KR200298050Y1 - A roller which can be controlled the height - Google Patents

Abstract

The present invention relates to a roller coupled to a sliding door, a sliding window, and more particularly, to a roller having a height adjustable to adjust a gap between a sliding door, a sliding window and a wheel fixing part to which the wheel is fixed.

Roller height of the present invention is adjusted to achieve the above object,

A roller unit including a wheel fixing unit on which a plurality of wheels are mounted and a roller shaft rotatably coupled to expose one end at a center of the wheel fixing unit; And a gear seating portion in which the height adjusting shaft gear and the roller shaft gear are vertically engaged, the one end portion being exposed to the outer surface, and the other end inserted into the height adjustment shaft gear to have a fixed height adjustment shaft. Height adjustment unit; is coupled to, one end of the roller shaft is inserted into the height adjustment unit and protrudes into the gear seating portion is rotatably screwed to the roller shaft gear, the roller by the rotation of the height adjustment shaft It is characterized by moving up and down.

The roller of the present invention provides the effect of facilitating the height adjustment of the roller fixed to the sliding door or the window, and also removes the roller from the door or the window even when a part of the roller is fixed inside the door or the window. It does not pull out, and provides the effect of being able to adjust the height of a roller easily.

Description

A roller which can be controlled the height}

The present invention relates to a roller coupled to a sliding door, a sliding window, and more particularly, to a roller having a height adjustable to adjust a gap between a sliding door, a sliding window and a wheel fixing part to which the wheel is fixed.

In general, sliding doors or sliding doors that are opened in a lateral direction are widely used in structures having doors such as buildings or furniture. These sliding doors or sliding doors constitute a rail on the upper or lower part of the door frame or window frame, and rollers moving on the rails are formed on the upper or lower part of the sliding door or sliding door to reduce the friction during the opening and closing of the door, thereby smoothly opening and closing the door. As well as to eliminate noise that may be caused by friction in the process of opening and closing the door.

However, in the installation of sliding doors, careful attention must be paid to the gap between the door and the frame so that the door does not engage or loosen. Therefore, even when the roller is mounted on the door, careful attention is paid to the proper spacing between the door and the door frame, and there is a problem in that a sliding door must be installed.

In order to solve this problem, Utility Model Registration No. 20--0190944 discloses a sliding door pulley, and the sliding door pulley described above is illustrated in FIG. 1.

The height-adjustable roller according to the prior art shown in FIG. 1 comprises an adapter part 4 having a housing 1, a wheel 1 for rotating a pin 2 axially, and such an adapter part 4. Consists of a conveying bolt (5) for conveying inside the housing (1). That is, the transfer bolt 5 is screwed to the adapter portion 4 in a screw-by-thread manner, and by rotating the transfer bolt 5, the adapter portion 4 moves up and down with respect to the housing 1 so that the wheel 3 Height) position is adjusted.

The height-adjustable roller of the prior art configured as described above is used to be fixed to the lower side of the sliding door made of a material such as aluminum chassis.

However, the height-adjustable roller of the prior art has a disadvantage that the appearance is not beautiful because it is fixed to the side of the sliding door. In addition, in the case of being inserted into the sliding door or the inside of the window, it is not possible to change the direction of the wheel, there is a problem that it is impossible to adjust the height of the roller without separating the roller from the sliding door or window.

Accordingly, the present invention has been made to solve the above-described problems, it is fixedly mounted on the inside of the sliding door without being exposed to the outside, and to provide a roller whose height is adjusted to easily adjust the height even after fixed mounting. The purpose.

1 is a perspective view of a sliding door roller having a height adjustment according to the prior art,

2 is a perspective view of a roller according to an embodiment of the present invention,

3 is an exploded perspective view showing the coupling structure of the roller of FIG.

4 is a cross-sectional view showing a coupling structure of the roller.

