JP2007120045A - Lower bracing device of top-hinged swinging door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a guide device of a top-hinged swinging door, which reduces the sound of the collision of a guide pin with a guiding groove when the guide pin is protruded. <P>SOLUTION: When a top-hinged swinging door body 5 reaches an upper position of a floor-surface installation member 1 which is installed on a floor surface 2, a second tubular body 4b is attracted by a magnet 10; and the guide pins (4a and 4b) are protruded upward from inside the case 3, and automatically inserted into the guiding groove 61 of the guiding groove member 6 of the door body 5. The collision of the top surface of the guide pin with the bottom surface of the guiding groove in the protrusion of the guide pin is received by a protrusive streak 9, so that the sound of the collision between the guide pin 4 and the guiding groove 61 can be reduced. A locking member 8b for the second tubular body 4b gets over an upper part 45 of the first tubular body 4a, so as to be locked to the upper part 45 of the first tubular body 4a, and a locking member 8 for the case 3 gets over a lower part 43 of the first tubular body 4a, so as to be locked to the lower part 43 of the first tubular body 4a. This makes the first and second tubular bodies 4a and 4b held in a protruded state. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a suspension door lower swing device, and more particularly to a suspension door guide device that improves the quality of the suspension door by reducing a collision noise with a guide groove when a guide pin protrudes. Is.

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, the guide device for the above conventional suspension door makes a loud noise due to the collision between the surfaces because the upper surface of the guide pin strikes the bottom surface of the guide groove vigorously when the guide pin protrudes by magnetic force. There was a problem.
JP-A-11-71954

  The present invention has been made in view of the problems of the above-described conventional suspension door lower swing device, and improves the quality of the suspension door by reducing the impact sound with the guide groove when the guide pin protrudes. An object of the present invention is to provide a guide device for a hanging door.

  In order to achieve the above-described object, a suspension door lower swing apparatus according to the present invention includes a case installed on a floor surface, a floor surface installation member provided with a guide pin accommodated in the case so as to protrude upward, 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 door is protruded by a magnetic force acting between the guide groove member and the lower part of the suspension door In the apparatus, a magnet is disposed at an end of the guide groove member, and a protrusion for receiving the protruding guide pin is provided along the guide groove at a lower portion of the magnet.

  In this case, at least one of the guide pin and the case protrudes so as to be retractable while being urged by a spring, and an engaging member that holds the protruding state of the guide pin by engaging with a part of the counterpart member. At the same time, the end of the guide groove member and the ridge can be provided with an inclination to slide the guide pin against the locking member by slidingly contacting the protruding guide pin.

  According to the suspension door lower brace apparatus of the present invention, a floor surface installation member including a case installed on the floor surface and a guide pin accommodated in the case so as to protrude upward, and the floor surface installation member In the lower swinging device for a suspension door, the guide pin member of the suspension door body into which the projected guide pin is inserted, and the guide pin is projected by a magnetic force acting between the guide groove member and the guide A magnet is disposed at the end of the groove member, and a protrusion for receiving the protruding guide pin is provided along the guide groove at the lower portion of the magnet, so that the upper surface of the guide pin and the guide groove when the guide pin protrudes The collision between the bottom surface and the surface is prevented by the ridge, and the guide pin is received in line contact by the ridge, thereby reducing the collision sound with the guide groove of the guide pin and improving the quality of the suspension door. it can.

  In this case, at least one of the guide pin and the case is provided with a locking member that protrudes so as to be retractable while being biased by a spring and holds the protruding state of the guide pin by locking with a part of the counterpart member. At the same time, by providing the end of the guide groove member and the ridge with an inclination to slide the guide pin against the locking member by sliding contact with the protruding guide pin, While being held by the locking member, the protruding guide pin can be retracted by the inclination of the guide groove member and the protrusion at the end of the suspension door.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a lower swinging apparatus for a hanging door according to the present invention will be described with reference to the drawings.

