JP2023097571A - Bellows-type folding tent, and connector - Google Patents

Abstract

To provide a bellows-type folding tent capable of improving workability in transportation, assembly, and installation, and a connector used therein.SOLUTION: A bellows-type folding tent comprises a plurality of gate frame bodies 2 that are connected in an extensible manner. The gate frame body 2 comprises a ceiling portion 3 and a pair of posts 4 connected to both sides of the ceiling portion 3 and can be folded. Each ceiling portion 3 of the plurality of gate frame bodies 2 comprises an arc-shaped or mountain-shaped roof member 3a and a beam member 3b connecting both ends of the roof member 3a. Each of the beam members 3b comprises a pair of claw insertion portions 6 for inserting a pair of fork-lift fork claws at a predetermined position.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a bellows-type folding tent that is temporarily installed in temporary warehouses, product storages, material storage areas, etc., and that is easy to transport, assemble and install, and a connector used therein.

In conventional tents of this type, a plurality of gate frame bodies having ceilings and columns are provided so as to be extendable in the front-rear direction, and the columns of each gate frame body are collapsible in the left-right direction. The folding tent is provided with connecting means for connecting the gate form bodies in the folded state to stand on their own. There is known a bellows-type folding tent provided with a part (Patent Document 1). This bellows-type folding tent has the advantage that it can be easily installed with a forklift without a crane.

Further, the conventional bellows-type folding tent is provided with extension holding means interposed between the adjacent struts of the respective gate-shaped frames for maintaining the extended state of the plurality of gate-shaped frames. The extension holding means comprises a round pipe holder having an inverted substantially U shape, and a round pipe receptacle which is welded to the inner surface of the column and into which both ends of the holding rod are detachably fitted. ing.

Japanese Patent Application Laid-Open No. 2005-207021

The conventional bellows-type folding tent described above can be easily installed with a forklift without a crane by connecting the gate form bodies in a folded state with a connecting means to make the tent self-supporting. It is necessary to position the forks so as not to lose the balance when the connecting body of the formwork is lifted, and there remains a problem in workability.

Moreover, the above-mentioned conventional bellows-type folding tent is equipped with wheels under each of the pair of pillars of the gate frame body, and the wheels can be equipped with brakes. It cannot be completely fixed on the top.

In addition, the conventional bellows-type folding tent can be easily kept in an extended state by the detachable extension holding means. Because of this configuration, positioning at the time of insertion is time-consuming, and after insertion, the holding rod is rotatable within the receiving tube, so the gate-shaped frame body is not stable, and the holding rod is easily removed from the receiving tube. .

Moreover, the connecting means needs to be connected to each of the plurality of gate frame bodies, which is troublesome.

In particular, when the gate formwork is large, it is difficult to reach for connecting the connecting means to the respective gate formwork, making the connection work difficult.

Also, when installing at the destination, the columns that have been transported in a folded state are unfolded and erected, and then the gap between adjacent gate form bodies is widened. While the work of interlocking and expanding the gate formwork bodies becomes difficult, when the adjacent gate formwork bodies are contracted, they are not stable when the pillars are erected.

SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide a bellows-type folding tent capable of improving workability in transportation, assembly, and installation, and a connector used therein.

In order to solve the above-described problems, a bellows-type folding tent according to an aspect of the present invention includes a plurality of gate frame bodies that are connected in an expandable and contractible manner, and the gate frame bodies include a ceiling portion and a ceiling portion. A pair of pillars connected to both sides and capable of being folded, and the ceiling of each of the plurality of gate formwork bodies includes an arc-shaped or chevron-shaped roofing material and beams connecting both ends of the roofing material. each of said beam members having a pair of pawl inserts at predetermined locations for inserting a pair of pawl inserts of a fork of a forklift.

The claw insertion portion may be configured by a U-shaped member or an L-shaped member to which the beam member is fixed.

