Door opening limiting device and separation device having the door opening limiting device

Abstract

To provide a door opening limiting device capable of limiting the opening / closing angle of a door part and preventing the collision of the door even when a worker forgets to close the door part.SOLUTION: The door opening limiting device limits the opening angle of the door part by coming into contact with the door part when the door part is opened.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a door opening limiting device that limits the opening angle of a door, and a partition device that has the door opening limiting device and is used as a partition wall to be placed in a common area of ​​a building.

[0002] In buildings, particularly in apartment complexes and other housing complexes, as well as in stores and office buildings, partition walls are installed in common areas such as verandas and balconies to ensure the independence and safety of the occupant sections. These common areas normally ensure independence, but in emergencies such as fires, they allow evacuation by destroying the partition wall and passing through the common area. For example, in buildings such as apartment complexes, partition walls are installed at the boundaries between verandas and balconies that face adjacent rooms.

[0003] On the other hand, in repair work on buildings, particularly apartment complexes, shops, and office buildings, the usual approach is to first destroy a portion of the partition wall and then repair it after the work is complete, or to temporarily remove the partition wall to allow free passage through the common areas. However, allowing free passage means that the residents of the building cannot maintain their independence during the repair work. Furthermore, if repair work is carried out without removing the floor plate used as the partition wall to ensure the residents' independence, workers must navigate around the floor plate using scaffolding set up outside the building, which not only fails to ensure the safety of workers during the repair work but also reduces work efficiency.

[0004] Therefore, in Patent Application No. 2023-015599, the applicant has provided a partition device that ensures the independence of residents under normal circumstances, even when used during or after repair work, but can be easily destroyed in an emergency.

[0005] The partition device has an upright pillar portion, a destructible partition portion, and a connecting portion that attaches the pillar portion and the partition portion so that they can be opened and closed.The connecting portion has a first connecting member that is attached to the pillar portion and the partition portion and is arranged perpendicular to the partition portion in a cross-sectional view, a second connecting member that is connected to the first connecting member and is arranged parallel to the partition portion in a cross-sectional view, and a third connecting member that is connected to the second connecting member and is arranged perpendicular to the partition portion in a cross-sectional view.

[0006] The above-mentioned partition device achieves the above-mentioned purpose, but if the worker forgets to close the above-mentioned partition portion which serves as a door after completing the work, the partition portion may collide with a wall or the like, causing noise.

[0007] The noise can be detrimental to the living environment, so workers are instructed not to forget to close the partition wall as a door, but it is not possible to completely prevent forgetting to close it. [Prior art documents] [Patent documents]

[0008] Patent application No. 2023-015599 Summary of the Invention [Problem to be solved by the invention]

[0009] The present invention was made in consideration of the above-mentioned situation, and its object is to provide a door opening limiting device that can limit the angle at which the door opens and closes, thereby preventing the door from colliding with another door, even if the worker forgets to close the door. [Means for solving the problem]

[0010] In order to solve the above problem, the door opening limiting device of the first aspect limits the opening angle of the door portion by contacting the door portion when it is opened.

[0011] In addition, the door opening limiting device of the second aspect is attached to a pillar to limit the opening angle of a door section that is attached to an upright pillar and can be opened and closed, and when the door section is opened, it comes into contact with the door section to limit the angle.

[0012] In addition, the door opening limiting device of the third aspect has an attachment part that is attached to the pillar part to limit the opening angle of the door part that is attached to the erected pillar part and can be opened and closed, and a door contact part that comes into contact with the door part when the door part is opened to limit the opening angle.

[0013] In addition, the door opening limiting device of the fourth aspect has an attachment part that is attached to the pillar part to limit the opening angle of the door part that is attached to the erected pillar part so as to be able to open and close, a door contact part that comes into contact with the door part when the door part is opened to limit the opening angle, and an intermediate connecting part that connects the attachment part and the door contact part.

[0014] In addition, the door opening limiting device of the fifth aspect is such that, in the first to fourth aspects, the door contact portion is positioned at an angle of 45 to 70 degrees relative to the closed door portion in a plan view in order to limit the open angle of the door portion to an angle of 45 to 70 degrees.