* Description of Major Symbols in Drawings *

100: roller

10: roller part

11 wheel 12 driving wheel

17: roller shaft

30: height adjustment

31: gear seating portion 32: height adjustment shaft

33: head 34: height adjustment shaft insertion opening

35: roller shaft insertion hole height adjustment

36: height adjustment shaft seat

40: roller shaft gear 41: height adjustment shaft gear

Roller height of the present invention is adjusted to achieve the above object,

A roller unit including a wheel fixing unit on which a plurality of wheels are mounted and a roller shaft rotatably coupled to expose one end at a center of the wheel fixing unit; And a height adjusting shaft in which a gear seating portion in which the height adjusting shaft gear and the roller shaft gear are vertically engaged are formed therein, one end of which is exposed to the outer surface, and the other end of which is fixedly coupled to the height adjusting shaft gear. The height adjustment portion having a; is configured to be coupled, one end of the roller shaft is inserted into the height adjustment portion and protrudes into the gear seating portion is rotatably screwed to the roller shaft gear, by the rotation of the height adjustment shaft The roller unit is characterized by moving up and down.

The height adjusting portion has a gear seating portion in the center, and the roller shaft is vertically penetrated from the gear seating portion through the height adjustment shaft insertion hole and the gear seating portion penetrates horizontally from the gear seating portion to one side of the height adjusting portion. It can be configured with the height adjustment roller roller insertion hole is inserted.

The gear seating portion is mounted so that the height adjustment shaft gear coupled to the end of the protruding height adjustment shaft and the roller shaft gear inserted into the roller shaft bolt of the roller shaft are vertically engaged with each other.

The height adjustment shaft gear and the roller shaft gear is to convert the rotation of the height adjustment shaft to the rotational movement of the roller shaft, it may have various forms such as bevel gear, spiral gear, worm gear.

Hereinafter, with reference to the accompanying drawings showing a preferred embodiment of the present invention will be described in more detail the present invention.

Figure 2 is a perspective view of a roller according to an embodiment of the present invention, Figure 3 is an exploded perspective view showing the coupling structure of the roller of Figure 2, Figure 4 is an internal cross-sectional view of the roller of Figure 2.

As shown in Figure 2, the roller according to an embodiment of the present invention, the roller portion 10 having a plurality of wheels 11 and the roller shaft 17 of the outer case 51 and the cover 50 It is configured to be coupled to the height adjustment unit 30 (see Fig. 3) located inside.

FIG. 3 is an exploded perspective view of the roller of FIG. 2 described above. Hereinafter, the components, the coupling structure, and the operation process of the roller will be described with reference to FIG. 3.

As shown in FIG. 3, the plurality of wheels 11 are rotatably mounted on both sides of the wheel fixing part 14 by the driving wheel 12 and the driving shaft 13.

The wheel fixing part 14 has a fixed part roller shaft inserting hole 15 penetrating up and down at the center, and the fixed part roller shaft inserting hole 15 has a large circumference at the upper side and two small holes at the lower side. In this connected configuration, the stepped portion 16 having a surface facing upwards by the difference in the circumferential size is formed at the connection portion.

The roller shaft 17 is inserted into and fixed to the fixed part roller shaft insertion opening 15 of the wheel fixing part 14. The body of the roller shaft 17 has a diameter that can be inserted into the circumferential circumference of the fixed roller shaft insertion hole 15, the end of the roller shaft 17 is inserted into the fixed roller roller insertion hole 15, the stepped portion It has the roller shaft head 18 which has the diameter of the grade which can be caught by (16). In addition, the other end surface facing the roller shaft head 18 has a screw hole 19. The screw hole (19) is screwed so that the roller shaft bolt (20) having a thread (21) formed on the outer circumferential surface thereof can protrude outward of the roller shaft (17).

The roller shaft 17 to which the roller shaft bolt 20 is coupled is such that the roller shaft head 18 is caught by the stepped portion 16 formed inside the fixed part roller shaft insertion hole 15 of the wheel fixing part 14. After being inserted, the roller shaft head 18 is fixed by being seated on the stepped portion 16. In addition, the roller shaft fixing pin 22 is inserted into the roller shaft head 18 on the wheel fixing portion 14, whereby the roller shaft 17 is prevented from being separated from the wheel fixing portion 14.

The height adjusting part 30 has a gear seating part 31 at the center, and passes through the horizontal direction from the gear seating part 31 to one side of the height adjusting part 30 so that the height adjusting shaft 32 is inserted. It has a height adjustment part roller shaft insertion hole 35 which penetrates vertically from the adjustment shaft insertion hole 34 and the gear seating part 31, and the roller shaft 17 is inserted.

