KR20010027845A - Push-pull type door opening apparatus - Google Patents

Abstract

PURPOSE: A push-pull door opening device is provided to be useful for a patient, a loader, or a child not to turn a doorknob, and to prevent noise at restoring a door. CONSTITUTION: A fitting unit(16) is inserted to a fitting groove(13) of a door frame(12) by an elastic member, and a door(11) is closed. A protrusion(21) of a sliding unit(20) contacted to a pushed plate(27) moves the sliding unit to the left with turning the pushed plate contacted to a push rod(41) in pushing a push member(40) out of the door. The fitting unit combined with the sliding unit by an elastic member(15) is separated from the fitting groove, and the door is opened. The sliding unit returns by a restoring force of the elastic member in eliminating the pushing force of the push member. A pulling plate is pulled and turned by a pull rod(51) in pulling a pull member(50) at the inside of the door. The protrusion of the sliding unit contacted to a pulling plate moves the sliding unit to the left, and the door is opened. The sliding unit is restored with the restoring force of the elastic member by eliminating the pulling force.

Description

Push-pull type door opening apparatus

The present invention relates to a push-pull door opening and closing device that can open and close the door by pushing or pulling the door handle.

In general, the opening and closing device of the door is composed of a rotary opening and closing device that is opened and closed by pushing or pulling in a state in which the round knob formed to be easily held by a person in a clockwise or counterclockwise direction.

10A and 10B are cross-sectional views showing an operating state of a conventional rotary door opening and closing device. Rounded handles 81 are installed on both sides of the door, and the handles 81 are installed through the door so as to rotate in a clockwise or counterclockwise direction inside the handle 81. Sliding openings (83) are formed inside the doors so as to slide left and right in engagement with the projections (82) formed at the end portions of the respective handle shafts, and through one side of the sliding openings (83) via an elastic spring (88). Attach the hook 87 so as to slide into the insertion groove formed in the door frame. The sliding hole 83 is disposed between the ring 84 formed inside the sliding hole 83 and the case 85 accommodating the sliding hole 83 through a hole formed at the other side of the sliding hole 83. Another elastic spring 86 is provided to impart restoring force.

In the rotary door opening and closing device of the present invention, as shown in FIG. 10A, the locking door 87 is inserted into the insertion groove of the door frame by the elastic force of each elastic spring 86 and 88 to close the door. do. When the door is to be opened, the handle 81 is turned clockwise or counterclockwise. At this time, the protrusion 82 formed at the end of the handle shaft attached to the handle 81 has a hook (inside the sliding hole 83). 84, by rotating while pushing the catch 87 is released from the insertion groove of the door frame. That is, as shown in Fig. 10B, the door can be opened by pushing or pulling in the state in which the catch 87 is released. At this time, by removing the force turned the handle 81, the sliding sphere 83 is slid by the restoring force of the elastic spring (86) (88).

However, in such a rotary door opening and closing device, the door can only be opened by pushing or pulling the door while the handle is turned in either direction. It is unsuitable for use by occasional or powerless children, and there is a problem that others must always accompany.

In addition, since a lot of unnecessary noise occurs due to the rotation of the handle and return to the original state, there is a problem that opening or closing the door is disturbed to other people where quieting is required.

In addition, there is a problem that the opening and closing device is often broken because the projection formed between the ring formed on the sliding hole and the handle shaft is easily worn or damaged by continuous contact and friction.

The present invention can be easily opened and closed the patient, a person carrying a baggage, a child in a situation that can not turn the handle of the door, can prevent the noise generated by returning to the original state by turning the handle It is an object of the present invention to provide a door opening and closing device that can maintain a quiet atmosphere in the room.

In addition, an object of the present invention is to provide a door opening and closing device that can extend the service life of the device semi-permanently by preventing wear or damage of each component constituting the door opening and closing device.

Such opening and closing device of the present invention is characterized in that in the conventional rotary door opening and closing device to change the sliding operation of the locking mechanism by the rotation of the handle to the sliding operation by the forward and backward movement of the push member or pull member.

1 is a partial cross-sectional perspective view schematically showing the apparatus of the present invention;

Figure 2 is a cross-sectional view showing the installation state of the device of the present invention,

3 and 4 is a partial cross-sectional perspective and cross-sectional view showing an operating state when the push member is pushed,

5 and 6 is a partial cross-sectional perspective and cross-sectional view showing an operating state when the pull member is pulled,

7 is a longitudinal sectional view of the device of the present invention;

8 is a longitudinal sectional view showing a state of locking a door using a keyway;

Figure 9 is a longitudinal cross-sectional view showing a state of locking the door using a fixing button,

10A and 10B are cross-sectional views schematically showing an operating state of a conventional rotary door opening and closing device.

