JP4809009B2 - Suspension lower swing device - Google Patents

Description

The present invention relates to a suspension door lower swinging device, and more particularly to a suspension door guide device that can reliably hold a guide pin and stably guide the suspension door.

Conventionally, as disclosed in Patent Document 1, a guide provided on a floor surface installation member installed on a floor surface so as to be able to protrude by a magnetic force with respect to a suspension door that is suspended on a ceiling rail via a runner. 2. Description of the Related Art There is known a suspension door lower swing device for guiding a suspension door by inserting a pin into a guide groove formed on a lower surface of the suspension door body. The suspension door lower brace includes a case disposed on the floor and a guide pin accommodated in the case so as to be able to protrude upward, and the state where the guide pin protrudes is maintained by magnetic force. I am trying to guide you.

However, since the conventional guide device for a hanging door maintains the protruding state of the guide pin by magnetic force, the guide pin is likely to be uncertainly held and the suspension door cannot be stably guided. It was. In addition, since the conventional guide device for the hanging door is provided with a magnet on the floor surface installation member side including the guide pin, the structure of the floor surface installation member becomes complicated and the manufacturing cost increases, and the floor surface installation member There was a problem that the iron magnet and the metal piece were attracted to the magnet provided on the side, causing a failure.
JP-A-11-71954

The present invention provides a guide device for a suspension door that can stably guide the suspension door while ensuring the holding of the guide pin in view of the problems of the above-described conventional suspension door lower swing device. Objective.

In order to achieve the above object, a suspension door lower brace according to the present invention includes a case installed on a floor, a first cylinder housed in the case so as to protrude upward, and an interior of the first cylinder body. A floor surface installation member provided with a guide pin formed in a two-stage nesting shape comprising a second cylindrical body slidably housed in the door, and a suspension door into which the protruding guide pin of the floor surface installation member is inserted and a guide groove member of the body with which, in the lower part Futome device door hanging and so as to protrude by a magnetic force acting between the guide groove member said guide pins, in the case, and the second cylindrical body, by a spring It protrudes so as to be able to retreat in a biased state, slides along a groove formed in the axial direction on the outer peripheral surface and the inner peripheral surface of the first cylinder, and the outer periphery of the first cylinder cut off the groove. the guide pin by locking the end face and the inner circumference of the end face of the upper portion of the lower as the locked portion Provided with a locking member for holding the state out, the end portion of the guide groove member, in that a sloping surface which makes room access against the guide pin to the locking member by sliding contact with the protruding guide pin Features.

In this case , the second cylinder can be made of a magnetic material, and a magnet that attracts the second cylinder can be disposed only on the end side of the suspension door body.

According to hanging doors lower Futome apparatus of the present invention, holds the locking member the guide pin and the protruding state by the magnetic force, the guide pins protruding state by the inclined surfaces of the hanging door guide groove members at the ends Can be retired.

Then, the case and the second cylindrical body project so as to be retractable while being urged by a spring, and slide along axially formed grooves on the outer peripheral surface and the inner peripheral surface of the first cylindrical body, the Rukoto provided a locking member for holding the protruding state of the guide pin by engaging the end face of the lower end face and the inner peripheral upper portion of the outer periphery of the first cylindrical body which has cut Application groove as engaged portion The resistance between the locking member and the mating member over the locked portion is eliminated, the guide pin is smoothly retracted, and the locking member is inserted using the groove as a guide. Elevating and lowering can be performed smoothly.

In addition, the second cylinder is made of a magnetic material, and a magnet that attracts the second cylinder is disposed only on the end of the suspension door body, so that the magnet on the floor surface installation member side including the guide pins is provided. It is possible to reduce the manufacturing cost by simplifying the structure of the floor surface installation member, and to prevent the iron powder and metal pieces causing the failure from being adsorbed on the floor surface installation member side.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a suspension door lower swing apparatus according to the present invention will be described below with reference to the drawings.

