KR100850317B1 - Fluctuating apparatus of the threshold - Google Patents

Abstract

A threshold fluctuating apparatus is provided to block noise and prevent dust and foreign materials from coming indoors by employing a lift member, which moves down to a floor when the door is closed. A threshold fluctuating apparatus comprises a door, a horizontally moving member(2), a fixing member(3), a plurality of vertically sliding members(4), and a lift member(9). The door is fixed to a door frame through hinges, having a partition therein. Installed at the bottom inside of the door, the horizontally moving member is slid horizontally by a horizontal spring(6), which is installed at one end of the horizontally moving member. The other end of the horizontally moving member is interfered with a door frame when the door is closed. The fixing member supports the horizontally moving member on a bottom such that the horizontally moving member slides horizontally, separated from the bottom. The vertically sliding members protrude out of the bottom of the door at regular intervals, and reciprocate vertically according to the horizontal movement of the horizontally moving member. The lift member is separated from the bottom of the door and moved vertically by the vertically sliding members, thereby closing the clearance between a floor and the door.

Description

Fluctuating apparatus of the threshold}

1 is a perspective view showing a threshold elevator apparatus of the present invention.

Figure 2 is a cross-sectional view showing the present invention threshold lifting device.

Figure 3 is a cross-sectional view showing an operating state of the threshold lifting device of the present invention.

4 is a sectional view showing an operating state of FIG. 2A;

5 is a sectional view showing the operating state of FIG. 2b.

Figure 6 is a perspective view showing an installation state of the threshold lifting device of the present invention.

Explanation of symbols on the main parts of the drawings

1: threshold lifting device 2: horizontal moving member

3: fixing member 4: vertical sliding member

5: distance control tube 6: horizontal spring

7: vertical spring 8: fixing bracket

9: lifting member 10: horizontal bearing

11, 11 ': pressing part 12: door

13: fixed frame 14: fixed plate

15: horizontal connector 16: vertical bearing

17: sliding ball 18: upper housing

19: Lower fixing bolt 20: Main horizontal movement shaft

21: secondary horizontal movement axis

The present invention relates to a threshold lifting device, in particular, by removing the threshold formed on the bottom of the door frame and attaching the lifting member to the bottom of the door to open and close the door when the lifting member lifts the opening and closing the gap between the door and the bottom surface to block the noise Of course, it relates to a threshold lifting device that prevents the inflow of dust or foreign matter.

In general, the swing door is attached to the side of the square door frame installed on the wall by hinges up and down, and when the door is rotated to open and close, the lower part of the door at the bottom of the door frame so that the bottom surface and the lower part of the door can be rotated smoothly. To form a threshold so as to protrude upwards corresponding to

Therefore, as the door rotates to contact the threshold, it blocks the inflow of dust or foreign substances into the gap between the door and the bottom surface.

However, when entering or exiting the door, children or the elderly are inadvertently tripped over the threshold protruding from the floor, causing a safety accident such as a fracture.

In particular, the infants are moved in a walker, etc. At this time, there was a problem such that it can not be moved any more by hanging on the threshold protruding from the floor.

In addition, there is a problem that the person who is uncomfortable with the body becomes an obstacle when moving in a wheelchair or the like and is not easy to move.

Therefore, in recent years, when building a new house or remodeling a house, there is an increasing tendency to remove the threshold and install a door in the door frame.

However, as described above, a small gap is formed between the door and the bottom surface so that the door frame can be smoothly rotated while removing the threshold, but foreign matters such as dust are introduced between the gaps, and there is no soundproofing effect, so if the privacy is not protected, the winter season In summer, there is a problem in that the cooling and heating effect is lowered due to the inflow and circulation of cold and warm air between the gaps.

The purpose of the present invention to solve the above problems is to prevent the safety accidents that are put on the threshold when children or the elderly are entering the door in advance, as well as infants who are uncomfortable with the pedestrians or people who are uncomfortable to enter the door It is to provide a threshold lifting device to facilitate.

