KR100890709B1 - Door hinge apparatus - Google Patents

Abstract

The present invention relates to a door hinge device comprising: a shaft having a lower portion positioned inside a case, an upper portion being exposed, and a balance hole formed at an upper portion thereof, and a balance pin detachable from a balance hole, the height of which is lower than or equal to the height of the balance hole; It is fixed to the support for the door and is fitted to the shaft provides a door hinge device comprising a main rod is adjusted according to the height of the balance pin.

In addition, the present invention is a door hinge device, the lower part is located in the inside of the case and the upper part is installed in the shaft, the cam and the cam is rotated in combination with the shaft rotates only in one of the counterclockwise or clockwise direction Provided is a door hinge device including a cylinder rod formed by including a rotation preventing protrusion in a portion in contact with the cam.

The present invention as described above, the door can be prevented from sagging can shorten the working time during construction, and because the door is closed at 90 ° can reduce the energy emitted to the outside, dirty surrounding by oil leakage It is effective to prevent losing.

Door hinge device, balance hole, balance pin, height, energy saving

Description

Door hinge apparatus

The present invention relates to a door hinge device, and more particularly, to improve the structure of the door hinge device can shorten the working time when the door is constructed, the door is closed at 90 ° can reduce the energy emitted to the outside The present invention relates to a door hinge device that can extend the life of the door by preventing oil leakage and adjusting the speed while maintaining weightlessness and airtightness.

In general, the door hinge device is hinged and fixed to the door so that a passenger can enter and exit by pushing or pulling the door.

The door hinge device is embedded in the bottom surface as a floor hinge device, and part of the door hinge device is hinged while supporting the door.

At this time, the door hinge device was installed by reclaiming the concrete to expose the part to the hinge fixing after the operator digging the ground, smoothing the bottom surface flattened to complete the flattening work.

Therefore, the conventional door hinge device had to have a flattening operation according to the height of the door when the door was constructed, and there was a problem that the working time for the door and the hinge fixing was increased.

In addition, recently, an improved door hinge device capable of preventing the soil from being polluted by oil leakage has been continuously studied.

In addition, the door hinge device that can reduce the loss of room energy by preventing the door from opening wide enough undesirably has been continuously studied in recent years.

In order to solve this problem, the present invention is a door hinge device, the lower part is located inside the case and the upper part is exposed to the shaft and the balance hole is formed on the upper side, detachable to the balance hole but the height is less than or equal to the height of the balance hole It is fixed to the balance pin and the lower portion of the door to support the door, and is fitted to the shaft includes a main rod is adjusted in height in accordance with the height of the balance pin.

According to another feature of the invention, in the door hinge device, the lower portion is located in the interior of the case and the upper portion of the shaft is installed, the cam and the cam is rotated in combination with the shaft, either in the counterclockwise or clockwise direction It includes a cylinder rod formed by including a rotation preventing projection to a portion in contact with the cam so as to rotate only.

According to another feature of the invention, the cam coupled to the shaft is rotated, and a cylinder rod formed by including a rotation preventing protrusion in a portion in contact with the cam so that the cam is rotated in only one of the counterclockwise or clockwise direction do.

According to another feature of the invention, the shaft is characterized in that the leakage preventing groove is formed in the lower portion of the balance hole, the leakage preventing ring is fitted into the leakage preventing groove.

According to another feature of the invention, the cam hole is formed in the cam is coupled to the shaft, one or two stop grooves are formed on the side, the cam hole is characterized in that the octagonal shape.

According to another feature of the invention, the opening angle of the door is caught by the stop groove is characterized in that the 100 ° to 110 °.
According to another feature of the invention, the door is characterized in that it is closed without stopping at an opening angle of 90 °.

According to the door hinge device of the present invention made as described above, the following effects can be obtained.

First, since the door can be prevented from sagging by binding a balance pin corresponding to the height of the door sagging when the door is constructed, there is an effect of reducing the working time when the door is constructed.

Secondly, the door can be prevented from being opened so that it is unnecessarily wide, and there is another effect of reducing the loss of room energy emitted to the outside.

Third, it is possible to prevent the surroundings from being soiled by oil leakage, which has another effect of improving product reliability.

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

<First Embodiment>

1 is a partial perspective view showing a door including a door hinge device according to a first embodiment of the present invention.

