JP2011089256A - Folding tent - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a folding tent which is equipped with a domed roof for use in a camp, an event, etc., and which prevents damage to optional roof frame, a peripheral frame near it and a tent sheet and the deformation of them even in the action of a strong wind etc. <P>SOLUTION: This folding tent includes a support 2, the peripheral frame 3, a roof frame 4, the optional roof frame 5, the tent sheet 6, and a coupling means 7, wherein especially, the optional roof frame 5 is elongated to the vicinity of the peripheral frame 3, and the coupling means 7 for detachably coupling the optional roof frame 5 and the peripheral frame 3 together after unfolding is provided. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to an improvement of a foldable tent having a dome-shaped roof that is used, for example, in camping and events.

Conventionally, as this type of foldable tent, for example, those described in Patent Documents 1 to 4 are known.
The foldable tent is basically composed of pillars arranged at corners of a plane square, a peripheral frame that connects the upper parts of pillars adjacent to each other in a circumferential direction, and a planar square from the upper part of each pillar. And a tent sheet that is covered with the surrounding frame and the roof frame.
Thus, in such a case, the roof frame can be made of a flexible material, or a dome-shaped roof can be formed by forming multiple angles, and the overall height is higher than that of a pyramidal roof. There was no concern about deformation due to wind or other factors.
However, in such a case, since the roof frame is provided only on the diagonal line of the plane square, there is a possibility that the tent sheet hangs down at other places and rainwater and the like are accumulated.

As what overcomes such difficulties, for example, one described in Patent Document 5 is known.
This is provided with an auxiliary roof frame extending from the center of the plane square toward the surrounding frame between adjacent roof frames.
Since such a thing is equipped with the auxiliary | assistant roof frame, it is not strained and loosened by the tent sheet | seat between adjacent roof frames being lifted.

Japanese Patent No. 3567727 Utility Model Registration No. 3042113 Japanese Patent No. 3918155 Japanese Patent No. 4190552 Korean Patent No. 10-0429102

  However, in such a case, since the auxiliary roof frame is extended in a so-called cantilever state from the center of the plane square, when the strong wind or the like acts, the auxiliary roof frame and the surrounding frame in the vicinity are broken. There is a risk that the tent sheet may be damaged due to deformation or deformation due to the free end (tip) of the auxiliary roof frame.

  The present invention was devised in view of the above-mentioned problems, and was devised to solve this problem. The subject of the present invention is an auxiliary roof frame, a surrounding frame and a tent sheet in the vicinity even when strong winds act. To provide a foldable tent that prevents damage and deformation.

  The foldable tent of the present invention is basically composed of pillars arranged at corners of a plane square, a peripheral frame that connects the upper parts of pillars adjacent to each other in a circumferential direction, and an upper part of each pillar. A flexible roof frame extending to the center of the plane square and foldably connected to each other, and a flexibility extending from the center of the plane square to the vicinity of the surrounding frame between adjacent roof frames Characteristic auxiliary roof frame, surrounding frame, roof frame, tent sheet covered with the auxiliary roof frame, and connecting means for detachably connecting the auxiliary roof frame and the surrounding frame after deployment Exist.

After the tent sheet is put on the folding tent in the folded state, when the four struts are spread radially, the surrounding frame between the struts adjacent to each other in the circumferential direction is stretched and the roof frame is stretched. Standing up, the auxiliary roof frame is deployed corresponding to the roof frame. After deployment, the auxiliary roof frame and the surrounding frame are connected by the connecting means.
Then, the flexible roof frame and the auxiliary roof frame are bent in a bow shape, thereby forming a dome-shaped roof. At this time, the tent sheet is covered with the roof frame, the auxiliary roof frame, and the surrounding frame.
Since the auxiliary roof frame is provided between the adjacent roof frames, the tent sheet in the same portion is not strained and loosened.
After deployment, the auxiliary roof frame and the surrounding frame are connected by the connecting means, so that the strength of both the folding tent and the entire folding tent is improved. For this reason, even if a strong wind or the like acts, the auxiliary roof frame, the surrounding frame in the vicinity thereof, and the tent sheet will not be damaged or deformed.

