KR100746016B1 - Front internal foldable door for crime prevention and insect interception - Google Patents

Abstract

A foldable inner entrance door for protection against insects and crime is provided to protect against insects and to prevent crimes while opening an entrance door and to heighten sliding efficiency and safety while opening and closing a door. The foldable inner entrance door(1) for protection against insects and crime comprises a doorframe composed of a pair of vertical frames(2), an upper horizontal frame(3) and a lower horizontal frame(4), a primary inner door(6) equipped with a crime prevention grid(63) and an insect screen(64), and a secondary inner door(7) connected to the primary indoor door by a hinge(110) and equipped with a crime prevention grid and an insect screen. The primary inner door and the secondary inner door are folded for opening and closing by sliding a rolling part installed on a free end of the primary inner door along the upper horizontal frame, and the rolling part is composed of a shaft provided with a thread, a fixture coupled with the shaft rotatively, a roller fixture integrated with the fixture and provided with a hole, a roller provided with a roller head fixed to the hole rotatively, a pair of vertical wheels fitted between the roller head and the roller fixture to make a rolling movement possible and a horizontal wheel fixed to the shaft rotatively.

Description

FRONT INTERNAL FOLDABLE DOOR FOR CRIME PREVENTION AND INSECT INTERCEPTION}

1 is a perspective view showing a closed state of the insect-proof anti-fold folding front door in accordance with a preferred embodiment of the present invention.

FIG. 2 is a perspective view illustrating an open state of FIG. 1. FIG.

3 is an enlarged perspective view illustrating an upper portion of FIG. 2.

4 is a perspective view illustrating a rolling part seating state of the free end (ie, the mobile end) in FIG. 2.

FIG. 5 is an explanatory view of the assembled state of the cloud portion in FIG. 4. FIG.

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4, showing both side walls of the first space part of the guide rail frame.

7 is an explanatory view of the assembled state of the fixed end in FIG. 2.

8 is an explanatory view of the assembled state of the locking portion in FIG. 1.

9 is a cross-sectional view taken along the line A-A of FIG. 1.

FIG. 10 is a cross-sectional view taken along line B-B in FIG. 1.

FIG. 11 is a cross-sectional view taken along line C-C in FIG. 1. FIG.

Figure 12 is a perspective view showing a folding door for the security screen crime prevention according to another preferred embodiment of the present invention.

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

1, 1a: Insect-proof anti-fold folding front door of the present invention

2: vertical frame

21: fastener 22: nut part

23: insertion hole 24: hole

3: upward horizontal frame

31: Guide rail frame seating part 32: Fixture

33: fastener 34: bush

34a: bolt portion 35: recessed portion

4: downward horizontal frame

41: space 42: slot

44: bush 44a: bolt portion

45: fixture 46: fixing hole

5: guide rail frame

51: first space portion 51b ': protruding floor portion

52: first slot 53: second space portion

54: second slot 55: stepped

56: rail portion 57: partition wall

6: first inertia

61: vertical frame 62: horizontal frame

63: security grid 64: insect screen

7: 2nd introductory text

71: vertical frame 72: horizontal frame

73: security grid 74: insect screen

8: cloud

81: fixture 82: bolt portion

83: shaft portion 84: roller fixing portion

84a: hole 85: roller

85a: roller head 85b: roller shaft

86: washer 87: horizontal wheel

88: vertical wheels

9: lock

91: knob 92: inner casing

93: zigzag shaft 93a, 93b: shaft portion

93c, 93d: fixed eccentric shaft 94e: support piece

94,95: locking rod 94a, 95a: protrusion end

94b and 95b: Hole 96: Outer casing

97: keychain 98: key

100: grip member

110: hinge 111: hinge axis

120: lighting unit

The present invention relates to a folding front door for insect prevention crime prevention, and more particularly, located in the inner side of the door, such as the front door, in the case of performing the anti-theft screening function at the time of opening the door showing smooth sliding operability at the time of opening and closing the hand. It has a high opening and closing safety with little fear of injury, and can be easily applied to the site in any form of left or right opening according to the situation of the site, and optionally as a function of beauty by the lighting effect and accompanying security, and The present invention relates to a folding front door that holds a function as a security door by an open / close sensor.

Conventionally, the retractable windows and entrance doors having insect repellent and crime prevention functions are well known in the art, and are commonly used.

Korean Utility Model Publication No. 95-33533 discloses an open-type security screen combined insect screen that is designed so that the windshield is not blocked by the security frame when the security frame is folded to one side. We propose a retractable window equipped with a screen and a window with a window, a screen and a screen at the same time. In addition, entrance doors with insect repellent and crime prevention functions have been constructed in the art.

However, according to the conventional technique described above, by installing both the security frame and the insect screen at the same time, it is possible to simultaneously perform the insect-proof function to block the invasion of pests and the crime prevention function to block the entry of a criminal possibility while allowing ventilation in summer. It was only.

