KR101959386B1 - Roller assembly for sliding door - Google Patents

Abstract

The present invention relates to a roller assembly for a sliding door of a bath room, and more particularly, to a roller assembly for a sliding door which is slidably opened and closed by sliding, a slit groove having a predetermined length The present invention relates to a roller assembly for a sliding door of a bathroom, which can prevent the bolt member from being lost and the assembling performance of the sliding door can be improved by fitting the bolt member into the slit groove in a state where the bolt member is first engaged with the body of the sliding member will be.

Description

ROLLER ASSEMBLY FOR SLIDING DOOR [0001]

The present invention relates to a roller assembly for a sliding door of a bath room, and more particularly, to a roller assembly for a sliding door which is slidably opened and closed by sliding, a slit groove having a predetermined length The present invention relates to a roller assembly for a sliding door of a bathroom, which can prevent the bolt member from being lost and the assembling performance of the sliding door can be improved by fitting the bolt member into the slit groove in a state where the bolt member is first engaged with the body of the sliding member will be.

Generally, a bath room installed in a bathroom as a form of a storage room can be stored by combining a frame of a flat plate with a predetermined size cut and installing a partition in an inner space to accommodate a toilet seat, a towel, a toilet paper, and the like.

Such a bath room is provided with various open structures for opening and closing the inner space in the front part, and is usually divided into a sliding door type sliding door type sliding door type sliding door type bathroom door and a sliding door type sliding door type door type depending on a door opening / closing method.

First of all, the hinged-type cabinet is hinged or hinged so that one end of the door rotates freely and is opened and closed forward from the front of the bathing room starting from the hinges or hinges,

The sliding door type storage unit is provided with a rail portion on a main body of a bath room and a roller of each door is slidably engaged with the rail portion to open and close the door while sliding along the rail portion.

Since the double-hinged bath room needs to secure the turning radius of the door, there is a limitation in the installation space. Recently, the sliding door type bath room has been used so that the mirror attached to the front surface of the door can be used while the door is opened, Installation is preferred.

1A and 1B (Hereinafter, the reference numerals of Figs. 1A and 1B showing the prior art are the same as those in Figs. 2 to 6 showing the present invention) 10, the sliding-type bathing room includes a pair of slide doors 19 in a state in which the storage space in which the articles are stored is partitioned into several layers through the partition 11, Thereby opening and closing the storage space.

The sliding door of such a bath room is assembled with a bracket 18 bent in a '?' Shape to firmly engage and fix the roller (the lower roller rotating in the horizontal direction in particular) to the inner side of the door, A support on which the roller R is mounted is assembled by bolts.

In this case, conventionally, the bolts are assembled by inserting the bolts into the bracket 18 and the support for mounting the rollers R. However, since the bolts are very small, the bolts are difficult to hold by hand, and the support bodies rotate together when the bolts are tightened, .

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a bracket having an inner end open at its support portion for preventing loss of a bolt member, And the bolt member is inserted into the slit groove in a state where the bolt member is first coupled to the body of the sliding member so that the bolt member can be assembled into the slit groove.

In addition, the present invention relates to a rotary shaft which is protruded from one end of a body and integrally connected to each other so as to reduce the number of parts used as a sliding member and assembly process, And a hollow portion formed to penetrate in the longitudinal direction and having a release preventing end formed by bending the end portion of the rotation shaft by using a hollow portion when the roller is engaged, to provide a roller assembly for a sliding door of a bathroom.

In addition, the present invention is characterized in that the bolt member is formed of a receiving portion, a vertical engaging portion and a horizontal engaging portion so as to prevent the body of the sliding member from rotating together with the bolt member when the bolt member is inserted into the slit groove of the supporting portion And a locking protrusion protruding from both sides of the coupling hole of the body to be fitted in the slit groove of the supporting portion or being engaged with both sides of the supporting portion so as to be engaged with each other, The purpose is to provide.

To achieve the above object, according to the present invention, there is provided a roller assembly for a sliding door of a bathroom,

A bracket coupled to an inner side surface of a sliding door of a bathroom room and having a slit groove formed at an inner end thereof and having a predetermined length; And

A sliding member coupled to the supporting member in a vertical direction and having a roller slidably coupled to a rail portion of a bathroom main body, a bolt member fitted to the slit groove and fixed to the supporting member, ; And

In the roller assembly for a sliding door of a bathroom floor according to the present invention,

The sliding member includes a rotation shaft protruding from one end of the body and coupled with the roller,

The rotation shaft includes a hollow portion formed to penetrate in the longitudinal direction, and a separation preventing end formed by bending the end portion of the rotation shaft outward by using the hollow portion when the roller is coupled.

