JP2022088090A - Tent frame - Google Patents

Abstract

To provide a tent frame allowing no water accumulation on an awning to be created by preventing a horizontal member from bending even when weight of the awning increases.SOLUTION: A tent frame is provided with: a frame body 2 configured to connect lateral beam members; a plurality of leg bodies 3 supporting the frame body 2; a supporting body 4 connected to and supported with the frame body 2; and a support column 6 supported on the supporting body 4. The supporting body 4 comprises: a guide part 4a vertically movably guiding the support column 6 in a lengthwise direction; engagement means 4b supporting the support column 6 by engaging the support column 6 at a specific protruded height; and a plurality of arms 4c swingably connected on the guide part 4a and having an engagement part engaged on the frame body 2 at a free end part, to be assembled on the frame body 2 through engagement of the engagement part with the frame body 2, and also is provided with a first connection member 7 connecting the arms 4c to a lower end part of the support column 6 adjustably in length.SELECTED DRAWING: Figure 1

Description

The present invention relates to a tent frame used, for example, for indoor and outdoor gatherings, events, and events, and in particular, the present invention is provided with a support for pushing up and supporting the tent from under the tent, and partially supports the tent. Regarding a tent frame that can be stretched into a pushed-up form.

Conventionally, as shown in FIGS. 27 and 28, a frame body 31 connecting the horizontal members 31a, a plurality of leg bodies 32 supporting the frame body 31, and a support support 33 connected to the frame body 31. A tent frame 30 including a support column 34 supported by a support column 33 and a support column 34 is known (see Patent Document 1).

The support body 33 has a guide portion 33a that guides the support column 34 so as to be vertically movable along its length direction, and a locking means (not shown) that locks the support column 34 to the support column 34 at a predetermined push-up height to support the support column. (Omitted) and a plurality of arms 33b having an engaging portion 33b1 which is swingably connected to the guide portion 33a and whose free end portion can engage with the frame body 31, and the plurality of arms 33b are described above. Each of the engaging portions 33b1 is configured to be assembled on the frame body 31 by engaging with the frame body 31.

Japanese Unexamined Patent Publication No. 2019-214924

The conventional tent frame 30 is an excellent tent frame 30 in which the awning can be partially pushed up and stretched, and is excellent in that it can quickly deal with the risk of tent collapse when a strong wind occurs. As the size of 30 increases, the weight of the awning covering the tent frame 30 increases, and when the weight of the awning is applied to the horizontal member 31a from the support column 34 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 is curved outward, the height of the support column 34 is lowered by that amount, which causes slack inside the periphery of the frame 31 on which the awning is hung, and the slackened awning portion is slackened in rainy weather. There is a problem that rainwater collects.

Therefore, it is a main object of the present invention to provide a tent frame capable of preventing bending of the horizontal member and preventing puddles from forming on the awning even if the weight of the awning increases.

In order to achieve the above object, the first aspect of the tent frame according to the present invention is a frame body to which a horizontal member is connected, a plurality of legs supporting the frame body, and a frame body connected to the frame body. A support column support and a support column supported by the support column support are provided, and the support column support includes a guide portion that guides the support column so as to be vertically movable along the length direction thereof, and a predetermined position. A plurality of locking means that are locked to the support column at a push-up height to support the support column, and an engaging portion that is swingably connected to the guide portion and engages with the frame body at the free end portion. The arm is configured to be assembled on the frame body by engaging the engaging portion with the frame body, and the arm and the lower end portion of the support column are connected in an adjustable length. It is characterized in that the first connecting member is further provided.

A second aspect of the tent frame according to the present invention is the above-mentioned first aspect, wherein a plurality of the support columns are provided, and the support columns arranged next to each other have their respective arms connected to each other. Thereby, it is further provided with a second connecting member which is connected to each other and connects the lower ends of the respective columns of the adjacent column supports so as to be adjustable in length.

A third aspect of the tent frame according to the present invention is the first or second aspect, wherein the support columns are provided with a plurality of support columns, and the support columns arranged next to each other are the tops of the respective columns adjacent to each other. 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 can be adjusted, even if the weight of the awning increases, the length of the first connecting member can be adjusted. Since the columns can be lifted, it is possible to prevent bending of the horizontal member and prevent puddles from forming on the awning.

