CN203996397U - A kind of steering column - Google Patents
A kind of steering column Download PDFInfo
- Publication number
- CN203996397U CN203996397U CN201420407149.7U CN201420407149U CN203996397U CN 203996397 U CN203996397 U CN 203996397U CN 201420407149 U CN201420407149 U CN 201420407149U CN 203996397 U CN203996397 U CN 203996397U
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- China
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- plastic pipe
- outer tube
- inner sleeve
- hole
- steering column
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Abstract
The utility model discloses a kind of steering column, comprise thimble assembly, Handleset, lower bracket and two bearings, described thimble assembly comprises outer tube from outside to inside successively, plastic pipe and inner sleeve, described outer tube and described inner sleeve are all made of metal, between the inner of described outer tube and described plastic pipe, it is interference fit, described Handleset is clamped on the outer wall of described outer tube, between the inner of described plastic pipe and described inner sleeve by ultrasonic welding, can relative sliding between described plastic pipe and described inner sleeve after welding, on described outer tube, the region of corresponding described plastic pipe offers through hole, on described plastic pipe, the position of corresponding described through hole forms welding region, described welding region is positioned at the two ends of the first half of described plastic pipe, the wall thickness of described welding region is less than the wall thickness of described other parts of plastic pipe.Steering column of the present utility model is easily controlled and is regulated, and the distortion of welding region is more even, is not easy to have influence on other parts.
Description
Technical field
The utility model relates to automobile steering control system, relates in particular to a kind of steering column.
Background technology
Steering column generally includes thimble assembly and Handleset, and thimble assembly comprises the first sleeve pipe, plastic pipe and the second sleeve pipe, and plastic pipe sleeve is located between the first sleeve pipe and the second sleeve pipe.Handleset has regulating handle, in order to regulate the length of steering column.When regulating handle unclamps, the second sleeve pipe can slide along the first sleeve pipe, and then regulates the distance between the first sleeve pipe and the second sleeve pipe, thereby plays the effect that regulates steering column length.When regulating handle clamps, the distance locking between the first sleeve pipe and the second sleeve pipe, keeps fixing length.
In existing steering column, between the first sleeve pipe, plastic pipe and the second sleeve pipe, be interference fit.Between the first sleeve pipe and plastic pipe, between plastic pipe and the second sleeve pipe, all need to consider the problem of tolerance fit, need to guarantee four tolerances.Four more difficult assurances simultaneously of tolerance, and if when one of them can not accurately be set, the cooperation of thimble assembly will go wrong.If tension, needs larger power, more difficult adjustment during adjusting.If cross pine, thimble assembly is not easy to clamp, easily loosening.
Therefore, be necessary to design a kind of steering column of tolerance fit of easy control thimble assembly.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of steering column of tolerance fit of easy control thimble assembly is provided.
The technical solution of the utility model provides a kind of steering column, comprise thimble assembly, Handleset, lower bracket and two bearings, described thimble assembly comprises outer tube from outside to inside successively, plastic pipe and inner sleeve, the outer end of described outer tube and described inner sleeve be all provided with one described in bearing, the outer end of described inner sleeve is also provided with described lower bracket, on described lower bracket, offer mounting hole, described outer tube and described inner sleeve are all made of metal, between the inner of described outer tube and described plastic pipe, it is interference fit, described Handleset is clamped on the outer wall of described outer tube, between the inner of described plastic pipe and described inner sleeve by ultrasonic welding, can relative sliding between described plastic pipe and described inner sleeve after welding, on described outer tube, the region of corresponding described plastic pipe offers through hole, described through hole is used for inserting ultrasonic bonding tool, described through hole is provided with two groups, described in every group, through hole is positioned at the position at the two ends of corresponding described plastic pipe on described outer tube, described in every group, through hole has at least two,
On described plastic pipe, the position of corresponding described through hole forms welding region, and described welding region is positioned at the two ends of the first half of described plastic pipe, and the wall thickness of described welding region is less than the wall thickness of described other parts of plastic pipe.
Preferably, in the latter half of described plastic pipe, vertically on the position of corresponding described through hole, form protuberance, described protuberance and described inner sleeve free-running fit.
Preferably, the latter half of described plastic pipe offers notch, and described notch is slit into four by described convex portion.
