KR200474896Y1 - Caster having non-vibration, no-noise, non-impact, nontoxic function - Google Patents

Caster having non-vibration, no-noise, non-impact, nontoxic function Download PDF

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Publication number
KR200474896Y1
KR200474896Y1 KR2020140005100U KR20140005100U KR200474896Y1 KR 200474896 Y1 KR200474896 Y1 KR 200474896Y1 KR 2020140005100 U KR2020140005100 U KR 2020140005100U KR 20140005100 U KR20140005100 U KR 20140005100U KR 200474896 Y1 KR200474896 Y1 KR 200474896Y1
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KR
South Korea
Prior art keywords
housing
coupled
wheel
body housing
spring
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KR2020140005100U
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Korean (ko)
Inventor
김석
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(주)캐스터
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Publication of KR200474896Y1 publication Critical patent/KR200474896Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B33/00—Castors in general; Anti-clogging castors
    • B60B33/04—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors
    • B60B33/045—Castors in general; Anti-clogging castors adjustable, e.g. in height; linearly shifting castors mounted resiliently, by means of dampers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Abstract

The present invention relates to a caster, comprising: a wheel made of a non-toxic material; A first body housing coupled to a central axis of the wheel and having a connecting portion formed at a lower portion thereof to surround a portion of the wheel; A second body housing coupled to the other end of the first body housing by a shaft pin and coupled to enclose the first body housing, the second body housing spaced apart from the first spring housing in an oblique direction and hinged to an upper position by an axial pin; A first spring housing hinged to an upper side of the first main housing; A second spring housing hinged to one side of the upper portion of the second main housing and coupled at an upper position obliquely with respect to an upper side of the first main housing; A buffer means for connecting the first main body housing and the first main body housing to relieve an impact; And a top plate formed at a lower portion and attached to the bottom of the bogie.
According to the present invention, it is possible to prevent vibrations by installing a vibration isolation ring by a castor including vibrationless, noise-free, non-shock, and non-toxic castings, and to prevent noise by molding nonsoluble urethane in a wheel wheel and by providing a partition wall on a side surface, It is possible to prevent noise and vibration by allowing the wheel to rotate stably.

Description

{CASTER HAVING NON-VIBRATION, NO-NOISE, NON-IMPACT, NONTOXIC FUNCTION} CASTOR WITH ALL VIBRATION, NOISE,

The present invention relates to a caster, and more particularly to a caster which is mounted on a lower part of a carriage carrying articles and which has all the functions of non-vibration, noiseless, shockless and non-toxic.

In general, a caster is coupled to the bottom of a chair, a bed, a medical device, and a moving apparatus. In particular, a car is used to move a heavy load to a specific place. So that they can be easily moved.

As a prior art relating to a caster, a caster shock absorber is disclosed in Korean Patent No. 10-0441165. This technique is applied to a lower portion of a fixing plate 2 having a plurality of fixing holes 1 The bracket 3 is fixed with a slight inclination so that the bracket 3 is fixed to the intermediate portion of the arm 5 fixed to the wheel 4 on one side and the connecting member 6 is extended and projected to the rear of the support bracket 3, 5, a coupling groove 5 'is formed on both sides of the rear end of the arm 5 to which the wheel 4 is fixed, so that the urethane cap 10 described later can be connected thereto The urethane cap 10 formed of the urethane is formed to be smaller than the length of the spring 15 so that the spring and the urethane are doubly damped according to the load and the spring 15 is inserted into both sides of the urethane cap 10 The insertion portion 11 is formed so as to be seated The spring 15 inserted into the insertion portion 11 of the urethane cap 10 can seat the spring 15 formed at the end of the connecting member 6 extending and projecting to the rear of the support bracket 3 The spring 15 is seated on the seat mounting portion 6 'and the caster is buffered by the urethane cap 10 and the spring 15.

In the meantime, as shown in FIG. 8, this technology is attached to the bottom of the bottom of the industrial machine or heavy weight product so that the product can be moved or installed A cushioning hole 111 penetrating the center of the cushion member 108 and a notch 109 are formed in the cushion member 108 used as a cushion moving wheel 117 buffer means of the caster And a contact surface 110 is formed on both sides of the cover 103 so that a notch groove is brought into close contact with the brake lever 104 in the cover 103 of the caster and a structure in which the center shaft 116 of the moving wheel and the rotation shaft 107 of the cover A compression pin 114 having a function of preventing separation of the cushioning member and holding the cushioning member and a stop bolt 118 projecting and fixed inwardly from the cover are installed on the opposite side plate 112 connecting the side plates 112, On the stop groove 115 of Is is made of a combination of the configuration in which the function of the seat surface (110) protruding from the top of the note because the plates are hanging stand supporting the casters and adjust the spacing of the pivoting plates that note.

