JP7265272B2 - 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, it is provided with pillars for pushing up and supporting the awning from under the awning. It relates to a tent frame that can be pitched in a raised configuration.

Conventionally, as shown in FIGS. 27 and 28, a frame 31 to which horizontal members 31a are connected, a plurality of legs 32 for supporting the frame 31, and a column support 33 connected to the frame 31. , and struts 34 supported by strut supports 33 (see Patent Document 1).

The column support 33 includes a guide portion 33a that guides the column 34 so that it can move up and down along its length, and a locking means (illustrated) that locks the column 34 at a predetermined thrust height to support the column. omitted) and a plurality of arms 33b which are pivotably connected to the guide portion 33a and have engaging portions 33b1 whose free ends can be engaged with the frame 31. Each of the engaging portions 33b1 is configured to be assembled on the frame 31 by engaging with the frame 31. As shown in FIG.

JP 2019-214924 A

The above-described conventional tent frame 30 is superior in that the tent frame 30, in which the tent can be partially pushed up and stretched, can quickly cope with the risk of the tent collapsing when a strong wind occurs. As the size of the tent frame 30 increases, the weight of the awning covering the tent frame 30 increases. When the weight of the awning is applied from the support 34 to the horizontal member 31a through the arm 33b, the horizontal member 31a is pushed outward by the arm 33b. There is a risk of bending. When the horizontal member 31a curves outward, the height of the pillar 34 is lowered accordingly, which causes slackness in the inside of the periphery of the frame 31 on which the awning is hung, and the slackened awning part is exposed to rain. There is a problem of rainwater collecting.

SUMMARY OF THE INVENTION Accordingly, it is a primary object of the present invention to provide a tent frame that can prevent horizontal members from bending even if the weight of the awning increases, thereby preventing puddles from forming on the awning.

In order to achieve the above object, a first aspect of the tent frame according to the present invention includes a frame body connecting horizontal members, a plurality of legs supporting the frame body, and a tent frame connected to the frame body. A column support to be supported, and a column supported by the column support. The column support includes a guide portion that guides the column so that it can move up and down along its length direction, and a predetermined A plurality of locking means for locking and supporting the support column at a raised height, and a plurality of engaging portions that are swingably connected to the guide portion and that engage with the frame at free ends. and an arm configured to be assembled on the frame by engaging the engaging portion with the frame, and connecting the arm and the lower end of the post so as to be adjustable in length It is characterized by further comprising a first connecting member.

In a second aspect of the tent frame according to the present invention, in the above-described first aspect, a plurality of the column supports are provided, and adjacent arms of the column supports are connected to each other. Accordingly, it is characterized by further comprising a second connecting member that is connected to each other and connects the lower ends of the respective columns of the adjacent column supports so that the length thereof can be adjusted.

A third aspect of the tent frame according to the present invention is a tent frame according to the first or second aspect, provided with a plurality of the column supports, and the column supports arranged adjacent to each other are arranged at the tops of the respective adjacent columns. are connected to each other by being connected to each other.

According to the present invention, since the arm and the lower end of the column are connected by the first connecting member whose length is adjustable, even if the weight of the awning increases, the length of the first connecting member can be adjusted by adjusting the length of the first connecting member. Since the support can be lifted, it is possible to prevent the bending of the horizontal members and prevent the formation of puddles on the awning.