  The peripheral frame includes a fixed connector provided at an upper portion of the column, a movable connector provided on the column below the fixed connector so as to be movable up and down, and a fixed connector and a movable connector of columns adjacent to each other in the circumferential direction. It is preferable to provide a hook-like link pivoted to each other. If it does in this way, the space | interval of the support | pillar adjacent to the circumferential direction can be expanded-contracted rapidly and reliably according to a simple structure.

  The roof frame is pivoted to the lower roof main bone whose proximal end is pivotally connected to the fixed connector, the upper roof main bone pivotally connected to the distal end of the lower roof main bone, and the upper roof main bone. Connected upper center connector, lower roof subbone with proximal end pivoted to movable connector and tip pivoted to middle of lower roof main bone, and middle of lower roof subbone A middle roof subbone whose tip is pivotally connected to the proximal end of the upper roof main bone, an upper roof subbone whose proximal end is pivoted near the tip of the upper roof main bone, and an upper roof subsidiary It is preferable to provide a lower central connector pivotally connected to the bone tip and positioned below the upper central connector. In this way, not only the lower roof main bone, the upper roof main bone, the upper central connector and the lower roof secondary bone, but also the middle roof secondary bone, the upper roof secondary bone and the lower central connector are provided. It is possible to form a dome-shaped roof that is extremely strong and flexible.

  The auxiliary roof frame is composed of an upper center connector and a lower center connector of the roof frame, an auxiliary roof main frame having one end pivotally connected to the upper center connector and the other end extending to the vicinity of the surrounding frame, and one end at the lower center. It is preferable to provide an auxiliary roof secondary bone pivotally connected to the connector and having the other end pivoted near one end of the auxiliary roof main bone. In this way, the components of the roof frame can be shared and used, so that the number of parts and the cost can be reduced.

  The connecting means includes a first connector provided at the other end of the auxiliary roof main frame of the auxiliary roof frame, and a second connector provided in the middle in the longitudinal direction of the hook-shaped link of the surrounding frame and capable of being engaged with and disengaged from the first connector. It is preferable to provide a connector. In this way, the auxiliary roof frame and the surrounding frame can be engaged and disengaged with a simple structure, and no great effort is required when the folding tent is contracted or expanded.

  The distance from the pivot point of the upper roof main bone and the upper roof secondary bone in the roof frame to the pivot point of the upper roof main bone and the upper central joint, and the auxiliary roof main bone in the auxiliary roof frame It is preferable that the distance from the pivot point of the auxiliary roof secondary bone to the pivot point of the auxiliary roof main bone and the upper central connector is different. In this way, the contraction or expansion time of the roof frame and the auxiliary roof frame can be made different, so that there is no possibility that they will be intertwined, and the contraction or expansion of the folding tent can always be performed properly.

  It is preferable to provide a central column that is penetrated by the upper central connector so as to be movable up and down and whose lower end is fixed to the lower central connector. If it does in this way, it can be made into the roof shape which only the center part protruded upwards as a dome shape as a whole.

According to the present invention, the following excellent effects can be achieved.
(1) Consists of struts, surrounding frames, roof frames, auxiliary roof frames, tent sheets, and connecting means. In particular, the auxiliary roof frames extend to the vicinity of the surrounding frames, and the auxiliary roof frames and the surrounding frames are attached and detached after deployment. Since the connecting means for enabling connection is provided, the auxiliary roof frame, the surrounding frame and the tent sheet in the vicinity thereof are not damaged or deformed even when a strong wind or the like acts.
(2) Since only connecting means for detachably connecting the auxiliary roof frame and the surrounding frame after deployment is provided, it can be easily applied to existing ones.

