KR200440296Y1 - Traveling body for foldable door - Google Patents

Abstract

The present invention is a folding front door inside a doorway that serves as a security screening function when the door is opened, a wooden folding door made of multiple pairs of veranda borders, or a folding door of a wall-mounted closet in a residential space, such as an apartment. As for a traveling body for a folding door applied to a folding opening door, such as a bathroom,

According to the present invention, a fixed shaft, a body rotatably mounted on the fixed shaft, and a body having a roller fixing portion, vertical wheels at both ends of the roller coupled to the roller fixing portion, and a rotating material mounted between the fixed shaft and the body It consists of horizontal wheels: vertical wheels slide on the guide rails of the upper or lower horizontal guide rail brackets forming the door frame, and the horizontal wheels are provided with a folding door traveling body that slides along both sides of the guide rail brackets,

The folding door traveling body according to the present invention exhibits a smooth sliding operability during opening and closing, quietness without annoying noise during opening and closing operation, there is no fear that the wheel support is damaged by friction, and shows good running performance.

Horizontal wheel, vertical wheel, folding door, traveling body

Description

Traveling body for folding doors {TRAVELING BODY FOR FOLDABLE DOOR}

1 is a perspective view of a traveling body for a folding door according to an embodiment of the present invention.

2 is a front view of FIG. 1.

3 is an assembled exploded perspective view of the traveling body for a folding door according to the present invention of FIG.

4 is a perspective view illustrating a state in which the traveling body for the folding door of FIG. 1 is mounted on the folding door.

FIG. 5 is a mounting state diagram illustrating a state in which the folding door traveling body mounted on the folding door of FIG. 4 is mounted in the guide rail bracket. FIG.

Figure 6 is an exploded perspective view of the folding door traveling body according to another preferred embodiment of the present invention.

7 is a perspective view illustrating a state in which the traveling body for the folding door of FIG. 6 is mounted on the folding door.

FIG. 8 is a mounting state diagram illustrating a state in which the folding door traveling body mounted on the folding door of FIG. 7 is mounted in the guide rail bracket.

9 is a perspective view showing a closed state of an exemplary folding door to which the traveling body for a folding door of the present invention can be applied.

10 is a perspective view illustrating a partially open state of FIG. 9.

-Explanation of symbols for the main parts of the drawings-

1, 1a: traveling body for folding door of the present invention

2: body

2a: bottom 2b: wing

2c: roller fixing part 2d: opening

2e: pinhole

3: fixed shaft

3a: base 3b: main shaft

3c: insertion axis 3d, 3e: fixing hole

4: arm washer

4a: flange 4b: opening

4c: cylindrical portion 4d: threaded portion

5: washers

5a: flange 5b: opening

5c: cylindrical portion 5d: screw portion

6: pin

6a: head 6b: screw part

7: vertical wheel

7a: opening

8: roller

8a, 8b: head 8c: roller portion

8d: fixing hole 8e: fixing part

9: horizontal wheel 9a: opening

10: First Door

11: lattice 12: screen

20: Second Door

21: grid 22: screen

30: hinge

40: fastener

41: fastener 42: fastener

50: guide rail bracket

51: housing 52: slot

53: guide rail 54: release prevention jaw

55: slot 56: bottom plate

100: folding door

110, 120: vertical door frame 130, 140: horizontal door frame

The present invention relates to a traveling body for a folding door, and more particularly, a shading wooden folding door composed of a plurality of pairs of folding door doors and veranda borders, which are located directly inside the door and perform a screen protection function when the door is opened. In the folding door of the built-in closet of the living room such as the apartment, or the folding door of the bathroom, etc., it shows smooth sliding operation during opening and closing, quietness without distracting noise during opening and closing operation, and the wheel support may be damaged by friction. It is related with the traveling body for folding doors which has favorable running property without concern.

Folded doors or windows that can be folded in half or in multiple directions such as entrance doors, veranda doors, wall cabinets, bathroom doors, etc. Various traveling bodies have been proposed which are equipped with a pair of vertical wheels sliding along a guide rail at one upper end and / or lower end of the free end which is folded as much as possible.

