CN207000571U - One kind limit turns round steering column - Google Patents
One kind limit turns round steering column Download PDFInfo
- Publication number
- CN207000571U CN207000571U CN201720842329.1U CN201720842329U CN207000571U CN 207000571 U CN207000571 U CN 207000571U CN 201720842329 U CN201720842329 U CN 201720842329U CN 207000571 U CN207000571 U CN 207000571U
- Authority
- CN
- China
- Prior art keywords
- tube
- ringfeder
- lock tube
- tubing string
- column
- 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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- Steering Controls (AREA)
Abstract
Limited the utility model discloses one kind and turn round steering column, including tube column, tubing string axle, lock tube and ringfeder, the tubing string axle is arranged in the tube column, the lock tube includes first paragraph and second segment, multiple locked grooves are equipped with the outer circumference surface of the first paragraph, the ringfeder is arranged and is fixed on the tubing string axle, and the second segment of the lock tube is fixed on by way of interference fit on the ringfeder.Compared with prior art, the utility model is by using the locked groove on lock tube and the structure of ringfeder dislocation arrangement, farthest radial dimension is saved, so that limit torsion tube post need not be developed again relative to the commonly non-torsion tube post that limits, cost can be developed and verified with general save of tube column of common non-limit torsion tube post.
Description
Technical field
Technical field of automobile parts is the utility model is related to, particularly a kind of limit turns round steering column.
Background technology
Steering column is the structure for connecting steering gear and steering wheel, and driver turn steering wheel is delivered to by steering column
Steering gear, finally realized and turned to by steering gear control tire, steering column of the prior art shown in Figure 1 blast signal
Figure, car steering tube column include tube column 1 ' and are arranged on the interior tubing string axle 2 ' of tube column 1 ', and tubing string axle 2 ', which is worn, is fixed on pipe
Cylinder 1 ' is interior, and the both ends of tubing string axle 2 ' pass tube column 1 ', and one end is connected with steering wheel, and the other end is connected with steering gear.Drive
Member's steering wheel rotation drives tubing string axle 2 ' to rotate, and tubing string axle 2 ' drives steering gear, and steering gear control tire realizes the steering of automobile.
In the prior art, limit turns round steering column and is additionally arranged limit torsion part relative to common steering column, and limit, which turns round part, includes lock tube
3 ' are above equipped with some locked grooves 5 ', are evenly equipped with raised line 6 ' on the outer circumference surface of the ringfeder 4 ', rise with ringfeder 4 ', the lock tube 3 '
Set 4 ' is arranged and is fixed on tubing string axle 2 ', and lock tube 3 ' is set on ringfeder 4 ', and raised line 6 ' can be resisted against on the inwall of lock tube 3 '
Make ringfeder 4 ' be interference fitted with lock tube 3 ' to fix.
In the state of ignition key extraction, pass through the frictional force lock tube between the inwall of raised line 6 ' and lock tube 3 '
3 ' are relatively fixed with tubing string axle 2 ', when the loading moment of tubing string axle 2 ' is no more than the maximal friction of raised line 6 ' and lock tube 3 ', make
Tubing string axle 2 ' will not relatively rotate with lock tube 3 ', can not realize steering, when the loading moment of tubing string axle 2 ' has exceeded raised line 6 ' and lock
The maximal friction of set 3 ', tubing string axle 2 ' relatively rotate with lock tube 3 ', ensure that turning round part to limit when loading moment is excessive will not make
Into destruction.Due to needing the torque of steering wheel rotation very big so that the steering of automobile is extremely difficult, realizes antitheft.
On the one hand due to lock tube 3 ' and the radial arrangement of ringfeder 4 ', while it is contact surface when ensuring dead bolt ejection with lock tube 3 '
Product and the reserved wall thickness due to cold-extrusion technology, the diameter of lock tube 3 ' need to do bigger, then cause limit to turn round steering tube
The external diameter of post increases relative to common steering column, needs to redesign tubing string when exploitation matching ESCL steering column
Body 1 ', while tube column 1 ' is also needed to using the scheme for becoming caliber, causes exploitation and cost of manufacture to rise, and is made precision and is difficult to protect
Card, while within a normal construction cycle, checking resource can also be wasted by developing different tube columns 1 '.
On the other hand because cold-extrusion technology needs high-precision extrusion die, the cost of its single lock tube 3 ' is higher, after
And cause the cost of steering column higher.
Utility model content
The purpose of this utility model is to provide a kind of limit and turns round steering column, and part size mistake is turned round to solve limit of the prior art
Lead to not the technical problem general with common tube column greatly.
The utility model provides a kind of limit and turns round steering column, including tube column, tubing string axle, lock tube and ringfeder, described
Tubing string axle is arranged in the tube column, and the lock tube includes first paragraph and second segment, ring on the outer circumference surface of the first paragraph
Provided with multiple locked grooves, the ringfeder is arranged and is fixed on the tubing string axle, and the second segment of the lock tube passes through interference fit
Mode is fixed on the ringfeder.
Limit as described above turns round steering column, these, it is preferred to, it is equipped with the outer circumference surface of the ringfeder multiple convex
Bar, the raised line are resisted against on the inwall of the lock tube.
Limit as described above turns round steering column, these, it is preferred to, the locked groove is provided with four, four locked groove edges
The lock tube is arranged circumferentially.
Limit as described above turns round steering column, these, it is preferred to, the locked groove is waist type groove.
Compared with prior art, the structure that the utility model is arranged by using the locked groove on lock tube and ringfeder dislocation, most
Big degree has saved radial dimension so that and limit torsion tube post need not develop tube column again relative to common non-limit torsion tube post,
Can be general with the tube column of common non-limit torsion tube post, save exploitation and checking cost.
