CN204296849U - Steering axles - Google Patents
Steering axles Download PDFInfo
- Publication number
- CN204296849U CN204296849U CN201420818340.0U CN201420818340U CN204296849U CN 204296849 U CN204296849 U CN 204296849U CN 201420818340 U CN201420818340 U CN 201420818340U CN 204296849 U CN204296849 U CN 204296849U
- Authority
- CN
- China
- Prior art keywords
- splined shaft
- splined
- hypomere
- retainer
- steering
- Prior art date
- 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 - Fee Related
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Abstract
A kind of steering axles is provided, it has the telescopic performance of energy-absorbing, steering spindle two ends adopt universal joint to connect, rolling friction pair is adopted between the splined shaft of steering spindle and splined sleeve, splined shaft overcoat retainer and splined sleeve, angle offered by splined shaft is 120 degree of uniform vee-cuts of three, three-row steel bans group is set on retainer, the deep-slotted chip breaker matched with steel ball is laid with inside splined sleeve, the deep-slotted chip breaker of the V-shaped groove on hypomere splined shaft and splined sleeve is formed closes alley, the position rolling that retainer is different on V-shaped groove with the steel ball adhered on it; Splined shaft is divided into epimere splined shaft and hypomere splined shaft two parts, adopts rubber cushion to be connected by two parts; Adopt ball spline pair to reach and absorb the flexible impulsive force of steering spindle, adopt rubber cushion to reach and absorb the relevant part such as steering wheel, steering column impact energy such as generation plastic deformation, elastic deformation etc. when clashing into, it is injured to prevent or alleviate driver.
Description
Technical field
The utility model belongs to automobile steering system field, is specifically related to a kind of energy-absorbing telescopable steering spindle.
Background technology
Steering spindle is one of vitals of automobile steering system, is the jackshaft connecting steering column and steering gear.It not only plays the effect of connection and transmitting torque, simultaneously, also require its can effectively absorb car load in the process of jolting to lower shaft produce axis and radial impact power, avoid premature wear abnormal sound, to promote the comfortableness of driving in car load driving process, handling and security.When frontal crash of vehicles, steering wheel, steering column are the main elements making driver injured, and needing at present provides one can absorb energy when colliding, the steering spindle of protection driver safety.
Utility model content
The utility model provides a kind of steering axles; steering spindle two ends have employed universal joint and connect; and connection and reasonable arrangement; steering spindle can be analyzed to splined shaft and splined sleeve two parts, and adopts rolling friction pair between splined shaft and splined sleeve, has that frictional force is little, precision is high and the feature of long service life; splined shaft is divided into epimere splined shaft and hypomere splined shaft two parts simultaneously; rubber cushion is adopted to be connected by two parts, the Absorbable rod collision energy when colliding, protection driver safety.
The utility model product adopts ball spline pair to reach the stretching absorbance impulsive force of steering spindle, adopt rubber cushion to reach and absorb the relevant part such as steering wheel, steering column impact energy such as generation plastic deformation, elastic deformation etc. when clashing into, it is injured to prevent or alleviate driver.
The technical solution adopted in the utility model is:
A kind of steering axles, steering spindle comprises splined shaft, it is characterized in that, steering spindle two ends adopt universal joint to connect; Rolling friction pair is adopted between splined shaft and splined sleeve; Splined shaft is divided into epimere splined shaft and hypomere splined shaft two parts, adopts rubber cushion to be connected by two parts.
Further, adopt rolling friction pair to be specially between described splined shaft and splined sleeve: splined sleeve and splined shaft sheathed, be provided with steel ball between splined sleeve and splined shaft, splined shaft splined section is provided with vee-cut, correspondingly inside splined sleeve is provided with the deep-slotted chip breaker adapted to steel ball shape.
Further, the outer wall of described hypomere splined shaft is outwards arranged with retainer and splined sleeve successively, it is 120 degree of uniform vee-cuts of three that hypomere splined shaft splined section is provided with angle, three-row steel bans group is uniformly distributed and is set on retainer, the surface configuration of retainer and the interior shape of splined sleeve match, the deep-slotted chip breaker matched with steel ball is laid with inside splined sleeve, the deep-slotted chip breaker of the V-shaped groove on hypomere splined shaft and splined sleeve is formed closes alley, the position rolling that retainer is different on V-shaped groove with the steel ball adhered on it.
Further, often row is provided with 4 steel balls; V-shaped groove inner face is provided with jump ring, and axle head is provided with insurance back-up ring, and its diameter of insurance back-up ring is slightly less than the minimum diameter in splined sleeve Inner chamber.