Preferably, described welding region accounts for 1/4 of described plastic pipe circumference.
Preferably, the width of described welding region is 10-20mm.
Preferably, described plastic pipe is positioned at the overlapping region of described outer tube and described inner sleeve.
Preferably, described plastic pipe is made by POM material.
Preferably, described in every group, through hole has three.
Adopt after technique scheme, there is following beneficial effect: due between inner sleeve and plastic pipe by ultrasonic welding, after welding, inner sleeve and plastic pipe closely cooperate, and only need to consider the tolerance fit between plastic pipe and outer tube during assembling, make steering column easily control and regulate.In addition, because the wall thickness of welding region is thinner, during welding the distortion of welding region more even, be not easy to have influence on other parts.
Accompanying drawing explanation
Fig. 1 is the block diagram of steering column in the utility model one embodiment;
Fig. 2 is the exploded view of steering column in the utility model one embodiment;
Fig. 3 is the exploded drawings of steering column middle sleeve assembly in the utility model one embodiment;
Fig. 4 is the cutaway view of steering column in the utility model one embodiment;
Fig. 5 is the part sectional view of steering column in the utility model one embodiment;
Fig. 6 is the block diagram of the plastic pipe of steering column in the utility model one embodiment;
Fig. 7 is the lateral plan of the plastic pipe of steering column in the utility model one embodiment;
Fig. 8 is the section drawing at A-A place in Fig. 7.
Reference numeral synopsis:
1-thimble assembly 2-Handleset 3-ultrasonic bonding tool
4-lower bracket 11-outer tube 12-plastic pipe
13-inner sleeve 41-mounting hole 111-through hole
121-welding region 122-protuberance 123-notch
The specific embodiment
Below in conjunction with accompanying drawing, further illustrate the specific embodiment of the present utility model.
As shown in Figure 1-2, steering column comprises thimble assembly 1, Handleset 2, lower bracket 4 and two bearings 5, thimble assembly 1 comprises outer tube 11 from outside to inside successively, plastic pipe 12 and inner sleeve 13, the outer end of outer tube 11 and inner sleeve 13 is all provided with a bearing 5, the outer end of inner sleeve 13 is also provided with lower bracket 4, on lower bracket 4, offer mounting hole 41, outer tube 11 and inner sleeve 13 are all made of metal, between the inner of outer tube 11 and plastic pipe 12, it is interference fit, Handleset 2 is clamped on the outer wall of outer tube 11, between the inner of plastic pipe 12 and inner sleeve 13 by ultrasonic welding, can relative sliding between plastic pipe 12 and inner sleeve 13 after welding, on outer tube 11, the region of corresponding plastic pipe 12 offers through hole 111, through hole 111 is for inserting ultrasonic bonding tool 3, through hole 111 is provided with two groups, every group of through hole 111 is positioned at the position at the two ends of corresponding plastic pipe 12 on outer tube 11, every group of through hole 111 has two, on plastic pipe 12, the position of corresponding through hole 111 forms welding region 121, welding region 121 is positioned at the two ends of the first half of plastic pipe 12, the wall thickness of welding region 121 is less than the wall thickness of plastic pipe 12 other parts.
During mounting sleeve assembly 11, first plastic pipe 12 being inserted in the inner (being the left-hand end of outer tube 11) of outer tube 11, is interference fit between outer tube 11 and plastic pipe 12.In the present embodiment, plastic pipe 12 is inserted in the inwall of outer tube 11 completely.As shown in Fig. 4-5, the left side edge of plastic pipe 12 is concordant with the left side edge of outer tube 11.
Then, inner sleeve 13 being inserted in plastic pipe 12, is now free-running fit between inner sleeve 13 and plastic pipe 12.In the present embodiment, as shown in Figure 4, the inner of inner sleeve 13 (being the right-hand end of inner sleeve 13) is inserted in plastic pipe 12, and the right side edge of inner sleeve 13 has been crossed the right side edge of plastic pipe 12, has been inserted in outer tube 11.Like this, plastic pipe 12, between outer tube 11 and inner sleeve 13, and is positioned at the region that outer tube 11 overlaps with inner sleeve 13.
