KR102616091B1 - Apparatus for sliding the bottom of windows and doors - Google Patents

Abstract

Pressure rollers are installed on both sides of the slider that slides by inserting into the rail, and a cover is sandwiched between the pressure roller and the seating jaw so that the cover can be seated on the seating jaw, allowing the door to be opened and closed without using the weight of the door. When doing this, the cover can be lifted as much as the slider section, while preventing foreign substances and dust from entering the rail. In particular, since the pressure roller mounted on the slider is configured to pressurize the cover, the door can be easily separated or assembled from the lower guide device while allowing the cover to be inserted into the main chuck without using the weight of the door. In addition, the pressure roller and the connecting bracket supporting the door are divided into one sub-slider, and an extension slider can be inserted between them, so the length can be adjusted to match the length of the lower part of the door.

Description

Bottom guiding device for doors {APPARATUS FOR SLIDING THE BOTTOM OF WINDOWS AND DOORS}

The present invention relates to a lower guiding device for a door, and more specifically, the structure is configured so that the pressure roller mounted on the slider can press the cover to sit on the seating jaw formed on the rail without using the weight of the door. It is simple, but when it is necessary to separate the door from time to time, the door can be easily separated from the slider for convenient construction or assembly. Accordingly, it can be easily applied to hanger doors for convenient use.

Generally, when opening or closing a door, the rail that supports the lower part of the door is opened on either side when the door is closed or opened, so there is a risk of dust or foreign matter entering the open part. Accordingly, as shown in (Patent Document 1) to (Patent Document 3) below, the rail is manufactured by covering the guide groove or rail with a belt or cover to prevent foreign matter or dust from entering the rail.

(Patent Document 1) Korean Patent No. 10-1703119

In order to completely break away from the sliding structure using rails (window frames) and rollers (windows), which are the main types of existing sliding window systems, a sliding belt module consisting of a belt and a carriage was introduced to ensure perfect wind protection, and the rail grooves visible from the outside were completely removed. It relates to a sliding flat window system that is shielded to prevent foreign substances from accumulating on the window frame and to maintain cleanliness, comprising a window frame having mounting portions on some or all of the lower, upper, left, and right sides, and a sliding door provided on the window frame and moving. It includes a sliding belt module including a window, a housing coupled to the mounting unit, a belt seated in a seating groove formed on the exposed surface of the housing, and a bogie coupled to the window and guided along the belt to move along the exposed surface. This is done.

(Patent Document 2) Korean Patent No. 10-2043814

It can be applied to automatic doors, sliding doors, folding doors, elevators, etc., and slide opening/closing doors. It completely breaks away from the sliding structure using rails and rollers, which is the main type of existing window systems, and achieves perfect wind protection through belts, and protects against wind protection from the outside. A flat window system that improves airtightness, airtightness, waterproofing, and dustproofing by completely shielding the visible rail groove, and a folding door for this, especially a hidden rotating means, so that the rotating means that provides folding of the door is not exposed to the outside. This relates to a folding door that provides stable rotation of the rotation means and a clean appearance by preventing the rotation from occurring.

(Patent Document 3) Korean Patent No. 10-1884911

In order to completely break away from the sliding structure using rails (window frames) and rollers (windows), which are the main types of existing sliding window systems, a sliding belt module consisting of a belt and belt pulley was introduced to ensure perfect wind protection and prevent foreign substances from accumulating on the window frames. It relates to a windproof sliding window system equipped with a sliding belt module that prevents wind damage and maintains cleanliness. A windproof sliding window system with a sliding belt module according to the present invention includes a window frame having mounting portions on some or all of the lower, upper, left, and right sides; a sliding window provided on the window frame and moving; and a sliding belt module, which is provided in the mounting unit and includes a belt having a connection part connected to the window, and a belt pulley supporting bending portions at both ends of the belt forming a pseudo endless orbit.

However, the substructure of existing doors has the following problems.

(1) The door has a complex structure that is not easily separated from the sliding part that slides on the rail.

(2) In some cases, the door must be separated from the sliding part, and it takes a long time to separate the door and then reassemble it when installing a repaired door or a new door.

(3) On the other hand, the sliding part is often integrated into the lower structure of the door, and the weight of the door must be used to press and seat the belt that closes the rail groove.