Further, the ratio of hypomere splined shaft length and retainer is 1.5:1, and its inner is provided with cannelure, and jump ring is located in cannelure, is connected with axle head screw with screw, prevents retainer landing and fixed journey system.
Further, described rubber cushion is cylinder, and it is connected by bolt two parts by splined shaft.
Further, epimere splined shaft, hypomere splined shaft are connected and fixed respectively by 2 connecting bolts, 2 locking nuts and rubber cushion two ends, the end of epimere, hypomere splined shaft is provided with and axially vertical connecting plate, after this connecting plate is fitted with the end face of corresponding rubber cushion, bolt realizes fixing through two ends connecting plate and rubber cushion again by locking nut.
Further, epimere splined shaft, hypomere splined shaft diameter are 25mm, and 4 described bolts are M8 × 75mm size, and 4 locking nuts are M8mm size; Rubber cushion is diameter 55mm, the cylinder of height 60mm, and containing 4 through holes, diameter is 8.5mm, is distributed on the end face of rubber cushion with diameter 40mm reference circle; Screw in the screw of hypomere splined shaft end face with screw through insurance back-up ring intermediate throughholes, the dark 10mm of screw, ensure that retainer can not skid off splined shaft in active procedure.
Further, the first Hooke's joint initiatively fork is connected with steering column involute, and the first Hooke's joint is connected from moving fork with epimere splined shaft upper end involute spline; Splined sleeve and the second Hooke's joint are initiatively pitched and are welded, and the second Hooke's joint is connected from moving fork with the steering spindle hypomere involute spline steering assembly.
Further, described retainer materials'use nylon66 fiber; Rubber cushion adopts natural rubber to make and through vulcanizing treatment.
Structure in conjunction with steering spindle is described below advantage of the present utility model:
Described splined shaft only needs milling three place V-shaped groove, reduces manufacturing cost, improves assembly performance; V-shaped groove length on axle is longer than retainer effective length, along with the length of shaft extension contracting is different, the position rolling that retainer is also thereupon different on V-shaped groove with the steel ball adhered on it, avoids retainer and maintains static the steel ball unbalance stress brought, inconsistent problem of wearing and tearing.Splined sleeve and the second Hooke's joint are initiatively pitched and are welded, and the second Hooke's joint is connected from moving fork with the steering spindle hypomere involute spline steering assembly.
Described epimere splined shaft, hypomere splined shaft diameter are 25mm, are connected and fixed respectively by 2 connecting bolts, 2 locking nuts and energy-absorbing rubber cushion two ends.Described 4 bolts are M8 × 75mm, and 4 locking nuts are M8mm.
Energy-absorbing rubber cushion is made up of high-quality natural rubber, and energy-absorbing rubber cushion, through vulcanizing treatment, has enough mechanical strengths and suitable rigidity, ensures steering force transmission, has good elasticity and dynamic property simultaneously, ensure that energy-absorbing rubber cushion has good energy-absorbing effect.
Described hypomere splined shaft splined section is angle is 120 degree of uniform vee-cuts of three, and ensure steering spindle stressed being uniformly distributed in rotation process, the ratio of its length and retainer is 1.5:1, and its inner is provided with cannelure, and the inside of groove is provided with jump ring.V-shaped groove length on axle is longer than retainer effective length, effectively eliminates the steel ball unbalance stress brought because of foozle, and the two ends of groove are provided with the scope of activities of jump ring and insurance back-up ring restriction retainer.
12 deep-slotted chip breakers matched with steel ball are laid with inside described splined sleeve.Described retainer materials'use nylon66 fiber, often arranges 4 steel balls and be embedded in wherein, and the interior shape of its surface configuration and splined sleeve matches.Described common jump ring is C shape, and its external diameter, slightly larger than the diameter of splined shaft, is less than the minimum diameter in splined sleeve Inner chamber, and the moving range of restriction retainer, makes splined sleeve move freely.
Described insurance back-up ring is arranged at the end face of hypomere splined shaft, and its diameter is slightly less than the minimum diameter in splined sleeve Inner chamber.Screw in the screw of the end face of hypomere splined shaft with screw through insurance back-up ring intermediate throughholes, the dark 10mm of screw, ensure that retainer can not skid off splined shaft in active procedure.
Described sealing ring is arranged at splined sleeve termination, after splined shaft and splined sleeve install, is threaded with splined sleeve with sealing ring, prevents dust from invading in splined sleeve.
