CN208665292U - A kind of steering column input shaft - Google Patents
A kind of steering column input shaft Download PDFInfo
- Publication number
- CN208665292U CN208665292U CN201821289224.9U CN201821289224U CN208665292U CN 208665292 U CN208665292 U CN 208665292U CN 201821289224 U CN201821289224 U CN 201821289224U CN 208665292 U CN208665292 U CN 208665292U
- Authority
- CN
- China
- Prior art keywords
- input shaft
- steering column
- moulding
- fixedly installed
- connecting sleeve
- 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
The utility model relates to automobile steering system technical fields, and disclose a kind of steering column input shaft, including steering column tube, the left end movable sleeve of the steering column tube is connected to left input shaft, the right end of the left input shaft extends to the inside of steering column tube and movable sleeve is connected to connecting sleeve, the external fixing sleeve of the left input shaft is connected to the fixed block inside steering column tube, and the outside of the left input shaft is fixedly installed with the first external splines on the right side of fixed block.The steering column input shaft, pass through the frictional force between the second external splines and internal spline, it further reduced the energy of impact force, by fixed plate, an impetus is provided for buffer spring, buffer spring is enabled to provide an active force for buffer board, slow down the speed that right input shaft is moved to the left, the energy for reducing impact force again increases the energy-absorbing effect of the steering column input shaft, improves the practicability of the steering column input shaft.
Description
Technical field
The utility model relates to automobile steering system technical field, specially a kind of steering column input shaft.
Background technique
The steering column of automobile is for connection to the steering mechanism of steering wheel and diverter, mainly by steering tube and input shaft
Composition, when safety accident occurs, the head of driver and chest can generate impact to steering wheel, and impact force is passed by steering wheel
Steering column is passed, in order to reduce the impact force between the head of driver and chest and steering wheel, car steering tube column is most
Using crumple endergonic structure, when impact force reaches steering column maximum crumple power, steering column can along axis crumple,
To achieve the purpose that protect driver.
Existing steering column input shaft is movably sleeved together with steering tube by internal spline and external splines, and passes through note
Steering column input shaft is fixed together by plastic with steering tube, when an accident occurs, relies solely on internal spline and outer flower
Frictional force between key and moulding absorb the energy of impact force, and energy-absorbing effect is poor, thus need to design a kind of energy-absorbing effect it is good
Steering column input shaft.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of steering column input shaft, and it is good to have energy-absorbing effect
The advantages of, it solves existing steering column input shaft and is movably sleeved together with steering tube by internal spline and external splines, and
Steering column input shaft is fixed together with steering tube by moulding, when an accident occurs, relies solely on internal spline
Frictional force and moulding between external splines absorb the energy of impact force, the problem of energy-absorbing effect difference.
The utility model provides the following technical solutions: a kind of steering column input shaft, including steering column tube, the steering column
The left end movable sleeve of pipe is connected to left input shaft, and the right end of the left input shaft extends to the inside of steering column tube and movable sleeve is connected to
Connecting sleeve, the external fixing sleeve of the left input shaft are connected to the fixed block inside steering column tube, the left input shaft
Outside is fixedly installed with the first external splines on the right side of fixed block, and the right end movable sleeve of the steering column tube is connected to right input
Axis, the left end of the right input shaft extend to the inside of steering column tube and the right end pivot bush unit with connecting sleeve, and the right side is defeated
The external fixing sleeve for entering axis is connected to limited block inside steering column tube, and the outside of the right input shaft, which is fixedly installed with, to be located at
The second external splines on the left of limited block, the left end of the connecting sleeve are fixedly installed with limit plate, the outside of the left input shaft
Movable sleeve is connected to energy-absorbing spring, the both ends of the energy-absorbing spring left side with the left side of steering column tube inner cavity and limit plate respectively
Face is fixedly connected, and the right end of the connecting sleeve is fixedly installed with positioning plate, and the inner surface of the connecting sleeve offers interior flower
Key, the inner wall of the connecting sleeve are fixedly installed with fixed plate, and the fixed plate is sequentially connected with buffer board by buffer spring,
The upper and lower ends of the buffer board are fixedly installed with limiting tooth compatible with internal spline, connecting sleeve inner cavity top surface
Left end is fixedly installed with the first moulding, and left input shaft and the bottom with connecting sleeve inner cavity are run through in the bottom end of first moulding
Face is fixedly connected, and the right end of connecting sleeve inner cavity top surface is fixedly installed with the second moulding, the bottom of second moulding
End is fixedly connected through right input shaft and with the bottom surface of connecting sleeve inner cavity.
