KR101393419B1 - Door structure of apartment house having soundproof - Google Patents

Abstract

The present invention relates to an indoor door structure of an apartment house having excellent soundproofing properties, comprising a rectangular door frame with an opening at the center to be vertically installed on an entrance; a door which has a handle on one front side, which is installed on one side of the opening of the door frame to be rotated by a hinge, and which opens or closes the opening; and a soundproofing operation unit installed at the top and the bottom of the door to individually seal the upper and lower gaps between the door and the door frame. The soundproofing operation unit has an operation button protruding from the left front end of the door to be operated when the door is closed, a releasing button on the indoor handle to restore the door to its original state to be opened; and turns on an electric current by coming in contact with a charging unit of the door frame and operating the operation button when the door is closed in order to operate left and right hydraulic cylinders at the top and bottom, and upper and lower hydraulic cylinders on the left and right sides. The indoor door structure according to the present invention minimizes the number of components and simplifies the structure, therefore productivity can be improved as the entire production costs and assembling time are significantly reduced; is easy to use; facilitates repair when the indoor door structure is out of order; and has excellent noise reduction effects.

Description

[0001] The present invention relates to an indoor door structure having a soundproof function,

The present invention relates to an interior door structure for a dwelling house having excellent soundproofing function, and more particularly, to a structure for minimizing the number of parts and simplifying the structure, thereby greatly shortening the assembly time, The present invention relates to an indoor door structure for a dwelling house, which is improved in productivity, is easy to use, is easy to repair in the event of a failure, and has excellent soundproofing performance with excellent noise leakage and inflow blocking effect to indoor and outdoor.

Generally, the door sealing device is used to completely seal the gap between the door and the floor of the door to cut off the outside air flowing into the room, thereby increasing the efficiency of heating and cooling the room.

In the conventional utility model publication No. 87-12433 (Apr. 8, 1987), the packing is combined with the adjusting pin in the body, and is elastically provided by the stopper, the guide pin and the coil spring, The door was closed. When the door is closed, the adjusting pin exposed to the outside of the door is moved backward in a horizontal direction while being in contact with the door frame. At this time, the slider having the inclined surface at the bottom is also provided with a stopper, a guide pin, So that the strike having the inclined surface facing the inclined surface of the slider is lowered in the vertical direction and the pushing piece with the packing at the lower portion is lowered so that the packing is lowered to the lower end portion of the door It is useful to seal the gap between the air and the outside air to prevent penetration into the room.

In addition, in a public utility model publication No. 87-13626 (published on September 9, 1987), a push-in hole in which a packing is inserted in a body is made to protrude and retract into a lower portion of a body, And a pushing piece formed by inserting a packing in a lower part of the body formed by threaded holes at both ends of the lower part, a front end portion of the guide rod fastened to the adjustment head and guided by a coil spring and a spring bracket, A sealing device for a door is disclosed which is made by a front spacer having a rear end portion fitted and fixed and a rear spring spaced from a rear end portion fixed to the body by a leaf spring. In the door closing device, when the door is closed, the adjusting head is retracted while contacting the door frame, the guide rod engaged with the adjusting head retracts, and is fitted and fixed to the rear end of the guide rod. Since the rear spacer having the other end of the leaf spring is screwed to the body, the central portion of the leaf spring is bent, and the pushing spring is lowered to the lower side of the body by the elasticity of the leaf spring, It is useful to seal the gap between the bottom of the door and the bottom of the door to prevent the outside air from penetrating into the room.

However, since the door sealing device disclosed in the above-mentioned conventional utility model publication No. 86-12433 and publication No. 86-13626 has a complicated structure, it is constituted by a coil spring and a plurality of parts Since the pushing means for lowering the press plate downward and the restoring means for returning the lowered press plate to each other are provided separately from each other, the number of parts is increased and the assembling process time is long, There is a problem that the overall production cost is increased and the productivity is lowered. In addition, the assembling operation is inconvenient due to the complicated structure, and in particular, the repair work is inconvenient.