However, in the case of the entrance door, etc., in which the frame size is relatively large and heavy, the vertical wheel support structure made of synthetic resin is rubbed in direct contact with the slot, the inner surface of the slit, or the step forming the guide rail, thereby smoothly opening and closing. There are serious problems, such as being incapable or making a strong noise that is annoying by friction, or, in severe cases, the vertical wheel support structure itself being broken.

Therefore, there has been no proposal for a folding door traveling body structure that enables a sufficiently quiet, reliable and smooth sliding motion to date.

Accordingly, a first object of the present invention is to provide a traveling body for a folding door that exhibits smooth driving operability through a traveling path of a guide rail when the traveling body equipped with the vertical wheels performs the opening and closing operation of the folding door.

The second object of the present invention is to induce the friction noise or the friction caused by the side surface of the traveling body on which the vertical wheels are mounted in contact with the slot or slit inner surface or the step that forms the guide rail in performing the opening and closing operation of the folding door. There is no fear of breakage and it is to provide a quiet and durable folding door vehicle.

According to a preferred aspect of the present invention for smoothly achieving the above-described first and second objects of the present invention, the fixed shaft, and the body having a roller fixed portion rotatably mounted on the fixed shaft and It is composed of a vertical wheel of the both ends of the roller coupled to the roller fixing portion, and a horizontal wheel that is rotatably mounted between the fixed shaft and the body: the vertical wheel is an upper or lower horizontal guide rail bracket forming a door frame The horizontal wheel is provided with a sliding door traveling body that slides along both sides of the guide rail bracket.

According to another preferred aspect of the present invention for smoothly achieving the first and second objects of the present invention, in the above aspect, the horizontal wheel is a rotating material between the fixed shaft and the body via a washer. It is provided with a folding-type host body.

According to another preferred aspect of the present invention for smoothly achieving the above-described first and second objects of the present invention, in the above aspect, the roller fixing portion of the body is formed in a pair and each roller fixing portion On both ends of each of the rollers to be joined is formed a traveling body for the folding door is formed a vertical wheel.

According to the above aspect of the present invention, the above and / or below free end of the folding door is stably and smoothly provided by the above-described horizontal and vertical wheels without fluctuation in the front-rear direction, which is the entry and exit direction, in the travel path of the guide rail bracket. Cloud movement.

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

First, Figures 1 and 2 are respectively a perspective view and a front view of the folding door traveling body 1 according to a preferred embodiment of the present invention, when described together for convenience, its main configuration is a fixed shaft (3), the fixing described above A body (2) rotatably mounted on the shaft (3) and having a roller fixing portion (2c), vertical wheels (7) at both ends of the roller (8c) coupled to the roller fixing portion (2c) described above; It consists of a horizontal wheel (9) which is rotatably mounted between the fixed shaft (3) and the body (2).

In the illustrated example, the body 2 is formed of a bottom portion 2a, a pair of wings 2b, and a roller fixing portion 2c formed on the wings 2b. The wing portion 2b and the roller fixing portion 2c may be formed in two or three pairs, and are within the scope of the present invention as long as they have the horizontal wheel 9 to be described later.

The roller fixing portion 2c may be formed integrally or separately on both wings 2b of the body 2, but is preferably integrally formed to reduce the number of parts and the number of man-hours.

A horizontal wheel 9 is rotatably interposed between the body 2 and the fixed shaft 3, and the body 2 is fixed shaft 3 by any fixing means such as the pin 6 shown. Is rotatably fixed). Therefore, the horizontal wheel 9 is located between the bottom of the bottom (2a) of the body (2) and the upper surface of the support (3a) of the fixed shaft (3). Here, the insertion shaft 3c extending downward from the fixed shaft 3 is inserted into and fixed to the fastener 40 as shown in Figs. 4, 5, 6, and 8, and the above-described horizontal wheel 9 ) And washers 4 and 5 so as to smoothly rotate the horizontal wheel 9 between the bottom of the bottom 2a of the body 2 and the top of the base 3a of the fixed shaft 3 respectively (FIG. 2, 3 and 6) may be intervened.

In the drawings, reference numerals 8a and 8b denote roller heads.

FIG. 3 is an exploded perspective view of the folding door traveling body 1 according to the present invention of FIG. 1, and since the main configuration thereof has been described above, the assembly structure will be mainly described.

