KR200385379Y1 - Hinge - Google Patents

Abstract

The present invention relates to the improvement of the hinge, in particular, to prevent damage to the cutting mold during the manufacture of the hinge and at the same time to double the rigidity of the hinge to prevent the phenomenon of sagging and deformation during use.

In order to achieve the above object of the present invention in constructing the hinge consisting of the door frame fixing plate 200 and the door fixing plate 300, forging the inner and outer sides of the main body 210, 310 constituting the hinge 100, inclined surface (211) (311) or engaging jaw (211A) (311A), such as the locking portion at the same time, the connecting rods (250) 350, the threaded rod (110) formed with the threaded portion (111) and then fastening nut 112 It is made by fastening with).

Description

Hinges {HINGE}

The present invention relates to the improvement of the hinge, in particular, by using a press mold to cut the door frame fixing plate and the door fixing plate constituting the hinge to make the door frame fixing plate and the door fixing plate separated configuration and then the combination consisting of the main body of the door frame fixing plate and the door fixing plate By means of forging processing to be formed in the inner and outer sides to be engaged with each other when folding, means for easy cutting work without damage to the die blade and at the same time to prevent sagging due to door load during use, door frame fixing plate and door Insert the axial rod with the spiral part on the connecting pipe formed on one side of the plate and fix it with the fastening nut so as to be supported by the fastening nut on the upper and lower parts of the connecting pipe of the door frame fixing plate to prevent deformation of the connecting pipe due to the door load. I would have to.

Hinges are provided to connect the door frame and the door so that the door can be rotated and opened, and various types of hinges are provided.

As an example, a hinge 10 constructed as in FIGS. 19 and 20 is provided.

Referring to the manufacturing process of the hinge 10 is configured as described above by pressing the iron plate of a certain thickness (about 2.7mm) by using the door frame fixing plate 20 and the iron plate remaining inside the door frame fixing plate 20 Simultaneously press-cut the door fixing plate 30, and at this time, a space 11 of about 2 mm is provided between the inner surface 21 of the door frame fixing plate 20 and the outer surface 31 of the door fixing plate 30. The door frame fixing plate 20 and the door fixing plate 30 are formed so as not to obstruct the operation of rotating and opening the connecting pipes 23 and 33 on the shaft.

In the manufacturing process of the hinge 10, the iron plate having a thickness of about 2.7mm is pressed through the press die cutting blade so that the door frame fixing plate 20 and the door fixing plate 30 are simultaneously cut, the door frame fixing plate 20 and the door fixing plate 30 In order to form a space part 11 of about 2mm between the cut and the cutting residue of about 2mm is formed over the entire surface, in this case, the thickness of one side of the mold blade should also be made thinner about 2mm In addition to a lot of difficulties in cutting work, too much force is applied to the mold blade causes frequent breakage was causing a lot of problems in the production of the hinge.

As well as the door fixing plate 30 when using the hinge 10 produced as described above, the door load is fixed to the door fixing plate 30 while the door is fastened with screws, so that the door frame fixing plate 20 and the door fixing plate 30 in the long term use 2) The deflection phenomenon of the door is caused by the space portion 11 of about 2mm, and thus the problem of the door opening and closing operation not being made smoothly occurs.

In addition to the above problems, in the case of the hinge 10, which is conventionally used, a shaft pin is inserted into the connector 23 and 33 as a means for rotating and opening the door frame fixing plate 20 and the door fixing plate 30, and then the door frame fixing plate 20. The upper and lower connecting pipe 23 is configured to insert the stopper 13 is coupled to the inlet portion, the connecting pipe 23 configured in the door frame fixing plate 20 is completely separated up and down.

At the same time, the connecting pipe 33 of the door fixing plate 30 coupled to the door is supported by the lower connecting pipe 23 configured in the door frame fixing plate 20 to transfer the load of the door, and if this phenomenon is maintained for a long time, the lower connecting pipe 23 ) As the part is bent downward and deformed, not only does it generate noise, but also prevents the smooth opening and closing of the door.

In order to solve this problem, there is a configuration in which the applicant of the present invention has applied for a patent application as "Hinge" Patent Application No. 2004-104291.

In other words, in forming a hinge formed by rotating the door frame fixing plate and the door fixing plate with the shaft pin freely, the door frame fixing plate and the door fixing plate are molded in a die-casting structure, and the inclined surfaces of the door frame fixing plate and the door fixing plate are opposed to the inner edges and outer edges of the main body. When the hinges are folded, the inclined surfaces coincide with each other while being engaged to prevent the drooping or deformation of the door frame fixing plate.

Therefore, the hinge of the above-described configuration has solved the problem of the hinge provided in the prior art, but there were many advantages in use, but there was no provision of the hinge by a press forming method using an iron plate rather than a die casting casting method.

The present invention is to form a hinge by forming a steel plate in a press method in order to correct the various points of the prior art, but the door frame fixing plate and the door fixing plate is configured to be engaged with each other and at the same time as a connecting assembly connecting them This prevents the door from sagging or deformation of the door frame fixing plate, so that the door can be opened and closed smoothly.

In order to achieve the above object of the present invention, the iron plate having a certain thickness is cut into a press mold to form a preliminary door frame fixing plate and a preliminary door fixing plate. This configuration, and the space portion is formed in the connecting piece portion in which the connecting pipe is formed.

Forging the preliminary cut surface of the preliminary door frame fixing plate and the preliminary door fixing plate cut as described above to form a catching portion such as an inclined surface or a catching jaw, wherein the inclined surface and the catching jaw face each other, and the connecting piece portion in the above state. By forming the connector body by bending in a circular shape, the door frame fixing plate and the door fixing plate are formed, and at the same time, the connector body is aligned with each other, and then the shaft parts formed with the screw parts are inserted at both ends, so that the screw parts formed on the shaft parts protrude to the upper and lower parts of the connecting pipe. In addition, the fastening nut is coupled to the upper and lower threaded portions penetrating the connecting pipe so that the upper and lower connecting pipes of the door frame fixing plate are supported and fixed.

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

1 to 4 is a configuration diagram of the hinge 100 to be provided in the present invention is that the door frame fixing plate 200 and the door fixing plate 300 is configured to be freely rotated through the connecting pipe 250, 350 It is no different from the hinge.

The hinge 100 to be provided in the present invention is configured by press-cutting the door frame fixing plate 200 and the door fixing plate 300 with an iron plate, and the main body 210, 310 of the door frame fixing plate 200 and the door fixing plate 300. Forging the inner and outer sides to form a locking portion, the locking portion is configured to face each other so that the main body 210, 310 can be engaged with each other through the locking portion.

The upper and lower connecting pipes 250 of the door frame fixing plate 200 are inserted into the connecting rods 250 and 350 formed at one side of the main body 210 and 310 by inserting the shaft rods 110 having the screw portions 111 formed at both ends thereof. ) To the outer side, and insert the washer 113 into the threaded portion 111 protruding to the outside of the connector pipe 250 and then screwed into the fastening nut 112 to lock the door frame 200 by the fastening nut 112. ) Is configured to support the connecting pipe 250 formed on both sides without opening in the vertical direction.

The manufacturing process and configuration of the hinge 100 configured as described above will be described in more detail according to the embodiment through FIGS. 6 to 32.

6 to 18 is a form of the engaging portion formed by forging the main body 210, 310 of the door frame fixing plate 200 and the door fixing plate 300 as an embodiment of the hinge 100 to be provided in the present invention It is to be composed of a slope.

That is, the steel plate having a thickness of about 2.5 to 3 mm is inserted into the press, and the preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' are cut and processed as shown in FIG. In (210) and (310), the preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' are vertically cut in contact with each other to form vertical cutting surfaces 211 'and 311' as shown in FIGS. And the connecting piece 250, 350 is formed in the connecting piece 250 ', 350' portion is formed in the space portion 120 is formed so that the connecting piece 250, 350 portion is separated from each other.

The preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' which are cut through the cutting mold of the press machine are forged through the forging mold installed in the press machine, and the engaging portions are formed on the vertical cutting surfaces 211 'and 311'. 12 and 14, the locking portion is inclined surfaces 211 and 311. As shown in FIG.

At this time, the inclined surface 211 formed in the door frame fixing plate 200 and the inclined surface 311 formed in the door fixing plate 300 are configured in opposite directions to be engaged with each other.

As described above, when the forging process of the inclined surfaces 211 and 311 is completed on the inner and outer sides of the preliminary door frame fixing plate 200 ′ and the preliminary door fixing plate 300, the main body 210 and 310 one side. The door frame fixing plate 200 constituting the hinge 100 by bending the portion of the connecting piece 250 ′, 350 ′ configured in the round shape to form the connecting pipe 250 and 350 as shown in FIGS. 16 and 18. And the door fixing plate 300 is configured.

In this case, the locking projections 213 and 313 and the fastening holes 214 and 314 formed in the door frame fixing plate 200 and the door fixing plate 300 are formed in a press cutting process through a cutting die and a forging process through a forging die. Just do it.

When the door fixing plate 300 is inserted into the space part 230 and the opening part 240 of the door frame fixing plate 200 processed as shown in FIG. 15, the connecting body 350 of the door fixing plate 300 is the opening part 240. At the same time, the main body 310 is fitted to the space portion 230, while the connecting pipes 250 and 350 coincide with each other side by side, and also the engaging portion forged in and out of the main body 210, 310, That is, the inclined surfaces 211 and 311 are engaged with each other by coinciding with each other.

In the above state by connecting the connector (250, 350) with a shaft pin to produce a hinge.

19 and 32 will be described in detail the manufacturing process and configuration of the hinge 100 of the present invention.

19 to 32 is to make the shape of the locking portion formed on the inner and outer sides of the door frame fixing plate 200 and the door fixing plate 300 to the locking jaw.

That is, the steel plate having a thickness of about 2.5 to 3 mm is inserted into the press, and the preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' are cut and processed as shown in FIG. In (210) and (310), the preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' are vertically cut in contact with each other to form vertical cutting surfaces 211 'and 311' as shown in FIGS. And the connecting piece 250 '350 is formed in the connecting piece 250', 350 'portion is formed so that the space portion 120 is formed so that the connecting piece 250, 350 portions are separated from each other.

The preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300' which are cut through the cutting mold of the press machine are forged through the forging mold installed in the press machine, and the engaging portions are formed on the vertical cutting surfaces 211 'and 311'. 12 and 14, the locking portion has a locking jaw 211A and 311A.

In this case, the locking step 211A of the door frame fixing plate 200 and the locking step 311A of the door fixing plate 300 are configured in opposite directions to be engaged with each other.

As described above, when the forging process of the locking jaw (211A) (311A) on the inner and outer sides of the preliminary door frame fixing plate 200 'and the preliminary door fixing plate 300 is completed, the main body 210 (310) The door frame fixing plate 200 constituting the hinge 100 by bending the portion of the connecting piece 250 ', 350' constituted on one side to form a connecting pipe 250, 350 as shown in Figure 30 and 32 ) And the door fixing plate 300 is configured.

In this case, the locking projections 213 and 313 and the fastening holes 214 and 314 formed in the door frame fixing plate 200 and the door fixing plate 300 are formed in a press cutting process through a cutting die and a forging process through a forging die. Just do it.

When the door fixing plate 300, as shown in Figure 31, is inserted into the space portion 230 and the opening portion 240 of the door frame fixing plate 200, as shown in Figure 29, the connecting body 350 of the door fixing plate 300 ) Is located in the opening portion 240, and at the same time the main body 310 is fitted into the space portion 230, the connecting pipes 250 and 350 coincide with each other side by side, and also inside and outside the main body 210 (310) Forging is engaged in the engaging portion, that is, engaging jaw (211A) 311A coincident with each other.

In the above state by connecting the connector (250, 350) with a shaft pin to produce a hinge.

In the present invention, when coupling the connector body 250, 350, as shown in the related art, the shaft is formed on both side ends without using a shaft pin and the coupling nut is formed using a fastening nut.

As shown in FIG. 4, the threaded portions 111 are formed at both end portions of the shaft rod 110, and the shaft rods 110 are inserted into the connecting pipes 250 and 350 so that both the threaded portions 111 are connected to both side connecting pipes 250. To protrude to the outside, in the same state as above, insert the washer 113 in the threaded portion 111, and then fasten and fasten with the fastening nut 112.

As described above, when the fastening nuts 112 are screwed to both side threaded portions 111 of the shaft rod 110 inserted into the connecting pipes 250 and 350, the fastening nut 112 and the connecting pipe 250 are washers ( 113 is formed in close contact with each other, even if a load is applied to the connector body 250 is not deformed or the opening 240 gap between the connector body 250 does not increase.

In constructing the shaft rod 110 of the present invention, as shown in FIG. 5, the head 112 'is integrally formed at the upper end of the shaft rod 110, and the fastening nut 112 is formed at the lower end thereof. It can also be tightened with.

In implementing the present invention, the fastening nut 112 is screwed to the threaded portion 111 of the shaft rod 110, the fastening nut 112 may be screwed to the threaded portion 111, and then the fastening nut 112 may be tightened. It is preferable to provide a means (a hexagonal wrench groove, a + screwdriver groove, or a polygonal face which is clamped with a monkey, a spanner, etc.).

In the implementation of the present invention, as a means for assembling the connecting pipe, a shaft rod having a threaded portion formed at both ends and then fixed with a fastening nut may be used for a hinge manufactured by a die casting casting method as well as a hinge manufactured by pressing a steel plate.

Reference numeral 150 is a bushing.

The hinge 100 of the present invention configured as described above is fixed to the door frame fixing plate 200 to the door frame, the door fixing plate 300 is fixed to the door is freely used to rotate the door opening and closing from the door frame.

However, in the present invention, in constructing the hinge, using the iron plate having a predetermined thickness to configure the hinge 100 by pressing, the main frame of the door frame fixing plate 200 and the door fixing plate 300 constituting the hinge 100 Forging is applied to the inner and outer sides of the 210 and 310 to form a catching part such as the inclined surfaces 211 and 311 or the catching jaws 211A and 311A facing each other, and the inclined surfaces 211 and 311 and the catching jaws 211A. Since 311A is engaged with each other, it is not necessary to secure a space of about 2 mm between the door frame fixing plate and the door fixing plate for smooth rotation opening and closing as in the prior art.

In the hinge 100 manufactured by pressing the iron plate as described above, the main body 210 of the door frame fixing plate 200 and the main body 310 of the door fixing plate 300 are inclined surfaces 211 and 311 or locking jaws ( By engaging the engaging portion such as 211A) (311A), it is possible to prevent the phenomenon that the circular shape of the hinge 100 is changed by the door load when the hinge 100 is engaged.

Also, as a means for coupling the door frame fixing plate 200 and the door fixing plate 300, the threaded part 110 is formed by inserting the shaft rods 110 formed at both ends on the connecting pipes 250 and 350. The load of the door in use of the hinge 100 is connected to the connector body 250 by protruding to both sides of the connector body 250 of the 200 and then being fastened and fastened by the fastening nut 112 to be supported from the outside of the connector body 250. Even if it is transmitted, the fastening nut 112 screwed to the end of the shaft rod 110 is supported once more, thereby preventing deformation of the door frame fixing plate 200 due to the door load as in the prior art.

As described above, the hinge is constructed by pressing and forging work using the iron plate, and in particular, the main frame parts of the door frame fixing plate and the door fixing plate constituting the hinge are pressed vertically, and the vertical cutting surface is then forged and inclined. The locking parts such as the locking jaw are configured, and the locking parts are engaged with each other, thereby preventing the drooping phenomenon during use, and the locking parts of the forged parts are coupled to each other to open and close the hinges according to the opening and closing of the door. There is no obstacle and it is effective to prevent deformation of the door frame fixing plate due to the load of the door during use by inserting the shaft rod formed with the threaded portion as the connecting means of the connecting body and then screwing the fastening nut into the threaded portion integrally. will be.

1: a perspective view of the present invention.

2 is a front configuration diagram of the present invention.

3 is a cross-sectional view of the connector body of the present invention.

4 is an exploded perspective view of the present invention.

5 is an exploded perspective view of another embodiment of the present invention.

Figure 6: Press cutting state of the preliminary door frame fixing plate and preliminary door fixing plate for the hinge manufacturing of the present invention.

7 is a state diagram of a preliminary door frame fixing plate for the hinge production of the present invention.

