KR20010002215U - hinge for a door of a shutter - Google Patents

Abstract

The present invention provides a shutter door hinge that can fulfill the original function of the shading and shielding fire shutter.

The shutter door hinge is attached to the shutter door hinge attached to any one of the slits 21a, 21a ... and the slits 22a, 22a ... of the shutter 21 and the door 22. Attached to the first hinge piece 60 having a 67 and each of the slits 21a, 21a ... and the slits 22a, 22a ... of the shutter 21 and the door 22, respectively. And a second hinge piece 70 having an attachment blade 77 and a torsion coil spring 83 which acts to close the door 22 in an open rotation, and includes a plurality of horizontal directions of the shutter 21. In the hinge for the door 22 of the shutter 21, which is connected to a part of the slats 21a, 21a ... by the slits 22a, 22a ... corresponding to each other: one boss 62 is integrally formed with the first It is formed to protrude to the center portion of the attachment blade 67 of the hinge piece 60, a through hinge shaft hole 61 is formed in the boss 62, the attachment blade 77 of the second hinge piece 70. In the central portion of the first hinge piece 60 With the boss accommodating part 73 'accommodating the thread 62, the central shield 73 surrounding the boss 62 is formed, and the pair of bosses 71 and 72 are connected to the second hinge. A pair of penetrating hinge shaft holes 71 'and 72' is formed to protrude upward and downward from the attachment blade 77 and the central shielding portion 73 of the piece 70, and coincide with the hinge shaft hole 61. It is characterized in that formed on the bosses (71, 72).

Description

Hinge for a door of a shutter}

The present invention relates to a hinge for a shutter door, more specifically, a simple structure further reduces the number of parts while further reducing the gap between the upper and lower hinges, can prevent the left and right movement of the slats or twist, It is related to the shutter door hinge that can fulfill the original function of the fire shutter and not only to install the door toward the center of the shutter, but also to mitigate the deterioration of the appearance of the shutter due to the hinge installation due to the beautiful appearance. .

In general, a building shutter is connected to a plurality of horizontal slats so that the plurality of slats are wound on a motor or a manually rotating winding drum, or are lifted and actuated by releasing from the winding drum to open and close the entrance or passage of the building. These shutters are also equipped with a small door for emergency or for easy entry and exit. The door is composed of the same slats as the shutter slats, and the slits of the doors are hinged to the slats of the shutter, respectively. It is preferable that it is comprised so that it may be wound up by the winding drum with the slat of a shutter, and also it is desirable to realize the shading | shielding and shielding of a fire prevention object.

For the purpose of fire prevention, when a fire occurs inside the shutter and the flame leaks out of the shutter through the gap of the shutter or the gap of the door, the flame is transferred to the surroundings of the shutter, and outside air flows through the gap. This is to prevent the fire inside the shutter from expanding further.

Conventional shutters for this purpose are to guide the guide grooves or the like to the packing on both sides of the shutter to minimize the gap formed on both sides of the shutter, but in the case of the door using the hinge to the hinge to be wound together There is a structural difficulty that can not minimize the gap of the installation site.

As shown in FIGS. 1 and 2, the hinge structure of the related art hinges the hinge piece 2a of the shutter unit which is connected to the attachment blade 1a and has bosses 6a and 7a formed at the upper and lower ends thereof. Hinges (1) joined to the attachment blade (1b) and hinged (2b) is assembled to the hinge shaft (3) including the torsion spring (5), the hinge piece (2b) of the door portion formed bosses (6b) (7b) at the top and bottom )

Since the hinge 1 is addressed to each of the slats 8a and 8b constituting the shutter, a rectangular cutting hole corresponding to the height of the door is formed on the shutter so that the protruding hinge pieces 2a and 2b are inserted. It should be formed and the width of the slats and the hinges should be the same size.

That is, by forming a rectangular incision on the shutter, the gap of the incision is increased on the outer periphery of the hinge pieces 2a and 2b except for the attachment wing and the difficulty of the work, and the shutters having different slat widths have different sizes. There must be another hinge having a separate size, and if the slat width and the size of the hinge is not constant there are a number of problems that the gap does not occur because the hinges do not make contact again.