Further, the bellows-type folding tent according to an aspect of the present invention further includes a ceiling membrane covering the ceiling, wherein the ceiling membrane includes a ceiling surface and end surfaces provided on both sides of the ceiling surface. , each of the end faces on both sides has a pair of insertion holes for inserting a pair of claws of a fork inserted into the claw insertion portion, and a flap covering the insertion holes so as to be openable and closable.

The ceiling membrane may be integrally provided with a flat side membrane that covers the flat side of the bellows-type folding tent.

Also, in the bellows-type folding tent according to an aspect of the present invention, each of the struts includes an outer strut and an inner strut that are connected to each other, a jack base is provided at the lower end of the inner strut, and the outer strut is provided with a jack base. A caster is provided at the lower end of the jack base, and the ground surface of the jack base can be installed at a position higher than the ground surface of the caster, and a fixing base on which the jack base is placed and fixed is further provided.

In addition, the bellows-type folding tent according to an aspect of the present invention further includes a cross-joint member that connects the adjacent gate frame bodies in an extended state, and the cross-joint member has a pair of wedge-shaped locking pieces at both ends. and the gate frame body includes a lateral receiving bracket having a locking hole for receiving the lateral joint member and for locking the wedge-shaped locking piece.

Further, in the bellows-type folding tent according to an aspect of the present invention, the plurality of gate-shaped frame bodies connected in an expandable/contractible manner expands and contracts the interval between three or more adjacent gate-shaped frame bodies in conjunction with each other. and an independent expansion/contraction mechanism that expands/contracts the gap between a pair of adjacent gate frames independently without interlocking with the interlocking expansion/contraction mechanism.

Further, the connector used in the bellows-type folding tent according to one aspect of the present invention is a connector for connecting a plurality of the gate-shaped frames when the bellows-type folding tent according to the present invention is transported. a rod-shaped member; recesses provided on one side surface of the rod-shaped member and into which the respective pillars are fitted in a state in which the plurality of gate frame bodies are contracted; and fixing means for fixing to the strut arranged on the gable surface of the housing.

According to the present invention, the fork insertion position can be easily positioned by providing the claw insertion portion for inserting the fork of the forklift in the beam member of the roof.

In addition, by providing a pair of insertion holes for inserting a pair of claws of a fork inserted into the claw insertion portion in the ceiling membrane, the bellows-type folding tent can be lifted by a forklift while the ceiling membrane is covered. can be transported.

Further, by providing the support with casters and a jack base and fixing the jack base to a fixing base installed on the ground, the support can be firmly fixed.

Further, by engaging the wedge-shaped locking pieces provided on the lateral joint member that connects the adjacent gate frame bodies in an extended state with the lateral receiving brackets provided on the gate frame bodies, the lateral joint member can be easily connected. Moreover, the wedge-shaped locking pieces are non-rotatably locked to the lateral receiving brackets, thereby stabilizing the gate frame body and the tent frame.

In addition, an interlocking expansion/contraction mechanism that expands/contracts three or more adjacent gate-shaped frames in conjunction with each other so as to expand or contract the space between them, and a pair of gates that are independently adjacent to each other without interlocking with the interlocking expansion/contraction mechanism. By providing an independent expansion and contraction mechanism that expands and contracts the space between the frames, when installing at the destination site, the folded pillars are unfolded and placed on the ground, and the independent expansion and contraction mechanism allows the adjacent pair of After the tent frame is stabilized by widening the gap between the gate formwork bodies, the interlocking telescopic mechanism can be used to widen the gap between the adjacent gate formwork bodies.

By fitting the pillars of the plurality of gate frame bodies into the plurality of recesses provided in the connecting member and fixing the pillars to the recesses at both ends, the plurality of pillars can be easily held at predetermined positions. Then, by connecting the connecting member holding the number of supports and the roofing material with a hanging string, the support can be held in a folded state.