[0015] In addition, a partition device according to a sixth aspect includes a pillar portion that is erected, a destructible door portion, and a connecting portion that connects the pillar portion and the door portion so that the pillar portion and the door portion can be opened and closed, the connecting portion being attached to the pillar portion and the door portion, and a first connecting member that is disposed at a right angle to the door portion in a cross-sectional view; The door opening limiting device has a second connecting member that is connected to the first connecting member and is positioned parallel to the door section in a cross-sectional view, and a third connecting member that is connected to the second connecting member and is positioned perpendicular to the door section in a cross-sectional view, and is attached to the pillar section to limit the opening angle of the door section by coming into contact with the door section when it is opened.

[0016] In addition, a seventh aspect of the present invention provides a partition device including a pillar portion that is erected, a destructible door portion, and a connecting portion that connects the pillar portion and the door portion so that the pillar portion and the door portion can be opened and closed, the connecting portion being attached to the pillar portion and the door portion, and a first connecting member that is disposed at a right angle to the door portion in a cross-sectional view; The door opening limiting device has a second connecting member that is connected to the first connecting member and is arranged parallel to the door section in a cross-sectional view, and a third connecting member that is connected to the second connecting member and is arranged perpendicular to the door section in a cross-sectional view, and a door contact portion that is attached to the pillar portion and comes into contact with the door section when it is opened to limit the opening angle of the door section.

[0017] In addition, the separation device of the eighth aspect has an upright pillar portion, a destructible door portion, and a connecting portion that attaches the pillar portion and the door portion so that they can be opened and closed, and the connecting portion has a first connecting member that is attached to the pillar portion and the door portion and is arranged perpendicular to the door portion in a cross-sectional view, a second connecting member that is connected to the first connecting member and is arranged parallel to the door portion in a cross-sectional view, and a third connecting member that is connected to the second connecting member and is arranged perpendicular to the door portion in a cross-sectional view, and a door opening limiting device that has a door contact portion that is attached to the pillar portion and comes into contact with the door portion when it is opened to limit the opening angle of the door portion, and an intermediate connecting portion that connects the mounting portion and the door contact portion.

[0018] In addition, the separation device of the ninth aspect is such that, in the sixth to eighth aspects, the door opening limiting device limits the open angle of the door section to an angle of 45 to 70 degrees, so that the door contact portion is positioned at an angle of 45 to 70 degrees relative to the closed door section in a plan view.

[0019] In addition, the separation device of the tenth aspect is the same as in the sixth to eighth aspects, in that the door opening limiting device is configured so that the door contact portion is positioned at an angle of 45 to 70 degrees relative to the closed door portion in a plan view in order to limit the open angle of the door portion to an angle of 45 to 70 degrees, and also has a door catch device that can temporarily fix the closed door portion when the door portion is closed. [Effects of the Invention]

[0020] Because the present invention is configured and operates as described above, it is possible to provide a door opening limiting device that can limit the angle at which the door opens and closes, thereby preventing the door from colliding with another door, even if the worker forgets to close the door. [Brief explanation of the drawings]

[0021] [Figure 1] 1 is a front view of a separation device to which a door opening / closing limiting device of a first embodiment or a door opening / closing limiting device of a second embodiment is attached. FIG. [Figure 2] 1 is a front view of a door opening / closing restricting device according to a first embodiment. FIG. [Figure 3] 1A is a cross-sectional view taken along the line III-III in FIG. 1, in which the door opening / closing restricting device of the first embodiment is attached, and FIG. [Figure 4] FIG. 10 is a front view of a door opening / closing restricting device according to a second embodiment. [Figure 5] 1A is a cross-sectional view taken along the line III-III in FIG. 1, in which a door opening / closing restricting device according to a second embodiment is attached, and FIG. [Figure 6] FIG. 2 is a cross-sectional view taken along line VI-VI in FIG. [Figure 7] FIG. 7 is a vertical cross-sectional view taken along line VII-VII in FIG. [Figure 8] FIG. 2 is an enlarged front view of the connecting portion of FIG. [Figure 9] 9 is an enlarged cross-sectional view of part IX in FIG. [Figure 10] 1. FIG. 4 is an enlarged front view of another connecting portion of FIG. [Figure 11] FIG. 2 is a cross-sectional view taken along line XI-XI in FIG. [Figure 12] 1A is a front view of the magnet part and the fixing member in the fixing part, B is a side view of the magnet part and the fixing member in the fixing part, and C is a plan view of the magnet part and the fixing member in the fixing part. [Figure 13] 1A is a front view of the suction part of the fixed part, and FIG. 1B is a plan view of the suction part of the fixed part. [Figure 14] FIG. 7 is an enlarged cross-sectional view of a portion XIIII of FIG. 6. BEST MODE FOR CARRYING OUT THE INVENTION

