JP6475272B2 - Sheet shutter device and sheet replacement method of sheet shutter device - Google Patents

Description

  The present invention relates to a sheet shutter device, and more particularly to a sheet in which the damaged portion can be replaced when the sheet of the sheet shutter device is damaged, and a method for replacing the sheet.

  The sheet shutter device is provided as a mechanism that opens and closes at a high speed in an opening of a factory, a warehouse, or the like. In factories and warehouses, forklifts sometimes carry goods, but there are many cases in which the sheet of the sheet shutter device is damaged when the tip of the forklift comes into contact with the sheet.

  When the sheet of the sheet shutter device is damaged, exchanging the entire sheet requires a large amount of work, takes a work period, and causes a minus such as an increase in replacement cost. Therefore, a method in which the lower part of the sheet including the damaged part is completely cut and the new sheet is bonded without replacing the entire sheet, or the sheet is composed of a plurality of sheet members in advance, and the lower end of the upper sheet member A plurality of sheet members are detachably connected to each other by using a connecting member at the upper end of another sheet member. By adopting such a configuration, when a part of the sheet is damaged, it is possible to replace only the damaged sheet member without replacing the entire sheet.

  Patent Document 1 discloses a screen device that can replace only a member below a sheet shutter. For this, a method is disclosed in which cooperation means (joint portion) that cooperates so that the upper and lower sheet members can be separated is provided in the sheet in advance, and thereby the upper and lower sheet members are cooperated. Moreover, the structure which provided the fastener in the edge part which an upper and lower sheet | seat member opposes is also disclosed, respectively. In this configuration as well, the upper and lower sheet members are provided with cooperation means (joint portions) in the sheet in advance.

  In Patent Document 2, as a method of preventing the seat from being damaged by contact with a forklift or the like, a structure in which the aggregate at the lower end portion of the aggregate supporting the seat is separated from the guide rail of the seat is adopted. The structure prevents the damage. This method also needs to be configured so that it can be removed from the guide rail provided in advance in the aggregate. When the sheet shutter itself and the sheet shutter device become expensive, the sheet is damaged or damaged. It does not solve the basic problem of how to efficiently replace sheets.

JP 2000-005332 A JP 2003-148065 A

  It is an object of the present invention to easily realize replacement of only a damaged or soiled sheet portion when the sheet of the sheet shutter device is damaged or soiled.

A first invention of the present invention is a sheet shutter device that is disposed in an opening of a building or the like and opens and closes the opening by winding and unwinding the sheet, and the sheet has a droplet-shaped space in cross section A plurality of pipe accommodating portions are arranged in the opening width direction, a rod-like or pipe-like support member is accommodated in the pipe accommodating portion, and a substantially triangular space formed by the seat, the support member, and an accommodating cover, A sheet fixing bracket having a V-shaped cross section is accommodated in the opening width direction so as to be embraced with the support member, and used for replacement between the sheet fixing bracket and the sheet pressing bracket attached from the surface side of the sheet. The sheet shutter device is characterized in that the sheet member is clamped and fixed with the sheet member interposed therebetween.

According to a second aspect of the present invention, there is provided a sheet replacement method for a sheet shutter device that is disposed in an opening of a building or the like and opens and closes the opening by winding and unwinding the sheet, wherein a plurality of sheets are arranged in the opening width direction of the sheet. A cross-section is V-shaped in a substantially triangular space formed by a bar-like or pipe-like support member accommodated in a pipe accommodating portion in which the provided cross-section forms a droplet-like space, the sheet, and the accommodation cover. A sheet-shaped sheet fixing bracket is inserted in the width direction of the opening and disposed in a direction to tie the support member, and a replacement sheet member is disposed between the sheet fixing bracket and the sheet pressing bracket to be attached from the surface side of the sheet. A sheet replacement method for a sheet shutter device , wherein the screws are fastened and fixed in a sandwiched state .

  According to the present invention, the sheet replacement of the sheet shutter device can be performed only for a damaged or soiled sheet portion, and the replacement work can be provided at low cost.

  Since the replacement jig to be attached at the time of repair can be manufactured by plate bending, drilling, and threading, it can be manufactured without using a molding die such as a die-cast, mold, etc., so that the replacement jig is manufactured at a low cost. be able to.

  Since the seat can be repaired on the ground, if the seat is small in size, it can be repaired by one worker. In addition, since there is no work at a high place, it is not necessary to use an aerial work vehicle, and the cost and time required for repair work can be greatly reduced.