In addition, since the upper and lower end shapes of the hinge are streamlined to ensure sliding contact at the time of contact, the contact between the hinge and the hinge forms the line contact portions 4a and 4b instead of the surface contact, so that the line There is a problem that it is impossible to further minimize the occurrence of gaps in the contact portions 4a and 4b.

In addition, the present applicant has devised a hinge as shown in Figures 2 to 6 to solve this problem, and was registered as a utility model registration application No. 1150 in 1994, No. 118483.

2 to 6, the hinge 10, the upper and lower bosses (12a) (13a) that extends to the attachment blade (11a) and protrudes by forming a cover 12a on the outer periphery and a shaft hole (15) in the center, A hinge piece 10a having a central hole 15 formed at a center thereof and a central boss 14 having a spring groove 16a formed at upper and lower ends thereof and an outer wall 17a formed at a front surface thereof; It extends to the attachment blade (11b) and forms an outer wall (17b) on the rear, between the upper and lower bosses (12b) (13b) and the upper and lower bosses protruding by forming a spring hole (16b) in the center and the shaft hole (15) and the upper and lower ends A hinge piece 10b of the shutter unit which secures the insertion space 18; The hinge piece 10a and the hinge piece are inserted into the shaft holes 15 formed in the bosses 12a, 12b, 13a, 13b, and 14 of the hinge piece 10a of the door part and the hinge piece 10b of the shutter part. The rotating shaft 19 pivotally engages the 10b and the pair of springs 20 are provided on the pivot shaft 19 to elastically support the hinge piece 10a and the hinge piece 10b.

As shown in Figs. 2 and 3, the incision hole 23 is formed on one of the slats (in this invention, the slats on the door 22 side) in which the shutter 21 and the door 22 are partitioned. After the hinge pieces 10a and 10b of the hinge are assembled and assembled into the cutting hole 23, the hinge blades 11a are inserted in both directions of the slats of the shutter 21 and the door 22, respectively. ) 11b is attached by welding or the like. When the hinge 10 is installed in the number of the slats 22a constituting the door 22 in this manner, the gap between the opening 23 formed in the slats by the hinge piece of the hinge and the hinge piece ( The gap generated from the hinge itself by the coupling assembly of 10a) (10b) is in the state of shading and shielding, and in particular, the reason for minimizing the gap occurring in the hinge itself claimed by the present invention is as follows.

When the door 22 is opened in the closed state automatically by the torsion of the spring 20, as shown in FIG. 5, only the hinge piece 10a of the door part is fixed in the direction of the arrow while the hinge piece 10b of the shutter is fixed. Rotation to the cover, the cover 12a '(13a') forming the surface of the upper and lower bosses (12a, 13a) is the attachment wing of the hinge piece (10b) by the shrinkage groove 12a '' formed on the outer periphery The rotation is made without being disturbed by 11b (shown in FIG. 5A), and the upper and lower bosses 12a and 13a are rotated while being closely guided to the outer wall 17b of the hinge piece 10b (shown in FIG. 5B). The inner wall 17a 'of the upper and lower bosses 12a and 13a of the hinge piece 10a, in which the upper and lower bosses 12b and 13b of the hinge piece 10b is inserted, is the upper and lower parts of the hinge piece 10b. Rotation is made in close contact with the outer circumference of the bosses 12b and 13b (shown in FIG. 5C), and the front end of the outer wall 17a of the hinge piece 10a is the inner surface of the outer wall 17b of the hinge piece 10b. 17b ') insertion space (18) Rotation is made while being inserted into the rotation, but when the rotation of about 90 degrees is achieved, the insertion space 18 is narrowed so that the front end of the outer wall 17a is blocked (shown in FIG. 5D), and the spring ( 20, the protrusions 14a of the central boss 14 of the hinge piece 10a supporting the hinge piece 10a are also rotated while being inserted into the insertion space 18 of the inner circumferential wall of the hinge piece 10b (shown in FIG. 5E). In the end, the gap in the hinge piece 10a and the hinge piece 10b is not generated at any point of the hinge piece coupling part, which is why the hinge piece 10a and the hinge piece 10b overlap. It has a coupling structure, and the outer circumference of the coupling boss is formed with an integral outer wall (17a) (17b), the coupling structure in the outer wall is made possible by the function of the protruding teeth forming the outer circumference of the hinge piece.

