CN201685869U

CN201685869U - Turning auxiliary device of a car steering wheel

Info

Publication number: CN201685869U
Application number: CN2009201561629U
Authority: CN
Inventors: 罗祥华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-17
Filing date: 2009-06-17
Publication date: 2010-12-29
Anticipated expiration: 2019-06-17

Abstract

The utility model relates to a turning auxiliary device of a car steering wheel; the turning auxiliary device is arranged at a spoke 2 near the wheel edge 1 of the steering wheel and consists of a strut 5 and a turning disc 4; and the turning disc 4 consists of four parts, including a rolling bearing, the inner race extending section 10 of the rolling bearing, the outer race extending section 11 of the rolling bearing, and the axial stress covering surface 12 of the outer race. When the car slowly turns or puts into and puts off a parking space, a driver only needs to press the steering wheel 4 by the palm of one hand to turn, and then the steering of the steering wheel can be achieved incessantly and smoothly; and the palm is not required to change with the changing of the direction of the steering wheel, while the other hand can carry out gearshift transformation or other operations. The physical payout and the attention dispersing of the driver can be reduced by adopting the turning disc to turn the steering wheel.

Description

A kind of auxiliary device for rotation of steering wheel of car

Technical field

The utility model relates to a kind of auxiliary device for rotation of vehicle steering, is arranged on the spoke of vehicle steering, can finish steering wheel rotation incessantly with single hand.

Background technology

At present, automobile chaufeur when carrying out straight-line travelling grips bearing circle with parallel posture usually, when making motor turning, then must grip the wheel rim of bearing circle by chaufeur, spur bearing circle with two hands in the heavy-handed mode replaced of reestablishing diplomatic relations of a hand and another and implement to turn to.When sail at automobile, when rolling the parking stall away from, chaufeur is had in the gear shifting handle repetitive operation between pattern that moves forward and backward, if because of the bearing circle rotation amplitude big, chaufeur is difficult to come steering wheel rotation by the mode of above-mentioned intersection both hands, can occur that the chaufeur steering operation has some setbacks and the phenomenon of dispersion attention.

At present, the ancillary technique of steering wheel rotation has number of patent application 961096063 and number of patent application 200410071777.3 etc., but technology of the present invention is different with it or improvement arranged.

Summary of the invention

In order to address the above problem, the purpose of this utility model is a kind of auxiliary device for rotation of steering wheel of car as shown in Figure 1 of exploitation, auxiliary device is arranged on the bearing circle spoke, when needs rapidly or during the continuous rotation bearing circle, chaufeur is pinned the auxiliary device steering wheel rotation with single hand, can uninterruptedly implement the rotation of bearing circle, the bearing circle rotation need not pause above half cycle yet and change hand.

But auxiliary device should only use under the state of strictness restriction, such as, sail, roll away from the parking stall at automobile or when going slowly, it should not use when fast running, because this can overturn or the danger in the track and so on of departing because of the twirl bearing circle produce.

When chaufeur service orientation dish rather than auxiliary device made automobile turning, the auxiliary device for rotation of this bearing circle did not influence the normal use of bearing circle, can not constitute dangerous to chaufeur.

The technical scheme that its technical matters that solves the utility model adopts is: at the bearing circle spoke auxiliary device for rotation is set, auxiliary device for rotation is made up of pillar and rolling disc, and rolling disc partly is made up of antifriction-bearing box, rolling bearing inner ring extension, housing washer extension, outer ring axially loaded protection face etc., rolling disc exceeds the plane of steering wheel rim, and the size of rolling disc is advisable with comfortable feel.

When the bearing circle metallic framework is produced, forge and press, cast or weld a pillar at spoke skeleton near the steering wheel rim position, pillar is by being arranged on the spoke skeleton with steering wheel rim skeleton horizontal surface plumbness, purpose is parallel with steering wheel rim skeleton horizontal surface for the rolling disc plane, uses comfortable.The effect of pillar is to support rolling disc, and pillar is cylindrical, and the cylinder size is suitable with the internal diameter size of rolling bearing inner ring, and height adds the height sum of inner ring extension a little more than rolling bearing inner ring.Pillar cuts into outside thread, and externally threaded length adds the length sum of inner ring extension negative thread less than rolling bearing inner ring.