  According to this method, the repair of the sheet is an operation such as screw tightening and fixing using an exchange jig (sheet fixing bracket, sheet pressing bracket), and does not require complicated operations such as thermal welding of the sheet, Skill is not required. The reliability of quality can be maintained by repairing the seat.

  Since the replacement jig is attached at the time of repair, it is possible to develop the product without considering the replacement jig at the stage of designing and developing the product. Simplification can be expected, and the product development period can be shortened and the development cost can be reduced.

Since the replacement jig is inserted into a substantially triangular space in the droplet-like space, it does not cause trouble even when the sheet is wound, so that it is not necessary to remove it after the repair, and the construction period can be shortened.
Furthermore, as a method of actively utilizing this replacement method, it is possible to change the existing sheet shutter device from transparent to opaque sheet, and conversely from opaque sheet to transparent sheet. It is possible to change from a non-permeable sheet to a breathable mesh sheet, and conversely from a breathable sheet to a non-breathable sheet. A versatile sheet shutter device can be provided at a low installation cost.

It is a figure which shows typically the whole structure of one Example of the sheet shutter apparatus of this invention. It is a figure shown in the partial cross section of one Example of the winding mechanism of the sheet shutter apparatus of this invention. It is a figure which shows the side view of one Example of the sheet shutter apparatus of this invention. It is a figure which shows the upper view of the sheet shutter apparatus of this invention. It is a figure which shows the cross-section of the pipe accommodating part of this invention. It is a figure which shows typically sheet | seat exchange by the sheet | seat fixing metal fitting and sheet | seat pressing metal fitting in the pipe accommodating part of this invention. It is a figure which shows one Example of the sheet | seat fixing metal fitting of the pipe accommodating part of this invention, and a sheet | seat pressing metal fitting.

The overall configuration of the sheet shutter device 1 of the present invention will be described with reference to FIGS.
FIG. 1 is a diagram schematically showing the overall configuration of a sheet shutter device 1 according to the present invention.
The basic structure of the sheet shutter device of the present invention is as detailed in Japanese Patent Application Laid-Open No. 6-158963, which is an application of the present applicant. An outline will be described below.

  The sheet shutter device 1 includes a seat case 2 that accommodates a rotor pipe 4 and the like therein, sheet guides 3 and 3 ′ installed in parallel below the seat case 2, an M side plate 5 and an L side plate that will be described later (FIG. 2). 6 constitutes a gate-like frame, and the upper end is fixed to the rotor pipe 4 and the seat 11 whose side ends are fitted and guided to the guide portions 3a and 3a 'on the inward side surfaces of the seat guides 3 and 3' can be moved up and down. Have.

  The pipe accommodating portion 12 does not overlap the sheet 11 during winding so as not to be separated from the guide portions 3a and 3a ′ due to wind or the like and to serve as a weight that prevents sagging of the sheet 11 during winding and unwinding. As shown in FIG. Although the material of the sheet | seat 11 is not specifically limited, The resin sheet which has transparency is desirable.

  Although not shown, a control box containing switches for raising and lowering the seat and for stopping is installed at a desired portion of the sheet guides 3 and 3 ', or installed separately from the sheet shutter device 1 depending on the installation location. You can also.

FIG. 2 is a cross-sectional view showing a part of the main part of the sheet shutter device 1 according to the present invention.
The seat shutter device 1 includes a seat case 2 that houses a rotor pipe 4 and the like, and an L side plate 6 that has a pillow block mounting seat 61 on the inside at one end of the seat case 2. An M side plate 5 that holds a rotation driving motor 8 of the rotor pipe 4 and is screwed and fixed so as to be integrated with the seat case 2 is disposed in the section.
Further, sheet guides 3 and 3 ′ disposed in parallel downward from each of the L side plate 6 and the M side plate 5 are disposed.

  The rotor pipe 4 has an L wheel 10 which is one of the rotating shafts of the rotor pipe 4 at one end, and is screwed and fixed from the outer periphery of the rotor pipe 4 by an L wheel fixing bolt 101. A pillow block 7 serving as a rotary bearing of the rotor pipe 4 is fixed to the wheel 10 by screwing to the rotary shaft of the L wheel 10. Further, an M wheel 9 having a spline bearing 92 that receives the rotational driving force of the motor 8 and rotates the rotor pipe 4 is screwed and fixed by an M wheel fixing bolt 91 at a substantially intermediate portion of the rotor pipe 4. .

