JPH11293994A - Fixing structure of door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing structure of a door substituted for a door stop in which a member installed on a floor hardly protrudes out of the floor face. SOLUTION: A door side member 10 having a magnet 13 at the bottom which protrudes or retracts against a floor F, and a floor side member 30 attracting the magnet 13 arranged on the floor F so as to correspond to the door side member 10, in the opened position of the door 1, are provided on the bottom of the door 1. The door 1 is fixed to the opened position by attracting the magnet 13 to the floor side member 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a door fixing mechanism as a substitute for a door stop. More specifically, the present invention relates to a door fixing mechanism as a substitute for a door stop in which members provided on the floor hardly protrude from the floor surface.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 14 and 15, a door stop a having a hook b is provided on a floor F or a wall W, and the hook b is provided at a lower portion or an upper portion of a door c. d, and the door c is fixed at the open position.

However, since the door stop a conventionally used is not flat, the door stop a protrudes from the floor F or the wall W, and there is a problem that it hinders cleaning and walking.

When a door stop a is provided on the floor F, for example, as shown in FIG. 15, the door stop a is located at a narrow place between the wall W and the door c, so that the door stop a is provided at the door stop a. There is also a problem that it is difficult to hook the hook b provided on the hook hook d provided on the door c, or it is difficult to break it.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has a feature in which a member provided on a floor hardly protrudes from a floor surface and a door is fixed as a substitute for a door stop. It aims to provide a mechanism.

[0006]

According to the present invention, there is provided a door fixing mechanism, comprising: a door side member having a magnet at a bottom provided at a bottom of the door so as to be able to advance and retreat with respect to a floor surface; A floor-side member made of a material capable of adsorbing the magnet disposed on the floor corresponding to the side member, and fixing the door to the open position by adsorbing the magnet to the floor-side member. Features.

[0007] In the door fixing mechanism of the present invention, it is preferable that a distance adjusting means for adjusting the distance of the magnet from the floor is provided, and the door is set to the open position by preventing the magnet from rising. It is also preferred that door locking means for locking be provided.

More specifically, the door fixing mechanism of the present invention includes a suction unit having a magnet at the bottom, an elevating shaft having a lower end joined to the upper surface of the attraction unit, and an insertion shaft through which the elevating shaft is inserted. A holding member having an upper member and a lower member having a portion, an intermediate member having an upper end joined to the upper member and a lower end joined to the lower member, and a lower end contacting the upper surface of the lower member. A flat plate made of a magnetic material, provided with a coil spring having a predetermined spring constant attached to the elevating shaft, which is in contact with and having an upper end in contact with a spring holding member provided at a predetermined position of the elevating shaft, at the lower end of the door; The shape member is provided on the floor so as to correspond to the position of the suction section in the open position of the door.

Further, the door fixing mechanism of the present invention provided with a distance adjusting means for adjusting the distance of the magnet from the floor is, specifically, an attraction portion having a magnet at the bottom and a lower end at the upper surface of the attraction portion. And an upper member and a lower member having an insertion portion through which the elevating shaft is inserted, and an intermediate member having an upper end joined to the upper member and a lower end joined to the lower member. And a predetermined spring constant attached to the elevating shaft whose lower end abuts on the upper surface of the lower member and whose upper end abuts a spring holding member provided at a predetermined position on the elevating shaft. A coil spring, a distance adjusting member having an abutting member that abuts on an upper end of the elevating shaft protruding from an upper member of the holding member, and an elevating means for elevating and lowering the distance adjusting member are provided at a lower portion of a front end of the door. From magnetic material That tabular member so as to correspond to the position of the suction unit in the open position of the door and characterized in that it comprises on the floor.

The door lock means may include, for example, an intermediate member of the holding member provided on a tip end side of the door with respect to the elevating shaft, and arranged in a flange shape along the outer periphery of the elevating shaft above the spring retainer. A receiving member provided, and a pressing member having one end mounted on the receiving member and the other end protruding from the intermediate member of the holding member to the tip end side of the door, wherein the pressing member is a member of the intermediate member. A vertical member having a deformable fitting portion suspended from the penetrating position, wherein the intermediate member is fitted with the fitting portion with an upper fitting hole, a lower fitting hole, and the upper fitting hole. A communication passage having a width smaller than a diameter of the fitting hole communicating with the hole and the lower fitting hole, wherein the pressing member is pressed down, whereby the connecting portion is deformed while the fitting portion is deformed; Moves to the lower fitting hole through the passage and fits into the lower fitting hole It is that the door of the lock is done by.

