CN212529791U

CN212529791U - Novel steering wheel assembly structure

Info

Publication number: CN212529791U
Application number: CN202021407354.5U
Authority: CN
Inventors: 章志尧
Original assignee: Yancheng Tongji Auto Parts Co ltd
Current assignee: Yancheng Tongji Auto Parts Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-02-12
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a belong to car steering wheel technical field, specifically be a novel steering wheel assembly structure, including the steering column, the top of steering column is connected with the steering spindle, the top of steering spindle is connected with the steering wheel, the upper and lower side of steering spindle all is provided with external splines, the upper end of steering column and the lower extreme of steering spindle all are provided with internal splines, both sides the external splines respectively with two internal splines cooperation, the outside cover of steering spindle and steering column is equipped with the location clamp piece, the front and back of the upper and lower sides of the body of location clamp piece and the front and back of the body downside of steering wheel all are provided with the locating hole, through the location of locating hole and protruding axle, can be fast convenient install steering wheel well, and move the protruding axle to the outside of steering spindle can avoid milling the tooth to the spline again, thereby guaranteed the integrality of spline, the complete spline can be uniformly stressed, so that the service life of the spline is prolonged.

Description

Novel steering wheel assembly structure

Technical Field

The utility model relates to a car steering wheel technical field specifically is a novel steering wheel assembly structure.

Background

The steering wheel of the automobile is generally connected with a steering shaft through a spline, and has the function of converting force applied to the edge of the steering wheel by a driver into torque and transmitting the torque to the steering shaft, and the steering shaft drives a steering rocker arm to rotate, so that the driving direction of the automobile is controlled through the steering wheel of the automobile.

When the existing automobile steering wheel is installed, the main alignment mode has two types, one type is that the installer aligns by experience, the alignment mode needs the installer to debug for many times and align, the installation efficiency of the steering wheel is seriously reduced, the other type is that the spline milling teeth align, the alignment mode needs to mill part of the teeth of the spline, the teeth of the spline are milled, the stress of the teeth of the spline is uneven, and therefore the service life of the spline is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel steering wheel assembly structure to solve the problem that the car steering wheel that proposes in the above-mentioned background art was adjusted well when the steering wheel was installed.

In order to achieve the above object, the utility model provides a following technical scheme: a novel steering wheel assembly structure comprises a steering rocker arm, a steering shaft is connected above the steering rocker arm, a steering wheel is connected above the steering shaft, external splines are arranged on the upper side and the lower side of the steering shaft, internal splines are arranged on the upper end of the steering rocker arm and the lower end of the steering shaft, the external splines are matched with the two internal splines respectively on two sides, positioning clamping blocks are sleeved on the outer sides of the steering shaft and the steering rocker arm, positioning holes are formed in the front rear sides of the upper side and the lower side of the body of the positioning clamping blocks and the front rear sides of the lower side of the body of the steering wheel, protruding shafts are arranged on the front side and the rear sides of the upper side and the lower side of the steering rocker arm and the front side and the rear side of the two ends of the steering shaft respectively, the six protruding shafts are inserted into the six positioning holes respectively, each positioning clamping block comprises a front clamping block and a rear clamping block, the front clamping block and the rear clamping block are connected through a bolt, the outside of two protruding axles of steering spindle upper end all overlaps there is fixed the knot, the body outside cover of internal spline is equipped with the adapter sleeve, the downside all is provided with the turn-ups on the body of adapter sleeve, the below of steering wheel is provided with the connecting block, the steering spindle top is provided with down the connecting block, the turn-ups of lower extreme is connected with last connecting block and lower connecting block through the screw respectively on the adapter sleeve.

Preferably, a through hole is formed in the flanging of the connecting sleeve, and the screw head of the screw is inserted into the through hole of the connecting sleeve.

Preferably, the outer side of the body of the connecting sleeve is sleeved with a protective sleeve, and the height of the protective sleeve is equal to the distance between flanges at the lower end of the connecting sleeve.

Preferably, the central axes of the three front side protruding shafts are in the same plane, and the central axes of the three rear side protruding shafts are in the same plane.

Preferably, the included angle between the central axes of the positioning holes on the front side and the rear side ranges from 169 degrees to 179 degrees.