[0022] A first embodiment of the door opening / closing limiting device 100 will be described below with reference to the illustrated embodiment. The door opening / closing limiting device 100 of the first embodiment can be attached to a separating device 10, which will be described later, and can prevent collisions of the door section 40 by restricting the opening and closing angle of the door section 40. The door opening / closing limiting device 100 has an attachment section 120 that is attached to the pillar section 20, an intermediate connecting section 130, and a door contact section 140 that contacts the door section 40 to restrict the opening and closing of the door section 40. The door opening / closing limiting device 100 of the first embodiment restricts the opening and closing of the door section 40 as a door, and can then close the door section 40 by its elastic force.

[0023] The above-mentioned mounting portion 120 is literally for mounting to the pillar portion 20, and has four screw holes 121 for mounting screws. The intermediate connecting portion 130 connects the mounting portion 120 and the door contact portion 140. The intermediate connecting portion 130 has a first intermediate connecting portion 131 and a second intermediate connecting portion 132, and the first intermediate connecting portion 131 is preferably bent at 90 degrees relative to the mounting portion 120 in plan view so as to avoid the bolt 160 attached to the pillar portion 20. Furthermore, the second intermediate connecting portion 132 is preferably bent at 90 degrees relative to the first intermediate connecting portion 131 in plan view so as to avoid the door portion 40, and is preferably arranged parallel to the mounting portion 120.

[0024] In order to restrict the opening and closing of the door unit 40, the door contact portion 140 is preferably arranged at an angle of 45 degrees in a plan view relative to the door unit 40 in a closed state, with the closed state of the door unit 40 being taken as 0 degrees. In this embodiment, when the first intermediate connecting portion 131 is bent at 90 degrees relative to the mounting portion 120 in a plan view so as to avoid the bolt 160 attached to the pillar portion 40, it is preferable that the second intermediate connecting portion 132 is arranged at an angle of 90 degrees relative to the first intermediate connecting portion 131, and the door contact portion 140 is arranged at an angle of 135 degrees relative to the second intermediate connecting portion 132.

[0025] The door opening / closing limiting device 100 of the first embodiment is preferably made of a plate-shaped stainless steel material, and the mounting portion 120, the intermediate connecting portion 130, and the door contact portion 140 are preferably integrally formed. The door opening / closing limiting device 100 can also be made integrally from resin.

[0026] The door opening / closing limiting device 100 of the first embodiment has elasticity and can be constructed as an integrated unit as described above. When the door section 40 comes into contact with the door contact section 140, the elasticity of the door opening / closing limiting device 100 urges the door section 40 in the closing direction, so that the door section 40 can be closed automatically. The door opening / closing limiting device 100 of this embodiment is preferably made of a stainless steel material with a plate thickness of 3 millimeters. Steel or carbon is also preferable.

[0027] The door opening / closing limiting device 102 of the second embodiment can be attached to the separation device 10 described below, and can prevent collisions of the door by restricting the opening and closing of the door section 40 as a door. The door opening / closing limiting device 102 of the second embodiment can be attached to the separation device 10 described below, and can prevent collisions of the door section 40 by restricting the opening and closing of the door section 40 as a door. The door opening / closing limiting device 102 of the second embodiment has an attachment section 120 and an intermediate connecting section 130 that are attached to the pillar section 20, and a second door contact section 142 that comes into contact with the door section 40 to restrict the opening and closing of the door section 40.