1 is a front view showing an embodiment of a bellows-type folding tent according to the present invention; FIG. FIG. 2 is a side view showing an extended state of the bellows-type folding tent of FIG. 1; 2 is an enlarged side view showing the contracted state of the bellows-type folding tent of FIG. 1. FIG. 1. It is a front view which expands and shows the interlocking expansion-contraction mechanism of the accordion-type folding tent of FIG. FIG. 1 is a side view showing an expanded state of an independent expansion/contraction mechanism of the bellows-type folding tent. FIG. 2 is a partially enlarged front view showing an enlarged part of the roof of the bellows-type folding tent of FIG. 1; Fig. 2 is a front view showing a state in which the struts of the bellows-type folding tent of Fig. 1 are folded; 8 is an enlarged side view of the concertina folding tent along line VIII-VIII of FIG. 7; FIG. FIG. 8 is a front view showing a state in which a ceiling membrane is stretched on the bellows-type folding tent of FIG. 7 ; FIG. 12 is a vertical cross-sectional front view taken along line XX of FIG. 11, showing an embodiment of a coupler according to the present invention; Figure 12 is a plan view of the coupler of Figure 11; FIG. 10 is a front view showing a state in which the bellows-type folding tent of FIG. 9 is loaded on a truck; FIG. 8 is a front view showing an installation process of the bellows-type folding tent in the state of FIG. 7; FIG. 14 is a front view showing the step of installing the bellows-type folding tent following FIG. 13; FIG. 15 is a front view showing the step of installing the bellows-type folding tent continued from FIG. 14; FIG. 3 is a front view showing an enlarged part of the bellows-type folding tent of FIG. 2; FIG. 3 is a front view showing a transverse joint member of the bellows-type folding tent of FIG. 2; Figure 18 is a plan view of the transverse member of Figure 17; Figure 18 is a side view of the transverse member of Figure 17; FIG. 2 is a perspective view showing a lateral receiving bracket of the bellows-type folding tent of FIG. 1; FIG. 2 is a front view showing an enlarged part of the bellows-type folding tent of FIG. 1;

An embodiment of a bellows-type folding tent according to the present invention will be described below with reference to FIGS. 1 to 21. FIG.

Referring to FIGS. 1 and 2, a bellows-type folding tent 1 includes a plurality of gate-shaped frames 2 that are connected in an extendable manner. The gate frame body 2 includes a ceiling portion 3 and a pair of left and right supports 4 connected to both sides of the ceiling portion 3 and foldable. The ceiling part 3 of each of the plurality of gate form bodies 2 includes an arc-shaped roofing material 3a and beams 3b connecting both ends of the roofing material 3a. The roofing material can also be chevron-shaped.

The gate frame body 2 is made of a metal pipe or the like. In the illustrated example, the roof material 3a is made of a metal round pipe, and the beam material 3b and the left and right pillars 4 are made of metal square pipes. The strut 4 is configured by connecting an inner strut 4a and an outer strut 4b with a horizontal joint 4c.

A plurality of gate frame bodies 2 are connected by an expansion mechanism 5 so as to be expandable and contractible, as shown in FIG. The expansion/contraction mechanism 5 consists of an interlocking expansion/contraction mechanism 5A that expands and contracts the space between four adjacent gate frame bodies 2 in conjunction with each other, and a pair that are independently adjacent to each other without interlocking with the interlocking expansion/contraction mechanism 5A. and an independent expansion/contraction mechanism 5B for expanding/contracting the gap between the gate frame bodies 2.

In the interlocking telescopic mechanism 5A and the independent telescopic mechanism 5B, the lower ends of the link rods 5a and 5b connected in an X shape are rotatably connected to the adjacent struts 4 of the gate frame body 2. The upper end is connected to the strut 4 so as to be vertically movable and rotatable. The lower ends of the link rods 5a and 5b rotate around the connecting shafts, and the upper ends of the link rods 5a and 5b move up and down while rotating along the pillars 4, so that the adjacent gate form bodies 2 approach or separate from each other. Move parallel in the direction to As a result, the plurality of gate frame bodies 2 extend with the gap between them widening as shown in FIG. 2, and contract with the gap between them narrowing as shown in FIG. The telescopic mechanism for telescopically connecting the plurality of gate frame bodies 2 may be a telescopic mechanism such as a rage tongue mechanism or a pantograph mechanism.