Preferably, the height of the positioning hole in the positioning and clamping block body is greater than that of the external spline, and after the external spline on the lower side of the steering shaft is matched with the internal spline on the upper end of the steering rocker arm, the lower side of the protruding shaft on the lower side of the steering shaft is attached to the bottom of the positioning hole in the upper portion of the positioning and clamping block body.

Preferably, the diameter of the protruding shaft is the same as the aperture of the positioning hole.

Preferably, two locating holes of steering wheel body downside all include bar hole and circular port, two the circular port all is in the top in bar hole, two the aperture in bar hole all is the same with the diameter of salient axle, two the appearance of fixed knot all with the locating hole looks adaptation of steering wheel body downside, two fixed knot blocks respectively in two locating holes of steering wheel body downside.

Preferably, the external splines and the internal splines on the two sides are matched by thirty-tooth splines.

Preferably, the connecting sleeve comprises a left outer sleeve and a right outer sleeve, and the upper end and the lower end of the left outer sleeve and the right outer sleeve are respectively connected with the upper connecting block and the lower connecting block through screws.

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

1) the steering wheel can be quickly and conveniently aligned and installed by positioning the positioning hole and the protruding shaft, and the protruding shaft is moved to the outer side of the steering shaft, so that the spline can be prevented from being milled, the integrity of the spline is ensured, the complete spline can be uniformly stressed, and the service life of the spline is prolonged;

2) traditional steering wheel assembly, it is on fixed the steering wheel to the steering shaft through the inflation screw, because the inflation screw is installed inside the steering wheel, when inflation screw not hard up back, maintenance person is when the steering wheel is fixed again, the inside wire of steering wheel is hindered to easy mistake, thereby lead to the steering wheel to damage easily, through adapter sleeve and screw with steering wheel and steering shaft, can shift into external connection from the internal connection by the connection of steering wheel, thereby avoided when fixing the steering wheel, the inside wire of steering wheel is hindered to the mistake.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the positioning clamping block of the present invention;

FIG. 3 is a schematic view of the top view structure of the steering shaft of the present invention;

fig. 4 is a schematic view of the steering wheel of the present invention;

FIG. 5 is a schematic view of a left side view of the connection between the steering wheel and the steering shaft of the present invention;

fig. 6 is a schematic view of the steering wheel of the present invention;

fig. 7 is the schematic view of the sectional structure of the top view of the connecting sleeve of the present invention.

In the figure: the steering mechanism comprises a steering rocker arm 1, a positioning clamping block 2, a rear clamping block 21, a front clamping block 22, a positioning hole 23, a steering shaft 3, a protruding shaft 31, a lower connecting block 32, an outer spline 33, a steering wheel 4, an inner spline 41, an upper connecting block 42, a protecting sleeve 5, a connecting sleeve 6 and a fixing buckle 7.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-7, the present invention provides a technical solution: a novel steering wheel assembly structure comprises a steering rocker arm 1, a steering shaft 3 is connected above the steering rocker arm 1, a steering wheel 4 is connected above the steering shaft 3, external splines 33 are arranged on the upper side and the lower side of the steering shaft 3, internal splines 41 are arranged on the upper end of the steering rocker arm 1 and the lower end of the steering shaft 3, the external splines 33 on the two sides are respectively matched with the two internal splines 41, a positioning clamping block 2 is sleeved outside the steering shaft 3 and the steering rocker arm 1, positioning holes 23 are arranged on the front rear side of the upper side and the lower side of the body of the positioning clamping block 2 and the front rear side of the lower side of the body of the steering wheel 4, protruding shafts 31 are arranged on the front side and the rear side of the upper side and the front side and the rear side of the two ends of the steering rocker arm 1 respectively, the six protruding shafts 31 are respectively inserted on the six positioning holes 23, the positioning clamping block 2 comprises a front clamping block 22 and a rear clamping, preceding clamp splice 22 and back clamp splice 21 are connected the back centre gripping and are in the body outside of steering spindle 3 and steering rocker arm 1, the outside of two protruding axles 31 of steering spindle 3 upper end all overlaps and has fixed knot 7, fixed knot 7 is the stainless steel fastener, fixed knot 7 is detained on two protruding axles 31 of steering spindle 3 upper end, the body outside cover of internal spline 41 is equipped with adapter sleeve 6, the downside all is provided with the turn-ups on the body of adapter sleeve 6, adapter sleeve 6 is the I shape, the below of steering wheel 4 is provided with connecting block 42, the top of steering spindle 3 is provided with down connecting block 32, the turn-ups of adapter sleeve 6 upper and lower extreme are connected with last connecting block 42 and lower connecting block 32 through the screw respectively.