[0028] Here, the difference between the door opening / closing limiting device 100 of the first embodiment and the door opening / closing limiting device 102 of the second embodiment is that, in order to limit the opening and closing of the door unit 40, the second door contact portion 142 is preferably arranged at an angle of 60 degrees in a plan view relative to the door unit 40 in a closed state, with the closed state of the door unit 40 being 0 degrees. In the second embodiment, when the first intermediate connecting portion 131 is bent 90 degrees relative to the mounting portion 120 in a plan view so as to avoid the bolt 160 attached to the pillar portion 40, the second intermediate connecting portion 132 is preferably arranged at an angle of 90 degrees relative to the first intermediate connecting portion 131, and the door contact portion 142 is preferably arranged at an angle of 150 degrees relative to the second intermediate connecting portion 132. Note that in the door opening / closing limiting device 102 of the second embodiment, components similar to those of the door opening / closing limiting device 100 of the first embodiment are designated by the same reference numerals, and their description may be omitted.

[0029] In this way, in the door opening / closing limiting device 100 of the first embodiment and the door opening / closing limiting device 102 of the second embodiment, it is preferable to arrange the door contact parts 140, 142 at an angle of 45 degrees to 70 degrees in a plan view relative to the door part 40 in the closed state, assuming that the closed state of the door part 40 is 0 degrees. Furthermore, it is even more preferable to arrange the door contact parts 140, 142 at an angle of 45 degrees to 60 degrees.

[0030] Next, we will explain the partition device 10 to which the door opening / closing restriction device 100 of the first embodiment or the door opening / closing restriction device 102 of the second embodiment is attached. The partition device 10 is attached, for example, to a partition wall 200 arranged in a building 300, and is attached to the partition wall 200 so that it can be opened and closed. When opened, it can allow workers to pass through even when used during repair work. When closed under normal circumstances, it can ensure the independence of residents by not allowing passage. Here, the partition wall 200 consists of a destructible door section. When closed, it can also be passed through in the event of a disaster by destroying the plate section 41 of the door section 40, which will be described later.

[0031] The partition device 10 also has a pillar portion 20 that stands upright and serves as a pillar, a destructible door portion 40, and a connecting portion 80 that is attached to them so that it can be opened and closed.

[0032] The pillar portion 20 that is erected as a pillar literally serves as a pillar of the partition device 10, and is arranged in an upright position, for example, in a common area such as a balcony 500. It is preferable that the pillar portion 20 is fixed to a pillar 210 used in the original partition wall 200 with a bolt 211 and a nut 212.

[0033] The column 20 has a hollow structure and is U-shaped in cross section. The column 20 has a side surface 21 to which a first connecting member 81 of a connecting portion 80 (described later) is fixed by welding or adhesive.

[0034] The door section 40 includes a rectangular plate section 41 made of a destructible plate and a frame section 42 surrounding the plate section 41. The door section 40 is preferably a repurposed door section 40 originally used as part of the partition wall 200, retaining its original shape. It is also preferable to use a portion of a partition wall that was previously located in a common area, such as a balcony 500, removed from the repurposed door section 40. That is, the removed door section 40 can be placed on a second line L1 (described later) offset from the first line L of the original partition wall 200, making it openable and closable (see FIG. 9 ). This results in a partition device 10 that is virtually identical to the conventional partition wall 200 before construction. Furthermore, such a door section 40 can be destructible and openable in an emergency. The plate section 41 is preferably a flexible board made of sodium silicate, and the frame section 42 is preferably made of aluminum.

[0035] The frame portion 42 of the door portion 40 has one end portion 45 on one side thereof and another end portion 46 on the other side thereof, and the connecting portion 86 of the connecting portion 80 is attached to the one end portion 45 by a bolt 47 and a nut 48.

[0036] As described above, the connecting portion 80 attaches the pillar portion 20 and the door portion 40 to be able to open and close, and includes a first connecting member 81 that is disposed perpendicular to the door portion 40 when the door portion 40 is closed in a cross-sectional view, a second connecting member 82 that is connected to the first connecting member 81 and is disposed parallel to the door portion 40 in the closed state and in the rightward direction M in a cross-sectional view, and a third connecting member 83 that is connected to the second connecting member 82 and is disposed perpendicular to the door portion 40 in the closed state in a cross-sectional view (see FIG. 9 ). That is, the connecting portion 80 includes the first connecting member 81, the second connecting member 82, and the third connecting member 83. The first connecting member 81 is disposed perpendicular to the door portion 40 and is disposed in the direction from the first line L of the partition wall 200 to the second line L1. The third connecting member 83 is disposed perpendicular to the door portion 40, and is disposed in the direction from the first line L of the partition wall 200 toward the second line L1.

