CN208897153U - It is a kind of to prevent automatic locking device of the vehicle steering wheel from horizontal deflection - Google Patents

Abstract

The utility model relates to traffic safety technical fields, and it discloses and a kind of prevents automatic locking device of the vehicle steering wheel from horizontal deflection, including bottom plate, movable chamber is fixedly installed at the top of the bottom plate, mounting base is fixedly installed at the top of the bottom plate, the mounting base is located at the inside of movable chamber, and the inside of the mounting base is fixedly connected with PLC device, is fixedly installed with motor at the top of the mounting base.Reduction-gear housing is fixedly installed at the top of the motor, the pressure of manpower is perceived by the pressure sensor on steering wheel, to determine whether locking system acts, the the first face gear movement for making locking system by the second face gear installed in steering shaft is can be engaged with it, and then define the movement of steering shaft, prevent the deflection of wheel, so that driving conditions are safer, signal can also be passed to the dynamical system of vehicle by pressure sensor, be slowed down so that vehicle is appropriate.

Description

It is a kind of to prevent automatic locking device of the vehicle steering wheel from horizontal deflection

Technical field

The utility model relates to technical field of vehicle safety, specially a kind of to prevent vehicle steering wheel from the automatic of horizontal deflection Locking system.

Background technique

Currently, improved as people's lives are horizontal continuous, automobile using more more and more universal, along with the increasing of automobile More, traffic accident also increasingly takes place frequently, and traffic accident, which occurs, has quite a few the reason is that since driver is in driving In the process consciously or unconsciously between both hands leave steering wheel so that in the process of moving, especially in bumpy road, steering wheel can go out Oneself existing rotation makes automobile steering deflect, so that traffic accident occurs.

The latch functions of steering wheel just become more and more important, and locking system currently on the market uses motor driven gear Rotation, gear drive pull rod to be moved forward and backward, and pull rod drives position limiting slide block to act on ratchet again, and ratchet is limited sliding block and limits It is acted, so that steering shaft can not act, and then carry out locking to steering wheel, prevents wheel from deflecting, in the process if electricity Machine, which breaks down, will lead to entire locking system failure, and then influence traffic safety.

Utility model content

In view of the deficiencies of the prior art, the utility model, which provides, a kind of prevents automatic lock of the vehicle steering wheel from horizontal deflection The advantages of locking apparatus, it is good to have a locking effect, reliable operation solves the problems, such as to mention in appeal background technique.

The utility model provides the following technical solutions: it is a kind of to prevent automatic locking device of the vehicle steering wheel from horizontal deflection, Including bottom plate, it is fixedly installed with movable chamber at the top of the bottom plate, mounting base, the peace are fixedly installed at the top of the bottom plate For cartridge seat in the inside of movable chamber, the inside of the mounting base is fixedly connected with PLC device, the fixed peace in the top of the mounting base Equipped with motor, the inside of the motor rear cover is fixedly connected with velocity sensor, and deceleration is fixedly installed at the top of the motor Device case, the output end of the motor extends to the inside of reduction-gear housing and is fixedly installed with central gear, in the reduction-gear housing Gear ring is fixedly installed on the inside of chamber, there are three planetary gear, three planet teeth for the outside engagement of the central gear The outside of wheel respectively be meshed on the inside of gear ring, three planetary gear central axises are movably installed with planet carrier, institute The center fixing sleeve for stating planet carrier is connected to screw rod, the other end of the screw rod extend to the inside of another reduction-gear housing and with it is another The center of planet carrier socket-connects, and motor cover is fixedly installed at the top of the movable chamber, and the top of the movable chamber is fixedly mounted There is small electromotor, the small electromotor is located at the inside of motor cover, and the output end of the small electromotor through movable chamber and extends To the inside of reduction-gear housing, the lateral surface screw thread of the screw rod is socketed with Mobile base, the bottom of the Mobile base and movable chamber Inner surface is in contact, and the lateral surface of movable chamber is extended at the top of the Mobile base and is fixedly installed with connecting rod, the connection The other end of bar is fixed to be equipped with the first face gear, and the inner wall movable sleeve of first face gear is connected to steering shaft, first face Gear is not in contact with steering shaft, and the lateral surface fixing sleeve of the steering shaft is connected to the second face gear, the top of the steering shaft It is fixedly installed with steering wheel, the inside of the steering wheel is fixedly installed with pressure sensor, the outer surface activity of the steering shaft It is socketed with driving panel, the driving panel is located at the top of the second face gear.