(4) Accordingly, the lower structure of the existing door is configured to use the weight of the door to press the belt, so it cannot be applied to doors that cannot use the weight of the door, such as hanger-type doors.

Korean Patent No. 10-1703119 (Registration Date: 2017.01.31) Korean Patent No. 10-2043814 (Registration Date: 2019.11.06) Korean Patent No. 10-1884911 (Registration Date: 2018.08.06)

The present invention takes these points into consideration, and a pressure roller is mounted on both sides of a slider that slides by fitting into a rail guiding the door, and a cover is sandwiched between the pressure roller and the seating jaw so that the cover can be seated on the seating jaw. By configuring the door to open and close, the cover is lifted as much as the slider section when opening and closing the door, but the remaining part of the cover is always seated on the seating jaw to prevent foreign matter and dust from entering the rail. It has a purpose.

In particular, the present invention is configured so that the pressure roller is mounted on a slider that slides without leaving the rail to pressurize the cover, so that the cover is caught between the seating jaw and the pressure roller and is pressed, without using the weight of the door, so that the lower part is pressed. Another purpose is to provide a lower guiding device for a door configured to easily separate or assemble the door from the guiding device.

In addition, the present invention divides the pressure roller that presses the cover and the connection bracket that supports the door into one sub-slider, and configures it to be extended by inserting an extension slider between them, so that it can be extended according to the length of the lower part of the door. Another purpose is to provide a lower guide device for doors that can be used by adjusting the length.

A lower guide device for a door according to the present invention to achieve this purpose includes a rail 100 installed into the floor or protruding; and a cover 200 installed on the rail 100; and a slider 300 installed on the rail 100 to slide in the longitudinal direction while supporting the lower part of the door. The rail 100 includes a sliding groove 110 formed on one side so that a portion of the slider 300 can protrude out of the rail 100 while allowing the slider 300 to slide without being separated; And a seating protrusion 120 formed on both edges of the entrance of the sliding groove 110 to form a plane with the rail 100 so that the cover 200 can be seated and close the sliding groove 110; Constructed;, the cover 200 is fixed to the rail 100 at both ends so that both edges rest on the seating ledge 120, and rides on the slider 300 in the section where the slider 300 is located. It is installed to lift as it passes over; The slider 300 is rotatably installed on both sides, and presses the portion of the cover 200 connected to the seating jaw 120 and the slider 300 so that the cover 200 sits on the seating jaw 120. A pressure roller 310 that does; a protruding portion 320 that protrudes out of the rail 100 between the pressure rollers 310 and lifts the portion of the cover 200 between the pressure rollers 310; At least two connection brackets 330 are provided with a mounting protrusion 331 located above the protruding portion 320 and fitted into the lower part of the door D, and mounted on the slider 300 so as not to interfere with the cover 200. It is characterized by the inclusion of ;.

In particular, the slider 300 is divided into two sub-sliders 300a and 300b to include the pressure roller 310 and the connecting bracket 330, and at least one expansion slider 300c is installed between them. However, it is characterized in that it is configured to fit the entire slider 300 to the lower length of the door (D) by forcibly fitting the sub sliders (300a, 300b) and the extension slider (300c).

In addition, the slider 300 is divided into two sub-sliders 300a and 300b to include the pressure roller 310 and the connecting bracket 330, and at least one expansion slider 300c is installed between them. However, the sub-sliders 300a, 300b and the expansion slider 300c are formed with an elastic portion 340 so that they can expand and contract in the longitudinal direction of the slider 300 while facing each other, and the elastic portion 340 is adjustable. It is characterized in that the entire slider 300 can be adjusted to the lower length of the door (D) by forming a hole 341 through it and fastening it with a screw.

And the slider 300 is characterized by an additional cover 350 on both sides to cover the seating jaw 120.

Lastly, the slider 300 is characterized by being provided with at least one rolling roller 360 so that it can roll in close contact with the inner surface of the rail 100 when a load is applied to the slider 300.

The lower guiding device for a door according to the present invention has the following effects.

(1) The pressure roller mounted on the slider sliding along the rail pressurizes the cover that closes the rail and seats it on the seating jaw, so that the cover closes the rail with just the sliding action of the slider, preventing foreign substances, dust, etc. from entering the rail. can prevent it.

