CN208593473U - Steering structure and vehicle with it - Google Patents

Abstract

The utility model provides a kind of steering structure and the vehicle with it, wherein steering structure includes: mounting bracket, and mounting bracket has installation cavity；Drive shaft, drive shaft, which is rotatably arranged in mounting bracket and passes through installation cavity, to be arranged, and the lower end of drive shaft is the torque output for driving front vehicle wheel to rotate；Adapter, adapter are set in the lower end on drive shaft and being located at drive shaft, are formed between adapter and drive shaft and accommodate gap；Swelling part, the setting of at least part swelling part are accommodating in gap, and the deformation of swelling part is adapter and drive shaft to be fastenedly connected.The utility model, which solves the connection type between the shaft and adapter of steering structure in the prior art, not only will increase the assembly complexity of steering structure, the junction for also resulting in the two, which is easy to produce, relatively rotates gap, the problem of influencing the stability that torque transmits, being unfavorable for the accurate control rotated to front vehicle wheel.

Description

Steering structure and vehicle with it

Technical field

The utility model relates to technical field of vehicle, in particular to a kind of steering structure and with its vehicle.

Background technique

Existing vehicle, such as bicycle, motorcycle and the automobile of two-wheeled or three-wheel, are all made of the shape of single front-wheel steer Formula is turned, and is usually provided with steering structure on the vehicle of the above-mentioned type.

Steering structure is rotated by drive shaft, and shaft drives the adapter that connect with the front vehicle wheel of vehicle to rotate, with for Front vehicle wheel provides rotation torque, and by traditional key connection between existing shaft and adapter, this connection type is not only It will increase the assembly complexity of steering structure, and the junction of shaft and adapter is easy to produce and relatively rotates gap, shadow The stability for ringing torque transmitting is unfavorable for the accurate control rotated to front vehicle wheel.

Utility model content

The main purpose of the utility model is to provide a kind of steering structure and with its vehicle, to solve the prior art In steering structure shaft and adapter between connection type not only will increase the assembly complexity of steering structure, simultaneously Cause the junction of the two to be easy to produce and relatively rotate gap, influence the stability of torque transmitting, is unfavorable for rotating front vehicle wheel Accurate control the problem of.

To achieve the goals above, one aspect according to the present utility model provides a kind of steering structure, for driving The front vehicle wheel of vehicle rotates；It include: mounting bracket, mounting bracket has installation cavity；Drive shaft, drive shaft are rotationally set It sets in mounting bracket and passes through installation cavity and be arranged, and the lower end of drive shaft is the torque output for driving front vehicle wheel to rotate End；Adapter, adapter are set in the lower end on drive shaft and being located at drive shaft, are formed between adapter and drive shaft Accommodate gap；Swelling part, the setting of at least part swelling part are accommodating in gap, and the deformation of swelling part is to turn adapter and transmission Axis is fastenedly connected.

Further, swelling part includes: deformation ring, and deformation ring set is located on drive shaft；Screw is driven, driving screw can It is rotatably arranged on deformation ring, to drive the thickness of radial direction of deformation ring to change.

Further, the bottom end of mounting bracket has the first via hole being connected to installation cavity, and drive shaft passes through the first mistake Hole setting, steering structure further include that spring bearing and bearing rib are female, and spring bearing and bearing rib mother are set on drive shaft, Wherein, spring bearing connect with mounting bracket and is located at the first via hole, and bearing rib mother abuts with spring bearing and is located at support The side far from the first via hole of bearing.

Further, the top of mounting bracket has the second via hole being connected to installation cavity, and steering structure further includes motor And retarder, wherein motor is connected by the upper end of retarder and drive shaft, and retarder connect with mounting bracket and is located at the At two via holes.

Further, steering structure further includes the corner measuring apparatus being arranged in installation cavity, and corner measuring apparatus includes External stator and internal rotor, wherein external stator is connect with mounting bracket, and internal rotor is arranged on drive shaft.

Further, steering structure further includes that pressure is female, and internal rotor is fixedly connected by pressure mother with drive shaft.

Further, corner measuring apparatus is used to detect the rotation angle of internal rotor, and being sent out includes internal rotor Rotation angle information detection signal, steering structure further includes controller, and controller works as rotation angle for receiving detection signal When degree information reaches preset angle angle value, controller control motor stops working.