First, in the illustrated example, the fixed shaft 3 is composed of a support portion 3a, a main shaft portion 3b, and an insertion shaft 3c from above, and each diameter is formed in a step-down manner. It is arbitrary in design.

A fixing hole 3d is formed at the center of the upper surface of the supporting part 3a, and optionally, the fixing hole 3e may be formed at the center of the bottom surface of the insertion shaft 3c.

Meanwhile, in the illustrated example, the body 2 is formed of a bottom portion 2a, a pair of wings 2b, and a roller fixing portion 2c formed on the wings 2b. The shape of the wing part 2b and the roller fixing part 2c is arbitrary in this invention.

The coupling between the body (2) and the horizontal wheel (9) of the fixed shaft (3) is a fixed shaft (3), washer (5), horizontal wheel (9), washer (4) in order from below And the body (2) in order, the horizontal wheel (9) and the body (2) to the fixed shaft (3) by coupling the pin (6) to the fixing hole (3d) of the base (3a) In addition to being coupled to the rotating material, the horizontal wheel 9 and the body 2 is rotatable independently of each other.

The washers 4 and 5 allow smooth rotation of the horizontal wheel 9 and the horizontal wheel 9 to rotate independently of the body 2, and the upper washer 4 has a flange 4a. The opening 4b is formed in the center, and the cylindrical part 4c which has a screw part in the inner periphery end extends downward, the lower washer 5 also has the flange 5a, and the opening 5b is formed in the center, The cylindrical portion 5c having the threaded portion 5d at the outer peripheral end thereof extends upward. Here, the cylindrical portion 4c of the upper washer 4 protrudes through the opening 9a of the horizontal wheel 9 and the cylindrical portion 5c of the lower washer 5 is inserted into the cylindrical portion 4c. Screwed in the closed state. The horizontal wheel 9 is thus located in the projecting cylindrical portions 4c, 5c of the washers 4, 5 and rotatably positioned in the area defined by the flanges 4a, 5a of the washers 4, 5. .

In the present invention, the upper washer 4 and the lower washer 5 as described above may of course be formed in reverse.

On the other hand, a pin hole 2e is formed at the center of the bottom portion 2a of the body 2 so that the pin 6 is inserted from above, and the threaded portion 6b is the supporting portion 3a of the fixed shaft 3. The screw 6 is screwed into the fixing hole 3d formed at the center thereof, and the head 6a prevents the bottom 2a of the body 2 from being separated.

The roller 8 rotatably coupled to the opening 2d formed in the roller fixing part 2c of the body 2 has a head 8a at one end and a fixing hole 8d at the other end. : a member 8 and a head 8b member having a fixing portion 8e, which members are mutually coupled by force indentation or a screw, and a pair of vertical wheels 7 having an opening 7a is formed by a head ( It is rotatably fitted between 8a) and the roller fixing part 2c on one side, and between the head 8b and the roller fixing part 2c on the other side.

Therefore, the traveling body 1 for the folding door according to the present invention is smoothly and quietly in the guide rail bracket (see reference numeral 50 of FIG. 5) described later by both the vertical wheel 7 and the horizontal wheel 9. It will travel in position.

Meanwhile, in the illustrated example, a pair of vertical wheels 7 is shown. However, only one vertical wheel may be installed between the roller fixing parts 2c. Within the realm.

FIG. 4 is a perspective view illustrating a state in which the folding door traveling body 1 of FIG. 1 is mounted on the folding door 100, and the folding door 100 is pivotally coupled to the hinge door 30 by a first door piece ( A grid 21 and an insect screen 22 formed of various patterns are provided together with the second door 20 and the second door 20, and formed in various patterns inside the frame of the second door 20. The same applies to the case of one piece 10.

Accordingly, the folding door 100 has a fixed end of the first door piece 10 (that is, the other end facing the hinge 30 installation end) is fixed to the door frame (not shown) and the free end of the second door piece 20. {That is, the other end facing the hinge 30 installation end} is traveling along the guide rail bracket (not shown) to perform the opening and closing operation, and thus the folding door traveling body 1 according to the present invention is shown As described above, the upper end and / or the lower end of the free end of the second door piece 20 are mounted.

