CN202923583U - Steering wheel locking device - Google Patents
Steering wheel locking device Download PDFInfo
- Publication number
- CN202923583U CN202923583U CN201220436420.0U CN201220436420U CN202923583U CN 202923583 U CN202923583 U CN 202923583U CN 201220436420 U CN201220436420 U CN 201220436420U CN 202923583 U CN202923583 U CN 202923583U
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- CN
- China
- Prior art keywords
- dead bolt
- steering wheel
- screw rod
- elastic component
- lock device
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model provides a steering wheel locking device. The steering wheel locking device comprises a lock tongue (3), a motor providing power for the lock tongue (3), and a shell body (4) of the motor, wherein a cylindrical spring is arranged between the lock tongue (3) and the shell body (4), the locking process of the lock tongue (3), a supporting table (5) on the lock tongue (3) enables the cylindrical spring to be compressed and deformed to accumulate elastic potential energy, when the lock tongue (3) is in a locked position, the elastic potential energy of the cylindrical spring is the largest, in the process of unlocking, the motor reverses to drive the lock tongue (3) to retreat, the cylindrical spring returns the shape, releases the elastic potential energy calculated by elastic deformation to push the lock tongue (3), and provides assistant power for the lock tongue (3) to retreat from a steering shaft (1), and the unlocking performance of the steering wheel locking device is reinforced.
Description
Technical field
The utility model relates to a kind of steering wheel lock device.
Background technology
The physical construction of existing all kinds of electric steering wheel locks directly adopts motor-driven usually, and by drive mechanism, rotatablely moving becomes straight-line motion, makes the torque axis of motor change the release pulling force into, realizes the release purpose.The way that the drive mechanism of the handle lock on market increases the release pulling force has two kinds: the one, increase motor merit load torque; The 2nd, increase transmitting ratio.The former has increased simultaneously working current and has been unfavorable for noise control; The latter will inevitably increase structural volume and the manufacturing cost of handle lock.
Summary of the invention
A purpose of the present utility model is to overcome the deficiency of one of above-mentioned prior art, provides a kind of release performance good steering wheel lock device.
A kind of steering wheel lock device comprises:
The dead bolt that can move between locked,
Be used for the actuating unit that transferring power promotes the dead bolt linear reciprocating motion, and
Be used for holding the housing of dead bolt and actuating unit, described housing has the cavity of an end opening, and the opening of described housing is coated with the cover plate for the sealing opening, and described dead bolt and actuating unit all are positioned at described cavity,
Described steering shaft lock comprises for the dead bolt of locking and release and for the support portion of supporting dead bolt, described dead bolt can be in described support portion back and forth release and locking, along the dead bolt sense of motion, be provided with the first elastic component that is used to release that power-assisted is provided between the inwall of dead bolt and housing.
Further, described dead bolt is provided be used to the brace table that supports described the first elastic component, and described brace table is positioned on the sidewall of described dead bolt, described brace table towards the dead bolt locking direction have be convenient to the first elastic component against the plane.
Further, described housing has the through hole that passes through for dead bolt.
Further, the inwall of described housing is provided with the groove of locating for the first elastic component, described groove extends setting along the dead bolt sense of motion, described the first elastic component and brace table are slidably located on described groove, and described groove is provided with for the projection of locating the first elastic component along the dead bolt sense of motion.
Further, described the first elastic component is cylindrical spring, the sheathed described projection of described cylindrical spring one end, and the other end of described cylindrical spring is resisted against on described brace table.
Further, described actuating unit comprises worm screw, gear assembly and motor, the rotating shaft of motor is connected with worm screw is coaxial, described gear assembly and worm mesh, described gear assembly comprise for the threaded screw rod of tool and with the helical wheel of screw rod thread engagement transmission, described helical wheel has negative thread, described screw rod and the transmission of negative thread screw thread, described worm screw and helical wheel turbo drive.