It is a front view which shows one Embodiment of the tent frame which concerns on this invention. It is a top view of the tent frame shown in FIG. It is an enlarged view of the main part of the tent frame shown in FIG. It is a front view which shows the support | support which is a constituent member of a tent frame. It is a top view which shows the state which the arm of the support column shown in FIG. 4 is opened. It is an enlarged plan view of the 1st connection part attached to the support | support. It is a fourth connecting portion attached to a support column which is a constituent member of the tent frame. It is a front view which shows the part of the tent frame of FIG. 1 enlarged. It is another front view which shows the part of the tent frame of FIG. 1 enlarged. A second connecting portion, which is a component of the tent frame, is shown, (a) is a plan view, (b) is a right side view, and (c) is a front view. It is a perspective view which shows the part of the tent frame of FIG. 1 enlarged. It is an enlarged view of the 2nd connecting member which is a component of a tent frame. FIG. 1 shows a state in which the tent frame in the process of being assembled is shown, and is a front view showing a state in which the tent frame is covered with a awning. FIG. 13 shows a stage following the assembly stage of FIG. 13, and is a front view of a state in which a support column is extended. FIG. 14 shows a stage following the assembly stage of FIG. 14, and is a front view showing a state in which an arm and a lower end portion of a support column are connected by a first connecting member. FIG. 15 is a front view showing a stage following the assembly stage of FIG. 15 with the legs extended. It is a front view which shows the other embodiment of the tent frame which concerns on this invention. It is a top view of the tent frame shown in FIG. It is a side view of the tent frame shown in FIG. It is an enlarged view of the main part of the tent frame shown in FIG. FIG. 17 is an enlarged cross-sectional view of a state in which the tops of two adjacent columns of the tent frame shown in FIG. 17 are connected by a top connecting member. It is a front view which shows the state in the process of assembling the tent frame of FIG. FIG. 22 shows a stage following the assembly stage, and is a front view showing a state in which adjacent arms are connected to each other and the tops of two columns are connected by a top connecting member, and a tent frame is covered with a awning. FIG. 23 shows a stage following the assembly stage of FIG. 23, and is a front view showing a state in which two columns are extended. A front view showing a stage following the assembly stage of FIG. 24, in which the arm and the lower ends of the two columns are connected by the first connecting member, and the lower ends of the two columns are connected by the second connecting member. Is. FIG. 25 shows a stage following the assembly stage of FIG. 25, and is a front view showing a state in which the leg body is extended. It is a perspective view which shows one Embodiment of the conventional tent frame. It is a top view of the tent frame shown in FIG. 27.

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

With reference to FIGS. 1 and 2, the tent frame 1 is connected to a square frame 2 to which four horizontal members 2a are connected and to the four corners of the frame 2 to support the frame 2. The four legs 3, the strut support 4 connected to and supported by the frame 2, the strut 6 supported by the strut support 4 to partially push up and support the awning 5 from below, and the strut. It has a first connecting member 7 that connects a part of the support 4 (arm 4c) and the lower end portion of the support column 6 so as to be adjustable in length.

With reference to FIGS. 3 to 5, the support column 4 has a guide portion 4a that guides the column 6 so as to be vertically movable along the length direction thereof, and a predetermined length of the upper end portion of the column 6 from the guide portion 4a. It has a locking means 4b that locks at a protruding position (position shown in FIGS. 2 and 3).

Further, the column support 4 is swingably connected to the outer peripheral portion of the guide portion 4a at equal angle intervals, and four pieces that can be engaged with the frame body 2 so as to form a gasp structure on the frame body 2. It is equipped with an arm 4c (see the plan view of FIGS. 2 and 5).

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

The locking means 4b fixes the index plunger to the guide portion 4a with reference to FIG. 4, and a pin hole (not shown) into which the plunger pin (not shown) of the index plunger is fitted is formed in the support column 6. Has been done. The index plunger is screwed onto the nut 4b1 welded to the guide portion 4a.

