JP6615741B2 - Seat shutter seat drum mounting structure - Google Patents

Description

  The present invention relates to a seat drum mounting structure for a seat shutter.

  Conventionally, a box-shaped seat case is disposed horizontally above the left and right seat guides that are erected with a frontage width, and one end plate is driven to one side of the seat drum in the seat case. The seat drum can be attached and detached by a shaft support structure in which the base side of the motor that is fitted with the body is mounted, and the drum shaft that protrudes to the other side of the seat drum is supported on the bearing provided on the other end plate. There is already known a seat shutter that is provided so as to be rotatable forward and backward and moves up and down a sheet wound around the sheet drum along left and right sheet guides. (For example, Patent Document 1)

  The seat shutter has a unit length (full length) formed between a base end (bottom surface) of a motor built in one (right side) of the seat drum and a shaft end of a drum shaft protruding from the other (left side). Because the length between the left and right end plates (opening width) is approximately equal, the left and right end plates can be used when performing various maintenance operations such as motor inspection and repair and seat replacement cleaning by removing the seat drum from the seat case. With the seat drum removed from the case and removed from the seat drum, the seat drum is moved laterally using the space on the left or right side of the front door, and then the nearest floor using an aerial work machine or a large forklift. Perform maintenance work.

  In addition, the sheet drum made of a polygonal cylinder is slidably fitted in the drum direction with a joint piece that is bent and extended on the outer periphery of a support member provided in the motor with an interval equal to the outer periphery of four equal parts, and is driven forward and reverse. It is configured to The sheet drum is configured to wind up a single sheet in which a base side sheet portion and a sheet main body portion are formed in series.

Japanese Patent No. 3348008

  The seat shutter disclosed in Patent Document 1 is such that when the seat drum is removed and various maintenance operations are to be performed, the total length of the seat drum of the unit structure is close to the length (frontage width) between the left and right end plates. In addition, the seat drum cannot be lowered down through the frontage width as it is with the shaft support means released, and the seat drum must be attached and detached using a large height working machine or the like. Even in the case of a small sheet shutter including a liftable seat drum, it is necessary to remove the end plate and move the seat drum laterally, which makes it difficult to perform maintenance work by one person.

  Furthermore, the seat shutter that is attached and detached by moving the seat drum laterally requires installation in the field with a space outside the frontage on the side of the seat case. Inability to install the case in the left and right front pillars, and the cumbersome and costly attachment / detachment such as removing the seat case from the seat guide or support post using the work implement at a high altitude with the seat drum installed There are problems such as requiring work.

On the other hand, the polygonal cylindrical seat drum that fits the joint piece that is bent and extended at the outer circumference of the drive body provided in the motor is removed without removing the motor from the end plate. On the other hand, it is an assembly structure in which the joining piece is simply brought into contact with the corresponding polygonal flat surface of the polygonal cylindrical drum and fitted, so that it is shocking with forward and reverse rotation drive due to long-term use. With such a load, there is a problem that a looseness is likely to occur in the fitting portion, and troubles such as vibration and noise, and perforation breakage of the drum bending portion contacting the corner portion of the joining piece are likely to occur.
In addition, a single sheet wound around the sheet drum needs to be fully extended when the sheet drum is removed, and the fixing portion of the sheet drum must be released to be removed. There are problems such as complicated and inefficient mounting and winding work.

In order to solve the above problems, a seat drum mounting structure for a seat shutter according to the present invention is as follows. First, a horizontally-facing box-like seat case 4 is provided above left and right seat guides 11 having a frontage width. The seat drum 5 is disposed in the seat case 4 so as to be attachable / detachable and forward / reversely rotatable via a motor 7 and a drum shaft 8b that are mounted and supported on the end plate 6a on one side and the end plate 6b on the other side. In addition, in the seat shutter mounting structure of the seat shutter that moves the seat 2 wound around the seat drum 5 up and down along the left and right sheet guides 11,
The base plate of the motor 7 is provided with upper and lower upper and lower bolts 36c and 36d projecting inwardly on the one end plate 6a, and the drive body 8 is fitted to one side of the seat drum 5 to be installed. on the side, provided with the on bolt 36c and a lower bolted 36d and flexibility freely on the vertical long hole or clearance hole shaped to be inserted into stop hole 36a and the lower stopper hole 36b and the mounting seat 36 which is bored, Further, the bearing portion 8c projecting inwardly from the other end plate 6b and the drum shaft 8b projecting to the other side of the seat drum 5 are engaged with and disengaged from the shaft support posture. By providing a shaft support switching means that can be switched to a non-axial support posture, the drum shaft 8b and the bearing portion 8c are non-axially mounted in a state in which the bottom stop hole 36b of the mounting seat 36 is inserted into the bottom stop bolt 36d. the sheet drum 5 was支姿urging, the under bolted 3 The drum shaft 8b and the bearing portion 8c are switched to the pivot support posture with the other side lifted with d as a fulcrum, and the attachment seat 36 is attached to the one end plate 6a and attached to the seat case 4. A seat drum mounting structure of the seat shutter.

Second, the mounting seat 36 is configured by forming an upper stopper hole 36a and a lower stopper hole 36b in a flat mounting plate that is detachably attached to the base side of the motor 7. .

  Third, the shaft support switching means is configured to support a drum shaft 8b provided to be able to advance and retract on the other side of the seat drum 5 with respect to a bearing portion 8c provided inwardly projecting from the other end plate 6b. It is characterized in that it can be switched between and non-axially supported postures.

  Fourth, a joining piece 35a is formed in a polygonal cylinder by bending and extending the outer periphery of a vertical disk-shaped support member 35 provided in the drive body 8 and the cylinder support 8a with a plurality of equal intervals. While contacting with the corresponding polygonal flat surface of a drum, each contact surface is joined by the rivet, the bolt nut, and other joining members 35b.