Therefore, there is a concern that the operation of opening or closing the door or door may not be smooth or the hand may be injured by carelessness. This situation is more serious in the case of the door entrance having a relatively large frame size and a large weight. In particular, when the front door is folded in half in the vertical direction and opened, the carelessness can cause the hand to get caught in the folding door, causing the risk of serious injury. This concern was more serious in families with young children. .

In addition, if the door is closed strongly when closing the front door, there is a problem that in addition to the fear of injury, the outer edge of the free end of the front door and the inner side of the door frame frame is strongly collided to give a strong noise to the ear.

As a conventional method for solving the above-mentioned problems, a method of forming a wheel structure therefor for smooth opening and closing of a window or an entrance door is known in the art, but any one of a pair of sliding motions along a guide rail is known. As the vertical wheel structure is adopted, in the case of the entrance door with a relatively large and heavy frame, the smooth outer circumferential surface of the vertical wheel support structure itself, which is made of synthetic resin, is formed in the slot or slit inner surface that forms the guide rail and is opened and closed. There are still serious problems such as failure to operate smoothly or severely damage the vertical wheel support structure. Furthermore, a safe and quiet structure that can solve serious problems such as hand injury is recognized by the present inventors. As far as has been proposed The.

In addition, a structure having excellent field adaptability that can be applied by changing the left open type to the right open type according to the site situation has not been proposed until now.

In addition, there is a problem that the screen is subjected to non-intermittent deformation (partial distortion, tearing, etc.) due to the fact that it is not easily visible at night, and the passengers are inadvertently exerting excessive force on the insect screen, which significantly harms the aesthetics. In order to prevent this from happening, there have been no known cases in which a lighting device is built in the front door to simultaneously perform a function as a lighting lamp having a variety of decorative effects of beautiful colors and a function as a security lamp.

Therefore, the first object of the present invention is to provide a folding front door that exhibits a smooth sliding operability when opening and closing the door at the same time performing the insect repellent and crime prevention function.

A second object of the present invention is to provide a foldable entrance door having a high safety in addition to the first object described above, while having a smooth sliding operability, with little fear of hand injury.

A third object of the present invention is to provide a foldable entrance door having a good quietness even if the door entrance is closed strongly.

A fourth object of the present invention is to provide a folding front door that can be easily applied in the field in any form of the left or right open type, depending on the situation, in addition to the first to the third object described above.

A fifth object of the present invention is to provide a folding entrance door with a built-in lighting device having a function as a security lamp and a function as a lighting lamp having various decorative effects of beautiful colors in addition to all the above-described objects.

A sixth object of the present invention is to provide a folding front door having a security function in which an alarm sound is transmitted to an internal occupant in case of an unwanted opening by attaching an opening / closing sensor in addition to all the aforementioned objects.

According to a preferred aspect of the present invention for smoothly achieving the first object of the present invention, the first and second inner piece with a screen and a security grid and horizontal and vertical frames The first and second inner door pieces are hinged to each other and the free end of the first inner door piece is sliding doors open along the horizontal frame upward of the door frame by the cloud portion, the upper door as described above, The guide rail frame is inserted into the horizontal frame, the shaft portion having a bolt portion above the free end of the first inner door piece, a fastener to which the shaft portion is rotatably coupled, and a roller formed integrally with the fastener. It is composed of a front wheel, a roller which is rotatably fixed to the roller fixing part, vertical wheels on both sides thereof, and a horizontal wheel which is rotatably fixed to the shaft portion via a washer. The above-described free end of the first inner door piece is cloud-moved by the above-described horizontal and vertical wheels stably and smoothly without fluctuations in the front-rear direction and the vertical direction, which are in and out directions, in the travel path of the guide rail frame. A foldable entrance door is provided.

According to a preferred aspect of the present invention for smoothly achieving the second object of the present invention, in the first aspect, the speed reduction of the rolling portion at both ends of the inner surface of the guide rail frame abuts with the horizontal wheel There is provided a foldable front door, in which a protruding ridge is formed, wherein the pivotable engagement of the first and second inner door pieces is achieved by a barrel hinge.

According to a preferred aspect of the present invention for smoothly achieving the third object of the present invention, in the first or second aspect described above, the vertical frame abuts on the free end side of the guide rail frame 5. A conical coil spring is installed at the upper inner end of 2) to reduce direct sliding between the vertical frame 2 and the first inner piece 6 when closing by reducing its sliding momentum just before the first inner piece 6 closes. It is possible to effectively reduce the noise caused by the noise, and at the same time to further reduce the risk of hand injury.