1 to 7 show an embodiment of the lower swinging apparatus for a hanging door of 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.
As shown in FIG. 1, the lower swinging device of the suspension door has a magnet 10 disposed at an end of the guide groove member 6 and receives a protruding guide pin 4 at the lower portion of the magnet 10. Two protrusions 9 are provided along the guide groove 61.
Further, the lower swinging device of the hanging 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. Locking members 8a and 8b for holding the protruding state of the pin 4 are provided, and the guide pin 4 is locked by slidingly contacting the protruding guide pin 4 with the end of the guide groove member 6 and the above-described protrusion 9. An inclination is provided to retract against the members 8a and 8b.

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 the lower swinging apparatus of the hanging door of the present embodiment, when the case 3 is installed on the floor surface 2, as shown in FIG. 7, the outer member 11 formed of a material such as a 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. 4 is provided with an inclination to retract 4 against the locking members 8a and 8b.
Further, 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, and in this embodiment, the inclination is formed by the magnet 10. .

Two ridges 9 parallel to the guide groove 61 are provided at the lower part of the magnet 10 so as to protrude downward, and the tip of the ridge 9 is as shown in FIG. In addition, it is formed as thin as the tip of the blade.
The protrusion 9 is provided with a low inclination on the end portion side of the guide groove member 6, and when the guide pin 4 protrudes by a magnetic force, the guide pin 4 is received obliquely and with a thin line contact. This reduces the impact sound with the guide groove of the guide pin.
In this embodiment, the ridge 9 is made of a magnetic material, and the magnetic force of the magnet 10 is transmitted.
The guide groove 61 is formed wide at the end portion side where the protrusion 9 is provided to facilitate the suction of the guide pin 4 and is gradually formed in the middle of the transition to the center side, whereby the guide groove 61 is formed. The width of the door is narrowed so that the sliding door is guided with little shaking.

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. 2 (a) and 3, 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. 2 (b) and 4, the guide pin 4 (first cylinder 4a and 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, the upper surface of the guide pin and the surface of the bottom surface of the guide groove when the guide pin 4 protrudes are prevented from colliding with the protrusion 9, and the guide pin 4 is received by line contact with the protrusion 9. The impact sound with the four guide grooves 61 is reduced.
As shown in FIGS. 2B and 4, the locking member 8b of the second cylinder 4b gets over the upper part 45 of the first cylinder 4a and is locked to the upper part 45 of the first cylinder 4a. At the same time, the locking member 8 of the case 3 gets over the lower portion 43 of the first cylindrical body 4a and engages with the lower portion 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.
As a result, as shown in FIGS. 2B and 4, the guide pin 4 can be reliably held even in the central portion of the suspension door body 5 where the magnet 10 that attracts the guide pin 4 does not exist.

Then, as shown in FIGS. 2C and 5, when the suspension door body 5 further moves and comes to the end, the inclination formed in the guide groove member 6 is protruded from the first cylinder 4 a and the second tube 4. The first cylinder 4a and the second cylinder 4b are brought into sliding contact with the cylinder 4b and pressed down against the locking members 8a and 8b.
Thereby, as shown in FIGS. 2D and 6, the first cylinder 4 a and the second cylinder 4 b, that is, the guide pins 4 can be retracted into the case 3.

  Thus, the lower swinging device of the hanging door of the present embodiment includes a case 3 installed on the floor surface and a floor surface installation member 1 including a guide pin 4 accommodated in the case 3 so as to protrude upward, A guide groove member 6 of the suspension door body 5 into which the protruding guide pin 4 of the floor surface installation member 1 is inserted, and the guide pin 4 is protruded by a magnetic force acting between the guide groove member 6. In the lower swinging device of the suspension door, the magnet 10 is disposed at the end of the guide groove member 6, and the protrusion 9 that receives the protruding guide pin 4 is provided along the guide groove 61 at the lower portion of the magnet 10. Since the guide pins 4 protrude from the upper surface of the guide pins and the bottom surfaces of the guide grooves when the guide pins 4 protrude, the protrusions 9 prevent the guide pins 4 from colliding with each other, and the guide pins 4 are received by the protrusions 9 in line contact. With the guide groove 61 of the pin 4 Soaked to reduce sound, thereby improving the quality of the hanging door.

