CN212890560U - Four-wheel steering device - Google Patents

Abstract

The utility model relates to a four-wheel automobile technical field discloses a four-wheel steering device, including a steering wheel, the steering column of being connected with the steering wheel and the fixed connection device of being connected on the steering column, the fixed connection device includes a connecting cylinder, the connecting cylinder cover is established on the steering column, the connecting cylinder outside cover is equipped with the horizontal rotary drum, fixedly connected with a connecting plate on the horizontal rotary drum, the connecting plate is connected with a longitudinal transfer portion, the longitudinal transfer portion is fixed on the frame through a dead lever; the steering wheel device is characterized in that the steering rod is connected with the frame through the fixed connecting device, the fixed connecting device can rotate relatively, the rotation of the steering rod is not influenced while the steering rod is fixed, the stability of the steering wheel on a bumpy road section is improved, and the safety of the steering wheel device is improved.

Description

Four-wheel steering device

Technical Field

The utility model relates to a four-wheel automobile technical field, concretely relates to four-wheel steering device.

Background

Along with the continuous development of economic society, the demand of people to automobile products also increases along with the same, four-wheel drive automobile is because the flexibility ratio is high, adaptable multiple different topography and more complicated topography condition, more and more people begin to pay close attention to four-wheel drive automobile, current patent No. CN201910792418.3 discloses a four-wheel drive automobile control system and this four-wheel drive automobile, including control system and four-wheel drive automobile, four-wheel drive automobile includes the main frame, preceding swing arm, back swing arm, steering wheel and seat, its stability is better, can switch two-wheel or four-wheel drive according to the topography condition, but connect between its steering wheel and the main frame only through the connecting rod connection, it is obvious to jolt steering wheel jolt the jolt feeling in some highway sections such as mountain region, can rock, unstability.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a four-wheel steering device.

In order to achieve the above object, the present invention provides the following technical solutions:

a four-wheel steering device comprises a steering wheel, a steering rod connected with the steering wheel and a fixed connecting device connected with the steering rod, wherein the steering wheel is fixed on a frame through the fixed connecting device in the middle of the steering rod, and the fixed connecting device is used for reinforcing the connection between the steering wheel and the frame.

The utility model discloses in, it is preferred, fixed connection device includes a connecting cylinder, the connecting cylinder cover is established on the steering column, connecting cylinder outside cover is equipped with horizontal rotary drum, fixedly connected with connecting plate on the horizontal rotary drum, the connecting plate is connected with a vertical switching portion, vertical switching portion is fixed on the frame through a dead lever.

The utility model discloses in, it is preferred, still include control display module, control display module fixed mounting be in the frame tip is close to steering wheel one side, control display module includes a chassis, the chassis is fixed the frame tip, the chassis lower extreme is equipped with convex opening, the opening is convenient the steering column passes, the chassis middle part is fixed with a display screen, the display screen is connected with control unit.

In the utility model, preferably, a fixed bracket is fixed in the frame, and the fixed bracket is positioned on the upper side of the steering rod; the control parts are respectively fixed on the fixed support and positioned on two sides of the steering rod.

The utility model discloses in, it is preferred, the steering column is kept away from steering wheel end fixing has first connecting piece, first connecting piece rotates and is connected with joint portion.

The utility model discloses in, it is preferred, joint portion fixedly connected with second connecting piece, the first pivot of second connecting piece fixedly connected with.

The utility model discloses in, it is preferred, second connecting piece end fixing is kept away from to first pivot is on a connecting block, still be fixed with an axle sleeve in the connecting block, first pivot is rotatory to be set up in this axle sleeve.

The utility model discloses in, it is preferred, the first gear of fixedly connected with still in the first pivot, first gear engagement has the fluted disc, the fluted disc is fixed through the second pivot on the frame.

In the utility model discloses in, preferred, fluted disc one side upper end is rotated and is connected with preceding steering linkage rod, and the opposite side lower extreme rotates and is connected with the acting line, wherein preceding steering linkage rod connects the front wheel rocking arm.

The utility model discloses in, it is preferred, the other end of acting as go-between rotates and is connected with the carousel, the carousel is fixed on the frame through the fourth pivot, the carousel upside rotates and is connected with the back and turns to the connecting rod, the back turns to the connecting rod and connects the rear wheel rocking arm.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a device passes through fixed connection device and is connected steering column and frame, and the inside relative rotation that can of fixed connection device does not influence its rotation etc. again when fixed to the steering column, has increased the stability at the highway section steering wheel of jolting, has improved the security of device.

Drawings

Fig. 1 is a schematic structural view of a four-wheel steering apparatus according to the present invention.