In the door fixing mechanism of the present invention,
The floor-side member may have a guide portion and a fixed portion, and a level of the fixed portion may be lower than a level of the guide portion.

[0012]

Since the door fixing mechanism of the present invention is configured as described above, when the door is opened and approaches the open position, the door-side member is attracted by the magnetism of the door-side member provided on the door. When it is pulled out of the door and reaches the open position, the magnet is attracted to the floor side member. Therefore, the door can be kept open without performing any special operation. Therefore, it functions as a door stop. In other words, it becomes a substitute for a door stop.

In a preferred embodiment of the present invention having a door locking means, the door can be locked at the open position.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on embodiments with reference to the accompanying drawings, but the present invention is not limited to only such embodiments.

First Embodiment FIGS. 1 to 5 show a door fixing mechanism according to a first embodiment of the present invention. The door fixing mechanism M according to the first embodiment is capable of moving back and forth to the bottom 1a of the front end 1a of the door 1. A door side member 10 provided in the
A holding mechanism 20 for holding the door side member 10 so as to be able to move forward and backward.
And a flat floor-side member 30 disposed on the floor F corresponding to the door-side member 10 at the open position of the door 1 as main components, and the door-side member 10 is held. The holding mechanism 20 is housed in a housing 2 provided below the tip 1 a of the door 1. In FIG. 1, reference numeral 3 denotes a lid member that covers the storage unit 2.

The door-side member 10 includes a column-shaped suction portion 11 for suctioning to the floor-side member 30 and an elevating shaft 12 having a lower end 12a joined to an upper surface 11a of the suction portion 11. The magnet 13 is buried in the center of the lower surface 11b.

The holding mechanism 20 includes a holding member 21 formed by shaping a strip into a handle, a coil spring 26, and a door lock 40.
An attachment part provided on the base end side of the door 1 of the storage part 2 provided below the front end 1 a of the door 1 with the intermediate member 22 corresponding to a handle grip part facing the front end 1 a of the door 1. 2a. Also, the mounting portion 2a of the holding member 21
In the upper member 23 and the lower member 24 which stand upright, through holes 23a and 24a through which the elevating shaft 12 passes are respectively formed.

The through hole 2 of the upper member 23 and the lower member 24
A coil spring 26 is mounted on the elevating shaft 12 mounted on the holding member 21 through the 3a, 24a as shown in the drawing, whereby the elevating shaft 12 is constantly urged upward. Therefore, the suction part 11 of the door side member 10 is stored in the storage part 2 when the door 1 is closed (see FIG. 1). When the door 1 is opened and the suction unit 11 reaches above the floor-side member 30, the spring constant of the coil spring 26
Is adjusted to be able to be adsorbed to the floor-side member 30. In FIG. 1, reference numerals 27 and 28 denote E-rings, the E-ring 27 functions as a spring retainer for pressing the coil spring 26, and the E-ring 28 functions as a receiving member for a horizontal member of a door lock 40 described later.

The door lock 40 locks the door 1 at the open position by pressing down the upper E-ring 28 mounted on the elevating shaft 12 to press the suction portion 11 against the floor-side member 30. The horizontal member 41 has a U-shaped notch 42 sandwiching the elevating shaft 12 at a wide end 41a of the horizontal member 41. The horizontal member 41 has a U-shape. Lifting shaft 12 in notch 42
And the narrow end portion 41 b is attached to the front end 1 a of the door 1. The narrow end portion 41 b protrudes from the upper portion of the vertically long window 3 a provided in the lid member 3 by a predetermined amount.
The lower end position of the vertically long window 3a is adjusted so that a horizontal member 41 described below can be pushed down.