However, in the related art, the place where the moving device such as a bogie is used is not clean, and vibration and noise are generated in the wheels according to the foreign matters on the floor and the surface condition of the floor during the movement. There was a problem that the shock can not be buffered.

As a result, there is a problem that the load of the cargo loaded on the bogie and the casters for moving the loaded cargo is transmitted thoroughly, causing the vibration to occur and the wheels being damaged, which may cause a problem of affecting the user due to loud noises.

Also, there is a problem that the impact generated when the loaded goods move is not buffered and the impact is provided to the cargo as it is, which causes a shock similar to throwing the cargo on the ground, and the cargo may be damaged by the impact There is a problem that another impact may be generated due to the damage of the cargo, which may affect other cargoes loaded.

The present invention has been devised to solve the above problems of the prior art. The present invention has been made in view of the above problems, and it is an object of the present invention to provide a non-vibration-free, shock-free, The purpose is to provide a caster with all-noise and non-toxic functions.

The above object of the present invention is achieved by a rolling device mounted on a bottom surface of a truck, comprising: a wheel; A first body housing coupled to a central axis of the wheel and having a connecting portion formed at a lower portion thereof to surround a portion of the wheel; A second body housing coupled to the other end of the first body housing by a shaft pin and coupled to enclose the first body housing, the second body housing spaced apart from the first spring housing in an oblique direction and hinged to an upper position by an axial pin; A first spring housing hinged to an upper side of the first main housing; A second spring housing hinged to one side of the upper portion of the second main housing and coupled at an upper position obliquely with respect to an upper side of the first main housing; A buffer means for connecting the first main body housing and the first main body housing to relieve an impact; And a top plate formed at a lower portion and attached to a bottom surface of the bogie, wherein the engaging portion is coupled to the upper end of the second body housing.

The buffer means may include: a first spring housing hinged to an upper side of the first main housing; A second spring housing hinged to one side of the upper portion of the second main housing and coupled at an upper position obliquely with respect to an upper side of the first main housing; A spring fixing bolt passing through the first spring housing and the second spring housing to connect therewith; And a spring coupled to an outer side of the spring fixing bolt and having one end supported by the first spring housing and the other end coupled to be supported by the second spring housing.

Wherein the wheel comprises a vibration isolating ring formed in a geometrical shape between the outer side and the central portion in a predetermined pattern; A noise isolation cap coupled to and sealing both sides of the vibration isolation ring; And a noise blocking cover coupled to an outer circumferential surface of the vibration blocking ring so that vibration can be dispersed by the vibration blocking ring and noise can be blocked by the noise blocking cap.

The vibration isolation ring and the noise isolation cap are non-toxic polyurethane, and the first and second main body housings are zinc-plated steel sheets.

And a brake device for stopping the rotation of the wheel, wherein the brake device comprises: a bracket coupled to one side of the center shaft so as to surround an outer side of the wheel; a hinge coupled to the bracket to rotate; And a protrusion formed at a lower portion thereof; And an elastic plate having one end connected to the inner side of the bracket and the other end closely attached to the protrusion of the lever and the pad having a pad formed in close contact with the outer circumferential surface of the wheel.

The castor according to the present invention is a castor having all the functions of non-vibration, no-shock, noiseless, and non-toxic, unlike a conventional castor having only one or two functions, Non-toxic urethane is molded and the partition wall is installed on the side to block the noise. Separate bearings are installed on both sides of the partition to allow the wheel to rotate stably, thus preventing noise and vibration.

In addition, it is possible to safely use the non-toxic urethane, and it is possible to reduce the impact due to the load of the cargo loaded by connecting the spring to the first main body housing and the second main body housing.

Further, the lifespan of the casters including vibrationless, noiseless, no-shock, and non-toxic can be increased, and each of the components is easy to assemble and disassemble, which facilitates maintenance.