It is a front view showing one embodiment of a tent frame concerning the present invention. FIG. 2 is a plan view of the tent frame shown in FIG. 1; FIG. 2 is an enlarged view of a main part of the tent frame shown in FIG. 1; FIG. 4 is a front view showing a column support that is a constituent member of the tent frame; FIG. 5 is a plan view showing a state in which the arms of the column support shown in FIG. 4 are opened; Fig. 4 is an enlarged plan view of the first connecting portion attached to the support post; It is the 4th connection part attached to the support|pillar which is a structural member of a tent frame. FIG. 2 is a front view showing an enlarged part of the tent frame of FIG. 1; 1. 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 a tent frame is shown, (a) is a top view, (b) is a right side view, (c) is a front view. FIG. 2 is a perspective view showing an enlarged part of the tent frame of FIG. 1; FIG. 4 is an enlarged view of a second connecting member that is a component of the tent frame; FIG. 2 is a front view of the tent frame shown in FIG. 1 in the middle of assembly, with the tent frame covered with an awning. FIG. 14 is a front elevational view of the struts extended, showing a stage subsequent to the assembly stage of FIG. 13; FIG. 15 is a front view showing a stage following the assembling stage of FIG. 14 and showing a state in which the arm and the lower end of the support are connected by the first connecting member; Figure 16 shows a stage following the assembly stage of Figure 15, showing a front view with the legs extended; FIG. 4 is a front view showing another embodiment of the tent frame according to the present invention; Figure 18 is a plan view of the tent frame shown in Figure 17; Figure 18 is a side view of the tent frame shown in Figure 17; FIG. 18 is an enlarged view of a main part of the tent frame shown in FIG. 17; 18 is an enlarged cross-sectional view of a state in which the tops of two adjacent struts of the tent frame shown in FIG. 17 are connected by a top connecting member; FIG. FIG. 18 is a front view showing a state in the middle of assembling the tent frame of FIG. 17; 23 is a front view of the tent frame with the awning over the tent frame, showing a stage subsequent to the assembly stage of FIG. 22, with the adjacent arms connected and the tops of the two stanchions connected with a top connecting member; FIG. Figure 24 is a front view of the stage following the assembly stage of Figure 23, with the two struts extended; FIG. 25 is a front view showing a stage subsequent to the assembly stage of FIG. 24, in which the arm and the lower ends of the two columns are connected with the first connecting member and the lower ends of the two columns are connected with the second connecting member; is. Figure 26 is a front view of the stage following the assembly stage of Figure 25 with the legs extended; 1 is a perspective view showing one embodiment of a conventional tent frame; FIG. Figure 28 is a plan view of the tent frame shown in Figure 27;

An embodiment of the tent frame 1 according to the present invention will be described below with reference to FIGS. 1 to 16. FIG.

Referring to FIGS. 1 and 2, a tent frame 1 includes a square-shaped frame body 2 connecting four horizontal members 2a, and four corners of the frame body 2 connected to each other to support the frame body 2. Four legs 3, a column support 4 connected to and supported by the frame 2, a column 6 supported by the column support 4 for partially pushing up and supporting the awning 5 from below, and a column. It has a first connecting member 7 that connects a part (arm 4c) of the support 4 and the lower end of the support 6 so that the length can be adjusted.

3 to 5, the column support 4 includes a guide portion 4a that guides the column 6 so as to be movable up and down along its length, and an upper end portion of the column 6 extending from the guide portion 4a by a predetermined distance. and locking means 4b for locking at the protruding position (the position shown in FIGS. 2 and 3).

The column support 4 is connected to the outer peripheral portion of the guide portion 4a at equal angular intervals so as to be swingable, and is capable of being engaged with the frame 2 so as to form a joint structure on the frame 2. It has an arm 4c (see the plan views of FIGS. 2 and 5).

Each arm 4c is rotatably attached to a shaft 4a2 of a bracket 4a1 attached to the upper end of the guide portion 4a. In FIG. 4, the arm 4c, which should appear in front of the drawing, is omitted. In the illustrated example, the guide portion 4a has a tubular shape with a predetermined length, and uses a metal square pipe.

Referring to FIG. 4, the locking means 4b fixes the index plunger to the guide portion 4a. It is The index plunger is screwed onto a nut 4b1 welded to the guide portion 4a.

When the knob of the index plunger is pulled, the column 6 can slide in the guide portion 4a, and when the plunger pin is fitted into the pin hole of the column 6 by the biasing force of the built-in spring (not shown), the column 6 moves to the guide portion. It becomes non-slidable with respect to 4a and fixed in position, and the load of the support 6 is supported by the plunger pin. Incidentally, the locking means 4b may employ other locking means 4b, such as a shaft lock pin, a ball lock pin, or other pins, instead of or in addition to the index plunger.