FIG. 5 is a mounting state diagram illustrating a state in which the folding door traveling body 1 mounted on the folding door 100 of FIG. 4 is mounted in the guide rail bracket 50, and the guide rail bracket 50 is a horizontal door frame 130. It can be fitted in and secured by suitable fastening means such as screws or the like.

In the illustrated example, the guide rail bracket 50 has a housing 51 having a slot 52 elongated in the longitudinal direction, and a set of guide rails extending horizontally from the sidewalls of the housing 51 to the center. 53, the separation prevention jaw 54 extended upwardly orthogonally from the end of the guide rail 53, the slot 55 between the pair of separation prevention jaw 54, and the slot 52 described above. It consists of the bottom plate 56 of both sides.

Therefore, the housing 51 has a first space (not shown) and a horizontal wheel in which the vertical wheels 7 of the folding door traveling body 1 according to the present invention are located on the guide rails 53. It has a 2nd space part (not shown) in which (9) is located.

Meanwhile, reference numeral 40 denotes an insertion shaft 3c (see FIGS. 1 and 2) of the folding body traveling body 1 according to the present invention in a binding hole (not shown) formed therein as a binding hole.

As a result, the vertical wheels 7 of the folding door traveling body 1 according to the present invention travel on the guide rails 53 of the first space part (not shown) of the guide rail bracket 50, and the horizontal wheels ( 9 runs along both side walls of the second space portion (not shown). Accordingly, when the traveling body 1 for the folding door according to the present invention travels in the opening and closing direction of the folding door 100 by the vertical wheel 7, it is folded in the direction orthogonal to the opening and closing direction by the horizontal wheel 9. Even when a torsional force is applied to the door 100 (see FIG. 4), the door 100 serves to smoothly guide the folding door 100 to a proper position so as to enable smooth opening and closing of the folding door 100. Blades 2b may rub against the slots 55, or the pins 6 may rub against the slots 52 to produce annoying friction, or the pins 6 or 2b may break or break. There is no at all.

FIG. 6 is an exploded perspective view of the folding door traveling body 1a according to another exemplary embodiment of the present invention. Since the basic configuration thereof is substantially the same as that of FIG. 3, the differences will be mainly described.

The folding door traveling body 1a according to another preferred embodiment of the present invention has two rollers 8 in comparison with the folding door traveling body 1 shown in Figs. 1 to 3, and thus the vertical wheel 7 Is formed in total of four.

In the illustrated example, the fixed shaft 3 is composed of a support portion 3a, a main shaft portion 3b, and a threaded insertion shaft 3c from above, and the thread portion 3f is formed on the support portion 3a. However, the form is arbitrary in the present invention. In addition, a fixing hole (not shown) is formed at the center of the upper surface of the support part 3a.

On the other hand, the body 2 is the same as described in Figure 3, the fixing of the body 2 and the fixed shaft (3) is made by a pin (6) and the body 2 is also coupled to rotate in Figure 3 Since it has already been described, the description thereof will be omitted.

In the illustrated example, the coupling between the body 2 and the horizontal wheel 9 of the fixed shaft 3 intersects the fixed shaft 3, the washer 4, and the horizontal wheel 9 in order from the bottom. ), And then the body (2) in order, there is no upper washer.

The washer 4 allows the smooth rotation of the horizontal wheel 9 and the horizontal wheel 9 to rotate independently of the body 2, and the washer 4 has a flange 4a and an opening ( 4b) is formed, and the cylindrical part 4c which has the threaded part 4d in the inner periphery lower end part extends upwards. Here, the cylindrical portion 4c of the washer 4 protrudes upward through the opening 9a of the horizontal wheel 9 and is screwed to the threaded portion 3f formed on the supporting portion 3a. Therefore, the horizontal wheel 9 is located on the outer periphery of the cylindrical portion 4c of the washer 4 and is rotatably positioned in the area defined by the flange 4a of the washer 4.

In the present invention, the lower fastening type washer 4 as described above may be reversely fastening type, of course.

The roller 8 rotatably coupled to the opening 2d formed in the roller fixing portion 2c of the body 2 has a roller 8c having a head 8a at one end and a head 8b at one end. It consists of a roller (8e), the fastening of the roller (8c) and the roller (8e) can be mutually coupled by a forced press or screw type.