In FIG. 6, both side portions of the cutting hole 23 formed in the slat are completely covered by the attachment blades 11a and 11b of the hinge so as not to form a gap, but the upper and lower ends of the cutting hole are formed by the hinge hinge piece 10a. In view of the problem that it is impossible to achieve a complete gap blocking because the upper and lower ends are inserted, the projection jaw 24a having a constant height is formed symmetrically around the slats 21a at the upper and lower ends of the hinge piece 10a. The gap that occurs in the upper and lower ends of the ball 23 is also to be blocked.

However, both sides of the cutout formed in the slat are completely covered by the hinge blades 11a and 11b so as not to form a gap, but overlap between the protruding jaw 24a and the upper and lower ends of the cutout. In order to shield, the two sides must be processed more precisely, and furthermore, there is a problem that it is difficult to insert and install the hinge hinge piece 10a smoothly, and the gap is opened again when the slats are slightly twisted or moved from side to side. There is a problem.

Therefore, the present invention is to solve such a problem, the gap between the upper and lower hinges is further eliminated while further reducing the number of parts with a simple structure, it is possible to prevent the left and right movement or twist of the slats, so as to prevent fire, shutter It is possible to provide the shutter door hinge that can fulfill the function and to install the door toward the center portion of the shutter, and to mitigate the deterioration of the shutter appearance caused by the hinge installation due to the beautiful appearance. The purpose is.

Figure 1a is a front view of the installation state of a hinge for a conventional door, Figure 1b is a cross-sectional view taken along line A-A of Figure 1a,

Figure 2 is an overall front view of the shutter showing a state of use of the hinge for the conventional door different from Figure 1a,

3 is an enlarged view of FIG. 2;

4 is a cross-sectional view taken along the line G-G of FIG.

5A to 5E are cross-sectional views taken along the lines B-B to F-F of FIG. 3;

FIG. 6 is a bottom view seen from the Z direction of FIG. 3 showing a modification of FIGS. 2 to 5E;

Figure 7 is an overall front view of the shutter showing a state in which the shutter door hinge is installed according to an embodiment of the present invention,

8 is a partially enlarged view of the hinge portion of FIG. 7, FIG.

9 is a rear view of FIG. 7;

Figure 10a is a cross-sectional view 10-10 of Figure 9 and Figure 10b is an exploded perspective view of the hinge according to an embodiment of the present invention,

11 to 16 are cross-sectional views taken along the lines 11-11 to 16-16 of FIG. 9;

17 is a partially enlarged view of the shield member of FIG. 7;

18 is a cross-sectional view taken along the line 18-18 of FIG. 17;

FIG. 19 is a sectional view taken along the line 19-19 of FIG. 17; FIG.