Since the locking means 4b supports the load of the post 6, if the plunger pin is pulled out from the pin hole of the post 6 to release the locking of the locking means 4b, the post 6 will have nothing to support the load. , free fall while being guided by the guide portion 4a from a predetermined push-up position by its own weight.

A first connecting portion 4d (FIGS. 4 and 5) is attached to the guide portion 4a of the column support 4. As shown in FIG. On the other hand, the frame 2 that supports the column support 4 has second connecting portions 2b (FIG. 2) attached to its four corners. The second connecting portions 2 b at the four corners of the frame 2 and the first connecting portions 4 d of the guide portion 4 a are connected by auxiliary connection members 8 .

In the illustrated example, the auxiliary connection members 8 are four wires. A tension adjusting portion 8a is interposed in one of the four wires. In the illustrated example, the tension adjusting portion 8a is a turnbuckle. A belt, a chain, a metal rod, or the like can be adopted as the connection auxiliary member 8 instead of the wire. Further, the tension adjusting portion 8a can be provided with a known tension adjusting portion 8a in accordance with the material of the auxiliary connection member 8, etc., instead of the turnbuckle. Although the tension adjusting portion 8a is interposed only in one wire in the illustrated example, it can be interposed in other wires.

The frame 2 has a rectangular cross section and is preferably made of an aluminum alloy profile. 4, 5 and 8, the arm 4c includes an arm main body 4c1 and an engaging portion 4c2 which is swingably provided at the free end of the arm main body 4c1 and which can be engaged with the frame 2. It has

In the illustrated example, a bracket 4c3 is fixed to the engaging portion 4c2, and the bracket 4c3 is rotatably pivoted to the end of the arm 4c via a shaft 4c4, so that the engaging portion 4c2 can swing freely on the arm 4c. is provided.

8, the engaging portion 4c2 includes a contact portion 4c5 that contacts the inner side surface of the frame 2, and a locking pin 4c7 that protrudes from the contact portion 4c6 that contacts the upper surface of the frame 2. I have. The upper surface of the frame 2 is formed with a locking hole 2c into which the locking pin 4c7 is inserted.

The arm 4c is swingably connected to the upper portion of the cylindrical guide portion 4a, and the first connecting portion 4d is provided to the lower portion of the guide portion 4a. Referring to FIG. 6, the first connecting portion 4d includes a substantially rectangular collar portion 4d1 projecting from the outer peripheral surface of the guide portion 4a, and four first connecting holes 4d2 formed in the collar portion 4d1. there is Four 1st connection holes 4d2 are formed in the position on the diagonal of the square frame 2, as shown in FIG. The second connecting portion 2b and the first connecting portion 4d are configured to have substantially the same height when the column support 4 is installed on the frame 2. As shown in FIG.

The frame 2 has four horizontal members 2a and joints 2d connecting the horizontal members 2a at the four corners of the frame 2, as shown in FIG. Each horizontal member 2a has a rectangular cross section and can be formed of a hollow aluminum alloy shaped member. As shown in FIG. ), two of which are inserted into the horizontal member 2a and the remaining one is inserted into the leg 3. As shown in FIG. A bolt 9 inserted from a bolt hole (not shown) formed in the horizontal member 2a is screwed into a screw hole (not shown) formed in the insertion portion 2d1, and the horizontal member 2a and the joint portion 2d are engaged with each other. concatenated.

The leg 3 can be formed of a hollow aluminum alloy shaped member having a rectangular cross section. Referring to FIG. A bolt 9 inserted from a bolt hole (not shown) formed in the leg 3 is screwed into a screw hole (not shown) formed in the insertion portion 2d1, and the leg 3 and the joint portion 2d are screwed together. Connected.