A strip-shaped vertical member 43 having a fitting portion 44 is integrally hung from a lower surface of a portion of the horizontal member 41 penetrating the intermediate member 22 of the holding member 21.
Therefore, the intermediate member 22 can be provided with the vertical member 43 and the horizontal member 41 can be penetrated.
A notch 22a is provided corresponding to the cross section of the narrow portion 41c of the vertical member 43 and the horizontal member 41. That is, a through hole 22b through which the narrow portion 41c of the horizontal member 41 passes, a fitting hole (upper fitting hole) 22c, and a communication path (communicating between the through hole 22b and the upper fitting hole 22c) ( A notch 22a having an upper communication passage 22d is provided. The lower part of the notch 22a communicates with a fitting hole (lower fitting hole) 22f, and an upper fitting hole 22c and a lower fitting hole 22f so that the above-described operation of pushing down the horizontal member 41 can be performed. Communicating passage (lower communicating passage) 2
A notch 22e having 2 g is provided.

The narrow end 41b of the horizontal member 41
Is pushed down, the fitting portion 44 separates from the upper fitting hole 22c, moves to the lower fitting hole 22f, and moves to the lower fitting hole 22f.
Mates with Thereby, the horizontal member 41 is maintained in the lowered state, and the door 1 is locked. In this case, the narrow portion 41c of the horizontal member 41 needs to pass through the upper communication passage 22d. Therefore, the narrow portion 4 of the horizontal member 41
The portion penetrating the intermediate member 22 of FIG.
Notches 46 are provided on both sides so as to have the same width as 3.

As shown in FIG. 3, the fitting portion 44 is an arc-shaped piece 45 provided upward from both lower ends of the strip-shaped vertical member 43 along both sides. The arc-shaped piece 45 is made of a material having an appropriate elasticity.
The fitting portion 44 fits into the upper fitting hole 22c formed in the intermediate member 22 of the holding member 21 corresponding to the fitting portion 44.

The relationship between the fitting portion 44 and the upper fitting hole 22c and the lower fitting hole 22f will be described as follows.

First, when the narrow end 41b of the horizontal member 41 is pushed down, the vertical member 43 integrally formed therewith also moves downward. When the vertical member 43 moves downward, the fitting portion 44 also moves from the upper fitting hole 22c toward the lower communication passage 22g. Since the arc-shaped piece 45 forming the fitting portion 44 has an appropriate elasticity as described above, when the fitting portion 44 passes through the lower communication passage 22g, it is elastically deformed to be a vertical member. 43 closely. Therefore, the fitting portion 44 can reach the lower fitting hole 22f through the lower communication passage 22g without difficulty. Then, when the fitting portion 44 reaches the lower fitting hole 22f, the arc-shaped piece 45 constituting the fitting portion 44 elastically returns to the original shape and fits into the lower fitting hole 22f. Thereby, the horizontal member 41 is fixed at the lower position. Since the upward force of the coil spring 26 is acting on the horizontal member 41 in a state where the horizontal member 41 is fixed at the lower position, the arc-shaped piece 45 forming the fitting portion 44 exerts a force from the coil spring 26. Therefore, the fitting portion 44 has elasticity so that the fitting portion 44 does not return to the upper fitting hole 22c.

The floor-side member 30 is, for example, an iron plate of a predetermined size, which is located at a position corresponding to the suction portion 11 provided at the bottom of the tip 1a of the door 1 at the open position of the door 1 as shown in FIG. It is arranged in. In addition, this floor side member 3
The guide part 31 may be provided at 0 as shown in FIG.

Next, the operation of the door fixing mechanism M having such a configuration will be described in the case where the door 1 is opened.

(1) When the door 1 is opened and reaches the vicinity of the open position, the attraction portion 11 starts to be attracted to the floor member 30 by the attraction force of the magnet 13 provided at the attraction portion 11.

(2) If the door 1 is kept open, the suction part 11 will be sucked by the floor side member 30.

(3) The door 1 is kept open while the suction section 11 is suctioned by the floor side member 30, and the door 1 reaches the open position. That is, the door 1 reaches the open position while the suction unit 11 slides on the floor-side member 30.