Further, the end that described dead bolt is provided with brace table extends to form two wall extensions from dead bolt body two side, all have the waist shaped hole that arranges along described dead bolt sense of motion on described two wall extensions, described screw rod coordinates between the wall extension that is connected in movably dead bolt with waist shaped hole by bearing pin.
Further, described dead bolt is provided with spring eye towards an end of screw rod, holds in described spring eye to be useful on the second elastic component that supports dead bolt, and described the second elastic component one end is supported in spring eye, and the described second elastic component other end is supported on screw rod.
Further, described screw rod is provided with the orienting lug of being convenient to the dead bolt displacement, described housing has for dead bolt being moved the guide groove that leads, and described guide groove is arranged on along the dead bolt sense of motion on the inwall of housing, and described orienting lug is slidably located in described guide groove.
Further, the opening of described housing is coated with the cover plate for the sealing opening, described cover plate is provided with the groove for the Support Gear assembly, described helical wheel is resisted against on the wall of groove, described inside grooves is provided with the shell fragment for the jack-up screw rod, described screw rod has the idle running district that an end is used for motor idle running, and during described motor idle running, an end of screw rod is resisted against on described shell fragment.
Further, described orienting lug also is provided with for the prompting dead bolt inductor of locking whether, described support portion is provided with strip gab along the dead bolt sense of motion, described inductor in strip gab along dead bolt sense of motion crank motion, described control circuit is provided with and coordinates the detector that produces release or locking signal with inductor, and described inductor coordinates generation unlocking signal or locking signal by described strip gab with detector.
By increase elastic component between dead bolt sense of motion upper lock tongue and housing, make dead bolt continuous compression elastic piece in locking process, be in latched position at dead bolt, the elastic potential energy of elastic component is maximum, when in the dead bolt release time, elastic component discharges rapidly stored elastic potential energy, has increased the restoring force of dead bolt release, has improved the release performance.
Description of drawings
Fig. 1 is the structural representation of completing with the assembling of Steering gear and column tube of a kind of embodiment of the utility model steering wheel lock device.
Fig. 2 is the structure cutaway view of a kind of embodiment of the utility model steering wheel lock device.
Fig. 3 is the structure cutaway view of housing of a kind of embodiment of the utility model steering wheel lock device.
Fig. 4 is the dead bolt of a kind of embodiment of the utility model steering wheel lock device and the structural representation of screw rod.
Fig. 5 is the A-A figure in Fig. 4.
Fig. 6 is the structural representation of cover plate of a kind of embodiment of the utility model steering wheel lock device.
Fig. 7 is the support portion of a kind of embodiment of the utility model steering wheel lock device and the structural representation of strip gab.
Fig. 8 is the structural representation of screw rod of a kind of embodiment of the utility model steering wheel lock device.
Wherein: steering shaft 1; Column tube 2; Dead bolt 3; Housing 4; Brace table 5; The first elastic component 6; Groove 7; Projection 8; Screw rod 9; Helical wheel 10; Worm screw 11; The second elastic component 12; Orienting lug 13; Spring eye 14; Cover plate 15; Through hole 16; Wall extension 17; Waist-shaped hole 18; Groove 19; Shell fragment 20; Idle running district 21; Support portion 22; Strip gab 23; Inductor 24.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
On automobile, usually by steering shaft 1, bearing circle and wheel are coupled together, when bearing circle rotated, steering shaft 1 also rotated, and wheel steering is to the corresponding deflection angle of the angle of rotation of bearing circle.Usually in order to support steering shaft 1, also be equipped with on automobile for the column tube 2 that supports steering shaft 1, steering shaft 1 is rotating to be contained in column tube 2, the steering wheel lock device of mentioning in the utility model namely is arranged on column tube 2, by this device locking steering shaft 1, and then the bearing circle that will be connected with steering shaft 1 locking, when steering wheel lock device is in latched position, bearing circle also is in the lock state, and prevents rotating of steering wheel; When steering wheel lock device is in the unlocked position, bearing circle is in released state, allows rotating of steering wheel, controls machine operation by car running computer, realizes switching between the locking and unlocking of steering wheel lock device.