1 is an exploded perspective view showing a caster according to the present invention,
Figure 2 is a combined perspective view of the casters according to the present invention,
3 is an exploded perspective view showing the cushioning means of the caster according to the present invention,
FIG. 4 is a cross-sectional view showing a caster according to the present invention,
5 is a perspective view showing a caster according to another embodiment of the present invention;
6 is a side view of a caster according to another embodiment of the present invention;
Figures 7 and 8 show a castor according to the prior art.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments described below are intended to be illustrative in nature to enable those skilled in the art to easily carry out the invention and that the technical idea and scope of the present invention will be limited It does not mean anything.

In addition, the size and shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined in particular in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or the operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

Fig. 3 is an exploded perspective view showing the cushioning means of the caster according to the present invention. Fig. 4 is an exploded perspective view of the caster according to the present invention. Fig. 4 is an exploded perspective view of the caster according to the present invention. FIG. 5 is a perspective view showing a caster according to another embodiment of the present invention, and FIG. 6 is a side view showing a caster according to another embodiment of the present invention.

As shown in FIGS. 1 to 6, the caster A according to the present invention is mounted on the bottom of a truck and operated in a rolling manner. The caster A is coupled to the wheel 100, A second body housing 300 in which a portion of the first body housing 200 is coupled with the first body housing 200 and a second body housing 300 coupled to the first body housing 200 And a top plate 500 coupled to the second body housing 300 and coupled to the bogie.

The wheel 100 includes a vibration isolating ring 120 having a circular shape formed in a predetermined pattern in a geometrical shape between an outer side and a central portion and having a center axis 260 penetrating through the center, And a noise isolation cover 160 coupled to the outer circumferential surface of the vibration isolation ring 120. The vibration isolation ring 120 is formed of a synthetic resin.

Accordingly, vibration can be dispersed by the vibration isolating ring 120, and the noise generated in the operation of the cloud by the noise isolating cap 140 is prevented from being diverted to the outside.

Preferably, the vibration isolation ring 120 is deformable in the shape of the flesh 124, and the flesh 124 is formed in a dense form to widely disperse the vibration.

The vibration isolating ring 120 is mounted on the wheel 100 to disperse shocks or vibrations that are sheared from the load on the wheels when the cargo loaded on the wheels moves, and can move without vibration during movement.

A noise shielding cover 160, which is a urethane molding having elasticity, is coupled to the outer circumferential surface of the vibration isolating ring 120 so that no noise and vibration absorption can be improved.

The noise isolation cap 140 may be installed on both sides of the vibration isolation ring 120 to block all noise that may be generated when the wheels are moved.

A circular hole 126 through which the bearing 143 can be mounted is formed at the center of the vibration isolating ring 120. A bearing 143 is mounted on the noise isolating cap 140 to be inserted into the through hole 126 Loses.

The center shaft 260 is coupled through the center of the bearing 143.

Therefore, when the wheel 100 rotates, the center shaft 260 of the wheel 100 can not rotate together, and noise generated when the wheel 100 rotates can be blocked.

Meanwhile, the vibration isolation ring 120, the noise isolation cover 160, and the noise isolation cap 140 are preferably made of a non-toxic material so as not to damage the human body.

Since the wheels made of only the vibration isolation ring 120 are tightly formed in the inside thereof, the noise generated in the forehead 124 is amplified in the empty space between the forehead 124 during the movement, A noise blocking cover 160 and a noise blocking cap 140 are provided outside the vibration blocking ring 120 to solve the noise problem while solving the vibration problem. 120 are minimized to the outside.

The first main body housing 200 and the second main body housing 300 are made of a non-toxic material.

Preferably, the vibration isolation ring 120, the noise isolation cover 160 and the noise isolation cap 140 are made of a non-toxic polyurethane material, and the first body housing 200 and the second body housing 300, Zinc ions are plated so as to be harmless to the zinc ions.

Polyurethane is a generic name of a polymer compound having uretane (URETHANE) bond (-NH-COO) in the molecule and is generally obtained by an addition reaction using polyisocyanate and polyol as main raw materials. Polyurethane ) Are various and rich in the kinds of raw materials. Thus, a variety of polyurethane materials having various molecular structures and physical properties have been synthesized according to their combination methods.

The first body housing 100 supports the wheel 100 so as to smoothly rotate the wheel 100 in a form that is connected to the central axis 260 of the wheel 100 and surrounds a part of the wheel 100. [ (Not shown).

The first main body housing 200 has a substantially ' section shape and is wrapped around a part of the wheel 100. The first main body housing 200 is coupled to the center of the wheel 100 at a central axis 260, And a connection part 210 to which the connection part 260 is coupled is formed on the lower side.