(2) Accordingly, the slider and the door mounted on the slider can be configured to be easily separated. This is convenient because not only can the cover be easily finished without using the weight of the door, but the door can be easily removed and reinstalled when it is necessary.

(3) In addition, since the weight of the door is not used, the lower guiding device according to the present invention can be easily applied and safely used even on doors on which no load is applied to the lower part, such as hanger-type doors.

(4) In addition, the slider can be separated into two and then assembled by connecting at least one extension slider between them, so that the length can be easily expanded and expanded to match the length of the lower part of the door, allowing for convenient construction and safe use.

(5) Lastly, the slider is configured so that the rolling roller can be removed and installed, so that when the load of the door is applied to the slider like a regular door, the rolling roller can be mounted on the slider to achieve the effect of distributing the door load, It is convenient because it can be used without a rolling roller when the load of the door is not applied to the slider, such as a hanger door.

[Figure 1] is a side view showing a door to which the lower door guide device according to [Example 1] of the present invention is applied.
[Figure 2] is a perspective view showing the overall configuration of the lower guide device for a door according to [Example 1] of the present invention.
[Figure 3] is a cross-sectional view showing the overall configuration of the lower guide device for a door according to [Example 1] of the present invention.
[Figure 4] is a side view showing the overall configuration of the lower guide device for a door according to [Example 1] of the present invention.
[Figure 5] is a diagram showing the configuration of a rail according to [Example 1] of the present invention, where (a) is a perspective view and (b) is a cross-sectional view.
[Figure 6] is a perspective view showing the overall configuration of the slider according to [Example 1] of the present invention.
[Figure 7] is a partially disassembled perspective view to show the overall configuration of the slider according to [Example 2] of the present invention.
[Figure 8] is a partially disassembled perspective view to show another modified example of the slider according to [Example 2] of the present invention.
[Figure 9] is a partially disassembled perspective view to show the overall configuration of the slider according to [Example 3] of the present invention.
[Figure 10] is a cross-sectional view showing the overall configuration of the lower guide device for a door according to [Example 4] of the present invention.
[Figure 11] is a side view showing the configuration of a lower guide device for a door according to [Example 5] of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor may appropriately define the concept of terms in order to explain his or her invention in the best way. It must be interpreted with meaning and concept consistent with the technical idea of the present invention according to the principle that it can be done.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents can be substituted for them at the time of filing the present application. It should be understood that there may be variations.

The lower guide device for a door according to [Example 1] of the present invention is provided with a rail 100, a cover 200, and a slider 300, as shown in [FIGS. 1] to [FIG. 6].

In particular, as the slider 300 is inserted into the rail 100 and slides, the cover 200 that seats and finishes on the seating protrusion 120 formed on the rail 100 is lifted only by the portion of the slider 300. By configuring the door (D) to be able to open and close, the cover 200 can be seated on the seating protrusion 120 without using the weight of the door (D), making it applicable to hanger-type doors as well.

Hereinafter, this configuration will be described in more detail with reference to the attached drawings. Here, reference numeral "D" refers to a door used by installing a lower guiding device according to the present invention. Any door that opens and closes in a sliding manner can be used. In particular, it is a hanger type, so that the upper part is guided by sliding and the lower part is guided. It can also be applied to hanger-type doors such as lift doors or automatic doors.

go. rail

The rail 100 is installed to protrude or be embedded in the floor facing the lower part of the door D, as shown in [FIG. 1] and [FIG. 4]. At this time, the rail 100 is mounted on the door D to guide the door D so that it can slide, and the section that opens and closes on the rail 100 during sliding guidance is closed with a cover 200, which will be described later. It is configured to block dust or foreign substances from entering the rail 100.

This rail 100 is formed with a sliding groove 110 and a seating protrusion 120, as shown in [FIG. 1] to [FIG. 6].