  Fifth, the sheet 2 is divided into a base side sheet 2c that is attached to the sheet drum 5 and wound, and a main body 2a that moves up and down along the left and right sheet guides 11, and the base side sheet 2c and the main body The end portions of the portions 2a are joined to each other by a fastener 39 so as to be separable.

According to the sheet guide structure of the sheet shutter according to the present invention for solving the above problems,
According to the present invention, the upper and lower upper bolt and a lower bolt which projects inwardly to the end plate of one side of the sheet casing is provided, the drive member is fitted on one side of the sheet drum interior A mounting seat is provided on the base side of the motor to be drilled with a top hole and a bottom hole in the vertical direction or a fool hole that is inserted into the top and bottom bolts in a flexible manner; and A bearing portion projecting inwardly from an end plate on the other side and a drum shaft projecting on the other side of the seat drum, and a non-axial support posture for engaging and disengaging the shaft by providing the shaft支切switch means for freely switching the, the lower locking hole of the mounting seat in a state of being inserted under bolt, the sheet drum to the drum shaft and the bearing unit in off-axis支姿bias, the lower stop The drum shaft and bearing are switched to the pivot support posture while the other side is lifted with the bolt as a fulcrum. Both the mounting seat and is joined to the end plate on one side it is possible to mount easily the sheet case, removal of the sheet drum can be performed with good efficiency by the above and reverse operation. Accordingly, it is possible to easily and labor-saving the maintenance work of the seat shutter, which is a lightweight structure type in which the seat drum can be lifted artificially, and without using an expensive lifting machine such as an aerial work machine or a forklift. In addition, it is possible to easily perform the lifting operation to a high place with a small number of people, and it is possible to efficiently and cost-effectively perform the assembly of the seat shutter and the maintenance operation of each structural part by the user side.

Said mounting seat, the flat plate-shaped mounting plate removably attached to the base side of the motor, by constituting drilled the upper stopper hole and the lower locking hole, the upper stopper hole and the lower stopper hole puncture Since the provided flat mounting seat can be easily mounted without greatly changing the existing seat shutter, end plate, etc., the seat drum mounting structure can be made simple and inexpensive.

  The shaft support switching means switches the shaft shaft provided on the other side of the seat drum so as to be able to advance and retreat with respect to the bearing portion projecting inwardly from the other end plate between the shaft support posture and the non-shaft support posture. Since the drum shaft can be retracted and easily switched to the non-drum support length by arranging it freely, the drum shaft can be brought into contact with the end plate and nearby objects without removing the end plate. The seat drum can be freely rotated up and down within the width of the front door, and the drum shaft can be pulled out and set at the shaft support position where the seat drum is lifted. It is possible to facilitate the work.

  A joining piece obtained by bending and extending the outer periphery of a vertical disk-like support member provided in the drive body and the cylinder support body with a plurality of equal intervals is formed on a corresponding polygonal flat surface of a drum formed in a polygonal cylinder. In addition to the contact, the contact surfaces of each other are joined by rivets, bolts, nuts, or other joining members, so that the cylinder rigidity and strength of the seat drum can be increased and the weight can be reduced. It is durable against impact loads during rotation and prevents easy deformation and bending.

  The sheet is divided into a base side sheet that is attached to a sheet drum and wound up, and a main body that moves up and down along the left and right sheet guides, and the base side sheet and the main body are separated from each other by fasteners. By joining together, a sheet shutter having a fastener-divided structure sheet can be easily replaced with a simple and inexpensive configuration in accordance with breakage or deterioration of the main body, Normal maintenance work such as cleaning of the soiled part can also be made promptly. Further, since the heavy main body can be easily removed from the seat, the seat drum can be easily attached and detached, and the seat attachment operation can be performed efficiently and efficiently.

FIG. 2 is a front view showing a partially broken sheet shutter to which the present invention is applied. It is a side view which shows the structure of the right side part of the end plate of FIG. It is a side view which shows the structure of the left side part of the end plate of FIG. It is a left front expanded front view which shows the structure of a seat case and a seat guide. The structure of the seat guide including a support | pillar is shown, (a) is a plane sectional view which shows the structure of a seat guide and an attachment bolt, (b) is a front view of (a). It is right side sectional drawing which shows a seat drum and a drive body. It is a left side sectional view showing a seat drum and a cylinder support. 3 is a side view showing the structure of a sheet drum, a cylinder support, and a sheet 2. FIG. It is a front view which shows the aspect of the attachment or detachment operation | work of a sheet | seat. The aspect of the attachment / detachment means of a seat drum is shown, (a) is a front view which shows the aspect of the raising / lowering operation | work of a seat drum, (b) is a side view of a mounting seat. It is a front view which shows the 1st temporary support attitude | position of a sheet drum. It is a front view which shows the 2nd temporary support attitude | position of a sheet drum. It is a front view which shows the 3rd temporary support attitude | position of a sheet drum.

  An embodiment of the present invention will be described with reference to the drawings. The illustrated seat shutter 1 is mainly installed at a doorway of a building, and includes a shutter seat 2, a support column 3 as a side frame (guide support member) that supports the left and right sides of the shutter, and guides up and down movement in the vertical direction. 3 is composed of a seat guide 11 as a guide rail member attached along 3, a cylindrical seat case 4 having an opening / closing mechanism for the seat 2, and the like.

  The left and right columns 3 are installed along the columns and walls at the left and right of the entrance and exit, and the seat case 4 is mounted sideways along the beam or wall of the building. The seat guide 11 is assembled to the front wall side of the column 3. Thus, the sheet shutter 1 is configured to wind the wound sheet 2 along with the forward / reverse rotation of the seat drum (feeding device) 5 housed in the seat case 4 by the seat drum mounting structure (drum attaching / detaching means) according to the present invention. It is possible to open and close the doorway (frontage) by moving up and down on both sides of the sheet along the left and right sheet guides 11.