According to a preferred aspect of the present invention for smoothly achieving the fourth object of the present invention, in any one of the first to third aspects described above, the hinge of the first inner piece and the second inner piece is described. An insertion hole having a hole is inserted in the upper and lower end portions of the vertical frame adjacent to one side, and a binder having a nut portion is inserted in the upper and lower end portions of the vertical frame on the other side of the first and second inner piece pieces. By installing a cloud portion at the other vertical frame upper end and the lower end of one of the inner door and the second inner door to be used as a free end, and fixing the bush to the upper and lower ends of the other vertical frame of the other side to be used as the fixed end. In addition, there is provided a folding front door that can arbitrarily set the free end and the fixed end to the first inner piece and the second inner piece.

According to a preferred aspect of the present invention for smoothly achieving the aforementioned fifth object of the present invention, in any one of the first to fourth aspects described above, the above-described first or second inner piece or vertical or horizontal At least one portion of the frame is provided with a foldable entrance door having a light portion consisting of a light emitting diode (LED), a power supply and a light diffusing resin plate covering the surface thereof.

According to a preferred aspect of the present invention for smoothly achieving the sixth object of the present invention, in any one of the first to fifth aspects described above, a door frame mounting near infrared reflection type sensor is mounted on the upper horizontal frame. Alternatively, a far-infrared heat ray sensor is installed, or a magnetic wireless proximity sensor is installed in the vertical or horizontal frame with the first inner door, and alarms the inner occupant by an alarm when an unwanted opening of the folding front door is performed. A folding front door is provided with an outgoing security feature.

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

First, Figure 1 is a perspective view showing a closed state of the insect-proof anti-fog folding door inner door 1 according to an embodiment of the present invention, a set of vertical frame 2 and the upper horizontal frame 3 and the lower horizontal frame ( 4) the door frame (not shown) consisting of, and the first inner door piece 6 having a security grid (63) and the screen (64) and hinged to the security grid 73 and the screen (74) It consists of the 2nd inner piece 7 which has a.

In the example shown, the first inner piece 6 has a set of vertical frames 61, a set of horizontal frames 62, and a middle frame 62a, but the intermediate frame 62a Of course, a plurality may be formed.

In the area defined by the vertical frame 61, the horizontal frame 62, and the intermediate frame 62a of the first inner piece 6, the security grid 63 and the insect screen 64 are sequentially formed from the outside. However, the order may be reversed.

Similarly, the second inner piece 7 also has a set of vertical frames 71, a set of horizontal frames 72, and an intermediate frame 72a, and the second inner piece 7 described above. In the area defined by the vertical frame 71, the horizontal frame 72 and the intermediate frame 72a of the crime prevention grid 73 and the insect screen 74 is formed. As described above, the intermediate frame 72a may be formed in plural.

A locking portion 9 and a grip portion 10 may be formed in the intermediate frame 62a of the first inner piece 6.

FIG. 2 is a perspective view showing an open state of the folding front door inner door 1 in FIG. 1, which is provided at upper and lower ends of the free end of the first inner door piece 6 along the upper horizontal frame 3 (FIG. 3 and FIG. Reference numeral 8 in FIG. 9 and reference numeral 8a in FIG. 9 indicate that the first inner door piece 6 and the second inner door piece 7 are opened and closed by sliding motion, where the first inner door is described above. The door piece 6 and the second inner door piece 7 are connected to the barrel hinge 110 over the entire length of abutting each other, and by use of the barrel hinge 110, the first piece is folded (ie, pivoting). Hand injury between the inner piece 6 and the second inner piece 7 can be effectively prevented.

FIG. 3 is an enlarged perspective view showing an upper structure of the folding front door inner door 1 shown in FIG. 2 in a partially open state, wherein the upper end of the free end of the first inner door piece 6, that is, the free end side vertical frame 61, is shown. The binding port 21 is mounted in the upper end of the above, and the cloud 8 is installed in the binding port 21 described above.

On the other hand, the fastener 21 is mounted on the upper end of the fixed end of the second inner piece 7, that is, the upper end of the fixed end side vertical frame 71, and the bush 34 is attached to the fastener 21 described above. Indicates that is fixed.

Hinge forming parts (not shown) are projected on the first inner piece 6 and the second inner piece 7 in contact with each other, and the hinge shaft 111 is formed. This is inserted to form the hinge (110).

An insertion hole 23 is inserted into upper ends of the vertical frames 61 and 71 of the first and second inner door pieces 6 and 7 adjacent to the hinge 110, and an insertion hole 23 of the first inner door piece 6 is provided. The hole 24 of the) is fitted so that one end of the lock rod 94 can protrude or indent.

As described above, only the upper end structures of the first inner piece 6 and the second inner piece 7 are described, but the lower end structure may be formed in substantially the same structure, and thus description thereof will be omitted.