FIG. 1 to FIG. 6 show an embodiment of the lower swinging apparatus for a hanging door according to the present invention. The suspension door lower brace includes a case 3 installed on the floor 2 and a floor installation member 1 including a guide pin 4 accommodated in the case 3 so as to protrude upward, and the floor installation member. And a guide groove member 6 of the suspension door body 5 into which one protruding guide pin 4 is inserted, and the guide pin 4 is protruded by a magnetic force acting between the guide groove member 6. Then, the lower swinging device of the suspension door projects into the guide pin 4 and the case 3 so as to be retractable while being biased by the springs 7a and 7b, and is locked to a part of the counterpart member. The locking members 8a and 8b for holding the protruding state of the pin 4 are provided, and the guide pin 4 is opposed to the locking members 8a and 8b by slidingly contacting the protruding guide pin 4 at the end of the guide groove member 6. An inclined surface 9 for retreating is provided.

The case 3 is formed of a cylindrical body provided with a flange portion 31, and is a locking member 8a that holds the protruding state of the first cylindrical body 4a by engaging with a lower portion of the first cylindrical body 4a of a guide pin 4 described later. It has. The locking member 8a is made of a ball urged by a spring 7a, and is normally in a state in which a part protrudes radially inward, and is pushed and retracted when the lower portion of the first cylinder 4a passes. . In the present embodiment, the locking member 8a is inserted into the case 3 together with the spring 7a, and the stopper member 35 is disposed on the back surface of the spring 7a, so that the case 3 is sealed in the retaining state. ing. Further, the case 3 is designed to achieve a lower limit positioning when the first cylinder 4a is retracted by the retaining pin 32, and to achieve an upper limit positioning when the first cylinder 4a is projected by the engagement means (not shown). I have to.

The guide pin 4 includes a first cylinder 4a slidably accommodated in the case 3 and a second cylinder 4b slidably accommodated in the first cylinder 4a. The first cylinder 4a and the second cylinder 4b are formed in a two-stage nesting shape. The first cylinder 4a is positioned by the retaining pin 41 at the lower limit when the second cylinder 4b is retracted, and the upper cylinder when the second cylinder 4b is projected by the engagement means (not shown). I try to figure it out. Thereby, when the 1st cylinder 4a is pulled up with the magnet 10, the 2nd cylinder 4b will be subsequently pulled up via the 1st cylinder 4a by the said engagement means.

The first cylinder 4a is formed of a cylindrical body, has a notch 42 on the side of the locking member 8 through which the retaining pin 32 of the case 3 is inserted, and a shallow lower portion 43 of the outer periphery is locked to the locking member 8. A groove 44 is formed in the axial direction on the rear side of the locked portion so that the locking member 8 is slidably inserted in a protruding state. Moreover, the upper part 45 of the inner periphery of the first cylinder 4a is a locked portion of a locking member 8b of the second cylinder 4b described later, and behind this locked portion is a locking member. A groove 46 is formed in the axial direction so as to be slidable in the protruding state 8b. Thus, by forming the grooves 44 and 46 into which the locking members 8a and 8b are inserted in a protruding state behind the locked portion, the locking members 8a and 8b and the first tube that have passed over the locked portion. The resistance between the body 4a and the second cylinder 4b is eliminated, the first cylinder 4a and the second cylinder 4b are smoothly retracted, and the locking members 8a and 8b are provided with the grooves 44 and 46 as guides. By inserting, the 1st cylinder 4a and the 2nd cylinder 4b can be raised / lowered smoothly.

The second cylinder 4b is formed of a covered cylinder, and includes a locking member 8b that holds the protruding state of the second cylinder 4b by being locked to the upper portion 45 of the first cylinder 4a. The locking member 8b is made of a ball urged by a spring 7b, and is normally in a state in which a part protrudes radially outward, and is pushed and retracted when passing through the upper part 45 of the first cylindrical body 4a. To do. The second cylinder 4 b is made of a magnetic material such as iron and is attracted to the magnet 10 disposed at the end of the guide groove member 6. In this embodiment, the locking member 8b is inserted into the separately formed second cylinder 4b together with the spring 7b, and the separately formed second cylinder 4b is integrated with the screw 47 so that the second cylinder 4b is integrated. The body 4b is sealed in a retaining state.

On the other hand, in the lower swinging device of the hanging door of this embodiment, the guide pin 4 is arranged eccentrically with respect to the case 3, so that when the case 3 is installed on the floor surface 2, By rotating 3, the position of the guide pin 4 with respect to the guide groove 61 of the suspension door body 5 can be adjusted. In this case, the case 3 and the guide pin 4 can be disposed so as to be concentric.