Referring to FIG. 4, the interlocking telescopic mechanism 5A has an eyebolt 5c rotatably connected to the upper ends of link rods 5a and 5b. The eyebolt 5c is inserted through a guide rod 5d fixed along the column 4. As shown in FIG. The guide rod 5d is fixed to the upper and lower horizontal joints 4c. The upper end of the link rod 5b of the X-shaped link 5A- ₁ and the upper end of the link rod 5a of the X-shaped link 5A- ₂ are rotatably connected via an eyebolt 5c. The upper end of the link rod _5b of the X-shaped link 5A2 and the upper end of the link rod _5a of the X-shaped link 5A3 are also rotatably connected via an eyebolt 5c. The lower end of the link rod 5a of the X-shaped link _5A1 and the lower end of the link rod _5b of the X-shaped link 5A2 are rotatably connected via a connecting shaft 5e fixed to the outer strut 4b. there is The lower end of the link rod _5a of the X-shaped link 5A2 and the lower end of the link rod _5b of the X-shaped link 5A3 are also rotatably connected via a connecting shaft 5e. With such a configuration, the X-shaped links 5A ₁ , 5A ₂ and 5A ₃ are interlocked to expand and contract.

The link rods 5a and 5b of the independent telescopic mechanism 5B connected in an X shape are not connected to the link rods 5a and 5b of the adjacent interlocking telescopic mechanism 5A. Referring to FIG. 5, the lower ends of the link rods 5a and 5b of the independent telescopic mechanism 5B are rotatably connected to a flange 5f fixed to the outer support 4b of the support 4, and the upper ends of the link rods 5a and 5b. are vertically movable and rotatably connected via a movable shaft 5i inserted through a vertical groove 5h of a guide plate 5g fixed to an outer support 4b of the support 4. As shown in FIG.

With the above configuration, as shown in FIG. 5, the X-shaped links of the link rods 5a and 5b of the independent telescopic mechanism 5B can be extended and retracted independently of the X-shaped links 5A ₁ to 5A ₃ of the interlocking telescopic mechanism 5A. can be done. In the illustrated example, the independent telescoping mechanism 5B is provided on both the left and right sides of the interlocking telescopic mechanism 5A, but the independent telescopic mechanism 5B can be disposed on either the left or right side of the interlocking telescopic mechanism 5A. Arrangement, that is, a pair of interlocking telescopic mechanisms 5A can be provided on both left and right sides of the independent telescopic mechanism 5B.

Each of the beam members 3b is provided with a pair of claw insertion portions 6 for inserting fork claws (not shown) of a forklift at predetermined positions. In the illustrated example, the claw insertion portion 6 is constructed by welding a U-shaped member formed of a metal rod or a metal plate to the upper portion of the beam member 3b in the opposite direction (inverted U-shape) and fixing it. there is Although it is preferable to provide the claw insertion portion 6 on the upper portion of the beam member 3b, the claw insertion portion can also be fixed by welding a U-shaped member to the lower portion of the beam member 3b. Also, instead of the U-shaped member, as shown in FIG. 6, an L-shaped member may be welded and fixed.

The claw insertion part 6 is provided at a position where the gate frame body 2 is horizontally supported when the fork claws of a forklift are inserted therein and the gate frame body 2 is lifted. In the illustrated example, the claw insertion portions 6 are fixed at both side positions equidistant from the central longitudinal member 3c connecting the roof member 3a and the beam member 3b.