Japanese Unexamined Utility Model Publication No. 3-33189 discloses an airtight sealing device for a door in which a slider is press-fitted so that the poles of the opposing faces of the upper magnet and the lower magnet are of the same polarity (positive and negative poles, The sealing material is vertically lowered to be brought into close contact with the bottom surface. On the contrary, when the door is opened, the restoring force of the pin and the coil spring and the magnetic force of the other pole on the opposite side of the upper magnet and the lower magnet are restored upward The coil spring for resiliently supporting the slider is compressed and then the slider is pushed out by the restoring force so that the slider protrudes to the outside. However, the structure is also complicated, There was the same problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to minimize the number of parts and simplify the structure, thereby greatly shortening the assembling process time and thus greatly reducing the overall manufacturing cost, And it is an object of the present invention to provide an indoor door structure for a residential apartment which is excellent in soundproofing function which is excellent in repair work in case of failure,

In order to achieve the above object, the present invention provides a door device comprising: a rectangular shaped door frame having an opening in its center and vertically installed at a doorway; a handle provided on one side of the door; a hinge provided on one side of the opening of the door frame, And a soundproof operation means provided on an upper end surface and a lower end surface of the door to seal upper and lower gaps between the door and the door frame, respectively,

The door frame includes a recessed frame having an upper seating recess formed inwardly on an upper bottom surface and a lower seating recess formed inwardly on a lower upper surface thereof;

The door has upper and lower end projecting portions projecting from upper and lower ends in upper and lower end faces, upper and lower left and right hydraulic cylinders each having a vertically extending and retracted bar fixedly embedded in upper and lower ends of upper and lower end faces, respectively, Hydraulic cylinders having left and right upper and lower end hydraulic cylinders each having an engaging concave portion, one side of which is fastened and fixed to a telescopic bar of the upper and lower left and right hydraulic cylinders by slidably moving upward and downward, Upper and lower movable panels each having upper and lower elastic rods each of which is a rod-shaped elastic body fastened and fixed to the operation bar of the cylinder respectively; upper and lower extension pipes positioned between the upper and lower movable panels and the door rod end face by a rectangular tube body having an expanding force; Close to the upper and lower seating recesses Is a side cross-section has a gentle curved shape is fixed to the fastening bolt fixed to the upper and lower end faces of the upper and lower moving panel is formed with a top and bottom end panels having a work space in which the top and bottom elastic rod and out of the heart;

A filling means formed in the hinged inner side of the door frame so as to be filled; And

An operation button that is protruded from a left end surface of the door and is actuated when the door is closed is formed and a release button for returning the door to the original state in which the door can be opened is formed on the indoor side handle, And sounding operation means for energizing the upper and lower left and right hydraulic cylinders and the left and right upper and lower hydraulic cylinders by contact with the charging means of the frame.

The soundproof operation means includes an operation plate having a pair of energizing protruding terminals protruding from the side end face of the door to energize the door and generating an oil pressure to the upper and lower left and right hydraulic cylinders and the left and right upper and lower hydraulic cylinders Including a hydraulic pump which extinguishes;

The charging means includes a charging terminal that is embedded in the door frame and protrudes to the inside of the door frame to charge the rechargeable battery by electrical connection and a pair of current connection terminals to which the energizing protrusion terminal is connected to energize when the door is closed .

As described above, the present invention minimizes the number of parts and simplifies the structure, thereby greatly shortening the assembling process time and greatly reducing the overall manufacturing cost, thereby improving the productivity.

In addition, it is easy to use, it is easy to repair work in case of failure, and it has an effect of excelling in noise leakage and inflow blocking effect to indoor and outdoor.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing an interior door structure for a dwelling house,
FIG. 2 is an exploded perspective view showing a fastening state of an interior door structure for a dwelling house,
FIG. 3 is a view showing a state in which a door is opened in a door frame in an indoor door structure for a dwelling,
FIG. 4 is a side sectional view for showing a state in which a door is closed to a door frame and soundproofed by a soundproof operating means in an indoor door structure for a dwelling house,
FIG. 5 is a cross-sectional view illustrating a state in which a door is opened and closed in a door frame in an indoor door structure for a dwelling having excellent soundproofing function according to an embodiment of the present invention, and then the door is opened in the door frame.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the user, the intention or custom of the operator, and the like.

Therefore, it goes without saying that the definition should be based on the contents throughout this specification.