The front view which shows the state which expand | deployed the folding-type tent of this invention. The top view of FIG. The principal part front view which shows a roof frame. The figure similar to FIG. 3 which shows the folded state. The principal part front view which shows an auxiliary roof frame. The principal part perspective view which shows a connection means.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 6, the foldable tent 1 is mainly composed of a column 2, a surrounding frame 3, a roof frame 4, an auxiliary roof frame 5, a tent sheet 6, and a connecting means 7.

  The columns 2 are arranged at the corners of the plane square, and in this example, a total of four columns are erected, one at each corner of the plane square. The strut 2 includes a large-diameter upper strut 8, a small-diameter lower strut 9 that is slidably inserted into the strut 2, a seat plate 10 that is attached to the lower end of the strut 2 and abuts the installation surface, and the upper strut 8 And a fixing means (not shown) for fixing the lower strut 9 at an arbitrary height position. The upper column 8 and the lower column 9 are made of a metal square pipe or the like, and the seat plate 10 is made of a synthetic resin or the like.

The peripheral frame 3 connects the upper portions of the columns 2 adjacent to each other in the circumferential direction so as to be extendable. In this example, the fixed connector 11 provided on the upper portion of the column 2 and the columns below the fixed connector 11. 2, a movable connector 12 provided so as to be movable up and down, a fixed connector 11 of the column 2 adjacent in the circumferential direction, a hook-like link 13 pivotally connected to the movable connector 12, and an upper column 8 of the column 2. And a fixing means (not shown) for fixing the movable connector 12 to at least the raised position.
The fixed connector 11 and the movable connector 12 are provided with a connection recess for pivotally connecting the end of the hook-shaped link 13.
The saddle-shaped link 13 is formed by connecting two links in the longitudinal direction as a pair of X-shaped two links and connecting their intersections.
Thus, the saddle-shaped link 13 is inserted into the coupling recesses of the fixed coupling 11 and the movable coupling 12 at both ends, and is pivotally coupled by fasteners such as bolts and nuts. A sliding contact body 14 having a substantially U-shaped cross-section for reducing the rotational resistance is externally fitted to the connecting portion between them and is pivotally connected by a fastener 15 such as a bolt or nut. A lid 16 is provided at the end of the hook-shaped link 13 except for the fixed connector 11 and the movable connector 12 side.
The fixed connector 11, the movable connector 12, the sliding contact body 14, and the lid body 16 are made of synthetic resin or the like, and the hook-like link 13 is made of a metal square pipe or the like.

The roof frame 4 has flexibility that extends from the upper part of each support column 2 to the center of the plane square and is connected so as to be foldable. In this example, the base end pivots to the fixed connector 11. The lower roof main bone 17 connected, the upper roof main bone 18 whose proximal end is pivotally connected to the distal end of the lower roof main bone 17, and the upper central connector 19 pivotally connected to the distal end of the upper roof main bone 18 And a lower roof secondary bone 20 whose proximal end is pivotally connected to the movable connector 12 and whose distal end is pivotally connected to the middle of the lower roof main bone 17, and a proximal end is pivotally connected to the middle of the lower roof secondary bone 20. The middle roof subbone 21 whose tip is pivotally connected to the base end of the upper roof main bone 18, the upper roof subbone 22 whose base end is pivotally connected to the tip of the upper roof main bone 18, and the upper roof A lower central connector 23 that is pivotally connected to the distal end of the secondary bone 22 and is located below the upper central connector 19 is provided.
An insertion connecting tool 24 is inserted into a pivoted portion of the lower roof main bone 17, the upper roof main bone 18 and the lower roof secondary bone 20 and is fastened by screws or the like.
At both ends of the lower roof main bone 17 and the sub-bones 20, 21, 22 and the upper end of the upper roof main bone 18, the fixed connector 11, the movable connector 12, the upper center connector 15, the lower center connector 20, An end connector 25 which is inserted into the insertion connector 21 so as to be able to be raised and lowered and forms a hinge portion is fitted and fixed by screws or the like.
The hinge portion is composed of a spherical locking projection formed on the end connector 25 and a locking recess formed on a counterpart of the end connector 25 and adapted to the locking projection. By engaging the locking projection with the locking recess strongly, they are coupled so that they are not easily separated.
Each of the main bones 17 and 18 and each of the sub-bones 20, 21, and 22 is made of a glass fiber round bar having flexibility, and the insertion connector 24 and the end connector 25 are made of synthetic resin. It is made by.