1. Sliding groove

As shown in [FIGS. 2] to [FIG. 4], the sliding groove 110 guides the door D to open and close by inserting a slider 300, which will be described later, to slide along the longitudinal direction of the rail 100. This is a home for

At this time, as shown in Figure 5, the sliding groove 110 is a slider (300), which will be described later, so that it can be coupled to the door (D) without leaving the rail 100 when sliding. 300) A portion is configured to protrude out of the sliding groove 110. For this purpose, the sliding grooves 110 form ledges facing each other at the entrance portions, and a slider 300, to be described later, is inserted between these ledges and the bottom of the sliding groove 110 to slide without leaving the rail 100. It shows an example in which a portion of the slider 300 is formed to protrude out of the rail 100 between the facing jaws.

2. Seating jaw

Seating protrusions 120 are formed on both edges of the sliding groove 110, as shown in [FIG. 2] to [FIG. 5]. At this time, the seating protrusion 120 is formed on the outer surface of the rail 100, so that when the cover 100, which will be described later, is pressed against the sliding groove 110, the sliding groove 110 is closed to prevent dust or foreign substances, etc. It is configured to prevent it from entering the sliding groove 110.

In a preferred embodiment of the present invention, the seating jaw 120 is formed to become wider inward as shown in [FIG. 5(b)], so that a cover 200, to be described later, is formed between the seating jaws 120 facing each other. After being placed, when the cover 200 is pressed, it is desirable to configure the cover 200 to be forcibly sandwiched between the seating jaws 120 so that it does not easily come off or fall off.

me. cover

As shown in [FIGS. 1] to [FIG. 4], the cover 200 is formed to a length so that both edges can span the seating protrusions 120 formed to face each other as described above and close the sliding groove 110. At this time, the cover 200 is formed to be slightly longer than the length of the rail 100, which is longer than the length that can pass over the slider 300, which will be described later, inserted here while closing the sliding groove 110. . The cover 300 formed in this way is mounted by fixing both ends to the rail 100 so that it does not come off or fall off.

all. slider

The slider 300 is inserted into the above-described sliding groove 110, as shown in [FIGS. 1] to [FIG. 4], and is mounted to slide along the longitudinal direction of the rail 100. At this time, the slider 300 is configured so that both edges are seated on the seating jaw 120 and can be lifted and slid along the length of the slider 300 on the fixed cover 200. Additionally, a portion of the slider 300 protrudes out of the sliding groove 110 so that it can be assembled by inserting the door D.

This slider 300 includes a pressure roller 310, a protruding portion 320, and a connecting bracket 330, as shown in [FIGS. 2] to [4] and [FIG. 6].

1. Pressure roller

The pressure roller 310 is rotatably mounted on both sides of the slider 300, as shown in [FIGS. 2] to [4] and [FIG. 6]. At this time, the pressure roller 310 is attached to the slider 300 so that it is in a position to press the cover 200 located on the seating jaw 120 when the slider 300 is mounted on the sliding groove 110. It is installed.

In particular, in a preferred embodiment of the present invention, the pressure roller 310 presses the cover 200 at both ends of the slider 300 to seat it on the seating jaw 120, as shown in Figure 4. It is desirable to configure it so that the section of the cover 200 between the pressure rollers 310 is lifted from the sliding groove 110 to minimize the area where foreign matter or dust enters.

In addition, in a preferred embodiment of the present invention, the pressure rollers 310 are shown in [Figure 4] as an example of four mounted, one at each corner, to press the cover 200 on each seating ridge 120. However, by mounting one wide pressure roller 310 on both sides of the sliders 300 facing each other, it is possible to pressurize the covers 200 placed on the facing seating jaws 120 at once. It can also be configured.

2. Protruding part

The protruding portion 320 is formed to protrude out of the rail 100 through the sliding groove 110 described above, as shown in [FIG. 2], [FIG. 4], and [FIG. 6]. This is to allow the cover 200 that closes the sliding groove 110 to be lifted to provide space for the slider 300 to slide along the sliding groove 110.

This protruding part 320 is a part that allows the cover 200 to ride over, as shown in [Figure 4]. In this way, when the cover 200 goes over, it can move smoothly and smoothly while preventing the cover 200 from being damaged. It is desirable to remove the corners and form a curved shape.