Furthermore, in installing the case 3 on the floor surface 2 in the lower swinging apparatus for the hanging door of this embodiment, as shown in FIG. 6, the outer member 11 formed of a material such as synthetic resin is used as the case 3. And installed on the floor surface 2. The outer member 11 is formed with a retaining protrusion (not shown) that fits into a retaining groove 34 formed on the outer peripheral surface of the case 3. Thereby, even after the case 3 is once installed on the floor surface 2, the case 3 can be rotated in the outer member 11, and the installation state of the case 3 is not loosened. The position adjustment with respect to the guide groove 61 can be easily and repeatedly performed. Further, the bottom surface of the case 3 and the inner bottom surface of the outer member 11 are formed with the concave and convex portions 33 having a fitting structure that allows the case 3 and the outer member 11 to be fitted at an arbitrary rotational position. The positional relationship with the member 11 can be accurately maintained.

On the other hand, the suspension door body 5 is suspended from a ceiling rail via a runner (not shown) so that it can run freely, and a guide groove member 6 is disposed on the lower surface thereof. The guide groove member 6 is formed with a guide groove 61 into which the guide pin 4 of the floor surface installation member 1 is inserted, and the guide groove member 6 is slidably contacted with the protruding guide pin 4 at the end portion of the guide groove member 6. An inclined surface 9 is provided to retract 4 against the locking members 8a and 8b. The guide groove member 6 is provided with a magnet 10 that attracts the guide pin 4 only on the end side of the suspension door body 5. In this embodiment, the inclined surface 9 is formed by the magnet 10. ing.

Next, operation | movement of the lower swinging apparatus of this hanging door is demonstrated. When the suspension door body 5 comes to a position above the floor surface installation member 1 installed on the floor surface 2, the suspension door lower swing device as shown in FIGS. The second cylinder 4b is attracted by the magnet 10 disposed on the end side of the main body 5, and as shown in FIGS. 1B and 3, the guide pins 4 (the first cylinder 4a and the second cylinder 4b). ) Protrudes upward from the inside of the case 3 and is automatically inserted into the guide groove 61 of the guide groove member 6 of the suspension door body 5. At this time, as shown in FIGS. 1B and 3, the locking member 8 b of the second cylinder 4 b gets over the upper part 45 of the first cylinder 4 a and engages with the upper part 45 of the first cylinder 4 a. At the same time, the locking member 8 of the case 3 gets over the lower part 43 of the first cylindrical body 4a and engages with the lower part 43 of the first cylindrical body 4a, whereby the first cylindrical body 4a and the second cylindrical body 4b is held in a protruding state. Thereby, as shown in FIG.1 (b) and FIG. 3, the guide pin 4 can be reliably hold | maintained also in the center part of the suspension door main body 5 in which the magnet 10 which adsorb | sucks the guide pin 4 does not exist.

And as shown in FIG.1 (c) and FIG. 4, when the suspension door main body 5 moves further and comes to an edge part, the inclined surface 9 formed in the guide groove member 6 will protrude the 1st cylinder 4a and The first cylinder 4a and the second cylinder 4b are slidably contacted with the second cylinder 4b and pressed down against the locking members 8a and 8b. Thereby, as shown in FIG.1 (d) and FIG.5, the 1st cylinder 4a and the 2nd cylinder 4b, ie, the guide pin 4, can be retracted in the case 3. FIG.

Thus, according to the lower swinging device of the hanging door of the present embodiment, the guide pin 4 and the case 3 protrude so that they can be retracted while being urged by the springs 7a and 7b. Locking members 8a and 8b are provided to hold the protruding state of the guide pin 4 by being locked to the portion, and at the end of the guide groove member 6, the guide pin 4 is engaged by slidingly contacting the protruding guide pin 4. Since the inclined surface 9 that is retracted against the stop members 8a and 8b is provided, the guide pin 4 that is projected by the magnetic force is held by the locking members 8a and 8b, and the guide groove member is provided at the end of the suspension door. The protruding guide pin 4 can be retracted by the inclined surface 9.

In this case, by forming grooves 44, 46 through which the locking members 8a, 8b are slidably inserted in a protruding state behind the locked portion of the counterpart member, the locking over the locked portion is achieved. The resistance between the members 8a, 8b and the counterpart member is eliminated, the guide pin 4 is smoothly retracted, and the locking members 8a, 8b are inserted using the grooves 44, 46 as a guide, whereby the guide pin 4 Can be smoothly moved up and down.