By pulling the knob of the index plunger, the support column 6 can slide in the guide portion 4a, and when the plunger pin is fitted into the pin hole of the support column 6 by the urging force of the built-in spring (not shown), the support column 6 becomes the guide portion. It becomes non-sliding with respect to 4a and is fixed in position, and the load of the support column 6 is supported by the plunger pin. As the locking means 4b, instead of the index plunger, or in addition to the index plunger, another locking means 4b such as a shaft lock pin, a ball lock pin, or another pin may be adopted.

Since the locking means 4b supports the load of the support column 6, if the plunger pin is pulled out from the pin hole of the support column 6 to release the locking of the locking means 4b, the support column 6 has 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 support column support 4. On the other hand, a second connecting portion 2b (FIG. 2) is attached to the four corners of the frame body 2 that supports the support column 4. The second connecting portion 2b at the four corners of the frame body 2 and the first connecting portion 4d of the guide portion 4a are connected by the connecting auxiliary member 8.

In the illustrated example, the connecting auxiliary member 8 is 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. As the connecting auxiliary member 8, instead of the wire, a belt, a chain, a metal rod, or the like can be adopted. Further, the tension adjusting unit 8a may be provided with a known tension adjusting unit 8a according to the material or the like of the connecting auxiliary member 8 instead of the turnbuckle. Although the tension adjusting unit 8a is interposed in only one wire in the illustrated example, it can be interposed in another wire.

The frame body 2 has a quadrangular cross section, and is preferably formed of an aluminum alloy profile. With reference to FIGS. 4, 5, and 8, the arm 4c includes an arm main body 4c1 and an engaging portion 4c2 that is swingably provided at a free end portion of the arm main body 4c1 and can be engaged with the frame body 2. It 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 swingably attached to the arm 4c. It is provided.

With reference to FIG. 8, the engaging portion 4c2 has a contact portion 4c5 that abuts on the inner side surface of the frame body 2 and a locking pin 4c7 that protrudes from the abutment portion 4c6 that abuts on the upper surface of the frame body 2. I have. A locking hole 2c into which the locking pin 4c7 is inserted is formed on the upper surface of the frame body 2.

The arm 4c is swingably connected to the upper part of the cylindrical guide portion 4a, and the first connecting portion 4d is provided to the lower part of the guide portion 4a. The first connecting portion 4d includes, with reference to FIG. 6, a substantially square 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. There is. As shown in FIG. 2, the four first connecting holes 4d2 are formed at diagonal positions of the square frame 2. When the support column 4 is erected on the frame 2, the second connecting portion 2b and the first connecting portion 4d are configured to have substantially the same height.

The frame body 2 has four horizontal members 2a and joint portions 2d connecting the horizontal members 2a at the four corners of the frame body 2, referring to FIG. Each horizontal member 2a has a rectangular cross section and can be formed of a hollow aluminum alloy shaped material. As shown in FIG. 9, the joint portions 2d have three directions orthogonal to each other (2 in FIG. 9). It has an insertion portion 2d1 facing (shown only in a direction), two of which insertion portions 2d1 are inserted into the horizontal member 2a, and the remaining one insertion portion 2d1 is inserted into the leg body 3. 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 mutually connected with each other. Be concatenated.

The leg body 3 can be formed of a hollow aluminum alloy profile having a rectangular cross section, and the insertion portion 2d1 of the joint portion 2d is inserted from the upper end portion of the leg body 3 with reference to FIG. , The bolt 9 inserted from the bolt hole (not shown) formed in the leg body 3 is screwed into the screw hole (not shown) formed in the insertion portion 2d1, and the leg body 3 and the joint portion 2d are mutually connected. Be connected.

Further, the leg body 3 is a telescopic type having a double tube structure including an outer tube 3a and an inner tube 3b inserted into the outer tube 3a from below with reference to FIG. 1, and the outer tube 3 is an outer tube at a predetermined extension. It has a lock mechanism 3c that locks the 3a and the inner tube 3b. The lock mechanism 3c can be configured by a plunger pin of an index plunger fixed to the outer tube 3a penetrating a pin hole (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 adopted.

With reference to FIG. 11, the horizontal member 2a has a T-groove 2e on the inner peripheral side. The second connecting portion 2b is formed in the connecting plate 2b2 in which the second connecting hole 2b1 is formed and the T-groove 2e of the adjacent horizontal member 2a formed in the connecting plate 2b2 with reference to FIGS. 10 and 11. It comprises an engaging protrusion 2b3 that is inserted and engaged.