As shown in Figure 1, a kind of steering wheel lock device that the utility model provides, comprise: the dead bolt 3 that can move between locked, when being in described latched position, described dead bolt 3 banning of turning movement axles 1 rotate, and when being in described unlocked position, described dead bolt 3 allows described steering shaft 1 to rotate; Be used for the housing 4 that transferring power promotes the actuating unit of dead bolt linear reciprocating motion and is used for holding dead bolt 3 and actuating unit, described housing 4 has the cavity of an end opening, described dead bolt 3 and actuating unit all are positioned at described cavity, the restoring force of dead bolt when increasing release, along on the direction of latched position, be supported with the first elastic component 6 that is used to release that power-assisted is provided between the inwall of dead bolt 3 and housing 4.
described housing 4 has the cavity of an end opening, the opening of described housing 4 is coated with the cover plate 15 for the sealing opening, the rotating shaft of motor is connected with worm screw 11 is coaxial, gear assembly is supported on described cover plate 15 rotationally, described gear assembly and worm screw 11 engagements, dead bolt 3 and gear assembly are installed in cavity, housing 4 has a through hole 16 for dead bolt 3 lockings or release steering shaft, but dead bolt 3 linear reciprocation between latched position or unlocked position is limited in described through hole 16 movably, through hole 16 coordinates with steering shaft 1, when dead bolt 3 is in latched position, dead bolt 3 stretches out through hole 16, when dead bolt 3 was in the unlocked position, dead bolt 3 was return in through hole 16.
In conjunction with shown in Figure 2, described dead bolt 3 is provided be used to the brace table 5 that supports described the first elastic component 6, described brace table 5 is positioned on the sidewall of described dead bolt 3, described brace table 5 towards dead bolt 3 locking directions have be convenient to the first elastic component 6 against the plane, adopt brace table 5 to support the second elastic component 12, be convenient to the first elastic component 6 be compressed in locking process at dead bolt 3, the first elastic component 6 is not easy, in addition, the position that is used for installation the first elastic component 6 is designed to the plane, be conducive to laying of the first elastic component 6, be not easy landing.
in conjunction with shown in Figure 3, the inwall of described housing 4 is provided with the groove 7 of locating for the first elastic component 6, described groove 7 is arranged on the inwall of described housing 4 along the extension of dead bolt sense of motion, described the first elastic component 6 and brace table 5 are slidably located in described groove 7, described groove 7 is provided with the projection 8 for location the first elastic component 6, projection 8 is arranged in groove 7 along the dead bolt sense of motion, described the first elastic component 6 is cylindrical spring, described cylindrical spring one end is set on described protruding 8, the other end of cylindrical spring is resisted against on brace table 5, usually in the process of compression cylindrical spring, cylindrical spring is easy to be distorted, offer groove 7 and lay cylindrical spring on housing 4 inwalls, can make cylindrical spring be moved compression along rectilinear direction in groove 7.
in conjunction with Fig. 4 and shown in Figure 5, described actuating unit comprises worm screw 11, gear assembly and motor, the rotating shaft of motor is connected with worm screw 11 is coaxial, described gear assembly and worm screw 11 engagements, electric machine rotation by worm screw 11 with power transmission to gear assembly, gear assembly and then the motion of promotion dead bolt, gear assembly comprise for the threaded screw rod 9 of tool and with the helical wheel 10 of screw rod 9 thread engagement transmissions, described helical wheel 10 has negative thread, described screw rod 9 and the transmission of negative thread screw thread, the gear teeth turbo drive of described worm screw 11 and helical wheel (10), described helical wheel 10 is rotationally against on the cover board, driving helical wheel 10 after the tooth mesh of worm screw 11 and helical wheel (10) rotates, by the screw thread transmission, screw rod 9 screws out, helical wheel 10 produces relative displacement with screw rod 9, because helical wheel 10 is resisted against on cover plate 15, so relative helical wheel 10 change in location of screw rod 9, and then promotion dead bolt 3 is completed lock operation.