Further, preset angle angle value is more than or equal to 30 degree and is less than or equal to 35 degree.

Further, retarder is RV retarder.

Another aspect according to the present utility model, provides a kind of vehicle, and vehicle includes vehicle body, suspension and front vehicle wheel, In, front vehicle wheel is connect by suspension with vehicle body, and vehicle further includes steering structure, and steering structure is arranged on vehicle body and drives with suspension Dynamic connection, to drive front vehicle wheel to rotate, steering structure is above-mentioned steering structure.

Using the technical solution of the utility model, swelling is arranged by the receiving gap location in drive shaft and adapter Part, the deformation of swelling part is adapter and drive shaft to be fastenedly connected.In this way, operator is in contraction state in swelling part When, just at least part swelling part can be placed into and be accommodated in gap, its deformation, shape are adjusted such that swelling part later Swelling part filling after change accommodates gap, and generates interference fit with drive shaft and adapter, connects three steadily, with It realizes and rotates synchronously, it is seen then that the steering structure of the application is not only convenient for the assembly connection between drive shaft and adapter, and The connective stability between drive shaft and adapter is improved, avoids drive shaft and adapter from relatively rotating, favorably Turning moment is transmitted by adapter front wheels in drive shaft, and realizes the accurate control rotated to front vehicle wheel.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows a kind of partial structural diagram of the vehicle of alternative embodiment according to the present utility model；

Fig. 2 shows the structural schematic diagrams of the steering structure of the vehicle in Fig. 1.

Wherein, the above drawings include the following reference numerals:

1, vehicle body；2, suspension；3, front vehicle wheel；4, steering structure；10, mounting bracket；11, installation cavity；12, the first via hole； 13, the second via hole；20, drive shaft；30, adapter；31, gap is accommodated；40, swelling part；41, deformation ring；42, spiral shell is driven Nail；50, spring bearing；60, bearing rib is female；70, motor；80, retarder；90, corner measuring apparatus；91, external stator；92, interior Rotor；100, pressure is female.

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.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.

The connection type between shaft and adapter in order to solve steering structure in the prior art, which not only will increase, to be turned To the assembly complexity of structure, the junction for also resulting in the two, which is easy to produce, relatively rotates gap, influences torque transmitting Stability, the problem of being unfavorable for the accurate control rotated to front vehicle wheel, the utility model provides a kind of steering structure and vehicle, Wherein, as shown in Figure 1, vehicle includes vehicle body 1, suspension 2 and front vehicle wheel 3, front vehicle wheel 3 is connect by suspension 2 with vehicle body 1, vehicle It further include steering structure 4, steering structure 4 is arranged on vehicle body 1 and is drivingly connected with suspension 2, to drive front vehicle wheel 3 to rotate, turns It is above-mentioned and following steering structure to structure 4.

As shown in Fig. 2, the steering structure for driving the front vehicle wheel 3 of vehicle to rotate includes mounting bracket 10, drive shaft 20, adapter 30 and swelling part 40, mounting bracket 10 have installation cavity 11, and drive shaft 20 is rotatably arranged in mounting bracket On 10 and the setting of installation cavity 11 is passed through, and the lower end of drive shaft 20 is the torque output for driving front vehicle wheel 3 to rotate, and is turned Fitting 30 is set in the lower end on drive shaft 20 and being located at drive shaft 20, is formed and is held between adapter 30 and drive shaft 20 Receive gap 31, the setting of at least part swelling part 40 is accommodating in gap 31, and 40 deformation of swelling part is with by adapter 30 and transmission Shaft 20 is fastenedly connected.

By the way that swelling part 40 is arranged at the receiving gap 31 of drive shaft 20 and adapter 30,40 deformation of swelling part is to incite somebody to action Adapter 30 is fastenedly connected with drive shaft 20.In this way, operator is when swelling part 40 is in contraction state, it just can be near Few a part of swelling part 40, which is placed into, to be accommodated in gap 31, its deformation is adjusted such that swelling part 40 later, after deformation The filling of swelling part 40 accommodates gap 31, and generates interference fit with drive shaft 20 and adapter 30, connects three steadily, It is rotated synchronously with realizing, it is seen then that the steering structure of the application is not only convenient for the company of the assembly between drive shaft 20 and adapter 30 It connects, and improves the connective stability between drive shaft 20 and adapter 30, drive shaft 20 and adapter 30 is avoided to send out It is raw to relatively rotate, be conducive to drive shaft 20 by 30 front wheels 3 of adapter and transmit turning moment, and realize to front vehicle wheel 3 The accurate control of rotation.