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

Each first connecting member 7 includes a wire 7a and a first tension adjusting portion 7b interposed in the wire 7a, with reference to FIGS. 3 and 12. In the illustrated example, the first tension adjusting unit 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 adopted. Further, the first tension adjusting unit 7b may be provided with a known tension adjusting unit depending on the material or the like of the first connecting member 7, instead of the turnbuckle.

Then, 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 a support. Each of them is connected to the fourth connecting portion 11 attached to the lower end portion of 6. With reference to FIG. 12, one end of the first connecting member 7 is connected to the third connecting portion 10 via the connecting metal fitting 12, and the other end of the first connecting member 7 is connected to the fourth connecting portion 11. It is connected to the door via a connecting metal fitting 12. The connecting metal fitting 12 shown in FIG. 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. It may be directly connected.

The third connecting portion 10 is formed by bending a long metal plate into a U shape with reference to FIGS. 4 and 12. One end of the third connecting portion 10 is attached to the lower surface of a substantially intermediate portion of the arm 4c of the support support 4 by a fastener 13 such as a bolt or a nut, and the other end of the third connecting portion 10 has a connecting metal fitting 12 attached. It has a third connecting hole (not shown) to be attached. One end of the third connecting portion 10 is attached to a T-groove (not shown) formed on the lower surface side of the arm 4c via the tightening tool 13, and the movement is adjusted along the arm 4c by loosening the tightening tool 13. You can do it. The third connecting portion 10 may have any structure and shape as long as one end of the first connecting member 7 or the connecting fitting 12 can be attached. Further, 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 has a horizontal posture on the lower end surface of the support column 6 by a nut 20 provided on the lower end surface of the support column 6 and a bolt 21 (eye bolt) detachably screwed to the nut 20. It 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 circumferential direction on the outer peripheral edge portion of the metal plate. It is formed every 90 ° along the line. Each of the fourth connecting holes 11a is formed at a position facing the intermediate portion of each of the horizontal members 2a of the frame body 2. The fourth connecting portion 11 may be attached to the lower end of the column 6 by welding instead of 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 of the first connecting member 7 or the connecting fitting 12 can be attached.

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. Next, the four horizontal members 2a are connected to the joint portion 2d, and the frame body 2 is formed on the four leg bodies 3. 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 end face opening side to engage with the joint portion 2a. After the four legs 3, the four joint portions 2d, and the four horizontal members 2a are connected to each other and the bolt tightening is completed, the support column 4 is erected on the frame body 2.

The procedure for erection of the support support 4 on the frame 2 is as follows. The four arms 4c are opened and the engaging portions 4c2 at the free ends are engaged with the four horizontal members 2a, respectively. Specifically, the locking pin 4c7 of the engaging portion 4c2 is inserted into the locking hole 2c of the horizontal member 2a to be locked. The locking hole 2c is formed at an intermediate position in the length direction of the horizontal member 2a. In the engaging portion 4c2, the contact portions 4c5 and 4c6 are in contact with the upper surface and the inner side surface of the horizontal member 2a, respectively. The four arms 4c in which the engaging portion 4c2 is engaged with the horizontal member 2a are inclined upward from the intermediate positions of the four horizontal members 2a in the length direction toward the center of the frame 2. As shown in FIG. 1, it forms a gassho structure that intersects on the frame 2. 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 in a free state. (See FIG. 13). The first connecting member 7 may be attached to the arm 4c in advance when the support column 4 is erected, or the arm 4c may be attached to the horizontal member 2a and then attached to the arm 4c.