  First, the overall configuration of the sheet shutter 1 will be described with reference to FIGS. The seat case 4 forms a hollow case chamber by detachably providing end plates 6a and 6b on both sides of a case body 6 having a cylindrical structure with a square cross section in a side view, and a right and left end plate in the case chamber. A polygonal cylinder or a cylindrical sheet drum 5 that is rotatably supported with respect to 6a and 6b is accommodated in the drum axial direction. An opening 6c having a frontage width that allows the seat 2 to move up and down is formed in the lower rear portion of the case body 6, and left and right seat guides 11 are erected on both sides of the opening 6c. In addition, the case main body 6 of the embodiment is detachable from the left and right ends of the front side wall 6d, the lower side wall 6e, the upper side wall 6f, and the rear side wall 6g to attachment pieces formed on the outer peripheries of the end plates 6a and 6b. It has a rigid structure attached.

  The right end plate 6a is fixed to a motor base portion (bottom surface) for detachably mounting a cylindrical motor 7 provided on the inner side surface of the seat drum 5 so as to enter the seat drum 5 at a predetermined depth in the lateral direction. One side (right side) of the seat drum 5 is attached and supported via a mounting seat 36 described later. The motor 7 is configured to drive the seat drum 5 in the forward and reverse directions by joining the driving body 8 provided on the drive shaft 7a to the inner surface of the seat drum 5 by joining means described later with reference to FIGS. Yes.

The left end plate 6b projects inwardly at the center of the inner surface thereof, and a bearing portion 8c that supports the drum shaft 8b provided on the cylinder support 8a that is fitted on the other side (left side) of the seat drum 5 so as to be detachably supported. Has been established.
The seat drum 5 is horizontally supported between the end plates 6a, 6b in the seat case 4 by the motor 7, the mounting seat 36, the drum shaft 8b, and the bearing portion 8c. The frontage is opened and closed by lowering (advancing) and raising (retreating).
The opening / closing operation of the seat 2 is performed by the motor 7 based on the manual operation command of the operation switch 9a installed on the control panel 9 and the detection commands of the detection units 9b and 9c for detecting the passing body as in the conventional case. This can be performed by forward / reverse rotation control.

  The sheet 2 is made of a rectangular curtain made of a synthetic resin material having flexibility, and the upper end is attached to the peripheral surface of the sheet drum 5 along the axial direction. The seat 2 is provided with engaging protrusions 10 that are extruded by an elastically deformable plastic material along both side edges of the curtain body, and the rail-shaped sheet guides 11 that are respectively attached to the left and right columns 3 are provided with engaging protrusions. 10 is accommodated so as to be slidable up and down by a guide structure which will be described later. As a result, the seat 2 is moved up and down while holding the sheet tension in the lateral direction while preventing the sheet from coming off on both sides.

  Further, the lower end of the seat 2 is airtight to the ground or the floor surface (hereinafter referred to as the floor surface) in the closed state in which the seat 2 is lowered to maintain the straightness in the horizontal direction. The grounding portion 12 is also provided as a weight portion that urges the seat 2 to descend. The grounding portion 12 urges and extends the seat 2 downward by the weight of the weight to ensure airtightness with the floor surface at the time of grounding, and in a person, a vehicle, or a frontage that passes when the seat 2 descends. It has a buffer structure when it comes into contact with a passing body such as an existing article.

  Next, the column 3 and the sheet guide 11 will be described with reference to FIGS. The seat shutter 1 according to the embodiment has a frontage having a height of 2500 mm and a width of about 2000 mm, and the column 3 has a front-rear width of about 50 mm, a left-right width of about 50 mm, and a wall thickness of about 2.3 mm. The steel square pipe has a square hollow cross section. As a result, the strut 3 can easily use a steel square pipe commercially available as a steel frame standard product for building materials, and a desired strut can be obtained simply by cutting the strut length to about 2800 mm.

  As shown in FIG. 1 and FIG. 2, the two struts 3 on the left and right are connected to each other by an upper connecting member 3a which is a reinforcing steel frame having a U-shaped cross section or an L shape. The left and right support columns 3 and the upper connecting member 3a constitute a portal-shaped support frame. The upper connecting member 3a has a front and rear width of 50 mm, a vertical width of 30 mm, a frontage width of 2000 mm, a plate thickness of about 1.6 mm, and a mounting height from the floor surface of about 2600 mm. The total length of the seat drum 5 is about 1970, and the drum assembly length of the unit structure in which the motor 7, the mounting seat 36, and the drum shaft 8b are assembled to this is about 2095 mm, and the drum shaft 8b protrudes from the left end of the drum. Is about 70 mm.

  The on-site installation work of the seat shutter 1 is as follows. First, a column frame is attached to an entrance structure member of a building or an opening structure member such as a wall member by an appropriate means, and then seat guides respectively corresponding to the right and left columns 3 standing upright. 11 is attached by guide attaching means to be described later, and then the left and right and upper and lower sides of the seat case 4 are attached to the upper part of the column 3 by attachments 3c such as drill bolts, and the control panel 9 is attached to an appropriate place in the vicinity.

  Next, the sheet guide 11 will be described with reference to FIGS. First, each sheet guide 11 that guides and supports both sides of the sheet 2 so as to be able to advance and retreat is made of a synthetic resin rail manufactured by an extrusion mold or the like in a cross section of a guide body having various functional spaces and rail walls.

  The left sheet guide 11 will be described with reference to FIGS. The right sheet guide 11 is manufactured in a symmetrical structure with the left one, and the description thereof is omitted. The seat guide 11 has a substantially square rail cross section with a front wall 11a, a rear wall 11b, an outer wall (left wall) 11c, and an inner wall (right wall) 11d. The 11b side is detachably attached to the front wall of the column 3. The seat guide 11 constitutes an outer rail 14 with parallel front and rear side walls forming a groove-like opening portion 13 on the inner wall 11d side that becomes the front side wall.