In addition, the present invention is to block the inflow of noise and dust or foreign matter by opening and closing the lifting member by lifting and closing the gap between the door and the bottom surface to interlock so as to smoothly rotate the door when opening and closing the door.

An object of the present invention for achieving the above object is to operate in conjunction with the elevating member when the door installed in the door frame is rotated open and closed, the lifting member is lowered in the closed state of the door to seal the gap between the door and the bottom surface. And, when opening the door is characterized in that the elevating member is raised by the elastic force of the spring to smoothly rotate the door.

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

1 is a perspective view showing a threshold lifting device of the present invention, Figure 2 is a cross-sectional view showing a threshold lifting device of the present invention, Figure 6 is a perspective view showing an installation state of the threshold lifting device of the present invention.

According to the present invention, the lifting device 1 is a vertical sliding member 4 due to the interference caused by the left and right sliding operation of the horizontal member 2 when the lifting member 9 in close contact with the bottom surface when the door 12 is opened and closed. It is a structure which raises and lowers on the bottom surface 15 by the up-and-down lifting operation of).

The horizontal moving member 2 is a rod-shaped door frame by sliding both ends by the elastic force of the horizontal spring 6 by fastening both ends in the state spaced apart from the bottom surface 15 to the bottom inside of the door 12 in a rod shape And one end is a structure that interferes and terminates according to the rotation of the door (12).

In addition, the horizontal moving member (2) is provided as the main horizontal moving shaft 20 and the auxiliary horizontal moving shaft 21, and then coupled to be horizontal with the distance control tube 5 therebetween to adjust the spaced apart Structure.

The main horizontal movement shaft 20 passes through the space portion 23 between the door 12 and the diaphragm 22 while one side thereof is exposed to the side of the diaphragm 22. The horizontal spring 6 penetrates through the space 23 formed by dividing into the space 23 and is inserted into the main horizontal movement shaft 20 positioned in the space 23 so as to provide elastic force when sliding left and right.

In addition, two conical press portions 11 and 11 'are integrally formed to press and release the vertical sliding member 4 at predetermined intervals along the main horizontal movement shaft 20 passing through the space portion 23. Is formed.

The pressing portions 11 and 11 'have a conical shape that gradually increases from the direction of the space portion 23.

In addition, the end of the main horizontal movement shaft 20 drawn out horizontally to the end of the pressing portion (11, 11 ') is fastened to the distance control tube (5) for fastening to one side along the spiral.

The other side of the distance control tube (5) is horizontally coupled to the main horizontal movement shaft 20 and one side spirally coupled to the end is formed with a fixing bracket (8), the fixing bracket (8) to open and close the door 12 When the horizontal bearing (6) is hinged fastened so as to be rolled along the door frame while being in close contact with the door frame when pressed and released.

In addition, the horizontal movement member 2 is perpendicular to the bottom surface 15 between the pressing portions 11 and 11 'so as to be penetrated and spaced apart from the bottom surface 15 when the horizontal movement member 2 slides left and right. The fixing member 3 is installed.

The fixing member 3 forms a fixing frame 13 which is erected vertically on the bottom surface 12, and the main horizontal moving member 20 is formed through the center of the fixing frame 13 through a central plate shape. The fixing plate 14 is integrally formed to penetrate.

In addition, a plurality of vertical sliding members 4 are formed at the lower end of the door 12 to protrude at predetermined intervals so as to move up and down due to the left and right movement of the horizontal moving member 2.

The vertical sliding member 4 is a bottom surface of the door 12 so as to slide up and down according to interference and termination of the pressing parts 11 and 11 'integrally formed in the horizontal moving member 2 sliding left and right. 15, a plurality of sliding balls 17 are formed to penetrate at positions corresponding to the pressing parts 11 and 11 ′.