The indoor door structure for a dwelling according to the present invention has a rectangular door frame (20) having an opening (21) at the center thereof and vertically installed at an entrance and a door, and an indoor or outdoor side handle A door 10 provided on one side of the opening 21 of the door frame 20 so as to be rotatable by a hinge 22 to open and close the opening 21; A soundproof operation means 30 installed on each side of the door frame 20 to seal upper and lower gaps between the door 10 and the door frame 20, And a charging means 40.

The door frame 20 has a recessed frame 24 having an upper seat recessed portion 23 recessed inwardly on an upper bottom surface thereof and a lower seat recessed portion 24a recessed inwardly on a lower surface of the door frame 20, . It is preferable that the lower seating recessed portion 24a is formed in a more gentle oval shape so as to prevent entry and exit. It should be understood that the upper seating recess 23 may be formed directly on the door frame 20 or may have a separate louver frame having an upper seating recess 23.

The door 10 includes upper and lower end projections 11 and 11a projecting upward and downward from the upper and lower end faces, respectively and a pair of extensible bars 12a and 12 ', which are fixedly embedded in upper and lower ends of the upper and lower end projections 11 and 11a, respectively, The upper and lower hydraulic cylinders 12, 12 ', 13 and 13' have upper and lower left and right hydraulic cylinders 12, 13 'and 13'a, respectively, and fitting recesses 14 and 14 a and one side thereof are fastened and fixed to the telescopic bars 12a, 12'a, 13a and 13'a of the upper and lower left and right hydraulic cylinders 12, 12 ', 13 and 13' with fastening bolts 14b, Left and right upper and lower hydraulic cylinders 15, 15 ', 16 and 16' having operating bars 15a, 15'a, 16a and 16'a which are slidably moved respectively and fixed to the left and right sides of the upper and lower sections, respectively, And upper and lower elastic rods 17 and 17a which are bar-shaped elastic bodies to which the left and right ends are fastened and fixed to the operating bars 15a, 15'a, 16a and 16'a of the upper and lower hydraulic cylinders 15, 15 ', 16 and 16' Upper and lower moving panels 14 and 14 ', respectively, Upper and lower extension pipes 15 and 15a located between the upper and lower movable panels 14 and 14 'and the front end face of the door 10 in a rectangular tube shape, and upper and lower extension pipes 15 and 15a positioned on the upper and lower seating recesses 23 and 24a when the door 10 is closed. The upper and lower movable panels 14 and 14 'are fastened and fixed by fixing bolts 18d to the upper and lower ends of the upper and lower movable panels 14 and 14' (18, 18a) having upper and lower end panels (18b, 18c) are formed.

The soundproof operation means 30 is energized by the operation of the operation button 31 and the contact of the door frame 20 with the charging means 40 so that the upper and lower left and right hydraulic cylinders 12, And an operation button 31 protruding from the left front end surface of the door 10 and operated upon closing by operating the left and right upper and lower hydraulic cylinders 15, 15 ', 16 and 16' It is needless to say that the sound-deadening operation means 30 may be selectively constructed so as not to be operated. In other words, it is of course possible to constitute the on / off switch (not shown) so that the on / off switch can be selected to be turned on or off while the door 10 is not protruded. An operation plate 34 having a pair of energizing protruding terminals 33 and 33a protruding from the side end surface of the door 10 toward the door frame 20 and energized, A hydraulic pump for generating and extinguishing hydraulic pressure to the upper and lower left and right hydraulic cylinders 12, 12 ', 13 and 13' and the left and right upper and lower hydraulic cylinders 15, 15 ', 16 and 16' (35) are formed. The release button 32 preferably includes an emergency release button (not shown) in a separate place to operate the release button 32 in an emergency on the outdoor side separately from the indoor side handle 19. [

The charging means 40 includes charging terminals 42 and 42a which are embedded in the door frame 20 and protrude to the inside of the door frame 20 so as to charge the rechargeable battery 41 by electrical connection, And a pair of energizing connection terminals 43 and 43a through which the energizing protruding terminals 33 and 33a are connected to energize are formed.