On the other hand, in the present invention, the insertion hole having a hole 24 in the upper end and the lower end of the vertical frames 61 and 71 adjacent to the hinge 110 of the first inner piece 6 and the second inner piece 7 described above. The fastener 21 having the nut part 22 in the upper and lower ends of the vertical frames 61 and 71 of the other side of the said 1st inner piece 6 and the said 2nd inner piece 7 by inserting the 23 at this time. Inserts a cloud portion at the upper end and the lower end of the other vertical frame (61 or 71) on either side to be used as a free end of the first inner piece (6) and the second inner piece (7). The free end and the fixed end are connected to the first inner piece 6 and the second inner piece 7 by fixing the bush 34 to the upper end and the lower end of the other vertical frame 71 or 61 on the other side to be used as a reference. By arbitrarily setting by changing according to the site conditions, install in the right direction folding or in the field by folding in the left direction You can install it right away.

In other words, in order to convert the right fold to the left fold, it is sufficient to turn the door upside down and turn up and down, and then rotate only the key holder 97 of the locking portion 9 by 180 °.

FIG. 4 is a perspective view illustrating a seating state of the cloud 8 at the free end in FIG. 2, and FIG. 5 is an explanatory view of the assembled state of the cloud 8 in FIG. 4, which will be referred to together for convenience of description. do.

The cloud portion 8 may be formed at least at one end of the upper and lower ends of the free end of the first inner piece 6, but is preferably formed at the upper end.

The rolling portion 8 is formed integrally with the shaft portion 83 having the bolt portion 82, the fastener 81 to which the shaft portion 83 is rotatably coupled, and the fastener 81, and having a hole ( The roller 85 which has the roller fixing part 84 in which 84a was formed, and the roller head 85a rotatably fixed to the said hole 84a, and said roller head 85a and the roller fixing part 84 are mentioned. A pair of vertical wheels 87 fitted in a rolling motion between the blades) and a horizontal wheel 88 rotatably fixed to the shaft portion 83 via a washer 86.

Here, the bolt portion 82 of the shaft portion 83 is fixedly fixed to the nut portion 23 formed in the fastener 21 inserted into the upper end of the free end side vertical frame (not shown).

The cloud portion 8 fixed to the upper end and the lower end of the free end side vertical frame has at least one roller fixing portion 84 and thus the vertical wheels 88 are also formed by twice the number of roller fixing portions 84. Can be. However, in the illustrated example, two roller fixing parts 84 are formed in the fastener 81, and thus four vertical wheels 88 are installed.

The rollers 85 are formed of two pieces each having a roller head 85a and a roller shaft 85b, and after the vertical wheels 88 are fitted, they are screwed together or forced-fitted together. The washer 86 rotatably supporting the above-described horizontal wheel 87 has a cylindrical tube (not shown in the figure) and the bottom of the horizontal wheel 87 having a flange (not shown) as shown in FIG. The flange bottom of the washer 86 is configured to be mounted on the upper surface of the flange, or the horizontal wheel 87 is configured to accommodate the washer 86 as a whole. It may also be configured to be located on the same plane as the bottom surface.

Here, reference numeral 81a is a head of a connector (not shown) for preventing separation of the fastener 81 and the shaft portion 83.

Meanwhile, the guide rail frame 5 is seated and fixed in the recess 35 of the upper horizontal frame 3, and the guide rail frame 5 includes the first space 51 in which the horizontal wheels 87 are positioned. ) And a second space portion 53 in which the vertical wheels 88 are positioned, and a step 55 for preventing the separation of the vertical wheels 88 is provided between the first and second space portions 51 and 53. The rail wheel 56 for driving a vertical wheel having is formed.

The illustrated example shows a case in which the second space portion 53 is divided into two by the partition wall 57 so that two vertical wheels 88 are positioned. However, the second space portion 53 is formed of only one space portion or three or more spaces. Of course, as long as the horizontal wheel 87 structure is adopted, this is also within the scope of the present invention.

The upper end of the shaft portion 83 of the aforementioned cloud portion 8 is located in the first space portion 51 through the first slot 52 below the first space portion 51 via the horizontal wheel 87. The roller fixing part 84 and the vertical wheels 88 are located in the second space part 53, and the fastener 81 integrally formed with the roller fixing part 84 is formed through the second slot 54. It is accommodated in one second space part 53.

The bolt portion 82 of the shaft portion 83 is connected to the nut portion 22 of the fastener 21 inserted into the upper end of the free end side vertical frame (not shown) of the first inner piece 6. The screw is fixed to the coupling.

Therefore, by adopting the up, down, left and right swing prevention configuration through the horizontal wheel 87 and the vertical wheel 88 as described above, the opening and closing operation of the first inner door piece 6 is the travel path of the guide rail frame 5 described above. It is made smoothly by a stable and smooth sliding movement in the front and rear direction and the vertical direction, which is the in and out direction.

