CN214648529U

CN214648529U - Limiting structure for preventing steering wheel from being damaged when rotating to maximum angle

Info

Publication number: CN214648529U
Application number: CN202120532799.4U
Authority: CN
Inventors: 高玲娣; 相艳; 潘宇; 潘燕鸣
Original assignee: Zhejiang Fanlong Auto Parts Co ltd
Current assignee: Zhejiang Fanlong Auto Parts Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-09
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a prevent that steering wheel from changeing limit structure that maximum angle damaged, relate to the auto-parts field, including steering wheel skeleton and gasbag skeleton, the steering wheel skeleton cover is established in the outside of gasbag skeleton, and the interior round lateral wall and the gasbag skeleton fixed connection of steering wheel skeleton, the lower extreme middle part fixedly connected with bull stick of gasbag skeleton, the cover of bull stick is equipped with the casing, the pole wall of bull stick is connected through the upper and lower both sides rotation of two first bearings and casing, the inside of casing is equipped with slides and has cup jointed the crown plate with the bull stick, a plurality of evenly distributed's of interior round lateral wall fixedly connected with of crown plate limit slider, the pole wall of bull stick has been seted up a plurality ofly and limit slider assorted limit chute, the left lateral wall middle part fixedly connected with connecting rod of crown plate. The utility model discloses can rotate to car steering wheel and cushion spacingly, avoid car steering wheel direct rotation to the biggest angle and cause the striking, avoid the steering wheel to damage.

Description

Limiting structure for preventing steering wheel from being damaged when rotating to maximum angle

Technical Field

The utility model relates to an auto-parts field, in particular to prevent that steering wheel from changeing limit structure that maximum angle damaged.

Background

Wheel-like devices for steering the direction of travel of cars, ships, airplanes, etc., the fifty years, with conceptual cars without steering wheels, were coming out one after the other, and it would be of little interest to consumers for such cars, since cars without steering wheels do not become cars at all.

At present, the car need use the steering wheel to turn to when going, and the steering wheel just can't rotate after rotating certain angle again to the rotation of car steering wheel has a maximum angle, but, when people directly rotated car steering wheel to maximum angle, the striking can take place for the inside slewing mechanism of steering wheel, uses the back for a long time, causes the steering wheel to damage easily, influences people and uses.

Therefore, it is necessary to provide a limit structure for preventing the steering wheel from being damaged when the steering wheel is rotated to the maximum angle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a limit structure that prevents that steering wheel from changeing the damage of maximum angle to when solving that people who proposes in the above-mentioned background art directly rotate car steering wheel to maximum angle, the striking can take place for the inside slewing mechanism of steering wheel, uses the back for a long time, causes the steering wheel to damage easily, influences the problem that people used.

In order to achieve the above object, the utility model provides a following technical scheme: a limiting structure for preventing a steering wheel from being damaged by rotating to the maximum angle comprises a steering wheel framework and an air bag framework, wherein the steering wheel framework is sleeved outside the air bag framework, the inner circular side wall of the steering wheel framework is fixedly connected with the air bag framework, the middle part of the lower end of the air bag framework is fixedly connected with a rotating rod, the rod wall of the rotating rod is sleeved with a shell, the rod wall of the rotating rod is rotatably connected with the upper side and the lower side of the shell through two first bearings, an annular plate is arranged inside the shell and slidably sleeved with the rotating rod, the inner circular side wall of the annular plate is fixedly connected with a plurality of uniformly distributed limiting sliding blocks, a plurality of limiting sliding grooves matched with the limiting sliding blocks are formed in the rod wall of the rotating rod, a connecting rod is fixedly connected in the middle of the left outer side wall of the annular plate, the other end of the connecting rod is rotatably connected with a first stop dog through a second bearing, and a spiral guide rod is further arranged inside the shell, the utility model discloses a spiral guide bar, including casing, spiral guide bar, first dog, first round hole and spiral guide bar sliding connection, spiral guide bar overlaps and establishes in the outside of bull stick, and the upper and lower both ends of spiral guide bar respectively with two inside wall fixed connection about the casing, first dog is through first round hole and spiral guide bar sliding connection, the equal movable sleeve in pole wall both ends of spiral guide bar is equipped with the spring, two the equal fixedly connected with second dog in left end of spring, two the second dog all cup joints through second round hole and spiral guide bar slip.

Preferably, the inner circle side wall of the steering wheel framework is fixedly connected with a plurality of fixing rods, and the fixing rods are far away from one end of the steering wheel framework and fixedly connected with the air bag framework.

Preferably, the movement of the limiting sliding block inside the limiting sliding groove is connected with a ball in a rolling manner through a spherical groove, and one side of the ball outside the spherical groove is abutted against the groove bottom of the limiting sliding groove.

Preferably, the number of the limiting sliding blocks is four, and the number of the limiting sliding grooves is four.