Therefore, the utility model has following characteristics:
1, during automobile normal running, pavement roughness causes the vibration of front tyre, passes to steering spindle, and steering spindle has two aspects to reduce vibration.One is that retainer steel ball has certain free travel, in free travel, steel ball can Free-rolling, make to form rolling friction between splined shaft and splined sleeve, reduce the frictional force between splined shaft and splined sleeve, make vibration can not be delivered to splined shaft by splined sleeve, thus absorption portion vibrational energy; Another is connected between epimere splined shaft with hypomere splined shaft to adopt rubber cushion, and rubber cushion can absorption portion vibrational energy, makes vibrational energy not be delivered to steering wheel, thus improve the comfortableness of driving.
2, during frontal crash of vehicles, the energy transferring of collision is to splined sleeve, splined sleeve is moved relative to splined shaft, the slip of the retainer on splined shaft can absorption portion Impact energy, rubber cushion in the middle of splined shaft also can produce axial crushing deformation and stable absorption portion Impact energy, after making steering wheel, the amount of moving reduces greatly, prevents from or reduce steering wheel directly acting on it driver, avoids causing personal injury.
3, during frontal crash of vehicles, driver rushes at steering wheel by effect of inertia, the kinergety of driver itself passes to steering wheel, splined shaft is moved relative to splined sleeve, these energy also can the effectively stable absorption by the axial crushing deformation of rubber cushion, the slip of retainer also can absorb the kinergety of driving driver, prevents or reduce the collision of human body, avoids causing personal injury.
4, the utility model is the telescopic steering axles of a kind of energy-absorbing, and its structure is simple, easily assembles, with low cost.Improve security and the comfortableness of driving.
Accompanying drawing explanation
Fig. 1 is spline shaft structure figure of the present utility model;
Fig. 2 is splined sleeve part-structure figure of the present utility model;
Fig. 3 is splined sleeve cross section structure figure of the present utility model;
Fig. 4 is retainer cross section structure figure of the present utility model;
Fig. 5 is hypomere splined shaft axle portion cross section structure figure of the present utility model;
Fig. 6 is splined shaft stereogram of the present utility model;
Fig. 7 is the A direction view of Fig. 6.
Detailed description of the invention
Understand for the ease of persons skilled in the art and realize the utility model, now describing embodiment of the present utility model by reference to the accompanying drawings.
Fig. 1,2 is splined shaft and splined sleeve structure chart, comprise the first Hooke's joint active fork (14) to be connected with steering column involute, first Hooke's joint is connected from moving fork (12) with epimere splined shaft (11) upper end involute spline, adopts energy-absorbing rubber cushion (9) to be connected by bolt (8,10) between upper and lower section of splined shaft (11,6), its outer retainer (4) and splined sleeve (18) is located at by hypomere splined shaft (6), splined sleeve (18) inner side is laid with 12 deep-slotted chip breakers matched with steel ball (as shown in Figure 3), the surface configuration of retainer (4) and the interior shape of splined sleeve (18) match, three-row steel bans group (3) is uniformly distributed and is set in retainer (4) upper (as shown in Figure 4), V-shaped groove (as shown in Figure 5) inner face on hypomere splined shaft (6) is provided with common jump ring (5), axle head is provided with insurance back-up ring (2), be connected with axle head screw with screw (1), splined sleeve (18) is initiatively pitched (17) with the second Hooke's joint and is welded, and the second Hooke's joint is connected from moving fork (15) with the steering spindle hypomere involute spline steering assembly.
Fig. 6 is splined shaft stereogram, comprises epimere splined shaft 11, hypomere splined shaft 6, and diameter is 25mm, with rubber cushion 9 joint face as shown in Figure 7, be connected and fixed by 4 connecting bolts, 8,4 locking nuts 10 and rubber cushion two ends.Wherein 4 bolts 8 are M8 × 75, and 4 locking nuts 10 are M8; Rubber cushion is diameter 55mm, the cylinder of height 60mm, and containing 4 through holes, diameter is 8.5mm, is distributed on the end face of energy-absorbing rubber cushion with diameter 40mm reference circle.Energy-absorbing rubber cushion is made up of high-quality natural rubber, and energy-absorbing rubber cushion, through vulcanizing treatment, has enough mechanical strengths and suitable rigidity, ensures steering force transmission, has good elasticity and dynamic property simultaneously, ensure that energy-absorbing rubber cushion has good energy-absorbing effect.
