KR20160134108A - Caster with easy assembling wheels to caster bracket - Google Patents

Caster with easy assembling wheels to caster bracket Download PDF

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Publication number
KR20160134108A
KR20160134108A KR1020150067571A KR20150067571A KR20160134108A KR 20160134108 A KR20160134108 A KR 20160134108A KR 1020150067571 A KR1020150067571 A KR 1020150067571A KR 20150067571 A KR20150067571 A KR 20150067571A KR 20160134108 A KR20160134108 A KR 20160134108A
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KR
South Korea
Prior art keywords
caster
wheel
bracket
cover
shaft
Prior art date
Application number
KR1020150067571A
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Korean (ko)
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KR101834832B1 (en
Inventor
김영숙
Original Assignee
주식회사 선일
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Publication date
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Priority to KR1020150067571A priority Critical patent/KR101834832B1/en
Publication of KR20160134108A publication Critical patent/KR20160134108A/en
Application granted granted Critical
Publication of KR101834832B1 publication Critical patent/KR101834832B1/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
    • B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
    • B60B33/0005—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture characterised by mounting method
    • 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
    • B60B33/0002—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture
    • B60B33/0015—Castors in general; Anti-clogging castors assembling to the object, e.g. furniture characterised by adaptations made to castor
    • 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
    • B60B33/0028—Construction of wheels; methods of assembling on axle

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

Abstract

The present invention relates to a caster in which a caster bracket is easy to assemble a wheel, more particularly, to a caster bracket having coupling grooves on both sides thereof, a wheel having a shaft coupling groove at the center, And a caster cover which forms a coupling protrusion on an inner circumferential surface of the caster cover. The wheel shaft is rotatably coupled to the shaft coupling groove of the wheel, and the wheel shaft is inserted into the insertion groove of the caster cover The caster cover is fitted with the coupling protrusion of the caster cover and the coupling groove of the caster bracket so that the assembly can be easily assembled by fastening the components without bolts and nuts, The assembling time can be shortened and the productivity of the product can be improved. Further, It is possible to insert the wheel and the wheel axle into the caster cover while assembling the wheel axle in the axle coupling groove of the wheel without bolts and nuts when assembling the wheel so that the wheel axle is missing during the use of the casters and the wheel can be prevented from being broken. This is about an easy castor.
The caster of the present invention includes a caster bracket 10 fixedly coupled to a bottom surface of a moving body 50 and having a pair of coupling grooves 11 formed on both sides thereof; A wheel 20 inserted into the lower side of the caster bracket 10 and having a shaft coupling groove 21 formed at the center thereof; A wheel shaft 30 rotatably coupled to the shaft coupling groove 21 of the wheel 20 and a pair of insertion grooves 41 formed on the inner circumferential surfaces of the wheel shaft 30 and the wheel shaft 30, And a pair of coupling protrusions 42 formed on the other inner circumferential surface of the caster cover 40 so that both ends of the wheel shaft 30 to which the wheels 20 are coupled are inserted into the insertion grooves 41 and the caster cover 40 is fitted so as to surround the outside of the caster bracket 10 and at the same time the engaging projections 42 of the caster cover 40 and the engaging grooves 21 of the caster bracket 10 are engaged The caster bracket is characterized in that the caster bracket is easy to assemble the wheel.

Description

{Caster with easy assembling wheels to caster bracket}

The present invention relates to a caster in which a caster bracket is easy to assemble a wheel, more particularly, to a caster bracket having coupling grooves on both sides thereof, a wheel having a shaft coupling groove at the center, And a caster cover which forms a coupling protrusion on an inner circumferential surface of the caster cover. The wheel shaft is rotatably coupled to the shaft coupling groove of the wheel, and the wheel shaft is inserted into the insertion groove of the caster cover The caster cover is fitted with the coupling protrusion of the caster cover and the coupling groove of the caster bracket so that the assembly can be easily assembled by fastening the components without bolts and nuts, The assembling time can be shortened and the productivity of the product can be improved, It is possible to insert the wheel and the wheel axle into the caster cover while assembling the wheel axle in the axle coupling groove of the wheel without bolts and nuts when assembling the wheel so that the wheel axle is missing during the use of the casters and the wheel can be prevented from being broken. This is about an easy castor.

