CN110841270B

CN110841270B - Anti-toppling sliding plate caster wheel mechanism

Info

Publication number: CN110841270B
Application number: CN201911192755.5A
Authority: CN
Inventors: 孙建
Original assignee: Yongkang Yanma Industry And Trade Co ltd
Current assignee: Yongkang Yanma industry and Trade Co.,Ltd.
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2021-04-16
Anticipated expiration: 2039-11-28
Also published as: CN110841270A

Abstract

The invention discloses an anti-toppling skateboard caster mechanism which comprises a bearing plate and a bearing shaft, wherein mounting grooves are formed in two sides of the bearing plate, and connecting blocks are rotatably sleeved in the mounting grooves. The sleeve rod and the inner rod are movably connected on the bearing plate, and the sleeve rod and the inner rod are respectively connected with the upper connecting rod, the supporting rod and the lower connecting rod by utilizing the elasticity of the upper spring and the lower spring, so that an outer wheel and an inner wheel which are obliquely arranged are correspondingly supported; establish the reinforcing band through the cover in interior wheel and foreign steamer, connect the reinforcing disc in interior wheel, utilize one-level spring and second grade spring activity to support the switching cover, make the bearing shaft be connected with interior wheel through the reinforcing band, the reinforcing shaft who connects between switching cover and the reinforcing disc provides the supporting role jointly for interior wheel, through connecting the counter roll between the reinforcing band on protection casing and foreign steamer, in order to ensure the synchronism between two foreign steamer and two interior wheels, ensure the equilibrium between foreign steamer and the interior wheel, thereby promote the overall stability of slide.

Description

Anti-toppling sliding plate caster wheel mechanism

Technical Field

The invention relates to the technical field of slide plate balance, in particular to a caster wheel mechanism of an anti-toppling slide plate.

Background

Skateboard exercise is a nasal ancestor of the history of extreme exercise, and many extreme exercise items are extended from skateboard items. The skateboard sports evolved from surfing in the late 50 s and early 60 s have become popular sports nowadays and are well-pursued and favored by young people.

As a beginner, the skateboard exercise has great operation difficulty, and the mastering of the balance degree is the primary difficulty. Traditional skateboard truckle adopts fixed perpendicular mounting structure's mounting means more, and is similar with common tire, but the truckle that adopts this kind of mode to install has great control degree of difficulty to the skateboard beginner: firstly, in the stress process of the traditional caster wheel, particularly when the stress is uneven, the caster wheel can drive the sliding plate to incline integrally, and a person standing on the sliding plate is more difficult to grasp the balance in the horizontal direction, so that the unbalance of a human body is easily caused by the inclination of the sliding plate; second, when the user need control the slide and turn to, then need carry out the weight bias to a certain side of slide and press to force the truckle to incline, but traditional slide and truckle be fixed body structure, and the change that realizes the direction through the truckle slope needs longer reaction cycle, especially when less space and corner, very easily causes the corner collision accident.

Disclosure of Invention

The invention aims to solve the problem that the balance of a skateboard is difficult to maintain by using casters in the prior art, and provides a caster mechanism of an anti-toppling skateboard.

In order to achieve the purpose, the invention adopts the following technical scheme:

an anti-toppling skateboard caster mechanism comprises a bearing plate and a bearing shaft, wherein mounting grooves are formed in two sides of the bearing plate, connecting blocks are sleeved on the mounting grooves in a rotating mode, loop bars are vertically welded on the two connecting blocks, an upper spring and an upper sliding sleeve are respectively sleeved on the loop bars, an inner bar is sleeved on the lower end of the loop bars in a sliding mode, a lower spring is sleeved on one end, located in the loop bars, of the inner bar, the upper sliding sleeve and the lower end of the inner bar are respectively in pin connection with an upper connecting rod, a supporting rod and a lower connecting rod, the lower ends of two sides of the bearing plate are obliquely and rotatably provided with an outer wheel and an inner wheel, reinforcing hoops are respectively sleeved in the outer wheel and the inner wheel in a rotating mode, the upper connecting rod and the lower connecting rod on the same side are in pin connection with one side of the;

two equal fixedly connected with reinforcing disc on interior wheel one side, equal fixed cover is equipped with one-level spring and second grade spring on the bearing axle both ends, and is located the epaxial movable sleeve of bearing between one-level spring and the second grade spring and is equipped with the switching cover, round pin hub connection has two reinforcing shafts between switching cover and the reinforcing disc, two the protection casing is all welded to the connecting block, and all round pin hub connection has the counter roll between two protection casings and two enhancement hoops on the foreign steamer.

Preferably, the fixed cover of upper spring lower extreme is located on the loop bar, and with the upper sliding sleeve slip cap of upper spring upper end looks welded and locate the loop bar upper end, the lower spring lower extreme welds with loop bar lower extreme opening mutually.