In conjunction with shown in Figure 4, the end that described dead bolt 3 is provided with brace table 5 extends to form two wall extensions 17 from dead bolt body two side, all have the waist shaped hole 18 that arranges along described dead bolt 3 sense of motions on described two wall extensions 17, described screw rod 9 coordinates between the wall extension 17 that is connected in movably dead bolt 3 with waist shaped hole 18 by bearing pin.
In conjunction with shown in Figure 5, described dead bolt 3 is provided with spring eye 14 towards the end of screw rod 9, the interior installation of described spring eye 14 is used for supporting the second elastic component 12 of dead bolt 3, described the second elastic component 12 1 ends are supported in spring eye 14, described second elastic component 12 other ends are supported on the end of screw rod 9, adopt the design of waist-shaped hole and the second elastic component 12, dead bolt 3 can and screw rod 9 between produce relative displacement, can so that dead bolt 3 at locking process and steering shaft 1 flexible contact, effectively damp impacts power, avoid the rigidity contact to cause dead bolt 3 to damage.
Described screw rod 9 is provided with the orienting lug 13 of being convenient to dead bolt 3 displacements, described housing 4 has for dead bolt 3 being moved the guide groove that leads, described guide groove is arranged on the inwall of housing 4 along dead bolt 3 sense of motions, and described orienting lug 13 is slidably located in described guide groove.
in conjunction with shown in Figure 6, described cover plate 15 is provided with the groove 19 for the Support Gear assembly, described helical wheel 10 is resisted against on the wall of groove 19, described groove 19 inside are provided with the shell fragment 20 for jack-up screw rod 9, motor reversal during release, when screw rod 9 drive dead bolts move to released state, because motor continues to rotate in the course of the work, screw rod 9 need to separate with worm screw 11, so being provided with an end, screw rod 9 do not have threaded idle running district 21, idle running district 21 when worm screw 11 rotating screw bolts 9, do not have threaded engagement, worm screw 11 idle running, screw rod 9 does not rotate, continue landing in order to prevent screw rod 9 this moment, one end of screw rod 9 is resisted against on described shell fragment 20, the invariant position that keeps screw rod 9, when the motor forward, the screw thread of screw rod 9 can be directly and worm screw 11 engagements, again promote dead bolt 3 locking work.
In conjunction with shown in Figure 7, steering shaft lock comprises for the dead bolt 3 of locking and release and for the support portion 22 of supporting dead bolt 3, described dead bolt can be at the interior reciprocal release in described support portion 22 and locking, described support portion 22 is provided with is convenient to the strip gab 23 that described inductor 24 passes through, and described strip gab 23 extends along the dead bolt sense of motion.
in conjunction with Fig. 7 and shown in Figure 8, for can be in time with locking and the released state feedback of steering wheel lock device, orienting lug 13 also is provided with for the prompting dead bolt inductor 24 of locking whether, described inductor 24 is interior along dead bolt 3 sense of motion crank motions at strip gab 23, described control circuit is provided with and coordinates the detector that produces release or locking signal with inductor 24, described inductor 24 coordinates generation unlocking signal or locking signal by described strip gab 23 with detector, in the present embodiment, inductor 24 is magnet, detector is magnet inductor 24, when the close magnet inductor 24 of magnet, magnet inductor 24 sends the bolt lock stop signal, when magnet during away from magnet inductor 24, magnet inductor 24 can't detect magnet, magnet inductor 24 sends unlocking signal, magnet can move back and forth in strip gab 23, can near and away from the magnet inductor 24 on circuit card, thereby produce locking or released state signal.