FIG. 6 is a sectional view taken along line DD of FIG. 4, and is a plan sectional view of both side walls 51b of the first space portion 51 of the guide rail frame 5, and protruding floor portions 51b ′ are provided at both ends of the side wall 51b. A plurality of examples are formed, whereby the horizontal wheel 87 of the cloud portion (not shown) provided in the upper end of the free end of the first inner door piece 6 causes the traveling speed to decrease at the end of the opening and closing operation. The risk of hand injury can be significantly reduced. Of course, the protruding floor portions 51b 'formed at both ends of the sidewalls 51b may be formed alternately with each other without being formed at opposite positions as shown in the drawing. It can also form in either one of 51b), and this is also in the area of the present invention. In addition, the number of the above-described protruding floor portions 51b 'may be installed at least one or more than one pair.

Since the horizontal wheel 87 is made of synthetic resin, it has a slight elastic force, and by the protruding floor portion 51b 'at the time when the horizontal wheel 87 finishes traveling (just before being completely closed or opened). The sliding movement force of the first inner piece 6 is reduced and a little more force is applied immediately before the end of the movement so that the first inner piece 6 enters the fully open or completely closed phase. The number of the protruding floor portions 51b 'is optional in the present invention, but preferably at least one or more, but two, three or four is preferable in terms of smooth sliding characteristics and improved stability. can do. On the other hand, it is preferable to form the space | interval between the said protruding floor 51b 'so that the outer periphery of the said horizontal wheel 87 can abut smoothly.

In the figure, reference numeral 51a denotes the bottom of the first space 51, and reference numeral 52 denotes the first slot.

Also optionally, a conical coil spring is provided at the upper inner end of the vertical frame 2 which abuts both ends of the guide rail frame 5 or free ends (closed in a plane by the vertical frame 61). 2, the direct collision between the vertical frame 2 and the first inner piece 6 when closing by reducing the sliding momentum immediately before the first inner piece 6 closes. It is possible to effectively reduce the noise caused by the, and at the same time to further reduce the risk of hand injury.

Here, the conical coil spring of the lower beams provided at the upper inner end of the vertical frame 2 is subjected to excessive force when the rotation speed is about 2 to 4 times or closes. It is preferable because it does not become difficult to close by force, and the lower side of the conical coil spring is indented from the surface of the vertical frame 2 so that the front door 1 is closed (that is, the conical coil spring is closed). In the maximum pressed state), it is preferable that the end of the upper narrow side is located on the same plane as the surface of the vertical frame 2.

FIG. 7 is an explanatory view of the assembled state of the fixed end in FIG. 2, wherein the fastener 21 is provided at the upper end of the fixed end of the second inner piece 7, that is, at the upper end of the vertical frame 2 on the fixed end side. ), The guide rail frame 5 is mounted in the recess 35 of the upper horizontal frame 3, and the fastener 32 having the fixing hole 33 is inserted in its end, and the bush 34 is inserted. Bolt portion 34a formed in the) is screwed into the nut portion (not shown) of the fastener 21 and the bush 34 is rotatably fixed in the fixing hole 33 of the fastener (32) It is shown.

Therefore, the bush 34 is also pivoted in the fixing hole 33 according to the fixed end pivot movement of the second inner door piece 7 by the hinge movement during the opening and closing operation.

FIG. 8 is an explanatory view of the assembled state of the locking portion 9 in FIG. 1, and in the illustrated example, the knob 91, the inner casing 92, the zigzag shaft 93, and the pair of locking rods (from the left side) are shown. 94 and 95, an outer casing 96, and a key holder 97.

The zigzag shaft 93 has a substantially central support piece 94e and its axial parts 93a and 93b zigzagly connected to each other by fixed eccentric shafts 93c and 93d. The eccentric shaft 93c and the fixed eccentric shaft 93d are located opposite to each other.

Each of the pair of lock rods 94 and 95 described above has a pair of protruding ends 94a and 95a having holes 94b and 95b formed therein. Therefore, on both sides of the fixed eccentric shafts 93c and 93d of the zigzag shaft 93, a pair of protruding ends 94a and 95a of the respective locking rods 94 and 95 are provided. And the locking rods 94 and 95 described above are fixed to the fixed eccentric shaft 93c of the zigzag shaft 93 by engaging fastening means such as screws through the respective holes 94b and 95b. And 93d, respectively.

Accordingly, the above-mentioned zigzag shaft 93 is rotated by turning the knob 91 on the inner side of the first inner piece 6 or by turning the key 98 on the outside, and accordingly the locking rod 94 95 is moved up and down a little, whereby slightly curved ends of the locking rods 94 and 95 are inserted into slots (not shown) formed at corresponding portions of the upper and lower horizontal frames (not shown). (Locked) or released (unlocked).