Next, the second connecting portion 2b at the four corners of the frame body 2 and the first connecting portion 4d at the lower part of the guide portion 4a are connected to each other by four wires constituting the connecting auxiliary member 8. As described above, one of the four wires constituting the connecting auxiliary member 8 is interposed with a turnbuckle constituting the tension adjusting portion 8a. The three wires not intervening with the tension adjusting portion 8a are set to a length in which the support column 6 comes to the center position of the frame body 2, and the second connecting portion 2b is in a state where the tension by the tension adjusting portion 8a is relaxed. And the wire constituting the connecting auxiliary member 8 are connected to the first connecting portion 4d. By adjusting the degree of tightening of the tension adjusting portion 8a, the four wires constituting the connecting auxiliary member 8 are adjusted to a predetermined tension, the inclination of the strut 6 is corrected in the vertical direction, and the default of the frame body 2. Deformation from the shape (square in the illustrated example) (deformation to a slight rhombus in the illustrated example, etc.) is corrected to the default shape.

After the tightening adjustment of the tension adjusting portion 8a, as shown in FIG. 13, the awning 5 (indicated by a virtual line) is put on the support column 4 from above. Although not shown, the awning 5 is attached by binding a fastening string or the like attached to the awning 5 to a horizontal member 2a or the like.

After the awning 5 is put on the support support 4 and the frame 2, as shown in FIG. 14, the support 6 is slid in the guide portion 4a and projected upward from the guide portion 4a to a predetermined push-up height position ( It is locked by the locking means 4b at the position shown in FIG. 13).

After covering the awning 5 and extending the support column 6, as shown in FIG. 15, the fourth connecting portion 11 to which the other end of the first connecting member 7 in the free state is attached to the lower end portion of the support column 6. 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 first connecting member 7 is adjusted to a predetermined tension. Therefore, even if the column 6 is pushed down by the weight of the awning 5, the column 6 can be lifted by adjusting the length of the first connecting member 7, and tension can be given to the awning 5.

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

In the tent frame 1 having the above configuration, even if the weight of the awning 5 increases, the support column 6 can be lifted by adjusting the length of the first connecting member 7, so that the horizontal member 2a is curved (slackened). It is possible to prevent a puddle from forming on the tent 5.

Further, in the assembled tent frame 1 of FIG. 16, if the connection between the first connecting member 7 and the fourth connecting portion 11 is released and the support column 6 is released from the locking means 4b, the support column 6 is released. Will fall freely while being guided by the guide portion 4a. The free-falling column 6 falls to the position shown in FIG. In the illustrated example, the top portion 6a of the support column 6 serves as a stopper, and the top portion 6a falls until it comes into contact with 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 support column 6.

Therefore, when a strong wind blows out with the awning 5 stretched and the assembly of the tent 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 support column 6 is released. Can be quickly lowered, the awning 5 that has been pushed up can be quickly lowered, the influence of crosswinds due to strong winds can be reduced, and the tent can be quickly prevented from collapsing.

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

If the arm 4c is configured to insert the locking pin 4c7 into the locking hole 2c of the horizontal member 2a, it is easy to insert and remove, and it is easy to assemble and disassemble.

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

The arm 4c is connected to the upper part of the guide part 4a, and the first connecting part 4d is provided to the lower part of the guide part 4a. Since the columns 6 are pulled in all directions by the four wires constituting the connecting auxiliary member 8 so that the columns 6 face in the vertical direction, the awning 5 (see FIG. 16) receives a strong wind and exerts a large force on the upper end of the columns 6. Even if it receives, it can firmly support the support column 6.

A connection assist formed by a wire or the like by forming four first connection holes 4d2 for connecting the connection auxiliary member 8 to the flange portion 4d1 that projects the first connection portion 4d from the outer peripheral surface of the guide portion 4a. The mounting structure of the member 8 is simplified. Further, since the connecting 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 support column 6 from the guide.

17 to 26 show another embodiment of the tent frame 1 according to the present invention, wherein the tent frame 1 is a rectangular frame body 2 in which four horizontal members 2a are connected and a frame body 2 Four legs 3 that are connected to each of the four corners to support the frame body 2, two adjacent support columns 4 that are connected to and supported by the frame body 2, and each support column 4 Two stanchions 6 that are supported and partially push up and support the awning 5 from below, a part of the arm 4c of the stanchion support 4, and the lower end of the stanchion 6 supported by the stanchion support 4. It has a first connecting member 7 that is length-adjustably connected, and a second connecting member 14 that is length-adjustably connected to the lower ends of the columns 6 supported by adjacent column supports 4. , The closest arms 4c of the column supports 4 arranged adjacent to each other are connected to each other, and the top portions 6a of the adjacent columns 6 are connected to each other. The same members and parts as those of the tent frame 1 shown in FIGS. 1 to 16 are designated by the same reference numbers, and detailed description thereof will be omitted. Further, in the tent frame shown in FIG. 18, the tension adjusting portion 8a (turnbuckle) of the connecting auxiliary member 8 (wire) may be omitted.