Referring to FIG. 1, the door 100 including the door hinge device according to the first embodiment of the present invention includes a tempered glass 102 and a fixing frame 104, and allows a passenger to enter and exit while pushing or pulling. Is installed.

In this case, the door 100 has been described as being rotated 90 degrees counterclockwise or clockwise for convenience of description, but the present invention is not limited thereto and may be installed to rotate more than 90 degrees counterclockwise or clockwise. It may be.

Here, the binding state between the door 100 and the door hinge device (not shown) installed at the lower end of the door 100 will be described in more detail as shown in FIG. 2.

2 is an exploded perspective view illustrating an enlarged portion A of FIG. 1 but partially disassembled the door and the door hinge device, and FIG. 3 is an exploded perspective view of the door hinge device according to the first embodiment of the present invention, except for a case. to be.

4 is an exploded perspective view illustrating an enlarged and partially disassembled balance pin, a balance hole and a main rod of the door hinge device shown in FIG. 3, and FIGS. 5 and 6 are balance pins and a balance of the door hinge device shown in FIG. 3. The joining perspective view and the joining side view showing the hole and the main rod enlarged and joined to each other.

7A to 7C are front views illustrating various balance pins fastened to the balance hole shown in FIG. 4, and FIG. 8 is a plan view partially cut out of the door hinge device according to the first embodiment of the present invention.

2 to 8, the door hinge device 200 according to the first embodiment of the present invention includes a case 202, a shaft 204, a balance pin 206, a leakage preventing ring 207, and a main rod. 208, cam 210, loading plate 212, cylinder rod 214, elastic member 215, and the like.

As shown in FIG. 2, the case 202 includes a shaft 204, a balance pin 206, a main rod 208, a cam 210, a loading plate 212, a cylinder rod 214, which will be described later. It is installed to protect the.

Here, the outer shape of the case 202 may be installed to surround the cam 210 and the cylinder rod 214 to be described later.

At this time, the case 202 is preferably installed in the floor is embedded with concrete to expose the balance hole 204a to be described later.

2 to 7C, the shaft 204 has a portion of the outer shape installed in a cylinder. At this time, the shaft 204 is located in the lower portion of the case 202 and the upper portion is exposed, the balance hole 204a is included in the upper portion is installed.

In addition, the shaft 204 may be formed in an octagonal shape so that the shaft 204 is coupled to the cam 210 to be described later, and a fixing pin 204b may be installed to hinge the inner surface of the case 202.

The balance pin 206 is positioned to be detachable from the balance hole 204a, and is installed to be smaller than or equal to the height h ₁ of the balance hole 204a.

The main rod 208 is fixed to the door 100 made of tempered glass 102 and the fixing frame 104 to support the door 100, and a main rod hole 208a is formed at the center thereof, and a coupling hole at the bottom thereof. 208b is formed.

At this time, the main rod hole 208a is installed to be fitted to the shaft 204, and the coupling hole 208b is installed to be placed on the top surface of the balance pin 206.

In other words, as shown in FIGS. 4 to 6, the height h ₂ of the balance pin 206 is provided to be equal to the height h ₁ of the balance hole 204a.

In addition, the height h ₃ , of the balance pin 206, as shown in FIGS. 7A to 7C. h ₄ and h ₅ may be provided smaller than the height h ₁ of the balance hole 204a.

The balance hole 204a, the balance pin 206, and the main rod 208 can adjust the height of the door 100, so that the height of the door 100 sags when the door 100 is constructed. By binding the balance pins 206, the door 100 can be prevented from sagging.

On the other hand, although not shown, the width w ₂ of the balance pin 206 may be provided smaller than the width w ₁ of the balance hole 204a. At this time, the lower portion of the balance pin 206 is preferably fixed to the lower portion of the balance hole 204a.

In addition, the balance hole 204a and the balance pin 206 are formed in a three-dimensional 'T', the present invention is not limited to this, but the balance hole 204a and the balance pin 206 is provided in a three-dimensional shape, but the balance hole If the top surface of the 204a and the balance pin 206 has a flat surface and can be detached from each other, it can be installed.

A leakage preventing groove (not shown) is formed in the lower portion of the balance hole 204a, and the leakage preventing ring 207 is fitted into the leakage preventing groove (not shown).

Such a leakage preventing ring 207 is installed to prevent oil leakage and speed control of the door 100 while maintaining a weightless state and an airtight state.