Fig. 2 is a schematic structural view of the steering rod connection of the four-wheel steering apparatus of the present invention.

Fig. 3 is a disassembled schematic view of fig. 2.

Fig. 4 is a schematic front structure diagram of a four-wheel steering apparatus according to the present invention.

Fig. 5 is a schematic rear structure view of a four-wheel steering apparatus according to the present invention.

Fig. 6 is a front view of a double seat of the four-wheel steering apparatus of the present invention.

In the drawings: 1-steering wheel, 2-steering rod, 21-first connecting piece, 22-clamping part, 23-second connecting piece, 24-first rotating shaft, 25-connecting piece, 26-shaft sleeve, 27-first gear, 3-fixed connecting device, 31-connecting cylinder, 32-transverse rotating cylinder, 33-connecting plate, 34-longitudinal connecting part, 35-fixed rod, 4-control display module, 41-underframe, 42-display screen, 43-control part, 44-fixed support, 5-fluted disc, 51-third rotating shaft, 6-front steering connecting rod, 61-front wheel rotating arm, 62-front rotating arm, 63-front wheel straight arm, 64-front wheel, 7-stay wire, 8-rotating disc, 80-protective cover, 81-a fourth rotating shaft, 82-a rear steering connecting rod, 83-a rear wheel rotating arm, 84-a rear swinging arm, 85-a rear wheel straight arm, 86-a rear wheel, 9-a frame, 91-a head cover plate, 92-a lighting lamp, 93-a charging seat and 10-a seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 6 simultaneously, the utility model discloses a preferred embodiment provides a four-wheel steering device, and the device is the four-wheel steering car, can realize four-wheel steering, and travel under the not good topographic conditions of road conditions such as adaptation mountain region, including a steering wheel 1, the steering column 2 of being connected with steering wheel 1 and the fixed connection device 3 of being connected with steering column 2, fixed connection device 3 that steering wheel 1 passes through steering column 2 middle part is fixed on frame 9, fixed connection device 3 is used for consolidating being connected of steering wheel 1 and frame 9 for can not take place to shake or tremble by a wide margin at the comparatively bumpy highway section steering wheel of road conditions.

In this embodiment, the fixed connection device 3 includes a connection cylinder 31, the connection cylinder 31 is sleeved on the steering rod 2, the lateral drum 32 is sleeved outside the connection cylinder 31, a connection plate 33 is fixedly connected to the lateral drum 32, the connection plate 33 is connected to a longitudinal adapter 34, and the longitudinal adapter 34 is fixed on the frame 9 through a fixing rod 35.

Specifically, the frame 9 is a basic frame structure of the device, a seat 10 is fixed in the middle of the frame 9, the front part of the frame 9 is a head part, the front part of the frame 9 is connected with a front wheel set through a front swing arm, the rear part of the frame 9 is connected with a rear wheel set through a rear swing arm in a rotating manner, the steering wheel 1 is installed at the front end of the frame 9, the steering wheel 1 is connected with a steering rod 2, a connecting cylinder 31 is sleeved in the middle of the steering rod 2, a transverse rotating cylinder 32 is sleeved outside the connecting cylinder 31, a connecting plate 33 is fixedly connected to the transverse rotating cylinder 32, the connecting plate 33 is connected with a longitudinal transfer part 34 through a connecting shaft in a rotating manner, the longitudinal transfer part 34 is fixed on the frame 9 through a fixing rod 35, wherein the longitudinal transfer part 34 rotates relative to the fixing rod 35, the longitudinal transfer part 34 and the transverse rotating cylinder 32 can rotate with, when the steering wheel 1 encounters a bumpy road section, severe vibration and excessive vertical and horizontal shaking cannot occur, and the rotation of the steering rod 2 along with the steering wheel 1 cannot be influenced by the rotating arrangement of the fixed connecting device 3.

In the embodiment, the steering wheel further comprises a control display module 4, wherein the control display module 4 is fixedly arranged at one side of the end part of the frame 9, which is close to the steering wheel 1; the control display module 4 comprises a bottom frame 41, the bottom frame 41 is fixed at the end part of the frame 9, the lower end of the bottom frame 41 is provided with a circular arc-shaped opening, the opening is convenient for the steering rod 2 to pass through, the middle part of the bottom frame 41 is fixed with a display screen 42, and the display screen 42 is connected with a control component 43.