Preferably, the right end of the left input shaft runs through limit plate, and the right side of limit plate offers and left input shaft
Movable span compatible with the first external splines.
Preferably, positioning plate is run through in the left end of the right input shaft, and the right side of positioning plate offers and spends outside with second
Key and the compatible displacement aperture of right input shaft.
Preferably, the upper and lower surface of the steering column tube inner cavity is fixedly installed with bar shaped track, the limit plate and fixed
The upper and lower ends of position plate offer the concave groove matched similar to bar shaped track, and the concave groove and the activity of bar shaped track are clamped.
Preferably, the internal spline is adapted with the first external splines and the second external splines, and flower outside fixed block and first
Key and the second external splines are closely connected in a clamped manner.
Preferably, the quantity of first moulding and the second moulding is two, and the diameter value of the first moulding
Greater than the diameter value of the second moulding.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, steering column input shaft, by the second moulding, so that right input shaft is under the influence of the impact force by second
Moulding cutting, tentatively reduces the energy of impact force, by the frictional force between the second external splines and internal spline, further drops
The low energy of impact force provides an impetus by fixed plate for buffer spring, enables buffer spring for buffering
Plate provides an active force, slows down the speed that right input shaft is moved to the left, reduces the energy of impact force again, increase
The energy-absorbing effect of the steering column input shaft improves the practicability of the steering column input shaft.
2, steering column input shaft, by the first moulding, so that connecting sleeve is under the influence of the impact force to moving to left
It is dynamic and the shearing of the first moulding is disconnected, the impact force energy being subject to tentatively is reduced, by between the first external splines and internal spline
Frictional force, further reduced the impact force energy being subject to, by energy-absorbing spring, provide an active force for limit plate,
Enable limit plate to slow down the speed that connecting sleeve is moved to the left, reduces the impact force energy being subject to again, increase
The energy-absorbing effect of the steering column input shaft improves the practicability of the steering column input shaft.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the longitudinally cutting face schematic diagram in Fig. 1 at the second moulding.
In figure: 1, steering column tube；2, left input shaft；3, fixed block；4, the first external splines；5, connecting sleeve；6, right input
Axis；7, limited block；8, the second external splines；9, limit plate；10, energy-absorbing spring；11, bar shaped track；12, positioning plate；13, interior flower
Key；14, fixed plate；15, buffer spring；16, buffer board；17, limiting tooth；18, the first moulding；19, the second moulding.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of steering column input shaft, including steering column tube 1, the upper and lower surface of 1 inner cavity of steering column tube
It is fixedly installed with bar shaped track 11, the upper and lower ends of limit plate 9 and positioning plate 12 offer match similar to bar shaped track 11
Concave groove, concave groove and the activity of bar shaped track 11 are clamped, using the cooperation of bar shaped track 11 and concave groove, so that connecting sleeve
5 can smoothly move left and right, and improve the practicability of the steering column input shaft, and the left end movable sleeve of steering column tube 1 is connected to
The right end of left input shaft 2, left input shaft 2 runs through limit plate 9, and the right side of limit plate 9 offers and left input shaft 2 and first
The compatible movable span of external splines 4 enables connecting sleeve 5 to move to right in the external left of left input shaft 2 using movable span