(4) When the door 1 reaches the open position, the narrow end 41b protruding from the window 3a of the lid member 3 of the horizontal member 41 is pushed down to lock the door 1 at the open position.

Next, a case where the door 1 is closed will be described.

(1) The door 1 is unlocked by pushing up the narrow end 41b protruding from the window 3a of the lid member 3 of the horizontal member 41.

(2) When the door 1 starts to be closed, the suction section 11 moves toward the end of the floor-side member 30 while sliding on the floor-side member 30.

(3) If the door 1 is still closed in this state, the suction portion 11 slides down from the end of the floor member 30.

(4) When the suction portion 11 slides down from the end of the floor-side member 30, the suction force acting on the suction portion 11 is lost, and the suction portion 11 is moved upward by the biasing force of the coil spring and stored. It is stored in the section 2.

(5) The door 1 is kept closed even after the suction section 11 is stored in the storage section 2, and the door 1 is closed.

As described above, according to the first embodiment,
Since only the flat floor-side member 30 is provided on the floor F, there is nothing protruding from the floor F unlike the conventional door stop a. Therefore, there is no obstacle to cleaning or various operations. Therefore, as shown in FIG. 6, even if a storage such as a closet is provided at the open position of the door 1, it does not hinder access. Therefore, there is no restriction on the mounting position of the door 1. Also, projecting from the door 1 is the door side member 10.
Only when the door 1 is in the open position, it protrudes downward from the bottom surface of the door 1 so that it does not interfere with cleaning or the like, and may impair the appearance of the door 1. Absent. Further, since the door lock for maintaining the door 1 in the open state is performed only by pushing down the narrow end 41b of the horizontal member 41 protruding from the lid member 3 below the front end 1a of the door 1, workability is improved. Is significantly improved as compared with the prior art.

Second Embodiment A door fixing mechanism M according to a second embodiment of the present invention is shown in FIGS. 7 to 10. This second embodiment is a modification of the first embodiment. The distance from the floor F of the suction portion 11 of the door-side member 10 in the state of being stored in the storage device is adjustable. In addition,
Other configurations of the second embodiment are the same as those of the first embodiment.

Hereinafter, only the differences between the second embodiment and the first embodiment will be described.

In FIG. 7, reference numeral 50 denotes a distance adjusting mechanism. The distance adjusting mechanism 50 includes a distance adjusting member 51 and an elevating means 60 for raising and lowering the distance adjusting member 51 as main components.

The distance adjusting member 51 comprises a rectangular parallelepiped nut 52 and an L-shaped member 53 formed integrally from the lower end of the rear surface 52a of the nut 52 and having a width smaller than that of the nut 52. The bottom surface of the horizontal portion 54 of the L-shaped member 53 is in contact with the upper end 12b of the elevating shaft of the door-side member 10.

The elevating / lowering means 60 includes, as main components, an elevating shaft 61, a holding member 62 for rotatably holding the elevating shaft 61, and a guide member 66 for guiding the elevating and lowering of the distance adjusting member 51. Become.

The elevating shaft 61 has a male screw portion 61a having a predetermined length screwed with the nut body 52, an upper shaft portion 61b integrally formed from the upper end of the male screw portion 61a, and a male screw portion 61a. It comprises a lower shaft portion 61c formed integrally from the lower end, and a drive disk 61d formed integrally with the upper end of the upper shaft portion 61b. Here, the lower end of the lower shaft portion 61c is connected to the lower surface 52b of the nut body 52.
The dimensions of the L-shaped member 53 are adjusted so as to be located between the horizontal portion 54 and the L-shaped member 53. The driving disk 61
The peripheral edge of the lid member 2 on the side of the lid member 2 is projected from the window 3b provided on the lid member 3 by a predetermined amount in correspondence with the driving disk 61d so that the lifting shaft 61 can be rotated from the outside. ing.