  The outer rail 14 is detachably mounted by fitting an inner rail 16 having a U-shaped cross section in a plan view in a groove-like opening 13 formed between front and rear side walls so as to be slidable in the left and right and up and down directions. In the illustrated inner rail 16, an engaging guide 16b having a hook with its tip end bent inward is projected from both the front and rear sides of a rail bottom wall 16a serving as an inner locking portion with an elastic force. Thus, the engagement protrusion 10 of the seat 2 can be inserted and locked in the rail groove having a U-shaped cross section. An upper seat guide 17 is connected to the upper end portion of the inner rail 16.

The outer rail 14, the inner rail 16, and the upper seat guide 17 are formed with wear resistance, predetermined flexibility, and lubricity.
The seat guide 11 has an inner support chamber 20 that communicates with the groove-shaped opening 13 on the inner back side (outward side) of the outer rail 14 and has a substantially square cross section in a plan view and is formed in a vertically cylindrical shape. ing. In the inner support chamber 20, a rail biasing support mechanism 21 for elastically pulling and biasing the seat 2 via the guide mounting means and the inner rail 16 is accommodated and installed.

  The rail urging support mechanism 21 includes a plurality of mounting pins 23 that are inserted into the rail bottom wall 16a side of the inner rail 16 with a mounting interval in the vertical direction and locked to prevent the inner rails 16 from being inserted, and the tips of the mounting pins 23 The inner regulation support 24 inserted from the side and freely contactable with the inner partition wall 20b of the inner support chamber 20 and the inner support support 24 inserted into and supported by the large support pin portion of the mounting pin 23 The coil-shaped spring 26 that presses and urges the wire and the wire-like mounting tool 27 that is inserted in the top end side of each mounting pin 23 that is paired up and down and the like.

  The mounting pin 23 is formed with a step portion of a support pin portion having a large diameter at a predetermined position on the inside thereof. The spring 26 is stably inserted and supported on the outer periphery of the support pin portion, and the pressing force of the spring 26 is pressed. Thus, the inner restriction support 24 is brought into contact with the inner partition wall 20 b of the inner support chamber 20, and the inner rail 16 is elastically supported by the inner restriction support 24. In addition, when the seat 2 moves the inner rail 16 inward strongly, the large stepped portion of the mounting pin 23 resists the spring biasing force and comes into contact with the inner regulating support 24, so that the mounting tool 27 and the inner partition wall The inner rail 16 is prevented from being separated from the outer rail 14 through 20b.

Thus, the seat 2 having a pulling action by the spring 26 is accommodated along the seat guide 11 in a state where the engaging protrusion 10 at the end thereof is accommodated and locked in the inner rail 16 and is elastically pulled toward the left and right sides. The front door is opened and closed with guidance.
On the other hand, for example, when a strong wind pressure is applied to the seat 2 or a forklift or the like abuts and an inward load is applied, the inner rail 16 is connected to the inner side through the engaging protrusion 10 and the engaging guide 16b and against the spring 26. When the force is pulled in the direction and a stronger force is applied, the inner open end of the opposing engagement guide 16b is elastically opened, and the engagement protrusion 10 is pulled out from the engagement guide 16b to engage the both. It is protected so that an overload is not applied to the seat 2 and the inner rail 16 side.

  Further, as shown by a two-dot chain line in FIG. 2, the sheet 2 detached from the engagement guide 16 b is guided by the reverse V-shaped return groove 18 provided downward at the upper end of the sheet guide 11 by rewinding the sheet. When it is housed in the engagement guide 16b on the upper end side and the ground contact portion 12 is raised to the set upper limit position and then lowered again, the engagement projections 10 on both ends of the sheet 2 are directed to the V-shaped return groove 18 with their lower ends facing upward. Thus, it is reinserted into the lower engagement guide 16b and returned to the normal raising / lowering posture.

  The inner rail 16 is detachably fitted with an upper sheet guide 17 manufactured with a synthetic resin material having a rail groove at the upper end. Thereby, the upper sheet guide 17 smoothes the winding guide and the feeding guide of the sheet 2 by the rail groove. The upper sheet guide 17 has a sheet stopper piece 17a projecting inward from the guide main body. The sheet stopper piece 17a can contact the stoppers 33 installed in the vicinity of both sides of the grounding portion 12, thereby restricting the rising of the seating position and higher when the sheet 2 is erroneously wound, thereby causing the grounding portion 12 to be caught. To prevent.

  Here, the guide structure of the shutter sheet end will be described with reference to FIGS. The sheet 2 is attached to both ends of a main body 2a, which is a curtain body, by joining a belt-shaped (or belt-shaped) elastically deformable plastic end member 2b by heat welding or adhesion. ing.

  Further, on the outer end portion of each end member 2b, an engagement protrusion 10 that is continuous in the form of a wire is formed integrally with the end member 2b. The engagement protrusion 10 is formed on the engagement guide 16b having a U-shaped cross section. Inserted into the rail groove hollow portion between the front and rear walls parallel to the left-right direction from the upper side or the lower side, whereby the end member 2b is inserted into the inner side from the upper or lower side of the open end facing each other, It is inserted and locked in the retaining direction by hooks bent in a hook shape in the facing direction.

  Next, the guide mounting means and operation of the sheet guide 11 configured as described above will be described in detail. This sheet guide 11 constitutes various partition walls which become various functional spaces and reinforcing members in a square rail cross section by synthetic resin molding. First, as described above, the groove-shaped opening 13 of the outer rail 14 and the inner support chamber 20 are formed in series in the rail direction between the rear wall 11b and the front partition wall 11e as the front wall side. ing.

  A storage chamber 20a is formed between the front partition wall 11e and the front wall 11a to allow various wirings and store articles such as instruction manuals or tools. The storage chamber 20a has an opening 11f that opens in the rail direction in the front wall 11a side, and a synthetic resin lid 20d that is long in the vertical direction is fitted into the opening 11f by an attaching means such as fitting. It is configured to be open or partially selectable. A photoelectric tube type detection unit 9c is mounted inwardly on the lower side of the storage chamber 20a.