It is dynamic, so that the first moulding 18 can be sheared disconnected, while making the first external splines 4 is opposite with internal spline 13 to slide, have
Effect reduces the energy of impact force, improves the practicability of the steering column input shaft, the right end of left input shaft 2 extends to steering
Simultaneously movable sleeve is connected to connecting sleeve 5 for the inside of column tube 1, and the external fixing sleeve of left input shaft 2 is connected to inside steering column tube 1
Fixed block 3, the outside of left input shaft 2 are fixedly installed with the first external splines 4 positioned at 3 right side of fixed block, the right end of steering column tube 1
Movable sleeve is connected to right input shaft 6, and positioning plate 12 is run through in the left end of right input shaft 6, and the right side of positioning plate 12 offers and the
Two external splines 8 and the compatible displacement aperture of right input shaft 6 enable connecting sleeve 5 in right input shaft 6 using displacement aperture
Outside move left and right so that the second moulding 19 can be sheared disconnected, while making the second external splines 8 and internal spline 13
Opposite sliding, effectively reduces the energy of impact force, improves the practicability of the steering column input shaft, a left side for right input shaft 6
End extends to the inside of steering column tube 1 and the right end pivot bush unit with connecting sleeve 5, the external fixing sleeve of right input shaft 6 are connected to
Limited block 7 inside steering column tube 1, the outside of right input shaft 6 are fixedly installed with the flower outside the second of 7 left side of limited block
Key 8, the left end of connecting sleeve 5 are fixedly installed with limit plate 9, and the external activity of left input shaft 2 is socketed with energy-absorbing spring 10, energy-absorbing
The both ends of spring 10 are fixedly connected with the left side of the left side of 1 inner cavity of steering column tube and limit plate 9 respectively, connecting sleeve 5
Right end is fixedly installed with positioning plate 12, and the inner surface of connecting sleeve 5 offers internal spline 13, internal spline 13 and the first external splines 4
It is adapted with the second external splines 8, and fixed block 3 is closely connected in a clamped manner with the first external splines 4 and the second external splines 8, benefit
With the cooperation between internal spline 13 and the first external splines 4, the resistance that connecting sleeve 5 is moved to the left is increased, and utilizes internal spline
13 and the second cooperation between external splines 8, the resistance that right input shaft 6 is moved to the left is increased, to reduce the energy of impact force
Amount, improves the practicability of the steering column input shaft, the inner wall of connecting sleeve 5 is fixedly installed with fixed plate 14, fixed plate 14
It is sequentially connected with buffer board 16 by buffer spring 15, the upper and lower ends of buffer board 16 are fixedly installed with suitable with 13 phase of internal spline
The limiting tooth 17 matched, the left end of 5 inner cavity top surface of connecting sleeve are fixedly installed with the first moulding 18, the bottom end of the first moulding 18
It is fixedly connected through left input shaft 2 and with the bottom surface of 5 inner cavity of connecting sleeve, the right end of 5 inner cavity top surface of connecting sleeve is fixedly mounted
There is the second moulding 19, company is fixed through right input shaft 6 and with the bottom surface of 5 inner cavity of connecting sleeve in the bottom end of the second moulding 19
It connects, the quantity of the first moulding 18 and the second moulding 19 is two, and the diameter value of the first moulding 18 is greater than the second note
The diameter value of plastic 19 tentatively reduces the energy of impact force using the second moulding 19, and utilizes the first moulding 18, into
One step reduces the energy of impact force, increases the energy-absorbing effect of the steering column input shaft, improves steering column input
The practicability of axis.