The auxiliary roof frame 5 has flexibility extending from the center of the plane square to the vicinity of the surrounding frame 3 between the adjacent roof frames 4. In this example, the upper central connector 19 of the roof frame 4. The lower central connector 23, one end pivoted to the upper central connector 19 and the other end extended to the vicinity of the surrounding frame 3, and one end pivoted to the lower central connector 23. An auxiliary roof sub-bone 27 pivoted near one end of the auxiliary roof main bone 26 at the other end is provided.
An insertion connecting tool 24 is inserted into a pivoted portion of the auxiliary roof main bone 26 and is fastened by screws or the like, and one end of the auxiliary roof main bone 26 and both ends of the auxiliary roof sub-bone 27 are end portions. The part connector 25 is fitted and fastened by screws or the like.
The upper central connector 19 and the lower central connector 23 include pivot portions (four) for the auxiliary roof frame 5 in addition to pivot portions (four) for the roof frame 4. A pivoting part for the auxiliary roof frame 5 is located between the pivoting parts for the adjacent roof frame 4.
As the insertion connector 24 and the end connector 25 provided on the auxiliary roof main frame 26 and the auxiliary roof subframe 27, the same ones as the roof frame 4 are used.
Similar to the roof frame 4, the auxiliary roof main frame 26 and the auxiliary roof secondary frame 27 are made of a flexible glass fiber round bar or the like.
The auxiliary roof main frame 26 is longer than the upper roof main frame 18.

  The tent sheet 6 is covered with the surrounding frame 3, the roof frame 4, and the auxiliary roof frame 5. In this example, the tent sheet 6 is made of a synthetic resin sheet or the like and covers the surrounding frame 3 and the roof frame 4. And a peripheral portion covering the peripheral frame 3.

The connecting means 7 removably connects the auxiliary roof frame 5 and the surrounding frame 3 after deployment. In this example, the connecting means 7 is provided at the other end (free end) of the auxiliary roof main bone 26 of the auxiliary roof frame 5. A first connector 28 and a second connector 29 provided in the middle of the longitudinal direction of the hook-shaped link 13 of the surrounding frame 3 and capable of engaging with and disengaging from the first connector 28 are provided.
The first connector 28 is fitted to the free end of the auxiliary roof main bone 26 using the end connector 25.
The second connector 29 is provided at an upper connecting portion located in the middle in the longitudinal direction of the bowl-shaped link 13 of the surrounding frame 3. Specifically, it is provided integrally with the sliding contact body 14 disposed at the connecting portion of the bowl-shaped link 13. The sliding contact body 14 is formed with a locking concave portion corresponding to the spherical locking convex portion of the end connecting portion 25, and these have a degree of engagement so that they can be attached and detached.

  The distance L1 from the pivot point A between the upper roof main bone 18 and the upper roof subbone 22 to the pivot point B between the upper roof main bone 18 and the upper central connector 19 in the roof frame 4, and the auxiliary roof frame 5, the distance L2 from the pivot point C between the auxiliary roof main frame 26 and the auxiliary roof sub-bone 27 to the pivot point D between the auxiliary roof main frame 26 and the upper central connector 19 is different. In this example, the distance L2 is larger than the distance L1 (L2> L1), and the difference (L2-L1) is about 5 to 10 mm.