First Hooke's joint initiatively fork is connected with steering column involute, and the first Hooke's joint is connected from moving fork with epimere splined shaft upper end involute spline, adopts rubber cushion to be connected by bolt between upper and lower section of splined shaft; Its outer retainer and splined sleeve is located at by hypomere splined shaft, it is characterized in that three-row steel bans group is uniformly distributed is set on retainer, the closed alley of the deep-slotted chip breaker formation of the V-shaped groove on hypomere splined shaft and splined sleeve, V-shaped groove inner face on hypomere splined shaft is provided with common jump ring, and axle head is provided with insurance back-up ring, is connected with axle head screw with screw, prevent retainer landing and fixed journey system, the splined section of splined shaft only needs milling three place V-shaped groove, reduces manufacturing cost, improves assembly performance; V-shaped groove length on axle is longer than retainer effective length, along with the length of shaft extension contracting is different, the position rolling that retainer is also thereupon different on V-shaped groove with the steel ball adhered on it, avoids retainer and maintains static the steel ball unbalance stress brought, inconsistent problem of wearing and tearing.Splined sleeve and the second Hooke's joint are initiatively pitched and are welded, and the second Hooke's joint is connected from moving fork with the steering spindle hypomere involute spline steering assembly.
Described hypomere splined shaft splined section is angle is 120 degree of uniform vee-cuts of three, and ensure steering spindle stressed being uniformly distributed in rotation process, the ratio of its length and retainer is 1.5:1, and its inner is provided with cannelure, and the inside of groove is provided with jump ring.V-shaped groove length on axle is longer than retainer effective length, effectively eliminates the steel ball unbalance stress brought because of foozle, and the two ends of groove are provided with the scope of activities of jump ring and insurance back-up ring restriction retainer.
12 deep-slotted chip breakers matched with steel ball are laid with inside described splined sleeve.Described retainer materials'use nylon66 fiber, often arranges 4 steel balls and be embedded in wherein, and the interior shape of its surface configuration and splined sleeve matches.Described common jump ring is C shape, and its external diameter, slightly larger than the diameter of splined shaft, is less than the minimum diameter in splined sleeve Inner chamber, and the moving range of restriction retainer, makes splined sleeve move freely.
Described insurance back-up ring is arranged at the end face of hypomere splined shaft, and its diameter is slightly less than the minimum diameter in splined sleeve Inner chamber.Screw in the screw of the end face of hypomere splined shaft with screw through insurance back-up ring intermediate throughholes, the dark 10mm of screw, ensure that retainer can not skid off splined shaft in active procedure.
Described sealing ring is arranged at splined sleeve termination, after splined shaft and splined sleeve install, is threaded with splined sleeve with sealing ring, prevents dust from invading in splined sleeve.
A kind of energy-absorbing telescopable steering spindle of the utility model structure is simple, easily assembles, with low cost, improves security and the comfortableness of driving.
Finally should be noted that: above embodiment is only in order to illustrate that the technical scheme of this case is not intended to limit; Although be described in detail this case with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to the detailed description of the invention of this case or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of this case technical scheme, it all should be encompassed in the middle of the technical scheme scope of this case request protection.
Claims (10)
1. a steering axles, steering spindle comprises splined shaft, it is characterized in that,
Steering spindle two ends adopt universal joint to connect;
Rolling friction pair is adopted between splined shaft and splined sleeve;
Splined shaft is divided into epimere splined shaft and hypomere splined shaft two parts, adopts rubber cushion to be connected by two parts.
2. a kind of steering axles according to claim 1, it is characterized in that, adopt rolling friction pair to be specially between described splined shaft and splined sleeve: splined sleeve and splined shaft sheathed, steel ball is provided with between splined sleeve and splined shaft, splined shaft splined section is provided with vee-cut, correspondingly inside splined sleeve is provided with the deep-slotted chip breaker adapted to steel ball shape.
3. a kind of steering axles according to claim 2, it is characterized in that, the outer wall of described hypomere splined shaft is outwards arranged with retainer and splined sleeve successively, it is 120 degree of uniform vee-cuts of three that hypomere splined shaft splined section is provided with angle, three-row steel bans group is uniformly distributed and is set on retainer, the surface configuration of retainer and the interior shape of splined sleeve match, the deep-slotted chip breaker matched with steel ball is laid with inside splined sleeve, the deep-slotted chip breaker of the V-shaped groove on hypomere splined shaft and splined sleeve is formed closes alley, the position rolling that retainer is different on V-shaped groove with the steel ball adhered on it.
4. a kind of steering axles according to claim 3, is characterized in that, often row is provided with 4 steel balls; V-shaped groove inner face is provided with jump ring, and axle head is provided with insurance back-up ring, and its diameter of insurance back-up ring is slightly less than the minimum diameter in splined sleeve Inner chamber.