As shown in FIG. 1, the inner strut 4a is rotatably connected to guide flanges 4d provided at both ends of the ceiling portion 3 via a rotating shaft 4e. The guide flanges 4 d are configured to sandwich the column 4 from both sides and guide it slidably, and have the function of supporting the column 4 from both sides and increasing the rigidity of the gate frame body 2 . A bolt hole is provided in the guide flange 4d and the erected outer support 4b, and the support 4 is unfoldably fixed to the ceiling 3 by passing a bolt 4f through the bolt hole and tightening it with a nut 4g. be done. By removing the bolt 4f, the column 4 can be rotated around the rotation shaft 4e, and the column 4 can be folded as shown in FIG.

The bellows-type folding tent 1 is assembled to a certain extent in a factory, transported to a temporary construction site, and finally assembled at the site. At the factory, the ceiling membrane 7 is put on the ceiling part 3 with the struts 4 folded as shown in FIG. 7 and the gate frame 2 contracted as shown in FIG. By folding the struts 4, the height of the ceiling portion 3 is lowered, making it easier to stretch the ceiling membrane 7 to the ceiling portion 3. - 特許庁

An eyebolt 3a1 is detachably attached to the roof material 3a on the gable side of the ceiling portion 3. As shown in FIG. In the illustrated example, an eyebolt 3a1 is screwed onto a nut welded to the roofing material 3a. The ceiling film body 7 is formed with a through hole through which the bolt portion of the eyebolt 3a1 passes, at the position of the screw hole into which the eyebolt 3a1 is screwed. After covering the ceiling portion 3 with the ceiling membrane 7, the bolt portion of the eyebolt 3a1 is passed through the through hole and screwed into the nut welded to the roofing material 3a to fix the eyebolt 3a1 to the roofing material 3a. The eyebolts 3a1 are used to connect suspension wires, fixing strings, and the like. Also, as shown in FIG. 8, the eyebolts 3a1 on both sides may be preliminarily connected with a string 11a.

8 and 9, the ceiling membrane 7 includes a ceiling surface 7a and end surfaces 7b provided on both sides of the ceiling surface 7a. The ceiling membrane body 7 has a pair of insertion holes 7b1 for inserting fork claws inserted into the claw insertion portions 6 on each of the end surfaces 7b on both sides. Therefore, it is possible to insert the claw insertion portion 6 through the insertion hole 7b1 with the ceiling film 7 covering the ceiling portion 3. As shown in FIG. The insertion hole 7b1 is covered with a flap 7b2 indicated by a dashed line in FIG. 9 so as to be opened and closed. The upper edge of the flap 7b2 is adhered or sewn to the end surface 7b to cover the insertion hole 7b1 in an openable and closable manner. The side edge and lower edge of the flap 7b2 can be detachably attached to the end surface 7b by hook-and-loop fasteners.

Flat-side membranes 8 covering the side surfaces (flat sides) between the end surfaces on both sides of the bellows-type folding tent 1 are connected to both ends of the ceiling surface 7a of the ceiling membrane 7 and integrated with the ceiling membrane 7. is provided. When covering the ceiling portion 3 with the ceiling membrane 7, the flat-side membrane 8 is wound as shown in FIG. The flat-side membrane body 8 is held in a wound state using a cord 9 indicated by a dashed line in FIG. 9 using an eyebolt 3a2 attached to the roof material 3a. The eyebolts 3a2 are screwed onto nuts (not shown) welded to the roof material 3a. A hole (not shown) through which the threaded portion of the eyebolt 3a2 is passed is formed in the ceiling film body 7. As shown in FIG. The other end of the string 9 tied to the eyebolt 3a2 is tied to the strut 4. As shown in FIG. The flat-side membrane 8 can be hung from the ceiling 3 as a separate body from the ceiling membrane 7. The flat-side membrane body 8 can be rapidly deployed only by removing the string 9 with .