Preferably, the outer wheel and the inner wheel are respectively positioned at two sides of the loop bar and the inner rod, and one end of the support bar, which is far away from the inner rod, is connected with the upper connecting rod pin shaft.

Preferably, the two reinforcing discs are respectively positioned on one corresponding side of the two inner wheels, and two ends of the bearing shaft respectively penetrate through the two reinforcing discs and are connected with the reinforcing hoops on the two inner wheels.

Preferably, two sides of the adapter sleeve respectively abut against free ends of the first-stage spring and the second-stage spring, and the adapter sleeve slides and is rotatably sleeved on the bearing shaft.

Preferably, both of the protective covers are L-shaped.

Compared with the prior art, the invention has the following advantages:

1. the bearing plate is rotatably sleeved with the sleeve rod and the inner rod which are connected into a whole, the sleeve rod and the inner rod are provided with the upper connecting rod on the sleeve rod by utilizing the upper spring and the upper sliding sleeve, the inner rod is provided with the support rod and the lower connecting rod, the outer wheel and the inner wheel which are obliquely arranged are jointly installed through the upper connecting rod and the lower connecting rod, so that the outer wheel and the inner wheel can be mutually supported when the outer wheel and the inner wheel are stressed to be inclined, the inclination angle of the outer wheel and the inner wheel is increased, and the horizontal balance is maintained by utilizing the mutual support between the outer wheel and the inner wheel.

2. The invention utilizes a primary spring and a secondary spring to elastically support the adapter sleeve on the bearing shaft, and the reinforcing plates are fixedly connected on the two inner wheels, so that the reinforcing shaft is conveniently connected between the adapter sleeve and the reinforcing plates, and the two inner wheels are horizontally pulled mutually; the connecting fulcrum shaft is rotated on the protective cover connected with the switching block to horizontally pull the two outer wheels so as to maintain the balance of the two outer wheels and ensure the synchronism and balance between the two inner wheels and the two outer wheels.

In summary, the sleeve rod and the inner rod of the integral structure are movably connected on the bearing plate, and the sleeve rod and the inner rod are respectively connected with the upper connecting rod, the supporting rod and the lower connecting rod by utilizing the elasticity of the upper spring and the lower spring, so as to correspondingly support the outer wheel and the inner wheel which are obliquely arranged; establish the reinforcing band through the cover in interior wheel and foreign steamer, connect the reinforcing disc in interior wheel, utilize one-level spring and second grade spring activity to support the switching cover, make the bearing shaft be connected with interior wheel through the reinforcing band, the reinforcing shaft who connects between recycling switching cover and the reinforcing disc provides the supporting role jointly for interior wheel, through connecting the counter roll between the reinforcing band on protection casing and foreign steamer, in order to ensure the synchronism between two foreign steamer and two interior wheels, through increase mutual slope and mutual support between the two to a certain extent, ensure the equilibrium between foreign steamer and the interior wheel, thereby promote the overall stability of slide.

Drawings

FIG. 1 is a schematic structural view of a caster mechanism of an anti-toppling skateboard according to the present invention;

FIG. 2 is an enlarged view of a portion A of the caster mechanism of the anti-toppling skateboard of the present invention;

FIG. 3 is an enlarged view of the portion B of the caster mechanism of the anti-toppling skateboard of the present invention;

FIG. 4 is a schematic view of the mounting structure of the outer wheel and the reinforcing hoop of the caster mechanism of the anti-toppling skateboard according to the present invention;

fig. 5 is a schematic view of an installation structure of an inner wheel and a reinforcing plate of an anti-toppling skateboard caster mechanism provided by the invention.