Specifically, chassis 41 fixed mounting is at the upper end before frame 9, the perpendicular setting, the lower extreme is equipped with convex opening, so that steering column 2 passes, chassis 41 middle part is fixed with display screen 42 towards steering wheel 1 one side, display screen 42 rear side is connected with control unit 43, still fixed a plurality of control button and the switch of being equipped with around the front of display screen 42, the button is connected with control unit 43 with the switch, realize opening the control of opening to the device through button and switch, the control of functions such as status inquiry, but display screen 42 display device's running state, make things convenient for personnel to grasp the self running condition of device better.

In the present embodiment, a fixed bracket 44 is fixed in the frame 9, and the fixed bracket 44 is positioned on the upper side of the steering rod 2; the control members 43 are fixed to the fixed brackets 44, respectively, on both sides of the steering rod 2.

Specifically, a fixed bracket 44 is fixed in the frame 9 and located above the steering rod 2, and the control part 43 is divided into two parts which are respectively fixed on the fixed bracket 44 and located on two sides of the steering rod 2, so that the space in the frame 9 is fully utilized, and the rotation of the steering rod 2 is not influenced.

In the present embodiment, a first connecting piece 21 is fixed on the end of the steering rod 2 away from the steering wheel 1, and the first connecting piece 21 is rotatably connected with a clamping portion 22; the clamping part 22 is fixedly connected with a second connecting piece 23, and the second connecting piece 23 is fixedly connected with a first rotating shaft 24; the end of the first rotating shaft 24 far from the second connecting piece 23 is fixed on a connecting block 25, a shaft sleeve 26 is further fixed in the connecting block 25, and the first rotating shaft 24 is rotatably arranged in the shaft sleeve 26.

Specifically, the clamping portion 22 is a cube structure, two opposite surfaces of which are provided with through holes, the two through holes are vertically arranged, one side of the through hole is connected with the first connecting member 21 through a screw, the other side of the through hole is fixed with the second connecting member 23 through a screw, the second connecting member 23 is fixedly connected with a first rotating shaft 24, the first rotating shaft 24 is fixed on the frame 9 through a connecting block 25, a shaft sleeve 26 is arranged between the connecting block 25 and the first rotating shaft 24, the shaft sleeve 26 is made of an elastic material, the first rotating shaft 24 rotates relative to the shaft sleeve 26, the shaft sleeve 26 can reduce friction generated between the first rotating shaft 24 and the connecting block 25 and can well fix the first rotating shaft 24, the clamping portion 22 is mainly used for connecting the steering rod 2 and the first rotating shaft 24, because the steering rod 2 is arranged obliquely upwards, the use of a person is facilitated, and the first rotating shaft 24 is arranged horizontally, through the setting of joint portion 22, first connecting piece 21 and second connecting piece 23, can pass through the connection between steering column 2 and the first pivot 24 well, and can alleviate the mutual vibrations between steering column 2 and the first pivot 24.

In the present embodiment, the first rotating shaft 24 is further fixedly connected with a first gear 27, the first gear 27 is engaged with the fluted disc 5, and the fluted disc 5 is fixed on the frame 9 through the second rotating shaft 51; the upper end of one side of the fluted disc 5 is rotatably connected with a front steering connecting rod 6, the lower end of the other side of the fluted disc is rotatably connected with a pull wire 7, and the front steering connecting rod 6 is connected with a front wheel rotating arm 61.

Specifically, when the steering wheel 1 rotates, so that the first rotating shaft 24 rotates along with the steering rod 2, the first gear 27 fixedly connected with the first rotating shaft 24 rotates along with the first gear, the fluted disc 5 rotates, the front steering rod 2 on the fluted disc 5 deflects along with the rotating disc 8, the front steering rod 2 drives the front wheel rotating arm 61 connected with the other end to tilt, wherein the upper end of the front wheel rotating arm 61 is connected with the front swing arm 62, the front swing arm 62 and the fluted disc 5 are connected with the frame 9 through the third rotating shaft 51, the front wheel group comprises the front wheel rotating arm 61 and a front wheel straight arm 63 connected with the front wheel rotating arm 61, the front wheel straight arm 63 is connected with the front wheel 64, the front wheel 64 rotating arm 61 deflects along with the front wheel straight arm 63 by pushing and pulling of the front steering rod 2, so as to change the orientation of the wheels, and complete the steering of the wheels.

In this embodiment, the other end of the cable 7 is rotatably connected to a turntable 8, the turntable 8 is fixed to the frame 9 by a fourth rotating shaft 81, a rear steering link 82 is rotatably connected to the upper side of the turntable 8, and the rear steering link 82 is connected to a rear wheel rotating arm 83.