* Explanation of symbols on main parts of drawings *

1, 10: hinge 1a, 1b, 11a, 11b: attachment wing

3, 19: hinge shaft 4a, 4b: line contact

5,20: spring 6a, 7a, 12a, 12b, 13a, 13b, 14: boss

8, 21a, 22a: Slat 15: Shaft

16a, 16b: spring groove 17a, 17b, 17c: outer wall

18: insertion space 21: shutter

22: door 23: incision

24a, 24b: stone jaw 2a, 2b, 10a, 10b: hinge piece

50: hinge 60, 70: first and second hinge pieces

61,71 ', 72': Hinge axis 62,71,72: boss

63, 74: lower projection 64, 75: upper projection

66,76: internal thread 67,77: attachment wing

73: center shield 73 ': boss accommodation

74 ': side wall 74 ": mating

81,82: Lower and upper hinge shafts 81 ', 82': Fixing groove

81 ", 82": spring fixing and guide 82a: spring force adjusting groove

83: torsion coil spring 84,85: set screw

91,95: 1st and 2nd shielding piece 92,96: Attachment wings

93,97: first and second overlaps 93 ', 97': top overlap

93 ", 97": bottom overlap 94,97a: first and second sidewall portions

98: reinforcement bend

In order to achieve the above object, a hinge for a shutter door according to an embodiment of the present invention includes a first hinge piece having a shutter and an attachment wing attached to each of the slats of the door and the slats, the shutter and And a second hinge piece having attachment wings attached to each of the slats of the door and the other of the slats, and a torsion coil spring that acts to close the door when it is opened. In the hinge for the door of the shutter connected to the slats corresponding to each other part of the slats: one boss is integrally formed to protrude to the central portion of the attachment blade of the first hinge piece, the through hinge shaft hole is formed in the boss A central shielding portion surrounding the boss is formed while forming a boss receiving portion for accommodating the boss of the first hinge piece at the central portion of the attachment blade of the second hinge piece. , Is formed to protrude to extend to a pair of upper and lower boseuyi the second hinge convenience attachment wings and center shield, characterized in that the through hinge axis matching the axis of the hinge ball and the ball formed on each of the pair of bosses.

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

FIG. 7 is a view illustrating a hinge and shielding member for a shutter shutter door according to the present invention, FIG. 8 is a partially enlarged view of the hinge portion of FIG. 7, and FIG. 9 is a rear view of FIG. 7.

10A is a cross-sectional view of the line 10-10 of FIG. 9 and an exploded perspective view of the hinge of the present invention is shown in FIG. 10B, and FIGS. 11 to 16 are cross-sectional views of the lines 11-11 to 16-16 of FIG. 9. Is shown.

8 to 16, the hinge 50 includes a first hinge piece 60, a second hinge piece 70, lower and upper hinge shafts 81 and 82, and a torsion coil spring 83. .

The first hinge piece 60 protrudes through the attachment blade 67 attached to each of the slats 21a, 21a... Of the shutter 21 and the center portion of the attachment blade 67, and penetrates the hinge. The upper projection portion 64 and the lower projection portion extending upward and downward from the attachment blade 67 side of the boss 62 so that the boss 62 having the shaft hole 61 and the upper and lower hinges 50 partially overlap with each other. 63).

The 2nd hinge piece 70 has the attachment blade 77 attached to each of the slats 22a, 22a ... of the door 22, and the said 1st hinge piece (at the center part of the attachment blade 77). While forming a boss accommodating portion 73 'for accommodating the boss 62 of the 60, the central shield portion 73 surrounding the boss 62, the attachment blade 77 and the central shield portion 73 Protruding to extend up and down in the upper and lower sides thereof, the bosses 71 and 72 formed with through hinge shaft holes 71 'and 72' coincident with the hinge shaft hole 61, and the upper and lower hinges 50 partially overlap. The upper protrusions 75 and the lower protrusions 74 extend from the bosses 71 and 72 to upper and lower portions, and are in shielded contact with the upper protrusions 64 and the lower protrusions 63.

In particular, as shown in FIGS. 10B, 11, and 16, the contact portions of the lower protrusions 63 and 74 are inclined in a direction to allow the door 22 to be opened when the door 22 is rotated, or a jaw is formed to further shield. Coupling portions 63 "and 74" may be formed, and the same may be inclined or the jaw may be formed as shown by the shaving arrow A in contact with the upper protrusions 64 and 75. In addition, in order to secure the thickness of the upper protrusions 64 and 75 to some extent, the lower hinge shaft 81 may be exposed at the end as shown, and the receiving groove 75 'may be formed in the upper protrusion 75. have. The engaging portions 63 "and 74" are in line with the attachment blades 67 and 77 degrees at 90 degrees, so that the worker's work efficiency is high.

Further, the slats 22a, 22a… and the slats 21a, 21a… are contacted with the slats 22a, 22a… in the outward direction of the lower protrusions 63, 74 and the slats 21a, 21a. The side wall portions 63 'and 74' may be formed to prevent movement or twisting of the ...).

The lower and upper hinge shafts 81 and 82 penetrate through the hinge shaft holes 71 'and 72', respectively, and are inserted into the hinge shaft hole 61, and either one of the first hinge pieces 60 and the second hinge. It is fixed to any one first hinge piece 60 and the second hinge piece 70 so as to rotate together with the piece 70. The torsion coil springs 83 are spring fixed and guided together with spring end insertion grooves (the center is separated in the figure) to insert and fix the respective ends of the torsion coil springs 83 and to ensure a stable torsion action. (81 ", 82") can extend from opposite ends of the lower and upper hinge shafts (81, 82), each end of the torsion coil spring (83) has hinge shaft holes (61, 71 ', 72). It can be fixed to ') to exert a torsional force.