Connectors 10 are used to fix the folded struts 4 . 10 and 11, the coupler 10 comprises a rod-shaped member 10a made of a square metal pipe or the like, and a plurality of gate frame bodies 2 provided on one side surface of the rod-shaped member 10a at predetermined intervals. and fixing means 10c provided at both ends of the rod-like member 10a and fixed to the posts 4 arranged on both sides of the rod-shaped member 10a. In the illustrated example, the recess 10b is formed by welding a groove-shaped metal plate into which the support 4 is fitted to the rod-shaped member 10a.

Of the plurality of recesses 10b, the recesses 10b on both end sides are formed in a substantially U-shape in plan view (FIG. 11) by connecting two grooved metal plates _10b1 and _10b2 with a connecting plate _10b3 . . The fixing means 10c includes a fixing bolt _10c1 screwed into the connecting plate _10b3 , and the inner surface of the recess _10b against which the column 4 is pressed by screwing the fixing bolt 10c1. The inner surface of 10b is an engaging surface _10b4 having a sawtooth cross section, as shown in a partially enlarged view in FIG. When the fixing bolt _10c1 is screwed in, the post 4 fitted into the recess 10b is clamped in the recess 10b, and sandwiched between the fixing bolt _10c1 and the engaging surface _10b4 having a sawtooth cross section, The post 4 is firmly connected to the connector 10 . The connecting members 10 hold the plurality of posts 4 at regular intervals, prevent rattling during transportation, and can be transported in a stable state.

In the factory, the portal frame body 2 before being loaded onto a truck is placed in a state in which the telescopic mechanism 5 is contracted and the struts 4 are folded (see FIG. 9), via a spacer S (FIG. 9) made of H-shaped steel or the like. A space is provided below the folded column 4 by installing it a little away from the ground. The connector 10 is inserted into this space, and while lifting the connector 10 so that the plurality of struts 4 fit into the recesses 10b, the recesses 10b of the connectors 10 are fitted to all the struts 4, and the fixing means is secured. The coupler 10 is connected to the struts 4 on both gable sides by 10c. The recesses 10b other than the recesses 10b, 10b at both ends provided with the fixing means 10c, that is, the recesses 10b formed of a single grooved metal plate do not require screwing or the like to the support columns 4. The struts 4 can be held by making the intervals between the struts 4 constant only by fitting the struts 4, and construction efficiency is good.

Suspension rings 10 d are fixed to both ends of the connector 10 . Referring to FIG. 8, this hanging ring 10d and the eyebolt 3a1 of the roofing material 3a can be connected using a tightening string 11 such as a load tightening belt or load tightening rope. Thereby, the column 4 is connected to the ceiling portion 3 so as not to rotate around the rotation axis 4e.

As described above, the gate formwork 2 is transported to the installation site by a forklift (not shown), placed on the bed of a truck as shown in FIG. be. The folded gate formwork 2 can be easily transported by a forklift even in a building such as a factory where a crane cannot enter.

At the installation site as well, the gate formwork 2 in a folded state is unloaded from the bed of the truck. For loading and unloading from the truck bed, a forklift can be used, or a crane can be used to unload. The strap 11 (FIG. 8) is removed from the gate formwork 2 unloaded from the truck bed.

The strut 4 includes an inner strut 4a and an outer strut 4b that are connected to each other, and casters 12 are attached to the lower ends of the outer struts 4b. When the tightening string 11 is removed and the gate frame body 2 is gradually lifted from the ground, as shown in FIGS. Rotate like this. Casters 12 are preferably casters with roll stoppers. With the casters 12 on the ground, the gate frame body 2 is gradually lifted up, and the pillars 4 can be erected vertically as shown in FIG. In this embodiment, since the height of the claw insertion portion 6 when the support 4 is erected is 2.8 meters, it can be lifted by a forklift with a maximum lift of 3 meters.

1 and 2, a fixing base 13 for fixing the gate frame body 2 is installed at the installation site. The fixing base 13 can be composed of two elongated steel members placed in parallel at the positions of the inner struts 4a, 4a on both sides of the frontage. The fixing base 13 of the present embodiment is increased in weight by welding a steel plate 13b to the lower flange of the H-shaped steel 13a.

