Bearing means fixing structure

Abstract

To provide a bearing means fixing structure, which can improve the installation efficiency of bearing means.SOLUTION: A bearing means fixing structure is a fixing structure for fixing bearing means, which rotatably supports a winding shaft 40 for opening and closing an opening / closing body 30 that opens and closes an opening provided in a skeleton of a building, to a wooden support member 2d, of the components that make up the skeleton, whose outer surface is covered with support-side fire-resistant covering material 73. The bearing means fixing structure includes a base member 80 that is provided between the bearing means and the support-side fire-resistant covering material 73, and attached with the bearing means. The bearing means is fixed to the support member 2d by a support-side fixing device 91 that is inserted into the support member 2d so as to penetrate the base member 80 and the support-side fire-resistant covering material 73.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a fixing structure for a bearing means. [Background technology]

[0002] Conventionally, a support bracket constituting a shutter device provided at an opening in a building has A support bracket is provided to support both the left and right ends of the winding drum on which the shutter curtain is wound. One of the techniques for fixing to the frame is to use angle irons attached to support brackets. The technology is to fix the angle material to the structure with bolts while it is in direct contact with the structure. This has been disclosed (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-206815 Summary of the Invention [Problem to be solved by the invention]

[0004] In recent years, shutter devices have been installed in wooden buildings with a certain level of fire resistance. The need for such a wooden building is increasing. The support bracket is fixed to the wooden member whose outer surface is covered with fire-resistant covering material. Then, the fireproof covering material and the angle iron come into direct contact with each other. The fireproof covering material is easily damaged when it is subjected to direct pressure from the angle iron. Therefore, there is room for improvement in terms of ease of installation of bearing means such as support brackets. There was earth.

[0005] The present invention is intended to solve the problems in the above-mentioned prior art, and provides a bearing means The object of the present invention is to provide a fixing structure for a bearing means that can improve stability. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, a fixing structure of a bearing means according to claim 1 is provided. The winding shaft rotates to open and close the opening and closing body that opens and closes the opening provided in the building frame. The bearing means for rotatably supporting the bearing means is a member of the frame whose outer surface is covered with a fire-resistant covering material. a fixing structure for fixing to a wooden support member attached to said bearing means and said fire-resistant member; a base member provided between the covering material and the bearing means, and a fastener inserted into the support member so as to penetrate the base member and the fire-resistant covering material. The bearing means was fixed to the support member by the

[0007] The fixing structure of the bearing means according to claim 2 is the same as the fixing structure of the bearing means according to claim 1. The base member is constructed by combining a plurality of frame members each having a storage space, and the fixing The fixture is provided so that the head portion of the fixture is accommodated within the accommodation space.

[0008] The fixing structure of the bearing means according to claim 3 is the fixing structure of the bearing means according to claim 1 or 2. In the case where a fire occurs around the opening, the heat of the fire is conducted to the fixing device. The device is provided with a suppression means for suppressing the occurrence of such a problem.

[0009] The fixing structure of the bearing means according to claim 4 is the same as the fixing structure of the bearing means according to claim 3. The head portion of the fixing tool and / or its vicinity are exposed to the outside by the suppression means. The suppressing means is provided on the base member so as to prevent this.

[0010] The fixing structure of the bearing means according to claim 5 is a bearing according to any one of claims 1 to 4. In the fixing structure of the means, by supporting the base member, the load acting on the fixing tool is Equipped with reinforcement means to reduce load. [Effects of the Invention]

[0011] According to the fixing structure of the bearing means of claim 1, the fixing structure is provided between the bearing means and the fire-resistant covering material. a base member to which a bearing means is attached, The bearing means is secured to the support member by a fastener inserted into the support member so as to penetrate the material. Therefore, compared to when the bearing means is fixed to the support member without using a base member, All of these measures are intended to prevent damage to the fireproof coating (for example, cracks in the fireproof coating). Therefore, the bearing means can be firmly fixed to the support member, and the installation of the bearing means can be improved. do.

[0012] According to the fixing structure of the bearing means of claim 2, the base member is a frame material having an accommodation space. The head portion of the fixture is accommodated in the accommodation space. By providing the fixing device, it is possible to prevent the fixing device from being exposed to the outside, and the design around the base material can be This reduces the heat transfer to the fixtures in the event of a fire occurring around the opening while maintaining its functionality. Cut.

[0013] According to the fixing structure of the bearing means of claim 3, when a fire breaks out around the opening, The fire suppression means is provided to suppress the heat of the fire from being transmitted to the fixture. The heat of the fire can be prevented from being conducted to the fixing device, and the heat of the fire can be prevented from being conducted to the supporting member. This can prevent the components from falling off.

[0014] According to the fixing structure of the bearing means of claim 4, the head portion of the fixing tool is prevented from being broken by the restraining means. And / or the suppression means is provided on the base member so that the surrounding area is not exposed to the outside. This prevents the head portion of the fixture and / or its neighboring portion from being exposed to the outside. It can prevent the heat from the fire from being transferred to the fixtures.

[0015] According to the fixing structure of the bearing means of claim 5, the fixing is performed by supporting the base member. The reinforcing means is provided to reduce the load acting on the tool, so that the opening and closing body and the winding shaft can be automatically retracted. Therefore, the load acting on the fixing tool due to the weight, etc. can be reduced. This can prevent the base member from being damaged, thereby improving the stability of the installation of the base member. [Brief explanation of the drawings]

[0016] [Figure 1] 1 is a front view of an opening and closing device according to an embodiment of the present invention; [Figure 2] FIG. 2 is a rear view of the opening and closing device, and is an enlarged view of the periphery of a storage section (partially omitted and partially cross-sectional). [Figure 3] 3 is a cross-sectional view taken along the line AA in FIG. 2 (partially omitted). [Figure 4] 3 is a cross-sectional view taken along the line BB in FIG. 2 (partially omitted). DETAILED DESCRIPTION OF THE INVENTION

[0017] Hereinafter, embodiments of the fixing structure of the bearing means according to the present invention will be described in detail with reference to the accompanying drawings. First, [I] the basic concept of the embodiment will be explained, and then [II] the details of the embodiment will be explained. Finally, [III] modifications to the embodiments will be described. However, the present invention is not limited to the embodiments.