A through hole is formed in the flanging of the connecting sleeve 6, and the screw head of the screw is inserted into the through hole of the connecting sleeve 6, so that interference caused by the screw to the installation of the protecting sleeve 5 is avoided.

The body outside cover of adapter sleeve 6 is equipped with lag 5, and lag 5 is the rubber sleeve, and the height of lag 5 is the same with the turn-ups of adapter sleeve 6 upper and lower extreme between the interval, blocks the through-hole on the lag 5 through adapter sleeve 6, and after the screw in adapter sleeve 6 was become flexible, the through-hole on the turn-ups of adapter sleeve 6 can be stretched out to not hard up screw, stretches out the screw and can extrude lag 5 extrusion deformation to make things convenient for the driver to know that the screw is not hard up.

The central axes of the three front protruding shafts 31 are in the same plane, and the central axes of the three rear protruding shafts 31 are in the same plane, so that the steering wheel 4 is more conveniently aligned.

The included angle between the central axes of the front and rear side positioning holes 23 is 169 degrees to 179 degrees, and the front and rear side positioning holes 23 are asymmetric, so that the steering wheel only has one mounting direction, and the phenomenon of 180-degree reverse mounting of the steering wheel 4 is avoided.

The height that highly is greater than external spline 33 of locating hole 23 on the tight piece 2 body of location clamp, the external spline 33 of steering spindle 3 downside cooperates the back with the internal spline 41 of steering rocker arm 1 upper end, thereby make the installation of steering spindle 3 and steering rocker arm 1 adjust the back cooperation well earlier, because unable rotation behind the spline cooperation, so adjust the back cooperation well earlier, can make the installation of steering spindle 3 and steering rocker arm 1 convenient more fast, the downside of the protruding axle 31 of steering spindle 3 downside laminates with the tank bottom of locating hole 23 of the tight piece 2 body top of location clamp.

The diameter of the protruding shaft 31 is the same as the diameter of the positioning hole 23, so that the alignment and positioning of the steering wheel 4 can be more accurate.

Two locating holes 23 of 4 body downside of steering wheel all include bar hole and circular port, two circular ports are all in the top in bar hole, the aperture in two bar holes all is the same with the diameter of salient axle 31, two fixed appearances of detaining 7 all with the locating hole 23 looks adaptation of 4 body downside of steering wheel, two fixed detaining 7 block respectively in two locating holes 23 of 4 body downside of steering wheel, when the screw is not hard up the back, fixed knot 7 is still fixed in locating hole 23, fixed knot 7 can block salient axle 31, thereby avoided steering spindle 3 to break away from with steering wheel 4.

The mating of the two-sided male splines 33 and the female splines 41 is a thirty-tooth spline mating.

The connecting sleeve 6 comprises a left outer sleeve 62 and a right outer sleeve 61, and the upper end and the lower end of the left outer sleeve 62 and the right outer sleeve 61 are respectively connected with the upper connecting block 42 and the lower connecting block 32 through screws.