The upper housing 18 is inserted into the sliding ball 17, respectively, the upper housing 11 is cylindrical through the cylindrical shape so as to slide up and down, the upper portion along the pressing portion (11, 11 ') to contact The vertical bearing 16 is hinged to the fixing bracket 8 so as to be rolled, and the fixing nut 24 is welded to the lower portion so that the lower fixing bolt 19 is inserted and fixed.

In addition, the upper part of the lower fixing bolt 19 is fastened by the helical coupling to the fixing nut 24 of the upper housing 18, and the lower part may block a gap formed between the door 12 and the bottom surface 15. The elevating member 9 which moves up and down in accordance with the rotation of the door 12 is fastened.

The upper housing 18 is inserted between the bottom surface 15 and the fixing bracket 8 and between the lower end of the fixing nut 24 of the upper housing 18 and the elevating member 9 to provide elastic force up and down. The vertical spring 7 is inserted.

In addition, the lifting member 9 for moving up and down by the vertical sliding member 4 in the state spaced apart from the lower end of the door 12 to open and close the gap between the door 12 and the bottom surface 15 is a door ( It has a block shape with the same thickness as 12).

3 is a cross-sectional view showing an operating state of the threshold lifting device of the present invention.

According to the present invention, the threshold elevating device 1 is installed inside the lower end of the door 12, and the elevating member 9 is moved up and down by the elevating member 9 while being fastened to the lower end of the door 12. It is a structure for opening and closing the gap with the bottom surface (15).

Therefore, when the door 12 is opened in the state in which the threshold lifting device 1 of the present invention is installed in the door 12, the horizontal bearing 10 of the auxiliary horizontal moving shaft 21 of the horizontal moving member 2 has interference in the door frame. In the canceled state, the horizontal bearing 10 protrudes forward by the elastic force of the horizontal spring 6 installed in the space 23 of the door 12.

Then, the pressurization portions 11 and 11 'integrally installed on the main horizontal movement shaft 20 of the horizontal movement member 2 interlock together.

Since the pressing portions 11 and 11 'have a conical shape around the main horizontal movement shaft 20, when the pressing portions 11 and 11' move together with the horizontal bearing 10, the pressing portions 11 and 11 'move vertically. Terminate the interference.

Then, when the vertical sliding member 4 is elevated by the elastic force of the vertical spring 7 positioned up and down with respect to the bottom of the door 12, the lifting member 9 fastened to the lower portion of the vertical sliding member 4. Climb together in conjunction.

That is, the vertical sliding member 4 is inserted into the slide ball 17 formed on the bottom surface 15 of the door 12 in a state where the upper housing 18 and the lower fixing bolt 19 are spirally coupled up and down. Structure.

Accordingly, when the vertical bearing 16 formed on the upper portion of the upper housing 18 is rolled along the surfaces of the pressing parts 11 and 11 ′ and the interference is terminated, the upper housing 18 and the lower housing 18 which are the vertical sliding members 4 are fixed. The bolts 19 protrude together above the bottom surface 15 of the door 12.

Therefore, when the door 12 is opened, the elevating member 9 rises from the bottom surface 15 to smoothly rotate the door 12.

On the other hand, when the door 12 is closed, the horizontal bearing 10 protruding from the door 12 is rolled in the door frame according to the rotation angle of the door 12 and the horizontal bearing 10 is in close contact with the door 12. Pressurized to return to the original state, the pressing portion (11, 11 ') presses the vertical sliding member 4, the vertical bearing 16 of the upper housing 18 is rolled along the surface of the pressing portion (11, 11') While lowering the upper housing 18 and the lower fixing bolt 19, the lifting member 9 is also lowered to seal the gap of the bottom surface 15.

4 is a cross-sectional view illustrating an operating state of FIG. 2A.

According to the present invention, the lifting device 1 lifts and lowers the lifting member 9 by pressing and releasing the vertical sliding member 4 by the slide movement of the pressing units 11 and 11 '.