1, the leg 3 is of a telescopic type with a double tube structure comprising an outer tube 3a and an inner tube 3b inserted into the outer tube 3a from below. It has a locking mechanism 3c that locks 3a and inner tube 3b. The lock mechanism 3c can be constructed by inserting a plunger pin of an index plunger fixed to the outer tube 3a through pin holes (not shown) formed in the outer tube 3a and the inner tube 3b. Instead of the index plunger, or in addition to the index plunger, another lock mechanism 3c such as a shaft lock pin or a ball lock pin can be employed.

Referring to FIG. 11, horizontal member 2a has a T-groove 2e on the inner peripheral side. 10 and 11, the second connecting portion 2b is formed between a connecting plate 2b2 having a second connecting hole 2b1 and a T-groove 2e formed in the connecting plate 2b2 and adjacent to the horizontal member 2a. and an engaging protrusion 2b3 that is inserted and engaged.

The first connecting member 7 connects the substantially intermediate portion of each arm 4c of the column support 4 and the lower end portion of the column 6, and is configured to be adjustable in length.

3 and 12, each first connecting member 7 includes a wire 7a and a first tension adjusting portion 7b interposed in the wire 7a. In the illustrated example, the first tension adjusting portion 7b is a turnbuckle. By extending or contracting the turnbuckle, the length of the first connecting member 7 can be adjusted and the tension of the first connecting member 7 can be adjusted. The turnbuckle may be interposed in the middle of the wire 7a, or may be provided at the end of the wire 7a.

In the first connecting member 7, instead of the wire 7a, a belt, a chain, a metal rod, or the like can be used. Further, the first tension adjusting portion 7b can be provided with a known tension adjusting portion in accordance with the material of the first connecting member 7, etc., instead of the turnbuckle.

One end of each first connecting member 7 is connected to a third connecting portion 10 attached to a substantially intermediate portion of each arm 4c, and the other end of each first connecting member 7 is connected to a post. 6 are connected to a fourth connecting portion 11 attached to the lower end portion of 6, respectively. Referring to FIG. 12 , one end of first connecting member 7 is connected to third connecting portion 10 via connecting fitting 12 , and the other end of first connecting member 7 is connected to fourth connecting portion 11 . is connected to via a connecting fitting 12 . 12 is omitted, one end of the first connecting member 7 is directly connected to the third connecting portion 10, and the other end of the first connecting member 7 is connected to the fourth connecting portion 11. You can connect directly.

Referring to FIGS. 4 and 12, the third connecting portion 10 is formed by bending a long metal plate into an inverted V shape. One end of the third connecting portion 10 is attached to the lower surface of the substantially intermediate portion of the arm 4c of the column support 4 with a tightening tool 13 such as a bolt or nut, and the other end of the third connecting portion 10 is attached by a connecting fitting 12. It has a third connecting hole (not shown) for attachment. One end of the third connecting portion 10 is attached to a T-groove (not shown) formed on the lower surface of the arm 4c via a tightening tool 13. By loosening the tightening tool 13, the movement along the arm 4c is adjusted. It is possible. The third connecting portion 10 may have any structure and shape as long as one end portion of the first connecting member 7 or the connecting fitting 12 can be attached thereto. Also, the third connecting portion 10 may be fixed to the arm 4c by welding.

On the other hand, referring to FIG. 4, the fourth connecting portion 11 is positioned horizontally on the lower end surface of the column 6 by means of a nut 20 provided on the lower end surface of the column 6 and a bolt 21 (eye bolt) detachably screwed onto the nut 20 . is attached with As shown in FIG. 7, the fourth connecting portion 11 is formed of a disk-shaped metal plate, and four arc-shaped fourth connecting holes 11a are formed in the outer peripheral edge of the metal plate in the circumferential direction. are formed at intervals of 90° along the Each fourth connecting hole 11a is formed at a position facing the intermediate portion of each horizontal member 2a of the frame 2. As shown in FIG. The fourth connecting portion 11 may be attached to the lower end of the column 6 by welding instead of using the bolt 21 and the nut 20 . Further, the fourth connecting portion 11 may have any structure and shape as long as the other end portion of the first connecting member 7 or the connecting fitting 12 can be attached thereto.