[0018] [I] Basic Concept of the Embodiment First, the basic concept of the embodiment will be described. A winding shaft is rotatably supported to open and close an opening provided on the body. The bearing means is attached to a wooden support part of the frame whose outer surface is covered with a fire-resistant covering material. This relates to a fixing structure for fixing to a material.

[0019] Here, the specific structure and type of the "building" are arbitrary, but for example, public facilities, commercial facilities, etc. This concept includes detached houses, apartment complexes, condominiums, and so on.

[0020] In addition, "opening" refers to a part of the building's framework (for example, wall material, floor material, ceiling material, etc.). It is an opening formed to install an entrance or window.

[0021] In addition, "opening and closing body" refers to all types of shutter devices (for example, heavy shutters, This concept includes shutter curtains for light-weight shutters, etc. The opening and closing directions of the opening and closing device include, for example, the up-down direction, the left-right direction, the front-rear direction, and the like. The driving method of the opening and closing device is optional, and examples include "manual opening and closing device" and "electric opening and closing device." More specifically, the device that automatically closes the fire alarm based on the signal from the fire detector or the operating device. Descending "manual opening and closing devices" (so-called manual fire shutters) and "electric opening and closing devices" This includes "electric fire shutters" and other similar devices.

[0022] The "open / closed state of the opening / closing body" includes, for example, a "fully closed state," a "fully open state," and a "half open state." Among these, the "fully closed state" refers to the state in which the opening is fully closed by the opening / closing body. In the embodiment, the position of the opening / closing body in the fully closed state is referred to as the "fully closed position." In addition, the "fully open state" refers to a state in which the opening is fully opened by the opening / closing body, and in the embodiment, The position of the opening / closing body in the fully open state is called the "fully open position." This is a state in which the opening / closing body is positioned between the fully closed position and the fully open position.

[0023] The specific structure and type of the "members that make up the framework" are arbitrary, but for example, wall materials, The concept includes pillars, beams, flooring, ceilings, etc. Also, the specific structure of "wooden support members" The structure and type are arbitrary, but the concept includes, for example, wooden beams, wooden wall materials, wooden pillar materials, etc. be.

[0024] In the following embodiments, the opening and closing device is installed inside a building such as a public facility (for example, a city hall). A vertically openable and electrically operated weight-operated system installed in an opening in the interior wall material that divides the room. This section explains the case where the shutter is an electric fire shutter.

[0025] [II] Specific details of the embodiment Next, specific details of the embodiment will be described.

[0026] (composition) First, the configuration of an opening and closing device to which the fixing structure of the bearing means according to the embodiment is applied will be described. Reveal.

[0027] In the following description, the X direction in FIG. 1 is the left-right direction of the switching device (the -X direction is the left direction of the switching device, The +X direction is the right direction of the switchgear), and the Y direction in Figure 3 is the front-to-back direction of the switchgear (the +Y direction is the -Y direction is the front direction of the switchgear (towards the outside of the room), and -Y direction is the rear direction of the switchgear (towards the inside of the room). )), the Z direction in Figure 1 is the up and down direction of the switchgear (+Z direction is the up direction of the switchgear, -Z direction is the This is called the downward direction of the closing device.

[0028] As shown in FIGS. 1 and 2, the opening and closing device 1 generally includes a storage section 10, a guide rail 20, The opening / closing body 30, the winding shaft 40, the opening / closing device 60, the operating device (not shown), and the control device (not shown) However, the configuration of the opening and closing device 1 that is not specifically mentioned is the same as that of the conventional device. Assuming that there is one, the description will be omitted.

[0029] The method of attaching (or connecting) the various components that make up the opening and closing device 1 may be arbitrarily selected. However, for example, when a mounting hole (for example, a reinforcing bar) is formed in the mounting member or the mating member, Fixing the mounting part to the other mounting part through holes (bed holes, screw holes, screw holes, etc.) Fixtures (e.g., rivets, mounting screws (e.g., anchor screws, etc.), screws, etc.), welding, Methods of attaching (or connecting) the components are adopted, such as using adhesives or double-sided tape.

[0030] In addition, the connection configuration of each device constituting this opening and closing device 1 is specifically as follows: are electrically connected to the switch 60 and the operating device via wires (not shown). This allows direct communication or power supply between the control device and the opening / closing device 60 and the operating device. This can be done directly or indirectly.

[0031] (Configuration - Storage section) The storage section 10 is a storage means for storing the opening / closing body 30. For example, It is configured using a ceiling-mounted storage case (or an exposed storage case). Specifically, it is formed of a hollow steel body, as shown in Figures 1 to 4. As shown in the figure, the upper end of the opening 3 provided in the building frame 2 (specifically, the wooden interior wall material 2a) In Figure 1, the wooden ceiling material 2b is installed above the ceiling material 2b. The upper floor material 2c is installed between the upper floor material 2c and the wooden floor material 2c located below the upper floor material 2c. The storage section 10 also houses a winding shaft 40. When the opening / closing body 30 is rolled up by the winding 40, at least a part of the opening / closing body 30 is also in the storage section 10. It is stored inside.