The vertical wheel 7 having the opening 7a is rotatably fitted between the head 8a and the roller fixing part 2c on one side, and between the head 8b and the roller fixing part 2c on the other side. Since two rollers 8 are used, two pairs of vertical wheels 7 are used.

Accordingly, the folding door traveling body 1a according to the present invention is smoothly and quietly in the guide rail bracket (refer to reference numeral 50 in FIG. 8) described later by both the vertical wheel 7 and the horizontal wheel 9. It will travel in position.

On the other hand, the binding opening 40 is coupled to the folding door traveling body (1a) according to the present invention is formed of a binding hole 41 and the fixing hole 42 below the washer 4 is placed (在 () The insertion shaft 3c of the fixed shaft 3 may be screwed and fixed in the above-mentioned binding hole 41. However, it is a matter of course that a simple forced press can be made without fixing a screw in the above-mentioned binding hole 41 and the insertion shaft 3c and fixed using a fixing means such as a screw from below.

FIG. 7 is a perspective view illustrating a state in which the folding door traveling body 1a of FIG. 6 is mounted on the folding door 100, except that a total of four vertical wheels 7 of the folding door traveling body 1a are provided. Since it is essentially the same as shown in Figure 4, the description thereof will be omitted.

FIG. 8 is a mounting state diagram showing a state in which the folding door traveling body 1a mounted on the folding door of FIG. 7 is mounted in the guide rail bracket 50. Since the basic configuration thereof is substantially the same as that shown in FIG. Only the differences will be explained mainly.

In the illustrated example, since the rollers 8 of the folding door traveling body 1a are two and the vertical wheels 7 are four, the guide rail bracket 50 is fitted in the horizontal door frame 130 accordingly, and is suitable for screws and the like. It is likewise possible to be fixed by the fixing means.

In the illustrated example, the guide rail bracket 50 includes a housing 51 having a slot 52 elongated in the longitudinal direction, and a set of guide rails extending horizontally toward the center from both sidewalls of the housing 51. 53, a guide rail 53 formed at an end portion of the partition wall 57 extending downward from the upper wall, two pairs of separation prevention jaws 54 extending upward from the end portions of the guide rails 53, and It consists of a slot 55 between each pair of separation prevention jaw 54, and the bottom plate 56 on both sides of the slot 52.

The partition wall 57 and the guide rails 53 formed at the extended end thereof are formed in an inverted T shape as a whole, and the amount of the guide rails 53 and the housing 51 formed at the extended end of the partition wall 57. The guide rails 53 extending horizontally from the side wall to the center are coplanar with each other.

Therefore, the housing 51 has a first space (not shown) and a horizontal wheel in which the vertical wheels 7 of the traveling body 1a for folding doors according to the present invention are located on the guide rails 53. (9) has a second space portion (not shown), and the first space portion is further divided into a left first space portion and a right first space portion divided by a partition wall 57.

Meanwhile, reference numeral 40 denotes that the insertion shaft 3c (see FIG. 6) of the folding body traveling body 1 according to the present invention is inserted into and fixed in a binding hole (not shown) formed therein as a binding hole. .

The vertical wheels 7 of the folding door traveling body 1a according to the present invention travel on the guide rails 53 of the first space part of the guide rail bracket 50, and the horizontal wheels 9 are the amount of the second space part. Since the traveling body 1a for the folding door according to the present invention travels in the opening and closing direction of the folding door 100 (refer to FIG. 7) by the vertical wheel 7, the traveling wheel 1a according to the present invention is driven by the horizontal wheel 9. Even when a torsional force is applied to the folding door 100 in a direction orthogonal to the opening and closing direction, the folding door 100 serves to smoothly guide the folding door 100 to a proper position so as to enable smooth opening and closing of the folding door 100. The pin 6 or vane when the vane 2b of the traveling body 1 rubs against the slot 55 or the pin 6 rubs against the slot 52 to generate annoying friction sound or is rubbed severely. There is no fear that the portion 2b will be broken or broken as described with reference to FIG. 5.

FIG. 9 is a perspective view illustrating a closed state of an exemplary folding door 100 to which the folding door traveling bodies 1 and 1a of the present invention can be applied, and FIG. 10 is a perspective view illustrating a partially open state of FIG. 9. Let's explain.