3. Connection bracket

The connection bracket 330 is configured with a mounting protrusion 331 so that it can be mounted on the slider 300 and on the door D, as shown in [FIGS. 2] to [4] and [FIG. 6]. At this time, the mounting protrusion 331 is positioned on the slider 331 so that it can be inserted into the door (D) and assembled. This mounting protrusion 331 is located on the slider 331, that is, the protruding portion 320 described above. ) It is constructed so that it does not touch the cover 200, which moves in close contact with the top. Accordingly, the connection bracket 330 is shown as an example in which both ends are fixed to both sides of the slider 300 and are formed to surround the cover 200 placed on the protruding portion 320 without touching it.

The present invention made as described above is configured so that the pressure roller fixed to the slider presses the cover placed on the seating jaw to close the sliding groove, so that even if the slider is mounted to slide with the door, the door can be easily separated from the slider or It becomes possible to assemble. In particular, for this reason, the door can be applied to doors that do not receive much force at the bottom, such as hanger-type doors such as elevator doors or automatic doors, and problems such as airtightness, soundproofing, and windproofing are raised as problems with these hanger-type doors. can be easily solved.

The lower guiding device for a door according to [Example 2] of the present invention has the same configuration as the above-described [Example 1], as shown in [FIGS. 7] and [FIG. 8], but adds an extension slider 300c to open the door. The length of the lower guide device according to the present invention can be expanded and contracted to match the lower length of (D). Accordingly, here, the detailed description of the same configuration as [Example 1] described above will be omitted and the description will focus on the additional configuration.

In [Example 2], as shown in [FIGS. 7] and [FIG. 8], there are two sub sliders (300a, 300b) and at least one extension slider (300c) for use when inserting between them to extend the length. Included. Here, the two sub-sliders 300a and 300b are the slider 200 described in [Example 1] divided into two, and the sub-sliders 300a and 300b each include a cover 200 placed on the seating jaw 120. It is configured to include a pressure roller 310 that presses and a connection bracket 330 used when connecting to the door (D).

In particular, as shown in [FIG. 7], the sub sliders 300a and 300b are formed with an adjustment protrusion 311 on one and an adjustment hole 312 on the other. This is to enable the overall length of the slider 300 to be adjusted by successively inserting it into the adjustment holes 312 and adjustment protrusions 311 formed on both sides of the expansion slider 300c, respectively. At this time, the adjustment protrusion 311 and the adjustment hole 312 may be forcibly inserted and used to adjust their length, or may be used by firmly fixing them by fastening them using a clamp or fixing screw in this forcibly inserted state.

In addition, as shown in [FIG. 8], adjustment protrusions 311 are formed to protrude from each of the sub-sliders 300a and 300b, and these adjustment protrusions 311 are fitted on both sides of the extension slider 300c to adjust the length. An adjustment hole 312 may be formed to allow this.

The present invention made as described above can be used to fit the length of the lower part of the door by inserting at least one extension slider between the sub-sliders, or can be used to fit the length of the lower part of the door by allowing the length of the sub-slider to be adjusted in one extension slider. .

The lower guiding device for a door according to [Example 3] of the present invention has the same configuration as the above-described [Example 2], as shown in [FIG. 9], but has a structure that allows the length of the sub sliders 300a and 300b to be adjusted. There is a difference in Accordingly, the description here will focus on the length adjustment structure, and detailed descriptions of structures such as [Example 2] will be omitted.

[Example 3], as shown in [FIG. 9], an elastic portion 340 is formed so that both ends of the sub sliders 300a and 300b and the expansion slider 300c overlap each other, and this elastic portion In (340), several adjustment holes 341 are formed through the longitudinal direction, so that the elastic portions 340 butt each other, and then the adjacent adjustment holes 341 overlap and are screwed together so that the length can be adjusted. will be.

The lower guiding device for a door according to [Example 4] of the present invention has the same configuration as the other embodiments described above, as shown in [FIG. 10], but a cover 350 is added to the slider 300. Accordingly, the description here will focus on the cover 350, which is an additional component.

[Example 4] is configured by adding covers 350 to both sides of the slider 300, as shown in [FIG. 10]. At this time, the cover 350 is formed to have an area that can cover the above-described sliding groove 110, so that as the cover 200 is lifted in the section of the slider 300, dust or foreign matter passes through this part of the rail 100. This was done to block entry inside.