The two strut supports 4 include a guide portion 4a, locking means 4b, four arms 4c, and the like, and are configured to have substantially the same structure as the strut support 4 of the tent frame 1 shown in FIGS. 1 to 16. ing. One of the support columns 4 is connected to one end side of the rectangular frame body 2 and supported by the frame body 2, and the engaging portion 4c2 provided at the free end portion of the three arms 4c is the frame body. Each of the two is engaged with the long side facing one of the short sides. Further, the other support column support 4 is connected to the other end side of the rectangular frame body 2 and supported by the frame body 2, and the engaging portion 4c2 provided at the free end portion of the three arms 4c. Are engaged with the other short side of the frame body 2 and the long side facing each other. It should be noted that the engaging portion 4c2 is not provided at the free end portion of the arm 4c closest to the support column support 4 arranged adjacent to each other.

Further, the closest arms 4c of the column supports 4 arranged adjacent to each other are connected to each other via a long connection plate 15 and a connection pin 16 at their free ends. That is, for the arms 4c closest to each other, the end portion of the connection plate 15 is inserted into the free end portion of both arms 4c, and the connection pin 16 is inserted into the free end portion of the arm 4c and the end portion of the connection plate 15. By doing so, they are connected to each other.

The first connecting member 7 has the same configuration as the first connecting member 7 used for the tent frame 1 shown in FIGS. 1 to 16, and has three arms 4c (engaging portions 4c2) of one of the support columns 4. The three arms 4c provided) and the lower end portion of the support column 6 supported by one support column support 4 are connected to each other, and the three arms 4c (engagement portion 4c2) of the other support column support 4 are provided. The three arms 4c) and the lower end of the column 6 supported by the other column support 4 are connected to each other.

The second connecting member 14 includes a wire 14a and a second tension adjusting portion 14b interposed in the wire 14a, with reference to FIG. 20. 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, instead of the wire 14a, a belt, a chain, a metal rod, or the like can be adopted. Further, the second tension adjusting unit 14b may be provided with a known tension adjusting unit depending on the material or the like of the second connecting member 14, instead of the turnbuckle.

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

Then, in the column supports 4 arranged adjacent to each other, with reference to FIGS. 20 and 21, the top portions 6a of the adjacent support columns 6 are connected to each other by the top connecting member 17. The top connecting member 17 has a rectangular cross section and is formed of a hollow aluminum alloy profile. Metal pins 19 provided at both ends of the top connecting member 17 via a metal plate 18 are provided on the support columns 6. By inserting into the top 6a of the struts, the tops 6a of the adjacent columns 6 are connected to each other.

Next, a 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. Next, the four horizontal members 2a are connected to the joint portion 2d, and the frame body 2 is formed on the four leg bodies 3. Next, two support columns 4 are erected on the frame body 2, and the closest arms 4c of the adjacent support columns 4 are connected to each other by the connection plate 15 and the connection pin 16 and adjacent to each other. The tops 6a of the columns 6 are connected to each other by the top connecting member 17 (see FIGS. 22 and 23).

Next, the second connecting portion 2b at the four corners of the frame body 2 and the first connecting portion 4d at the lower part of the guide portion 4a of the two support columns 4 are connected by wires constituting the connecting auxiliary member 8, respectively. The degree of tightening of the turnbuckle constituting the tension adjusting portion 8a interposed in the connecting auxiliary member 8 is adjusted to correct the inclination of the support column 6 in the vertical direction and the shape of the frame 2 to the default shape. ..

After the tension adjusting portion 8a is tightened and adjusted, the awning 5 is put on the support column 4 as shown in FIG. 23. Although not shown, the awning 5 is attached by binding a fastening string or the like attached to the awning 5 to a horizontal member 2a or the like.

