CN111150989B

CN111150989B - Integrated scull and multi-link skateboard steering wheel mechanism

Info

Publication number: CN111150989B
Application number: CN201811325662.0A
Authority: CN
Inventors: 叶日伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2021-08-13
Anticipated expiration: 2038-11-08
Also published as: CN111150989A

Abstract

The invention discloses a sliding plate steering wheel mechanism integrating scull and multiple connecting rods, which comprises a lock frame, a connecting rod group, a scull group, a central rod group and a plurality of wheel groups. The lock frame is locked with a pedal. The connecting rod group is connected with the lock frame to provide the motion capability of rotating and swinging. The scull group is pivoted with the lock frame and the connecting rod group, and transmits the driving force of the pedal to drive the connecting rod group to act. The central rod set is pivoted with the lock frame and is in threaded connection with the connecting rod set to provide a rotating shaft center of the lock frame. Each wheel set is respectively connected with the two ends of the connecting rod set and is dragged by the connecting rod set to swing. By means of the above components, the user can drive the connecting rod set to steer each wheel set by applying force to one side of the pedal, so as to change the advancing direction of the skateboard more sensitively and at a larger angle.

Description

Integrated scull and multi-link skateboard steering wheel mechanism

Technical Field

The invention relates to the technical field related to sports goods, in particular to a skateboard steering wheel mechanism integrating a scull and multiple connecting rods.

Background

The skateboard is a bearing tool for a user to stand and achieve speed and mobility by single foot propulsion or high and low fall, and the skateboard can achieve the effect of changing the sliding track by utilizing the inclination and swing of the body of the user in use; thus, in addition to exercise, users are often used as a short-distance walk aid. At the same time, the use of technical fancy movements as show shows or competitions is also developed.

In order to increase the steering capability of the skateboard, a link-type steering wheel mechanism has been proposed, for example, U.S. Pat. No. US8186694, which is a conventional link-type steering wheel mechanism, although the requirement of assisting the steering of the skateboard can be met, the overall structure is too complex and bulky, and the assembly and subsequent maintenance are not facilitated.

Please refer to taiwan bulletin No. M303755, which is a scull type steering wheel structure, although it can overcome the defects of the conventional link mechanism such as complexity and bulkiness, there still exist several defects:

the oar-rocking type steering wheel structure can generate deflection margin, and the oscillation is achieved by compressing the buffer block, but the space for compressing the buffer block is limited, so that the oscillation amplitude of the wheel body is too small.

The structure of the stick with the scull type steering wheel structure can be seen from the specification, the top and bottom ends are tied, so that the axial moving space can not be provided, and the deflection angle of the stick is limited.

Disclosure of Invention

In view of the above-mentioned problems of the prior art, an object of the present invention is to overcome the defects of the conventional link type steering wheel structure, which is complicated and bulky and has a limited operation range, through design changes and innovations of the structure.

To achieve the above object, the present invention provides a multi-link type skateboard steering wheel mechanism, which comprises a lock frame, a link group, a scull group, a center rod group and a plurality of wheel sets, wherein the lock frame has a lock piece portion and an extension portion extending downward from the lock piece portion; the connecting rod group is connected with the lock frame and comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod; the two ends of the first connecting rod are respectively pivoted with the third connecting rod and the fourth connecting rod and are constantly positioned in front of the second connecting rod; the two ends of the second connecting rod are respectively pivoted with the third connecting rod and the fourth connecting rod and are constantly positioned at the back opposite to the first connecting rod; the central rod group comprises a lock frame pivot hole arranged on the extension part, a connecting rod lock hole arranged on the first connecting rod, and a central rod pivoted with the lock frame pivot hole and in threaded connection with the connecting rod lock hole; the scull group comprises a scull perforation arranged on the lock piece part, a connecting rod perforation arranged on the second connecting rod, a plurality of elastic bodies and washers which are respectively superposed at the top end and the bottom end corresponding to the connecting rod perforation, a penetrating scull perforation, the connecting rod perforation, each elastic body and a game rod which is screwed with a game rod nut after each washer; and each wheel set is respectively connected with the matched third connecting rod and the matched fourth connecting rod.