Further, at least a part of the guide pin 4 is made of a magnetic material, and the magnet 10 for attracting the guide pin 4 is disposed only on the end side of the suspension door body 5, whereby the guide pin 4 is There is no need to provide a magnet on the floor surface installation member 1 side, and the structure of the floor surface installation member 1 is simplified to reduce manufacturing costs. It is possible to prevent the pieces from being adsorbed.

In addition, by forming the guide pin 4 with multiple stages of nested cylindrical bodies 4a, 4b, the case 3 can be formed short while securing the stroke and rigidity required for the guide pin 4, It can be installed even in shallow buried holes that fit within the thickness range of the floor material, and the floor surface installation member 1 of the lower swing device of the suspension door can be easily installed on the floor surface of the building where the floor slab becomes an obstacle can do.

As described above, the lower swinging device for a hanging door according to the present invention has been described based on the embodiment thereof, but the lower swinging device for a hanging door according to the present invention is not limited to the configuration of the above embodiment, for example, The guide pin is formed in a three-stage or more nesting shape, or is formed in one tier without nesting, or two or more locking members that hold the protruding state of the guide pin are disposed on one guide pin. It is possible to make appropriate changes within a range that does not depart from the spirit of the invention. In addition, the suspension door lower bracing device of each of the above embodiments can be formed of an arbitrary material such as a metal in addition to a synthetic resin for a member whose material is not particularly limited.

The suspension door lower brace according to the present invention can stably guide the suspension door while ensuring the holding of the guide pin, so that the floor slab or the like becomes an obstacle in a reinforced concrete building or the like to form a deep embedded hole. It can be widely used for the purpose of swinging the lower part of the hanging door, including the case where it is difficult.

1 shows an embodiment of the lower swinging device for a hanging door according to the present invention, (a) is a cross-sectional view showing a state in which the guide pin is in a protruding process, (b) is a cross-sectional view showing a state in which the guide pin protrudes (c) is a cross-sectional view showing a state in which the guide pin is in the retracting process, and (d) is a cross-sectional view showing a state in which the guide pin is retracted. It is sectional drawing which shows the state in which the guide pin of the lower swinging apparatus of the suspension door exists in the protrusion process. It is sectional drawing which shows the state which the guide pin of the lower swinging apparatus of the suspension door protruded. It is sectional drawing which shows the state in which the guide pin of the lower swinging apparatus of the suspension door exists in the retreating process. It is sectional drawing which shows the state which the guide pin of the lower swinging apparatus of the suspension door retracted. It is sectional drawing of the direction orthogonal to the suspension door of the lower swinging apparatus of the suspension door.

DESCRIPTION OF SYMBOLS 1 Floor surface installation member 2 Floor 3 Case 31 ridge part 32 Retaining pin 33 Unevenness (fitting structure) 34 Retaining groove 4 Guide pin 4a 1st cylinder 4b 2nd cylinder 41 Retaining pin 42 Notch 43 Lower part 44 groove 45 upper part 46 groove 5 suspension door body 6 guide groove member 61 guide groove 7a spring 7b spring 8a locking member 8b locking member 9 inclined surface 10 magnet 11 outer member

Claims (2)

A two-stage nesting structure comprising a case installed on the floor, a first cylinder housed in the case so as to protrude upward, and a second cylinder housed slidably in the first cylinder body And a guide groove member of the suspension door body into which the protruding guide pin of the floor surface installation member is inserted, and the guide pin is interposed between the guide groove member and the guide groove member. in the lower Futome device door hanging and so as to protrude by a magnetic force acting, the case and the second cylindrical body, entrant protrudes retreat while being biased by a spring, the outer peripheral surface of the first cylindrical body and Sliding along the groove formed in the axial direction on the inner peripheral surface, the lower end surface of the outer periphery of the first cylinder and the upper end surface of the inner periphery which are interrupted by the groove are locked as locked portions. provided with a locking member for holding the protruding state of the guide pin by the guide groove Of the end portion, protruding guide pin lower Futome device hanging door, characterized in that a sloping surface which makes room access against the guide pin to the locking member by sliding contact with the. 2. The lower brace of a suspension door according to claim 1, wherein the second cylinder is made of a magnetic material, and a magnet for adsorbing the second cylinder is disposed only on the end side of the suspension door body. apparatus.

Images