Specifically, when the fluted disc 5 rotates, the rotating arm 61 of the front wheel 64 is driven to deflect, the pull wire 7 is driven to move along with the rotating arm, the other end of the pull wire 7 is connected with the rotating disc 8, the rotating disc 8 is deflected by the loose and tight pulling of the two pull wires 7, so that the rear steering connecting rod 82 connected with the rotating disc 8 moves, the other end of the rear steering connecting rod 82 is connected with the rear wheel rotating arm 83, the upper end of the rear wheel rotating arm 83 is also connected with the rear swing arm 84, the rear swing arm 84 is rotatably connected to the rear side of the frame 9 through the fourth rotating shaft 81, the lower end of the rear wheel rotating arm 83 is also connected with the rear wheel straight arm 85, the rear wheel straight arm 85 is connected with the rear wheel 86, and the rear wheel straight arm 85 is driven to deflect through the inclination of the rear wheel rotating arm 83, so.

Further, the front wheel 64 and the rear wheel 86 are both connected with hub motors, the hub motors are the existing hub motors, the hub motors are electrically connected with the control part 43, the control part 43 controls the hub motors to work, and the specific size and the model are set according to the actual automobile state.

Further, in order to protect the control component 43 from the external environment, a head cover 91 is detachably mounted at the upper end of the front side of the frame 9, the detachable mounting mode is convenient for later maintenance and overhaul of the internal control component 43, a slot is further formed in the outer side of the head cover 91, an illuminating lamp 92 is arranged in the slot, and the interior of the illuminating lamp 92 is fixed on the connecting block 25; a power supply module is fixedly arranged below the front side illuminating lamp 92 of the frame 9, the power supply module is connected with the control part 43 and the hub motor, the power supply module is connected with a charging seat 93, and the charging seat 93 is fixedly arranged on a vehicle body cover plate on the outer side of the frame 9; a protective cover 80 is fixed on the upper part of the rotary disc 8 at the rear side of the frame 9, and the protective cover 80 is used for protecting the normal work of the rotary disc 8, the pull wire 7 and the rear wheel rotating arm 83.

In another preferred embodiment of the present invention, as shown in fig. 6, two seats 10 can be vertically fixed in the middle of the frame 9, and other structures are the same as the above embodiments, so as to satisfy the requirement of two people sitting together.

The working principle is as follows:

the frame 9 is an integral frame of the device, the whole is arranged in a concave shape, the front side of the frame is in an inverted U shape, the front side end of the frame 9 is provided with a steering wheel 1, the steering wheel 1 is connected with a steering rod 2, the middle part of the steering rod 2 is connected with the upper end of the frame 9 through a fixed connecting device 3, wherein the fixed connecting device 3 comprises a connecting cylinder 31, the connecting cylinder 31 is sleeved on the steering rod 2, the outer side of the connecting cylinder 31 is sleeved with a transverse rotary cylinder 32, the transverse rotary cylinder 32 is fixedly connected with a connecting plate 33, the connecting plate 33 is connected with a longitudinal switching part 34, the longitudinal switching part 34 is fixed on the frame 9 through a fixing rod 35, the longitudinal switching part 34 rotates relative to the fixing rod 35, the longitudinal switching part 34 and the transverse rotary cylinder 32 can be connected with the connecting shaft to rotate in a small amplitude, the transverse rotary cylinder 32 and the connecting cylinder, and the steering rod 2 can greatly shake up and down, and the rotation of the fixed connecting device 3 can not influence the rotation of the steering rod 2 along with the steering wheel 1; the end part of the steering rod 2 far away from the steering wheel 1 is fixedly provided with a first connecting piece 21, the first connecting piece 21 is rotatably connected with a clamping part 22, the clamping part 22 is fixedly connected with a second connecting piece 23, the second connecting piece 23 is fixedly connected with a first rotating shaft 24, the end part of the first rotating shaft 24 far away from the second connecting piece 23 is fixedly arranged on a connecting block 25, a shaft sleeve 26 is also fixedly arranged in the connecting block 25, the first rotating shaft 24 is rotatably arranged in the shaft sleeve 26, the shaft sleeve 26 can reduce friction generated between the first rotating shaft 24 and the connecting block 25 and can well fix the first rotating shaft 24, the clamping part 22 is mainly used for transiting the connection between the steering rod 2 and the first rotating shaft 24, because the steering rod 2 is arranged in an inclined upward manner, the use by personnel is facilitated, and the first rotating shaft 24 is arranged horizontally, through the clamping part 22, the first connecting piece 21 and the second connecting piece 23, the connection between the steering rod 2 and the first rotating shaft 24 can be well transited, and the mutual shock between the steering rod 2 and the first rotating shaft 24 can be alleviated.