Preferably, one end of each of the two second stoppers, which is far away from the spring, is fixedly connected with an annular rubber pad, and the annular rubber pads are movably sleeved with the spiral guide rods.

Preferably, the spiral guide rod and the first stop block are both made of stainless steel materials, and the surface of the spiral guide rod is smoothly arranged.

The utility model discloses a technological effect and advantage:

1. through the mutual matching of the air bag framework, the rotating rod, the shell, the annular plate, the limiting sliders, the connecting rod, the first stop block, the spiral guide rod, the two springs and the second stop block, when the steering wheel rotates, the air bag framework drives the rotating rod to rotate, the rotating rod drives the annular plate to rotate through the limiting sliders, the annular plate can move up and down on the surface of the rotating rod through the limiting sliders, the annular plate drives the first stop block to move through the connecting rod, so that the first stop block spirally moves along the spiral guide rod, when the rotating angle of the steering wheel reaches the maximum angle, the first stop block and the second stop block are in mutual contact, the spring arranged on the annular plate can apply elasticity on the second stop block, the second stop block can be buffered, the first stop block can be buffered through the connecting rod, the annular plate and the limiting sliders can buffer the rotating rod, therefore, the steering wheel can be buffered, and the damage caused by collision when the steering wheel directly rotates to the maximum angle is avoided;

2. the sliding friction force of the limiting sliding blocks in the limiting sliding grooves can be reduced through the arranged balls, so that the limiting sliding blocks and the annular plate can move up and down more flexibly;

3. the impact force generated when the first stop block and the second stop block are in mutual contact can be reduced through the annular rubber pad arranged on the first stop block, and damage is avoided.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic top sectional view of the ring plate and the rotating rod of the present invention;

fig. 3 is a schematic front structural view of the spiral guide rod of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a steering wheel armature; 2. an air bag framework; 3. a rotating rod; 4. a housing; 5. an annular plate; 6. a limiting slide block; 7. a connecting rod; 8. a first stopper; 9. a spiral guide bar; 10. a spring; 11. a second stopper; 12. fixing the rod; 13. a ball bearing; 14. an annular rubber pad.

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.

The utility model provides a limiting structure for preventing the steering wheel from being damaged when rotating to the maximum angle as shown in figures 1-4, which comprises a steering wheel framework 1 and an air bag framework 2, wherein the steering wheel framework 1 is sleeved outside the air bag framework 2, the inner circle side wall of the steering wheel framework 1 is fixedly connected with the air bag framework 2, the middle part of the lower end of the air bag framework 2 is fixedly connected with a rotating rod 3, the rod wall of the rotating rod 3 is sleeved with a shell 4, the shell 4 is fixedly connected with an automobile framework, the rod wall of the rotating rod 3 is rotatably connected with the upper side and the lower side of the shell 4 through two first bearings, the inner part of the shell 4 is provided with an annular plate 5 which is slidably sleeved with the rotating rod 3, the inner circle side wall of the annular plate 5 is fixedly connected with a plurality of evenly distributed limiting slide blocks 6, the rod wall of the rotating rod 3 is provided with a plurality of limiting slide grooves matched with the limiting slide blocks 6, the middle part of the left outer side wall of the annular plate 5 is fixedly connected with a connecting rod 7, the other end of connecting rod 7 rotates through the second bearing and is connected with first dog 8, the inside of casing 4 still is equipped with spiral guide bar 9, spiral guide bar 9 cover is established in the outside of bull stick 3, and the upper and lower both ends of spiral guide bar 9 respectively with two upper and lower inside wall fixed connection of casing 4, first dog 8 is through first round hole and spiral guide bar 9 sliding connection, the equal movable sleeve in pole wall both ends of spiral guide bar 9 is equipped with spring 10, the equal fixedly connected with second dog 11 in left end of two spring 10, two second dogs 11 all cup joint through the second round hole with spiral guide bar 9 slides, the spiral number of turns of spiral guide bar 9 is three circles, and the steering wheel returns when correct time, the pole wall middle part of 8 spiral guide bar 9 of first dog.

As shown in fig. 1 and 4, the inner circular side wall of the steering wheel frame 1 is fixedly connected with a plurality of fixing rods 12, and one ends of the fixing rods 12 far away from the steering wheel frame 1 are fixedly connected with the airbag frame 2, so that the steering wheel frame 1 and the airbag frame 2 can be fixedly connected.

As shown in fig. 2, the movement of the limiting slide block 6 inside the limiting slide groove is connected with a ball 13 in a rolling manner through the spherical groove, one side of the ball 13 outside the spherical groove is abutted against the groove bottom of the limiting slide groove, so that the sliding friction force of the limiting slide block 6 inside the limiting slide groove can be reduced, and the limiting slide blocks 6 and the annular plate 5 can move up and down more flexibly.