Generally, casters are widely used for heavy machinery and safety boxes due to their ease of movement. That is, the wheels are installed on the bottom surface so that heavy industrial machines or products can be easily transported. The wheels are installed so as to be rotated in the forward and backward directions so that they can be moved even with small force when they are transported.

The casters are manufactured so that the wheels rotate smoothly to perform smooth rolling motion even under a heavy load and at the same time have sufficient strength to withstand the load and are joined or welded to the bottom surface of the moving body requiring movement, .

As shown in FIG. 1, a conventional caster is disclosed in Korean Patent Registration No. 10-2014-0057918, which is constructed such that a fixed plate having a mounting hole is assembled on the bottom surface of a moving body requiring movement, And a wheel is rotatably coupled to a pivot shaft having a screw thread at a lower side of the bracket, and a nut is coupled to the screw to prevent the wheel from coming off.

However, since the conventional casters have a structure in which the nut is coupled to the pivot shaft to assemble the wheels, the user takes a long time to assemble the nuts by assembling the nuts at the time of assembly, resulting in reduced productivity. .

As shown in FIG. 2, Korean Patent Registration No. 10-1464526 discloses a structure in which a mount body coupled to a moving body and a caster coupled to the mount body are provided. The mount body includes a caster Wherein the caster is provided with a caster insertion groove to be inserted therein and a caster already assembled in the insertion groove is coupled to the caster insertion groove and the caster is detached from the mount body in a state where the caster is coupled with the mount body, So that the assembly between the mount body and the casters is simple and the assembling time can be shortened.

However, the above-mentioned prior art has a merit of being easy to assemble between the mount body and the casters, but it has a disadvantage that the casters must be produced in advance. That is, since the combined caster must be coupled to the mount body by the detachable member after the wheel fastener, the bracket and the wheel are coupled in advance, the total production time of the caster is not shorter than that of the prior art and the production cost is increased .

In addition, since the wheel is screwed to the bracket, the problem of detaching the wheel from the bracket during use can not be solved, and since the caster is fixed only by the detachable member, the rigidity of the fixed structure is insufficient, The member is disassembled or broken.

The present invention has been conceived in order to solve the above problems, and it is an object of the present invention to provide a caster bracket having coupling grooves on both sides thereof, a wheel having a shaft coupling groove at the center, an insertion groove on both sides of the inner circumference, The wheel axle is inserted into the insertion groove of the caster cover in a state where the wheel axle is coupled to the wheel axle and the wheel axle is coupled to the axle coupling groove of the wheel, And the coupling protrusion of the caster cover and the coupling groove of the caster bracket are coupled to each other so that the assembly can be easily performed by fastening the components without bolt and nut coupling, A castor bracket that can improve the productivity of the product. The purpose for the ball.

In addition, when the wheel is assembled, the wheel and the wheel shaft are inserted into the caster cover in a state where the wheel shaft is assembled into the axial coupling groove of the wheel without the bolt and the nut, so that the caster can prevent the wheel from falling off It is an object of the present invention to provide a caster which is easy to assemble a wheel on a bracket.

Further, when a caster cover is coupled with a caster bracket to which the wheels are coupled by forming a support extension between the support extension and the caster cover, the support part supports the wheel shaft and is firmly supported The present invention provides a caster which can be easily assembled to a caster bracket so that the caster can be operated without any fluctuation of the wheels.

The caster of the present invention includes a caster bracket 10 fixedly coupled to a bottom surface of a moving body 50 and having a pair of coupling grooves 11 formed on both sides thereof;

A wheel 20 inserted into the caster bracket 10 and having a shaft coupling groove 21 formed at the center thereof;

A wheel shaft 30 rotatably coupled to the shaft coupling groove 21 of the wheel 20,

A caster cover 40 coupled to a lower side of the caster bracket 10 and having a pair of insertion grooves 41 formed on both inner circumferential surfaces thereof and a pair of coupling protrusions 42 formed on the other inner circumferential surfaces thereof,

Both ends of the wheel axle 30 to which the wheels 20 are coupled are inserted into the insertion grooves 41 of the caster cover 40 and the caster cover 40 is fitted so as to surround the outside of the caster bracket 10 And at the same time the engaging protrusion 42 of the caster cover 40 and the engaging groove 21 of the caster bracket 10 are engaged with each other.

A pair of shaft fixing grooves 12 are formed at both lower ends of the caster bracket 10 so as to press and fix the upper portion of the wheel shaft 30.

