JP6683995B2 - Tent frame - Google Patents

Description

  The present invention relates to a tent frame used for, for example, indoor and outdoor gatherings, entertainments, events, etc., and in particular, a tent for propelling and supporting the awning from below the awning, and partially supporting the awning. The present invention relates to a tent frame that can be stretched up.

  Conventionally, as this type of tent frame, for example, a type in which a pillar is supported by a wire stretched diagonally on a rectangular frame supported by four legs (Patent Documents 1 and 2), a telescopic type of pantograph mechanism A type in which a beam supports a strut (Patent Document 3, etc.), a type in which a strut is provided on the top of a gassho frame erected at four corners of a rectangular girder frame supported by four legs (Patent Document 4, etc.), Are known.

JP-A-2002-81227 JP 2004-316103 A JP, 2010-270433, A JP, 2002-138713, A

  A tent that is stretched in a partially raised shape such as a pyramid has excellent drainage and design of rainwater, but compared with a flat tent tent, when a strong wind blows Crosswind is easily received, and a large lateral load is applied to the tent frame via the awning, which tends to cause the tent to collapse.

  However, with this type of conventional tent frame, if there is a risk that the wind blows out and the tent collapses, it is necessary to fold or disassemble the tent frame, and especially for a foldable tent frame. It was necessary to carry out the items placed under the tent from under the tent, and in any case, it took time and labor, and quick response was difficult.

  Therefore, it is a primary object of the present invention to provide a tent frame in which the awning can be partly pushed up and stretched, and which can promptly deal with the risk of tent collapse when a strong wind occurs.

  In order to achieve the above-mentioned object, the first means of the tent frame according to the present invention is a skeleton frame having a frame body and a plurality of legs supporting the frame body, and a column support connected to the skeleton frame. A support body supported by the support pillar, and the support pillar includes a guide portion that guides the support pillar so that the support pillar can move up and down along a length direction thereof, and a predetermined push-up height position. Locking means for locking the pillar to support the pillar at a position, and by releasing the locking of the locking means, the pillar is guided from the predetermined thrust-up position to the guide portion. It is characterized in that it is configured to freely fall.

  A second means of the tent frame according to the present invention is the tent frame according to the first means, wherein a pin hole is formed on a side surface of the pillar, and the locking means is insertable into and removable from the pin hole. It is characterized by comprising a pin capable of supporting a load.

  A third means of the tent frame according to the present invention is the tent frame according to the first or second means, wherein the support pillar is swingably connected to the guide portion and a free end portion is engaged with the frame body. A plurality of arms having engageable engaging portions, wherein the plurality of arms are assembled in a palm-like shape on the frame by engaging each of the engaging portions with the frame. It is characterized by being configured.

  A fourth means of the tent frame according to the present invention is the tent frame according to the third means, wherein the engagement portion is in contact with the upper surface and the inner side surface of the frame body, and the contact portion is in contact with the upper surface. And a locking pin projecting from the locking pin, and a locking hole into which the locking pin is inserted is formed in the upper surface of the frame body.

  A fifth means of the tent frame according to the present invention is characterized in that, in the third or fourth means, the engaging portion is swingably attached to the arm.

  A sixth means of the tent frame according to the present invention is the tent frame according to any one of the third to fifth means, wherein the guide portion is tubular and the support column supports the guide portion in a vertical direction. It further comprises a connection assisting member that connects the frame body and the guide portion so as to support them.

  A seventh means of the tent frame according to the present invention is characterized in that, in the sixth means, the connection assisting member includes a tension adjusting portion.

  Eighth means of the tent frame according to the present invention is the sixth or seventh means, wherein the guide portion includes a first connecting portion for detachably connecting one end portion of the connecting auxiliary member. Is characterized by.