When work, input shaft 6 right first is moved to the left under the influence of the impact force, and then the second moulding 19 is cut off,
Then right input shaft 6 pushes buffer board 16 to be moved to the left, and declines low and slow punching 16 to the left in the active force of buffer spring 15 later
Mobile speed, then buffer board 16 pushes connecting sleeve 5 to be moved to the left by buffer spring 15 and fixed plate 14, and then first
Moulding 18 is cut off, and is reduced the speed that connecting sleeve 5 is moved to the left under the active force of energy-absorbing spring 10 later, is then impacted
The energy of power is significantly weakened.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of steering column input shaft, including steering column tube (1), it is characterised in that: the left end activity of the steering column tube (1)
It is socketed with left input shaft (2), the right end of the left input shaft (2) extends to the inside of steering column tube (1) and movable sleeve is connected to company
Female connector pipe (5), the external fixing sleeve of the left input shaft (2) is connected to the fixed block (3) internal positioned at steering column tube (1), described
The outside of left input shaft (2) is fixedly installed with the first external splines (4) on the right side of fixed block (3), the steering column tube (1)
Right end movable sleeve is connected to right input shaft (6), the left end of the right input shaft (6) extend to the inside of steering column tube (1) and with even
The right end pivot bush unit of female connector pipe (5), the external fixing sleeve of the right input shaft (6) are connected to internal positioned at steering column tube (1)
The outside of limited block (7), the right input shaft (6) is fixedly installed with the second external splines (8) on the left of limited block (7), institute
The left end for stating connecting sleeve (5) is fixedly installed with limit plate (9), and the external activity of the left input shaft (2) is socketed with energy-absorbing bullet
Spring (10), the both ends of the energy-absorbing spring (10) left side with the left side of steering column tube (1) inner cavity and limit plate (9) respectively
It is fixedly connected, the right end of the connecting sleeve (5) is fixedly installed with positioning plate (12), and the inner surface of the connecting sleeve (5) is opened
Equipped with internal spline (13), the inner wall of the connecting sleeve (5) is fixedly installed with fixed plate (14), and the fixed plate (14) passes through slow
It rushes spring (15) to be sequentially connected with buffer board (16), the upper and lower ends of the buffer board (16) are fixedly installed with and internal spline
(13) left end of compatible limiting tooth (17), connecting sleeve (5) the inner cavity top surface is fixedly installed with the first moulding (18),
The bottom end of first moulding (18) is fixedly connected through left input shaft (2) and with the bottom surface of connecting sleeve (5) inner cavity, described
The right end of connecting sleeve (5) inner cavity top surface is fixedly installed with the second moulding (19), and the bottom end of second moulding (19) is passed through
It wears right input shaft (6) and is fixedly connected with the bottom surface of connecting sleeve (5) inner cavity.
2. a kind of steering column input shaft according to claim 1, it is characterised in that: the right end of the left input shaft (2)
It is offered through the right side of limit plate (9), and limit plate (9) compatible with left input shaft (2) and the first external splines (4)
Movable span.
3. a kind of steering column input shaft according to claim 1, it is characterised in that: the left end of the right input shaft (6)
It offers through the right side of positioning plate (12), and positioning plate (12) and is adapted with the second external splines (8) and right input shaft (6)
Displacement aperture.
4. a kind of steering column input shaft according to claim 1, it is characterised in that: steering column tube (1) inner cavity
Upper and lower surface is fixedly installed with bar shaped track (11), and the upper and lower ends of the limit plate (9) and positioning plate (12) offer
The concave groove matched similar to bar shaped track (11), the concave groove and bar shaped track (11) activity are clamped.
5. a kind of steering column input shaft according to claim 1, it is characterised in that: outside the internal spline (13) and first
Spline (4) and the second external splines (8) are adapted, and fixed block (3) and the first external splines (4) and the second external splines (8) are tight
It is close to be connected together.
6. a kind of steering column input shaft according to claim 1, it is characterised in that: first moulding (18) and
The quantity of two mouldings (19) is two, and the diameter value of the first moulding (18) is greater than the diameter of the second moulding (19)
Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289224.9U CN208665292U (en) | 2018-08-10 | 2018-08-10 | A kind of steering column input shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289224.9U CN208665292U (en) | 2018-08-10 | 2018-08-10 | A kind of steering column input shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208665292U true CN208665292U (en) | 2019-03-29 |
Family
ID=65836071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289224.9U Expired - Fee Related CN208665292U (en) | 2018-08-10 | 2018-08-10 | A kind of steering column input shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208665292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706831A (en) * | 2019-10-25 | 2021-04-27 | 比亚迪股份有限公司 | Steering system and automobile |
-
2018
- 2018-08-10 CN CN201821289224.9U patent/CN208665292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706831A (en) * | 2019-10-25 | 2021-04-27 | 比亚迪股份有限公司 | Steering system and automobile |
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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: 20190329 Termination date: 20200810 |