The working principle is as follows: during installation, the protruding shaft 31 at the upper end of the steering shaft 3 is inserted into the positioning hole 23 on the body of the steering wheel 4, at this time, the external spline 33 at the upper end of the steering shaft 3 is matched with the internal spline 41 below the body of the steering wheel 4, then the fixing buckle 7 is clamped on the protruding shaft 31 at the upper end of the steering shaft 3, then the two ends of the left outer sleeve 62 and the right outer sleeve 61 are respectively connected with the upper connecting block 42 and the lower connecting block 32 through screws, then the other end of the steering shaft 3 is sleeved into the protective sleeve 5, the protective sleeve 5 is sleeved outside the connecting sleeve 6, then the bolt on the positioning clamping block 2 is loosened, the positioning hole 23 below the positioning clamping block 2 body is clamped on the protruding shaft 31 at the upper end of the steering rocker arm 1, then the protruding shaft 31 at the lower end of the steering shaft 3 is inserted into the positioning hole 23 above the body of the positioning clamping block 2, at this time, the external spline, and finally, the bolt on the positioning clamping block 2 is screwed, and the steering rocker arm 1 and the steering shaft 3 are fixedly connected by the positioning clamping block 2.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel steering wheel assembly structure, includes steering rocker arm (1), its characterized in that: the steering gear is characterized in that a steering shaft (3) is connected above the steering rocker arm (1), a steering wheel (4) is connected above the steering shaft (3), external splines (33) are arranged on the upper side and the lower side of the steering shaft (3), internal splines (41) are arranged at the upper end of the steering rocker arm (1) and the lower end of the steering shaft (3), the external splines (33) are respectively matched with the two internal splines (41), positioning clamping blocks (2) are sleeved on the outer sides of the steering shaft (3) and the steering rocker arm (1), positioning holes (23) are respectively arranged at the front rear part of the upper side and the lower side of the body of the positioning clamping block (2) and the front rear part of the lower side of the body of the steering wheel (4), protruding shafts (31) are respectively arranged on the six positioning holes (23) on the front and rear sides above the steering rocker arm (1) and on the front and rear sides of the two ends of the steering shaft (3), the positioning clamping block (2) comprises a front clamping block (22) and a rear clamping block (21), the front clamping block (22) and the rear clamping block (21) are connected through bolts, the front clamping block (22) and the rear clamping block (21) are connected and then clamped outside the steering shaft (3) and the steering rocker arm (1), the outer sides of two protruding shafts (31) at the upper end of the steering shaft (3) are sleeved with fixing buckles (7), the outer side of the body of an internal spline (41) is sleeved with a connecting sleeve (6), the upper side and the lower side of the body of the connecting sleeve (6) are provided with flanges, the lower side of a steering wheel (4) is provided with an upper connecting block (42), the upper side of the steering shaft (3) is provided with a lower connecting block (32), and the flanges at the upper end and the lower end of the connecting sleeve (6) are respectively connected with the upper connecting block (42) and the lower connecting block (32.

2. A novel steering wheel assembling structure according to claim 1, wherein: the flanging of the connecting sleeve (6) is provided with a through hole, and the screw head of the screw is inserted into the through hole of the connecting sleeve (6).

3. A novel steering wheel assembling structure according to claim 1, wherein: the connecting sleeve is characterized in that a protecting sleeve (5) is sleeved on the outer side of the connecting sleeve body (6), and the height of the protecting sleeve (5) is equal to the distance between flanges at the upper end and the lower end of the connecting sleeve (6).

4. A novel steering wheel assembling structure according to claim 1, wherein: the central axes of the three front sides of the protruding shafts (31) are in the same plane, and the central axes of the three rear sides of the protruding shafts (31) are in the same plane.

5. A novel steering wheel assembling structure according to claim 1, wherein: the included angle between the central axes of the positioning holes (23) on the front side and the rear side ranges from 169 degrees to 179 degrees.

6. A novel steering wheel assembling structure according to claim 1, wherein: the height of the positioning hole (23) in the positioning and clamping block (2) body is larger than that of the external spline (33), after the external spline (33) on the lower side of the steering shaft (3) is matched with the internal spline (41) on the upper end of the steering rocker arm (1), the lower side of the protruding shaft (31) on the lower side of the steering shaft (3) is attached to the bottom of the positioning hole (23) in the upper side of the positioning and clamping block (2) body.

7. A novel steering wheel assembling structure according to claim 1, wherein: the diameter of the protruding shaft (31) is the same as the aperture of the positioning hole (23).

8. A novel steering wheel assembling structure according to claim 7, wherein: two locating holes (23) of steering wheel (4) body downside all include bar hole and circular port, two the circular port all is in the top in bar hole, two the aperture in bar hole all is the same with the diameter of salient axle (31), two the appearance of fixed knot (7) all with steering wheel (4) body downside locating hole (23) looks adaptation, two fixed knot (7) block respectively in two locating holes (23) of steering wheel (4) body downside.

9. A novel steering wheel assembling structure according to claim 1, wherein: the external splines (33) and the internal splines (41) on the two sides are matched by thirty-tooth splines.

10. A novel steering wheel assembling structure according to claim 1, wherein: the connecting sleeve (6) comprises a left outer sleeve (62) and a right outer sleeve (61), and the upper end and the lower end of the left outer sleeve (62) and the right outer sleeve (61) are respectively connected with the upper connecting block (42) and the lower connecting block (32) through screws.