  A ninth means of the tent frame according to the present invention is the twelfth means according to the eighth means, wherein the first connecting portion is provided with a flange portion projecting from an outer peripheral surface of the guide portion and to which one end portion of the connecting auxiliary member is connected. It is characterized by

  The tenth means of the tent frame according to the present invention is the second connecting portion according to the eighth or ninth means, which is attached to the frame body and detachably connects the other end of the connecting auxiliary member. Further, the frame body has a plurality of horizontal members having a T-groove on the inner peripheral side, and a joint portion connecting the horizontal members, and the second connecting portions are adjacent to each other. It is characterized in that it is provided with an engaging convex portion which is inserted into and engaged with the T groove of the lateral member.

  According to the present invention, even if the tent frame is not folded or disassembled, only the support pillars that push up the awning from below and support them can be freely fallen. It is possible to prevent collapse and the like.

It is a perspective view showing one embodiment of the tent frame concerning the present invention. It is a front view which shows the pillar support body which is a component of this invention. It is a top view which shows the state which opened the arm of the pillar support body of FIG. It is a front view which shows the guide part which is a component of the support pillar of FIG. It is a top view of the tent frame of FIG. FIG. 5 is a VI-VI plan view of FIG. 4. It is a front view which expands and shows a part of tent frame of FIG. It is another front view which expands and shows a part of tent frame of FIG. The 2nd connection part which is a component of this invention is shown, (a) is a top view, (b) is a right side view, (c) is a front view. It is a perspective view which expands and shows a part of tent frame of FIG. It is a front view which shows the state in the middle of the assembly of the tent frame of FIG. FIG. 12 is a front view showing a step that follows the assembly step of FIG. 11. It is a front view which shows the state which extended the support | pillar in the step following the assembly step of FIG. It is a front view which shows the state which extended the leg from the stage of FIG.

  One embodiment of the tent frame according to the present invention will be described below with reference to FIGS. 1 to 14.

  With reference to FIG. 1, the tent frame 1 includes a frame frame 23 having a frame body 2 and four legs 3 that are respectively connected to four corners of the frame body 2 to support the frame body 2, and an awning 7 ( (See FIG. 14), a pillar 5 for partially pushing up and supporting the pillar 5 from below, and a pillar support 4 which is connected to the frame 23 and supports the pillar 5.

  2 to 4, the strut support 4 further includes a guide portion 4a for guiding the strut 5 so as to be vertically movable along its length, and an upper end portion 5a of the strut 5 from the guide portion 4a. Locking means 4b (FIG. 4) that locks at a position where the length is projected (position shown in FIG. 1).

  The support pillar 4 is swingably connected to the outer peripheral portion of the guide portion 4a at equal angular intervals, and also has four arms 4c engageable with the frame body 2 so as to form a palm structure on the frame body 2. (See the plan view of FIG. 3).

  The arm 4c is swingably attached to a shaft 4a2 of a bracket 4a1 attached to the upper end of the guide portion 4a. Note that, in FIG. 2, the arm 4c that should appear in front of the drawing is shown by an imaginary line for convenience of illustration. In the illustrated example, the guide portion 4a has a tubular shape having a predetermined length and uses a metal square pipe.

  FIG. 4 is a front view showing a state in which the column 5 and the arm 4c are removed from the column support 4. Referring to FIG. 4, the locking means 4b fixes the index plunger 4b1 to the guide portion 4a, and a pin hole (not shown) into which the plunger pin 4b2 of the index plunger 4b1 is fitted is formed in the column 5. Has been done. The index plunger 4b1 is screwed to the nut 4b3 welded to the guide portion 4a.

  When the knob 4b4 of the index plunger 4b1 is pulled, the pillar 5 becomes slidable in the guide portion 4a, and when the plunger pin 4b2 is fitted into the pin hole of the pillar 5 by the biasing force of the built-in spring (not shown), the pillar 5 5 is not slidable with respect to the guide portion 4a and is fixed in position, and the load of the column 5 is supported by the plunger pin 4b2. As the locking means 4b, instead of the index plunger 4b1, or in addition to the index plunger 4b1, other locking means such as a shaft lock pin, a ball lock pin, and other pins can be adopted.

