Folding preaching device for study travel

Abstract

The utility model relates to the technical field of preaching, in particular to a folding preaching device for study travel, which comprises two supporting mechanisms, a vertical rod is fixed at the top of each supporting mechanism, each supporting mechanism comprises a first vertical rod, a second vertical rod and a third vertical rod which are sequentially and rotatably connected end to end, and a traction component is arranged on the inner side of each third vertical rod. According to the utility model, the first vertical rod and the second vertical rod as well as the second vertical rod and the third vertical rod are rotationally connected through the rotating seat, and meanwhile, the limiting rings in screwed connection with the end parts of the rotating seats are used for fixing the vertical rods; the two supporting mechanisms can be pulled open to tension the banner so as to preach a study travel or shoot a collective photo, after use is finished and a limiting ring is unscrewed, the second vertical rod, the third vertical rod and the vertical rod can be folded to the inner side of the second vertical rod, and then the second vertical rod, the third vertical rod and the vertical rod are integrally screwed into the inner side of the first vertical rod, so that the size is reduced, and the practicability is high. The overall carrying is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of propaganda, in particular to a folding propaganda device for research and study tours. Background Art

[0002] Regular participation in outdoor activities helps to improve students' physical and cultural qualities and is conducive to knowledge accumulation. As an off-campus practice activity that combines research-based learning and travel experience outside the school, research and study tours focus on broadening students' horizons and cultivating students' life skills, collective concepts, and practical abilities. During the process of research and study tours, it is often necessary to conduct knowledge propaganda and activity project promotion.

[0003] However, during this process, tools such as banners have a prominent role in displaying the practice theme. When in use, generally, banners and the like are opened with two relatively long vertical rods and the vertical rods are inserted into the soil. However, this method is not convenient for carrying the relatively long vertical rods. Some people will hang the banners and the like at a high place through ropes, which will cause the banners to shake under the action of wind, reducing stability and making them inconvenient to use. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a folding propaganda device for research and study tours to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A folding propaganda device for research and study tours, comprising:

[0007] Support mechanisms, the number of which is two. A vertical rod is fixed at the top of the support mechanism. The support mechanism includes a first vertical rod, a second vertical rod, and a third vertical rod that are sequentially rotatably connected end to end. A pulling member is arranged inside the third vertical rod;

[0008] A banner, with insertion strips fixed at both ends of the banner, and the banner is arranged between two vertical rods;

[0009] Slots for movably inserting the insertion strips are formed on the outer sides of the vertical rods, and the vertical rods are used for connecting and winding up the banner.

[0010] Furthermore: Rotating seats are fixed at one end of the second vertical rod and one end of the third vertical rod. Among them, the rotating seat fixed to the second vertical rod is rotatably connected to the end of the first vertical rod, and the rotating seat fixed to the third vertical rod is rotatably connected to the other end of the second vertical rod. Both the second vertical rod and the third vertical rod are of a U-shaped shell structure, which facilitates folding and storing the whole and is convenient for carrying.

[0011] Preferably, one end of the rotating seat is screwed and connected with a limiting ring whose one side is pressed against the inner side wall of the second vertical rod or the third vertical rod.

[0012] Preferably, a plurality of grooves are evenly formed on one side of the limiting ring, and the grooves facilitate the contact or separation of the limiting ring with the second vertical rod or the third vertical rod.

[0013] Furthermore, the pulling component includes a ground hook, one end of a pull rope is fixed on the ground hook, and the other end of the pull rope is fixed to a through groove provided on the inner side of the third vertical rod. When the ground hook is directly inserted into the soil, the overall stability can be improved. The ground hook can also be connected to external objects such as tree trunks to also improve stability.

[0014] Preferably: a partition is fixed inside the through groove, plug-in posts for connecting the ground hook are fixed on both sides of the partition, and the hook-shaped structure of the ground hook head can be connected to the plug-in posts.

[0015] Preferably, the end of the plug-in column is interference-connected with a rubber cap for fixing the ground hook.

[0016] Furthermore, a sealing nut is screwed and connected to the end of the vertical rod.

[0017] The invention further comprises that the cross sections of the inserting strip and the slot are both T-shaped.