Brief description of the drawings
Fig. 1 is steering column exploded perspective view of the prior art；
Fig. 2 is lock tube and ringfeder assembling schematic diagram of the prior art；
Fig. 3 is the B-B direction sectional view in Fig. 2；
Fig. 4 is C-C in Fig. 2 to sectional view
Fig. 5 is structural representation of the present utility model；
Fig. 6 is Fig. 5 A-A to sectional view；
Fig. 7 is the axonometric drawing under lock tube and ringfeder confined state of the present utility model；
Fig. 8 is the sectional view under lock tube and ringfeder confined state of the present utility model.
Description of reference numerals：
1- tube columns, 2- tubing string axles, 3- lock tubes, 4- ringfeders, 5- locked grooves, 6- raised lines, 7- through holes, 8- first paragraphs, 9- second
Section；
1 '-tube column, 2 '-tubing string axle, 3 '-lock tube, 4 '-ringfeder, 5 '-locked groove, 6 '-raised line.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
As shown in Fig. 5 to Fig. 8, embodiment of the present utility model provides a kind of limit and turns round steering column, including tube column 1,
Tubing string axle 2, lock tube 3 and ringfeder 4, the tubing string axle 2 are arranged in the tube column 1, and the both ends of tubing string axle 2 pass tubing string
Body 1, one end is connected with steering wheel, and the other end is connected with steering gear, and the wall of the tube column 1 is provided with through hole 7, for dead bolt
The disengaging of (not shown), the lock tube 3 include first paragraph 8 and second segment 9, are equipped with the outer circumference surface of the first paragraph multiple
Locked groove 5, the ringfeder 4 are arranged and are fixed on the tubing string axle 2, and the second segment 9 of the lock tube 3 is by way of interference fit
It is fixed on the ringfeder 4.
Above-described embodiment is farthest saved by using the locked groove 5 on lock tube 3 and the structure of the dislocation arrangement of ringfeder 4
Radial dimension so that limit, which turns round steering column and turns round steering column relative to common non-limit, need not develop tube column 1 again, can
It is general with the tube column 1 of common non-limit torsion tube post, save exploitation and checking cost.
As the optimal technical scheme of the present embodiment, multiple raised lines 6, raised line 6 are equipped with the outer circumference surface of the ringfeder 4
Along the axially extending of ringfeder 4 so that raised line 6 contacts uniformly with the inwall of lock tube 3, and the frictional force of application is uniform, the raised line 6 against
On the inwall of the lock tube 3 so that ringfeder 4 is fixed with the interference fit of lock tube 3.
In order to not need adjustment direction disk in parking of automobile, with regard to dead bolt can be made to be caught in locked groove 5, the locked groove 5 is provided with four
It is individual, along being arranged circumferentially for the lock tube 3.
The locked groove 5 is waist type groove, can directly be processed using the processing technology of punching press, technique can be greatly lowered
Difficulty and cost per unit.
Operation principle of the present utility model is：
When the key of ignition switch is inserted in fire switch, dead bolt retraction, do not act in the locked groove 5 of lock tube 3, tubing string
Axle 2 can freely rotate under the drive of steering wheel, realize and turn to；When driver extracts the key of ignition switch, dead bolt bullet
Go out to act in the locked groove 5 of lock tube, as someone, in the case where being not inserted into ignition key, steering wheel rotation is loaded into direction
When the torque of disk is not less than threshold value, under the effect of the frictional force of ringfeder 4 and lock tube 3, tubing string axle 2 can not rotate, and can not realize and turn
To when the torque of steering wheel rotation exceedes threshold value, ringfeder 4 relatively rotates with lock tube 3, prevents ringfeder 4 from being broken with lock tube 3
It is bad, due to needing the torque of steering wheel rotation very big so that the steering of automobile is extremely difficult, realizes antitheft.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (4)
1. one kind limit turns round steering column, including tube column (1), tubing string axle (2), lock tube (3) and ringfeder (4), the tubing string axle
(2) it is arranged in the tube column (1), it is characterised in that：The lock tube (3) includes first paragraph (8) and second segment (9), described
Multiple locked grooves (5) are equipped with the outer circumference surface of first paragraph, the ringfeder (4) is arranged and is fixed on the tubing string axle (2), institute
The second segment (9) for stating lock tube (3) is fixed on by way of interference fit on the ringfeder (4).
2. limit according to claim 1 turns round steering column, it is characterised in that：Ring is set on the outer circumference surface of the ringfeder (4)
There are multiple raised lines (6), the raised line (6) is resisted against on the inwall of the lock tube (3).
3. limit according to claim 1 turns round steering column, it is characterised in that：The locked groove (5) is provided with four, described in four
Locked groove (5) being arranged circumferentially along the lock tube (3).
4. limit as claimed in any of claims 1 to 3 turns round steering column, it is characterised in that：The locked groove (5) is waist
Type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842329.1U CN207000571U (en) | 2017-07-12 | 2017-07-12 | One kind limit turns round steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720842329.1U CN207000571U (en) | 2017-07-12 | 2017-07-12 | One kind limit turns round steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207000571U true CN207000571U (en) | 2018-02-13 |
Family
ID=61452811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720842329.1U Expired - Fee Related CN207000571U (en) | 2017-07-12 | 2017-07-12 | One kind limit turns round steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207000571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191728A (en) * | 2018-09-03 | 2019-01-11 | 北京鲜行者网络科技有限公司 | A kind of torsion egg machine and application method |
-
2017
- 2017-07-12 CN CN201720842329.1U patent/CN207000571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191728A (en) * | 2018-09-03 | 2019-01-11 | 北京鲜行者网络科技有限公司 | A kind of torsion egg machine and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20200712 |