Finally, utilize ultrasonic welding that plastic pipe 12 and inner sleeve 13 are welded.The weld nugget place of plastic pipe 12 is melted in ultrasonic welding, the filling plastic inner sleeve 13 after thawing and the gap between plastic pipe 12, and therefore after welding, plastic pipe 12 closely cooperates with inner sleeve 13, and can relative sliding.When the regulating handle of release handle assembly 2, relative sliding between plastic pipe 12 and inner sleeve 13, carry out the length of adjusting sleeve pipe assembly 1, now plastic pipe 12 is relative static with outer tube 11, and outer tube 11 slides with respect to inner sleeve 13 together with plastic pipe 12.Due to after plastic pipe 12 is inserted in outer tube 11, can there is slight compressive deformation.Inner sleeve 13 is inserted in plastic pipe 12 again, and the gap between inner sleeve 13 and plastic pipe 12 is less, and after ultrasonic welding, the thickness of the plastic filler after thawing can guarantee closely cooperating between plastic pipe 12 and inner sleeve 12, again can relative sliding.If plastic pipe 12 is before inserting outer tube 11, with inner sleeve 13 welding.Also there is not slight compressive deformation in plastic pipe 12, the gap between plastic pipe 12 and inner sleeve 13 is larger, and the thickness of the plastic filler after welding is also thicker.After this, when plastic pipe 12 is inserted into outer tube 11 again, plastic pipe 12 and outer tube 11 interference fit, it may be interference fit that thicker plastic filler makes between plastic pipe 12 and inner sleeve 13, causing can not relative sliding between plastic pipe 12 and inner sleeve 13.
The length of thimble assembly 1 described here is with respect to thimble assembly 1 is installed to the orientation after vehicle body.Steering column integral body is fixedly installed on vehicle beam, and its one end is connected with bearing circle, and the other end is connected with steering box, and steering column is delivered to steering box by the rotation of bearing circle, and then control motor tire turns to.Therefore, steering column is installed to after vehicle beam, and the 30 degree levels that are roughly positioned at are inclined upwardly in direction, in the accompanying drawing that the utility model provides, deflector control apparatus is all laterally to place, and thimble assembly 1 regulates along the horizontal direction in figure, and what in fact regulate is the length of thimble assembly 1.
Because plastic pipe 12 and inner sleeve 13 are fixed together by ultrasonic welding, only having between plastic pipe 12 and outer tube 11 is interference fit.Therefore, only need to design the tolerance fit between the outer wall of plastic pipe 12 and the inwall of outer tube 11.Namely only need to consider the tolerance of two sizes.Compare with the tolerance that need to consider four sizes in background technology, the utility model is more easy to control, and stability is higher, is not easy to occur the situation of pine or tension.
Ultrasonic welding is, by ultrasonic generator, 50/60 hertz of current conversion is become to 15,20,30 or 40KHz electric energy.The high-frequency electrical energy being converted is converted into equifrequent mechanical movement again by transducer, and mechanical movement is subsequently delivered to soldering tip by a set of amplitude rod devices that can change amplitude.Soldering tip is delivered to the vibrational energy receiving at the junction surface of workpiece to be welded, and in this region, vibrational energy is passed friction mode energy transform into heat energy, by plastic molting.Super sonic not only can be used to weld hard thermoplastic plastic, can also process fabric and film.In the present embodiment, as in Figure 3-5, on outer tube 11, the region of corresponding plastic pipe 12 offers through hole 111, and through hole 111 is for inserting ultrasonic bonding tool 3.Ultrasonic bonding tool 3 inserts from the outside of outer tube 11, contacts with the outer wall of plastic pipe 12.Because Ultrasonic Plastic Welding needs ultrasonic bonding tool 3, directly contact with Plastic Parts, so in the present embodiment, need to be provided for inserting the through hole 111 of ultrasonic bonding tool 3.The corresponding weld nugget of each through hole 111, as shown in Fig. 5-6, in figure, 121 represent welding region.
In addition, due to the correspondence of welding region 121 and the position of through hole 111, and the wall thickness of welding region 121 is less than the wall thickness of plastic pipe 12 other parts.When ultrasonic bonding tool 3 is inserted into while welding in through hole 111, welding region 121 starts to melt distortion, and the welding region 121 after distortion has been filled the gap between itself and inner sleeve 13, and formation closely cooperates.Because the wall thickness of welding region 121 is thinner, welding region 121, when distortion, is not easy to have influence on its region around, can not cause plastic pipe 12 around to deform, and makes distortion more even, controlled.