By means of the above components, the user can drive the connecting rod set to steer each wheel set by applying force to one side of the pedal, so as to change the advancing direction of the skateboard more sensitively and at a larger angle.

Drawings

Fig. 1 is a schematic view of an embodiment of the present invention.

Fig. 2 is a schematic view of another perspective of the embodiment shown in fig. 1.

FIG. 3 is a cross-sectional view of the embodiment A-A shown in FIG. 1.

Fig. 4 is an exploded view of the embodiment of fig. 1.

FIG. 5 is a partially exploded view of the embodiment of FIG. 4.

Fig. 6 is a schematic cross-sectional view of the embodiment of fig. 5.

FIG. 7 is a schematic diagram of the operation of a part of the components according to the embodiment of the present invention.

FIG. 8 is a cross-sectional view of the embodiment of FIG. 5 taken along line B-B.

10, a lock frame, 12, a locking plate part, 14, an extending part, 20, a connecting rod group, 21, a first connecting rod, 22, a second connecting rod, 23, a third connecting rod, 24, a fourth connecting rod, 30 a scull group, 31, a scull perforating hole, 32, a connecting rod perforating hole, 33, an upper limiting groove, 34, a lower limiting groove, 35, an elastic body, 36, a washer, 37, a game rod, 372, a thread section, 374, a rod head, 38, a game rod nut, 39, a game rod shaft sleeve, 40, a center rod group, 41, a lock frame pivot hole, 42, a connecting rod locking hole, 43, a center rod, 44, a center rod sleeve, 50, a wheel group, 52, a wheel shaft, 522, a wheel shaft thread, 54, a wheel, 56 and a wheel shaft nut.

Detailed Description

The embodiment of the present invention, which integrates the scull and the multi-link skateboard steering wheel mechanism, will be further described with reference to the attached drawings. In order to facilitate understanding of the embodiments of the present invention, the same reference numerals are used to designate the same parts hereinafter.

Referring to fig. 1 to 6, a skateboard steering wheel mechanism integrating a scull and multiple connecting rods for locking a pedal 94 to provide sliding and steering includes a lock frame 10, a connecting rod set 20, a scull set 30, a center rod set 40, and a plurality of wheel sets 50.

The lock frame 10, as shown in fig. 1 to 6, has a lock piece portion 12 and an extending portion 14 integrally formed; wherein the extension portion 14 extends downward from the lock blade portion 12 toward the lower end surface. In practice, the lock portion 12 is parallel to the pedal 94.

The linkage assembly 20, as shown in fig. 1 to 4, includes a first link 21, a second link 22, a third link 23, and a fourth link 24. The first and

second links

21, 22 are parallel to each other, and the first link 21 is located at the front of the second link (as viewed from the left side to the right side of fig. 1), and two ends of the first link are respectively pivoted with the third and

fourth links

23, 24, so as to form a linkage four-link structure.

The scull assembly 30, as shown in fig. 2, 3, 5 and 6, includes a scull through hole 31, a connecting rod through hole 32, an upper limit groove 33, a lower limit groove 34, a plurality of elastic bodies 35, a plurality of washers 36, a game rod 37, a game rod nut 38 and a game rod shaft sleeve 39.

The scull penetration hole 31 is formed through the extension portion 14 of the lock frame 10.

The link penetration hole 32 is formed through the second link 22.

The upper and lower limiting grooves 33, 34 (as shown in fig. 3) and the concentric link through hole 32 are formed in the top and bottom end surfaces of the second link 22 in a recessed manner.

The elastic body 35 and the washer 36 are superposed corresponding to the upper limiting groove and the lower

limiting groove

33 and 34; the elastic bodies 35 are in contact with the bottoms of the upper and lower

limiting grooves

33 and 34, respectively.