[0032] 2 and 3, the storage section 10 includes a drive-side bearing plate 11, a drive-side mounting portion 12, and a drive-side mounting portion 13. 12, a driven-side bearing plate 13, a driven-side mounting portion 14, and a case plate 15.

[0033] Here, the specific configuration of the ceiling material 2b is arbitrary, but in the embodiment, a known However, the present invention is not limited to this and may be applied to, for example, fire-retardant materials described later. It may be configured by stacking a plurality of 71a (for example, two layers).

[0034] The specific configuration of the upper floor material 2c is arbitrary, but in the embodiment, The upper and lower surfaces of the member 2c are provided with floor-side fire-resistant covering materials 72. Specifically, As shown in FIG. 2, the floor-side fire-resistant covering material 72 is capable of suppressing combustion of the upper floor material 2c. It is configured by stacking multiple fire-stopping members 71a (two stacked in FIG. 2). The upper floor member 2c is disposed so as to cover substantially the entire upper and lower surfaces of the upper floor member 2c. and fixed in place by means of fixtures or adhesives, etc.

[0035] The material of each fire-stopping member 71a is optional, but in this embodiment, gypsum It is made of board, but is not limited to this, for example, gypsum plaster, calcium silicate It may be made of a board, glass wool material, urethane material, or a combination thereof. (The same applies to the materials of the other fire-stopping members 71a).

[0036] The thickness of each fire-stopping member 71a is optional. The thickness is set according to the fire resistance of material 2b. Specifically, the thickness is set according to the fire resistance of material 2b. (Performance necessary to prevent the support member 2d from falling off and the fire from spreading during the fire) is set to a thickness that corresponds to the performance of the semi-fireproof structure (the performance required to prevent the spread of fire). However, it is not limited to this, and for example, thickness according to the performance of fire-resistant structure or semi-fire-resistant structure may be used. (Note that the same applies to the thickness of the other fire-retardant members 71a.) (This is the case.)

[0037] (Configuration - Storage section - Drive side bearing plate, Drive side mounting section) The drive-side bearing plate 11 is a plate member for covering the left end of the storage space of the storage section 10. As shown in FIG. 3, the drive-side mounting portion is provided substantially vertically so as to cover the left end of the storage space. 12 by a fixing device or the like.

[0038] The drive side mounting portion 12 is attached to the support member 2d via a base member 80 (to be described later). The drive side mounting portion 12 is for mounting the plate 11. For example, the drive side mounting portion 12 may be a plurality of known A combination of steel plates (for example, an L-shaped metal fitting and an L-shaped metal fitting and a base member 80) As shown in FIG. 3, the drive side bearing plate 11 and the base member 80. The "drive side mounting portion 12" corresponds to the "bearing means" in the claims. .

[0039] Here, the "supporting member 2d" refers to a member that constitutes the skeleton 2 and whose outer surface is covered with the fire-resistant covering material 73. (hereinafter referred to as "support-side fire-resistant covering material 73"). In this embodiment, the member 2d is attached to the upper floor member 2c and has a cross section along the YZ plane. A wooden beam having a substantially rectangular shape, the outer surface of which is covered with a support-side fire-resistant covering material 73. However, it is not limited to this, and for example, other members other than beams (for example, Wall materials, pillar materials, etc.

[0040] The specific configuration of the support-side fire-resistant covering material 73 is arbitrary, but in this embodiment, 3 and 4, a fire-stopping member capable of suppressing the combustion of the support member 2d. 3 and 4, two layers of the support portion 71a are stacked. The support member 2d is disposed so as to cover substantially the entire front, rear and bottom surfaces of the support member 2d. and connected by means of a fastener or adhesive.

[0041] (Configuration - Storage section - Driven side bearing plate, Driven side mounting section) Returning to FIG. 2, the driven-side bearing plate 13 is a plate member for covering the right end of the storage space. 2. As shown in FIG. 3, it is installed almost vertically so as to cover the right end of the storage space, and the driven side attachment It is connected to the attachment portion 14 by a fastener or the like.

[0042] The driven-side mounting portion 14 is attached to the support member 2d via a base member 80 (to be described later). The driven side mounting portion 14 is for mounting the plate 13. For example, the driven side mounting portion 14 may be a plurality of known A combination of steel plates (for example, an L-shaped metal fitting and an L-shaped metal fitting and a base member 80) The driven side bearing plate 13 and the base member 80 are connected to each other. The driven side bearing plate 13 and the driven side mounting portion 14 are provided between the driven side bearing plate 13 and the driven side mounting portion 14. The above corresponds to the "bearing means" in the claims.

[0043] (Configuration - Storage section - Case plate) Returning to FIG. 2, the case plate 15 is a curved plate for covering the rear, upper and lower surfaces of the storage space. As shown in Figures 2 to 4, the back, top, and bottom of the storage space are covered with a plate-like material. and connected to a base member 80 (to be described later) by means of a fixture or the like.

[0044] (Configuration - Storage section - Other configurations) As shown in FIG. 4, the ceiling material 2b located below the storage section 10 is provided with an opening / closing body 30. A lintel 10a is provided on the outside and inside of the room centered on the center. Between these lintels 10a, a lintel opening 10b is formed over the entire length of the opening 3 in the left-right direction. By forming the opening 10b over the entire length, the opening and closing body 30 can be inserted and removed through the opening 10b. will be carried out.