The folding door 100 is a first door 10 having a security grid 11 and the screen 12, and hinged to the second door 20 having a security grid 21 and the screen (22) The first and second doors 10 and 20 each have one set of vertical frames, one set of horizontal frames, and one intermediate frame, but the intermediate frames may be formed in plural. In addition, the intermediate frame may be provided with a locking part, a grip part, and an illumination part if necessary.

Security grids 11 and 21 and insect screens 21 and 22 are formed in regions defined by the vertical frame, the horizontal frame and the intermediate frame of the first and second door pieces 10 and 20.

On the other hand, the door frame is formed of a set of left and right vertical frame (110, 120) and a set of vertical frame 130, 140.

Therefore, the traveling body (1, 1a) for the folding door according to the present invention is fixed to the upper end and / or lower end of the free end of the folding door 100 (that is, the other end opposite to the hinge side of the second door 20)} The fastening doors 1 and 1a in a guide rail bracket fixedly fixed to a fastener (for example, reference numeral 40 in FIGS. 4 to 6 and 8) and inserted into a set of horizontal frames 130 and 140. ) Vertical and horizontal wheels are driven in accordance with the opening and closing operation of the folding door (100).

As described above, when the folding door traveling body according to the present invention is mounted on the folding door, the upper and / or lower ends of the folding doors are in and out of the traveling path of the guide rail bracket in performing the opening and closing operation of the folding door. The rolling motion is stably and smoothly rolled by the above-described horizontal and vertical wheels without oscillating in the front and rear direction, and the side of the traveling body comes into contact with the slot or slit inner surface forming the guide rail or its step, causing friction noise, or There is no fear of breakage of the moving body, so it is quiet and smooth driving operability and high durability.

Claims (12)

Fixed shaft, A body formed of a bottom portion having a pin hole, a pair of wings, and a roller fixing portion formed on the wing portion, the body being rotatably mounted on the fixed shaft; A vertical wheel mounted to the roller coupled to the roller fixing part; It consists of a horizontal wheel which is mounted rotationally between the fixed shaft and the body via a washer: The body is rotatably fixed to the fixed shaft by pins, the vertical wheels slide on the guide rails of the upper or lower horizontal guide rail brackets forming the door frame, and the horizontal wheels of the guide rail brackets. Folding door sliding body along both sides. delete The folding door traveling body of claim 1, wherein the roller fixing parts of the body are formed as a pair, and one vertical wheel is mounted to the outside of the roller fixing part. The folding door traveling body according to claim 1, wherein the roller fixing portions of the body are formed in pairs and a pair of vertical wheels are mounted on the inner and outer sides of the roller fixing portions, respectively. The folding door traveling body of claim 1, wherein the roller fixing parts of the body are formed in a pair and only one vertical wheel is formed between the pair of roller fixing parts. delete delete 2. The washer as set forth in claim 1, wherein the washer is formed in two, one washer has a flange, an opening is formed in the center, and a cylindrical portion extending with a threaded portion at the inner circumferential end thereof, and the other washer has a flange and is in the center. An opening is formed and a cylindrical portion having a threaded portion is extended at the outer circumferential end thereof, and the cylindrical portion of one washer protrudes through the opening of the horizontal wheel and is screwed with the cylindrical portion of the other washer inserted into the cylindrical portion. Folding body. According to claim 1, wherein the washer is formed in one, has a flange, an opening is formed in the center and a cylindrical portion having a screw portion at the lower end of the inner periphery is extended, the screw portion is formed in the support portion of the fixed shaft, A traveling body for a folding door, in which a screw of one washer is screwed into the screw of the supporting part. 2. The roller according to claim 1, wherein the roller is rotatably coupled to an opening formed in the roller fixing portion of the body, wherein the roller is composed of two rollers having a head at one end thereof, and the fastening thereof is performed by force indentation or screwing. Folding door vehicle. 2. The roller according to claim 1, wherein the roller is rotatably coupled to an opening formed in the roller fixing portion of the body, and the roller includes a member having a head at one end and a fixing hole at the other end, and the fixing portion. The traveling body for the folding door which is mutually coupled by the forced press or screw of the head member which has According to claim 1, wherein the vertical wheel is located in the first space of the guide rail bracket forming a door frame to run on the guide rail, the horizontal wheel is located in the second space of the guide rail bracket Folding body traveling along the inner wall.

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