CN215622231U - Steering wheel assembly and mobile carrier - Google Patents

Abstract

The application provides a steering wheel assembly and a movable carrier, wherein the steering wheel assembly comprises a steering wheel main body, a mandrel, a base, a torsion spring, a limiting piece and a limiting disc, the mandrel is arranged on the steering wheel main body, and the mandrel and the base are rotatably matched; the limiting part is connected with the mandrel, and the limiting disc is connected with the base; the torsion spring is sleeved outside the mandrel, one end of the torsion spring is connected with the limiting part, the other end of the torsion spring is connected with the limiting disc, and the torsion spring is used for enabling the rotating steering wheel main body to have a reset movement trend; the limiting part can be abutted against the limiting disc when the steering wheel main body rotates, so that the rotating angle of the steering wheel main body relative to the base is limited. The steering wheel assembly has compact structure, small volume and convenient assembly; and the automatic aligning mechanism is simple and has high reliability.

Description

Steering wheel assembly and mobile carrier

Technical Field

The utility model relates to the field of steering mechanisms, in particular to a steering wheel assembly and a movable carrier.

Background

The wire control steering wheel used by the current automobile or game equipment generally has the problems of poor simulation hand feeling, incapability of automatically aligning or unreliable aligning mechanism and the like, and part of the wire control steering wheel has complex structure and large volume and is inconvenient to install in a space with size limitation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steering wheel assembly and a movable carrier, which have small integral volume, small space required by installation and convenient installation; the automatic resetting can be realized, and the reliability is high; and the rotation angle is limited, and the safety is high.

The embodiment of the utility model is realized by the following steps:

in a first aspect, the present invention provides a steering wheel assembly comprising:

the steering wheel comprises a steering wheel main body, a mandrel, a base, a torsion spring, a limiting piece and a limiting disc, wherein the mandrel is arranged on the steering wheel main body and is rotatably matched with the base; the limiting part is connected with the mandrel, and the limiting disc is connected with the base; the torsion spring is sleeved outside the mandrel, one end of the torsion spring is connected with the limiting part, the other end of the torsion spring is connected with the limiting disc, and the torsion spring is used for enabling the rotating steering wheel main body to have a reset movement trend; the limiting part can be abutted against the limiting disc when the steering wheel main body rotates, so that the rotating angle of the steering wheel main body relative to the base is limited.

In an alternative embodiment, the spindle is rotatably engaged with the base by a bearing.

In an alternative embodiment, the base comprises a mounting cylinder and a mounting plate which are connected, and the mandrel and the bearing are both positioned in a cylinder cavity of the mounting cylinder; the mounting plate is used for being connected with the frame.

In an optional embodiment, the base further comprises a plurality of mounting lugs, and the plurality of mounting lugs are connected with one end face of the mounting cylinder and are arranged at intervals in the circumferential direction of the mounting cylinder; the limiting disc is fixedly connected with the plurality of mounting lugs.

In an optional embodiment, the mandrel has a mounting shaft section, the limiting member is sleeved outside the mounting shaft section, and the limiting member and the mounting shaft section are relatively fixed in the circumferential direction of the mounting shaft section.

In an alternative embodiment, the mounting shaft segment is non-circular in cross-section; the limiting piece is provided with a sleeve hole, and the cross section of the sleeve hole is non-circular; the mounting shaft section is inserted in the sleeve hole.

In an alternative embodiment, the cross-sectional shape of the mounting shaft segment is square or oval.

In an alternative embodiment, the limiting member has a first limiting protrusion, and the limiting disc has a second limiting protrusion, and the second limiting protrusion is configured to abut against the first limiting protrusion when the limiting member rotates relative to the limiting disc, so as to limit the rotation angle of the steering wheel main body.

In an alternative embodiment, the steering wheel assembly further comprises an angle measurer, and the angle measurer is connected with the limiting plate and used for measuring the rotation angle of the mandrel relative to the base.

In a second aspect, the present invention provides a transportable carrier comprising:

the steering wheel assembly of any of the preceding embodiments.

The embodiment of the utility model has the beneficial effects that:

to sum up, the steering wheel assembly that this embodiment provided, locating part and spacing dish cooperation are used, not only play the effect of assembly torsional spring, still play the effect of restriction steering wheel main part rotation range, compact structure, small, the required space of installation is little, convenient assembling, accommodation is wide. In the use, when the application of force makes it rotate in the steering wheel main part, the moment of torsion through the torsional spring simulates the damping of steering wheel pivoted, brings the driving and feels, drives the automatic aligning of steering wheel through the elasticity of torsional spring and resets. Meanwhile, in the rotating process of the steering wheel main body, the limiting part can be abutted against the limiting disc, so that the rotating angle range is limited, and the safety is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a steering wheel assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a steering wheel assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a fixing plate and a mandrel of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a position limiting component according to an embodiment of the utility model;

fig. 5 is a schematic structural view of a limiting disc according to an embodiment of the present invention.