The lever 37 is passed through the scull penetration hole 31, the link penetration hole 32, the elastic bodies 35, and the washers 36 in this order and then screwed with the lever nut 38. The joystick 37 has a threaded section 372 at one end that matches the joystick nut 38 and a head 374 at the other end that is contoured to a larger diameter than the threaded section 372. In practice, the club head 374 is in a non-cylindrical (tubular) shape, and matches with the contour of the non-circular hole in the inner diameter of the scull through hole 31 to avoid spinning, so that the effect of screwing and locking the game club nut 38 can be achieved by a single tool, and the corresponding washer 36 is pressed to force the spring 35 in the upper and

lower limit grooves

33, 34 to be compressed. In addition; the joystick 37 and the linkage 20 may be selectively tilted relative to each other at an angle (e.g., 10 to 50 degrees) to increase the overall length of the joystick 37 to facilitate tilting of the pedals 94 to increase the motion of the linkage 20.

The game rod shaft sleeve 39 is sleeved between the game rod 37 and the scull perforation 31. In practice, the joystick hub 39 may optionally be omitted. The inner diameter of the oar penetration hole 31 is not the contour of a circular hole, and can be provided by a game rod shaft sleeve 39.

Referring to fig. 1, 3 and 4, the center rod assembly 40 is pivoted to the lock frame 10 and locked to the link assembly 20, and includes a lock frame pivot hole 41, a link lock hole 42, a center rod 43 and a center rod sleeve 44.

The lock frame pivot hole 41 is formed at a default position of the extension portion 14 of the lock frame 10.

The link locking hole 42 is formed at a default position of the first link 21 to be recessed to match the lock frame pivot hole 41.

The center rod 43 is pivotally connected to the lock frame pivot hole 41 and threadedly connected to the link lock hole 42. In practice, the center rod 43 extends in the same direction as the pedal 94 and is parallel to the locking plate portion 12 of the lock bracket 10.

The center rod sleeve 44 is arranged between the lock frame pivot hole 41 and the center rod 43. In practice, the center post sleeve 44 may optionally be omitted.

The wheel assembly 50, as shown in fig. 1, 2 and 5, includes an axle 52, a wheel 54, and an axle nut 56. The axle 52 has one end vertically connected to the third or

fourth link

23, 24 and the other end having an axle thread 522. The wheel 54 is fitted around the outer periphery of the wheel shaft 52. The axle nut 56 is threaded onto the axle threads 522 to restrain the wheel 54. In practice, the wheels 54 are pointed or wide.

The pedal 94, as shown in fig. 1, has at least one plate through hole 942; the plate through hole 942 is formed through the step plate 94 at the top and bottom thereof and is disposed at the fore and aft ends of the extending direction of the step plate 94 to provide the extending portion 14 of the lock frame 10 to pass through. In practice, the plate through hole 942 may be optionally omitted, and the lock bracket 10 may be directly locked to the downward end surface of the pedal 94.

Therefore, the above description is a description of the components and assembly of the scull and the multi-link skateboard steering wheel mechanism according to a preferred embodiment of the present invention, and the operation characteristics of the embodiment of the present invention are described as follows.

First, referring to fig. 1 to 8, a user can step on the pedal 94 and drive the vehicle to move and accelerate, when a direction change is required, the user only needs to press the pedal 94 in a direction to be turned, the pedal 94 is forced to twist the lock rack 10 to drive the game rod 37 to deflect, the rod head 374 of the game rod 37 presses the elastic body 35 accommodated in the upper limiting groove 33, and the lower section of the game rod 37 deflects towards one side due to the contour margin of the connecting rod through hole 32 and compresses the elastic body 35 and pushes the second connecting rod 22 to displace, due to the linkage relationship of the connecting rod group 20, the third and fourth connecting

rods

23 and 24 of the connecting rod group 20 are forced to displace, so that the traction wheel group 50 is forced to steer, thereby achieving the purpose of steering.

In the deflection of the lever 37, the tip end of the lever 37 is not axially constrained (in the direction in which the lever 37 extends) except for compressing the elastic bodies 35, and therefore, the tip end of the lever 37 is further inserted into the scull penetration hole 31 in the process.