The below introduces the steering wheel lock device service condition that the utility model provides:
In locking process, the rotation of motor is inserted in steering shaft 1 by the straight-line motion that turbo drive and screw thread transmission convert dead bolt 3 to, at this moment, under the drive of dead bolt 3, the compressed generation deformation quantity of cylindrical spring, gather elastic potential energy, when dead bolt 3 was in latched position, the elastic potential energy of cylindrical spring was maximum; In releasing process, motor reversal, dead bolt 3 withdraws from steering shaft 1 under the drive of motor, the pulling force of dead bolt 3 except be converted by motor, also be subject to the elastic force that cylindrical spring recovery self deformation produces, dead bolt 3 is withdrawed from steering shaft 1 produce the power-assisted effect, can realize that dead bolt 3 withdraws from fast, improve the release performance.
A kind of steering wheel lock device that the utility model provides, comprise dead bolt 3, be used for providing the motor of power to reach the housing 4 that is used for holding dead bolt 3 and motor to dead bolt 3, between dead bolt 3 and housing 4, cylindrical spring is installed, in the process of dead bolt 3 lockings, the brace table 5 that is positioned on dead bolt 3 makes the cylindrical spring compressive deformation, gather elastic potential energy, after dead bolt 3 was in latched position, the elastic potential energy of cylindrical spring was maximum; When release, motor reversal drives dead bolt 3 and withdraws from, and the elastic potential energy that the recovery of cylindrical spring self shape is gathered elastic deformation discharges and promotes dead bolt 3, provides power-assisted for dead bolt 3 withdraws from steering shaft 1, makes the release property enhancement of steering wheel lock device.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. steering wheel lock device comprises:
The dead bolt (3) that can move between locked,
Be used for the actuating unit that transferring power promotes the dead bolt linear reciprocating motion, and
Be used for holding the housing (4) of dead bolt (3) and actuating unit, described housing has the cavity of an end opening, and described dead bolt (3) and actuating unit all are positioned at described cavity, it is characterized in that,
Described steering shaft lock comprises for the dead bolt of locking and release and for the support portion (22) of supporting dead bolt, described dead bolt can be in described support portion (22) back and forth release and locking, along dead bolt (3) sense of motion, be provided with the first elastic component (6) that is used to release that power-assisted is provided between the inwall of dead bolt (3) and housing (4).
2. steering wheel lock device according to claim 1, it is characterized in that, described dead bolt (3) is provided be used to the brace table (5) that supports described the first elastic component (6), described brace table (5) is positioned on the sidewall of described dead bolt (3), described brace table (5) towards dead bolt (3) locking direction have be convenient to the first elastic component (6) against the plane.
3. steering wheel lock device according to claim 2, is characterized in that, described housing (4) has the through hole (16) that passes through for dead bolt (3).
4. steering wheel lock device according to claim 3, it is characterized in that, the inwall of described housing (4) is provided with the groove (7) for the first elastic component (6) location, described groove (7) extends setting along the dead bolt sense of motion, described the first elastic component (6) and brace table (5) are slidably located on described groove (7), and described groove (7) is provided with for the projection (8) of locating the first elastic component (6) along the dead bolt sense of motion.
5. steering wheel lock device according to claim 4, is characterized in that, described the first elastic component (6) is cylindrical spring, the described sheathed described projection of cylindrical spring one end (8), and the other end of described cylindrical spring is resisted against on described brace table (5).
6. steering wheel lock device according to claim 5, it is characterized in that, described actuating unit comprises worm screw (11), gear assembly and motor, the rotating shaft of motor and coaxial connection of worm screw (11), described gear assembly and worm screw (11) engagement, described gear assembly comprise for the threaded screw rod of tool (9) and with the helical wheel (10) of screw rod (9) thread engagement transmission, described helical wheel (10) has negative thread, described screw rod (9) and the transmission of negative thread screw thread, described worm screw (11) and helical wheel (10) turbo drive.