After the awning 5 is put on the two support columns 4 and the frame body 2, as shown in FIG. 24, the two columns 6 are slid in the guide portion 4a and projected upward from the guide portion 4a to be predetermined. It is locked by the locking means 4b at the push-up height position (position shown in the figure).

After covering the awning 5 and extending the two columns 6, as shown in FIG. 25, the fourth connection in which the other end of the first connecting member 7 in the free state is attached to the lower end of the columns 6. After connecting the fourth connecting portions 11 connected to the portions 11 and attached to the lower ends of the adjacent columns 6 with the second connecting member 14, the first tension adjusting portion 7b and the second connecting member of the first connecting member 7 are connected. 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 predetermined. It is adjusted to the tension of. Therefore, even if the two columns 6 are pushed down by the weight of the awning 5, the two columns 6 can be lifted by adjusting the lengths of the first connecting member 7 and the second connecting member 14, and the awning 5 can be lifted. Can give tension.

After adjusting the lengths of the first connecting member 7 and the second connecting member 14 to apply tension to the awning 5, as shown in FIG. 26, the leg 3 is extended and the lock mechanism 3c is used at a predetermined extension position. Lock and complete the tent.

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

The present invention is not limited to the above embodiment, and various modifications can be adopted without departing from the spirit of the present invention.

For example, regarding the frame body 2, a square or rectangular frame body 2 is exemplified in each of the above embodiments, but a polygonal frame body 2 other than a square or rectangular shape can be used, and a circular or elliptical frame body 2 can be used. It can also be 2.

Further, regarding the leg body 3, four leg bodies 3 are exemplified in the above embodiment, but the present invention is not limited to four legs, and three or more leg bodies 3 may be provided depending on the shape of the frame body 2. can.

Further, in the above embodiment, the embodiment in which the number of columns 6 is one or two is exemplified, but the number of columns 6 is not limited to one or two, and three or more columns 6 may be provided apart from each other.

Further, the locking means 4b exemplifies the plunger pin attached to the guide portion 4a in the above embodiment, but it may be any as long as it can lock the support column 6 at a predetermined push-up height position position, for example. By attaching a plunger pin to the inside of the support 6 and providing the plunger pin on the surface of the support column 6 so as to be able to appear and disappear, the structure is such that the plunger pin is locked at the upper end edge of the guide portion 4a, and the locking means 4b on the side of the support column 6 is provided. You can also do it.

Further, in the above embodiment, the square pipe is exemplified as the guide portion 4a, but the guide portion 4a is not limited to the square pipe, and the shape and the like are not limited as long as the support column 6 can be guided along the length direction thereof. ..

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

In the above embodiment, the example in which the arm 4c engages with the frame body 2 is shown, but it is also possible to adopt a configuration in which the arm 4c engages with the leg body 3, and both the frame body 2 and the leg body 3 can be used. It is also possible to adopt a configuration in which the arm 4c is engaged.

1 Tent frame 2 Frame body 2a Horizontal material 3 Leg body 4 Strut support 4a Guide part 4b Locking means 4c Arm 4c2 Engagement part 6 Strut 6a Top 14 Second connecting member

Claims (3)

A frame body that connects horizontal members and
Multiple legs that support the frame and
A strut support that is connected to and supported by the frame body and
A strut supported by the strut support is provided.
The support body includes a guide portion that guides the support column so as to be vertically movable along its length direction, a locking means that locks the support column to the support column at a predetermined push-up height to support the support column, and the guide. By having a plurality of arms swingably connected to the portion and having an engaging portion engaged with the frame body at the free end portion, the engaging portion engages with the frame body. It is configured to be assembled on the frame and
A tent frame further comprising a first connecting member that connects the arm and the lower end of the support column so as to be adjustable in length. A plurality of the support supports are provided, and the support is provided.
The strut supports placed next to each other are connected to each other by connecting the adjacent arms to each other.
Further provided with a second connecting member for length-adjustably connecting the lower ends of the respective columns of the adjacent column supports.
The tent frame according to claim 1. A plurality of the support supports are provided, and the support is provided.
The strut supports arranged next to each other are connected to each other by connecting the tops of the adjacent strut to each other.
The tent frame according to claim 1 or 2.

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