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

14: case 20: sliding ball

21: protrusion 22: fixing pin

23: first rotating pin 24: second rotating pin

25: spring 26: stopper

27: jungle board 29: pull plate

30: anti-roll 40: push member

41: Push Rod 43: Keyway

50: pull member 51: pull rod

53: fixed button 54: fixed rod

58: fixed plate

The push-pull door opening and closing device of the present invention is a door opening and closing device that can open and close a door by inserting or detaching a locking hole into an insertion groove formed in a door frame, the case being fixedly installed in a groove formed in the door. And a sliding member installed in the case so as to be slidable, and a sliding member connected at one end thereof through the elastic member, and a push member installed through one side of the case so as to slide by sliding the release means formed in the sliding hole. And a pull member penetrating from the other side of the case so as to slide by releasing the release means formed in the sliding hole.

In addition, in the door opening and closing device, the release means is a sliding plate and a pull plate rotatably installed on the fixing pin fixed to the case, respectively, and the contact with the slide plate and the pull plate to be slid by their rotation; Consists of a protrusion formed on the inside of the sliding sphere, the push rod is attached to the end of the push member to push the rotary plate, the pull rod is attached to the end of the pull member to pull the rotation plate It features.

When the device of the present invention is applied to a general door, it is not necessary to make the handle unnecessary large or uniformly rounded, and it can be designed and used in a desired size and shape.

Hereinafter, the push-pull door opening and closing apparatus of the present invention will be described in detail with reference to the accompanying drawings.

1 is a partial cross-sectional perspective view schematically showing the device of the present invention, Figure 2 is a cross-sectional view showing the installation state of the device of the present invention.

First, a groove for installing the apparatus of the present invention is formed in a door 11 having one side (left side in FIG. 2) coupled to a hinge shaft or the like, and the case 14 is fixedly installed in the groove. The sliding hole 20 is installed inside the case 14, and one end thereof is coupled to the locking hole 16 through the elastic member 15.

The fixing pin 22 is installed inside the case 14, and the first rotating pin 23 is rotatably installed on the upper portion of the fixing pin 22. The first rotary pin 23 is provided with a slide plate 27 having a cross section 'V'. A spring 25 is installed on the fixing pin 22 between the first rotating pin 23 and the upper inner surface of the case 14. A stopper 26 is installed at an outer side of the fixing pin 22 that is in contact with the lower end of the first rotating pin 23. In addition, a leaf spring 28 is installed inside the slide plate 27.

In addition, a second rotary pin 24 is rotatably installed at the lower portion of the fixing pin 22, and the second rotary pin 24 is also provided with a pulling plate 29 having a cross-section 'V' type.

Meanwhile, the protrusion 21 is formed to protrude inwardly of the sliding hole 20, and one end of the slide plate 27 and the pulling plate 29 rotates to push the protrusion 21 to slide the sliding hole 20. ) To allow sliding.

In addition, in order not to be pushed when the slide plate 27 is lifted to the top, the prevention device 30 is installed in the case (14).

Next, the push member 40 having a conventional key groove 43 formed therein penetrates from one side of the case 14, and the protrusion 42 is formed on the outer circumferential surface of the push member 40 so as not to be pulled out of the case 14. It is formed to be able to move only in the groove formed on the inner circumferential surface of the case 14, the push rod 41 is attached to the front end portion to push the slide plate (27).

The pull member 50 is installed through the other side of the case 14, but like the push member 40 to form a protrusion 52 so as to move only in the groove formed on the inner peripheral surface of the case 14 so as not to fall out And, the pull rod 51 is attached to the front end so that the pull plate 29 can be pulled. An end portion of the fixing button 53 protruding to the outside of the pull member 50 has a tapered shape, and a fixing rod 54 having two protrusions 55 is attached to the center portion thereof, and an elastic spring 56 is provided. ).

When the fixing button 53 is pressed, the protrusions 55 are fitted into grooves 58 formed in the fixing plate 57 fixed to the sliding hole 20, respectively, and serve to fix the fixing button 53. When pulled by the pull rod 51, it exits from the groove 58 and is restored to its original state by the restoring force of the elastic spring 56.

The parts exposed to the outside of the case 14 of the push member 40 and the pull member 50 do not need to be held and turned by hand unlike in the conventional rotary door opening and closing device, as well as a round shape, a square pillar, a triangular pillar, and the like. It is possible to manufacture in a variety of shapes, it is possible to prevent the unnecessary waste of space by making the exposed portion short.

Referring to the operating state of the device of the present invention configured as described above are as follows.