The holding member 62 is made of a band plate, and is an intermediate member 22 of the holding member 21 in the first embodiment.
An upper intermediate member 63 integrally provided at a height corresponding to the upper shaft portion 61b from an upper end of the upper intermediate member 63, and provided at a predetermined size from an upper end of the upper intermediate member 63 toward a base end side of the door 1. The upper horizontal member 64 and a lower horizontal member 65 provided at a predetermined size from a position corresponding to the lower shaft portion 61 c of the upper intermediate member 63 toward the base end side of the door 1.
The upper horizontal member 64 is provided with a through hole 64a having a predetermined diameter where the upper shaft 61b penetrates, and the lower horizontal member 65 is provided with a predetermined hole for receiving the lower end of the lower shaft 61c. A bearing 65a having a diameter is provided. Thus, the elevating shaft 61 is rotatably held by the holding member 62.

The guide member 66 is, for example, a pair of round bars 67 having a predetermined diameter. Each of the guide members 66 is slidably mounted on one side of the nut body 52 and both ends thereof are projected from the nut body 52. , And its upper and lower ends, not shown in the figures, respectively,
And the lower horizontal member 65.

When the distance adjusting mechanism 50 is configured as described above, by rotating the driving disk 61d, the nut body 52 is raised or lowered according to the rotation direction of the driving disk 61d. When the nut body 52 descends, the L-shaped member 53 integrated therewith also descends. Since the bottom surface of the horizontal portion 54 of the L-shaped member 53 is in contact with the upper end 12b of the elevating shaft of the door-side member 10 as described above, when the L-shaped member 53 is lowered, the elevating shaft 12 is pushed down. Therefore, the distance between the adsorption unit 11 and the floor F is reduced. Therefore, the rotation direction of the driving disk 61d is set to a predetermined direction, and the distance between the suction unit 11 and the floor F can be set to a predetermined size by adjusting the driving amount, that is, the rotation amount.

As described above, in the second embodiment, the distance between the suction portion 11 and the floor F is adjustable, so that the gap between the bottom surface of the door 1 and the floor F is predetermined due to an installation error or the like. Even if the distance is larger than the size, the distance between the suction unit 11 and the floor F can be set to a predetermined size by the distance adjusting mechanism 50.

As described above, the present invention has been described based on the embodiments. However, the present invention is not limited to only such embodiments, and various modifications can be made. For example, in the embodiment, the floor-side member 30 is a flat plate, but the floor-side member 30 is not limited to a flat plate.
The form shown in FIG. In the configuration shown in FIG. 10, the fixed portion 32 is lower than the guide portion 31, and a step is provided between the guide portion 31 and the fixed portion 32. FIG. 12 shows a guide part 31 and a fixed part 32.
Is formed in a mountain shape. Further, as shown in FIG. 11, a shutter mechanism 34 is provided in the guide section 31 as shown in FIG. 13, and the guide section 31 is shut off by a shutter 34a as necessary so that the door 1 is not closed carelessly. You may. When the floor member 30 shown in FIG. 13 is used, the door lock 40 provided on the door 1 side may be omitted. Furthermore, although the material of the floor-side member 30 is iron in the embodiment, the material of the floor-side member 30 is not limited to iron, and may be various magnetic materials.

[0049]

As described in detail above, in the present invention, since the floor is provided with a flat floor-side member,
It hardly protrudes from the floor surface as compared with that provided on the floor of the conventional door stop. Therefore, even if the member of the door fixing mechanism of the present invention is provided on a door or floor as a conventional door stop, an excellent effect that it does not become an obstacle during cleaning or the like can be obtained. Also, only the door side member protrudes from the door side, and it protrudes downward from the bottom of the door only when the door is opened, so that it does not hinder walking and impairs the appearance of the door. An excellent effect of not being obtained is obtained. Furthermore, since the floor side member hardly protrudes from the floor surface, even if a sliding door type storage is provided at the door opening position, there is no trouble in the operation, so the restriction on the door mounting position is remarkably eased. The effect is also obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a door fixing mechanism according to a first embodiment of the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is a sectional view taken along line III-III of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is a sectional view taken along line VV of FIG. 1;

FIG. 6 is an explanatory diagram illustrating an example of a mounting position of a door according to the first embodiment of the present invention.

FIG. 7 is a side sectional view of a door fixing mechanism according to a second embodiment of the present invention.

FIG. 8 is a front view of the same.

9 is a sectional view taken along line VIII-VIII in FIG.