In the present invention as described above, when the user holds the indoor side handle 19 on the indoor side and pushes the door frame 20 to close it, the operation button 31 is pressed by the door frame 20, The operating plate 34 of the soundproof operating means 30 is actuated by the energizing protruding terminals 33 and 33a connected to the energizing connection terminals 43 and 43a of the buried charging means 40 so that the hydraulic pump 35 Hydraulic pressure is applied to the upper and lower left and right hydraulic cylinders 12, 12 ', 13 and 13' and the left and right upper and lower hydraulic cylinders 15, 15 ', 16 and 16' so that the upper and lower moving panels 14 and 14 ' The door 10 is brought into close contact with the door frame 20 while being in sliding contact with the upper seating recess 23 and the lower seating recess 24a while sliding the elastic rods 17 and 17a up and down, do.

In this state, when the release button 32 of the indoor side handle 19 is pressed, the operation plate 34 of the soundproof operation means 30, which senses the release button 32, activates the hydraulic pump 35 to rotate the upper and lower left and right hydraulic cylinders 12, The hydraulic pressure applied to the left and right upper and lower hydraulic cylinders 15, 15 ', 16 and 16' is removed and the upper and lower movable panels 14 and 14 'and the upper and lower elastic rods 17 And 17a are respectively moved away from the upper seating recessed portion 23 and the lower seating recessed portion 24a so as to be retracted and the door 10 is kept opened in the door frame 20.

10: door 11, 11a:
12,12 ', 13,13': upper and lower left and right hydraulic cylinders
14, 14 ': upper and lower moving panels 14a, 14'a:
14b: fastening bolts 15, 15 ', 16, 16': left and right upper and lower hydraulic cylinders
15a, 15'a, 16a, 16'a: operation bars 17, 17a: upper and lower elastic rods
18, 18a: upper and lower end panels 18b, 18c:
18d: Fixing bolt 19: Indoor side handle
19a: Outdoor handle
20: door frame 21: opening
22: hinge 23: upper seating recess
24: louver frame 24a: lower seating recess
30: Soundproof operating means 31: Operation button
32: release button 33, 33a: energizing protrusion terminal
34: working plate 35: hydraulic pump
40: charging means 41: rechargeable battery
42, 42a: Charging terminal 43, 43a: Energizing connection terminal

Claims (2)

A door having a rectangular opening on the center and having a door opening at its center, a door having a handle on one side of the door, a door rotatably mounted on one side of the opening of the door frame for opening and closing the door, And a soundproof operating means which is respectively installed on the surface of the door and seals upper and lower gaps between the door and the door frame,
The door frame includes a recessed frame having an upper seating recess formed inwardly on an upper bottom surface and a lower seating recess formed inwardly on a lower upper surface thereof;
The door has upper and lower end projecting portions projecting from upper and lower ends in upper and lower end faces, upper and lower left and right hydraulic cylinders each having a vertically extending and retracted bar fixedly embedded in upper and lower ends of upper and lower end faces, respectively, A left and a right upper and lower hydraulic cylinders having an engaging concave portion, one side of which is fastened and fixed by a fastening bolt to a telescopic bar of the upper and lower left and right hydraulic cylinders, An upper and lower movable panels each having upper and lower elastic rods each of which is a rod-shaped elastic body fastened and fixed to the operation bar of the cylinder, respectively; an upper and lower extension pipe positioned between the upper and lower movable panels and the door rod end face with a stretching force; The upper and lower seating recesses Is a side cross-section has a gentle curved shape is fixed to the fastening bolt fixed to the upper and lower end faces of the upper and lower moving panel is formed with a top and bottom end panels having a work space in which the top and bottom elastic rod and out of the heart;
A filling means formed in the hinged inner side of the door frame so as to be filled; And
An operation button that is protruded from a left end surface of the door and is actuated when the door is closed is formed and a release button for returning the door to the original state in which the door can be opened is formed on the indoor side handle, And a soundproof operating means for operating the upper and lower left and right hydraulic cylinders and the left and right upper and lower hydraulic cylinders by energization by contact with the charging means of the frame. The method according to claim 1,
The soundproof operating means includes an operating plate having a pair of energizing protruding terminals protruding from the side end face of the door to energize the door and generating hydraulic pressure in the upper and lower left and right hydraulic cylinders and the left and right upper and lower hydraulic cylinders Including a hydraulic pump which extinguishes;
The charging means includes a charging terminal that is embedded in the door frame and protrudes to the inside of the door frame to charge the rechargeable battery by electrical connection and a pair of current connection terminals to which the energizing protrusion terminal is connected to energize when the door is closed The interior door structure for a house with excellent soundproofing.

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