  Since the locking means 4b bears the load of the support column 5, if the plunger pin 4b2 is pulled out from the pin hole of the support column 5 and the locking of the locking means 4b is released, the support column 5 loses its load. , Falls freely while being guided by the guide portion 4a from a predetermined thrust position by its own weight.

  The first connecting portion 4d (FIGS. 2 to 4) is attached to the guide portion 4a of the column support 4. On the other hand, the frame 2 has the second connecting portions 2a (FIG. 5) attached to the four corners. The second connecting portions 2a at the four corners of the frame body 2 and the first connecting portions 4d of the guide portions 4a are connected by the connecting auxiliary member W.

  In the illustrated example, the connection assisting member W is four wires. The tension adjusting portion T is interposed in one of the four wires. In the illustrated example, the tension adjusting portion T is a turnbuckle. A belt, a chain, a metal rod, or the like can be used as the connection assisting member W instead of the wire. Further, the tension adjusting section T may be provided with a known tension adjusting section according to the material of the connection assisting member W or the like instead of the turnbuckle. In addition, although the tension adjusting portion T is provided only on one wire (W) in the illustrated example, it may be provided on another wire.

  The frame body 2 has a quadrangular cross section and is preferably formed of an aluminum alloy profile. 2, 3, and 7, the arm 4c includes an arm body 4c1 and an engagement portion 4c2 swingably provided at a free end of the arm body 4c1 and engageable with the frame body 2. Is equipped with.

  In the illustrated example, the bracket 4c3 is fixed to the engaging portion 4c2, the bracket 4c3 is rotatably attached to the end of the arm 4c via the shaft 4c4, and the engaging portion 4c2 is swingable on the arm 4c. It is provided.

  Referring to FIG. 7, the engaging portion 4c2 includes an abutting portion 4c5 that abuts on the inner side surface 2c of the frame body 2, and a locking pin 4c7 that projects from an abutting portion 4c6 that abuts on the upper surface 2b of the frame body 2. , Are provided. A locking hole 2d into which the locking pin 4c7 is inserted is formed on the upper surface 2b of the frame body 2.

  The arm 4c is swingably connected to an upper portion of a cylindrical guide portion 4a, and the first connecting portion 4d is provided below the guide portion 4a. Referring to FIG. 6, the first connecting portion 4d includes a flange portion 4d1 protruding from the outer peripheral surface of the guide portion 4a, and four first connecting holes 4d2 formed in the flange portion 4d1. As shown in FIG. 5, the four first connecting holes 4d2 are formed at diagonal positions of the square frame body 2. As shown in FIG. 1, when the pillar support 4 is installed on the frame body 2, the second connecting portion 2a and the first connecting portion 4d are configured to have substantially the same height.

  Referring to FIG. 5, the frame body 2 has four horizontal members 2e and joint portions 2f that connect the horizontal members 2e at the four corners of the frame 2. The horizontal member 2e can be formed of a hollow aluminum alloy shaped material, and as shown in FIG. 8, the joint portions 2f are in three directions orthogonal to each other (only two directions are shown in FIG. 8). 2 of the insertion portions 2f1 of which the two insertion portions 2f1 are inserted into the horizontal member 2e, and the remaining one insertion portion 2f1 is inserted into the leg body 3. A bolt 6 inserted from a bolt hole (not shown) formed in the horizontal member 2e is screwed into a screw hole (not shown) formed in the insertion portion 2f2 to connect the horizontal member 2e and the joint portion. 2f are connected to each other.

  The leg body 3 can be formed of a hollow aluminum alloy shaped material, and referring to FIG. 8, the insert portion 2f1 of the joint portion 2f is inserted from the upper end portion of the leg body 3 to form the insert portion 2f1. The bolt 6 inserted through the bolt hole (not shown) formed in the leg 3 is screwed into the formed screw hole (not shown), and the leg 3 and the joint portion 2f are connected to each other. .