In addition, female threaded holes 66 and 76 are formed in the lower and upper hinge shafts 81 and 82, and the lower and upper hinge shafts 81 and 82 are formed by the first hinge piece 60 and the second hinge piece 70. Fixing grooves (81 ', 82') formed in the lower and upper hinge shafts (81, 82) of the front ends of the fixing screws (84, 85) screwed into the female thread holes (66, 76) so as to rotate together with The lower and upper hinge shafts 81 and 82 may be fixed to the first hinge piece 60 and the second hinge piece 70, respectively, or may be fixed by welding at the rear side.

In the above case, a plurality of fixing grooves 82 'are formed on the circumference of the upper hinge shaft 82, and the upper hinge shaft is formed by forming a spring force adjusting groove 82a at the rear end of the upper hinge shaft 82. The fixing position of the 82 can be changed, so that the elastic force of the torsion coil spring 83 can be adjusted.

As such, the upper and lower hinges 50 can be completely sealed as shown in FIGS. 8 to 16, and furthermore, the contact parts are less and the load is less, which ensures smooth operation, and the contact parts are worn. Even if there is a central shield (73) to ensure the difference and the smoke.

In addition, the shield member of the shutter door according to the present invention is shown in Figs. FIG. 17 is a partially enlarged view of the shield member of FIG. 7, FIG. 18 is a sectional view taken along the line 18-18 of FIG. 17, and FIG. 19 is a sectional view taken along the line 19-19 of FIG.

17-19, the shielding member of the shutter door is comprised from the 1st shielding piece 91 and the 2nd shielding piece 97. As shown in FIG.

The 1st shielding piece 91 is the attachment blade 92 attached to each of the slats 22a, 22a ... of the door 22, and the 1st superimposition part extended from the attachment blade 92, and formed. 93, and an upper overlapping portion 93 'and a lower overlapping portion 93 "extending up and down from the first overlapping portion 93 and overlapping between the upper and lower shielding members.

The upper overlapping portion 93 'extends in a plane in FIG. 18 and the lower overlapping portion 93 " extends so that the end thereof is extended so that the upper shielding member at the time of opening and closing the door 22 and the winding of the shutter 21 can be The lower overlapping portion 93 "and the upper overlapping portion 93 'of the lower shielding member may overlap each other when the door 22 is closed without interfering with each other, thereby shielding the door 22.

The second shielding piece 97 extends from the attachment blade 96 attached to each of the slats 21a, 21a... Of the shutter 21, and extends from the attachment blade 96 when the door 22 is closed. A second overlapping part 97 overlapping with the first overlapping part 93 and formed so as not to interfere with each other during the opening / closing rotation of the door 22 and the winding of the shutter 21; and the second overlapping part 97 An upper overlapping portion 97 'and a lower overlapping portion extending upward and downward from each other so as to overlap each upper and lower end portion between the upper and lower shielding members and not to interfere with each other during opening and closing of the door 22 and winding of the shutter 21; (97 ").

The upper overlapping portion 97 'extends in an arc shape, and the lower overlapping portion 97 "is formed as an inclined portion inserted into the arc, thereby interfering with each other when opening and closing the door 22 and winding the shutter 21. Otherwise, the door 22 is overlapped when the door 22 is closed, thereby shielding the door 22.

Slats 22a, 22a... And slats 21a, 21a at the outer ends of the upper overlaps 93 ′, 97 ′ to the lower overlaps 93 ″, 93 ″ as better shown in FIG. 19. First and second sidewall portions 94,97a in contact with the upper end portions 93 ', 97' through the lower end portions 93 ", 93" are formed at the outer ends of the slats. 22a, 22a ...) and slats 21a, 21a ... can be prevented from moving or twisting.

In addition, when the door 22 is closed, the first overlapping portion 93 to the second overlapping portion 97 can be reinforced so as not to apply excessive force to the hinge 50 and to be closed without being opened rearward. Reinforcing bent portion 98 may be formed at the outer end of the).