In the figure: the device comprises a bearing plate 1, a bearing shaft 2, a mounting groove 3, a connecting block 4, a loop bar 5, an upper spring 6, an upper sliding sleeve 7, an inner rod 8, a lower spring 9, an upper connecting rod 10, a supporting rod 11, a lower connecting rod 12, an outer wheel 13, an inner wheel 14, a reinforcing hoop 15, a reinforcing disk 16, a primary spring 17, a secondary spring 18, a switching sleeve 19, a reinforcing shaft 20, a protective cover 21 and a supporting shaft 22.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an anti-toppling caster mechanism for a skateboard comprises a bearing plate 1 and a bearing shaft 2, wherein the bearing plate 1 is a part connected and installed with a skateboard and fixedly connected with the skateboard through a bolt, the bearing shaft 2 is horizontally arranged below the bearing plate 1, two sides of the bearing plate 1 are respectively provided with a mounting groove 3, the mounting grooves 3 are rotatably sleeved with a connecting block 4, it is noted that a rubber sleeve convenient for disassembly and assembly is fixedly sleeved on the connecting block 4 rotatably sleeved in the mounting groove 3 to increase the friction force between the two to ensure the stability of the connection between the two, two connecting blocks 4 are respectively and vertically welded with a loop bar 5, the loop bar 5 is respectively sleeved with an upper spring 6 and an upper sliding sleeve 7, the lower end of the loop bar 5 is a hollow part, an inner rod 5 is slidably sleeved with an inner rod 8, and one end of the inner rod 8 positioned in the loop bar 5 is sleeved with a lower spring 9, the lower ends of the upper sliding sleeve 7 and the inner rod 8 are respectively connected with an upper connecting rod 10, a supporting rod 11 and a lower connecting rod 12 through pin shafts, further, the number of the upper connecting rod 10, the supporting rod 11 and the lower connecting rod 12 is two, the upper connecting rod 10, the supporting rod 11 and the lower connecting rod 12 are arranged in a left-right corresponding mode, the lower ends of two sides of the bearing plate 1 are obliquely and rotatably provided with an outer wheel 13 and an inner wheel 14, reinforcing hoops 15 are respectively rotatably sleeved in the outer wheel 13 and the inner wheel 14, the upper connecting rod 10 and the lower connecting rod 12 on the same side are connected with one side of the reinforcing hoop 15 on the same side through pin shafts, two ends of the bearing shaft 2 are respectively connected with the other side of the reinforcing hoops 15;

equal fixedly connected with reinforcing disc 16 on two interior wheels 14 one side, equal fixed cover is equipped with one-level spring 17 and second grade spring 18 on the bearing shaft 2 both ends, and be located the bearing shaft 2 between one-level spring 17 and the second grade spring 18 on the activity cover be equipped with adapter sleeve 19, under the elastic support of one-level spring 17 and second grade spring 18, adapter sleeve 19 can carry out horizontal migration on bearing shaft 2, and because adapter sleeve 19 does not have with one-level spring 17 and second grade spring 18 fixed connection, make adapter sleeve 19 can carry out rotary motion on bearing shaft 2 through reinforcing shaft 20, round pin hub connection has two reinforcing shafts 20 between adapter sleeve 19 and the reinforcing disc 16, protective cover 21 has all been welded to two connecting blocks 4, and equal round pin hub connection has counter shaft 22 between two protective cover 21 and the reinforcing hoop 15 on two foreign steamer 13.

The protective cover 21 not only can protect the outer wheel 13 and the inner wheel 14, but also can provide a limit traction function for the outer wheel 13 from the side through the fulcrum 22.

The lower end of the upper spring 6 is fixedly sleeved on the loop bar 5, the upper sliding sleeve 7 welded with the upper end of the upper spring 6 is sleeved at the upper end of the loop bar 5 in a sliding manner, the lower end of the lower spring 9 is welded with the lower end opening of the loop bar 5, and under the common elastic support of the upper spring 6 and the lower spring 9, an outer wheel 13 and an inner wheel 14 which are jointly supported by an upper connecting rod 10 and a lower connecting rod 12 can be mutually supported.

The outer wheel 13 and the inner wheel 14 are respectively positioned at two sides of the loop bar 5 and the inner rod 8, and one end of the support rod 11 far away from the inner rod 8 is connected with the upper connecting rod 10 through a pin shaft.

Two reinforcing plates 16 are respectively arranged on one corresponding side of the two inner wheels 14, and particularly referring to the description of fig. 5, the middle part of each reinforcing plate 16 is of a through structure, so that two ends of the bearing shaft 2 respectively penetrate through the two reinforcing plates 16 to be connected with the reinforcing hoops 15 on the two inner wheels 14, and the two inner wheels 14 realize mutual traction support.

Two sides of the adapter sleeve 19 are respectively abutted against the free ends of the first-stage spring 17 and the second-stage spring 18, and the adapter sleeve 19 is slidably and rotatably sleeved on the bearing shaft 2.

Both the guards 21 are L-shaped to protect the outer wheel 13.

The invention can be illustrated by the following operating modes:

the slide extrudees 4 and loop bar 5 through bearing plate 1 butt joint piece, and the foreign steamer 13 contacts with ground with interior wheel 14, under the influence of ground extruded effort:

on the one hand, the outer wheel 13 and the inner wheel 14 draw the upper connecting rod 10 and the lower connecting rod 12 through the reinforcing hoop 15, and the upper connecting rod 10 drives the upper sliding sleeve 7 to slide downwards with the sleeve rod 5 as a guide and extrude the upper spring 6.

The lower link 12 pulls the inner rod 8 so that the inner rod 8 extends downward from the lower end of the loop bar 5 and presses the lower spring 9.