5. a kind of steering axles according to claim 4, is characterized in that, the ratio of hypomere splined shaft length and retainer is 1.5:1, its the inner is provided with cannelure, jump ring is located in cannelure, is connected with axle head screw with screw, prevents retainer landing and fixed journey system.
6., according to a kind of steering axles of claim 1 to 5 described in any one, it is characterized in that, described rubber cushion is cylinder, and it is connected by bolt two parts by splined shaft.
7. a kind of steering axles according to claim 6, it is characterized in that, epimere splined shaft, hypomere splined shaft are connected and fixed respectively by 2 connecting bolts, 2 locking nuts and rubber cushion two ends, the end of epimere, hypomere splined shaft is provided with and axially vertical connecting plate, after this connecting plate is fitted with the end face of corresponding rubber cushion, bolt realizes fixing through two ends connecting plate and rubber cushion again by locking nut.
8. a kind of steering axles according to claim 7, is characterized in that, epimere splined shaft, hypomere splined shaft diameter are 25mm, and 4 described bolts are M8 × 75mm size, and 4 locking nuts are M8mm size; Rubber cushion is diameter 55mm, the cylinder of height 60mm, and containing 4 through holes, diameter is 8.5mm, is distributed on the end face of rubber cushion with diameter 40mm reference circle; Screw in the screw of hypomere splined shaft end face with screw through insurance back-up ring intermediate throughholes, the dark 10mm of screw, ensure that retainer can not skid off splined shaft in active procedure.
9. a kind of steering axles according to claim 8, is characterized in that, the first Hooke's joint initiatively fork is connected with steering column involute, and the first Hooke's joint is connected from moving fork with epimere splined shaft upper end involute spline; Splined sleeve and the second Hooke's joint are initiatively pitched and are welded, and the second Hooke's joint is connected from moving fork with the steering spindle hypomere involute spline steering assembly.
10. a kind of steering axles according to claim 9, is characterized in that, described retainer materials'use nylon66 fiber; Rubber cushion adopts natural rubber to make and through vulcanizing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818340.0U CN204296849U (en) | 2014-12-19 | 2014-12-19 | Steering axles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818340.0U CN204296849U (en) | 2014-12-19 | 2014-12-19 | Steering axles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204296849U true CN204296849U (en) | 2015-04-29 |
Family
ID=53102416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420818340.0U Expired - Fee Related CN204296849U (en) | 2014-12-19 | 2014-12-19 | Steering axles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204296849U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945713A (en) * | 2017-05-05 | 2017-07-14 | 赵正芳 | A kind of automobile assisted power steering post |
| CN107327492A (en) * | 2017-08-13 | 2017-11-07 | 豫北凯斯特隆（新乡）汽车科技有限公司 | A kind of Novel steel ball motor turning jackshaft ball retainer |
| CN108180218A (en) * | 2017-12-28 | 2018-06-19 | 天津中嘉利达机械部件有限公司 | The high-precision slide device of spline shaft structure |
| CN108528211A (en) * | 2018-03-30 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of entirety gate-type rear driving axle |
| CN109991014A (en) * | 2017-12-29 | 2019-07-09 | 上汽通用五菱汽车股份有限公司 | A kind of automobile combined switch endurance test rack |
| CN110877634A (en) * | 2019-12-23 | 2020-03-13 | 天津市精一紧固件有限公司 | Steering shaft of motor vehicle |
-
2014
- 2014-12-19 CN CN201420818340.0U patent/CN204296849U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945713A (en) * | 2017-05-05 | 2017-07-14 | 赵正芳 | A kind of automobile assisted power steering post |
| CN107327492A (en) * | 2017-08-13 | 2017-11-07 | 豫北凯斯特隆（新乡）汽车科技有限公司 | A kind of Novel steel ball motor turning jackshaft ball retainer |
| CN108180218A (en) * | 2017-12-28 | 2018-06-19 | 天津中嘉利达机械部件有限公司 | The high-precision slide device of spline shaft structure |
| CN109991014A (en) * | 2017-12-29 | 2019-07-09 | 上汽通用五菱汽车股份有限公司 | A kind of automobile combined switch endurance test rack |
| CN108528211A (en) * | 2018-03-30 | 2018-09-14 | 广东知识城运营服务有限公司 | A kind of entirety gate-type rear driving axle |
| CN110877634A (en) * | 2019-12-23 | 2020-03-13 | 天津市精一紧固件有限公司 | Steering shaft of motor vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20181219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |