KR200376908Y1 - Hinge - Google Patents

Abstract

The present invention relates to a hinge, the hinge according to the present invention is provided with a first flange to be fixed to the door frame, the first fixing unit provided with a first folding joint of the inner hollow; A second fixing unit having a second flange formed to be fixed to the door, the second fixing unit having an inner hollow second folding portion located at the same center line as the first folding portion; The first foldable engaging portion and the second foldable engaging portion is provided to rotate, it is preferable that an operation unit for fixing the open state of the door relative to the door frame by the movement in the axial direction is configured as described above According to the present invention is possible to control the selective opening angle of the door without a separate device, such as a stopper and the latch, it is possible to produce a small volume of the enclosure has the effect of reducing the hinge is reduced.

In addition, stability is provided by providing stable and gradual movement of the door, thereby facilitating internal repair and replacement of the enclosure and limiting the opening angle of the door to the door frame so that the door handle or the door is provided on the wall surface. There is an effect of obtaining a hinge that is prevented noise generated by hitting.

Description

Hinge {Hinge}

The present invention relates to a hinge, and more particularly, to a hinge that can selectively limit and control the opening of the door to the door frame without a separate device, and enables a stable movement of the door.

In general, the hinge is produced in the form connected by the pin to rotate the two plates, each plate is fixed to the door frame and the door to support the smooth opening and closing of the door.

The conventional door has a problem that it is difficult to maintain the open state, the main reason for keeping the door in the open state is the purpose for realizing the inflow and outflow of indoor ventilation or objects. The reason why such a conventional door is hard to remain open is that the hinge connecting the door and the door frame is freely rotated to near 360 °. Due to this, the door also rotates freely, and when the door is opened, it is easily closed even by a small external force such as wind.

For this reason, there is a problem in that a noise is generated when a door is installed in a conventional hinge.

In order to solve this problem, a conventional door is used by installing a door stopper on a brace or an upper side in order to maintain an open state of the door. The latch is formed in a bar type and rotates up and down. The latch is rotated to reach the ground in the open state to fix the door.

However, since the conventional latch is manufactured separately from the door, there is a troublesome problem of fixing to the door in order to use it.

Moreover, when the door is made of steel, there is a problem that is more difficult to install in order to fix it.

And the door stopper is used to maintain the open state of the door or the gradual closing of the door in the form of connecting a device such as a hydraulic cylinder to one side of the two or more bars (Bar) that is linked to operate.

Since such a conventional door stopper necessarily requires an installation space, for example, when manufacturing a box-type safe or an enclosure, a space for installation of the door stopper is considered, and thus the appearance of the door stopper is increased.

This increases the weight of the enclosure, there is also a problem that increases the manufacturing cost.

Moreover, the door stopper of the heavy body has a problem that the maintenance is difficult because the structure is complicated.

The present invention is to solve the above-mentioned problems, the object of the present invention is to provide a hinge that can provide a stable movement of the door is possible to adjust the opening angle of the door without a separate device, the stability is provided.

Another object of the present invention is to provide a hinge for reducing the weight of the enclosure to reduce the cost, to limit the opening angle of the door to the door frame to prevent the handle or door provided on the door from hitting the wall.

Hinges according to the present invention for achieving the above object is provided with a first flange to be fixed to the door frame, the first fixing unit provided with a first folding coupling portion of the inner hollow; A second fixing unit having a second flange formed to be fixed to the door, the second fixing unit having an inner hollow second folding portion located at the same center line as the first folding portion; Preferably, the first foldable coupling portion and the second foldable coupling portion are provided to rotate, and an operation unit is provided to fix the door to the door frame in an open state by an axial movement.

In addition, one end of the first foldable coupling portion is formed with a first locking groove in the transverse direction, one end of the second foldable coupling portion is formed with a second locking groove in a longitudinal direction, the operation unit is the first foldable coupling portion An actuating shaft inserted into one end and exposed to the outside of the other end and having an engaging protrusion at one end to be caught by the first engaging groove, a spring provided on the actuating shaft to elastically support the actuating shaft, and provided on the actuating shaft It is preferable that the locking pin is located in the locking groove.

In addition, one end of the first foldable engaging portion is formed with a first locking groove in the transverse direction, one end of the second foldable engaging portion is formed with a second locking groove in the longitudinal direction, the operation unit is the first foldable engaging portion And a working shaft inserted into the second folding joint portion, a locking bolt fixedly installed at one end of the working shaft and caught by the first locking groove, and provided at the other end of the working shaft to elastically support the working shaft. It is preferable that the locking pin is provided in the working shaft and is located in the second locking groove, and the working shaft is preferably in a c-shape.

And a rotation limiting groove is formed on the other end transverse surface of the first foldable engagement portion to limit the rotation of the second foldable engagement portion, and the other end of the second foldable engagement portion is provided with a rotational restriction protrusion located at the rotational restriction groove. Preferably, the exposed surface of the first flange and the second flange is preferably provided with a sealing cap.

According to the hinge of the present invention of the configuration as described above it is possible to adjust the opening angle of the door without a separate device such as a stopper and the clasp, it is possible to produce a small volume of the enclosure there is an effect of obtaining a hinge that reduces the reduction.

In addition, stability is provided by providing stable and gradual movement of the door, thereby facilitating internal repair and replacement of the enclosure and limiting the opening angle of the door to the door frame so that the door handle or the door is provided on the wall surface. There is an effect of obtaining a hinge that is prevented noise generated by hitting.

Hereinafter, one preferred embodiment according to the present invention will be described in more detail with reference to the drawings, and the same reference numerals shown in each of the drawings indicate the same members having the same function.

As shown in FIGS. 1 and 2, the hinge 100 according to the present invention is installed between the door 102 and the door frame 104 as in the related art and opens and closes the door 102 with respect to the door frame 104. Will be supported.

To this end, the first fixing unit 110 and the second fixing unit 120 are provided in a collapsible form, and the door 102 is provided at the connection portion between the first fixing unit 110 and the second fixing unit 120. Is composed of an operating unit 130 for fixing in an open state, and will be described in detail for each component below.

The first fixing unit 110 is provided with a first flange 112 to be fixed to the door frame 104, one side is provided with a first folding coupling portion 114 of the inner hollow form.

The first foldable coupling portion 114 has a pair (114a) (114b) is formed in a state spaced apart from both ends of one side of the first fixing unit 110, one end of the first foldable coupling portion 114a located at the top The first locking groove 115 of the substantially rectangular shape in the transverse direction is formed.

In addition, a rotation limiting groove 123 for limiting rotation of the second foldable coupling portion 124 is formed at the other end transverse surface of the first foldable coupling portion 114a. And the other end of the second folding coupling portion 124, the rotation limiting projection 125 is formed to be inserted into the rotation limiting groove 123.

The second folding coupling portion 124 is limited to rotate within a certain range by the rotation limiting groove 123, the opening angle is increased when the cross-sectional area of the other end of the first folding portion 114a is wide, the cross-sectional area is small If it becomes smaller.

An insertion hole 112a is formed in the first flange 112 so that the bolt 150 is inserted, and the bolt 150 is fixed to the door frame 104 by using the bolt 150.

And the second fixing unit 120 is provided with a second flange 122 to be fixed to the door 102, one side is provided with a second folding joint 124 of the inner hollow form, the second folding coupling ( 124 is positioned between the first folding portion 114 of the first fixing unit (110).

A second locking groove 125 is formed at one end of the second folding joint portion 124 in the longitudinal direction.

The first foldable coupling portion 114 and the second foldable coupling portion 124 are positioned on the same center line.

An insertion hole 122a is formed in the second flange 122 so that the bolt 150 is inserted, and the bolt 150 is fixed to the door 102 by using the bolt 150.

The operating unit 130 is disposed between the first folding portion 114 and the second folding portion 124.

The operating unit 130 is composed of a plurality of pins 174 and 176 inserted into the operating shaft 132 and the operating shaft 132 to operate in the longitudinal direction, the first engaging groove on one end of the operating shaft 132 The engaging protrusion 172 is formed to be inserted into the 115.

And the operating shaft 132 is provided with a locking pin 174 on the upper side, based on the state shown, the fixing pin 176 is provided on the lower side.

The locking pin 174 located on the upper side of the operating shaft 132 is for a function of binding the rotating shaft of the second fixing unit 120 to which the door 102 is connected so that the operating shaft 132 rotates in association.

And the lower fixed pin 176 is inserted into the other end of the operating shaft 132 for the function of fixing so that the spring 140 is elastically supported in the operating shaft (132).

Looking at the process of assembling the hinge 100 of such a configuration, between the first folding unit 114 of the first fixing unit 110, the second folding unit 124 of the second fixing unit 120 is the same. Position it on the centerline.

Thereafter, the operating shaft 132 is inserted into the first folding joint 114 and the second folding joint 124, and the locking pin 174 is inserted through the second locking groove 125. And after inserting the washer 142, the spring 140, the washer 142 in the other end side of the operating shaft 132 in order to insert the fixing pin 176 so that the spring 140 is not separated.

On the other hand, the exposed surface of the first flange 112 and the second flange 122 is provided with a sealing cap 160 to be sealed. The sealing cap 160 is fixed by press-fitting into the first flange 112 and the second flange 122, and in the case of separating the separation cap 160 in the separation groove 160a formed in the sealing cap 160 using a tool such as a screwdriver. Done.

Hereinafter, the use state of the hinge 100 according to the present invention of the configuration as described above will be described.

As shown in FIG. 3, when the hinge 100 is installed at the door 102 and the door frame 104 and the door 102 is closed, the first fixing unit 110 and the second fixing unit 120 are closed. It is face to face.

At this time, the operating shaft 132 is slightly raised in the axial direction (see FIG. 3), and the locking protrusion 172 of the operating shaft 132 is separated from the first locking groove 115 to be in a displaced state. 140 is in a compressed state.

Then, when the door 102 is opened as shown in FIG. 4, the operating shaft 132 rotates in conjunction with each other. The locking protrusion 172 formed at one end of the operating shaft 132 is rotated by a predetermined angle so that the first locking groove ( If it is located at 115), it descends.

In this case, the locking pin 174 is also lowered to the same height as the falling height of the operating shaft 132, the door 102 is in an open and fixed state. At this time, the spring 140 is in a state in which the compression is released.

If the door 102 is to be closed in the state in which the door 102 is opened as shown in FIG. 4, the locking protrusion 172 is pushed upward by pushing the operating shaft 132 upwardly to be separated from the first locking groove 115. The door 102 may be closed while maintaining the state.

On the other hand, the rotation limit projection 125 is always in a state located in the rotation limit groove 123.

Figure 5 shows an embodiment of the hinge 100 according to the present invention, the working shaft 232 is in the b-shape.

In this case, a locking bolt 272 engaged with the first locking groove 115 is coupled to an end of the operating shaft 232.

The operation shaft 232 of this type is able to open and close the door 102 by easy operation because the function of the handle is accompanied.

Figure 6 shows another embodiment of the hinge 100 according to the present invention, Figures 1 to 5 is the hinge 100 between the door 102 and the door frame 104 in the open state of the door 102 Figure 6 shows a form for installing, Figure 6 shows a form that can be installed in the hinge 100 from the outside.

In this case, the opening limiting unit 130 is interposed between the first folding unit 214 of the first fixing unit 210 and the second folding unit 224 of the second fixing unit 220.

According to the hinge of the present invention as described above, it is possible to adjust the opening angle of the door without a separate device, such as a stopper and the latch, it is possible to produce a small volume of the enclosure has the effect of obtaining a hinge reduction.

In addition, stability is provided by providing stable and gradual movement of the door, thereby facilitating internal repair and replacement of the enclosure and limiting the opening angle of the door to the door frame so that the door handle or the door is provided on the wall surface. There is an effect of obtaining a hinge that is prevented noise generated by hitting.

1 is a perspective view of a hinge according to the present invention.

2 is an exploded perspective view of the hinge according to the present invention.

3 and 4 is an operating state of the door attached to the hinge according to the present invention.

5 is an embodiment of a hinge according to the present invention.

6 is another embodiment of the hinge according to the present invention.

** Description of the symbols for the main parts of the drawings **

102 ..... Door 104 ..... Door Frame

110 ..... 1st fixed unit 112 ..... 1st flange

114 ..... 1st folding joint 115 ..... 1st locking groove

120 ..... Ash 2 fixing unit 122 ..... 2nd flange

124 ..... 2nd folding joint 125 ..... 2nd locking groove

130 ..... fixed unit 132 ..... working shaft

172 ..... Jamming 174 ..... Jam pin

176 ..... retaining pin

Claims (6)

A first fixing unit provided with a first flange to be fixed to the door frame, the first fixing unit having a first folding-coupling portion of an inner hollow; A second fixing unit having a second flange formed to be fixed to the door, the second fixing unit having an inner hollow second folding portion located at the same center line as the first folding portion; The first hinge coupler and the second fold coupler is provided to rotate, the hinge, characterized in that provided with an operating unit for fixing the door in the open state with respect to the door frame in the axial movement. According to claim 1, wherein the first engaging groove is formed in the transverse direction at one end of the first foldable engaging portion, The second engaging groove is formed in the longitudinal direction at the one end of the second foldable engaging portion, the operation unit is An actuating shaft inserted into one end of the first folding joint part and exposed to the outside of the other end and having an engaging protrusion formed at one end to be caught by the first engaging groove, a spring provided on the actuating shaft to elastically support the actuating shaft, and the actuating shaft The hinge, characterized in that the locking pin located in the second locking groove. According to claim 1, wherein the first engaging groove is formed in the transverse direction at one end of the first foldable engaging portion, The second engaging groove is formed in the longitudinal direction at the one end of the second foldable engaging portion, the operation unit is An actuating shaft inserted into the first foldable engaging portion and the second foldable engaging portion, a fixing bolt fixed to one end of the actuating shaft and caught by the first catching groove, and provided at the other end of the actuating shaft to elastically support the actuating shaft; And a spring for locking and a locking pin provided on the operating shaft and positioned in the second locking groove. 4. The hinge of claim 3, wherein the operating shaft is C-shaped. 5. The rotation limiting groove of claim 1, wherein a rotation limiting groove for restricting rotation of the second folding portion is formed at the other end horizontal surface of the first folding portion, and at the other end of the second folding portion. Hinge, characterized in that the rotation limiting projection is formed in the rotational restriction groove. 6. The hinge of claim 5, wherein a closed cap is provided on exposed surfaces of the first flange and the second flange.