The lower guiding device for a door according to [Example 5] of the present invention has the same configuration as the other embodiments described above, as shown in [FIG. 11], but a rolling roller 360 is added to the slider 300. Accordingly, the description here will focus on the rolling roller 360, which is an additional component.

[Example 5], as shown in [FIG. 11], at least one rolling roller 360 is provided so as to roll in close contact with the inner surface of the rail 100. At this time, the rolling roller 360 is mounted to allow the door D mounted on the slider 300 to slide on the rail 100 while withstanding the load so that the door D can be opened and closed smoothly.

In a preferred embodiment of the present invention, the rolling rollers 360 are typically installed at least two in one door D, as shown in [FIG. 11], so that the load of the door D is not concentrated on one side. It is desirable to configure it so that it can stably disperse and absorb and provide smooth sliding guidance.

In addition, in a preferred embodiment of the present invention, the rolling roller 360 is mounted on the slider 300 to be located below the connection bracket 330 formed on the slider 300, as shown in [FIG. 11], thereby substantially It is desirable to configure the rolling roller 360 to stably support and provide sliding guidance even under the load of the door (D) transmitted to the connection bracket 330 that supports the door (D).

Lastly, in a preferred embodiment of the present invention, the rolling roller 360 is configured to be detachable from the slider 300, so that the load of the door D is not applied to the slider 300 like a hanger door. When mounting, it is most desirable to configure the rolling roller 360 so that it can be used separately from the slider 300.

100: rail
110: sliding groove
120: Seating jaw
200: Cover
300: Slider
310: pressure roller
320: protruding part
330: connection bracket
331: Mounting protrusion
340: Expandable part
350: cover
360: cloud roller

Claims (5)

delete A rail (100) installed on the floor or protruding; and a cover 200 installed on the rail 100; and a slider 300 installed on the rail 100 to slide in the longitudinal direction while supporting the lower part of the door. The rail 100 includes a sliding groove 110 formed on one side so that a portion of the slider 300 can protrude out of the rail 100 while allowing the slider 300 to slide without being separated; And a seating protrusion 120 formed on both edges of the entrance of the sliding groove 110 to form a plane with the rail 100 so that the cover 200 can be seated and close the sliding groove 110; composed; The cover 200 is fixed to the rail 100 at both ends so that both edges rest on the seating ledge 120, and is installed to lift while going over the slider 300 in the section where the slider 300 is located. ; The slider 300 is rotatably installed on both sides, and presses the portion of the cover 200 connected to the seating jaw 120 and the slider 300 so that the cover 200 sits on the seating jaw 120. A pressure roller 310 that does; a protruding portion 320 that protrudes out of the rail 100 between the pressure rollers 310 and lifts the portion of the cover 200 between the pressure rollers 310; At least two connection brackets 330 are provided with a mounting protrusion 331 located above the protruding portion 320 and fitted into the lower part of the door D, and mounted on the slider 300 so as not to interfere with the cover 200. ; is included,
At this time, the slider 300 is divided into two sub-sliders 300a and 300b to include the pressure roller 310 and the connecting bracket 330, and at least one expansion slider 300c is installed between them. A lower guide device for a door, characterized in that the entire slider (300) can be fit to the lower length of the door (D) by forcibly fitting the sub sliders (300a, 300b) and the extension slider (300c).
In paragraph 2,
The slider 300 is,
The pressure roller 310 and the connecting bracket 330 are divided into two sub-sliders 300a and 300b, and at least one expansion slider 300c is installed between them, and the sub-sliders 300a and 300b ) and the expansion slider 300c are formed with an elastic portion 340 so that they can expand and contract in the longitudinal direction of the slider 300 by facing each other, and an adjustment hole 341 is formed through the expansion portion 340 to allow the screw to be screwed. A lower guide device for a door, characterized in that it is configured to fit the entire slider (300) to the lower length of the door (D) by fastening it.
In paragraph 2 or 3:
In the slider 300,
A lower guide device for a door, characterized in that a cover 350 is additionally configured to cover the seating jaw 120 on both sides.
In paragraph 2 or 3:
In the slider 300,
A lower guide device for a door, characterized in that at least one rolling roller (360) is provided so that it can roll in close contact with the inner surface of the rail (100) when a load is applied to the slider (300).

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