As shown in fig. 2, the number of the limit sliders 6 is four, and the number of the limit chutes is four.

As shown in fig. 3, the ends of the two second stoppers 11 far from the spring 10 are fixedly connected with annular rubber pads 14, and the annular rubber pads 14 are movably sleeved with the spiral guide rod 9, so that the impact force generated when the first stoppers 8 and the second stoppers 11 contact each other can be reduced, and the damage can be avoided.

Simultaneously, spiral guide bar 9 and first dog 8 all adopt stainless steel material to make, and the surface of spiral guide bar 9 is smooth setting, can improve the intensity of spiral guide bar 9 and first dog 8, and reduce the frictional force between spiral guide bar 9 and the first dog 8.

The utility model discloses the theory of operation:

when in use, the air bag framework 2 rotates when the steering wheel rotates, the air bag framework 2 drives the rotating rod 3 to rotate, the rotating rod 3 drives the annular plate 5 to rotate through the plurality of limiting slide blocks 6, the annular plate 5 can move up and down on the surface of the rotating rod 3 through a plurality of limiting slide blocks 6, the annular plate 5 drives the first stop dog 8 to move through the connecting rod 7, so that the first stopper 8 is spirally moved along the spiral guide bar 9, when the steering wheel is rotated by a maximum angle, the first block 8 and the second block 11 are contacted with each other, the second block 11 can be applied with elastic force through the arranged spring 10, thereby buffering the second stopper 11, the second stopper 11 can buffer the first stopper 8, the first stopper 8 can buffer the rotating rod 3 through the connecting rod 7, the annular plate 5 and the plurality of limit sliders 6, therefore, the steering wheel can be buffered, and the damage caused by collision when the steering wheel directly rotates to the maximum angle is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Prevent that steering wheel from changeing limit structure that maximum angle damaged, its characterized in that: comprises a steering wheel framework (1) and an air bag framework (2), wherein the steering wheel framework (1) is sleeved outside the air bag framework (2), the inner circle side wall of the steering wheel framework (1) is fixedly connected with the air bag framework (2), the middle part of the lower end of the air bag framework (2) is fixedly connected with a rotating rod (3), a rod wall sleeve of the rotating rod (3) is provided with a shell (4), the rod wall of the rotating rod (3) is rotatably connected with the upper side and the lower side of the shell (4) through two first bearings, an annular plate (5) is arranged inside the shell (4) and is sleeved with the rotating rod (3) in a sliding manner, the inner circle side wall of the annular plate (5) is fixedly connected with a plurality of evenly distributed limiting slide blocks (6), the rod wall of the rotating rod (3) is provided with a plurality of limiting slide grooves matched with the limiting slide blocks (6), and the left middle part of the annular plate (5) is fixedly connected with a connecting rod (7), the other end of connecting rod (7) rotates through the second bearing and is connected with first dog (8), the inside of casing (4) still is equipped with spiral guide bar (9), spiral guide bar (9) cover is established in the outside of bull stick (3), and the upper and lower both ends of spiral guide bar (9) respectively with two upper and lower inside wall fixed connection of casing (4), first dog (8) are through first round hole and spiral guide bar (9) sliding connection, the equal movable sleeve in pole wall both ends of spiral guide bar (9) is equipped with spring (10), two the equal fixedly connected with second dog (11) of the left end of spring (10), two second dog (11) all cup joints through second round hole and spiral guide bar (9) slip.

2. The limit structure for preventing the steering wheel from being damaged when rotating to the maximum angle according to claim 1, wherein: the inner circle side wall of the steering wheel framework (1) is fixedly connected with a plurality of fixing rods (12) which are a plurality of, and one ends, far away from the steering wheel framework (1), of the fixing rods (12) are fixedly connected with the air bag framework (2).

3. The limit structure for preventing the steering wheel from being damaged when rotating to the maximum angle according to claim 1, wherein: the limiting sliding block (6) is located inside the limiting sliding groove and moves through the spherical groove in a rolling mode, a ball (13) is connected to the limiting sliding groove in a rolling mode, and one side, located outside the spherical groove, of the ball (13) abuts against the groove bottom of the limiting sliding groove.

4. The limit structure for preventing the steering wheel from being damaged when rotating to the maximum angle according to claim 1, wherein: the number of the limiting sliding blocks (6) is four, and the number of the limiting sliding grooves is four.

5. The limit structure for preventing the steering wheel from being damaged when rotating to the maximum angle according to claim 1, wherein: two the equal fixedly connected with annular rubber pad (14) of second dog (11) one end of keeping away from spring (10), annular rubber pad (14) and spiral guide bar (9) activity cup joint.

6. The limit structure for preventing the steering wheel from being damaged when rotating to the maximum angle according to claim 1, wherein: spiral guide bar (9) and first dog (8) all adopt stainless steel material to make, and the surface of spiral guide bar (9) is smooth setting.