Icon:

100-a steering wheel body; 110-an arc-shaped rod; 120-a connecting plate; 121-a first fixing hole; 130-spokes; 200-a mandrel; 210-a first shaft section; 220-a second shaft section; 230-a third axis segment; 300-a base; 310-mounting the barrel; 320-a mounting plate; 330-mounting lugs; 400-torsion spring; 500-a stop; 510-a substrate; 511-a socket hole; 520-a stationary lobe; 530-a first limit projection; 600-a limiting disc; 610-a limiting hole; 620-avoidance hole; 630-a second limit projection; 700-fixing plate; 710-a second fixation hole; 800-an angle measurer; 900-bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, the steering wheel module is large in size, large in installation space and inconvenient to install. In addition, the steering wheel module aligning mechanism is complex and has poor reliability.

Referring to fig. 1-5, in view of this, designers have designed a steering wheel assembly that is compact in structure, small in size, small in space required for installation, and strong in adaptability; meanwhile, the aligning mechanism is simple and reliable.

Referring to fig. 1 and 2, in the present embodiment, the steering wheel assembly includes a steering wheel main body 100, a spindle 200, a base 300, a torsion spring 400, a limiting member 500 and a limiting plate 600, the spindle 200 is disposed on the steering wheel main body 100, and the spindle 200 is rotatably engaged with the base 300; the limiting member 500 is connected with the mandrel 200, and the limiting disc 600 is connected with the base 300; the torsion spring 400 is sleeved outside the mandrel 200, one end of the torsion spring 400 is connected with the limiting piece 500, the other end of the torsion spring 400 is connected with the limiting disc 600, and the torsion spring 400 is used for enabling the steering wheel main body 100 after rotation to have a reset movement trend; the limiting member 500 can abut against the limiting plate 600 when the steering wheel main body 100 rotates, so as to limit the rotation angle of the steering wheel main body 100 relative to the base 300.

The steering wheel assembly that this embodiment provided, locating part 500 and spacing dish 600 cooperate and use, not only play the effect of assembling torsional spring 400, still play the effect of restriction steering wheel main part 100 rotation range, will return just with two kinds of structure integrations of spacing together, overall structure is compact, small, the required space of installation is little, convenient assembling, accommodation is wide. Specifically, in the use, when application of force made it rotate in steering wheel main part 100, the moment of torsion through torsional spring 400 simulates steering wheel pivoted damping, brings and drives and feels, and the moment of torsion through torsional spring 400 drives the steering wheel motion and restores to the throne in order to realize that the steering wheel is from moving back, and torsional spring 400's stability is high, and the steering wheel returns to just the reliability height. Meanwhile, in the rotation process of the steering wheel main body 100, the limiting member 500 can abut against the limiting plate 600, so that the rotation angle range of the steering wheel main body 100 is limited, and the safety is improved.

Referring to fig. 2, in the present embodiment, optionally, the steering wheel main body 100 includes an arc-shaped rod 110, a connecting plate 120 and three spokes 130, one end of each of the three spokes 130 is collected and connected to the connecting plate 120, the other end of each of the three spokes 130 is connected to the arc-shaped rod 110, and the three spokes 130 are arranged at intervals in the extending direction of the arc-shaped rod 110. It should be understood that the number of the spokes 130 is not limited to three, and in other embodiments, the number of the spokes 130 may be one, two, four, etc., and may be set as needed, which is not listed in this embodiment.

Optionally, the connecting plate 120 is provided with a plurality of first fixing holes 121, each first fixing hole 121 is configured as a circular hole, and the plurality of first fixing holes 121 are arranged at intervals.

Referring to fig. 3, in the embodiment, a fixing plate 700 is disposed at an end of the mandrel 200, second fixing holes 710 are disposed on the fixing plate 700, the number of the second fixing holes 710 is equal to the number of the first fixing holes 121, and the plurality of second fixing holes 710 are in one-to-one correspondence with the plurality of first fixing holes 121. The fixing plate 700 is fixedly connected to the connecting plate 120 by bolts, so that the spindle 200 is fixedly connected to the steering wheel main body 100, and the steering wheel main body 100 rotates to drive the spindle 200 to rotate together.