FIG. 9 is a cross-sectional view taken along the line AA of FIG. 1, in which the guide rail frame 5 is seated in the upper horizontal frame 3, and the rolling portions are formed in the guide rail frame 5 and the lower horizontal frame 4, respectively. 8, 8a) is attached to the free end of the first inner piece (6).

In the illustrated example, the rolling portion 8a mounted in the lower horizontal frame 4 illustrates a form in which no horizontal wheels exist, but the present invention is not limited thereto, and the rolling portion 8 in which the horizontal wheels exist is illustrated. The configuration as shown in FIG. 10 may be employed. Even if the wheel structure does not exist and the shaft portion 83 fixed through the bolt portion 82 is inserted into the space portion 41 of the lower horizontal frame 4, the slot (Fig. 10). Of course, the configuration may extend only through the reference numeral 42 and guided along the slot 42 described above.

A fastener 21 having a nut part 22 is inserted into and fixed to the upper end of the vertical frame (not shown) of the first inner piece 6, and the same is true for the lower end of the vertical frame (not shown). to be.

The bolt portion 82 of the rolling portion 8 is screwed to the nut portion 22 of the fastener 21 described above, and the shaft portion 83 penetrates the washer (not shown) and the horizontal wheel 87. Thus, the fastener 81 is fixed to the rotary motion (specifically, pivoting movement), the upper end of the shaft portion 83, the horizontal wheel 87 and the fastener 81 is the first space of the guide rail frame (5) A pair of vertical wheels 88, which are located within the portion (see 51 in FIG. 4) and are rotatably fixed by the roller fixing portion 84 and the roller head 85a, which are integrally connected to the fastener 81 described above. Is located in the second space portion (see reference numeral 53 in FIG. 4), so that the opening / closing operation of the first inner door piece 6 is the front-rear direction and the vertical direction in which the opening and closing direction of the guide rail frame 5 is in and out. The stable and smooth sliding movement can be made smoothly.

On the other hand, the rolling portion 8a is a rolling motion of the vertical wheel 88 abuts on the bottom surface of the space portion 41 of the horizontal lower frame 4, except that the above-described horizontal wheel and washer do not exist, Since the configuration is substantially the same as the case of the cloud unit 8, the description thereof will be omitted.

In the figure, reference numeral 10 is a grip part.

FIG. 10 is a longitudinal cross-sectional view of the BB line of FIG. 1, illustrating a mounting installation state of the locking portion 9 located at a portion adjacent to the hinge side fixed end of the first inner piece 6, and rotating the knob 91. By movement, the zigzag shaft 93 rotates so that the locking rod 94 connected to the zigzag shaft 93 protrudes into the first slot of the guide rail frame 5 (see reference numeral 52 in FIG. 4). At the same time, the locking rod 95 connected to the zigzag shaft 93 protrudes into the slot 42 of the lower horizontal frame 4 to perform the locking action.

This action is similarly operated by rotating the zigzag shaft 93 with the key 98 from the outside to perform the locking and unlocking functions.

FIG. 11 is a vertical cross-sectional view of the CC line of FIG. 1, illustrating the fixed end side of the second inner piece 7, the upper end of the fixed end side vertical frame (not shown) of the second inner piece 7, and FIG. A fastener 21 having a nut part 22 is inserted into and fixed to each lower end, and fixing holes are provided at the end adjacent to the guide rail frame 5 seated on the upper horizontal frame 3 and the end of the lower horizontal frame 4, respectively. Fixtures 32 and 45 having 33 and 46 are inserted in place.

The rotatable fixing of the fasteners 32 and 45 and the fasteners 21 and 21 is made by bushes 34 and 44, respectively, and the bolts 34a and 44a of the bushes 34 and 44 are The bushes 34 and 44 are rotated in the fixing holes 33 and 46 formed in the fasteners 32 and 45 while being screwed to the nut parts 22 and 22 formed in the fasteners 21 and 21. Possibly inserted.

12 is a perspective view showing the anti-theft security folding front door (1a) according to another preferred embodiment of the present invention, a lighting unit 120 having a function as a security light and at the same time as a light having various decorative effects of beautiful colors. Except for the built-in, since the structure is essentially the same as the insect-proof anti-fold folding front door 1 shown in Figure 1 will be described only the difference.

The lighting unit 120 selects any one of red, blue, and green light emitting diodes (LEDs), or various combinations of these red cyan pixels (which can express any desired color), and cover the surfaces thereof. It consists of a well-known light-diffusion resin plate to form, and a power supply part (cell or battery part).

LED is very low power consumption because of high light conversion efficiency in application to the present invention, the light source is small, suitable for miniaturization, thinness, and light weight, while the life is semi-permanent, and preheating is unnecessary, fast response speed, The lighting circuit is simple, has high impact resistance, less fatigue of the optic nerve, and full color.