  With reference to FIG. 1, the leg body 3 is of a telescopic type having a double pipe structure including an outer pipe 3a and an inner pipe 3b inserted into the outer pipe 3a from below, and is configured to extend and contract with the outer pipe 3a at a predetermined extension. It has a lock mechanism 3c for locking the inner pipe 3b. The lock mechanism 3c can be configured by a plunger pin of an index plunger fixed to the outer pipe 3a penetrating a pin hole (not shown) formed in the outer pipe 3a and the inner pipe 3b. Instead of the index plunger, or in addition to the index plunger, another lock mechanism such as a shaft lock pin or a ball lock pin can be adopted.

  Referring to FIGS. 9 and 10, the horizontal member 2e has a T groove 2t on the inner peripheral side. 9 and 10, the second connecting portion 2a is formed in the connecting plate 2a2 in which the second connecting hole 2a1 is formed and in the T-groove 2t of the horizontal member 2e adjacent to each other formed in the connecting plate 2a2. And an engaging protrusion 2a3 that is inserted and engaged.

  The tent frame having the above structure is assembled as follows. First, the joint portion 2f is connected to each of the four legs 3. Next, the four horizontal members 2e are connected to the joint portion 2f, the frame body 2 is formed on the four leg bodies 3, and the frame body 23 is formed. When connecting the joint portion 2f to the horizontal member 2e, the engaging protrusion 2a3 of the second connecting portion 2a is inserted into the T groove 2t on the inner peripheral side of the horizontal member 2e from the end face opening side and engaged. After the four legs 3, the four joint portions 2f, and the four horizontal members 2e are connected to each other and bolting is completed, the support column 4 is installed on the frame body 2 as shown in FIG. To do.

  The pillar support 4 is installed on the frame 2 by the following procedure. The four arms 4c are opened to engage the engaging portions 4c2 at the respective free ends with the four horizontal members 2e. Specifically, the locking pin 4c7 of the engaging portion 4c2 is inserted into the locking hole 2d of the horizontal member 2e and locked. The locking hole 2d is formed at an intermediate position in the longitudinal direction of the horizontal member 2e. The abutting portions 4c6 and 4c5 of the engaging portion 4c2 come into contact with the upper surface 2b and the inner side surface 2c of the horizontal member 2e, respectively. The four arms 4c having the engaging portions 4c2 engaged with the horizontal members 2e are inclined upward from the respective longitudinal intermediate positions of the four horizontal members 2e toward the center of the frame body 2. 1 and extends to form a crossing palm structure on the frame body 2 as shown in FIG.

  Next, the second connecting portions 2a at the four corners of the frame body 2 and the first connecting portion 4d at the lower portion of the guide portion 4a are connected by the four wires forming the connection assisting member W, respectively. As described above, a turnbuckle forming the tension adjusting portion T is interposed in one of the four wires forming the connection assisting member W. The three wires without the tension adjusting portion T interposed are set to have a length such that the support column 5 is located at the center position of the frame body 2, and the tension of the tension adjusting portion T is relaxed to allow the second connecting portion 2a to be released. And the wire which comprises the connection assistance member W is connected with the 1st connection part 4d. By adjusting the tightening degree of the tension adjusting portion T, the four wires forming the coupling assisting member W are adjusted to a predetermined tension, the inclination of the support column 5 is corrected in the vertical direction, and the frame 2 of the frame 2 is adjusted. A deformation from a default shape (square in the illustrated example) (a slight rhombus in the illustrated example, etc.) is corrected to the default shape. FIG. 11 is a front view showing a state in which the support pillar 4 is installed on the frame body 2 and four wires constituting the connection assisting member W are stretched.

  After adjusting the tightening of the tension adjusting portion T, as shown in FIG. 12, the awning 7 (shown by phantom lines) is put over the support pillar 4. Although not shown, the awning 7 is attached by, for example, binding a fastening string attached to the awning 7 to the horizontal member 2e or the like.