  In the sheet guide 11 that forms the inner support chamber 20 and the like by the cross-sectional structure as described above, the corner portion formed by the adjacent partition walls becomes an effective reinforcing wall member and increases the bending rigidity in the rail direction. The front partition wall 11e and the outer wall 11c can be made as thin as possible. As a result, the seat guide 11 can open the groove-shaped opening portion 13 toward the front side with sufficient rail rigidity, and can return to the original shape by releasing the hand. The rail structure has sufficient flexibility and elasticity.

  Accordingly, the groove-shaped opening 13 can be greatly opened in the direction of the arrow shown in FIG. 5A without causing any trouble such as deformation or cracking in the seat guide 11, and the rail biasing support mechanism 21 or A mounting seat 36 to be described later can be easily taken out. Further, there is a feature that it is easy to perform maintenance work in the inner support chamber 20 such as replacement of the inner rail 16 and replacement of parts.

  The seat guide 11 that can be configured as described above has a structure that can be easily and efficiently attached to at least the front upper and lower positions of the column 3 via guide attaching means provided on the upper and lower portions of the guide body. That is, as shown in FIG. 5, the guide mounting means has a tip screw portion between the fastening means for mounting the two mounting bolts 29 up and down with a predetermined mounting interval and, if necessary, the upper and lower mounting bolts 29. It is constituted by a guide interval restricting means having a lengthened interval restricting bolt or the like which is not shown.

  The mounting bolt 29 and the spacing regulating bolt are both inserted into the inner support chamber 20 through a through hole 11g formed in the front partition wall 11e so as to face both bolts, and can be attached and removed using a tool such as a box spanner. Do. Further, the mounting bolt 29 is a drill bolt, so that the rear side wall 11b of the seat guide 11 is fastened to the column 3 only by screwing the drill bolt at the installation site without processing screw holes or the like in the left and right columns 3 in advance. Can be installed. At this time, when the mounting seat 36 having a U-shape in plan view is used, the rear piece becomes a washer into which the mounting bolt 29 is inserted, thereby enabling stable fastening with a wide seating surface.

  The seat guide 11 configured as described above communicates the groove-shaped opening 13 of the outer rail 14 and the inner support chamber 20 between the outer surface wall 11c and the inner surface wall 11d that are continuous with the front wall 11a and the rear wall 11b of the seat guide 11. From the slide holding posture in which the groove-shaped opening portion 13 of the outer rail 14 is narrowed and the inner rail 16 is slidably held, the groove-shaped opening portion 13 can be pushed and widened by rail groove opening means such as a space regulating bolt. Without removing the guide 11, the inner rail 16 and the rail biasing support mechanism 21 can be easily attached and detached from the opened outer rail 14.

  Thus, the seat guide 11 has a cross-sectional structure in which the groove-shaped opening 13 and the inner support chamber 20 are communicated between the outer wall 11c and the inner wall 11d that are continuous with the front wall 11a and the rear wall 11b. Can be made of synthetic resin by applying flexibility and elasticity to the outer wall 11c side and the front wall 11a side. In addition, the sheet guide 11 made of synthetic resin can open the groove of the outer rail 14 by largely bending the outer wall 11c side or the front wall 11a side to the side without using a hinge structure.

  In addition, the seat shutter 1 which is made of a synthetic resin and can attach the seat guide 11 to the support column 3 by the guide attaching means described above is used for a steel frame or the like, and an inexpensive square pipe is assembled and shipped by the manufacturer. Expenses, for example, a square pipe and the cost of assembling the square pipe to the left and right strut lengths to form a gate-type frame structure with a lateral connection member (beam structure material for struts), and transportation installation to the installation site Cost burden on the user side such as expenses can be reduced.

  In other words, according to the seat shutter 1 including the sheet guide 11 made of a synthetic resin, a column frame structure that is long, complicated and expensive to manufacture on the manufacturer side is manufactured in advance, and a column frame structure on which the user side is standardized in advance in the field. It is easy to install the means (manufacturing manual etc.) by personal computer communication etc. Since the manufacturer only has to send the unit body of the seat case 4 and the two seat guides 11 etc. in a compact packing form, it is expensive. The user can smoothly install the seat shutter 1 with a high degree of user satisfaction without forcing the user to pay for the cost of a simple support frame structure.

  It is desirable to use a drill bolt or a tapping screw in the installation work. In this case, the assembly work can be efficiently performed by omitting the drilling process to the column 3 etc. Maintenance work such as assembly and overhaul repair can be made easier.

  In addition, the sheet guide 11 of the embodiment has a guide structure with a square cross section as a whole by making the storage chamber 20 a have substantially the same cross-sectional area as the inner support chamber 20. And the support | pillar 3 which attaches the sheet | seat guide 11 is also made into the external shape of the same square cross-section as the sheet | seat guide 11. FIG. Thus, the seat guide 11 and the column 3 are configured as a square member that is easy to handle and is lightweight, and when the sheet guide 11 is mounted on the column 3 with the mounting bolts 29, the sheet guide 11 and the column 3 have a wide rectangular cross section in the front-rear direction that is well organized. It can be a rigid structure.

  Furthermore, the synthetic resin sheet guide 11 has at least a front wall 11a, an outer wall 11c, and an inner wall 11d side with respect to the sheet guide 11 attached along the support column 3 within a predetermined height range from the floor surface side ( (For example, about 800 mm) can be detachably covered with an opening that allows the sheet 2 to pass therethrough. In this case, the guide cover 34 does not directly contact a vehicle or a transported object (contact body) moving inside the frontage with the synthetic resin sheet guide 11, so that the guide body of the cover portion is protected, and the guide The cover 34 uses the structure of the seat guide 11 and is detachably mounted in a height range where the vehicle or the like contacts.

  Next, the sheet drum structure, the drum attaching / detaching means, the means for exchanging the sheet 2 with respect to the sheet drum 5, and the like will be described with reference to FIGS. First, as shown in FIGS. 6 and 7, the seat drum 5 of the embodiment is a polygonal cylinder having a dodecagonal cross section, and a drive body 8 and a cylinder support 8a that are inserted into the cylinder from both sides thereof. The space in the frontage is fixed without the lateral movement of the seat drum 5 to the outside of the seat case 4 by attaching the motor 7 side and the drum shaft 8b side to the left and right end plates 6a, 6b of the seat case 4 by the respective mounting structures. It is attached detachably using.