The rotor pipe 4 is inserted into the seat case 2, and the pillow block 7 disposed on the rotor pipe 4 is aligned and inserted into the pillow block mounting seat 61 of the L side plate 6.
The motor 8 is inserted into the rotor pipe 4 from the other end of the rotor pipe 4, the spline shaft 81 is inserted into the spline bearing 92 of the M wheel 4, and is fixed to the M side plate 5 with a motor fixing bolt 82.

After that, the pillow block 7 on the L side plate 6 side is screwed and fixed to the pillow block mounting seat 61 by the pillow block fixing bolt 62. Here, with respect to the pillow block 7, the rotor pipe 4, and the motor 8, the shaft center is adjusted in order to obtain a smooth integral rotation when screwing and fixing.
Thus, the rotational drive of the motor 8 is transmitted to the rotor pipe 4 via the spline shaft 81, the spline bearing 92, and the M wheel 9. Also, the upper end is fixed to the rotor pipe 4 and the guides on the inward side surfaces of the sheet guides 3 and 3 ′. It has the sheet | seat 11 by which a side end is inserted and guided so that raising / lowering is possible in part 3a, 3a '.

  An upper end of a rectangular sheet 11 made of a light-transmitting and flexible synthetic resin material is fixed to the rotor pipe 4 along the axial direction, and the sheet 11 is rotated by forward and reverse rotation of the rotor pipe 4. The feeding and lowering and lifting and lowering are performed. On the front side of the seat 11, pipe accommodating portions 12 are provided in a number of stages, and a support member 121 having a certain rigidity and being as light as possible is inserted into each pipe accommodating portion 12. Maintaining straightness.

As shown in FIG. 3, when the pipe accommodating portion 12 of the seat 11 is wound around the rotor pipe 4, a large number of pipe accommodating portions 12 and support members 121 are accommodated without overlapping on the outer periphery of the rotor pipe 4. The interval is set so that it can be done. This interval is appropriately set based on the relationship between the diameter of the rotor pipe 4 and the support member 121 and the length of the seat 11 and the opening height.
A rod-like seat weight 13 is inserted into the lower end of the seat 11 to maintain the straightness of the lower end of the seat so that the seat 11 is sufficiently installed, and the entire seat 11 suspended from the rotor pipe 4 is tensioned to smoothly move up and down. To do.

  The rotor pipe 4, M wheel 9, L wheel 10, pillow block 7, motor 8, and the like built in the seat case 2 are collectively referred to as a winding mechanism.

  As shown in FIG. 4, the left and right sheet guides 3 and 3 'are arranged in a pair of vertical directions formed in a substantially concave shape by a thin plate, and both ends of the sheet 11 are accommodated in the concave portions and guided so as to be raised and lowered. Band-shaped guide portions 3a and 3a 'are formed.

  The pipe accommodating part 12 is demonstrated. As shown in FIG. 5, the pipe housing portion 12 is installed at a predetermined position of the sheet 11 by adhering or welding the housing cover 122 to the sheet 11 so that a support member 121 can be incorporated. As shown in FIG. 5, the cross section direction of the storage cover 122 is a substantially triangular shape in which the sheet 11 and the storage cover 122 form a droplet-shaped cross section, and the sheet 11, the support member 121, and the storage cover 122 are formed. It becomes a structure with the space of. The housing cover 122 is preferably made of the same material as the sheet 11, but is not limited thereto.

Adhesion or welding of the storage cover 122 to the sheet 11 is first determined by bonding or welding the storage cover 122 downward to the determined position of the sheet 11 (A in FIG. 5), and then folding back upward. Adhesion or welding is performed at the position of the sheet 11 (B in FIG. 5). Since these adhesion or welding becomes work in the manufacturing factory, the reliability of the work is high, and sufficient adhesion or welding strength can be secured.
The present invention relates to a sheet using a substantially triangular space illustrated in FIGS. 5 and 6, a sheet shutter device, and a sheet replacement method.

An embodiment of the present invention will be described with reference to FIGS.
In FIG. 6, a case where the mark X of the sheet 11 shown in FIG. 1 is damaged will be described as an example. The sheet 11 is cut and removed from a position immediately below the pipe housing portion 12 immediately above the position where the sheet main body 11 is replaced. The sheet fixing bracket 123 is inserted into the substantially triangular space described with reference to FIG. 5 of the pipe accommodating portion 12 immediately above the replacement position (in FIG. 1, the pipe accommodating portion immediately above the damaged portion is N) and attached. At this time, positioning is performed by pressing down the sheet fixing bracket 123 until it comes into contact with the support member 121 in the entire sheet width direction. First, an embodiment in which the opaque sheet 125 is not used will be described with reference to FIG.