  After the awning 7 is covered on the support pillar 4 and the frame body 2, as shown in FIG. 13, the support pillar 5 is slid in the guide portion 4a to be projected upward from the guide portion 4a, and a predetermined push-up height position ( It is locked by the locking means 4b at the position shown in FIG.

  After attaching the awning 7 and extending the support column 5, as shown in FIG. 14, the leg body 3 is extended and locked by the lock mechanism 3c at a predetermined extension position to complete the tent.

  In the tent frame 1 having the above configuration, when the support 5 is unlocked by the locking means 4b in the assembled state of FIG. 13 or 14, the support 5 is free fall while being guided by the guide portion 4a. The free-falling column 5 falls to the position shown in FIG. In the illustrated example, the upper end portion 5a of the column 5 serves as a stopper, and the upper end portion 5a falls until it comes into contact with the upper end portion of the guide portion 4a. The upper end portion 5a can be a resin cap fixed to the upper end of the column 5.

  Therefore, in the case where a strong wind blows out with the awning 7 stretched and the assembly of the tent is completed, the locking means 4b can be released, the pillar 5 can be quickly lowered, and the tent 7 pushed up can be lowered quickly. As a result, it is possible to reduce the influence of cross winds due to strong winds and quickly prevent the tent from collapsing.

  In addition, since the support column 4 supports the guide portion 4a with the arm 4c forming the gas palm structure, and the support column 5 is supported by the guide portion 4a, it is possible to stably support even the long support column. You can

  If the arm 4c has a structure in which the locking pin 4c7 is inserted into the locking hole 2d of the horizontal member 2e, the arm 4c can be easily inserted and removed, and can be easily assembled and disassembled.

  Since the arm 4c is swingably connected to the outer periphery of the guide portion 4a, it can be made compact by removing the arm 4c from the frame 2 and folding the arm 4c along the guide portion 4a. It is suitable for storage and transportation.

  Since the arm 4c is connected to the upper portion of the guide portion 4a and the first connecting portion 4d is provided at the lower portion of the guide portion 4a, the upper portion of the guide portion 4a is firmly supported by the chisel structure, and the lower portion of the guide portion 4a is The four wires forming the connection assisting member W are pulled in four directions so that the support column 5 is oriented in the vertical direction, so that the awning (see FIG. 14) receives a strong wind and a large force is applied to the upper end portion of the support column 5. Even if received, the column 5 can be firmly supported.

  By forming four first connecting holes 4d2 for connecting the connection assisting member W to the flange 4d1 projecting the first connecting portion 4d from the outer peripheral surface of the guide portion 4a, a connection assist formed by a wire or the like. The mounting structure of the member W is simplified. In addition, since the auxiliary connecting member W formed of a wire or the like does not cross below the guide portion 4a, it does not interfere with the free fall of the support column 5 from the guide 4a.

  The present invention should not be construed as being limited to the above-described embodiment, and various modifications can be adopted without departing from the spirit of the present invention.

  For example, with respect to the frame body, a square frame body is exemplified in the above embodiment, but a polygonal frame body other than a square frame, a circular frame, an elliptical frame frame, or the like may be used.

  Further, regarding the legs, four legs are illustrated in the above embodiment, but the number of legs is not limited to four, and three or more legs can be provided depending on the shape of the frame.

  Further, in the above-described embodiment, the embodiment in which the number of support columns is one is illustrated, but the number of support columns is not limited to one, and a plurality of support columns may be provided separately.

  Further, the locking means is exemplified by the plunger pin attached to the guide portion in the above-mentioned embodiment, but any means can be used as long as the pillar 5 can be locked at a predetermined push-up height position. A plunger pin is attached inside and the plunger pin is provided on the surface of the column so that the plunger pin can be retracted and retracted, so that the upper end edge of the guide portion is configured to be locked, and locking means on the side of the column can also be provided.