7. according to claim 6 steering wheel lock device, it is characterized in that, the end that described dead bolt (3) is provided with brace table (5) extends to form two wall extensions (17) from dead bolt body two side, all have the waist shaped hole (18) that arranges along described dead bolt sense of motion on described two wall extensions (17), described screw rod (9) coordinates between the wall extension (17) that is connected in movably dead bolt (3) with waist shaped hole (18) by bearing pin.
8. steering wheel lock device according to claim 6, it is characterized in that, described dead bolt (3) is provided with spring eye (14) towards an end of screw rod (9), hold in described spring eye (14) and be useful on the second elastic component (12) that supports dead bolt (3), described the second elastic component (12) one ends are supported in spring eye (14), and described the second elastic component (12) other end is supported on screw rod (9).
9. steering wheel lock device according to claim 7, it is characterized in that, described screw rod (9) is provided with the orienting lug (13) of being convenient to dead bolt (3) displacement, described housing (4) has for dead bolt (3) being moved the guide groove that leads, described guide groove is arranged on the inwall of housing (4) along dead bolt (3) sense of motion, and described orienting lug (13) is slidably located in described guide groove.
10. steering wheel lock device according to claim 6, it is characterized in that, the opening of described housing (4) is coated with the cover plate (15) for the sealing opening, described cover plate (15) is provided with the groove (19) for the Support Gear assembly, described helical wheel (10) is resisted against on the wall of groove (19), described groove (19) inside is provided with the shell fragment (20) for jack-up screw rod (9), described screw rod (9) has the idle running district (21) that an end is used for motor idle running, during described motor idle running, an end of screw rod (9) is resisted against on described shell fragment (20).
11. steering wheel lock device according to claim 10, it is characterized in that, described orienting lug also is provided with for the prompting dead bolt inductor (24) of locking whether, described support portion (22) is provided with strip gab (23) along the dead bolt sense of motion, described inductor (24) in strip gab (23) along dead bolt sense of motion crank motion, described control circuit is provided with and coordinates the detector that produces release or locking signal with inductor (24), described inductor (24) coordinates generation unlocking signal or locking signal by described strip gab (23) with detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220436420.0U CN202923583U (en) | 2012-08-30 | 2012-08-30 | Steering wheel locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220436420.0U CN202923583U (en) | 2012-08-30 | 2012-08-30 | Steering wheel locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923583U true CN202923583U (en) | 2013-05-08 |
Family
ID=48213573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220436420.0U Expired - Lifetime CN202923583U (en) | 2012-08-30 | 2012-08-30 | Steering wheel locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923583U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332167A (en) * | 2013-07-03 | 2013-10-02 | 江苏安智欣电子科技有限公司 | Automobile locking mechanism |
| CN103661249A (en) * | 2012-08-30 | 2014-03-26 | 比亚迪股份有限公司 | Steering wheel locking device |
| CN110616548A (en) * | 2019-08-05 | 2019-12-27 | 曹建胜 | Washing machine capable of locking inner drum and outer drum by means of elastic potential energy |
-
2012
- 2012-08-30 CN CN201220436420.0U patent/CN202923583U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661249A (en) * | 2012-08-30 | 2014-03-26 | 比亚迪股份有限公司 | Steering wheel locking device |
| CN103661249B (en) * | 2012-08-30 | 2016-09-07 | 比亚迪股份有限公司 | A kind of steering wheel lock device |
| CN103332167A (en) * | 2013-07-03 | 2013-10-02 | 江苏安智欣电子科技有限公司 | Automobile locking mechanism |
| CN110616548A (en) * | 2019-08-05 | 2019-12-27 | 曹建胜 | Washing machine capable of locking inner drum and outer drum by means of elastic potential energy |
| CN110616548B (en) * | 2019-08-05 | 2023-07-07 | 曹建胜 | Washing machine capable of locking inner cylinder and outer cylinder by means of elastic potential energy |
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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: 20130508 |