That is, the cone-shaped pressing portions 11 and 11 'integrally installed on the main horizontal moving shaft 20 and the vertical sliding member 4 which is rolled in contact with the surfaces of the pressing portions 11 and 11' are vertically. Located.

The vertical sliding member 4 seals the upper part in a cylindrical shape, and a fixing bracket 8 to which the vertical bearing 16 is hinged is attached to the upper surface.

In addition, the lower portion of the upper housing 18 is attached to the fixing nut 24 to be fastened to the lower fixing bolt 19, the fixing nut 24 is fastened by inserting the lower fixing bolt 19, The lifting member 9 is fastened to the lower portion of the lower fixing bolt 19.

Accordingly, the main horizontal moving shaft 20 and the auxiliary horizontal moving shaft 21, which are horizontal moving members 2, are horizontally installed on the upper side of the bottom surface 15 of the door 12, and the main horizontal moving shaft 20 is provided. The upper housing 18 into which the vertical spring 7 is inserted into the surface is inserted into the slide ball 17 through the bottom surface 15 of the door 12 in the state in which the pressing parts 11 and 11 'are installed. Tightening and fastening to the upper portion of the lower fixing bolt 19, and the vertical spring (7) is inserted into the lower fixing bolt 19 and the surface between the lifting member (9).

Therefore, when the door 12 is opened, the horizontal bearing 10 in close contact with the door frame protrudes forward, and the horizontal moving member 2 slides so that the width of the pressurizing portions 11 and 11 'is smaller than that of the upper housing 18. When the vertical bearing 16 rolls and moves along the surface, the fixing nut to which the vertical spring 7 and the lower fixing bolt 19, which are located at the bottom surface 15 of the upper housing 18 and the door 12, is fastened ( As the vertical spring 7 located between the 24 and the elevating member 9 is stretched and raised by the elastic force, the elevating member 9 is lifted from the bottom surface 15.

On the contrary, when the door 12 is closed, the protruding horizontal bearing 10 is brought into close contact with the door frame, and the horizontal bearing 10 returns to the inside of the door 12, and then integrally with the horizontal moving member 2. When the formed pressing parts 11 and 11 'move and press the vertical sliding member 4 downward, the upper housing 18 and the lower fixing bolt 19 are lowered, and the lifting member 9 is the bottom surface 15. Close to the gap is to block.

FIG. 5 is a cross-sectional view illustrating an operating state of FIG. 2B.

In the present invention, the threshold lifting device 1 spirally couples the horizontal moving member 2 separated by the main horizontal moving member 20 and the auxiliary horizontal moving member 21 into the distance adjusting tube 5, and the main horizontal moving member is formed on one side. The auxiliary horizontal moving member 21 is positioned on the other side of the member 20.

Therefore, the other end on which the distance adjusting tube 5 is not fastened in the main horizontal moving member 20 is a cross-shaped bolt, and when the screw is tightened and released with a screwdriver, the main horizontal moving shaft 20 spirals in the distance adjusting tube 5. By moving along and adjusting the width of the distance with the auxiliary horizontal moving shaft 21, the length of the horizontal moving member 2 as a whole can be adjusted according to the size or situation of the door 12.

As described above, the threshold lifting device of the present invention prevents safety accidents that are put on the threshold when children or the elderly are entering or exiting the door in advance, as well as infants who are uncomfortable with pedestrians or those who are uncomfortable, to easily access the door by wheelchair. It works.

In addition, the present invention has the effect of blocking the inflow of noise and dust or foreign matter by opening and closing the door by lifting the lifting member lifting the gap between the door and the bottom surface to interlock so that the door can be rotated smoothly.