Next, the tent frame 1 having the above configuration is assembled as follows. First, the joint portion 2d is connected to each of the four legs 3. As shown in FIG. Next, the four horizontal members 2a are connected to the joints 2d, and the frame 2 is formed on the four legs 3. As shown in FIG. When connecting the joint portion 2d to the horizontal member 2a, the engaging convex portion 2b3 of the second connecting portion 2b is inserted into the T-groove 2e on the inner peripheral side of the horizontal member 2a from the open end side and engaged. After the four legs 3, the four joints 2d, and the four horizontal members 2a are connected to each other and the bolting is completed, the column support 4 is installed on the frame 2. As shown in FIG.

The following procedure is performed to construct the column support 4 on the frame 2 . The four arms 4c are opened and the engaging portions 4c2 at the free ends thereof are engaged with the four horizontal members 2a. Specifically, the locking pin 4c7 of the engaging portion 4c2 is inserted into the locking hole 2c of the horizontal member 2a and locked. The locking hole 2c is formed at an intermediate position in the longitudinal direction of the horizontal member 2a. Contact portions 4c5 and 4c6 of the engaging portion 4c2 contact the upper surface and the inner side surface of the horizontal member 2a, respectively. The four arms 4c, whose engagement portions 4c2 are engaged with the horizontal member 2a, are inclined upward toward the center of the frame 2 from the longitudinal intermediate positions of the four horizontal members 2a. , forming a crossing structure on the frame 2 as shown in FIG. One end of the first connecting member 7 is connected to the third connecting portion 10 attached to the intermediate portion of the four arms 4c, and the other end of the first connecting member 7 is free. (See FIG. 13). The first connecting member 7 may be attached to the arm 4c in advance when the column support 4 is installed, or may be attached to the arm 4c after the arm 4c is attached to the horizontal member 2a.

Next, the second connection portions 2b at the four corners of the frame 2 and the first connection portions 4d at the lower portion of the guide portion 4a are connected by four wires constituting the connection auxiliary member 8, respectively. As described above, one of the four wires forming the auxiliary connection member 8 is interposed with the turnbuckle forming the tension adjusting portion 8a. The length of the three wires not interposed by the tension adjusting portion 8a is set so that the post 6 is at the center position of the frame 2, and the second connecting portion 2b is connected to the second connecting portion 2b in a state where the tension by the tension adjusting portion 8a is relaxed. and a wire constituting the auxiliary connection member 8 is connected to the first connection portion 4d. By adjusting the tightening degree of the tension adjusting portion 8a, the four wires constituting the connection auxiliary member 8 are adjusted to a predetermined tension, the tilt of the support 6 is corrected in the vertical direction, and the frame body 2 is adjusted to the predetermined tension. (square in the illustrated example) (slightly deformed to a rhombus in the illustrated example, etc.) is corrected to a predetermined shape.

After adjusting the tightening of the tension adjusting portion 8a, the awning 5 (indicated by phantom lines) is put on the column support 4 as shown in FIG. Although not shown, the awning 5 is attached by tying a fastening string or the like attached to the awning 5 to the horizontal member 2a or the like.

After the awning 5 is put on the column support 4 and the frame 2, as shown in FIG. 13) by the locking means 4b.

After the awning 5 is covered and the column 6 is extended, as shown in FIG. By adjusting the degree of tightening of the first tension adjusting portion 7b, the length of the first connecting member 7 is adjusted and the tension of the first connecting member 7 is adjusted to a predetermined tension. Therefore, even if the support post 6 is pushed down by the weight of the awning 5, the support post 6 can be lifted by adjusting the length of the first connecting member 7, and tension can be applied to the awning 5. - 特許庁

After adjusting the length of the first connecting member 7 and applying tension to the awning 5, as shown in FIG. 16, the legs 3 are extended and locked at a predetermined extended position by the locking mechanism 3c to complete the tent. do.

In the tent frame 1 having the above configuration, even if the weight of the awning 5 is increased, the struts 6 can be lifted by adjusting the length of the first connecting member 7. can be prevented, and the formation of puddles on the tent 5 can be prevented.