The post 4 is set vertically, and the left and right casters 12 are moved along the outside of the two fixing bases 13 to widen the gap between the adjacent gate form bodies 2 connected by the independent expansion/contraction mechanism 5B. (See Figure 5).

In order to maintain the distance between the adjacent gate frame bodies 2 spread by the independent expansion/contraction mechanism 5B, the transverse joint member 14 is connected to the adjacent gate frame bodies 2 as shown in FIGS. As shown in FIGS. 17 to 20, the lateral joint member 14 has a pair of wedge-shaped locking pieces 14b at both ends of the bar-shaped portion 14a. The gate frame body 2 is provided with a lateral receiving bracket 15 which receives the lateral joint member 14 and has a locking hole 15a for locking the wedge-shaped locking piece 14b. The lateral receiving bracket 15 is welded and fixed to the inner strut 4a in a cantilever manner.

The wedge-shaped engaging piece 14b is made of a plate-like member, which gradually narrows toward its tip. The wedge-shaped locking piece is not limited to a plate-like member, and may be formed of a metal rectangular piece tapered, and in that case, the horizontal receiving bracket may have a square locking hole.

When inserting the wedge-shaped locking piece 14b into the locking hole 15a, the tapered shape of the wedge-shaped locking piece 14b facilitates the insertion. After inserting the wedge-shaped locking piece 14b into the locking hole 15a, the upper part of the wedge-shaped locking piece 14b is hit with a hammer or the like to lock it in a wedged manner, so that it can be locked so as not to come off easily. Also, by inserting and fitting the plate-like wedge-shaped locking piece 14b into the elongated locking hole 15a having substantially the same width, the wedge-shaped locking piece 14b and the lateral receiving bracket 15 can be relatively rotated. Being restricted, the tent is stiffer and more stable. By simply inserting the wedge-shaped locking piece 14b into the locking hole 15a and tapping, the adjacent gate frame bodies 2 are rapidly connected and firmly fixed.

After fixing a pair of gate frame bodies 2 connected to the link rods 5a and 5b of the independent telescopic mechanism 5B at a predetermined interval, a plurality of gate frame bodies connected to the link rods 5a and 5b of the interlocking telescopic mechanism 5A. 2 can be widened by a predetermined distance, and the adjacent gate frame bodies 2 can be connected and fixed by the transverse joint members 14 in the same manner as described above.

After the tent frame is stabilized by widening the gap between the pair of adjacent gate form bodies 2 by the independent expansion/contraction mechanism 5B, the tent frame is quickly stabilized by expanding the gap between the adjacent gate form bodies by the interlocking expansion/contraction mechanism. and enables quick installation.

Referring to FIG. 21, a jack base 16 is attached to the lower end of the inner support 4a. The jack base 16 is configured to be placed at a position higher than the ground surface of the caster 12 . The jack base 16 has a threaded portion 16a inserted into the lower end of the inner support 4a, and the vertical height of the support 4 can be adjusted by adjusting the position of the lift nut 16b with a handle. A seat plate 16 c of the jack base 16 is placed on the upper flange 13 c of the fixing base 13 and fixed to the upper flange 13 c by the clamp 17 . By fixing to the fixing base in this way, the bellows-type folding tent 1 is increased in rigidity and stabilized, and can withstand gusts of wind. Moreover, by fixing the jack base 16 to the fixing base 13 using the clamp 17, the fixing can be performed more quickly than bolting which requires accurate positioning. The fixing base 13 stabilizes the bellows folding tent 1 by welding a steel plate 13b to the lower flange of the H-shaped steel to increase the weight.

The present invention is not interpreted as being limited to the above-described embodiments, and various modifications are possible without departing from the scope of the present invention.