Therefore, the leakage preventing ring 207 can extend the life while preventing the soil from being polluted by oil leakage, thereby improving the reliability of the product.

As shown in Figures 2 to 6, the cam 210 may be installed to rotate in combination with the shaft 204. At this time, an octagonal cam hole 210a is formed in the cam 210 and coupled to the shaft 204, and one or two stop grooves 210b may be formed to be spaced apart from each other.

In addition, the first bearing 209 may be located between the shaft 204 and the cam hole 210a, and the cam washer 211 and the second bearing 213 may be sequentially positioned below the cam 210. It may be.

The first bearing 209, the cam washer 211, and the second bearing 213 may be installed to smoothly rotate the cam hole 210a while supporting the load of the shaft 204 so as to smoothly rotate during rotation. have.

Referring to FIG. 8, the loading plate 212 may be located between the cam 210 and the inner surface of the case 202, and a loading plate hole 212a may be formed in the center portion thereof.

In addition, the cylinder rod 214 may be coupled to the elastic member 215, one side of which accumulates the restoring force along the rotational direction of the cam 210, and the other side may be fixed to the loading plate 212 and installed.

At this time, the loading plate hole 212a may be installed such that the inner surfaces of the shaft 204 and the case 202 are hinged to each other, and the loading plate 212 may be installed to allow horizontal movement by the elastic member 215. There is a number.

In addition, the loading plate 212 may be formed with one or two stop protrusions 212b spaced apart from each other at an edge portion thereof.

The one or two stop projections 212b are in contact with the outer circumferential surface of the rotating cam 210 to horizontally move the loading plate 212, and the cam 210 is in contact with one stop groove 210b. It may also be installed to stop.

The operation of the door hinge device 200 according to the first embodiment of the present invention as described above is as follows. At this time, the operation of the door hinge device 200 according to the first embodiment of the present invention will be described with reference to FIG.

First, when the passenger pulls the door (100 in FIG. 1), the elastic member 215 accumulates the restoring force, and the outer circumferential surfaces of the cam 210 that rotates clockwise with one or two stop protrusions 212b coincide with each other. It moves and the loading plate 212 to the left direction.

At this time, when one or two stop projections 212b and one or two stop grooves 210b are in contact with each other, the door (100 in FIG. 1) is fixed and forms an opening angle of 100 ° to 110 °. The door (100 in FIG. 1) is kept open.
That is, Fig. 8 (b) is in the open state (before the door is fixed), and if the force applied is removed without further opening the door in this state, the door returns to the closed state in Fig. 8 (a). When the state (c) of FIG. 8 is opened (after the door is fixed), even if the force applied from the outside is removed, the state of FIG. 8 (a) does not return to the closed state.

In addition, although not shown, even if a passenger pushes the door (100 in FIG. 1), one or two stop protrusions 212b and one or two stop grooves 210b are engaged with each other in the counterclockwise direction, so that the door ( 100 of FIG. 1 is fixed and forms an opening angle of 100 ° to 110 °, so that the door (100 of FIG. 1) can be kept open.

On the contrary, when the passenger closes the door (100 in FIG. 1), one or two stop protrusions 212b and one or two stop grooves 210b are shifted from each other, and one or two stop protrusions 212b are clockwise or Since the outer circumferential surfaces of the cam 210 which rotate in the counterclockwise direction abut each other, the loading plate 212 is moved to the right direction by the restoring force of the elastic member 215, thereby closing the door (100 in FIG. 1). Will be maintained.

As such, the door hinge device 200 according to the first embodiment of the present invention includes a balance hole 204a, a balance pin 206, and a main rod 208, so that the height of the door 100 can be adjusted. do.

Accordingly, the door hinge device 200 according to the first embodiment of the present invention binds the balance pin 206 corresponding to the height at which the door 100 sags when the door 100 is constructed, thereby allowing the door 100 to be closed. Since drooping can be prevented, working time can be shortened at the time of constructing the door 100. FIG.

In addition, since the door hinge device 200 according to the first embodiment of the present invention includes a ring for preventing leakage of oil 207, it is possible to prevent the environment from being polluted by oil leakage, thereby improving the reliability of the product. .

Second Embodiment

FIG. 9 is a plan view partially cut out of the door hinge device according to the second embodiment of the present invention, and FIGS. 10A and 10B are plan views showing cylinder rods of the door hinge device according to the second embodiment of the present invention.