  In this case, the guide pin 4 protrudes into at least one of the guide pin 4 and the case 3 so as to be retractable while being biased by the springs 7a and 7b, and the guide pin 4 is in a protruding state by being locked to a part of the counterpart member. The holding members 8 a and 8 b to be held are provided, and the guide pin 4 is inclined against the locking members 8 a and 8 b by sliding in contact with the protruding guide pin 4 at the end of the guide groove member 6. By providing, the guide pin 4 that is in a protruding state by magnetic force is held by the locking members 8a and 8b, and the protruding guide pin 4 is retracted by the inclination of the guide groove member 6 at the end of the suspension door. it can.

  And the locking member which overcame the to-be-latched part is formed in the back of the to-be-latched part of the other party member, and the locking members 8a and 8b are slidably inserted in the protruding state. By eliminating the resistance between the members 8a and 8b and the counterpart member, the guide pin 4 is smoothly retracted and the locking members 8a and 8b are inserted using the grooves 44 and 46 as a guide. The elevator can be moved up and down smoothly.

  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, A suspension door that maintains the protruding state of the guide pin by forming the head of the guide pin into a large diameter and hooking the large-diameter head with flanges extending from both sides of the lower portion of the guide groove. The present invention can be changed as appropriate within a range not departing from the gist of the invention, such as being applicable to the lower anti-skid device.

  The lower swinging device for a hanging door of the present invention is widely used for lower swinging of a hanging door because it reduces the impact sound with the guide groove when the guide pin protrudes and improves the quality of the hanging door. be able to.

1 shows an embodiment of a lower swinging device for a hanging door according to the present invention, wherein (a) is a plan view of a guide groove member, (b) is a sectional front view thereof, (c) is a bottom view thereof, and (d) is a projection. A cross-sectional side view showing a contact state between the strip and the guide pin, (e) is a right side view of the guide groove member. The lower swinging apparatus of the suspension door of the same Example is shown, (a) is sectional drawing which shows the state in which a guide pin exists in the protrusion process, (b) is sectional drawing which shows the state in which the guide pin protruded, (c) is Sectional drawing which shows the state in which a guide pin is in the retreating process, (d) is sectional drawing which shows the state which the guide pin 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.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Floor installation member 2 Floor 3 Case 31 Gutter part 32 Retaining pin 33 Concavity and convexity (fitting structure)
34 Retaining groove 4 Guide pin 4a 1st cylinder 4b 2nd cylinder 41 Retaining pin 42 Notch 43 Lower 44 Groove 45 Upper 46 Groove 5 Hanging door body 6 Guide groove member 61 Guide groove 7a Spring 7b Spring 8a Engagement Stop member 8b Lock member 9 Projection 10 Magnet 11 Outer member

Claims (2)

  A floor surface installation member having a case installed on the floor surface and a guide pin housed in the case so as to protrude upward, and a guide groove of the suspension door body into which the projecting guide pin of the floor surface installation member is inserted A suspension door lower swinging device, wherein the guide pin is protruded by a magnetic force acting between the guide groove member, a magnet is disposed at an end of the guide groove member, A lower swinging device for a suspension door, characterized in that a protrusion that receives a protruding guide pin is provided along a guide groove at a lower portion of a magnet.   At least one of the guide pin and the case is provided with a locking member that protrudes so as to be retractable while being urged by a spring and holds the protruding state of the guide pin by being locked to a part of the counterpart member. 2. The lower part of a suspension door according to claim 1, wherein the end of the groove member and the ridge are provided with an inclination for sliding the guide pin against the locking member by slidingly contacting the protruding guide pin. Anti-rest device.

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