16, when the tent frame 1 is in the fully assembled state shown in FIG. falls freely while being guided by the guide portion 4a. The free-falling post 6 falls to the position shown in FIG. 13 . In the illustrated example, the top portion 6a of the post 6 serves as a stopper, and the top portion 6a falls until it contacts the upper end portion of the guide portion 4a. The top portion 6a can be a resin cap fixed to the upper end of the column 6. As shown in FIG.

Therefore, when a strong wind blows out in a state where the awning 5 is set up and the tent assembly is completed, the connection between the first connecting member 7 and the fourth connecting portion 11 is released, the locking means 4b is released, and the struts 6 are released. can be lowered quickly, the awning 5 pushed up can be quickly lowered, the influence of crosswinds caused by strong winds can be reduced, and the tent can be quickly prevented from collapsing.

In addition, the column support 4 supports the guide portion 4a with the arms 4c forming a joint structure, and the column 6 is supported by the guide portion 4a, so that even the long column 6 can be stably supported. be able to. Moreover, since the lower end portion of the column 6 and the intermediate portion of the arm 4c are connected by the first connecting member 7, the column 6 can be supported more stably.

If the arm 4c has a structure in which the locking pin 4c7 is inserted into the locking hole 2c of the horizontal member 2a, insertion and removal of the arm 4c is easy, and assembly and disassembly are easy.

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

The arm 4c is connected to the upper portion of the guide portion 4a, and the first connecting portion 4d is provided to the lower portion of the guide portion 4a, so that the upper portion of the guide portion 4a is firmly supported by the palm-to-palm structure, and the lower portion of the guide portion 4a is Since the four wires that make up the connection auxiliary member 8 are pulled in all directions so that the support column 6 faces the vertical direction, the awning 5 (see FIG. 16) receives a strong wind and a large force is exerted on the upper end of the support column 6. Even if it receives, the support|pillar 6 can be supported firmly.

By forming four first connection holes 4d2 for connecting the connection auxiliary member 8 to the flange portion 4d1 projecting from the outer peripheral surface of the guide portion 4a, the first connection portion 4d is formed with a wire or the like. The mounting structure of the member 8 is simplified. Further, since the connection auxiliary member 8 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 post 6 from the guide.

17 to 26 show another embodiment of the tent frame 1 according to the present invention. The tent frame 1 includes a rectangular frame body 2 connecting four horizontal members 2a, a frame body 2 four legs 3 that are connected to the four corners of the frame 2 to support the frame 2, two adjacent column supports 4 that are connected to and supported by the frame 2, and each column support 4 Two pillars 6 supported to partially push up the awning 5 from below and support it, an arm 4c as a part of the pillar support 4, and the lower end of the pillar 6 supported by the pillar support 4 are provided. It has a first connecting member 7 that connects so that the length can be adjusted, and a second connecting member 14 that connects the lower ends of the pillars 6 supported by the adjacent pillar supports 4 so that the length can be adjusted. , the closest arms 4c of the support members 4 arranged adjacent to each other are connected to each other, and the tops 6a of the adjacent supports 6 are connected to each other. The same reference numerals are given to the same members and portions as those of the tent frame 1 shown in FIGS. 1 to 16, and detailed description thereof will be omitted. Moreover, in the tent frame shown in FIG. 18, the tension adjusting portion 8a (turnbuckle) of the connection auxiliary member 8 (wire) may be omitted.

The two column supports 4 are provided with guide portions 4a, locking means 4b, four arms 4c, etc., and are constructed to have substantially the same structure as the column supports 4 of the tent frame 1 shown in FIGS. ing. One column support 4 is connected to one end of a rectangular frame 2 and supported by the frame 2. Engagement portions 4c2 provided at free ends of three arms 4c are connected to the frame. 2 are engaged with one of the short sides and the opposite long side. The other column support member 4 is connected to the other end of the rectangular frame 2 and supported by the frame 2. Engagement portions 4c2 are provided at the free ends of the three arms 4c. are engaged with the long side opposite to the other short side of the frame 2, respectively. The free end of the closest arm 4c of the support pillars 4 arranged adjacent to each other is not provided with the engaging portion 4c2.