A support extension 43 is formed inside the lower portion of the caster cover 40 and a support portion 44 for supporting the wheel shaft 30 is provided between the support extension 43 and the caster cover 40. [ Are integrally formed.

When the engaging protrusions 42 are engaged with the engaging recesses 11 on both sides of the engaging protrusions 42 of the caster cover 40, the engaging protrusions 42 are elastically bent outwardly, It is preferable that the slit 45 is formed.

In addition, the caster cover 40 may be made of ABS resin (acrylonitrile-butadiene-styrene resin; styrene (S), acrylonitrile (A), and butadiene (ABS) having impact resistance, chemical resistance and weather resistance B), which is a three-component styrene resin).

The castor bracket according to the present invention has a caster bracket having coupling grooves on both sides thereof, a wheel having a shaft coupling groove in the center, an insertion groove on both sides of the inner circumference surface, and a coupling protrusion And the wheel shaft is coupled to the wheel shaft, the wheel shaft is inserted into the insertion groove of the caster cover, and the wheel is coupled with the wheel shaft, The caster cover is fitted so as to surround the caster bracket outside and the coupling protrusion of the caster cover and the coupling groove of the caster bracket are coupled to each other. It is easy to assemble the wheels on the caster bracket that can improve the product productivity. This has the effect of providing a.

In addition, when the wheel is assembled, the wheel and the wheel shaft are inserted into the caster cover in a state where the wheel shaft is assembled into the axial coupling groove of the wheel without the bolt and the nut, so that the caster can prevent the wheel from falling off There is an effect of providing a caster which is easy to assemble the wheel on the bracket.

Further, when a caster cover is coupled with a caster bracket to which the wheels are coupled by forming a support extension between the support extension and the caster cover, the support part supports the wheel shaft and is firmly supported The caster can be assembled into the caster bracket so that the caster can be operated without the wheels being wobbled.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a conventional fixed and rotary casters for carrier waves. Fig.
2 is a wheel fastener securing wheels without conventional bolts and nuts.
3 is a perspective view of a caster in which a wheel can be easily assembled to a caster bracket according to the present invention.
4 is an exploded perspective view of a caster in which a wheel can be easily assembled to a caster bracket according to the present invention.
5 is a cross-sectional view of a caster in which a caster is easily assembled to a caster bracket according to the present invention.
6 is a perspective view showing a wheel shaft of a caster which is easy to assemble in a caster bracket according to the present invention is coupled to a wheel.
FIG. 7 is a perspective view of a caster bracket according to the present invention in which wheels of casters, which are easy to assemble wheels, are inserted into an upper portion of a caster cover.
FIG. 8 is a perspective view showing a caster cover of a caster which is easy to assemble a wheel in a caster bracket according to the present invention, at the bottom of a caster bracket.
9 is a perspective view showing a state in which a caster cover of a caster which is easy to assemble a wheel in a caster bracket according to the present invention is coupled to a lower portion of a caster bracket;

A casual example of a caster which is easy to assemble a wheel in a caster bracket according to the present invention will be described with reference to the accompanying drawings.

FIG. 3 is a perspective view of a caster which is easy to assemble in a caster bracket according to the present invention, FIG. 4 is an exploded perspective view of a caster in which a wheel is easily assembled to a caster bracket according to the present invention, 6 is a perspective view showing a wheel shaft of a caster which is easy to assemble in a caster bracket according to the present invention is coupled to a wheel, and Fig. 7 is a perspective view of a caster according to the present invention, FIG. 8 is a perspective view showing a state where a wheel of a caster which is easily assembled to a bracket is inserted into an upper portion of a caster cover, and FIG. 8 is a view showing a state where a caster cover of a caster, 9 is a perspective view of a caster bracket according to the present invention in which a caster cover of a caster, Requester is a perspective view showing the state coupled to the lower bracket.

The caster bracket according to the present invention has a caster bracket 10 fixedly coupled to the bottom of the moving body 50 and having a pair of coupling grooves 11 formed on both sides thereof; A wheel 20 inserted into the caster bracket 10 and having a shaft coupling groove 21 formed at the center thereof; A wheel shaft 30 rotatably coupled to the shaft coupling groove 21 of the wheel 20 and a pair of insertion grooves 41 coupled to the lower side of the caster bracket 10 on both inner circumferential surfaces And a pair of coupling protrusions 42 formed on the other inner circumferential surface of the caster cover 40 so that both ends of the wheel shaft 30 to which the wheels 20 are coupled are inserted into the insertion grooves 41 and the caster cover 40 is fitted so as to surround the outside of the caster bracket 10 and at the same time the engaging projections 42 of the caster cover 40 and the engaging grooves 21 of the caster bracket 10 are engaged .