Preferably, first face gear is located at the lower section of the second face gear, and bottom plate is run through simultaneously in the bottom of the steering shaft Extend to the lower section of bottom plate.

Preferably, the action of the motor and small electromotor is contrary, and the motor cover is located at driving panel Lower section.

Preferably, the angle between three center planetary gear axis differs 120 °, and three planetary gears Angular speed is all the same with linear velocity.

Preferably, the length value of the movable chamber side opening is greater than the length value of Mobile base movement, first face tooth The diameter value for taking turns medial surface is slightly larger than the diameter value of steering shaft.

Preferably, the pressure sensor and PLC device are to be electrically connected, and velocity sensor is electrically to connect with PLC device It connects, PLC device and motor and small electromotor are all to be electrically connected.

Be compared with the prior art, the utility model have it is following the utility model has the advantages that

1, this prevents automatic locking device of the vehicle steering wheel from horizontal deflection, is felt by the pressure sensor on steering wheel Know the pressure of manpower, to determine whether locking system acts, by the second face gear installed in steering shaft locking is filled The the first face gear movement set is can be engaged with it, and then define the movement of steering shaft, it is therefore prevented that the deflection of wheel, So that driving conditions are safer, signal can also be passed to the dynamical system of vehicle by pressure sensor, so that vehicle is appropriate Carry out slow down.

2, this prevents automatic locking device of the vehicle steering wheel from horizontal deflection, and the rotation of motor and small electromotor drives screw rod Rotation, screw rod is converted to translation of the Mobile base on screw rod, so that the first face gear is close to the second face gear And then be engaged with the second face gear, the rotation direction and rotation of motor and small electromotor are controlled by PLC device Number is enclosed, motor also continues rotation damage motor after can preventing the first face gear from engaging with the second face gear, and velocity sensor is used The revolving speed of motor is perceived, when motor damage, signal will be passed to PLC device by velocity sensor, PLC device will be controlled Small electromotor rotation processed, so that locking system can work normally.

Detailed description of the invention

Fig. 1 is the utility model structure sectional view；

Fig. 2 is the utility model structure front view；

Fig. 3 is the utility model planetary reduction gear box bottom, cross-sectional view；

Fig. 4 is the utility model planetary reduction gear box top cross-sectional view.

In figure: 1, bottom plate；2, mounting base；3, motor；4, Mobile base；5, screw rod；6, movable chamber；7, small electromotor；8, turn To disk；9, pressure sensor；10, driving panel；11, the second face gear；12, steering shaft；13, the first face gear；14, it connects Bar；15, reduction-gear housing；16, velocity sensor；17, PLC device；18, motor cover；19, gear ring；20, planetary gear；21, row Carrier；22, central gear.

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.