In addition, in the roller assembly for a sliding door of a bathroom floor according to the present invention,

The sliding member may further include a rotation preventing tab for preventing the body from rotating in the left and right horizontal directions at the support portion when the bolt member rotates,

The rotation preventing tab may include a support portion connected to the body, a vertical engagement portion bent in an outer vertical direction at both side ends of the support portion, and a horizontal engagement portion bent in an inner horizontal direction at an end of the vertical engagement portion, And the supporting portion is fitted in the fitting portion formed by the vertical and horizontal engaging portions.

Further, in the roller assembly for a sliding door of a bathroom floor according to the present invention,

The sliding member includes locking protrusions formed on both sides of the coupling holes of the body so as to prevent the body from rotating in the left and right horizontal directions when the bolt member rotates,

And the holding part is fitted into the slit groove or the supporting part is fitted into the receiving part between the locking projections.

 The roller assembly for a sliding door of a bathroom floor according to the present invention can engage the bracket with the sliding member by inserting the bolt member into the slit groove in a state where the bolt member is first coupled to the body of the sliding member, The sliding door can be assembled easily and quickly,

It is possible to improve the productivity by reducing the number of components used and the number of assembling steps by integrally forming the rotary shaft with the body, and to securely mount the roller by forming the departure prevention end by using the hollow portion of the rotary shaft,

It is possible to tighten the bolt member in a state where the body of the sliding member is fixed to the support portion by using the rotation preventing tab or the locking projection, thereby improving the workability.

FIGS. 1A and 1B are a perspective view and a sectional view for explaining a conventional bathroom structure;
2 to 4 are an assembled perspective view and an exploded perspective view showing a first embodiment of the present invention;
5 to 7 are an assembled perspective view, an exploded perspective view and a sectional view showing a second embodiment of the present invention.
8 to 10 are a combined perspective view, an exploded perspective view and a sectional view showing a third embodiment of the invention;

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

 In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

In describing the roller assembly for a sliding door of a bathroom unit according to the present invention, an unambiguous approximate direction reference will be described with reference to FIG. 4, FIG. 7, and FIG. 10 for the sake of convenience. Direction, and directions are specified in accordance with this standard unless otherwise specified in the detailed description and the claims of the invention relating to other drawings.

Hereinafter, a roller assembly for a sliding door of a bathroom floor according to the present invention will be described with reference to the accompanying drawings.

2 to 10, the roller assembly for a sliding door of a bathroom unit according to the present invention mainly includes a bracket 10 coupled to an inner side of a door, And a roller (23) slidingly coupled to a rail (not shown) of the sliding member.

The present invention particularly includes a roller 23 coupled to rotate horizontally in the left and right directions. In the present specification, a lower roller assembly installed at a lower portion of a sliding door will be described as an example. However, Needless to say, it can also be used as an assembly.

First, the bracket 10 is a 'B' -shaped member having a connecting portion 11 coupled to the inner side of the door and a supporting portion 12 bent inward from the lower end of the connecting portion 11, The bolt member 24 is inserted into the support portion 12 and is engaged with the body 21 of the sliding member 20. The bolt member 24 is inserted into the support portion 12 through the bolt insertion hole 11a, And a slit groove 12a is provided.

Particularly, the slit groove 12a of the present invention is formed so that its inner end is opened and has a predetermined length in the forward and backward directions.

The sliding member 20 includes a body 21 having a roller 23 vertically coupled to one surface (upper surface in the drawing) of the supporting part 12 and slidingly coupled to a rail part of a bathroom body, And a bolt member 24 inserted into the groove 12a and coupled to the body 21.

The body 21 has a rotary shaft 22 to which a roller 23 is fitted and mounted at one end (upper end in the drawing), and a screw portion 24a of the bolt member 24 is provided at the other end A coupling hole 21a to be coupled therethrough is formed

The bolt member 24 is composed of the screw portion 24a and the head portion 24b and the outer diameter of the head portion 24b is formed wider than the width of the slit groove 12a,

The head portion 24b presses the lower surface of the support portion 12 so that the body 21 is fixedly coupled to the support portion 12 by tightening the bolt member 24 fitted in the slit groove 12a.

When the body 21 on which the roller 23 is mounted is assembled to the supporting portion 12 of the bracket 10, the body 21 and the bolt member 22 before the coupling are assembled to the supporting portion 12 The body 21 can be fixed to the support portion 12 by tightening the bolt member 22 only after the bolt member 22 has been inserted into the engagement hole of the support portion 12 in the state of FIG.