FIG. 10 is a sectional view taken along line IX-IX of FIG. 7;

FIG. 1011 shows another example of the floor side member,
(A) shows a plan view, and (b) shows a cross-sectional view.

FIG. 12 is a sectional view of still another example of the floor-side member.

FIGS. 13A and 13B show still another example of the floor-side member, wherein FIG. 13A shows a plan view and FIG. 13B shows a cross-sectional view.

FIG. 14 is a perspective view of a main part of a conventional door provided with a door stop.

FIG. 15 is an explanatory view showing that it is difficult to hook with a conventional door stop.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door 2 Storage part 3 Lid member 10 Door side member 11 Suction part 12 Elevating shaft 13 Magnet 20 Holding mechanism 21 Holding member 22 Intermediate member 23 Upper member 24 Lower member 26 Coil spring 30 Floor member 31 Guide part 32 Fixed part 40 Door Lock 41 Horizontal member 43 Vertical member 44 Fitting part 50 Distance adjusting mechanism 51 Distance adjusting member 60 Elevating means 61 Elevating shaft 62 Holding member 66 Guide member M Door fixing mechanism F Floor

Claims (7)

[Claims] 1. A door-side member having a magnet at a bottom portion provided at a bottom portion of a door so as to be able to advance and retreat with respect to a floor surface, and wherein the door-side member is disposed on a floor corresponding to the door-side member at a door open position. A door fixing mechanism, comprising: a floor-side member made of a material capable of adsorbing a magnet; and fixing the door to an open position by adsorbing the magnet to the floor-side member. 2. The door fixing mechanism according to claim 1, further comprising a distance adjusting means for adjusting a distance of the magnet from the floor. 3. The door fixing mechanism according to claim 1, further comprising door lock means for locking the door at an open position by preventing the magnet from rising. 4. An attraction part having a magnet at a bottom part, an elevating shaft having a lower end joined to an upper surface of the attraction part, an upper member and a lower member having an insertion part through which the elevating shaft is inserted, and an upper end. A holding member having an intermediate member joined to the upper member and a lower end joined to the lower member,
The lower end of the door is in contact with the upper surface of the lower member, and the upper end thereof is in contact with a spring holding member provided at a predetermined position of the elevating shaft. A door fixing mechanism, comprising: a flat member made of a magnetic material provided on a floor corresponding to a position of the suction unit at an open position of the door, provided at a lower portion. 5. An attraction unit having a magnet at the bottom, an elevating shaft having a lower end joined to an upper surface of the attraction unit, an upper member and a lower member having an insertion portion through which the elevating shaft is inserted, and an upper end A holding member having an intermediate member joined to the upper member and a lower end joined to the lower member,
A coil spring having a predetermined spring constant attached to the elevating shaft having a lower end abutting on an upper surface of the lower member and an upper end abutting on a spring holding member provided at a predetermined position on the elevating shaft; A distance adjusting member having a contact member that contacts an upper end of the holding member that protrudes from the upper member;
An elevating means for elevating and lowering the distance adjusting member is provided at a lower portion of the front end of the door, and a flat plate made of a magnetic material is provided on the floor corresponding to the position of the adsorbing portion in the open position of the door. Door fixing mechanism. 6. A receiving member, wherein an intermediate member of the holding member is provided on a tip end side of the door with respect to the elevating shaft, and a receiving member disposed in a flange shape along the outer periphery of the elevating shaft above the spring retainer; A holding member having one end mounted on the receiving member and the other end projecting from the intermediate member of the holding member toward the front end of the door, wherein the pressing member is hung from a penetrating position of the intermediate member. A vertical member having a deformable fitting portion, wherein the intermediate member has an upper fitting hole fitted with the fitting portion,
A lower fitting hole, a communication passage having a width smaller than a diameter of the fitting hole communicating with the upper fitting hole and the lower fitting hole, wherein the pressing member is pressed down, 6. The door is locked by moving to the lower fitting hole through the communication passage while the fitting portion is deforming and fitting with the lower fitting hole. Door fixing mechanism. 7. The floor-side member having a guide portion and a fixing portion, wherein the level of the fixing portion is lower than the level of the guide portion. Door fixing mechanism.