Optionally, the mandrel 200 includes a first shaft segment 210, a second shaft segment 220, and a third shaft segment 230, which are connected in sequence, the first shaft segment 210, the second shaft segment 220, and the third shaft segment 230 are coaxially disposed, a cross-sectional outer contour of the first shaft segment 210 is circular, a cross-sectional outer contour of the second shaft segment 220 is non-circular, and a cross-sectional outer contour of the third shaft segment 230 is circular. For example, the second shaft section 220 has a square or oval cross-sectional outer profile. Wherein the cross-section is a plane perpendicular to the axis of the mandrel 200. The second shaft segment 220 is used for assembling the limiting member 500, and the second shaft segment 220 may also be referred to as a mounting shaft segment. Furthermore, a cross section may also be referred to as a cross section.

The connecting plate 120 is fixedly connected to an end of the first shaft segment 210 away from the second shaft segment 220. Specifically, the connecting plate 120 may be sleeved outside the first shaft segment 210 and welded and fixed with the first shaft segment 210.

In this embodiment, the base 300 optionally includes a mounting cylinder 310, a mounting plate 320, and two mounting lugs 330. The mounting cylinder 310 is connected to the mounting plate 320, and two mounting lugs 330 are connected to an end surface of the mounting cylinder 310.

Optionally, the mounting cylinder 310 is a cylinder, and an outer circumferential surface of the mounting cylinder 310 is fixedly connected to one plate surface of the mounting plate 320. The mounting plate 320 is provided with a through hole for passing a screw or a bolt. Two installation lugs 330 are all arranged on an annular end face of the installation cylinder 310, and the two installation lugs 330 are arranged in central symmetry. A threaded hole is provided in each mounting lug 330.

It should be understood that the mounting cylinder 310 and the mounting plate 320 may be fixedly connected by welding. The mounting barrel 310 and the two mounting lugs 330 may be formed in an integral manner.

In addition, in other embodiments, the number of the mounting lugs 330 is not limited to two, for example, the number of the mounting lugs 330 may also be three, four, etc., and is not particularly limited in this embodiment. When the number of the mounting lugs 330 is plural, the plural mounting lugs 330 are arranged at regular intervals on the annular end surface of the mounting cylinder 310.

Referring to fig. 4, in the present embodiment, optionally, the limiting member 500 includes a base plate 510, a fixing protrusion 520 and a first limiting protrusion 530, which are integrally formed, the fixing protrusion 520 and the first limiting protrusion 530 are both disposed on the same plate surface of the base plate 510, and the fixing protrusion 520 and the first limiting protrusion 530 are arranged at intervals. The middle part of the substrate 510 is provided with a sleeve hole 511, the cross section of the sleeve hole 511 is non-circular, the cross section profile shape of the sleeve hole 511 is the same as the cross section profile shape of the second shaft section 220, the limiting member 500 is sleeved outside the second shaft section 220 by the sleeve hole 511, and the two are relatively fixed in the circumferential direction of the second shaft section 220, so that the limiting member 500 can be driven to rotate together when the mandrel 200 rotates.

Referring to fig. 5, in the present embodiment, optionally, the limiting disc 600 is provided with a limiting hole 610 and an avoiding hole 620 which are coaxial and communicated, and a bore diameter of the limiting hole 610 is larger than a bore diameter of the avoiding hole 620. The wall of the limiting hole 610 is provided with a second limiting protrusion 630. The spacing plate 600 is fixedly connected with the plurality of mounting lugs 330 by screws or bolts.

When the torsion spring 400, the limiting member 500 and the limiting plate 600 are assembled, the torsion spring 400 is located between the fixing protrusion 520 and the first limiting protrusion 530, one end of the torsion spring 400 is inserted into the fixing protrusion 520, and the fixing protrusion 520 is used to limit one end of the torsion spring 400. The other end of torsional spring 400 is connected with spacing dish 600, through the other end of spacing dish 600 restriction torsional spring 400, so, when the application of force drives dabber 200 in steering wheel main part 100 and turns to, when dabber 200 drives locating part 500 and rotates for spacing dish 600, locating part 500 drives torsional spring 400 and rotates to make torsional spring 400 have the elasticity of replying deformation, after removing the external force that exerts on steering wheel main part 100, torsional spring 400 drives locating part 500 and resets, steering wheel main part 100 returns and just. The limiting member 500 is inserted into the limiting hole 610 of the limiting plate 600, and the first limiting protrusion 530 can abut against the second limiting protrusion 630 when rotating, so as to limit the rotating angle range of the steering wheel main body 100. For example, the first limit projection 530 and the second limit projection 630 cooperate such that the steering wheel main body 100 is rotated in a forward direction by an angle not greater than 90 ° and the steering wheel main body 100 is rotated in a reverse direction by an angle not greater than 90 °. Obviously, the angle of rotation of the steering wheel main body 100 is set as needed, and is not limited to rotation within a range of ± 90 °.