When the user no longer applies pressure to the side edge of the pedal 94, the elastic bodies 35 are elastically restored to link the game rod 37 and the lock frame 10 to move in the opposite direction, and synchronously pull the linkage 20 and the wheel set 50 to return to the straight-going state.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and is not intended to limit the scope of the embodiments of the present invention, which is defined by the claims, and equivalents and modifications known to those skilled in the art, are within the scope of the present invention.

Claims

1. A skateboard steering wheel mechanism integrating scull and multi-link comprises a lock frame (10), a link group (20), a scull group (30), a central rod group (40) and a plurality of wheel sets (50),

the lock frame (10) is provided with a lock piece part (12) and an extension part (14) extending downwards from the lock piece part (12);

the connecting rod group (20) is connected with the lock frame (10) and comprises a first connecting rod (21), a second connecting rod (22), a third connecting rod (23) and a fourth connecting rod (24);

a first connecting rod (21), two ends of which are respectively pivoted with the third connecting rod (23) and the fourth connecting rod (24) and are constantly positioned in front of the second connecting rod (22) in an opposite way;

the two ends of the second connecting rod (22) are respectively pivoted with the third connecting rod (23) and the fourth connecting rod (24) and are constantly positioned at the opposite rear part of the first connecting rod (21);

the central rod group (40) comprises a lock frame pivot hole (41) arranged on the extension part (14), a connecting rod lock hole (42) arranged on the first connecting rod (21), and a central rod (43) which is pivoted with the lock frame pivot hole (41) and is in threaded connection with the connecting rod lock hole (42);

the scull group (30) comprises a scull perforation (31) arranged on the lock piece part (12), a connecting rod perforation (32) arranged on the second connecting rod (22), a plurality of elastic bodies (35) and washers (36) which are respectively corresponding to the top and bottom two ends of the connecting rod perforation (32) and are superposed, a penetrating scull perforation (31), the connecting rod perforation (32), each elastic body (35) and each washer (36) and a game rod (37) which is screwed with a game rod nut (38); and

each wheel set (50) is respectively connected with the third connecting rod (23) and the fourth connecting rod (24) which are matched with each other.

2. The integrated pitch and multi-link skateboard steering wheel mechanism according to claim 1, wherein the center bar assembly (40) further comprises a center bar sleeve (44) disposed between the lock frame pivot hole (41) and the center bar (43).

3. The integrated scull and multi-link skateboard steering wheel mechanism according to claim 1, wherein the top and bottom end faces of the concentric link through hole (32) of the second link (22) have an upper limit groove (33) and a lower limit groove (34), respectively.

4. The integrated scull and multi-link skateboard steering wheel mechanism according to claim 1, wherein the joystick (37) and the linkage (20) are inclined with respect to each other.

5. The integrated scull and multi-link skateboard steering wheel mechanism according to claim 1, characterized in that a shaft sleeve (39) is further sleeved between the game shaft (37) and the scull penetration hole (31).

6. The integrated pitch and multi-link skateboard steering mechanism according to claim 1, wherein the end of the game shaft (37) corresponding to the pitch penetration hole (31) has a head (374) matching the inner diameter profile of the pitch penetration hole (31) to avoid spinning.

7. The integrated pitch and multi-link skateboard steering wheel mechanism according to claim 6, wherein the end of the joystick (37) opposite the head (374) has a threaded section (372) for the spindle nut (38) to thread.

8. The integrated pitch and multi-link skateboard steering wheel mechanism according to claim 1, wherein each wheel set (50) comprises an axle (52), a wheel (54), and an axle nut (56); one end of the wheel shaft (52) is vertically connected with the matched third connecting rod (23) and the matched fourth connecting rod (24), and the other end of the wheel shaft is provided with a wheel shaft thread (522); the wheel (54) is sleeved on the outer periphery of the wheel shaft (52); the axle nut (56) is threaded onto the axle threads (522).

9. The integrated pitch and multi-link skateboard steering wheel mechanism of claim 8, wherein the wheels are sharp or wide tires.