When referring to the entire sheet, in the sheet 11 and sheet exchange, the part where the sheet is not exchanged (the upper part of the winding when viewed in the installed state) is represented as the sheet body 11, and the new sheet member to be exchanged is represented as the sheet member 111.
Thereafter, a new sheet member 111 to be replaced is mounted on the sheet main body 11, and the sheet pressing metal fitting 124 is placed from the front surface side of the sheet main body 11, whereby preparation for sheet replacement is completed.

Here, when the new sheet member 111 to be replaced is mounted on the sheet main body 11, the upper end portion of the sheet member 111 covers the screw portion of the sheet presser fitting 124 when it is bent at the end of the sheet presser fitting 124. Protrusively long enough to wear.
Thereafter, the M4 flat head screws are used to fasten and fix the fastening holes provided in the sheet presser fitting 124.
Further, the sheet member 111 is bent to the front surface side so as to cover the sheet pressing metal fitting 124, and the bent front end portion is attached to the sheet member 111. As a result, the screw portion is covered and the sheet main body 11 including the sheet member 111 can be kept in the same color, and the sheet aesthetics can be maintained.

First, a sheet replacement procedure in which a part of the sheet member 111 is used to cover the screw portion without using the opaque sheet 125 will be described below.
(1) The sheet 11 is cut off from the position immediately below the pipe accommodating portion 12 immediately above the sheet portion corresponding to the replacement of the sheet 11, and only the sheet main body 11 to be continuously used is left.
(2) The V-shaped sheet fixing bracket 123 is inserted into the substantially triangular space indicated by the pipe housing portion 12 in FIG. Push down to the bottom to position.
(3) The sheet member 111 and the sheet body 11 are attached in consideration of linearity so as not to bend. At this time, an M4 screw head used for fixing, which will be described later, is covered, and a dimension for making it invisible is projected longer, and is attached to the attachment portion of the sheet member 111 from the surface side of the sheet main body 11.
(4) The sheet pressing metal 124 is aligned and placed with the sheet fixing metal 123 on the back surface of the sheet main body 11.
(5) Using the mounting hole of the sheet pressing metal member 124, the sheet member 111 is screwed and fixed in a state of being sandwiched between the sheet fixing metal member 123 and the sheet fixing member 123.
(6) Further, the sheet member 111 is folded in a state where the screw head is covered from the upper end portion of the sheet presser fitting 124 so as to be invisible and the screw of the sheet presser fitting 124 is covered. The end of each part is bonded to the sheet member 111.

  Next, the case where the opaque sheet 125 is used will be described. As shown in FIG. 6, when the sheet is replaced, an opaque sheet 125 is used between the sheet main body 11 and the sheet member 111 so as to bend and cover the screw head so as to be invisible.

The exchange procedure is as follows.
(1) The sheet 11 is cut off from the position immediately below the pipe accommodating portion 12 immediately above the sheet portion corresponding to the replacement of the sheet 11, and only the sheet main body 11 to be continuously used is left.
(2) The V-shaped sheet fixing bracket 123 is inserted into the substantially triangular space indicated by the pipe housing portion 12 in FIG. Push down to the bottom to position.
(3) An opaque sheet 125 that covers an M4 flathead screw head used for fixing, which will be described later, and is made invisible from the exterior, is attached to the attachment portion of the sheet member 111 from the surface side of the sheet body 11.
(4) The sheet member 111 is attached to the surface side of the opaque sheet 125 of (3) so that there is no bending in the vertical direction with the sheet body 11.
(5) The sheet pressing metal 124 is positioned and placed with the sheet fixing metal 123 on the back surface of the sheet main body 11.
(6) Using the attachment hole of the sheet pressing metal 124, the opaque sheet 125 and the sheet member 111 are clamped and fixed with M4.
(7) Further, the opaque sheet 125 is folded from the upper end portion of the sheet pressing metal 124, and the opaque sheet 125 is pasted with a double-sided tape in a state where the screw head of the sheet pressing metal 124 is covered. Since the opaque sheet 125 can be of any color, a design effect can be obtained. In addition, any material that can withstand the lifting and lowering of the sheet body 11 in terms of feeding and lowering and lifting and lowering can be selected.