The first spring housing 410 is coupled to the front end of the groove 270 by the shaft pin 320 so that the first spring housing 410 is coupled to the front end of the groove 270, (Not shown).

And a second body housing 300 connected to the first body housing 200 and formed to cover and enclose the first body housing 200.

The second main housing 300 is coupled to the other side of the first main housing 200 by a shaft pin 310 and is coupled to surround the first main housing 200. The second main housing 300 is coupled to the first spring housing 410, And is hingedly coupled to the shaft pin 310 at an upper position.

The first main body housing 200 and the first main body housing 200 are equipped with buffering means 400 for mitigating the impact due to the load of the cargo.

The buffer means 400 includes a first spring housing 410 hinged to one side of the upper portion of the first main body housing 200; A second spring housing 420 hinged to one side of the upper portion of the second body housing 300 and coupled to the upper side of the first body housing 200 in an obliquely upper position by a shaft pin 320; A spring fixing bolt 430 passing through the first spring housing 410 and the second spring housing 420; And a spring 440 coupled to the outside of the spring fixing bolt 430 and having one end supported by the first spring housing 410 and the other end supported by the second spring housing 420 .

Accordingly, one end of the spring 440 is coupled to the first spring housing 410 and the other end is coupled to the second spring housing 420 to pass through the first spring housing 410 and the second spring housing 420, And the spring fixing bolt 430 may be fixed by the spring fixing bolt 430. The spring fixing bolt 430 may pass through the first spring housing 410 and then through the second spring housing 420, (Not shown).

Both ends of the spring 440 are fixed to the first spring housing 410 and the second spring housing 420 and the first spring housing 410 is connected to the first main housing 200 And the second spring housing 420 is connected to the second body housing 300.

Even if an impact is applied to the first and second main housing 200 and 300 while the wheel 100 moves due to the load of the loaded cargo, due to the shrinkage and expansion elastic force of the spring 440, 1 Since the main body housing 200 and the second main body housing 300 can flow, the load and the impact are absorbed, so that a sufficient buffering force can be obtained.

On the other hand, the top plate 500 is formed with a coupling portion coupled to the upper end of the second main body housing 300 and is attached to the bottom surface of the carriage.

The top plate 500 may be manufactured in a fixed form without bearings, or may be made in a rotatable form including bearings. The rotatable top play has a bearing 520 coupled to its coupling portion, and the bearing 520 is coupled to the inside of the upper portion of the second main body housing 300 so as to be rotated 360 degrees.

As shown in FIGS. 5 and 6, the caster A according to the present invention may further include a brake device 600 capable of controlling the rotation of the wheel 100.

The braking device 600 may be connected to the center shaft 260 of the wheel 100. When the cargo loaded with the braking device 600 is moved, the moving device such as a bogie can be easily stopped.

The braking device 600 includes a bracket 610 coupled to one side of the center shaft 260 to surround an outer side of the wheel 100 and a hinge coupled to the bracket 610, A lever 620 having a knob 621 and a protrusion 622 formed at a lower portion thereof and a lever 620 having one end connected to the inside of the bracket 610 and the other end being in tight contact with the protrusion 622 of the lever 620, And an elastic plate 630 formed with a pad 631 which is in close contact with an outer circumferential surface of the wheel 100.

Therefore, when the foot lever 620 is depressed, the elastic plate 630 is rotated downward, and the pad 631 is tightly fixed to the outer peripheral surface of the wheel 100.

Hereinafter, the operation of the present invention will be described.

A top plate 500 is installed on a lower bottom surface of the carriage and the second body housing 300 is coupled to the top plate 500 and the first body housing 200 is coupled to the second body housing 300 And the buffer means 400 are mounted.

Then, the wheel 100 is coupled to the first main body housing 200.

When the wheel 100 hits a small step on the way of rolling, the first body housing 200 is rotated to one side while the wheel 100 is slightly lifted upwards.

At this time, the second main body housing 300 hinged to the shaft pin 310 rotates slightly to the other side.

The spring 440, which is connected to the first body housing 200 at one end, is compressed to absorb the impact.

The spring 440 is inflated again to return to the original state and the second body housing 300 and the first body housing 200 are brought into their original state, thereby exhibiting the shock absorbing performance.

In addition, during the rolling of the wheel 100, the noise due to the micro vibration is dispersed by the fingers 124, and the noise is diffracted inside the vibration blocking ring 120 due to the sealing of the noise isolation cap 140, Noise performance is demonstrated.