  The driving body 8 and the cylinder support 8a of the embodiment are arranged in an outer periphery in the drum axial direction from the vertical disk-shaped support member 35 with respect to a facing surface facing the outer circumference (circumference) every four equal parts in the dodecagonal cylindrical drum. The joint piece 35a that is bent and extended in the drum direction at intervals equal to 4 is put in contact with the surface, and is positioned at a predetermined depth, and the two that are brought into engagement contact are bolts, nuts, rivets, etc. The fastening member 35b is fastened and joined.

  As a result, the seat drum 5 in the polygonal cylinder ensures the vertical and front / rear direction joining support by the engagement contact and the joining member 35b, and prevents deformation and deflection by joining without causing backlash in the rotational direction. A lightweight structure can be achieved while increasing the cylinder rigidity. And durability with respect to the winding load of the sheet | seat 2 received when the motor 7 rotates forward / reversely, the impact load at the time of forward / reverse rotation, etc. can be improved. Further, the driving body 8 and the cylindrical support body 8a having the above-described shape facilitate the manufacture of the synthetic resin material to facilitate the weight reduction of the seat drum 5. In this case, the joining means with the seat drum 5 is a plate from the drum outer surface. Assembly and seat attachment can be facilitated by inserting a mold nut and fastening it to the joining piece 35a.

Next, the attachment means on the right end side of the seat drum 5 will be described with reference to FIG. 1, FIG. 2, FIG. 6, and FIG. The motor 7 having the mounting seat 36 at the motor base is attached to the drive shaft 7a through a plurality of bolt holes 35c formed in the center of the support member 35. The drive body 8 and the motor 7 are in this state. The main body is inserted and fixed by the joining member 35b.
The mounting seat 36 is fixed to the motor 7, and upper stopper holes 36 a and 36 a formed as long holes or notches in the vertical direction at positions on both sides (front and rear direction) of the motor base, and an intermediate position between the holes. In the lower part of the base, a bottom stop hole 36b formed as a long hole, a vertically-oriented elliptical hole or a fool hole is provided at each vertex of the downward isosceles triangle.

  In the end plate 6a to which the mounting seat 36 is attached, the upper stopper bolts 36c, 36c and the lower stopper bolt 36d are placed inwardly and horizontally at positions where the upper stopper holes 36a, 36a and the lower stopper hole 36b are inserted and supported. It is protruding. As a result, the mounting seat 36 is fastened and fixed by applying the nut 36n in the state where the upper stopper holes 36a, 36a and the lower stopper hole 36b are respectively inserted into the three bolts on the end plate 6a side in accordance with a work mode described later. In addition, the temporary support work performed when the seat drum 5 is attached and detached can be facilitated.

  The other (left end) attachment means of the seat drum 5 is provided with a boss portion 35d that rotatably supports the drum shaft 8b and is slidable in the axial direction on a cylindrical support 8a that is inserted on the left side and fixed by a joining member 35b. A shaft hole (pin hole) 37a is formed at the shaft end provided at the center of the support member 35 and removably engaged with the bearing 8c on the drum shaft 8b. A mounting shaft 37 such as a bolt or a pin as a member is removably inserted.

On the other hand, as shown in FIGS. 3 and 4, the bearing portion 8c projecting inwardly from the end plate 6b is an upward U-shaped bearing piece with the inner side open, and the drum shaft 8b is placed and supported for positioning. In the front and rear bearing pieces, stop holes for inserting the mounting shaft 37 are formed.
As a result, the bearing portion 8c can insert the drum shaft 8b from the inside or above, and in the inserted state the insertion shaft 37 is inserted into the bearing portion 8c and the drum shaft 8b, and a shaft retaining means such as a nut tightener. The shaft support switching means that can be assembled is configured.

The sheet drum structure and the drum attaching / detaching means configured as described above include a drum support length (unit length) in a state where the drum shaft 8b is protruded to the maximum, and a non-drum support length in which the drum shaft 8b is retracted. it is easy to switch it on, when the swing vertically fulcrum lower bolt 36d of the sheet drum 5 by temporary support position, the end plate 6b the drum shaft 8b draw tip swinging locus R (see FIG. 10) In addition, the seat drum 5 can be attached and detached smoothly within the width of the frontage without coming into contact with nearby objects. Then, unlike the drum attaching / detaching means by the conventional sheet shutter 1, the seat drum 5 is not attached / detached in a state in which at least one of the end plates 6a, 6b is removed and the sheet drum 5 is moved laterally outside the frontage. The seat shutter 1 can be housed and installed without gaps between the both columns of the frontage.

  Next, with reference to FIGS. 8 and 9, the sheet attaching means and the sheet exchanging means for the seat drum 5 will be described. The seat 2 in the illustrated example has a main body portion 2a having a width and a length for closing the frontage area, and a base portion having a winding length of one or more turns in a state where the base end side is attached and fixed to the seat drum 5 by the attachment bar 38. It divides | segments into the side sheet | seat 2c, and both have connected the mutual connection end through the fastener 39 so that isolation | separation was possible. As a result, the sheet shutter 1 having the fastener-divided structure sheet 2 can easily replace the sheet due to breakage or inferiority of the main body 2a with a simple and inexpensive configuration, and repair or damage the damaged portion. Regular maintenance work such as cleaning can be done promptly.

  Furthermore, replacement with the seat 2 having other functions such as color, lighting, or breathability adapted to the season can be easily performed through the fastener 39 in the middle of the seat length without removing the base side seat 2c from the seat drum 5. Therefore, the convenience and diversity of the sheet shutter 1 can be enhanced. Further, when the maintenance of the seat case 4 or the seat drum 5 is to be performed with the seat drum 5 removed, the seat 2 can easily remove the heavy body portion 2a, so that the unit weight of the seat drum 5 is reduced. And has features such as easy attachment / detachment.