The sheet fixing bracket 123 and the sheet pressing bracket 124 will be described with reference to FIG.
FIG. 7 a) shows the sheet fixing bracket 123. The material is a SECC (electrogalvanized) steel plate, t1.6, the cross section is V-shaped, and the angle is 60 degrees. If there is no problem in terms of strength and corrosion resistance, other materials may be used. The length is appropriately set in accordance with the opening width of the sheet shutter device 1, but in this example, it is 2,960 mm, and the length used for the sheet shutter device 1 having an effective opening width of 3.0 m is shown. The length is appropriately set according to the effective opening width of the sheet shutter device 1 and manufactured.

  A plurality of M4 screw holes for fastening and fixing to the sheet presser fitting 124 are provided at equal intervals on the V-shaped rear surface of the sheet fixture 123 along the central axis. Although nine are provided in this example, the number can be appropriately set according to the effective opening width of the sheet shutter device 1.

FIG. 7b) shows the sheet pressing metal 124, which is made of SECC (electrogalvanized) steel plate, t1.6, and has a flat cross section. If there is no problem in terms of strength and corrosion resistance, other materials may be used. The length is set as appropriate according to the opening width of the sheet shutter device 1 as in the case of the sheet fixing bracket 123. In this example, the length is 2,960 mm and is used for the sheet shutter device 1 having an effective opening width of 3.0 m. Indicates what to do. The length is appropriately set according to the effective opening width of the sheet shutter device 1 and manufactured.
A plurality of countersunk holes (M4 countersink in the figure) for M4 countersunk screws for fixing to the sheet fixing bracket 123 are provided at equal intervals along the central axis. Although nine are provided in this example, the number can be appropriately set according to the effective opening width of the sheet shutter device 1.
Here, the screw for fastening and fixing the sheet fixing bracket 123 and the sheet pressing bracket 124 is described as an M4 countersunk screw. However, depending on the length of the seat body 11 in the vertical direction, the opening width, etc., the type and diameter of the screw Can be set as appropriate.

  As described above, the present invention utilizes the substantially triangular space formed by the support member 121 of the pipe housing portion 12 and the housing cover 122 provided on the sheet 11 of the sheet shutter device 1, and when the sheet needs to be replaced. Further, by providing the replacement sheet member 111, the sheet fixing bracket 123, and the sheet pressing bracket 124, the sheet can be easily and inexpensively replaced.

DESCRIPTION OF SYMBOLS 1 ... Sheet shutter apparatus 2 ... Seat case 3, 3 '... Sheet guide 3a, 3a' ... Guide part 4 ... Rotor pipe 5 ... M side plate 6 ... L side plate 61 ... Pillow block mounting seat 62 ... Pillow block fixing bolt 7 ... Pillow Block 8 ... Motor 81 ... Spline shaft 82 ... Motor fixing bolt 9 ... M wheel 91 ... M wheel fixing bolt 92 ... Spline bearing 10 ... L wheel 101 ... L wheel fixing bolt 11 ... Seat (seat body)
DESCRIPTION OF SYMBOLS 111 ... Sheet member 112 ... Bending part 12 ... Pipe accommodating part 121 ... Support member 122 ... Accommodating cover 123 ... Sheet fixing bracket 124 ... Sheet pressing metal 125 ... Opaque sheet 13 ... Sheet weight 14 ... Sensor

Claims (2)

A sheet shutter device that is disposed in an opening of a building or the like and opens and closes the opening by winding and unwinding the sheet,
The sheet is provided with a plurality of pipe accommodating portions that form a droplet-shaped space in the opening width direction,
A rod-like or pipe-like support member is accommodated in the pipe accommodating portion,
In a substantially triangular space formed by the sheet, the support member, and the housing cover, a sheet fixing bracket having a V-shaped cross section is disposed in the opening width direction and arranged in a direction to be embraced with the support member,
A sheet shutter device, wherein the sheet fixing bracket and a sheet pressing bracket attached from the front side of the sheet are screwed and fixed in a state where a replacement sheet member is sandwiched. A sheet replacement method for a sheet shutter device that is disposed in an opening of a building or the like and opens and closes the opening by winding and unwinding the sheet,
A rod-like or pipe-like support member accommodated in a pipe accommodation part in which a plurality of sections arranged in the opening width direction of the sheet form a droplet-like space;
The sheet;
In a substantially triangular space formed with the accommodation cover,
A sheet fixing bracket having a V-shaped cross section is inserted in the opening width direction and disposed in a direction in which the support member is entangled,
A sheet replacement method for a sheet shutter device, comprising: fixing a screw with a replacement sheet member sandwiched between the sheet fixing bracket and a sheet pressing bracket attached from the surface side of the sheet.