Next, the operation will be described based on such a configuration.
After the tent sheet 6 is put on the foldable tent 1 in the folded state, when the four support columns 2 are spread out in a plane, the peripheral frame 3 between the support columns 2 adjacent in the circumferential direction is extended, and the roof The frame 4 rises while extending, and the auxiliary roof frame 5 is deployed corresponding to the roof frame 4. That is, the folding tent 1 changes from the contracted state of FIG. 4 to the expanded state of FIGS. 1 and 3.

After deployment, the free end of the auxiliary roof frame 5 is pushed down, and the auxiliary roof frame 5 and the surrounding frame 3 are connected by the first connector 28 and the second connector 29 of the connecting means 7.
Then, the flexible roof frame 4 and the auxiliary roof frame 5 are bent in a bow shape, and a dome-shaped roof is formed by these. At this time, the tent sheet 6 is covered with the roof frame 4, the auxiliary roof frame 5, and the surrounding frame 3.

Since the auxiliary roof frame 5 is provided between the adjacent roof frames 4, the tent sheet | seat 6 of the same part by this is tensioned and does not loosen.
After the deployment, the auxiliary roof frame 5 and the surrounding frame 3 are connected by the connecting means 7, so that the strength of both the folding tent 1 as a whole is improved. For this reason, even if a strong wind or the like acts, the auxiliary roof frame 5, the surrounding frame 3 and the tent sheet 6 in the vicinity thereof are not damaged or deformed.

  The distance L2 from the pivot point C between the auxiliary roof main frame 26 and the auxiliary roof secondary frame 27 in the auxiliary roof frame 5 to the pivot point D between the auxiliary roof main frame 26 and the upper central connector 19 is the roof frame. 4 is larger than the distance L1 from the pivot point A between the upper roof main bone 18 and the upper roof secondary bone 22 to the pivot point B between the upper roof main bone 18 and the upper central connector 19. The auxiliary roof frame 5 is deployed before the roof frame 4, and the auxiliary roof frame 5 is contracted after the roof frame 4. As a result, there is no possibility that the roof frame 4 and the auxiliary roof frame 5 are intertwined.

  The first connecting member 28 of the connecting means 7 uses the end connecting member 25, and the second connecting member 29 uses the sliding contact 14 provided at the connecting portion of the flange-like link 13 of the surrounding frame 3. Since it is provided integrally therewith, the structure can be simplified and the cost can be reduced.

Next, a modification of the present invention will be described.
As shown by the chain line in FIG. 4, the foldable tent 1 includes a central column 30 that is penetrated by the upper central connector 19 so as to be movable up and down and has a lower end fixed to the lower central connector 23. The central support column 30 has a hemispherical portion at the upper end.
Such a thing can be made into a roof shape in which only the central part protrudes upwards as a dome shape as a whole. In addition, since the central column 30 is provided, this serves as a guide means for the lower central connector 23, and the lower central connector 23 is appropriately raised and lowered with respect to the upper central connector 19.

In the above example, the peripheral frame 3 is formed by connecting two sets of hook-shaped links 13. However, the present invention is not limited to this. For example, the frame 3 is formed by combining one set of hook-shaped links 13 or three or more sets. It was good too.
In the previous example, the distance L2 between the auxiliary roof frame 5 and the roof frame 4 is larger than the distance L1 between the roof frames 4. However, the present invention is not limited to this. For example, these may be reversed. .
In the previous example, the connecting means 7 has a spherical engaging convex portion formed on the first connecting member 28 and an engaging concave portion that fits the engaging convex portion on the second connecting member 29. For example, these may be reversed.
In the previous example, the connecting means 7 used spherical locking projections and locking recesses. However, the connection means 7 is not limited to this, and for example, a hook-shaped locking projection and a hook-shaped locking recess. Alternatively, a hook-shaped locking projection and an annular locking recess may be used.
In the previous example, the connection means 7 is provided with the second connection tool 29 integrally with the sliding contact body 14 of the surrounding frame 3. 15 may be attached together with the slidable contact body 14 or may be attached to the slidable contact body 14 or the saddle-shaped link 13 according to another fastener.