[0045] (Configuration - Guide rail) Returning to FIG. 1, the guide rail 20 guides the opening / closing body 30 along the opening / closing direction (vertical direction) of the opening 3. The guide rail 20 has a cross-sectional shape of, for example, It is a long body formed in a substantially U-shape, and as shown in FIG. At each end, the columns are arranged in a direction substantially parallel to the vertical direction and are directly fixed to the columns 2f. The mounting bracket is fixed to the mounting bracket, or is indirectly fixed via a base material (not shown).

[0046] (Configuration - Opening and closing body) The opening / closing body 30 opens and closes the opening 3, and specifically, the opening / closing body 30 rotates the winding shaft 40. The opening and closing state of the opening and closing body 30 is changed to a fully open state or a fully closed state by the closing movement or the opening movement. The opening / closing body 30 can be, for example, a known shutter car. Specifically, as shown in FIG. 1, the roof is provided with a plurality of slats 31. The slats 31 are connected to each other via fitting portions (not shown) formed at both the upper and lower ends thereof. The slats 31 are interfittingly connected to each other.

[0047] The left and right ends of the opening / closing body 30 are formed on the U-shaped opening of the guide rail 20. The end of the guide rail 20 is inserted into the guide rail 20. The guide rail 20 is slidable within the guide rail 20 in the front-rear direction. It is regulated so that it does not fall off to the outside.

[0048] A seat plate 32 is connected to the lower end of the opening / closing body 30. In the closed state, a wooden floor material 2e (hereinafter referred to as the "lower floor material 2e") is located below the ceiling material 2b. ") and is arranged so as to be in close proximity to or in contact with the lower end of the opening / closing body 30. It is formed over the entire length in the left-right direction.

[0049] (Configuration - Winding shaft) The winding shaft 40 is for moving the opening / closing body 30 to open and close (note that in FIG. 4, the winding shaft The maximum winding diameter M of the winding shaft 40 is shown by an imaginary line. The winding shaft 4 is configured to be arranged along the left-right direction. 0 is connected to a connecting slat (not shown) connected to the upper end of the opening / closing body 30, By rotating the winding shaft 40, the opening / closing body 30 is opened and closed via the connecting slats. can be done.

[0050] 2 and 3, the winding shaft 40 includes a drive-side shaft portion 41, a winding shaft A side sprocket portion 42 and a driven shaft portion 43 are provided.

[0051] Of these, the drive-side shaft portion 41 is used to connect the winding shaft 40 and the drive-side bearing plate 11. 2 and 3, the drive side is formed of a long rod-shaped body. The shaft portion is arranged so that its axial direction is along the left-right direction (in FIG. 3, the drive-side shaft portion 41 The tip of the bearing plate 11 is positioned to the left of the driving side bearing plate 11. The drive-side bearing member (not shown) is inserted through the drive-side bearing member so as to be rotatable relative to the drive-side bearing member.

[0052] Further, the winding shaft side sprocket portion 42 transmits the rotational driving force from the opening / closing device 60 to the transmission member 52 ( For example, a circular roller chain or the like is used to transmit the force to the drive shaft 41. The take-up shaft sprocket portion 42 is configured using, for example, a known sprocket. As shown in FIG. 3, the drive shaft 41 is provided with a spring 42 at the tip thereof or in the vicinity thereof. and is fixed to the drive-side shaft portion 41 by a fixture or the like.

[0053] The driven-side shaft portion 43 is a connecting portion for connecting the winding shaft 40 and the driven-side bearing plate 13. 2 and 3, the driven shaft is formed of a long rod-shaped body. The driven shaft portion 43 is disposed so that its axial direction is along the left-right direction (in FIG. 3, The tip of the driven-side bearing plate 13 is positioned to the right of the driven-side bearing plate 13. The driven-side bearing member (not shown) is inserted rotatably relative to the driven-side bearing member.

[0054] (Configuration - Opening and closing mechanism) Returning to FIG. 2, the opening / closing device 60 controls the rotation of the winding shaft 40 to electrically connect the opening / closing body 30. This opening / closing device 60 is a driving means for moving the opening / closing device by a known opening / closing device, for example. As shown in FIGS. 2 to 4, the storage unit 10 is configured to receive the storage unit 10 from the outside. is also provided on the indoor side of the room, and is connected to the drive side bearing plate 11 by a fastener or the like. is fixed by

[0055] (Configuration - Operating device) The operating device is an operating device that receives an operation input related to the closing movement or opening movement of the opening / closing body 30. For example, known operating means for shutter devices (for example, wired or wireless The operating device is configured using the operation device (or the like), and is located near the opening 3 outside the storage section 10. It is set up in.

[0056] (Configuration-Controller) The control device is a device that links each part of the switching device 1 with each other. For example, it is configured using a known shutter control device or the like, and is connected to the opening / closing device 60 via wiring (not shown). and is electrically connected to a communication unit, a power supply unit, a control unit, and a storage unit (all of which (Also not shown).

[0057] The communication unit is a communication unit for communicating between the control device and the operation device or an external device. The power supply unit is supplied from a commercial power source or a battery (for example, a battery) (not shown). The power supply means supplies the supplied power to each part of the control device and also to the switch 60. The control unit is a control means for controlling each part of the control device. The memory unit is a It is a storage means for storing the programs and various data required for the above.

[0058] (Configuration - fixing structure of bearing means) Returning to FIG. 2, the fixing structure of the bearing means will now be described.

[0059] This opening and closing device 1 includes a bearing means (specifically, a "driving side bearing plate 11" and a " The drive side mounting portion 12 is made up of a driven side bearing plate 13 and a driven side mounting portion 14. The fixing structure is provided for fixing the support member 2d to the support member 2d. The structural features of the embodiment are as follows.

[0060] (Configuration - Fixing structure of bearing means - First feature) First, the first feature of the fixing structure according to the embodiment is that the fixing structure is made of a base member 8. It has 0.