In this embodiment, optionally, the mandrel 200 is inserted into the mounting cylinder 310 through the bearing 900. Specifically, the number of the bearings 900 is two, the inner rings of the two bearings 900 are all sleeved outside the first shaft section 210, and the outer rings of the two bearings 900 are all fixed on the inner cylinder wall of the installation cylinder 310.

In this embodiment, optionally, the steering wheel assembly further includes an angle measuring device 800, and the angle measuring device 800 is connected to the limiting disc 600 and is used for measuring a rotation angle of the spindle 200 relative to the base 300. Specifically, the angle measuring device 800 is configured as a potentiometer and is installed on one side of the limiting plate 600 away from the limiting member 500. Third shaft segment 230 of mandrel 200 is inserted through angular gauge 800 after passing through clearance hole 620. The angle measurer 800 can detect the rotation angle of the spindle 200, thereby acquiring the rotation angle of the steering wheel main body 100.

The steering wheel assembly that this embodiment provided, compact structure, small, the installation required space is little, convenient assembling, accommodation is wide. Further, the turning angle of the steering wheel main body 100 is restricted, and the safety in use is high.

The embodiment also provides a mobile carrier, which comprises the steering wheel assembly mentioned in the embodiment. The mobile carrier may be a toy vehicle. The steering wheel assembly is in communication connection with a steering control unit of the movable carrier, namely, the potentiometer is in communication connection with the steering control unit, when the potentiometer acquires the rotation angle information of the steering wheel main body 100, the angle information is transmitted to a controller of the steering control unit, and the controller controls the wheel body to rotate by a corresponding angle according to the angle information to realize steering.

It should be understood that the mobile carrier provided by the present embodiment can be applied to, but not limited to, robots, electric vehicles, game simulators, and the like.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A steering wheel assembly, comprising:

the steering wheel comprises a steering wheel main body (100), a mandrel (200), a base (300), a torsion spring (400), a limiting piece (500) and a limiting disc (600), wherein the mandrel (200) is arranged on the steering wheel main body (100), and the mandrel (200) is rotatably matched with the base (300); the limiting piece (500) is connected with the mandrel (200), and the limiting disc (600) is connected with the base (300); the torsion spring (400) is sleeved outside the mandrel (200), one end of the torsion spring (400) is connected with the limiting piece (500), the other end of the torsion spring (400) is connected with the limiting disc (600), and the torsion spring (400) is used for enabling the steering wheel main body (100) after rotation to have a reset movement trend; the limiting piece (500) can be abutted against the limiting disc (600) when the steering wheel main body (100) rotates, so that the rotation angle of the steering wheel main body (100) relative to the base (300) is limited.

2. The steering wheel assembly of claim 1, wherein:

the mandrel (200) is rotatably engaged with the base (300) through a bearing (900).

3. The steering wheel assembly of claim 2, wherein:

the base (300) comprises a mounting cylinder (310) and a mounting plate (320) which are connected, and the mandrel (200) and the bearing (900) are both positioned in a cylinder cavity of the mounting cylinder (310); the mounting plate (320) is used for being connected with a vehicle frame.

4. The steering wheel assembly of claim 3, wherein:

the base (300) further comprises a plurality of mounting lugs (330), and the mounting lugs (330) are connected with one end face of the mounting cylinder (310) and are arranged at intervals in the circumferential direction of the mounting cylinder (310); the limiting disc (600) is fixedly connected with the mounting lugs (330).

5. The steering wheel assembly of claim 1, wherein:

the mandrel (200) is provided with an installation shaft section, the limiting piece (500) is sleeved outside the installation shaft section, and the limiting piece (500) and the installation shaft section are relatively fixed in the circumferential direction of the installation shaft section.

6. The steering wheel assembly of claim 5, wherein:

the cross section of the mounting shaft section is non-circular; the limiting piece (500) is provided with a sleeving hole (511), and the cross section of the sleeving hole (511) is non-circular; the mounting shaft section is inserted in the sleeving hole (511).

7. The steering wheel assembly of claim 6, wherein:

the cross section of the mounting shaft section is square or oval.

8. The steering wheel assembly of claim 1, wherein:

the limiting member (500) is provided with a first limiting convex part (530), the limiting disc (600) is provided with a second limiting convex part (630), and the second limiting convex part (630) is used for abutting against the first limiting convex part (530) when the limiting member (500) rotates relative to the limiting disc (600) so as to limit the rotating angle of the steering wheel main body (100).

9. The steering wheel assembly of claim 1, wherein:

the steering wheel assembly further comprises an angle measurer (800), wherein the angle measurer (800) is connected with the limiting disc (600) and is used for measuring the rotation angle of the mandrel (200) relative to the base (300).

10. A transportable carrier, comprising:

the steering wheel assembly of any of claims 1-9.

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