Fig. 1-4 is please referred to, it is a kind of to prevent automatic locking device of the vehicle steering wheel from horizontal deflection, including bottom plate 1, bottom plate 1 Top be fixedly installed with movable chamber 6, the length value of 6 side of movable chamber opening is greater than the length value that Mobile base 4 moves, bottom plate 1 Top be fixedly installed with mounting base 2, mounting base 2 is located at the inside of movable chamber 6, and the inside of mounting base 2 is fixedly connected with PLC dress Set 17, the model S1200 of PLC device, controlled by PLC device 17 motor 3 and small electromotor 7 rotation direction and Turnning circle, motor also continues rotation damage motor, installation after can preventing the first face gear 13 from engaging with the second face gear 11 The top of seat 2 is fixedly installed with motor 3, and the inside of 3 rear cover of motor is fixedly connected with velocity sensor 16,16 type of velocity sensor It number is TCE18LD, pressure sensor 9 and PLC device 17 are to be electrically connected, and velocity sensor 16 and PLC device 17 are electrical connect It connecing, PLC device 17 and motor 3 and small electromotor 7 are all to be electrically connected, and velocity sensor 16 is used to perceive the revolving speed of motor 3, When motor 3 damages, signal will be passed to PLC device 17 by velocity sensor 16, and PLC device 17 will control small electromotor 7 rotations, so that locking system can work normally, the top of motor 3 is fixedly installed with reduction-gear housing 15, motor 3 it is defeated Outlet extends to the inside of reduction-gear housing 15 and is fixedly installed with central gear 22, and the inside of 15 inner cavity of reduction-gear housing is fixedly mounted There is a gear ring 19, the angle of the outside engagement of central gear 22 there are three planetary gear 20, between three 20 central axises of planetary gear 120 ° of degree difference, and the angular speed of three planetary gears 20 and linear velocity are all the same, the outside of three planetary gears 20 respectively with The inside of gear ring 19 is meshed, and the central axis of three planetary gears 20 is movably installed with planet carrier 21, the center of planet carrier 21 Fixing sleeve is connected to screw rod 5, and the other end of screw rod 5 extends to the inside of another reduction-gear housing 15 and the center with another planet carrier 21 It socket-connects, the top of movable chamber 6 is fixedly installed with motor cover 18, and the top of movable chamber 6 is fixedly installed with small electromotor 7, motor 3 The rotation of screw rod 5 is driven with the rotation of small electromotor 7, screw rod 5 is converted to translation of the Mobile base 4 on screw rod 5, in turn So that the first face gear 13 is engaged close to the second face gear 11 and then with the second face gear 11, small electromotor 7 is located at motor The inside of cover 18, motor 3 is contrary with the action of small electromotor 7, and motor cover 18 is located at the lower section of driving panel 10, mends The output end of motor 7 is repaid through movable chamber 6 and extends to the inside of reduction-gear housing 15, the lateral surface screw thread of screw rod 5 is socketed with shifting Dynamic seat 4, the bottom of Mobile base 4 are in contact with the inner surface of movable chamber 6, and the top of Mobile base 4 extends to the lateral surface of movable chamber 6 And it is fixedly installed with connecting rod 14, the other end of connecting rod 14 is fixed to be equipped with the first face gear 13, the inner wall of the first face gear 13 Movable sleeve is connected to steering shaft 12, and the first face gear 13 is not in contact with steering shaft 12, the diameter value of 13 medial surface of the first face gear Slightly larger than the diameter value of steering shaft 12, the lateral surface fixing sleeve of steering shaft 12 is connected to the second face gear 11, the first face gear 13 In the lower section of the second face gear 11, the first face tooth of locking system is made by the second face gear 11 installed in steering shaft 12 13 movement of wheel is can be engaged with it, and then define the movement of steering shaft 12, it is therefore prevented that the deflection of wheel, so that driving Process is safer, and signal can also be passed to the dynamical system of vehicle by pressure sensor, is subtracted so that vehicle is appropriate Speed, the top of steering shaft 12 are fixedly installed with steering wheel 8, and the inside of steering wheel 8 is fixedly installed with pressure sensor 9, by turning Pressure sensor 9 on disk 8 perceives the pressure of manpower, to determine whether locking system acts, the outer surface of steering shaft 12 Movable sleeve is connected to driving panel 10, and driving panel 10 is located at the top of the second face gear 11, and bottom plate 1 is run through in the bottom of steering shaft 12 And extend to the lower section of bottom plate 1.

Working principle, in startup procedure, when manpower leaves steering wheel 8, pressure sensor 9 will sensed pressure change Change, signal can pass to vehicular propulsion and slow down, while signal is passed to PLC device 17, and PLC device 17 will control It controls motor 3 to rotate, the rotation of motor 3 drives central gear 22 to rotate, and central gear 22 drives planet by the effect of engagement Gear 20 rotates, and the lateral surface of planetary gear 20 with gear ring 19 by engaging so that planetary gear 20 surrounds central gear 22 Rotation, and then the rotation of planet carrier 21 is driven, planet carrier 21 drives screw rod 5 to rotate, and screw rod 5 is converted to Mobile base 4 Translation, Mobile base 4 drive the connecting rod 14 outside movable chamber 6 to act, and connecting rod 14 drives the first face gear 13 and the second face tooth Wheel 11 is meshed, and then limits the movement of steering wheel, when velocity sensor 16 can not detect the movement of motor 3, letter PLC device 17 number is passed to, PLC device will control small electromotor work, the above movement can be completed, prevent accident, when When manpower is returned on steering wheel 8,3 counter motion of motor, so that the first face gear 13 leaves the second face gear 11, steering wheel Unlock.