Furthermore, the closest arms 4c of the support columns 4 arranged adjacent to each other are connected to each other at their free ends via long connecting plates 15 and connecting pins 16. As shown in FIG. That is, the ends of the connection plates 15 are inserted into the free ends of the arms 4c that are closest to each other, and the connection pins 16 are inserted into the free ends of the arms 4c and the ends of the connection plate 15. are connected to each other by

The first connecting member 7 is configured in the same manner as the first connecting member 7 used in the tent frame 1 shown in FIGS. The provided three arms 4c) are connected to the lower end of the support 6 supported by one support 4, and the three arms 4c of the other support 4 (engagement portion 4c2 is provided). The other three arms 4c) are connected to the lower ends of the columns 6 supported by the column support 4 on the other side.

Referring to FIG. 20, the second connecting member 14 includes a wire 14a and a second tension adjusting portion 14b interposed in the wire 14a. In the illustrated example, the second tension adjusting portion 14b is a turnbuckle. By extending or contracting the turnbuckle, the length of the second connecting member 14 can be adjusted and the tension of the second connecting member 14 can be adjusted. The turnbuckle may be interposed in the middle of the wire 14a, or may be provided at the end of the wire 14a.

In the second connecting member 14, a belt, a chain, a metal rod, or the like can be used instead of the wire 14a. Further, the second tension adjusting portion 14b can be provided with a known tension adjusting portion in accordance with the material of the second connecting member 14, etc., instead of the turnbuckle.

One end of the second connecting member 14 is connected to a fourth connecting part 11 attached to the lower end of one of the columns 6 via a connecting fitting 12, and the other end of the second connecting member 14 is connected to the other end of the second connecting member 14. is connected to a fourth connecting portion 11 attached to the lower end portion of the post 6 via a connecting fitting 12 . Both ends of the second connecting member 14 may be directly connected to the fourth connecting portion 11 without using the connecting fittings 12 .

20 and 21, the column supports 4 arranged adjacent to each other are connected to each other by the top connecting members 17 at the top portions 6a of the adjacent columns 6. As shown in FIG. The top connecting member 17 has a rectangular cross section and is formed of a hollow aluminum alloy shaped member. The top portions 6a of adjacent struts 6 are connected to each other by inserting the top portions 6a of the adjacent struts 6 into each other.

Next, the case of assembling the tent frame 1 shown in FIGS. 17 to 21 will be described. First, the joint portion 2d is connected to each of the four legs 3. As shown in FIG. Next, the four horizontal members 2a are connected to the joints 2d, and the frame 2 is formed on the four legs 3. As shown in FIG. Next, two column supports 4 are installed on the frame 2, and the closest arms 4c of the column supports 4 arranged adjacent to each other are connected to each other by the connection plate 15 and the connection pin 16, and are adjacent to each other. The tops 6a of the struts 6 are connected to each other by a top connecting member 17 (see FIGS. 22 and 23).

Next, the second connecting portions 2b at the four corners of the frame 2 and the first connecting portions 4d under the guide portions 4a of the two support columns 4 are connected with the wires constituting the auxiliary connection members 8, respectively. , adjusting the tightening degree of the turnbuckle that constitutes the tension adjusting portion 8a interposed in the connection auxiliary member 8 to correct the tilt of the support 6 in the vertical direction and correct the shape of the frame 2 to a predetermined shape. .

After adjusting the tightening of the tension adjusting portion 8a, the awning 5 is put on the column support 4 as shown in FIG. Although not shown, the awning 5 is attached by tying a fastening string or the like attached to the awning 5 to the horizontal member 2a or the like.

After the awning 5 is put on the two column supports 4 and the frame 2, as shown in FIG. It is locked by the locking means 4b at the push-up height position (the position shown in the figure).