[0061] The base member 80 is a member that supports the bearing means, and in this embodiment, it has a plurality of receiving cavities. It is constructed by combining a plurality of frame materials 81 (specifically, steel pipe materials) having gaps 81a. It has been completed.

[0062] Specifically, as shown in FIGS. 2 to 4, the front shape of the base member 80 is made to have a ladder shape. A plurality of frame members 81 (in FIG. 2, vertical frame members that are long in the up-down direction and horizontal frame members that are long in the left-right direction) are attached to the It is constructed by combining them with welding or fasteners (in the figure, in addition to this construction, (In this case, two vertical frame members are arranged side by side at both the left and right ends of the base member 80.) However, for example, the front shape of the base member 80 may be a lattice shape or a ring shape (for example, a rectangular ring shape). The frame 81 may be configured by combining a plurality of frame materials 81 so as to form the frame 81.

[0063] In the following, as necessary, the driving side of the frame material 81 (vertical frame material) of the base member 80 will be The vertical frame member 82 located on the side of the mounting portion 12 is called the "driving side vertical frame member 82," and the vertical frame member 82 located on the side of the driven side mounting portion 14 is called the "driving side vertical frame member 82." The vertical frame member 83 positioned between the driving side vertical frame member 82 and the driven side vertical frame member 8 The vertical frame member 84 located between the base member 80 and the vertical frame member 3 is called the "intermediate vertical frame member 84." Among the horizontal frame members, the horizontal frame member 85 located on the upper floor member 2c side is referred to as the "upper floor side horizontal frame member 85". The horizontal frame member 86 located on the ceiling material 2b side is referred to as the "ceiling-side horizontal frame member 86."

[0064] The base member 80 is provided between the bearing means and the support-side fire-resistant covering material 73. The bearing means is provided so as to be attached to the base member 80.

[0065] Specifically, as shown in FIGS. 2 to 4, each frame member 81 of the base member 80 is made of a support-side fireproof covering. The driving side vertical frame member 82 is disposed so as to abut against the covering member 73. The driving side vertical frame member 82 is disposed so as to abut against the driving side mounting portion 1. 2, and the fixing device 90 (hereinafter referred to as the "base side fixing device 90") ) and the drive side mounting portion 12 (or the base member 80 is pre-assembled at the factory). In the case of combination, they may be connected by welding. The driven side mounting portion 14 is disposed so as to abut against the driven side mounting portion 14, and is fixed to the driven side mounting portion 14 via the base side fixing device 90. Attached to the mounting portion 14 (or if the base member 80 is pre-assembled at the factory) may be connected by welding).

[0066] The method of fixing the bearing means using the base member 80 is arbitrary. In this embodiment, the support member 2d is inserted so as to penetrate the base member 80 and the support-side fire-resistant covering material 73. The bearing means is supported by a fixture 91 (hereinafter referred to as the "support side fixture 91"). It is fixed to the support member 2d.

[0067] Specifically, as shown in FIGS. 2 to 4, the driving side vertical frame member 82 and the support side fireproof covering member 73 The drive side attachment is provided by a plurality of support side fixing devices 91 inserted into the support member 2d so as to penetrate the The support member 2d is fixed to the support member 2d by the attached portion 12. A plurality of support-side fixtures 91 are inserted into the support member 2d so as to penetrate the covering material 73. The driven side mounting portion 14 is fixed to the support member 2d. A plurality of support-side fasteners inserted into the support member 2d so as to penetrate the support-side fire-resistant covering material 73. The upper floor side horizontal frame member 85 is fixed to the support member 2d by 91. A plurality of pieces of material inserted into the support member 2d so as to penetrate the horizontal frame member 86 and the support side fire-resistant covering material 73. The ceiling-side horizontal frame member 86 is fixed to the support member 2d by the support-side fixing device 91.

[0068] In this case, the method of installing each support side fixture 91 is arbitrary, but in the embodiment In this state, the head portion 91a of each support side fixture 91 is inserted into the accommodation space of each frame material 81 of the base member 80. Each support side fixture 91 is provided so as to be housed within 81a.

[0069] Specifically, as shown in FIGS. 3 and 4, the base side formed on each frame member 81 of the base member 80 By inserting each support-side fixture 91 through an insertion hole (not shown), each support-side fixture The head portion 91a of the support 91 is positioned in the accommodation space 81a, so that the support side is fixed. A fixture 91 is provided.

[0070] This prevents the support-side fixtures 91 from being exposed to the outside, and the periphery of the base member 80 While maintaining the design of the opening 3, the heat of the fire that occurs around the opening 3 is transmitted to each supporting fixture 91. This can reduce the amount of damage that can be achieved.

[0071] With this first feature, the bearing means can be mounted on the support member without using the base member 80. 2d, damage to the support-side fire-resistant covering material 73 (for example, While suppressing the occurrence of cracks in the side fireproof covering material 73, the bearing means is attached to the support member 2d. Therefore, the bearing means can be firmly fixed to the bearing member, and the installation of the bearing means can be improved.

[0072] (Configuration - Fixing structure of bearing means - Second feature) Next, the second feature of the fixing structure according to the embodiment is that the fixing structure is It also has:

[0073] When a fire breaks out around the opening 3, the suppression unit 100 is configured to suppress the heat of the fire from reaching the support-side fixing device. The suppression unit 100 is a suppression means for suppressing the conduction of the electric current to the electric current 91. The fire-resistant covering material (for example, a fire-resistant covering material in which a plurality of fire-stopping members 71a are laminated) is provided. 4, the upper floor It is provided on the side horizontal frame member 85 and the ceiling side horizontal frame member 86.