1 Accordion type folding tent 2 Gate frame 3 Ceiling 3a Roof material 3a1 Eyebolt 3b Beam material 4 Support 4a Inner support 4b Outer support 5 Expansion mechanism 5A Interlocking expansion mechanism 5B Independent expansion mechanism 6 Claw insertion part 7 Ceiling membrane 7b1 Insertion Hole 7b2 Flap 10 Connector 10a Rod-shaped member 10b Recess 10c Fixing means 10d Hanging ring 12 Caster 13 Fixing base 14 Horizontal joint member 14a Rod-shaped portion 14b Wedge-shaped locking piece 15 Lateral receiving bracket 15a Locking hole 16 Jack base

Claims (9)

comprising a plurality of gate formwork bodies that are telescopically connected,
The gate formwork includes a ceiling and a pair of collapsible pillars connected to both sides of the ceiling,
The ceiling part of each of the plurality of gate formwork bodies includes an arc-shaped or mountain-shaped roofing material and beams connecting both ends of the roofing material,
A bellows-type folding tent, wherein each of the beam members is provided with a pair of pawl inserting portions for inserting a pair of pawl of a fork of a forklift at predetermined positions. 2. The bellows-type folding tent according to claim 1, wherein the claw insertion portion is configured by a U-shaped member or an L-shaped member to which the beam is fixed. Further comprising a ceiling membrane covering the ceiling surface and the end surface of the ceiling part,
The end surface of the ceiling membrane includes a pair of insertion holes for inserting a pair of claws of a fork inserted into the claw insertion portion, and a flap covering the insertion holes so as to be able to open and close. 3. The bellows-type folding tent according to 1 or 2. The accordion folding tent according to claim 3, wherein the ceiling membrane is integrally provided with a flat side membrane for covering the flat side of the accordion folding tent. each of the struts comprises an outer strut and an inner strut connected together;
A jack base is provided at the lower end of the inner support,
A caster is provided at the lower end of the outer support,
The jack base is configured to be placed at a position higher than the ground surface of the caster,
The bellows-type folding tent according to any one of claims 1 to 4, further comprising a fixing base on which said jack base is placed and fixed. further comprising a transverse joint member that connects the adjacent gate form bodies in a stretched state;
The transverse joint member includes a rod-shaped portion and a pair of wedge-shaped locking pieces provided at both ends of the rod-shaped portion,
The bellows according to any one of claims 1 to 5, wherein the gate-shaped frame body includes a lateral receiving bracket that receives the lateral joint member and has a locking hole for non-rotatably locking the wedge-shaped locking piece. A folding tent. further comprising a ceiling film covering the ceiling and a connector for connecting a plurality of the gate frame bodies,
The connector includes a rod-shaped member, a concave portion provided on one side surface of the rod-shaped member and into which each of the columns is fitted in a state in which the plurality of gate frame bodies are contracted, and both ends of the rod-shaped member. Fixing means for fixing to the posts arranged on the end surfaces of both sides, and hanging rings provided at both ends of the rod-shaped member for hanging with a hanging string,
The roof material is detachably screwed with an eyebolt for connection with the suspension ring by a suspension string,
The bellows-type folding tent according to any one of claims 1 to 6, wherein the ceiling membrane body is formed with through holes for passing the eyebolts. A plurality of the gate-shaped frame bodies that are telescopically connected are interlocked with an interlocking telescopic mechanism that expands and contracts the distance between three or more adjacent gate-shaped frame bodies in conjunction with the interlocking telescopic mechanism. 8. The folding tent according to any one of claims 1 to 7, characterized by comprising an independent expansion/contraction mechanism that expands/contracts the gap between the pair of gate formwork bodies that are adjacent to each other independently. . A connecting tool for connecting a plurality of the gate-shaped frames during transportation of the accordion-type folding tent according to any one of claims 1 to 8,
a rod-shaped member, recesses provided on one side surface of the rod-shaped member and into which the respective columns are fitted in a state in which the plurality of gate frame bodies are contracted; and fixing means for fixing to the strut arranged on the gable surface.

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