  DESCRIPTION OF SYMBOLS 1 ... Folding tent, 2 ... Post, 3 ... Surrounding frame, 4 ... Roof frame, 5 ... Auxiliary roof frame, 6 ... Tent sheet, 7 ... Connecting means, 8 ... Upper support, 9 ... Lower support, 10 ... Seat Plate 11, fixed connector 12, movable connector 13, hooked link 14, sliding contact body 15, fastener 16, lid body 17 lower roof main bone 18 upper roof main bone DESCRIPTION OF SYMBOLS 19 ... Upper center connector, 20 ... Lower roof secondary bone, 21 ... Middle roof secondary bone, 22 ... Upper roof secondary bone, 23 ... Lower center secondary connector, 24 ... Insertion connector, 25 ... End connection tool, 26 ... auxiliary roof main bone, 27 ... auxiliary roof secondary bone, 28 ... first connector, 29 ... second connector, 30 ... center post, A, B, C, D ... pivot point, L1, L2 ... distance.

Claims (4)

Struts arranged at the corners of the plane square, peripheral frames that connect the upper parts of the pillars adjacent to each other in the circumferential direction, and extend from the upper part of each pillar to the center of the plane square, and each can be folded A flexible roof frame connected to each other; a flexible auxiliary roof frame extending from a planar rectangular center to a surrounding frame between adjacent roof frames; a surrounding frame, a roof frame, and an auxiliary roof A foldable tent comprising: a tent sheet covered with a frame; and a connecting means for detachably connecting the auxiliary roof frame and the surrounding frame after deployment. The peripheral frame includes a fixed connector provided at an upper portion of the column, a movable connector provided on the column below the fixed connector so as to be movable up and down, and a fixed connector and a movable connector of columns adjacent to each other in the circumferential direction. The roof frame has a lower roof main frame whose base end is connected to the fixed connector and an upper part whose base end is connected to the tip of the lower roof main frame. The roof main frame, the upper central connector pivotally connected to the tip of the upper roof main frame, and the lower roof secondary pivoted to the middle of the lower roof main frame with the proximal end pivoted to the movable connector Bone, middle roof subbone with proximal end pivoted to the middle of lower roof subbone and distal end pivoted to proximal end of upper roof main bone, and proximal end closer to distal end of upper roof main bone A pivoted upper roof subbone and a lower central connector pivoted to the tip of the upper roof subframe and positioned below the upper central connector The auxiliary roof frame is composed of an upper center connector and a lower center connector of the roof frame, an auxiliary roof main frame having one end pivotally connected to the upper center connector and the other end extending to the vicinity of the surrounding frame, and one end at the lower center. An auxiliary roof secondary bone pivotally connected to the connector and having the other end pivotally connected to one end of the auxiliary roof main bone, and the connecting means is provided at the other end of the auxiliary roof main bone of the auxiliary roof frame. The foldable tent according to claim 1, further comprising: one connector and a second connector that is provided in the middle in the longitudinal direction of the hook-shaped link of the surrounding frame and that can be engaged with and disengaged from the first connector. The distance from the pivot point of the upper roof main bone and the upper roof secondary bone in the roof frame to the pivot point of the upper roof main bone and the upper central joint, and the auxiliary roof main bone in the auxiliary roof frame The foldable tent according to claim 2, wherein the distance from the pivot point of the auxiliary roof secondary bone to the pivot point of the auxiliary roof main frame and the upper central connector is different. The foldable tent according to claim 2, further comprising a central column that is penetrated by the upper central connector so as to move up and down and has a lower end fixed to the lower central connector.

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