Rolling disc of the present utility model is that transformation forms to antifriction-bearing box.Using the purpose of antifriction-bearing box is to make rolling disc when stressed steering wheel rotation, need not change with the rotation direction of bearing circle by force direction, and reduces and rotate friction.At a side setting of the rolling bearing inner ring inner ring extension consistent with the inner ring specification, the rolling bearing inner ring extension be set be for make the outer ring not with the spoke generation wipe contact of bearing circle, the outside face of rolling bearing inner ring extension mills out the plane that is parallel to each other (as Fig. 7) for spanner loading and unloading usefulness, at rolling bearing inner ring and inner ring extension inside face tapping negative thread.Side in the rightabout outer ring of rolling bearing inner ring extension adds the outer ring extension consistent with the outer ring specification, axial vane surface at the outer ring extension is provided with a stressed protection face, and the purpose that adds extension in the outer ring is to make the axially loaded protection face of outer ring not come in contact friction with inner ring.The axially loaded faces of housing washer, outer ring extension, outer ring etc. constitute the shell of rolling disc, this shows that shell is the hollow cylinder with a bottom surface, are flat colyliform.

The width of inner ring extension and outer ring extension is advisable with the design and use that meet rolling disc, and the diameter of whole rolling disc is pushed down the comfortable use of rolling disc with the centre of the palm and is advisable.Rolling disc is connected on the bearing circle spoke with fixed form.Because of pillar is vertical with the steering wheel rim plane, and pillar is vertical mutually with the rolling disc that screws in pillar, so the plane of rolling disc and steering wheel rim skeleton is parallel to each other.Use for convenience, rolling disc is higher than the horizontal surface of steering wheel rim skeleton, and other are operating as suitable height not hinder chaufeur.

The beneficial effect that the utility model is created is, automobile travel at a slow speed turn to or sail into, when rolling the parking stall away from, the driver can carry out transforming gear or other operations by a hand, the another palm of the hand is according to the rolling disc application of force of bearing circle, realize incessantly, steering wheel rotation swimmingly, palm need not change with the change of bearing circle direction, and is easy to use.The setting of rolling disc does not influence the use of other design functions of bearing circle yet, can not bring potential safety hazard to the driver.

Description of drawings

Fig. 1 is exterior sideview figure of the present utility model;

Fig. 2 is an outward appearance planar view of the present utility model;

Fig. 3 is the constructional drawing of bearing circle;

Fig. 4 is the position view of auxiliary device for rotation pillar;

Fig. 5 is the antifriction-bearing box constructional drawing;

Fig. 6 is the axial section (having omitted antifriction-bearing cage among the figure) of rolling disc;

Fig. 7 is a rolling bearing inner ring extension section-drawing;

Fig. 8 is rolling disc casing appearance figure.

1. steering wheel rims among the figure, 2. bearing circle spoke, 3. Die Lenkradnabeals Pralltopf ausgebildet, 4. rolling disc, 5. pillar, 6. rolling bearing inner ring, 7. housing washer, 8. rolling body, 9. retainer, 10. rolling bearing inner ring extension, 11. rolling bearing inner ring extensions, 12. stressed protection faces.