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 prevent automatic locking device of the vehicle steering wheel from horizontal deflection, including bottom plate (1), it is characterised in that: the bottom It is fixedly installed at the top of plate (1) movable chamber (6), is fixedly installed with mounting base (2), the installation at the top of the bottom plate (1) Seat (2) is located at the inside of movable chamber (6), and the inside of the mounting base (2) is fixedly connected with PLC device (17), the mounting base (2) it is fixedly installed at the top of motor (3), the inside of motor (3) rear cover is fixedly connected with velocity sensor (16), described It is fixedly installed at the top of motor (3) reduction-gear housing (15), the output end of the motor (3) extends to the interior of reduction-gear housing (15) Portion is simultaneously fixedly installed with central gear (22), is fixedly installed with gear ring (19), institute on the inside of reduction-gear housing (15) inner cavity The outside engagement of central gear (22) is stated there are three planetary gear (20), the outside of three planetary gears (20) respectively with tooth Wheel rim is meshed on the inside of (19), and the central axis of three planetary gears (20) is movably installed with planet carrier (21), the row The center fixing sleeve of carrier (21) is connected to screw rod (5), and the other end of the screw rod (5) extends to the interior of another reduction-gear housing (15) Portion simultaneously socket-connects with the center of another planet carrier (21), is fixedly installed with motor cover (18) at the top of the movable chamber (6), described It is fixedly installed at the top of movable chamber (6) small electromotor (7), the small electromotor (7) is located at the inside of motor cover (18), described The output end of small electromotor (7) runs through movable chamber (6) and extends to the inside of reduction-gear housing (15), the outside of the screw rod (5) Face screw thread is socketed with Mobile base (4), and the bottom of the Mobile base (4) is in contact with the inner surface of movable chamber (6), the Mobile base (4) lateral surface of movable chamber (6) is extended at the top of and is fixedly installed with connecting rod (14), the other end of the connecting rod (14) Fixed that first face gear (13) are housed, the inner wall movable sleeve of first face gear (13) is connected to steering shaft (12), and described first Face gear (13) is not in contact with steering shaft (12), and the lateral surface fixing sleeve of the steering shaft (12) is connected to the second face gear (11), it is fixedly installed with steering wheel (8) at the top of the steering shaft (12), the inside of the steering wheel (8) is fixedly installed with pressure The outer surface movable sleeve of force snesor (9), the steering shaft (12) is connected to driving panel (10), and the driving panel (10) is located at The top of second face gear (11).

2. a kind of automatic locking device of the vehicle steering wheel from horizontal deflection is prevented according to claim 1, it is characterised in that: First face gear (13) is located at the lower section of the second face gear (11), and bottom plate (1) is run through simultaneously in the bottom of the steering shaft (12) Extend to the lower section of bottom plate (1).

3. a kind of automatic locking device of the vehicle steering wheel from horizontal deflection is prevented according to claim 1, it is characterised in that: The action of the motor (3) and small electromotor (7) is contrary, and the motor cover (18) is located under driving panel (10) Side.

4. a kind of automatic locking device of the vehicle steering wheel from horizontal deflection is prevented according to claim 1, it is characterised in that: Angle between three planetary gear (20) central axises differs 120 °, and the angular speed of three planetary gears (20) with Linear velocity is all the same.

5. a kind of automatic locking device of the vehicle steering wheel from horizontal deflection is prevented according to claim 1, it is characterised in that: The length value of movable chamber (6) the side opening is greater than the length value of Mobile base (4) movement, the first face gear (13) inside The diameter value in face is slightly larger than the diameter value of steering shaft (12).

6. a kind of automatic locking device of the vehicle steering wheel from horizontal deflection is prevented according to claim 1, it is characterised in that: The pressure sensor (9) and PLC device (17) are to be electrically connected, and velocity sensor (16) is electrically to connect with PLC device (17) It connects, PLC device (17) and motor (3) and small electromotor (7) are all to be electrically connected.