In the present embodiment, as shown in Fig. 2, swelling part 40 includes deformation ring 41 and driving screw 42, deformation ring 41 is arranged On drive shaft 20, driving screw 42 is rotatably arranged on deformation ring 41, to drive the radial direction of deformation ring 41 Thickness changes.In this way, operator is driven by turn-knob, screw 42 just can be realized the surface of deformation ring 41 and transmission turns The outer surface of axis 20 and the inner surface of adapter 30 generate interference fit connection.

As shown in Fig. 2, the bottom end of mounting bracket 10 has the first via hole 12 being connected to installation cavity 11, drive shaft 20 is worn The setting of the first via hole 12 is crossed, steering structure further includes spring bearing 50 and bearing rib mother 60, spring bearing 50 and bearing rib mother 60 It is set on drive shaft 20, wherein spring bearing 50 connect and is located at the first via hole 12, bearing rib with mounting bracket 10 Mother 60 abuts with spring bearing 50 and is located at the side far from the first via hole 12 of spring bearing 50.The setting of spring bearing 50 mentions The high rotational stability of drive shaft 20, bearing rib mother 60 enable to bearing rib mother 60 steadily to connect with mounting bracket 10 It connects.

As shown in Fig. 2, the top of mounting bracket 10 has the second via hole 13 being connected to installation cavity 11, steering structure is also wrapped Include motor 70 and retarder 80, wherein motor 70 is connect by retarder 80 with the upper end of drive shaft 20, retarder 80 and peace Bracket 10 is filled to connect and be located at the second via hole 13.In this way, the steering structure of the application matching by motor 70 and retarder 80 The steering for closing driving front vehicle wheel 3, realizes the output of large torque, convenient for the steering-by-wire operation to front vehicle wheel 3.

Optionally, retarder 80 is RV retarder.It should be noted that RV retarder and traditional Cycloid drive side Formula is compared, with compact-sized, light-weight, transmission ratio is big, the service life is long, precision keeps stable, high-efficient, stable drive and anti-impact The strong feature of power is hit, and RV retarder has self-locking function, in case of emergency or vehicle is in the case where stopping working Under can be realized locking to drive shaft 20, improve the property easy to use and safety of vehicle.

As shown in Fig. 2, steering structure further includes the corner measuring apparatus 90 being arranged in installation cavity 11, corner measuring apparatus 90 include external stator 91 and internal rotor 92, wherein external stator 91 is connect with mounting bracket 10, and internal rotor 92 is arranged in drive shaft On 20.In this way, capableing of the rotational angle of effectively measuring front vehicle wheel 3 out by corner measuring apparatus 90.

Specifically, corner measuring apparatus 90 is used to detect the rotation angle of internal rotor 92, and it includes interior for being sent out The detection signal of the rotation angle information of rotor 92, steering structure further include controller, and controller detects signal for receiving, when When rotation angle information reaches preset angle angle value, controller control motor 70 stops working.

Certainly, the vehicle of the application also has display element, and display element can receive the rotation angle containing internal rotor 92 The detection signal of information is spent, to show the turn direction of vehicle and the rotation angle of front vehicle wheel 3, for driver in order to drive Member realizes the automation control to vehicle.

Optionally, preset angle angle value is more than or equal to 30 degree and is less than or equal to 35 degree.Preferably, preset angle angle value be 32 degree or 35 degree.Wherein, for the limit with touch switch, preset angle angle value is arranged at 32 degree, for the limit of mechanical limit switch Position, preset angle angle value are arranged at 35 degree.

As shown in Fig. 2, in order to improve the connective stability of internal rotor 92 Yu drive shaft 20, steering structure further includes that pressure is female 100, internal rotor 92 is fixedly connected by pressure mother 100 with drive shaft 20.