9, the door hinge device 900 according to the second embodiment of the present invention is the same as the door hinge device 200 according to the first embodiment of the present invention, the case 202, the shaft 204, The balance pin 206, the main rod 208, the cam 210, the loading plate 212, the elastic member 215, and the like are included.

As such, the respective functions corresponding to the components of the door hinge device 900 according to the second embodiment of the present invention and the organic relationship therebetween are configured of the door hinge device 200 according to the first embodiment of the present invention. Since each function corresponding to an element and an organic relationship between them are the same, each description thereof will be omitted below.

However, the door hinge device 900 according to the second embodiment of the present invention, as shown in Figure 10a and 10b, the cam 210 so that the cam 210 is rotated only in one of the counterclockwise or clockwise direction ( The cylinder rod 914 including the anti-rotation protrusions 914a and 914b is installed at a portion in contact with the 210.

As such, the door hinge device 900 according to the second embodiment of the present invention includes the cylinder rod 914 including the anti-rotation protrusions 914a and 914b, so that the rider may halve the door (100 in FIG. 1). It can be opened and closed only in either the clockwise or clockwise direction.

Therefore, the door hinge device 900 according to the second embodiment of the present invention reduces the reciprocation of the door (100 in FIG. 1) when the door (100 in FIG. 1) is opened and closed by a passer, thereby reducing the door ( 100 of FIG. 1 can be prevented from being unnecessarily wide open, thereby reducing the loss of room energy emitted to the outside.

Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, the above-described embodiments are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the appended claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

1 is a partial perspective view showing a door including a door hinge device according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing part A of FIG. 1 but partially disassembled the door and the door hinge device; FIG.

Figure 3 is an exploded perspective view of the door hinge device according to the first embodiment of the present invention disassembled except for the case.

4 is an exploded perspective view illustrating an enlarged and partially disassembled balance pin, a balance hole, and a main rod of the door hinge device shown in FIG. 3;

5 and 6 are a perspective view and a side view of the coupling shown in the balance pin and the balance hole and the main rod of the door hinge device shown in FIG.

7A to 7C are front views illustrating various balance pins fastened to the balance hole shown in FIG. 4.

Figure 8 is a plan view showing a partially cut away the door hinge device according to a first embodiment of the present invention.

Figure 9 is a plan view showing a partially cut out the door hinge device according to a second embodiment of the present invention.

10A and 10B are plan views showing a cylinder rod of the door hinge device according to the second embodiment of the present invention.

* Description of the main parts of the drawings *

100: door 102: tempered glass

104: fixing frame 200, 900, 1000: door hinge device

202: case 204: shaft

204a: balance hole 206: balance pin

207: oil leakage ring 208: main rod

208a: main rod hole 209: first bearing

210: cam 210a: cam hole

210b: stop groove 211: cam washer

212: loading plate 212a: loading plate hole

212b: stop projection 213: second bearing

214, 914: cylinder rod 215: elastic member

914a, 914b: anti-rotation protrusions h ₁ , h ₂ , h ₃ , h ₄ , h ₅ : Height

w ₁ , w ₂ : width

Claims (7)

In the door hinge device, A shaft, the lower portion of which is located inside the case and the upper portion of which is exposed and a balance hole formed in the upper portion; A balance pin detachable from the balance hole, the height being less than or equal to the height of the balance hole; And And a main rod fixed to a lower portion of the door to support the door and fitted to the shaft, the height being adjusted according to the height of the balance pin. delete The method of claim 1, A cam coupled to the shaft to rotate; And a cylinder rod including a rotation preventing protrusion formed in a portion in contact with the cam such that the cam rotates only in a counterclockwise or clockwise direction. The method according to claim 1 or 3, The shaft is a door hinge device, characterized in that the leakage preventing groove is formed in the lower portion of the balance hole, the leakage preventing ring is fitted into the leakage preventing groove. The method of claim 3, wherein The cam hole is formed in the cam is coupled to the shaft, one or two stop grooves are formed on the side, the cam hole is characterized in that the octagonal door hinge device. The method of claim 5, The door hinge device, characterized in that the opening angle of the door is caught by the stop groove is 100 ° to 110 °. The method of claim 6, And the door is closed without stopping at an opening angle of 90 °.

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