The noise absorbing cover 160 made of non-toxic polyurethane is provided on the outermost surface of the wheel 100 and the first body housing 200 and the second body housing 300 are made of a plating So that the non-toxic performance can be exerted and the environmentally friendly performance can be exhibited.

Therefore, the caster (A) according to the present invention can be applied to a patient bed of a hospital or to a workbench of a semiconductor manufacturing facility, thereby providing vibration-free, noiseless, shock-free performance, and environmentally friendly performance.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

100: wheel 120; Vibration blocking ring
140; Noise isolation cap 200: first body housing
300: second main housing 400: buffer means
410: first spring housing 420: second spring housing
430; Spring fixing bolt 440; spring
500: Top plate

Claims (5)

Mounted on the bottom of the truck,
wheel;
A first body housing coupled to a central axis of the wheel and having a connecting portion formed at a lower portion thereof to surround a portion of the wheel;
A second body housing coupled to the other end of the first body housing by a shaft pin and coupled to enclose the first body housing, the second body housing spaced apart from the first spring housing in an oblique direction and hinged to an upper position by an axial pin;
A buffer means for connecting the first main body housing and the first main body housing to relieve an impact;
And a top plate formed at the lower portion and attached to the bottom of the bogie,
The buffer means may comprise:
A first spring housing hinged to an upper side of the first main housing;
A second spring housing hinged to one side of the upper portion of the second main housing and coupled at an upper position obliquely with respect to an upper side of the first main housing;
A spring fixing bolt passing through the first spring housing and the second spring housing to connect therewith;
A spring coupled to an outer side of the spring fixing bolt and having one end supported by the first spring housing and the other end coupled to be supported by the second spring housing; / RTI >
The wheel
A vibration isolating ring formed in a geometrical shape between the outer side and the central axis in a predetermined pattern;
A noise isolation cap coupled to and sealing both sides of the vibration isolation ring;
And a noise blocking cover coupled to an outer circumferential surface of the vibration blocking ring,
Wherein the vibration isolating ring is capable of dispersing the vibration and the noise can be blocked by the noise blocking cap.
The method according to claim 1,
Wherein the bearing is coupled to the coupling portion of the top plate, and the bearing is coupled to the upper portion of the second main housing to be rotated 360 degrees. delete The method according to claim 1,
Characterized in that the vibration isolating ring is densely formed in order to disperse vibration widely. The method according to claim 1,
Further comprising a brake device for stopping the rotation of the wheel,
The braking device
A bracket coupled to one side of the center shaft so as to surround an outer side of the wheel,
A lever hingedly coupled to the bracket and having a knob at an upper end thereof and a protrusion at a lower portion thereof;
An elastic plate having one end connected to the inside of the bracket and the other end being in close contact with the protrusion of the lever and the pad being in close contact with the outer circumferential surface of the wheel;
Free, noise-free, non-shock and non-toxic function.
KR2020140005100U 2014-07-07 2014-07-07 Caster having non-vibration, no-noise, non-impact, nontoxic function KR200474896Y1 (en)

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KR2020140005100U KR200474896Y1 (en) 2014-07-07 2014-07-07 Caster having non-vibration, no-noise, non-impact, nontoxic function

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Application Number Priority Date Filing Date Title
KR2020140005100U KR200474896Y1 (en) 2014-07-07 2014-07-07 Caster having non-vibration, no-noise, non-impact, nontoxic function

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200082645A (en) 2018-12-31 2020-07-08 이재현 Castors for children's protection
KR102254432B1 (en) * 2019-12-13 2021-05-24 좋은세상협동조합 Movable type store management system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200371230Y1 (en) * 2004-09-20 2005-01-05 광 섭 정 a caster
KR200412713Y1 (en) * 2005-12-28 2006-03-31 삼송공업 주식회사 Caster a shock absorbing structure
JP2009154635A (en) * 2007-12-26 2009-07-16 Sisiku Addkreis Corp Shock absorption caster

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200371230Y1 (en) * 2004-09-20 2005-01-05 광 섭 정 a caster
KR200412713Y1 (en) * 2005-12-28 2006-03-31 삼송공업 주식회사 Caster a shock absorbing structure
JP2009154635A (en) * 2007-12-26 2009-07-16 Sisiku Addkreis Corp Shock absorption caster

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200082645A (en) 2018-12-31 2020-07-08 이재현 Castors for children's protection
KR102254432B1 (en) * 2019-12-13 2021-05-24 좋은세상협동조합 Movable type store management system

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