According to the configuration and action of the hinge for the shutter door according to the embodiment of the present invention described above, the upper projections 64, 75 and the lower projections 63, 74 in the upper and lower end of the overlapping portion is provided By eliminating the gap between the upper and lower hinges, and further reducing the number of parts, and prevent the left and right movement of the slats or twisting, to fulfill the original function of the shading, flame-retardant shutter shutter, the door to the center of the shutter Not only can it be installed on the side, but also the effect of being able to mitigate that the appearance of the shutter by a hinge installation due to the beautiful appearance creation can be alleviated.

Claims (3)

A first hinge piece 60 having an attachment blade 67 attached to each of the shutter 21 and the slats 21a, 21a... And the slats 22a, 22a. And a second hinge piece 70 having attachment blades 77 attached to each of the slats 21a, 21a... Of the shutter 21 and the door 22, and the other of the slats 22a, 22a. ) And a torsion coil spring 83 which acts to close the door 22 in an open rotation, and corresponds to a part of the plurality of horizontal slats 21a, 21a... Of the shutter 21. In the hinge for the door 22 of the shutter 21 connected by the slats 22a, 22a... One boss 62 is integrally formed to protrude toward the central portion of the attachment blade 67 of the first hinge piece 60, the through-shape hinge shaft hole 61 is formed in the boss 62, 2 The boss 62 is formed in the center of the attachment blade 77 of the hinge piece 70 while the boss accommodating portion 73 ′ for accommodating the boss 62 of the first hinge piece 60 is formed. A surrounding central shield portion 73 is formed, and a pair of bosses 71 and 72 protrude so as to extend up and down the attachment wings 77 and the central shield portion 73 of the second hinge piece 70. And a hinge hinge hole (71 ', 72') corresponding to the hinge axis hole (61) is formed in the pair of bosses (71, 72), respectively. The lower and upper portions of the lower and upper portions of the upper and upper portions of the torsion coil spring 83 are inserted and fixed respectively, and the spring fixing and guides 81 " and 82 " May extend from opposite ends of the hinge axes 81, 82; Female threaded holes 66 and 76 are formed in the lower and upper hinge shafts 81 and 82, and the lower and upper hinge shafts 81 and 82 are formed of the first and second hinge pieces 60 and 70, respectively. The front ends of the fixing screws 84 and 85, which are screwed into the female screw holes 66 and 76 so as to rotate together, respectively, are provided in the fixing grooves 81 'and 82' formed in the lower and upper hinge shafts 81 and 82, respectively. By being inserted, the lower and upper hinge shafts 81 and 82 can be fixed to the first hinge piece 60 and the second hinge piece 70, respectively. In this case, any of the fixing grooves 81 'and 82' can be fixed. One is formed in the circumference of any one of the lower and upper hinge shafts (81, 82), the spring force adjustment groove (82a) is formed at the rear end of any one of the lower and upper hinge shafts (81, 82) Can be; The contact portions of the lower protrusions 63 and 74 may be inclined in a direction to be open when the door 22 is rotated, or a coupling portion 63 ″ and 74 ″ may be formed to further shield the jaw. The shavings in contact with the upper protrusions 64 and 75 may be equally inclined or the jaws may be formed; The slats 22a, 22a... And the slats 21a, 21a..., With the slats 22a, 22a... And the slats 21a, 21a... Hinge for the shutter door, characterized in that the side walls (63 ', 74') can be formed to prevent the movement or twist of the. The upper projection 64 and the lower projection 63 are provided with upper and lower portions from the attachment blade 67 side of the boss 62 of the first hinge piece 60 so that the upper and lower hinges 50 partially overlap each other. The bosses 71 and 72 of the second hinge piece 70 include an upper protrusion 75 and a lower protrusion 74 that extend downwardly and are shielded to contact the upper protrusion 64 and the lower protrusion 63. Extending from the top to the bottom; The hinge shaft holes 71 'and 72' are inserted into the hinge shaft holes 61 and the lower and upper hinge shafts 81 and 82 are rotated together so that the first hinge piece 60 and the second one are respectively rotated. It is fixed to the hinge piece (70), the torsion coil spring (83) is inserted into the hinge shaft hole (61), the hinge for the shutter door, characterized in that it acts to close when the door 22 is opened.