[0074] In the following, if necessary, the part of the restraining portion 100 located on the side of the upper floor-side horizontal frame member 85 will be described. The restraining portion 101 located on the ceiling-side horizontal frame member 86 side is referred to as the "upper restraining portion 101." 02 is referred to as the "lower restraining portion 102."

[0075] The suppression unit 100 may be installed in any manner. In the embodiment, the suppression unit 10 0, the head portion 91a and / or its neighboring portion of each support side fixture 91 is exposed to the outside. To prevent this, a suppressing portion 100 is provided on the base member 80.

[0076] Specifically, as shown in FIGS. 3 and 4, the upper restraining portion 101 is The upper floor horizontal frame member 85 is arranged on the rear surface of the upper floor horizontal frame member 85 so as to directly block the base insertion hole formed on the rear surface of the and connected to the upper floor horizontal frame member 85 by means of a fixture or adhesive. The side restraining portion 102 directly blocks the base insertion hole formed on the rear surface of the ceiling-side horizontal frame member 86. However, the underside of the ceiling-side horizontal frame member 86 is not visible from below. The ceiling-side horizontal frame member 86 is connected to the ceiling-side horizontal frame member 86 by means of a fastener or adhesive.

[0077] However, the present invention is not limited to this. For example, in the accommodation space 81a of each frame material 81 of the base member 80, The suppressing portion 100 is provided (or filled) at least in the portion corresponding to the base-side through-hole, It may be connected to the base member 80 by a fastener or adhesive or the like.

[0078] As a result, the head portion 91a of the support side fixture 91 and / or its vicinity are exposed to the outside. This can prevent the heat of the fire from being released and can prevent the heat from being transferred to the support-side fixture 91.

[0079] This second feature prevents the heat of the fire from being transmitted to the support-side fixture 91. This prevents the heat of the fire from being transferred to the support member 2d, causing the support member 2d to fall off. can.

[0080] (Configuration - Bearing Means Fixing Structure - Third Feature) Next, the third feature of the fixing structure according to the embodiment is that the fixing structure has a reinforcing portion 110. It also has:

[0081] The reinforcing portion 110 supports the base member 80, thereby absorbing the load acting on the support-side fixture 91. This reinforcing portion 110 is a reinforcing means for reducing the load. The reinforcing portion 110 is formed of, for example, a steel plate. As shown in FIG. 4, a fixing device 92 (hereinafter, “fixing device 92”) is provided below the base member 80. The support member 2d and the base member 80 (specifically, the ceiling It is fixed to the well-side horizontal frame material 86).

[0082] The specific shape and size of the reinforcing portion 110 are arbitrary, but in the embodiment is set as follows:

[0083] That is, the cross-sectional shape of the reinforcing portion 110 along the YZ plane is The shape is set to approximately follow the support member 2d, and as an example, it is set to approximately Z-shape. Specifically, as shown in FIG. 4, the reinforcing portion 110 is formed on the first portion located on the lower surface side of the support member 2d. The first reinforcing piece 111, the second reinforcing piece 112 located on the rear side of the support member 2d, and the base member 80 The third reinforcing piece 113 is located on the side.

[0084] The left-right length of the reinforcing portion 110 is approximately the same as the left-right length of the base member 80. However, the present invention is not limited to this, and may be modified so that the length of the base member 80 in the left-right direction is longer than the length of the base member 80. It may be set shorter or longer than that.

[0085] The length of the reinforcement portion 110 in the front-rear direction is set to be less than the length of the base member 80 in the front-rear direction. It is set to be longer than the length of the support member 2d in the front-rear direction.

[0086] The vertical length of the reinforcing portion 110 is longer than the vertical length of the base member 80. is also set to be short.

[0087] The thickness of the reinforcing portion 110 is set to a thickness that can support the base member 80. As an example, it is set to about 1 mm to 3 mm.

[0088] Due to this third feature, the opening / closing body 30 and the winding shaft 40 are supported by their own weights, for example. Therefore, the load acting on the support side fixture 91 can be reduced. This can prevent the base member 80 from being pulled out, thereby improving the stability of the installation of the base member 80.

[0089] (Operation of the switching device) Next, the operation of the opening and closing device 1 configured as above will be described. The first action is the normal action (hereinafter referred to as the "first action"), and the second action is the action when a fire occurs outside the room. The action when a fire breaks out inside the room (hereinafter referred to as the "second action") and the action when a fire breaks out inside the room (hereinafter referred to as the "second action") These effects are broadly divided into two categories: first, the first effect (hereinafter referred to as the "third effect") and second, and each effect will be explained below. The second and third actions are almost the same, so the explanation of the third action will be omitted. Let's say.

[0090] (Operation of Switchgear - First Operation) As shown in FIG. 4, a base member 80 is provided between the bearing means and the support-side fire-resistant covering material 73. The bearing means is arranged so as to penetrate the base member 80 and the support-side fire-resistant covering material 73. The support member 2d is fixed to the support member 2d by the support side fixture 91 inserted into the support member 2d as shown in FIG. Therefore, the support side fireproof covering material 73 and the bearing means (specifically, the drive side mounting portion 12, This prevents the driven side mounting portion 14 from directly contacting the supporting side fireproof member. Since the covering material 73 does not directly receive the bearing pressure from the bearing means, the supporting side fire-resistant covering material 73 While suppressing the occurrence of damage to the upper part (for example, the occurrence of cracks in the support side fireproof covering material 73), The bearing means can be firmly fixed to the support member 2d.