  For this purpose, the fastener 39 is provided with a connecting fastener portion 39a that meshes in a pair at the front end side width of the base side sheet 2c, and the connected fastener portion 39b is provided at the upper side width of the main body portion 2a, and operates the engagement between the two. A fastener operation portion (slider) 39c is provided on the connection fastener portion 39a on the base side sheet 2c side. Thus, when the maintenance work such as replacement of the main body 2a is desired, the split-type sheet 2 is set at a position where the height of the fastener 39 is extended until it reaches a level where human hands can reach as shown in FIG. Can be stopped.

  Prior to the work of removing the main body 2a, for example, the main body 2a and the base-side sheet 2c are lowered while being pulled out from the return groove 18, or both are set to support resistance of the inner rail 16 at a predetermined lowered position. By applying a strong force, the inner open end of the opposing engagement guide 16b is elastically opened, the engagement protrusion 10 is pulled out from the engagement guide 16b, and the both are disengaged. To.

  Next, at this predetermined height stop position, the operator opens and operates the fastener operation unit 39c from one side to the other side. As a result, the main body 2a is gradually detached from the base side sheet 2c and can be lowered to the floor surface by its own weight, and the separation is completed at the position where the fastener operation part 39c reaches the other end. Next, the main body 2a for completion of maintenance work or replacement is aligned with the base side sheet 2c, and the connecting fastener portion 39a and the connected fastener portion 39b are aligned while the mounting posture is adjusted on the floor surface. The operation unit 39c is closed from the other side.

  Thereby, the full width of the main body 2a is connected to the base side sheet 2c via the fastener 39. Then, by rotating the seat drum 5 in the reverse direction, as the base side sheet 2c is wound around the sheet drum 5 and ascends, the left and right engaging projections 10 of the main body 2a are also guided by the guide of the return groove 18. 11 is inserted again into the lower engagement guide 16b and automatically returned to the normal lifting operation posture. Accordingly, the seat shutter 1 including the seat attaching means and the sheet exchanging means can be lifted and lowered while greatly reducing the weight when the seat drum 5 is attached and detached.

In the above configuration, the sheet shutter 1 according to the embodiment has a front opening height of about 2500 mm. Therefore, by setting the length of the base side sheet 2 c to 1500 to 2000 mm, the operation of the fastener 39 can be easily performed. It is possible to be in the position.
The length of the base side sheet 2c is set to a predetermined length by determining the operation work height position for each opening height. The fastener 39 is not limited to the type in which the end portions of the connection fastener portion 39a and the connected fastener portion 39b are engaged to operate the fastener operation portion 39c, but is a light-weight main body portion 2a such as a small sheet shutter 1 or the like. In this case, the surface fastener 39 that does not require the slider-type fastener operation unit 39c can be obtained.

  Next, an aspect of the attaching / detaching operation of the seat drum 5 will be described with reference to FIGS. First, the seat drum 5 is attached to the seat shutter 1 in which the seat case 4 is disposed above the left and right seat guides 11 forming the frontage, and the seat seat 4 and the drum shaft 8b are assembled in advance into a unit structure. 5 is made into a first temporary support posture as shown in FIG. 10 (a) by the artificial lifting means such as an operator using a light truck bed or a stepladder, and as shown in FIG. Through the third temporary support posture shown in FIG. 13 from the second temporary support posture shown in FIG. 13, the drum shaft 8b can be supported by the bearing portion 8c as shown in FIG. .

That is, in the mounting operation by the first temporary support position shown by a solid line and 11 in FIG. 10 (a), greatly inwardly inclined inwardly the mount seat 36 by lifting high right seat drum 5, the lower locking hole Immediately after inserting 36b into the bottom stop bolt 36d, the nut 36n is screwed shallowly. This prevents the mounting seat 36 from falling off easily and quickly, and puts the seat drum 5 into the lower temporary support state. Next, the worker makes the non-projecting posture in which the drum shaft 8b is retracted in the first temporary support posture, and lifts the left side with the lower bolt 36d as a fulcrum to bring the seat drum 5 into the second temporary support posture, and the upper stopper After each insertion hole 36a in the upper bolt 36c, by the stopper of the mounting seat 36 by shallow screwed a nut 36n in each of the upper bolt 36c, the upward rotation of the seat drum 5 freely To do.

  Next, in the second temporary support posture in which the lower portion and the upper portion of the mounting seat 36 are securely prevented, the operator can adjust the holding position and the holding posture, so that the seat drum 5 is further lifted to be substantially horizontal. None The third temporary support posture shown in FIG. 13 can be adopted. Here, the drum shaft 8b is pulled out to the left side and inserted into the bearing portion 8c while maintaining the shaft support posture. As a result, the left and right of the unit structure of the seat drum 5 can be positioned on the seat case 4 via the mounting seat 36, the drum shaft 8b, and the mounting seat 36, and then the hand is released from the drum and the mounting shaft 37 is moved to the bearing portion 8c. And inserted into the drum shaft 8b to prevent it from coming off via a fixing member such as a nut.

After that, the operator moves to the mounting seat 36 side, first fastens each nut 36n of the upper locking bolt 36c, and then fastens the nut 36n of the lower locking bolt 36d. It can be completed easily and quickly by work. After completing the installation of the seat drum 5 and the series of attachments of the seat 2 to the seat case 4 as described above, the left and right return grooves 18 and the seat guides 11 are set as described above for the seat 2 wound around the seat drum 5. It can be opened and closed via.

  The seat 2 may be attached to the seat drum 5 with the base-side seat 2c attached in advance and wound around the seat drum 5 placed horizontally on the floor surface. . In this case, the main body 2a can be easily attached to the base side sheet 2c after being attached to the seat drum 5 via the fastener 39.