In the present embodiment, as shown in Fig. 6-8, in the latter half of plastic pipe 12, vertically on the position of corresponding through hole 111, form protuberance 122, protuberance 122 and inner sleeve 13 free-running fits.The wall thickness of protuberance 122 is greater than the wall thickness of other parts around.Protuberance 122 is corresponding with through hole 111 and welding region 121, and protuberance 122, as before welding, with the pre-installation structure of inner sleeve 13, contacts location with inner sleeve 13.
Preferably, as shown in Figure 6 and Figure 8, the latter half of plastic pipe 12 offers notch 123, and notch 123 is divided into four by protuberance 122.If there is no notch 123, protuberance 122 is two strip shapes, and contacting between the protuberance 122 of strip shape and inner sleeve 13 is line contact, the more difficult control of actual contact point and area of contact.And protuberance 122 is divided into after four, between protuberance 122 and inner sleeve 13 for some contact, more easily control, more stable.
Preferably, welding region 121 accounts for 1/4 of plastic pipe 12 circumference.
Preferably, the width of welding region 121 is 10-20mm.The direction of width described here is along the direction of the axis of plastic pipe 12.
Preferably, for the Joint strenght of reinforced plastics pipe 12 with inner sleeve 13, every group of through hole 111 can have more than three; In addition, one group of through hole 111 can also be set at the middle part of corresponding plastic pipe 12.
Preferably, plastic pipe 12 is made by POM material.Polyformaldehyde formal name used at school: polyoxygenated polyformaldehyde (being called for short POM), claims again match steel, special steel.It is that to take formaldehyde etc. be polymerizable raw material gained.POM-H (POM-H Acetal homopolymer), POM-C (polyacetal copolymer) is the thermoplastic engineering plastic of high density, high-crystallinity.There is good physics, machinery and chemical nature, especially have excellent crocking resistance.Polyformaldehyde is a kind of unprotected side chain high density crystalline polymer, has excellent Combination property.Polyformaldehyde is a kind of smooth surface, and glossiness hard and fine and close material is yellowish or white, can in-40-100 ℃ range of temperatures, use for a long time.Its resistance to abrasion and self lubricity are also superior than most engineering plastics, have again good oil resistant, resistance to peroxide performance.The present embodiment is used POM material, is mainly resistance to abrasion and the self-lubricating property that has utilized POM material, after plastic pipe 12 closely cooperates with inner sleeve 13, is conducive to the length adjustment of thimble assembly 1, is conducive to reduce length adjustment power.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that for the person of ordinary skill of the art, on the basis of the utility model principle, can also make some other modification, also should be considered as protection domain of the present utility model.
Claims (8)
1. a steering column, comprise thimble assembly, Handleset, lower bracket and two bearings, described thimble assembly comprises outer tube from outside to inside successively, plastic pipe and inner sleeve, the outer end of described outer tube and described inner sleeve be all provided with one described in bearing, the outer end of described inner sleeve is also provided with described lower bracket, on described lower bracket, offer mounting hole, described outer tube and described inner sleeve are all made of metal, between the inner of described outer tube and described plastic pipe, it is interference fit, described Handleset is clamped on the outer wall of described outer tube, between the inner of described plastic pipe and described inner sleeve by ultrasonic welding, can relative sliding between described plastic pipe and described inner sleeve after welding, on described outer tube, the region of corresponding described plastic pipe offers through hole, described through hole is used for inserting ultrasonic bonding tool, described through hole is provided with two groups, described in every group, through hole is positioned at the position at the two ends of corresponding described plastic pipe on described outer tube, described in every group, through hole has at least two, it is characterized in that,
On described plastic pipe, the position of corresponding described through hole forms welding region, and described welding region is positioned at the two ends of the first half of described plastic pipe, and the wall thickness of described welding region is less than the wall thickness of described other parts of plastic pipe.
2. steering column according to claim 1, is characterized in that, in the latter half of described plastic pipe, vertically on the position of corresponding described through hole, forms protuberance, described protuberance and described inner sleeve free-running fit.
3. steering column according to claim 2, is characterized in that, the latter half of described plastic pipe offers notch, and described notch is slit into four by described convex portion.