[0091] In addition, since the base member 80 is supported by the reinforcing portion 110, for example, the opening / closing body 30 and The load acting on the support side fixture 91 due to the weight of the winding shaft 40 or the like is reduced. Therefore, the support-side fixture 91 can be prevented from being pulled out from the support member 2d, and the installation of the base member 80 can be prevented. This can improve the stability of the device.

[0092] (Operation of Switchgear - Second Action) For example, if a fire breaks out outside the room in the fully closed state, the support member 2d It will be exposed to the flames of disaster.

[0093] In this case, the support-side fire-resistant covering material 73 prevents the support member 2d from burning. As a result, at least a part of the support member 2d burns, and the fire is supported. This prevents the fire from spreading from the outside to the inside of the room via the member 2d.

[0094] In addition, the head portion 91a and / or its vicinity of the support side fixture 91 is prevented from being damaged by the suppression portion 100. The suppression portion 100 is provided on the base member 80 so that the portion is not exposed to the outside. The head portion 91a of the support side fixture 91 and / or its neighboring portion are exposed to the outside. This can prevent the heat of the fire from being transmitted to the support-side fixture 91. Therefore, it is possible to prevent the heat of the fire from being transferred to the support member 2d, which would otherwise cause the support member 2d to fall off. do.

[0095] (Effects of the embodiment) As described above, according to the embodiment, the bearing means and the support-side fire-resistant covering material 73 are provided between the bearing means and the support-side fire-resistant covering material 73. A base member 80 is provided, and the base member 80 is provided with a bearing means attached thereto. The support-side fixing tool 91 is inserted into the support member 2d so as to penetrate the support-side fire-resistant covering material 73. Since the bearing means is fixed to the support member 2d, the shaft can be supported without using the base member 80. Compared to when the receiving means is fixed to the support member 2d, the occurrence of damage to the support side fire-resistant covering material 73 is reduced. The bearing means is supported while suppressing damage (for example, cracking of the support-side fire-resistant covering material 73, etc.). This allows the bearing means to be firmly fixed to the support member 2d, thereby improving the ease of installation of the bearing means.

[0096] The base member 80 is constructed by combining a plurality of frame members 81 each having a storage space 81a. The head portion 91a of the support side fixture 91 is accommodated in the accommodation space 81a. By providing the support-side fixture 91, it is possible to prevent the support-side fixture 91 from being exposed to the outside, While maintaining the design around the base member 80, the heat of a fire occurring around the opening 3 is absorbed by the supporting side. The transmission of the force to the fixture 91 can be reduced.

[0097] In addition, when a fire occurs around the opening 3, the heat of the fire is conducted to the support side fixture 91. Since the suppression unit 100 is provided to suppress the heat of the fire from being transmitted to the support-side fixing device 91, The heat of the fire is transmitted to the support member 2d, and the heat of the fire is transmitted to the support member 2d. This can prevent the device from falling off.

[0098] In addition, the head portion 91a and / or its vicinity of the support side fixture 91 is prevented from being damaged by the suppression portion 100. The suppressing portion 100 is provided on the base member 80 so that the supporting side is not exposed to the outside. The head portion 91a of the fixture 91 and / or its neighboring portion can be prevented from being exposed to the outside. This can prevent the heat of the fire from being transmitted to the support-side fixture 91.

[0099] In addition, by supporting the base member 80, the load acting on the support side fixture 91 is reduced. Therefore, for example, the weight of the opening / closing body 30 and the winding shaft 40 may cause the opening / closing body 30 to The load acting on the support-side fixture 91 can be reduced. d, the stability of the installation of the base member 80 can be improved. .

[0100] [III] Modifications to the embodiment Although the embodiments of the present invention have been described above, the specific configurations and means of the present invention are particularly Any modification or improvement may be made within the scope of the technical ideas of each invention described in the claims. Such a modified example will be described below.

[0101] (About the problem to be solved and the effects of the invention) First, the problems that the invention aims to solve and the effects of the invention are not limited to the above. The present invention does not solve any of the problems described above, and does not solve any of the problems described above. It may also be possible to achieve effects not achieved by the invention itself, or to solve only some of the problems described, or to achieve the effects achieved by the invention itself. It may only have some of the listed effects.

[0102] (shape, numbers, structure, time series) Regarding the components illustrated in the embodiments and drawings, the shape, numerical value, or multiple components may be different. Regarding the interrelationship of element structures or time series, within the scope of the technical idea of ​​the present invention, It can be modified and improved as desired.

[0103] (Various fire-resistant coating materials) In the above embodiment, various fire-resistant covering materials (specifically, the floor-side fire-resistant covering material 72, the support-side fire-resistant covering material The fire-resistance covering material 73 (fire-resistant covering material of the suppression part 100) is made by stacking a plurality of fire-stopping members 71a. However, the present invention is not limited to this. For example, the fire-stopping member 71a and a substitute member located outside the fire stopping member 71a, which is a substitute member for the fire of the support member 2d. Burning substitute materials that suppress the progression of burning or carbonization (for example, wooden laminated lumber, wooden plywood, or or a combination thereof). Alternatively, a single layer of fire-retardant material 71a.

[0104] (About the base material) In the above embodiment, the base member 80 is made up of the intermediate vertical frame member 84, the upper floor side horizontal frame member 85, and the ceiling Although the description has been given of the well-side horizontal frame member 86, it is not limited to this, and for example, the intermediate vertical frame member 84, the upper At least one of the floor-side horizontal frame member 85 or the ceiling-side horizontal frame member 86 may be omitted. In addition, if the intermediate vertical frame member 84, the upper floor side horizontal frame member 85, and the ceiling side horizontal frame member 86 are omitted, The driving side vertical frame member 82 and the driven side vertical frame member 83 are not connected to each other, but are provided separately. This may also be done.