As shown in Fig. 1 and 2, in the usual case by the elastic force of the elastic member 15 is inserted into the insertion groove 13 of the door frame 12, the door 11 is closed In the state, if the door 11 is to be opened, the push member 40 is pushed or the pull member 50 is pulled.

When the push member 40 is pushed from the outside of the door 11, as shown in FIGS. 3 and 4, the slide plate 27 which is in contact with the push rod 41 formed at the front end of the push member 40 is moved. It rotates while being pushed and the protrusion 21 of the sliding tool 20 which is in contact with the sliding plate 27 is pushed to slide the sliding tool 20 toward the left side of the drawing, and the sliding tool 20 and The catch 16 coupled through the elastic means 15 is separated from the insertion groove 13. If the door is pushed continuously in this state, the door 11 is opened. At this time, if the force pushing the push member 40 is removed, the sliding sphere 20 is returned to its original state by the restoring force of the elastic means (15).

On the contrary, when the pull member 50 is pulled from the inside of the door 11, as shown in FIGS. 5 and 6, the pull plate 29 is pulled by the pull rod 51 formed at the front end of the pull member 50. Rotate and rotate, the protrusion 21 of the sliding sphere 20 in contact with the pull plate 29 is pushed, the sliding sphere 20 is slid in the left direction of the drawing, the door 11 is opened. Similarly, when the pulling force is removed, the sliding sphere 20 is returned to its original state by the restoring force of the elastic means 15.

At this time, in order to increase the return force of the sliding sphere 20, it is also possible to install another elastic means on the opposite side of the sliding sphere 20 is coupled to the elastic means (15).

Next, the locking means and the operating state of the door when using the apparatus of the present invention will be described with reference to Figs.

As shown in FIG. 7, both the slide plate 27 and the pull plate 29 are pushed or pulled by the push rod 41 and the pull rod 51 so that the door 11 can be opened and closed. have.

If the door is to be locked from the outside of the door 11, the key is inserted into the key groove 43 formed in the push member 40, and as shown in FIG. 8, the end of the key groove 43 is pushed. (27) is pushed upwards, whereby the sliding plate 27 abuts against the rolling prevention device 30 attached to the case 14, even if the push member 40 is pushed, the leaf spring (28) It moves only within the contraction limit of) and immediately returns to its original state by the restoring force of the leaf spring 28.

When the key groove 43 is returned to its original state in this state, the slide plate 27 is lowered to the position of the lower stopper 26 by the restoring force of the spring 25 to return to the state of FIG. 7.

In addition, when the fixing button 53 formed on the pull member 50 is pressed inside the door 11, as shown in FIG. 9, the pushing rod 54 connected to the fixing button 53 is pushed and the slide plate is pushed. At the same time, the door 11 is locked and the projection 55 formed in the fixing rod 54 is inserted into the groove 58 formed in the fixing plate 57 so that the fixing button 53 is fixed. do.

When the door 11 is to be opened in this state, as described above, the pull member 50 may be pulled or the key may be inserted into the key groove 43 from the outside to be turned, thereby forming a protrusion formed on the fixing rod 54. 55 exits the groove 58 and returns the fixed button 53 to its original position.

As a result of applying the apparatus of the present invention configured as described above to a conventional door, it was confirmed that the door can be opened and closed with much less force than the force of turning the handle in the rotary switch.

On the other hand, the push-pull type door opening and closing apparatus of the present invention is not limited to the configuration shown in the present embodiment and the drawings, and includes various configurations capable of sliding the sliding sphere by pushing and pulling.

As described in detail above, using the apparatus of the present invention, patients in situations where the handle of the door can not be turned, people carrying luggage, even children can easily open and close the door, turn the handle and return to the original state It is possible to prevent the noise generated by the maximum as possible to maintain a quiet atmosphere of the room.

Claims (2)

In the door opening and closing device that can open and close the door by inserting or detaching the locking hole in the insertion groove formed in the door frame, A case fixed to the groove formed in the door; Sliding installation is provided in the case slidably, the latching opening is connected to one end thereof through the elastic member, A push member penetrated from one side of the case so as to slide the release means formed in the sliding hole; Push pull type door opening and closing device characterized in that it comprises a pull member penetrated from the other side of the case so as to pull the sliding means formed in the sliding hole to slide. According to claim 1, The release means is a sliding plate and a pull plate rotatably installed on each of the fixing pins fixed to the case, and the inner side of the sliding sphere to be in contact with the sliding plate and the pull plate to slide by their rotation Consists of protrusions formed in An end of the push member is attached to the push rod so as to rotate the slide plate, Push-pull door opening and closing device is characterized in that the pull rod is attached to the end of the pull member to rotate by pulling the pull plate.