The caster bracket 10 is in the form of a hexahedron having open top and bottom, and is fixedly coupled to the bottom surface of the moving body 50.

The caster bracket 10 may be welded to the bottom surface of a moving body 50 such as a safe or an industrial machine, or may be fixedly coupled with bolts and screws.

A pair of coupling grooves 11 to which the coupling protrusions 42 of the caster cover 40 are coupled are formed on both sides of the caster bracket 10 and the upper portions of the wheel shafts 30 are press- A pair of shaft fixing grooves 12 are formed.

The upper end of the shaft fixing groove 12 of the caster bracket 10 is preferably formed in an arc shape corresponding to the cylindrical wheel shaft 30.

The wheels 20 are installed to be rotatable forward and backward so that the moving body 50 can be easily moved.

The wheel 20 is inserted into the inside of the caster bracket 10 and an axle coupling groove 21 is formed at the center of which the wheel axle 30 is coupled.

The wheel shaft 30 is rotatably coupled to the shaft coupling groove 21 of the wheel 20 in a cylindrical shape.

Both ends of the wheel shaft 30 are protruded to both sides of the wheel 20 and inserted into the insertion groove 41 of the caster cover 40 when the wheel shaft 30 is coupled to the wheel 20 The length of the wheel shaft 30 is longer than the width of the wheel 20.

The caster cover 40 is in the form of a hexahedron having open top and bottom. A wheel 20 coupled with a wheel shaft 30 is inserted therein. The caster bracket 10 surrounds the caster bracket 10, Respectively.

That is, in the casters in which the wheels are easily assembled to the caster brackets according to the present invention, after the casters 20 having the wheel shafts 30 are inserted into the caster cover 40, the caster cover 40 is inserted into the caster brackets 10). Therefore, it is possible to fasten the caster parts without the bolt-nut connection. As a result, the assembling of the casters is simple, the assembling time can be shortened, and the productivity of the product is improved.

In addition, when the wheel shaft 30 is engaged with the shaft coupling groove 21 of the wheel 20 without bolts and nuts when assembling the caster (a small wheel that can freely change the direction used in a caster, etc.) Since the wheel 20 and the wheel shaft 30 are inserted into the caster cover 40 during the use of the caster, the coupling between the bolt and the nut is loosened to prevent the wheel shaft 30 from coming off, .

A pair of insertion grooves 41 into which both ends of the wheel shaft 30 are inserted are formed on both inner circumferential surfaces of the caster cover 40, A pair of engaging projections 42 are formed.

Preventing protrusions 46 are extended inwardly from both sides of the insertion groove 41 of the caster cover 40 to prevent the wheel shaft 30 from being detached from the insertion groove 41 due to an external impact do.

The engaging protrusions 42 of the caster cover 40 are formed on both sides of the engaging protrusions 42 such that when the engaging protrusions 42 are engaged with the engaging recesses 11, the engaging protrusions 42 are elastically bent outward, (45) is formed.

A support extension 43 is formed inside the lower portion of the caster cover 40. A support portion 44 is integrally formed between the support extension 43 and the caster cover 40, When the inserted caster cover 40 and the caster bracket 10 are engaged, the support portion 44 is firmly assembled while supporting the axle 30.

The caster cover 40 is excellent in impact resistance, chemical resistance, weather resistance, and the like. Especially, the caster cover 40 is made of ABS resin (acrylonitrile-butadiene-styrene resin, It is preferably formed of a styrene resin composed of three components, that is, styrene (R), acrylonitrile (A), and butadiene (B).

A method of assembling a caster in which a wheel is easily assembled to the caster bracket configured as described above will be described as follows.

In order to assemble the caster to the caster bracket according to the present invention, the wheel shaft 30 is inserted into the shaft coupling groove 21 of the wheel 20 as shown in FIG. At this time, both end portions of the wheel shaft 30 are projected to both sides of the wheel 20.

7, the caster cover 40 is inserted from the upper side to the inner side, and both end portions of the wheel shaft 30 are inserted into the caster cover (not shown) 40 are inserted into the insertion grooves 41 formed on the inner circumferential surfaces on both sides.