On the other hand, the light diffusing resin plate converts a point light source or a line light source into a plane light source that is uniformly projected onto the plane, and the LED or its internal structure or wiring located on the rear side of the light source is visually In addition to concealing and shielding from the perspective, the entire surface has high light diffusivity and light transmittance, resulting in uniform brightness (i.e., brightness or luminance) and uniform color. It can be commercially purchased from Hepas, LG Corp., etc.

The lighting unit 120 may be installed in at least one or more arbitrary places with respect to at least one of the first inner piece 6 or the second inner piece 7, and the LED and the light diffusivity for making the surface light source. The use of the resin plate enables beautiful and precise color expression, at the same time there is no glare and the power consumption is extremely low, so that the wellbeing functionality as a security lamp and a decorative lamp can be added to the present invention.

In addition, although not shown, a door frame mounting type near-infrared reflective sensor (not shown) or a far-infrared heat ray sensor (not shown) may be attached to the upper horizontal frame 2, if necessary, or the first inner piece 6 may be attached thereto. A pair of magnetic wireless proximity sensors (not shown) are attached to the vertical frame 61 or the horizontal frame 62 to alert an internal occupant in the event of an undesired opening of the foldable front door 1,1a. It is, of course, also possible to add a security function in a known manner as described above, which is also within the scope of the present invention. The sensor is turned on when necessary and off when not needed.

Here, a door-frame near-infrared reflection sensor or a far-infrared ray heating sensor, or a magnetic wireless proximity sensor using a pair of magnets spaced and abutted upon opening and closing is known in the art, and its structure and operation mechanism are well known, Since it can be easily purchased commercially, a detailed description thereof will be omitted.

In addition, if necessary, it may be formed to be automatically opened and closed by using a conventional known drive means, or in addition to it may be formed to be opened and closed by the remote control operation, since such technology is known in the current field of electric and electronic devices, such specific The description will be omitted.

As described above, the foldable front door according to the present invention is located directly inside the door, such as the front door, and performs a security screening function when the door is opened, showing a smooth sliding operability when opening and closing, and at the same time almost fear of injury to the hand. It has high open and close safety, and it can be easily applied in the form of the left or right open type according to the situation of the site, and optionally, the beauty by the lighting effect and the accompanying security functions, and the open / close sensor It also functions as a security door.

As mentioned above, the present invention has been described in detail, but various changes and modifications to the present invention can be made without departing from the scope of the present invention.

Claims (20)