It can be seen from the above description that the above-mentioned steering structure of the utility model has the advantages that

1, steering structure has the function of to cut off self-lock；

2, steering structure can reliably measure the rotation angle of drive shaft 20；

3, large torque easily can be transmitted to front vehicle wheel 3 by drive shaft 20 by steering structure；

4, the integral rigidity and intensity of steering structure are big, have very strong impact resistance；

5, steering structure takes up space small, and structure is simple, rationally distributed, high reliablity.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with In attached drawing afterwards do not need that it is further discussed.

In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally, Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself Wide is inside and outside.

For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and And respective explanations are made to the opposite description in space used herein above.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or their combination.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of steering structure, for driving the front vehicle wheel (3) of vehicle to rotate；It is characterised by comprising:

Mounting bracket (10), the mounting bracket (10) have installation cavity (11)；

Drive shaft (20), the drive shaft (20) are rotatably arranged on the mounting bracket (10) and pass through the peace Behave affectedly (11) setting, and the lower end of the drive shaft (20) be for drive the front vehicle wheel (3) rotate torque output；

Adapter (30), the adapter (30) are set on the drive shaft (20) and are located at the drive shaft (20) Lower end forms between the adapter (30) and the drive shaft (20) and accommodates gap (31)；

Swelling part (40), at least part swelling part (40) setting is in the receiving gap (31), the swelling part (40) deformation is the adapter (30) and the drive shaft (20) to be fastenedly connected.

2. steering structure according to claim 1, which is characterized in that the swelling part (40) includes:

Deformation ring (41), the deformation ring (41) are set on the drive shaft (20)；

It drives screw (42), the driving screw (42) is rotatably arranged on the deformation ring (41), to drive the shape The thickness for the radial direction for becoming ring (41) changes.

3. steering structure according to claim 1, which is characterized in that the bottom end of the mounting bracket (10) have with it is described The first via hole (12) of installation cavity (11) connection, the drive shaft (20) are arranged across first via hole (12), and described turn It further include that spring bearing (50) and bearing rib are female (60) to structure, the spring bearing (50) and the bearing rib female (60) cover It is located on the drive shaft (20), wherein the spring bearing (50) connect with the mounting bracket (10) and is located at described At first via hole (12), the bearing rib female (60) abuts with the spring bearing (50) and is located at the spring bearing (50) Side far from first via hole (12).

4. steering structure according to claim 1, which is characterized in that the top of the mounting bracket (10) have with it is described The second via hole (13) of installation cavity (11) connection, the steering structure further includes motor (70) and retarder (80), wherein described Motor (70) is connect by the retarder (80) with the upper end of the drive shaft (20), the retarder (80) and the peace Bracket (10) are filled to connect and be located at second via hole (13).

5. steering structure according to claim 4, which is characterized in that the steering structure further includes being arranged in the installation Corner measuring apparatus (90) in chamber (11), the corner measuring apparatus (90) include external stator (91) and internal rotor (92), In, the external stator (91) connect with the mounting bracket (10), and the internal rotor (92) is arranged in the drive shaft (20) On.

6. steering structure according to claim 5, which is characterized in that the steering structure further includes pressing female (100), described Internal rotor (92) is fixedly connected by the pressure female (100) with the drive shaft (20).

7. steering structure according to claim 5, which is characterized in that the corner measuring apparatus (90) is described for detecting The rotation angle of internal rotor (92), and be sent out include the internal rotor (92) rotation angle information detection signal, The steering structure further includes controller, and the controller is for receiving the detection signal, when the rotation angle information reaches When to preset angle angle value, the controller controls the motor (70) and stops working.

8. steering structure according to claim 7, which is characterized in that the preset angle angle value is more than or equal to 30 degree and is less than Equal to 35 degree.

9. steering structure according to claim 4, which is characterized in that the retarder (80) is RV retarder.

10. a kind of vehicle, the vehicle includes vehicle body (1), suspension (2) and front vehicle wheel (3), wherein the front vehicle wheel (3) passes through The suspension (2) connect with the vehicle body (1), which is characterized in that the vehicle further includes steering structure (4), the steering knot Structure (4) is arranged on the vehicle body (1) and is drivingly connected with the suspension (2), described to drive the front vehicle wheel (3) to rotate Steering structure (4) steering structure as claimed in any one of claims 1 to 9.