The present invention is characterized in that the bolt member 24 is inserted into the slit groove 12a using the opening of the slit groove 12a in a state where the bolt member 24 is primarily fastened to the body 21, It is possible to prevent the bolt member 24 having a small size from being lost and the bolt member 24 to be fastened can be easily fastened so that the workability is improved and the door The position of the sliding member 20 (roller 23) can be easily adjusted by adjusting the position of the bolt member 24 using the slit groove 12a in accordance with the width between the rail portions.

4, 7 and 10, the sliding member 20 includes a rotation shaft 22 protruding from an upper end of the body 21 and fitted with the roller 23, ,

The rotation shaft 22 has a hollow portion 22A having an upper surface opened and penetrating in the longitudinal direction and an upper end portion of the rotation shaft 22 bent outwardly by using the hollow portion 22A when the roller 23 is engaged And an escape prevention step 22a formed thereon.

The body 21 and the rotary shaft 22 are integrally connected to each other through injection or die casting depending on the material.

The body 21 has a support end 21b projecting from the outer peripheral surface of the upper end so that the body 23A of the roller 23 sandwiched by the rotation shaft 22 is supported and the separation prevention end 22a of the rotation shaft 22 is supported. Is engaged with the upper surface of the receiving groove 23a of the body 23A to prevent the body 23A, that is, the roller 23, from being separated from the rotary shaft 22. [

Therefore, in the related art, the roller 23 is attached to the body 21 by inserting the separate iron core so as to penetrate the roller 23 (more strictly, the body 23A)

The present invention uses the rotary shaft 22 integrally connected to the body 21 instead of the iron core and presses the end portion of the rotary shaft 22 through the hollow portion 22A to form the departure prevention end 22a, 23) It is possible to reduce the number of components and assembly process for mounting.

In particular, since the roller 23 is mounted by the engagement structure of the separation preventing end 22a without using an iron core, the rotation of the roller 23 can be smoothly performed and the engagement of the roller 23 can be firmly maintained.

When the sliding member 20 is coupled to the supporting portion 12 using the bolt member 24, the bolt member 24 is tightened so that the body 21 does not rotate together with the bolt member 24, When the bolt member 24 is tightened while the roller 23 is first attached to the rail portion for adjusting the position of the sliding member 20, There is a problem that it is difficult to hold it so as not to rotate.

2 to 10, the rotation prevention tab 25 for preventing the body 21 from rotating in the left and right horizontal directions in the support portion 12 during rotation of the bolt member 24, , And a locking protrusion 26 is introduced.

The rotation preventing tab 25 shown in Figs. 2 to 7 includes a receiving portion 25A connected to the body 21 and a bending portion 25A which is bent outwardly (in the downward direction in the drawing) from both side ends of the receiving portion 25A, And a horizontal latching part 25C bent in the horizontal direction inward (left and right in the figure) at an end of the vertical latching part 25B and connected to the vertical latching part 25B, The support portion 12 is engaged with the fitting portion 25D formed by the horizontal engagement portion 25B and the horizontal engagement portion 25C while being fitted back and forth.

The rotation preventing tab 25 has a through hole 25a through which the threaded portion 24a of the bolt member 24 passes and which is fastened to the coupling hole 21a of the body 21, .

The rotation prevention tab 25 of the present invention is integrally connected to the body 21 through injection or die casting as in the case of the rotary shaft 22. The support portion 12 is inserted into the fitting portion 25D, 25 prevent the rotation of the body 21 when the bolt member 24 is tightened in this state as well as the rotation preventing tab 25 is prevented from rotating on the upper side of the support portion 12 And can be prevented from being separated.

The rotation preventing tab 25 shown in Figs. 2 to 4 is also provided with a rotation preventing tab 25A in which a slit groove 12a and a corresponding passage groove 25b are formed in the horizontal latching portion 25C so that the lower portion of the fitting portion 25D is opened. In one embodiment,

The rotation preventing tab 25 shown in Figs. 5 to 7 is formed such that a lower portion of the fitting portion 25D is closed and an insertion hole 25c corresponding to the through hole 25a is formed in the horizontal engaging portion 25C, In the second embodiment in which the above-

The lateral width of the passage groove 25b or the inner diameter of the insertion hole 25c is formed to be larger than the outer diameter of the head portion 24b of the bolt member 24 so that the head portion of the bolt member 24 24b are engaged with the support portion 12 while being received in the through-hole 25b or the insertion hole 25c.