At the inlet of the height adjustment shaft insertion hole 34 located at one side of the height adjustment unit 30, the height adjustment shaft seating portion 36 on which the head 33 of the height adjustment shaft 32 is seated is formed. Therefore, the height adjustment shaft 32 is inserted into the height adjustment shaft insertion hole 34 so that the head 33 of the height adjustment shaft 32 is seated in the height adjustment shaft insertion hole 36 and rotatable, and the height adjustment shaft gear 41 It is fixed by).

The height adjusting part 30 may also have a cover 50 and an outer case 51, and the locking case 52 is formed in the outer case 51, and the locking groove 52 is provided in the height adjusting part 30. By being caught by), the height lever 30 and the outer case 51 may be configured to snap the snap lever 38 detachable by snap coupling.

Next, the coupling process and the operation process of the roller 100 having the above-described configuration will be described.

First, the roller shaft 17 to which the roller shaft bolt 20 is coupled is inserted into the wheel fixing roller shaft inserting hole 15 of the wheel fixing part 14 to which the wheel 11 is fixed, and thus to the roller shaft fixing pin 22. By being fixed by the roller portion 10 forms.

Next, the roller shaft 17 protruding from the roller part 10 is inserted into the height adjusting part roller shaft insertion hole 35 so as to protrude into the gear seating part 31 of the height adjusting part 30. The roller shaft having a nut hole in the roller shaft bolt 20 of the roller shaft 17 inserted into the gear seating portion 31 and having a diameter larger than the diameter of the height adjusting part roller shaft inserting hole 35 of the gear seating portion 31. The roller portion 10 is coupled to the height adjusting portion 30 by inserting the gear 40 to fix the roller shaft 17. The roller shaft 17 has a roller shaft bolt fixing pin 39 is coupled, the roller shaft bolt fixing pin 39 is protruded to the outside through the groove of the height adjustment portion 30, the roller shaft gear 40 to the rotation When the roller shaft gear 41 is rotated, the roller shaft bolt fixing pin 39 prevents the roller shaft 17 from rotating. Therefore, when the roller shaft gear 40 is rotated, the screwed roller shaft bolt 20 is moved in accordance with the rotational direction of the roller shaft gear 4 and accordingly the roller portion 10 is the height adjusting portion 30. It can be moved from Shanghai.

The height adjustment shaft 32 is also inserted into the height adjustment shaft insertion hole 34 of the height adjustment portion 30 so that one end portion protrudes into the gear seating portion 31. Then, the height adjustment shaft gear 41 is inserted and fixed to the end of the height adjustment shaft 32 protruding to the gear seating portion 31 so as to rotate together with the height adjustment shaft 32, the height adjustment shaft gear 41 is It is positioned to engage vertically with the roller shaft gear (40).

When the user rotates the height adjustment shaft 32 by this configuration, the height adjustment shaft gear is to rotate the roller shaft gear 40, the roller shaft bolt 20 according to the rotation direction of the roller shaft gear 40 By moving up and down, the roller portion 10 is moved from the height adjusting portion 30 to adjust the interval. Therefore, when the height adjustment unit 30 is fixed to the sliding door, sliding door, etc., by rotating the height adjustment shaft 32 is to be able to adjust the distance between the roller 100 and the sliding door.

In addition, when fixing the above-mentioned roller to be located inside the door window, etc., if the surface of the height adjusting portion 30 exposed by the height adjustment shaft 32 is exposed to the outside from the door or window, etc. It is possible to easily adjust the height of the roller without removing the roller 100 from the door or window.

Therefore, the roller of the present invention not only provides the effect of facilitating the height adjustment of the roller fixed to the sliding door or the window, and even if a part of the roller is fixed to the inside of the door or the window, the roller or the door or window It provides the effect of being able to easily adjust the height of the rollers without being separated from them.

Claims (1)

A roller unit including a wheel fixing unit on which a plurality of wheels are mounted and a roller shaft rotatably coupled to expose one end at a center of the wheel fixing unit; and The height adjustment shaft gear and the roller shaft gear is vertically engaged with the gear seat is formed therein, one end is exposed to the outer surface and the other end is inserted into the height adjustment shaft gear height adjustment having a fixed height adjustment shaft Part; is composed of a combination, One end of the roller shaft is inserted into the height adjusting portion and then protruded into the gear seating portion so as to be rotatably screwed to the roller shaft gear, the height of the roller being moved up and down by the rotation of the height adjusting shaft. Roller adjusted.