[0105] In the above embodiment, the frame material 81 of the base member 80 is made of a steel pipe material. However, this is not limited to this. For example, it may be made of H-shaped steel or U-shaped steel. Alternatively, the frame material 81 (for example, a flat steel material, a steel material, etc.) without the storage space 81a may be used. It may be constructed of a steel frame (angle iron).

[0106] (Regarding the fixing structure of the bearing means) In the above embodiment, the head portion 91a of the support-side fixture 91 is fixed to each frame member 80 of the base member 80. The support-side fixture 91 is provided so as to be accommodated in the accommodation space 81a of the support-side fixture 91. However, the present invention is not limited to this. For example, the head portion 91a of the support side fixture 91 may be formed on the base member 8. It may be provided so as to be located outside of 0.

[0107] In the above embodiment, the fixing structure includes the suppressing portion 100 and the reinforcing portion 110. However, the present invention is not limited to this, and for example, at least one of the suppressing portion 100 and the reinforcing portion 110 may be Either one may be omitted.

[0108] In the above embodiment, the reinforcing portion 110 is provided below the base member 80. However, the present invention is not limited to this, and the light source 10 may be provided above the base member 80. In the above, the reinforcing portion 110 is fastened to the support member 2d and / or the upper floor member 2c by the reinforcing fastener 92. Alternatively, the base member 80 may be fixed by a Good too.

[0109] (Addendum) The fixing structure of the bearing means of appendix 1 is a structure for opening and closing an opening provided in the framework of a building. A bearing means for rotatably supporting the winding shaft for closing movement is provided in the member constituting the body. The outer surface of the structure is covered with fire-resistant covering material and is fixed to a wooden support member. a base member provided between the bearing means and the fire-resistant covering material, and a base member to which the fire-resistant covering material is attached, a fastener inserted into the support member to fix the bearing means to the support member; When a fire occurs around the opening, the heat of the fire is prevented from being transmitted to the fixture. The suppressing means is arranged to cover the outer surface of the base member. It was established.

[0110] The fixing structure of the bearing means of Supplementary Note 2 is the fixing structure of the bearing means of Supplementary Note 1, wherein the suppressing The restricting means is provided so as to cover the exposed surface of the outer surface of the base member.

[0111] The fixing structure of the bearing means of Supplementary Note 3 is the fixing structure of the bearing means of Supplementary Note 1 or 2, The base member is constructed by combining a plurality of frame members each having a storage space, and the fixing device The fixture is provided so that the head portion is accommodated in the accommodation space.

[0112] The fixing structure of the bearing means of Supplementary Note 4 is the fixing structure of the bearing means of any one of Supplementary Note 1 to 3. In the structure, the head portion and / or the adjacent portion of the fixing tool are prevented from being broken by the restraining means. The suppression means is provided on the base member so as not to be exposed to the outside.

[0113] The fixing structure of the bearing means of Supplementary Note 5 is the fixing structure of the bearing means of any one of Supplementary Note 1 to 4. In the structure, the load acting on the fixing device is reduced by supporting the base member. It is provided with a reinforcing means for [Explanation of symbols]

[0114] 1 Switchgear 2 skeleton 2a inner wall 2b Ceiling material 2c Upper floor material 2d Support member 2e Lower floor material 2f pillar material 3 Opening 10 Storage area 10a Lintel 10b Lintel opening 11 Drive side bearing plate 12 Drive side mounting part 13 Driven side bearing plate 14 Driven side mounting part 15 Case board 20 Guide rail 30 Opening and closing body 31 Slats 32 Seat board 40 Winding shaft 41 Drive side shaft 42 Winding shaft side sprocket 43 Driven side shaft 52 Transmission member 60 Opening and Closing Machine 61 Connection plate 71a Fire-retardant material 72 Floor side fireproof covering material 73 Support side fireproof covering material 80 Base material 81 Frame material 81a Containment Space 82 Driving side vertical frame member 83 Follower side vertical frame member 84 Intermediate vertical frame material 85 Upper floor horizontal frame 86 Ceiling side horizontal frame material 90 Base fixing device 91 Support side fixture 91a Head part 92 Reinforcement Fixtures 100 Suppression part 101 Upper restraint part 102 Lower suppression part 110 Reinforcement 111 1st reinforcement piece 112 Second reinforcement piece 113 Third reinforcement piece M Maximum winding diameter

Claims

1. A fixing structure for fixing a bearing means, which rotatably supports a winding shaft for opening and closing an opening / closing mechanism that opens and closes an opening in the building's structure, to a support member, The support member is a wooden member whose outer surface is covered with a fire-resistant coating, and the support member is located in the ceiling space above the ceiling material. In the aforementioned ceiling space, a base member is provided between the bearing means and the fire-resistant covering material, and comprises a base member to which the bearing means is attached. The bearing means is fixed to the support member by a fastener inserted into the support member so as to penetrate the base member and the fire-resistant coating material. A fixing structure for bearing means.

2. The support member is a wooden beam whose outer surface is covered with a fire-resistant coating. The fixing structure for the bearing means according to claim 1.

3. The system includes a suppression means for preventing the heat from a fire from being transmitted to the fastener when a fire occurs around the opening. The fixing structure for the bearing means according to claim 1 or 2.

4. The restraining means is provided on the base member so that the head portion and / or the portion near the head portion of the fastener is not exposed to the outside. The fixing structure for the bearing means according to claim 3.

5. The device is equipped with reinforcing means to reduce the load acting on the fixing device by supporting the base member. A fixing structure for a bearing means according to any one of claims 1 to 4.

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