Claims (8)

A door 12 having a partition 22 formed therein when the door frame is hinged and rotated; The lower end of the door 12 is fitted with both ends in a state spaced apart from the bottom surface 15 to slide left and right by the elastic force of the horizontal spring 6, so that the door frame and one end of the door interference and interference according to the rotation of the door and A horizontal moving member 2 which is terminated; A fixing member (3) for supporting the horizontal moving member (2) on the bottom surface (15) to slide left and right in a state spaced apart from the bottom surface (15); A plurality of vertical sliding members (4) formed to protrude at predetermined intervals at the lower end of the door (12) so that the horizontal movable member (2) moves left and right and interferes with the vertical movement; It is characterized by consisting of a lifting member (9) to move up and down by the vertical sliding member 4 in the state spaced at the bottom of the door 12 to open and close the gap between the door 12 and the bottom surface (15). Threshold lift made. According to claim 1, wherein the horizontal member (2) is rod-shaped, one side is exposed to the side of the door 12 and positioned horizontally past the space 23 between the door 12 and the diaphragm 22 A main horizontal movement shaft 20; A vertical spring 7 inserted into the space 23 through which the main horizontal movement shaft 20 passes, and engaged with the main horizontal movement shaft 20 to provide elastic force when sliding left and right; Conical presses (11, 11 ') arranged at predetermined intervals along the main horizontal moving shaft (20) penetrating the space (23) to press and release the vertical sliding member (4); A distance control tube 5 in which an end portion of the main horizontal movement shaft 20 drawn out horizontally toward the ends of the pressing portions 11 and 11 'is tightened to one side along a spiral; The other side of the distance control tube (5) is horizontally coupled to the main horizontal movement shaft 20 and one side spirally coupled to the end is formed with a fixing bracket (8), the fixing bracket (8) to open and close the door 12 Threshold lifting device, characterized in that consisting of the auxiliary horizontal movement shaft 21 is hinged to the horizontal bearing 10 so as to be rolled while being pressed and released according to the door frame. The door according to claim 1, wherein the vertical sliding member (4) slides up and down according to interference and termination of the pressing parts (11, 11 ') integrally formed on the horizontal moving member (2) sliding left and right. 12, the bottom surface 24 includes a plurality of sliding balls 17 formed corresponding to the positions of the pressing portions 11 and 11 '; The fixing bracket 8 and the vertical bearing may be inserted into the upper portion of the sliding ball 17 so as to slide upward and downward in a cylindrical shape, and the upper portion may be rolled along the contacting portions 11 and 11 '. The hinge is fastened, the lower portion and the upper housing 18, the fixing nut 24 is welded to the lower fixing bolt 19 is inserted and fixed; The upper portion of the fixing nut 24 is fastened to the upper housing 18 by a helical coupling, and the lower portion is lifted up and down according to the rotation of the door 12 so as to block a gap formed between the door 12 and the bottom. An actuating elevating member 9; The upper housing 18 is inserted between the bottom surface 24 and the fixing bracket 8 and between the lower end of the fixing nut 24 and the elevating member 9 of the upper housing 18 to provide elastic force up and down. Threshold lifting device, characterized in that consisting of a vertical spring (7). 2. The threshold elevating device according to claim 1, wherein the elevating member (9) has a block shape having the same thickness as that of the door (12). According to claim 2, wherein one end of the main horizontal movement shaft 20 is located in the side of the door 12 in the shape of the "+" shaped adjustment bolt, the auxiliary horizontal movement in the distance control tube (5) in accordance with tightening and termination Threshold lifting device, characterized in that for adjusting the interval with the shaft (21). The fixing frame (13) according to claim 1, wherein the fixing member (3) is located between the pressing parts (11, 11 ') and is vertically erected on the bottom surface (15), and horizontally above the fixing frame (13). Threshold lifting device, characterized in that the fixing plate 14 is formed integrally so that the moving member (2) penetrates. The height of the elevating member (9) and the bottom surface (15) according to claim 1, wherein the vertical sliding member (4) tightens and releases the upper housing (18) up and down from the helically coupled lower fixing bolt (19). Threshold lifting device, characterized in that to adjust. 2. The threshold lifting device according to claim 1, wherein the threshold lifting device (1) moves up and down when the door (12) is opened, and when the door (12) is closed.

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