[0037] In this way, the connecting portion 80 is a plate-like member that is integrally formed of the first connecting member 81, the second connecting member 82, and the third connecting member 83, which are bent at right angles as described above in a cross-sectional view. Furthermore, the first connecting member 81 in the connecting portion 80 is configured to be larger than the lateral thickness S1 of the column portion 20 in a cross-sectional view (see FIG. 9).

[0038] The second connecting member 82 in the connecting portion 80 is also configured to be larger than the vertical thickness S2 of the pillar portion 20. The third connecting member 83 in the connecting portion 80 is also configured to be larger than the thickness S3 of the door portion 40 (see FIG. 9).

[0039] Furthermore, the connecting portion 80 further has the above-mentioned connection coupling portion 86 that has an L-shape in cross section and connects to the above-mentioned door portion 40, and a hinge portion 88 that serves as a hinge, and the third connecting member 83 and the connection coupling portion 86 are configured to be openable and closable via the hinge portion 88. Therefore, as described above, the connecting portion 80 can attach the pillar portion 20 and the door portion 40 so that they can be opened and closed. Also, as described above, the first connecting member 81 of the connecting portion 80 is fixed to the side portion 21 of the pillar portion 20 by welding or adhesive.

[0040] In this way, the first connecting member 81, the second connecting member 82, and the third connecting member 83 in the connecting portion 80 are configured to be larger in size so as to avoid the horizontal thickness S1 of the pillar portion 20, the vertical thickness S2 of the pillar portion 20, and the thickness S3 of the door portion 40, respectively, as described above. Therefore, by arranging the door portion 40 on the second line L1, which is offset from the first line L on which the original door portion 40 was arranged, the door portion 40 can be installed so that it can be opened and closed while still being used as is.

[0041] The separator 10 may also have another connecting portion 80'. The other connecting portion 80' includes substantially the same configuration as the connecting portion 80 described above, and the same components are designated by the same reference numerals, and while some of the description may be omitted, they will be briefly described below. That is, the other connecting portion 80' is formed by integrally bending a plate-like member, and includes a first connecting member 81, a second connecting member 82 connected to the first connecting member 81 and disposed parallel to the door portion 40 in the closed state and in the rightward direction M in a cross-sectional view, and a third connecting member 83 connected to the second connecting member 82 and disposed perpendicular to the door portion 40 in the closed state in a cross-sectional view. Furthermore, in the other connecting portion 80', like connecting portion 80, the first connecting member 81, the second connecting member 82, and the third connecting member 83 are configured to be larger in size so as to avoid the horizontal thickness S1 of the pillar portion 20, the vertical thickness S2 of the pillar portion 20, and the thickness S3 of the door portion 40, respectively, as described above. Therefore, by arranging the door portion 40 on the second line L1, which is offset from the first line L on which the original door portion 40 was arranged, the door portion 40 can be installed so as to be able to be opened and closed while still being used as is.

[0042] The other connecting portion 80' further has a second connecting portion 86' that is attached to the door portion 40 and a hinge portion 88 that serves as a hinge, and is configured so that the third connecting member 83 and the second connecting portion 86' can be opened and closed via the hinge portion 88. In this way, the other connecting portion 80' differs from the connecting portion 80 in that it further has a second connecting portion 86'. The second connecting portion 86' is attached to one end portion 45 of the door portion 40.

[0043] Furthermore, unlike the connecting portion 80, the other connecting portion 80' has a fourth connecting member 84. The fourth connecting member 84 is connected to the third connecting member 83, and is disposed parallel to the door portion 40 in the closed state in a cross-sectional view, and is further disposed to the right in the direction M with respect to the second connecting member 82.

[0044] The separator 10 preferably has three connecting portions, namely, another connecting portion 80', a connecting portion 80 and a connecting portion 80 from above.