4. steering column according to claim 1, is characterized in that, described welding region accounts for 1/4 of described plastic pipe circumference.
5. steering column according to claim 1, is characterized in that, the width of described welding region is 10-20mm.
6. steering column according to claim 1, is characterized in that, described plastic pipe is positioned at the overlapping region of described outer tube and described inner sleeve.
7. steering column according to claim 1, is characterized in that, described plastic pipe is made by POM material.
8. steering column according to claim 1, is characterized in that, described in every group, through hole has three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407149.7U CN203996397U (en) | 2014-07-22 | 2014-07-22 | A kind of steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420407149.7U CN203996397U (en) | 2014-07-22 | 2014-07-22 | A kind of steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203996397U true CN203996397U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420407149.7U Active CN203996397U (en) | 2014-07-22 | 2014-07-22 | A kind of steering column |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060745A (en) * | 2017-04-20 | 2017-08-18 | 中国石油大学(北京) | Simulate the experimental provision of compact reservoir horizontal cementing defect inducing casing deformation |
| WO2018029289A1 (en) * | 2016-08-11 | 2018-02-15 | Thyssenkrupp Presta Ag | Steering shaft for a motor vehicle |
| CN108556902A (en) * | 2017-12-18 | 2018-09-21 | 蒂森克虏伯富奥汽车转向柱(长春)有限公司 | Steering column |
| WO2019068545A1 (en) * | 2017-10-05 | 2019-04-11 | Thyssenkrupp Presta Ag | Method for producing units with axially movable components |
| CN111201178A (en) * | 2017-10-12 | 2020-05-26 | 蒂森克虏伯普利斯坦股份公司 | Method for producing a unit with an axially movable part |
| CN111263718A (en) * | 2017-10-12 | 2020-06-09 | 蒂森克虏伯普利斯坦股份公司 | Method for producing an assembly of an axially displaceable shaft part with a steering shaft |
| WO2021057747A1 (en) * | 2019-09-23 | 2021-04-01 | 恒大新能源汽车投资控股集团有限公司 | Steering column connecting device and vehicle |
-
2014
- 2014-07-22 CN CN201420407149.7U patent/CN203996397U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018029289A1 (en) * | 2016-08-11 | 2018-02-15 | Thyssenkrupp Presta Ag | Steering shaft for a motor vehicle |
| CN109642603A (en) * | 2016-08-11 | 2019-04-16 | 蒂森克虏伯普利斯坦股份公司 | Steering shaft for motor vehicles |
| US11148706B2 (en) | 2016-08-11 | 2021-10-19 | Thyssenkrupp Presta Ag | Steering shaft for a motor vehicle |
| CN107060745A (en) * | 2017-04-20 | 2017-08-18 | 中国石油大学(北京) | Simulate the experimental provision of compact reservoir horizontal cementing defect inducing casing deformation |
| WO2019068545A1 (en) * | 2017-10-05 | 2019-04-11 | Thyssenkrupp Presta Ag | Method for producing units with axially movable components |
| US11813801B2 (en) | 2017-10-05 | 2023-11-14 | Thyssenkrupp Presta Ag | Method for producing units with axially movable components |
| CN111201178A (en) * | 2017-10-12 | 2020-05-26 | 蒂森克虏伯普利斯坦股份公司 | Method for producing a unit with an axially movable part |
| CN111263718A (en) * | 2017-10-12 | 2020-06-09 | 蒂森克虏伯普利斯坦股份公司 | Method for producing an assembly of an axially displaceable shaft part with a steering shaft |
| US11072128B2 (en) | 2017-10-12 | 2021-07-27 | thyssenkrnpp Presta AG | Method for producing units with axially movable components |
| CN111201178B (en) * | 2017-10-12 | 2023-06-23 | 蒂森克虏伯普利斯坦股份公司 | Method for producing a unit with an axially movable part |
| CN108556902A (en) * | 2017-12-18 | 2018-09-21 | 蒂森克虏伯富奥汽车转向柱(长春)有限公司 | Steering column |
| WO2021057747A1 (en) * | 2019-09-23 | 2021-04-01 | 恒大新能源汽车投资控股集团有限公司 | Steering column connecting device and vehicle |
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