When the device needs to turn, the steering wheel 1 is rotated, the steering rod 2 connected with the steering wheel 1 rotates along with the rotation, the first rotating shaft 24 rotates along with the rotation through the clamping part 22, the first rotating shaft 24 drives the first gear 27 fixed on the first rotating shaft to rotate along with the rotation, the fluted disc 5 meshed with the first gear 27 rotates, the front steering rod 2 on the fluted disc 5 deflects along with the rotating disc 8, the two front steering rods 2 move to the same direction, the rotating arm 61 of the connected front wheel 64 is driven to incline towards the moving direction of the front steering rod 2, and the rotating arm 61 of the front wheel 64 drives the front wheel to rotate through the straight arm 63 of the front wheel; meanwhile, the fluted disc 5 drives the pull wire 7 to move along with the pull wire 7, the other end of the pull wire 7 is connected with the rotary table 8, the rotary table 8 deflects by the pulling of the two pull wires 7 which are loosened and tightened, so that the rear steering connecting rod 82 connected with the rotary table 8 moves, the rear wheel rotating arm 83 connected with the rear steering connecting rod 82 tilts along with the pulling, the rear wheel rotating arm 83 drives the rear side wheel to rotate through the rear wheel straight arm 85, the four-wheel steering is completed, and the integral mass center of the device is laterally deviated and more stable when the device is steered.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims (10)

1. The four-wheel steering device is characterized by comprising a steering wheel (1), a steering rod (2) connected with the steering wheel (1) and a fixed connecting device (3) connected with the steering rod (2), wherein the steering wheel (1) is fixed on a frame (9) through the fixed connecting device (3) in the middle of the steering rod (2), and the fixed connecting device (3) is used for reinforcing the connection between the steering wheel (1) and the frame (9).

2. The four-wheel steering device according to claim 1, wherein the fixed connection device (3) comprises a connection cylinder (31), the connection cylinder (31) is sleeved on the steering rod (2), a transverse drum (32) is sleeved outside the connection cylinder (31), a connection plate (33) is fixedly connected to the transverse drum (32), a longitudinal adapter portion (34) is connected to the connection plate (33), and the longitudinal adapter portion (34) is fixed on the frame (9) through a fixing rod (35).

3. The four-wheel steering device according to claim 1, characterized by further comprising a control display module (4), wherein the control display module (4) is fixedly installed at one side, close to the steering wheel (1), of the end portion of the frame (9), the control display module (4) comprises a bottom frame (41), the bottom frame (41) is fixed at the end portion of the frame (9), an arc-shaped opening is formed in the lower end of the bottom frame (41), the opening enables the steering rod (2) to penetrate through the opening, a display screen (42) is fixed in the middle of the bottom frame (41), and the display screen (42) is connected with a control component (43).

4. A four-wheel steering arrangement according to claim 3, characterised in that a fixed bracket (44) is fixed in the frame (9), said fixed bracket (44) being located on the upper side of the steering rod (2); the control parts (43) are respectively fixed on the fixed brackets (44) and are positioned at two sides of the steering rod (2).

5. A four-wheel steering device according to claim 4, characterized in that a first connecting piece (21) is fixed on the end of the steering rod (2) far away from the steering wheel (1), and the first connecting piece (21) is rotatably connected with a clamping part (22).

6. A four-wheel steering device according to claim 5, wherein said catching portion (22) is fixedly connected with a second connecting member (23), and said second connecting member (23) is fixedly connected with a first rotating shaft (24).

7. A four-wheel steering system according to claim 6, wherein the end of the first shaft (24) remote from the second connecting member (23) is fixed to a connecting block (25), a sleeve (26) is fixed in the connecting block (25), and the first shaft (24) is rotatably disposed in the sleeve (26).

8. A four-wheel steering arrangement according to claim 6, wherein a first gear (27) is fixedly connected to the first shaft (24), the first gear (27) engaging with a toothed disc (5), the toothed disc (5) being fixed to the frame (9) via a second shaft (51).

9. A four-wheel steering device according to claim 8, wherein the fluted disc (5) is rotatably connected with a front steering connecting rod (6) at one side upper end and a pull wire (7) at the other side lower end, wherein the front steering connecting rod (6) is connected with a front wheel rotating arm (61).

10. A four-wheel steering device according to claim 9, characterized in that the other end of the pull wire (7) is rotatably connected with a rotary plate (8), the rotary plate (8) is fixed on the vehicle frame (9) through a fourth rotating shaft (81), a rear steering connecting rod (82) is rotatably connected on the upper side of the rotary plate (8), and the rear steering connecting rod (82) is connected with a rear wheel rotating arm (83).

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