[0045] The partition device 10 also has a second pillar portion 250 that stands upright and serves as a pillar. This second pillar portion 250 literally serves as the pillar of the partition device 10 and is placed in a standing, i.e., upright, position in a common area, such as a balcony 500. The second pillar portion 250 is preferably fixed to the pillar 220 that was originally used for the partition wall 200. The partition device 10 also has a fixing portion 180 for fixing the door portion 40. The fixing portion 180 includes a magnet portion 181, which is a so-called magnetic catch, and a fixing member 182 that fixes the magnet portion 181, and an adhesive portion 186 that connects the magnet portion 181 to the second pillar portion 250. The adhesive portion 186 is preferably thin and magnetically attached to the magnet portion 181. The magnet portion 181 is attached to the second pillar portion 250 via the fixing member 182 and screws 183. Additionally, suction parts 186 are attached to the top and bottom of the other end 46 of the door part 40 by suction part bolts 187 and suction part nuts 188. When the door part 40 is closed, the suction parts 186 are attracted to the magnet part 181, and the door part 40 can be maintained in a closed state.

[0046] As described above, the connecting portion 80 and the other connecting portion 80' can position the door portion 40 on the second line L1 that is offset from the first line L on which the door portion 40 was positioned. In other words, the connecting portion 80 and the other connecting portion 80' are composed of a first connecting member 81 that, in a cross-sectional view, is perpendicular to the door portion 40 when the door portion 40 is closed and is arranged in the direction from the first line L to the second line L1; a second connecting member 82 that is connected to the first connecting member 81 and, in a cross-sectional view, is parallel to the door portion 40 in its closed state and is arranged in the right direction M; and a third connecting member 83 that is connected to the second connecting member 82 and, in a cross-sectional view, is arranged perpendicular to the door portion 40 in its closed state and is arranged in the direction from the first line L to the second line L1. This is because the first connecting member 81, the second connecting member 82, and the third connecting member 83 are each configured to be large enough to avoid the horizontal thickness S1 of the pillar portion 20, the vertical thickness S2 of the pillar portion 20, and the thickness S3 of the door portion 40 mentioned above, respectively.

[0047] Furthermore, the partition device 10 may have a door catch device that can temporarily secure the door section 40 to the second pillar section 250, which is erected as a pillar, in addition to the fixing section 180 that receives the door section 40. The door catch device is preferably a magnet, which can attract the closed door section 40. Furthermore, the door catch device can temporarily secure the closed door section 40 by arranging a male hook-and-loop fastener or a female hook-and-loop fastener on the second pillar section 250, which is a pillar (not shown), and arranging a female hook-and-loop fastener or a male hook-and-loop fastener on the door section 40. Furthermore, although not shown, the door catch device 300 may have an engaging section arranged on the second pillar section 250, which is a pillar, and an engaging receiving section arranged on the door section 40 that receives the engaging section.

[0048] When the device 10 has the above-mentioned fixing portion 180 or the door catch device, when the door portion 40 comes into contact with the door contact portion 140 and the door portion 40 closes automatically, the closed door portion 40 can be temporarily fixed.

[0049] To attach the door opening / closing limiting device 100 of the first embodiment to the separating device 10, screws can be inserted into the screw holes 121 in the pillar portion 20 and tightened to secure the device to the pillar portion 20. In a plan view, the intermediate connecting portion 130 is positioned to avoid the end of the door portion 40, and the door contact portion 140 is positioned away from the surface of the door portion 40. As described above, when the door contact portion 140 is configured at a 45-degree angle with respect to the closed door portion 40, the opening angle of the door portion 40 is limited to that angle, so that it can be prevented from contacting a wall or the like even when the door portion 40 is open.