In the process, the upper connecting rod 10 and the lower connecting rod 12 tend to be vertical synchronously, and the support rod 11 also tends to incline to be vertical, so that the synchronism between the upper connecting rod 10 and the lower connecting rod 12 is realized, the upper ends of the outer wheel 13 and the inner wheel 14 incline close to each other, but the upper ends and the lower ends of the outer wheel 13 and the inner wheel 14 can be prevented from completely balancing due to the tension of the upper spring 6 and the lower spring 9, and therefore, the support with a larger inclination angle is provided for the sliding plate on the bearing plate 1;

on the other hand, the two inner wheels 14 are inclined reversely, the inner wheels 14 drive the reinforcing disc 16 to incline synchronously, the reinforcing disc 16 pulls and pushes the adapter sleeve 19 through the two reinforcing shafts 20 respectively, so that the adapter sleeve 19 slides in the horizontal direction by taking the bearing shaft 2 as a guide, the primary spring 17 and the secondary spring 18 are extruded and pulled, and under the elastic supporting action of the primary spring 17 and the secondary spring 18, the elastic supporting action is provided for the adapter sleeve 19.

In the process, the reinforcing plate 16 drives the adapter sleeve 9 to rotate on the bearing shaft 2 at a high speed through the two reinforcing shafts 20.

It should be noted that:

firstly, two ends of the bearing shaft 2 are connected with the two inner wheels 14 through the reinforcing hoops 15, and during the process that the two inner wheels 14 incline and rotate, the two reinforcing hoops 15 do not rotate, but only the inner wheels 14 rotate;

secondly, during the traveling process, the two outer wheels 13 are connected with the protective cover 21 through the fulcrum 22, namely, the protective cover 21 is taken as a force application point to provide a traction supporting function for the two outer wheels 13 through the fulcrum 22.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An anti-toppling skateboard caster mechanism comprises a bearing plate (1) and a bearing shaft (2), and is characterized in that mounting grooves (3) are formed in two sides of the bearing plate (1), connecting blocks (4) are sleeved on the mounting grooves (3) in a rotating mode, sleeve rods (5) are vertically welded on the connecting blocks (4), an upper spring (6) and an upper sliding sleeve (7) are sleeved on each sleeve rod (5), an inner rod (8) is sleeved on the lower end of each sleeve rod (5) in a sliding mode, a lower spring (9) is sleeved on one end, located in each sleeve rod (5), of each inner rod (8), an upper connecting rod (10), a supporting rod (11) and a lower connecting rod (12) are respectively connected to the lower ends of the upper sliding sleeve (7) and the inner rod (8) through pin shafts, an outer wheel (13) and an inner wheel (14) are obliquely and rotatably arranged at the lower ends of two sides of the bearing plate (1), and reinforcing hoops (15) are respectively, the upper connecting rod (10) and the lower connecting rod (12) on the same side are connected with one side of the reinforcing hoop (15) on the same side through pin shafts, two ends of the bearing shaft (2) are respectively connected with the other side of the reinforcing hoop (15) on the two inner wheels (14) through pin shafts, and the supporting rod (11) is connected with the upper connecting rod (10);

two equal fixedly connected with reinforcing disc (16) on interior wheel (14) one side, equal fixed cover is equipped with one-level spring (17) and second grade spring (18) on bearing axle (2) both ends, and is located bearing axle (2) between one-level spring (17) and second grade spring (18) and goes up the movable sleeve and be equipped with switching cover (19), round pin hub connection has two reinforcing shaft (20), two between switching cover (19) and reinforcing disc (16) protective cover (21) have all been welded in connecting block (4), and equal round pin hub connection has counter shaft (22) between reinforcing hoop (15) on two protective cover (21) and two foreign steamer (13).

2. The anti-toppling skateboard caster mechanism as claimed in claim 1, wherein the lower end of the upper spring (6) is fixedly sleeved on the loop bar (5), and the upper sliding sleeve (7) welded to the upper end of the upper spring (6) is slidably sleeved on the upper end of the loop bar (5), and the lower end of the lower spring (9) is welded to the lower opening of the loop bar (5).

3. An anti-toppling skateboard caster mechanism as claimed in claim 2, wherein the outer wheel (13) and the inner wheel (14) are located on both sides of the sleeve rod (5) and the inner rod (8), respectively, and the end of the support rod (11) remote from the inner rod (8) is connected with the upper connecting rod (10) through a pin.

4. An anti-toppling skateboard caster mechanism according to claim 1, wherein two said reinforcing discs (16) are located on respective sides of the two inner wheels (14), and the bearing shaft (2) is connected at both ends thereof to the reinforcing hoops (15) on the two inner wheels (14) through the two reinforcing discs (16).

5. The anti-toppling skateboard caster mechanism according to claim 4, wherein two sides of the adapter sleeve (19) respectively abut against the free ends of the primary spring (17) and the secondary spring (18), and the adapter sleeve (19) is slidably and rotatably sleeved on the bearing shaft (2).

6. An anti-tipping skateboard castor mechanism according to claim 1, wherein both of the shields (21) are L-shaped.