  Further, although the square pipe is illustrated as the guide portion in the above-described embodiment, the guide portion is not limited to the square pipe, and the shape and the like are not limited as long as the pillar can be guided along the length direction thereof.

  Further, in the above-described embodiment, the guide portion has a cylindrical shape, the arm swingably coupled to the upper portion of the guide portion is engaged and coupled to the frame body, and the lower portion of the guide portion is coupled to the frame body by the coupling assisting member. Although the guide part is supported vertically along the length direction, in order to support the guide part vertically, instead of the connecting auxiliary member shown, for example, the middle of the lower part of the guide part and the arm. The guide portion may be directed in the vertical direction by connecting the guide portion with another connecting auxiliary member.

  Further, the frame and the arm may have a conventionally known foldable structure in a folding tent such as a scissors shape, an X-link mechanism, or a pantograph mechanism (for example, Japanese Patent Laid-Open No. 2000-154671).

  Although the example in which the arm engages with the frame body has been shown in the above embodiment, it is also possible to adopt a configuration in which the arm engages with the leg body, and a configuration in which the arm engages with both the frame body and the leg body. Can also be adopted.

DESCRIPTION OF SYMBOLS 1 tent frame 2 frame 2a 2nd connection part 2a1 2nd connection hole 2a2 connection plate 2a3 engagement convex part 2e horizontal bridge 2f joint part 2t T groove 3 leg 4 pillar support 4a guide part 4b locking means 4c Arm 4c1 Arm body 4c2 Engagement parts 4c5, 4c6 Abutment part 4c7 Locking pin 4d First connection part 4d1 Collar part 4d2 First connection hole 5 Strut 23 Frame frame W Connection auxiliary member

Claims (7)

A frame frame having a frame body connected to a horizontal member having a quadrangular cross section and a plurality of legs supporting the frame body, a column support body connected to the frame frame, and a column support body supported by the column support body. And a pillar,
The strut support is a guide portion for vertically movably guided along the strut in its longitudinal direction, and locking means for supporting the strut engages on the post at a predetermined push-up height position location And releasing the locking of the locking means, the strut is guided by the guide portion from the predetermined push-up height position so as to fall freely .
The strut support includes a plurality of arms that are swingably connected to the guide portion and that have a free end that has an engaging portion that is engageable with the frame body.
The engaging portion includes an abutting portion that abuts the upper surface and the inner side surface of the frame body, and a locking pin that projects from the abutting portion that abuts the upper surface of the frame body,
A locking hole into which the locking pin is removably inserted is formed on the upper surface of the frame body,
In each of the plurality of arms, the locking pin is removably inserted into the locking hole, and each of the engaging portions engages with the frame body to thereby guide the guide portion on the frame body. The tent frame is constructed so that it is inclined upward and extends straight to be assembled . The tent frame according to claim 1 , wherein the engaging portion is swingably attached to the arm. The guide portion is tubular, and the support pillar further includes a connection auxiliary member that connects the frame body and the guide portion so as to support the guide portion in a vertical direction. The tent frame according to claim 1 or 2 . The tent frame according to claim 3 , wherein the connection assisting member includes a tension adjusting portion. The guide portion is tent frame according to claim 3 or 4, characterized in that it comprises a first coupling part for detachably connecting one end of the coupling auxiliary member. The tent frame according to claim 5 , wherein the first connecting portion includes a flange portion that protrudes from an outer peripheral surface of the guide portion and is connected to one end portion of the connecting auxiliary member. Further comprising a second connecting portion attached to the frame body for detachably connecting the other end portion of the connecting auxiliary member,
The frame body has a plurality of horizontal members having a T groove on the inner peripheral side, and a joint portion connecting the horizontal members,
The tent frame according to claim 5 or 6 , wherein the second connecting portion includes an engaging convex portion that is inserted into and engaged with a T groove of the adjacent horizontal members.