The rotation preventing tab 25 of the first and second embodiments also has a structure in which the support portion 12 is inserted into the fitting portion 25D in the state where the bolt member 24 is first fastened to the body 21, The body 21 can be fixed to the support portion 12 by tightening the bolt member 24 using the insertion hole 25c or the insertion hole 25c.

In the third embodiment of the present invention, the locking protrusions 26 shown in FIGS. 8 to 10 protrude from both sides of the fitting hole 21a of the body 21,

The latching protrusion 26 is fitted into the slit groove 12a or the support portion 12 is fitted into the receiving portion between the latching protrusions 26. [

That is, as shown in the drawing, the engaging projections 26 are fitted in a state in which the body 21 is turned in accordance with the longitudinal direction of the slit grooves 12a,

Or not shown in the drawings, the engaging projections 26 are engaged with both side surfaces of the support portion 12 while being turned in a direction orthogonal to the longitudinal direction of the slit grooves 12A.

At this time, the arrangement direction of the latching protrusions 26 can be selected according to the width between the latching protrusions 26 or the widths of both sides of the support portion 12.

The locking protrusions 26 are integrally connected to the body 21 through injection or die casting and the locking protrusions 26 are engaged with the slit grooves 12a or the locking protrusions 26 are engaged with the supporting portions 12 The bolt member 24 is inserted into the fitting portion 25D while the support portion 12 is fitted in the fitting portion 25D of the rotation preventing tab 25 It is possible to prevent the body 21 from rotating,

The locking protrusion 26 of the third embodiment also has a structure in which the support portion 12 is inserted into the fitting portion 25D with the bolt member 24 first fastened to the body 21 and then the bolt member 24 is fastened to the support portion The body 21 can be fixed to the base 12.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. Changes and substitutions are to be construed as falling within the scope of protection of the present invention.

10: bracket 11:
11a: bolt coupling hole 12: support portion
12a: Slit groove
20: sliding member 21: body
21a: coupling hole 21b: supporting end
22: rotation shaft 22A: hollow portion
22a: departure prevention end 23: roller
23A: body 23a: receiving groove
24: bolt member 24a:
24b: head portion 25: rotation prevention tab
25A: receiving portion 25B: vertical receiving portion
25C: Horizontal hook portion 25a: Through hole
25b: Slit groove 25c: Insertion hole
26:

Claims (4)

A bracket 10 coupled to an inner side surface of a sliding door of a bathroom room and having a support portion 12 having an inner end opened and formed with slit grooves 12a having a predetermined length forward and backward; And
A body 21 having a roller 23 vertically coupled to one surface of the support part 12 and slidably coupled to a rail part of a bathroom main body and a body 21 fitted to the slit groove 12a, And a bolt member (24) for fixing the body (21) to the support part (12)

The sliding member 20 has a rotation shaft 22 protruding from one end of the body 21 and engaged with the roller 23 and a threaded portion 24a of the bolt member 24 is coupled A through hole 21a is formed through the through hole 21a,
The rotation shaft 22 is formed by bending the end portion of the rotation shaft 22 outwardly by using the hollow portion 22A when the roller 23 is engaged with the hollow portion 22A, And includes an escape prevention end 22a,

The sliding member 20 further includes a rotation preventing tab 25 for preventing the body 21 from rotating in the horizontal direction from the support portion 12 when the bolt member 24 rotates,
The rotation preventing tab 25 includes a receiving portion 25A connected to the body 21, a vertical receiving portion 25B bent in the outer vertical direction at both side ends of the receiving portion 25A, And a horizontal engaging part 25C bent inward in the horizontal direction at an end of the engaging part 25B and is engaged with the engaging part 25D formed of the receiving part 25A, the vertical engaging part 25B and the horizontal engaging part 25C The support portion 12 is fitted back and forth,

The rotation prevention tab 25 is formed so that the through hole 25a through which the threaded portion 24a of the bolt member 24 penetrates and is fastened to the coupling hole 21a of the body 21 is formed in the receiving portion 25A And,

The rotation preventing tab 25 may be formed with a through groove 25b corresponding to the slit groove 12a in the horizontal engaging portion 25C so as to open the lower portion of the fitting portion 25D, An insertion hole 25c corresponding to the through hole 25a is formed in the horizontal engagement portion 25C,
The lateral width of the passage groove 25b or the inner diameter of the insertion hole 25c is formed to be larger than the outer diameter of the head portion 24b of the bolt member 24 so that the head portion 24b of the bolt member 24 passes Is received in the groove (25b) or the insertion hole (25c) and is engaged with the support part (12).
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