The specific embodiment

When the manufacturing direction dish, on close spoke 2 skeletons of steering wheel rim 1 position, forge and press, cast or weld a pillar 5, pillar 5 is perpendicular to steering wheel rim 1 skeleton horizontal surface, and pillar 5 is cylindrical, and pillar 5 cuts into outside thread.At the rolling bearing inner ring 6 one side settings inner ring extension 10 consistent with inner ring 6 specifications, rolling bearing inner ring 6 and inner ring extension 10 fuse, at inner ring 6 and inner ring extension 10 inside face tapping negative threads.The shape and the parameter of the negative thread of the outside thread of pillar 5 and inner ring 6 and inner ring extension 10 are complementary, pillar 5 externally threaded length are less than the total length of inner ring 6 and inner ring extension 10 negative threads, and the diameter of pillar 5 and rolling bearing inner ring internal diameter size are complementary.Inner ring extension 10 outside faces mill out two planes parallel to each other or etc. hexagonal six planes (as Fig. 7), use for the open-end spanner loading and unloading.With a side of rolling bearing inner ring extension 10 rightabout outer rings 7, add the outer ring extension 11 consistent with outer ring 7 specifications, outer ring 7 fuses with the outer ring extension 11 that adds.At the axial vane surface of outer ring extension 11 the consistent stressed protection face 12 in a size and outer ring 7 is set, the thickness of stressed protection face 12 is identical with the thickness of outer ring 7, and stressed protection face 12 and outer ring extension 11, outer ring 7 fuse.Housing washer 7, outer ring extension 11 and stressed protection face 12 threes constitute the hollow cylinder with a bottom surface, are flat colyliform.

Because of above-mentioned rolling bearing inner ring 6 fuses with inner ring extension 10, outer ring 7 fuses with outer ring extension 11, stressed protection face 12 fuses with outer ring extension 11, therefore these assemblies can be by the manufacturing enterprise's forging and pressing or the direct integrated manufacturing of as cast method of antifriction-bearing box, and these assemblies are assembled into rolling disc together with rolling body 8, retainer 9 by the method for assembling antifriction-bearing box.After being assembled into rolling disc, inner ring extension 10 and bearing inner ring 6 are screwed in pillar 5, just constituted auxiliary device for rotation of steering wheel with open-end spanner.Use for convenience, the plane parallel of rolling disc 4 and steering wheel rim 1 skeleton also is higher than the horizontal surface of steering wheel rim 1 skeleton.

When motor turning, the driver only needs the palm of the hand of a hand to pin rolling disc 4 application of forces and rotates the rotation that just can realize bearing circle, also need not change hand even rotate above half-turn, and another can go to carry out conversion gear or other operations.By the turn disc bearing circle, can reduce driver's muscle power and pay and dispersion attention.

Claims

1. the auxiliary device for rotation of a bearing circle, auxiliary device for rotation is made up of pillar (5) and rolling disc (4), it is characterized in that: an auxiliary device for rotation is set at bearing circle spoke (2), pillar (5) is arranged on the spoke (2), and rolling disc (4) is made up of antifriction-bearing box, rolling bearing inner ring extension (10), housing washer extension (11), stressed protection face (12) four parts of outer ring side seal.

2. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: the method with forging and pressing, casting or welding is fixedly installed on pillar (5) on spoke (2) skeleton, and the position of pillar (5) is near wheel rim (1).

3. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: pillar (5) cuts into outside thread.

4. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: pillar (5) is perpendicular to steering wheel rim (1) skeleton horizontal surface.

5. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: the side at rolling bearing inner ring (6) is provided with an inner ring extension (10) consistent with inner ring (6) specification, and rolling bearing inner ring (6) and inner ring extension (10) fuse.

6. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: rolling bearing inner ring (6) and inner ring extension (10) inside face tapping negative thread.

7. auxiliary device for rotation of steering wheel according to claim 1, it is characterized in that: with a side setting and the consistent outer ring extension (11) of outer ring (7) specification of rolling bearing inner ring extension (10) opposite sense outer ring (7), outer ring (7) fuse with the outer ring extension (11) that adds.

8. auxiliary device for rotation of steering wheel according to claim 1, it is characterized in that: the axial vane surface at outer ring extension (11) is provided with a size and outer ring extension (11) stressed protection face of the same size (12), and stressed protection face (12) fuses with outer ring extension (11), outer ring (7).

9. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: rolling disc (4) is parallel with the horizontal surface of steering wheel rim (1) skeleton and be higher than the horizontal surface of steering wheel rim (1) skeleton.

10. auxiliary device for rotation of steering wheel according to claim 1 is characterized in that: adopt forging and pressing or as cast method with rolling bearing inner ring (6) and inner ring extension (10), stressed protection face (12) fuses with outer ring extension (11), outer ring (7).