8 is a cross-sectional view of FIG.

9 is a state diagram of the preliminary door fixing plate for the hinge manufacturing of the present invention.

10 is a cross-sectional view of FIG.

Fig. 11: A state diagram in which an inclined surface is formed on the inner side of the main body in the state of Fig. 7.

Fig. 12 is a cross sectional view of Fig. 11.

Fig. 13: A state diagram in which an inclined surface is formed on the outer side of the main body in the state of Fig. 9;

Fig. 14 is a cross sectional view of Fig. 13.

15: A state diagram in which the connecting tube is configured in the state shown in FIG.

Fig. 16 is a cross sectional view of Fig. 15.

Fig. 17 is a state diagram in which the connecting tube is constructed in the state of Fig. 13;

18 is a cross-sectional view of FIG.

19 is a perspective view of another embodiment of the present invention.

20: Press cutting state diagram of the preliminary door frame fixing plate and the preliminary door fixing plate for the hinge manufacturing of another embodiment of the present invention.

21: a state diagram of the preliminary door frame fixing plate for the hinge production of another embodiment of the present invention.

Fig. 22 is a cross sectional view of Fig. 21.

Figure 23: a state diagram of the preliminary door fixing plate for the hinge manufacturing of another embodiment of the present invention.

Fig. 24 is a cross sectional view of Fig. 23.

Fig. 25 is a state diagram in which the locking step is formed on the inner surface of the main body in the state of Fig. 21;

Fig. 26 is a cross sectional view of Fig. 21.

Fig. 27 is a state diagram in which the locking step is formed on the outer surface of the main body in the state of Fig. 23;

Fig. 28 is a cross sectional view of Fig. 27;

Fig. 29 is a state diagram in which the connecting tube is configured in the state of Fig. 25;

Fig. 30 is a cross sectional view of Fig. 29;

Fig. 31 is a diagram illustrating the connecting tube in the state shown in Fig. 27;

Fig. 32 is a cross sectional view of Fig. 31;

33 is a perspective view of a conventional hinge.

34 is a front configuration diagram of a conventional hinge.

<Description of the symbols for the main parts of the drawings>

(100)-Hinge (110)-Shaft

(111)-Thread (112)-Tightening Nut

(113)-Washer (200)-Door Frame Lock

(200 ')-Preliminary Frame Fixation Plate (210)-Main Body

(211)-Slope (211 ')-Vertical Cut

(211A)-Jang Jaw (250)-Connector

(250 ')-Connection (300)-Paper Lock

(300 ')-Preliminary Stationary Edition (310)-Main Body

(311)-Slope (311A)-Jump

(311 ')-vertical cross section (350)-connector

(350 ')-Connection

Claims (4)

Press-cutting the iron plate to form a door frame fixing plate 200 and the door fixing plate 300 consisting of the main body 210, 310 and the connecting pipe 250, 350, the shaft pins on the connecting pipe 250, 350 In order to form a hinge that the door frame fixing plate 200 and the door fixing plate 300 is free to rotate and open, the door frame fixing plate 200 and the outer surface of the door fixing plate 300 forging to form a locking portion, Hinges characterized in that the door frame fixing plate 200 and the door fixing plate 300 by the engaging portion to be engaged when folded. The hinge according to claim 1, wherein the locking parts formed on the inner and outer surfaces of the door frame fixing plate (200) and the door fixing plate (300) are opposed inclined surfaces (211) (311). The hinge according to claim 1, wherein the locking parts formed on the inner and outer sides of the door frame fixing plate (200) and the door fixing plate (300) are opposed locking jaws (211A) (311A). In the door frame fixing plate 200 consisting of the main body 210, 310 and the connecting pipe 250, 350 and the door fixing plate 300 in a hinge configured by rotatably opening and closing, the door frame fixing plate 200 and the library Insert the shaft rod (110) having the threaded portion (111) to the connecting pipe 250 (350) of the top plate 300 so that the screw 111 of the shaft 110 protrudes to the outer side of the connecting pipe 250, the connecting pipe ( 250) Hinges characterized in that the door frame fixing plate 200 and the door fixing plate 300 is assembled by screwing the fastening nut 112 to the threaded portion 111 protruding to the outside.