[0050] Furthermore, to attach the door opening / closing limiting device 102 of the second embodiment to the separating device 10, it is possible to fix it to the pillar portion 20 by inserting a screw into the screw hole 121 in the pillar portion 20 and tightening it. In a plan view, the intermediate connecting portion 130 is positioned to avoid the end of the door portion 40, and the second door contact portion 142 is positioned away from the surface of the door portion 40. As described above, when the second door contact portion 142 is configured at an angle of 60 degrees with respect to the closed door portion 40, the opening angle of the door portion 40 is limited to that angle, so that it is possible to prevent the second door contact portion 142 from coming into contact with a wall or the like even when the door portion 40 is open. [Explanation of symbols]

[0051] 10 Separation device 20 Column section 40 Door section 80 Connection part 80' Other connections 81 First connecting member 82 Second connecting member 83 Third connecting member 84 Fourth connecting member 100 Door opening / closing limiting device of the first embodiment 102 Door opening / closing limiting device of the second embodiment 180 Fixed part 181 first fixing member 182 Second fixing member 183 Third fixing member 200 Bulkhead 250 2nd pillar section L 1st Line L1 Second Line

Claims

1. To limit the opening angle of the door, A door opening limiting device that limits the angle of the door by coming into contact with the door when it is opened.

2. In order to limit the opening angle between the erected pillar and the door that can be opened and closed, A door opening limiting device is attached to the pillar portion and contacts the door portion when the door portion is opened to limit the angle of the door opening.

3. In order to limit the opening angle between the erected pillar and the door that can be opened and closed, a mounting portion to be attached to the column portion; and a door contact portion that contacts the door portion when the door portion is opened to limit the opening angle.

4. In order to limit the opening angle between the erected pillar and the door that can be opened and closed, a mounting portion to be attached to the column portion; a door contact portion that contacts the door portion when the door portion is opened to limit the angle of the door portion; A door opening limiting device having the mounting portion and an intermediate connecting portion that connects the door contact portion.

5. To limit the opening angle of the door section to an angle between 45 degrees and 70 degrees, 5. The door-opening restricting device according to claim 1, wherein the door contact portion is disposed at an angle of 45 degrees to 70 degrees relative to the closed door portion in a plan view.

6. A column portion to be erected; Destructible door, a connecting portion that connects the pillar portion and the door portion so that the door portion can be opened and closed; The connecting portion includes a first connecting member that is attached to the pillar portion and the door portion and is disposed perpendicular to the door portion in a cross-sectional view; a second connecting member connected to the first connecting member and disposed parallel to the door portion in a cross-sectional view; a third connecting member connected to the second connecting member and disposed perpendicular to the door portion in a cross-sectional view; To limit the opening angle of the door section, A partition device having a door opening limiting device attached to the pillar portion and contacting the door portion when the door portion is opened to limit the angle thereof.

7. A column portion to be erected; Destructible door, a connecting portion that connects the pillar portion and the door portion so that the door portion can be opened and closed; The connecting portion includes a first connecting member that is attached to the pillar portion and the door portion and is disposed perpendicular to the door portion in a cross-sectional view; a second connecting member connected to the first connecting member and disposed parallel to the door portion in a cross-sectional view; a third connecting member connected to the second connecting member and disposed perpendicular to the door portion in a cross-sectional view; To limit the opening angle of the door section, A partition device having a door opening limiting device which is attached to the pillar portion and has a door contact portion which comes into contact with the door portion when the door portion is opened to limit the opening angle.

8. A column portion to be erected; Destructible door, a connecting portion that connects the pillar portion and the door portion so that the door portion can be opened and closed; The connecting portion includes a first connecting member that is attached to the pillar portion and the door portion and is disposed perpendicular to the door portion in a cross-sectional view; a second connecting member connected to the first connecting member and disposed parallel to the door portion in a cross-sectional view; a third connecting member connected to the second connecting member and disposed perpendicular to the door portion in a cross-sectional view; To limit the opening angle of the door section, a door contact portion that is attached to the pillar portion and that comes into contact with the door portion when the door portion is opened to limit the angle of the door portion; A partition device having a door opening limiting device including the mounting portion and an intermediate connecting portion that connects the door contact portion.

9. A separation device as described in any one of claims 6 to 8, wherein the door opening limiting device limits the open angle of the door section to an angle of 45 to 70 degrees, so that the door contact portion is positioned at an angle of 45 to 70 degrees relative to the closed door section in a planar view.

10. The door opening limiting device is a partition device described in any one of claims 6 to 8, in which the door contact portion is positioned at an angle of 45 to 70 degrees relative to the closed door portion in a planar view in order to limit the open angle of the door portion to an angle of 45 to 70 degrees, and which also has a door catch device that can temporarily fix the closed door portion when the door portion is closed.

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