The caster cover 40 with the wheel 20 and the wheel shaft 30 assembled as described above is positioned below the caster bracket 10 fixedly coupled to the bottom surface of the moving body 50 as shown in FIG.

9, the caster cover 40 is coupled to the lower side of the caster bracket 10 so that the caster cover 40 is fitted so as to surround the outside of the caster bracket 10 and at the same time, So that the projection 42 is engaged with the coupling groove 11 of the caster bracket 10.

At this time, the shaft fixing grooves 12 formed at both lower ends of the caster bracket 10 press and fix the upper portion of the wheel shaft 30, and at the same time, the support portions (not shown) formed at the lower ends of the insertion grooves 41 of the caster cover 40 44 support the lower portion of the wheel axle 30.

Thus, the assembling of the casters, which are easy to assemble the wheels, to the caster brackets according to the present invention is completed.

In order to replace the wheel 20 due to wear of the wheel 20 due to the use of the castor which is easy to assemble the wheel in the caster bracket according to the present invention for a long period of time, So that the caster cover 40 is separated from the caster bracket 10.

The wheel 20 and the wheel shaft 30 inserted into the caster cover 40 are taken out to replace the worn wheel 20 with a new wheel 20 and then the caster cover 40 is rotated. .

9, the caster cover 40 is coupled to the lower side of the caster bracket 10, thereby completing the replacement of the casters 20 of the casters in which the wheels are easily assembled to the caster bracket according to the present invention.

As described above, the present invention is only one embodiment for carrying out a caster which is easy to assemble a wheel on a caster bracket, and the present invention is not limited to the above embodiment. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents. .

10: Caster bracket 11: Coupling groove
12: shaft fixing groove 20: wheel
21: shaft coupling groove 30: wheel shaft
40: caster cover 41: insertion groove
42: engaging projection 43:
44: receiving portion 45: slit
46: Dislocation preventing projection 50: Moving body

Claims (5)

A caster bracket 10 fixedly coupled to a bottom surface of the moving body 50 and having a pair of coupling grooves 11 formed on both sides thereof;
A wheel 20 inserted into the caster bracket 10 and having a shaft coupling groove 21 formed at the center thereof;
A wheel shaft 30 rotatably coupled to the shaft coupling groove 21 of the wheel 20,
A caster cover 40 coupled to a lower side of the caster bracket 10 and having a pair of insertion grooves 41 formed on both inner circumferential surfaces thereof and a pair of coupling protrusions 42 formed on the other inner circumferential surfaces thereof,
Both ends of the wheel axle 30 to which the wheels 20 are coupled are inserted into the insertion grooves 41 of the caster cover 40 and the caster cover 40 is fitted so as to surround the outside of the caster bracket 10 And the coupling protrusions 42 of the caster cover 40 and the coupling grooves 21 of the caster bracket 10 are engaged with each other at the same time. The method according to claim 1,
Wherein a pair of shaft fixing grooves (12) are formed on both lower ends of the caster bracket (10). The method according to claim 1,
Wherein a support extension 43 is formed inside the lower portion of the caster cover 40 and a support 44 is integrally formed between the support extension 43 and the caster cover 40. [ Casters for easy mounting of the wheels on the bracket. The method according to claim 1,
And a slit (45) is formed on both sides of the engaging projection (42) of the caster cover (40). The method according to claim 1,
The caster cover (40) is provided with a release preventing projection (46) extending inwardly on both sides of the insertion groove (41).
KR1020150067571A 2015-05-14 2015-05-14 Caster with easy assembling wheels to caster bracket KR101834832B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150067571A KR101834832B1 (en) 2015-05-14 2015-05-14 Caster with easy assembling wheels to caster bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150067571A KR101834832B1 (en) 2015-05-14 2015-05-14 Caster with easy assembling wheels to caster bracket

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KR20160134108A true KR20160134108A (en) 2016-11-23
KR101834832B1 KR101834832B1 (en) 2018-03-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220013667A (en) * 2020-07-27 2022-02-04 농업회사법인 플랜티팜 주식회사 Wheel device for transport

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200496475Y1 (en) * 2022-05-24 2023-02-08 허정빈 Caster cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220013667A (en) * 2020-07-27 2022-02-04 농업회사법인 플랜티팜 주식회사 Wheel device for transport

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