  The seat shutter 1 configured as described above and to which the seat drum 5 can be attached can attach the main body portion 2a removed through the fastener 39 by reverse operation when the seat drum 5 is removed. In particular, it is possible to easily perform the maintenance work of the seat shutter 1, which is a lightweight structure type in which the seat drum 5 can be lifted by one person. In addition, the large-sized seat shutter 1 having a lightweight seat drum 5 and capable of removing the seat main body 2a does not require an expensive lifting machine such as an aerial work machine or a forklift, and reduces the lifting work to a higher place. It is easy to carry out by the number of people, and the assembly of the seat shutter and the maintenance work of each structural part can be efficiently performed by the user side without depending on a skilled professional contractor.

Further, the seat drum 5 that can be mounted as described above is provided with a lower stop hole 36b in the mounting seat 36 at the apex position of the triangle on the lower side of the intermediate position between the upper stop holes 36a and 36a. For the temporary fixing operation on the side, one bottom locking bolt 36d that protrudes to a low position can be selected, and it can be reliably inserted and locked in the large diameter hole. In the case of the large-sized sheet shutter 1 or the heavy-weight seat drum 5, it is desirable to use a plurality of bottom holes 36b.

Further, a flat mounting plate having an upper stopper hole 36a and a lower stopper hole 36b, which are inserted into the upper stopper bolt 36c and the lower stopper bolt 36d so as to be freely accommodated at least in the vertical direction, is detachably attached to the motor base. The mounting seat 36 configured as described above can be mounted on the existing seat shutter 1 without greatly modifying the motor 7, so that the motor 7 can be installed on the end plate 6a via the mounting seat 36 by a retrofit operation. There are advantages that can be facilitated. On the other hand, the mounting seat 36 is not limited to the above-described flat mounting plate, and an upper retaining bolt 36c and a lower retaining bolt 36d may be directly formed in a portion where the motor base portion is previously formed wide. A seat drum mounting structure with a simple configuration with a reduced number of parts can be achieved.

  In addition, the conventional seat drum 5 and the drive body 8 are generally made of aluminum or iron plate, but the seat drum 5 and the drive body 8 and the like configured in the embodiment make it easy to manufacture a synthetic resin. In addition, the polygonal resin structure can reduce the weight, durability, and cost. The sheet drum 5 having the polygonal resin structure enables, for example, four drum plates divided into four equal parts in the circumferential direction to be directly assembled and manufactured at the installation site of the sheet shutter 1. As a highly practical on-site assembly type drum, there is a feature that transportation and construction costs can be greatly reduced.

DESCRIPTION OF SYMBOLS 1 Sheet shutter 2 Sheet | seat 2a Main part 2c Base side sheet | seat 3 Support | pillar 4 Sheet case 5 Seat drum 6a, 6b End plate 7 Motor 8 Drive body 8a Cylinder support body 8b Drum shaft 8c Bearing part 11 Sheet guide 35a Joining piece 35b Joining member 36 Mounting seat 36a Top stop hole 36b Bottom stop hole 36c Top stop bolt 36d Bottom stop bolt 39 Fastener

Claims (5)

A horizontally-facing box-shaped seat case (4) is disposed above the left and right seat guides (11) standing upright with a frontage width, and one end plate (6a) in the seat case (4). ) And the other end plate (6b) are mounted and supported by a motor (7) and a drum shaft (8b), the seat drum (5) is provided so as to be attachable / detachable and forward / reversely rotatable, and the seat drum (5 In the seat drum mounting structure of the seat shutter that moves up and down the sheet (2) wound around the left and right sheet guides (11),
The provided with one side of the end plate and (6a) inwardly projecting and below the upper bolt (36c) and a lower bolt (36d), driving body at one side of the sheet drum (5) to (8) the base side of the motor (7) for interior are fitted, vertical long hole or clearance hole-like upper stopper holes flexibility freely inserted into the upper bolt and (36c) and a lower bolted (36d) ( 36a) and a lower seat hole (36b) provided with a mounting seat (36), and a bearing portion (8c) projecting inwardly from the other end plate (6b); and a seat drum (5 ) By providing a shaft support switching means for allowing the drum shaft (8b) protruding to the other side to be switched between a support posture for supporting the engagement shaft and a non-supporting posture for disengaging the engagement. the bottom end stop hole of the mounting seat (36) (36b) in the state of being inserted into the lower bolt (36d), the drum (8b) and the bearing part (8c) sheet drum to off-axis支姿bias and (5), in a state of lifting the other side as a fulcrum of the lower bolt (36d), the bearing portion drum shaft (8b) (8c) is switched to a pivotal support posture, and a mounting drum (36) is attached to one end plate (6a) and attached to the seat case (4). The mounting seat (36) is configured by forming an upper stopper hole (36a) and a lower stopper hole (36b) in a flat mounting plate that is detachably attached to the base side of the motor (7). 2. A seat drum mounting structure for a sheet shutter according to item 1.   A drum shaft (8b) provided so that the shaft support switching means can be moved forward and backward on the other side of the seat drum (5) with respect to a bearing portion (8c) protruding inwardly from the end plate (6b) on the other side. 3. A seat drum mounting structure for a seat shutter according to claim 1 or 2, wherein the structure is provided so as to be switchable between a shaft support posture and a non-shaft support posture. A joining piece (35a) which is bent and extended at intervals of a plurality of equal intervals on the outer periphery of a vertical disk-like support member (35) provided in the driving body (8) and the cylinder support (8a) is a polygon. 4. The seat drum for a seat shutter according to claim 1, wherein the drum is formed in contact with a corresponding polygonal flat surface of the drum formed on the cylinder, and the contact surfaces are joined together by rivets, bolts and nuts or other joining members (35b). Mounting structure.   The sheet (2) is divided into a base side sheet (2c) attached to the sheet drum (5) and wound, and a main body (2a) that moves up and down along the left and right sheet guides (11), The seat shutter mounting structure for a seat shutter according to claim 1, 2 or 3 or 4, wherein the end portions of the base side sheet (2c) and the main body portion (2a) are detachably joined by a fastener (39).

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