After covering the awning 5 and extending the two pillars 6, as shown in FIG. After connecting the fourth connecting portions 11 attached to the lower end portions of the adjacent struts 6 while connecting to the portion 11 with the second connecting member 14, the first tension adjusting portion 7b of the first connecting member 7 and the second connecting member By adjusting the degree of tightening of the second tension adjusting portion 14b of 14, the lengths of the first connecting member 7 and the second connecting member 14 are adjusted, and the first connecting member 7 and the second connecting member 14 are adjusted to a predetermined length. is adjusted to the tension of Therefore, even if the two pillars 6 are pushed down by the weight of the awning 5, the two pillars 6 can be lifted by adjusting the lengths of the first connecting member 7 and the second connecting member 14. It can give you tension.

After tension is applied to the awning 5 by adjusting the lengths of the first connecting member 7 and the second connecting member 14, as shown in FIG. Lock it and the tent is complete.

The tent frame 1 shown in FIGS. 17 to 26 can achieve the same effects as the tent frame 1 shown in FIGS. 1 to 16. Moreover, since the tent frame 1 shown in FIGS. 17 to 26 includes two column supports 4, even a large tent frame 1 can be made rigid. Further, since the lower ends of the two struts 6 are connected by the second connecting member 14 and the top portions 6a of the two struts 6 are connected by the top connecting member 17, the struts 6 can be supported more stably. .

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

For example, with respect to the frame 2, although the square or rectangular frame 2 is exemplified in each of the above-described embodiments, the frame 2 may be a polygonal frame other than the square or rectangle, or may be a circular or elliptical frame. 2 can also be used.

Further, with respect to the legs 3, although four legs 3 are illustrated in the above embodiment, the number of legs is not limited to four, and a plurality of legs 3 of three or more may be provided according to the shape of the frame 2. can.

In the above embodiment, one or two struts 6 are exemplified.

In the above embodiment, the locking means 4b is an example of a plunger pin attached to the guide portion 4a. By attaching a plunger pin inside the support 6 and providing the plunger pin on the surface of the support 6 so that it can be retracted, it is configured to be locked at the upper edge of the guide part 4a, and a locking means 4b on the side of the support 6 is provided. can also

In addition, in the above-described embodiment, a square pipe is used as the guide portion 4a, but the guide portion 4a is not limited to a square pipe, and the shape and the like are not limited as long as it can guide the column 6 along its length direction. .

In addition, the frame body 2 and the arm 4c can also have a conventionally known foldable structure in a foldable tent such as a scissors type, an X-link mechanism, or a pantograph mechanism (for example, Japanese Patent Application Laid-Open No. 2000-154671). .

Although an example in which the arm 4c is engaged with the frame 2 is shown in the above embodiment, it is also possible to adopt a configuration in which the arm 4c is engaged with the leg 3, and both the frame 2 and the leg 3 A configuration in which the arm 4c is engaged can also be adopted.

1 Tent Frame 2 Frame 2a Horizontal Member 3 Leg 4 Column Support 4a Guide Part 4b Locking Means 4c Arm 4c2 Engagement Part 6 Column 6a Top 14 Second Connection Member

Claims (3)

a frame to which horizontal members are connected;
a plurality of legs supporting the frame;
a column support connected to and supported by the frame;
a strut supported by the strut support;
The column support includes a guide portion that guides the column vertically along its length, an engaging means that engages the column at a predetermined thrust height to support the column, and the guide. and a plurality of arms that are swingably connected to the part and have free end engaging portions that engage with the frame, and the engaging portions are engaged with the frame. configured to be assembled on the frame,
A tent frame, further comprising a first connecting member that connects the arm and the lower end of the strut so that the length thereof can be adjusted. comprising a plurality of the pillar supports;
adjacently arranged strut supports are connected to each other by connecting respective adjacent arms to each other;
further comprising a second connecting member that connects the lower ends of the respective columns of the adjacent column supports so that the length can be adjusted;
The tent frame according to claim 1. comprising a plurality of the pillar supports;
Adjacent strut supports are connected to each other by connecting the tops of respective adjacent struts to each other.
A tent frame according to claim 1 or 2.

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