It consists of the first and second inner door pieces (6,7) and the vertical and horizontal frames (61,62) formed with the insect screen (64,74) and the security grid (63,73) The first and second inner pieces 6 and 7 are hinged to each other, and the free ends of the first inner pieces 6 are slid by the rolling part along the horizontal frame 3 above the door frame to open and close. In the entrance door to become, Guide rail frame (5) is inserted into the upper horizontal frame (3), The shaft portion 83 having the bolt portion 82 of the upper end of the free end of the first inner piece 6 and the fastener 81 to which the shaft portion 83 is rotatably coupled; , The roller fixing part 84 formed integrally with the fastener 81, the roller 85 rotatably fixed to the roller fixing part 84, the vertical wheels 88 on both sides thereof, and the washer 86. Consists of a horizontal wheel 87 is rotatably fixed to the shaft portion 83 via the), The above-described horizontal and vertical wheels 87 and 88 are free of upper end portions of the first inner door pieces 6 without fluctuations in the front-rear direction and the vertical direction in and out of the traveling path of the guide rail frame 5. Characterized by cloud movement by Insect-proof folding entrance door. 2. The insect repellent, foldable entrance door according to claim 1, wherein said first and second inner piece (6, 7) have at least one intermediate frame (62a, 72a). The anti-fog anti-fog folding front door according to claim 2, wherein a grip portion (10) is formed in the intermediate frame (62a) of the first inner door piece (6). The insect-proof anti-fog folding front door according to claim 1, having a locking portion (9) in a portion adjacent to the second inner piece (7) of the intermediate frame (62a) of the first inner piece (6). Insect-proof folding door inner door according to claim 1, wherein the hinge (110) of the first inner piece (6) and the second inner piece (7) comprises a tubular hinge. The upper and lower ends of the vertical frames 61 and 71 of one side adjacent to the hinge 110 of the first inner piece 6 and the second inner piece 7 according to claim 1. An insertion hole 23 having a hole 24 is inserted in the upper portion of the first inner piece 6 and the second inner piece 7 of the vertical frame (61, 71) on the other side and the lower end of the nut portion 22 Inserting the fastener 21 having the The upper and lower ends of the vertical frame 61 on the other side to be used as a free end of the first inner piece 6 and the second inner piece 7 are provided with a cloud 8 and used as a fixed end. The free end and the fixed end can be arbitrarily set to the first inner piece 6 and the second inner piece 7 by fixing the bush 34 to the upper end and the lower end of the other vertical frame 71 on one side. Insect-proof folding doors that are insect-proof. 8. The shaft portion (8a) fixed to the lower end portion of the vertical frame (61) of the free end is rotatably coupled to the shaft portion (83) having the bolt portion (82) and the shaft portion (83). A fastener 81 to be formed, a roller fixing part 84 integrally formed with the fastener 81, a roller 85 rotatably fixed to the roller fixing part 84, and vertical wheels on both sides thereof. Consisting of 88, The lower horizontal frame 4 has a space portion 41 in which a slot 42 is formed, Insect-proof anti-fogging folding is formed so that the rolling portion (8a) is fixed to the lower end of the vertical frame 61 of the free end by the vertical wheels 88 along the space portion 41 of the lower horizontal frame (4) Entrance door. The guide rail frame (5) of claim 6, wherein the guide rail frame (5) has a first space portion (51) in which the horizontal wheels (87) are located, and a second space portion (53) in which the vertical wheels (88) are located. The first and second spaces 51 and 53 are partitioned by the rail unit 56 having the stepped doors. 8. The roller (8.8a) fixed to the upper and lower ends of the vertical frame (61) of the free end has at least one roller fixing part (84) and thus the vertical wheels (88) are also roller fixing parts. (84) Insect repellent folding front doors formed by twice the number. 9. The projecting floor 51b for speed reduction of the rolling section 8.8a at both ends of either of the inner surfaces of the two inner surfaces in contact with the horizontal wheels 87 of the guide rail frame 5, according to claim 8 Insect-proof folding doorway with at least one. 9. The speed reducing protrusion floor portion 51b 'of the cloud portion 8.8a is opposed to each other at both ends of the inner side surfaces of the guide rail frame 5, which are in contact with the horizontal wheel 87. Insect-proof folding doorway with at least one set of positions or alternating positions. The insect-proof anti-fog folding door door according to claim 10, wherein a conical coil spring is provided at a portion of the vertical frame (61) positioned adjacent to both ends or free end portions of the guide rail frame (5). 13. The conical coil spring according to claim 12, wherein the conical coil spring is a conical coil spring of lower light cooperating speed of 2 to 4 revolutions, and the lower side of the conical coil spring is indented from the surface of the vertical frame 61. Fixed insect-proof folding front door. The insect-proof anti-fog folding front door according to claim 6, wherein a cylindrical tubular washer (86) having a flange is mounted below the horizontal wheel (87). The fastener 21 according to claim 6, wherein the fastener 21 has a nut part 22 inserted into an upper end and a lower end of the vertical frame 71 of either fixed end of the first or second inner door pieces 6 and 7. And a fastener 32 having a fixing hole 33 inserted into the upper horizontal frame 3 and the lower horizontal frame 4 is rotatably coupled by the bush 34 having the bolt portion 34a. Security folding front door. 5. The lock portion (9) according to claim 4, wherein the lock portion (9) includes a knob (91), an inner casing (92), a zigzag shaft (93), a set of lock rods (94, 95), an outer casing (96), and a key holder. Consisting of 97, The zigzag shaft 93 has two fixed eccentric shafts 93c and 93d, which face each other, and the set of locking rods 94 and 95 each have the two fixed eccentric shafts 93c and 93d. Connected to each, By turning the knob 91 on the inside or by turning the key 98 on the outside, the zigzag shaft 93 is rotated, so that the locking rods 94 and 95 are moved up and down respectively. Insect repellent security entrance doors protruding forward or retracting into slots formed in the upper and lower horizontal frames (3,4). The lower horizontal frame 4 of the door frame has a space portion 41 in which a slot 42 is formed, and the bolt portion is provided without a cloud portion below the free end of the first inner door piece 6. Insect-proof foldable entrance door that only the shaft portion is installed, the shaft portion is guided along the slot. The LED (1) according to any one of the preceding claims, wherein at least part of said first or second inner piece (6,7) or vertical frame (2) or horizontal frame (3,4) of the door frame ( Insect-proof and foldable entrance door having a light unit (120) consisting of a light emitting diode), a power supply and a light diffusing resin plate covering the surface. 18. The insect repellent security doorway of claim 17, wherein said LED is a red, green, or blue LED, or is comprised of these red cyan LED pixels. The door frame mounting type near-infrared reflective sensor or far-infrared ray heating sensor is installed in the upper horizontal frame 3, or the first inner piece 6 and the vertical frame (6) according to any one of the preceding claims. 2) Or the anti-theft door fold-out door, which is equipped with a magnetic wireless proximity sensor on the horizontal frames (3,4), which emits an alarm sound when opened.

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