[0018] Furthermore, one end of the first vertical rod is in a pointed cone shape.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The first vertical rod and the second vertical rod, and the second vertical rod and the third vertical rod are rotatably connected through a rotating seat, and a limiting ring screwed with the end of the rotating seat is used to fix them. In this way, when in use, the two supporting mechanisms can be pulled apart to tighten the banner so as to give a lecture on the study tour or take a group photo. After use, after loosening the limiting ring, the second vertical rod, the third vertical rod and the vertical rod can be folded to the inside of the second vertical rod, and then the second vertical rod, the third vertical rod and the vertical rod can be screwed into the inside of the first vertical rod as a whole, thereby reducing the volume, facilitating overall carrying, and being convenient to use.

[0021] 2. By arranging a ground hook on the inner side of the third vertical rod, when the ground hook is directly inserted into the soil, the tensioned pull rope can be used to improve the overall stability. Similarly, the ground hook can also be connected to external objects such as tree trunks to tension the pull rope, which also improves the overall stability. By using the rubber cap to be sleeved on the end of the plug-in column, the ground hook can be pressed against the partition, and the ground hook suspended on the plug-in column can be limited, so that the ground hook can be stored inside the through groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a front view of the overall use state of the utility model;

[0024] Figure 3 It is a side view of the overall use state of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the support mechanism in the utility model;

[0026] Figure 5 It is a structural schematic diagram of the rotating seat and the limiting ring in the utility model;

[0027] Figure 6 It is a structural schematic diagram of the third vertical rod and the ground hook in the utility model;

[0028] Figure 7 This is a schematic diagram of the rubber cap structure in the utility model;

[0029] Figure 8 It is a schematic diagram of the structure in which the third vertical rod and the vertical rod are stored inside the second vertical rod in the utility model;

[0030] Fig. 9 It is a structural schematic diagram of the support mechanism in the utility model in a folded state;

[0031] Fig.10 It is a structural schematic diagram of the insert strip and the slot in the utility model.

[0032] In the figure: 100, supporting mechanism; 110, first vertical rod; 120, second vertical rod; 130, third vertical rod; 131, partition; 132, plug-in column; 133, rubber cap; 140, rotating seat; 150, limiting ring; 200, banner; 300, vertical rod; 310, blocking nut; 400, ground hook; 410, pull rope. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Embodiment 1

[0035] See also Figures 1 to 10 In an embodiment of the utility model, a foldable presentation device for study tours includes:

[0036] The supporting mechanism 100 is two in number, and a vertical rod 300 is fixed on the top of the supporting mechanism 100. The supporting mechanism 100 includes a first vertical rod 110, a second vertical rod 120 and a third vertical rod 130 which are rotatably connected in sequence from head to tail, and a pulling component is arranged on the inner side of the third vertical rod 130;

[0037] A banner 200, with inserts fixed at both ends of the banner 200, and the banner 200 is arranged between two upright poles 300;

[0038] Specifically, a slot for movably plugging into the insertion strip is provided on the outer side of the vertical pole 300, and the vertical pole 300 is used to connect and reel in the banner 200. A sealing nut 310 is screwed and connected to the end of the vertical pole 300. By separating the sealing nut 310 from the vertical pole 300, it is convenient to replace or reel in the banner 200. When the sealing nut 310 is connected to the vertical pole 300, the insertion strip can be limited. The cross-sections of the insertion strip and the slot are both T-shaped, which makes it easy to separate the insertion strip from the slot, and to replace or reel in the banner 200. One end of the first vertical rod 110 is in a pointed cone shape, which makes it easy to insert the first vertical rod 110 into the soil and improve the overall stability.

[0039] In a specific implementation, the first vertical rod 110, the second vertical rod 120 and the third vertical rod 130 can be first unfolded, and then the inserts can be inserted into the slots, the banner 200 can be fixed inside the two vertical rods 300, and then the sealing nuts 310 can be tightened at the ends of the vertical rods 300 to prevent the inserts from being separated from the slots and causing the banner 200 to fall off;

[0040] Pull apart the two supporting mechanisms 100 to tighten the banner 200, and insert the bottom end of the first vertical rod 110 into the soil to fix it, so as to facilitate the presentation of the theme or spirit of the study tour or the taking of group photos;

[0041] After use, first loosen a sealing nut 310 until it is disengaged from the vertical pole 300, then pull out a corresponding insertion strip, leave the other insertion strip unchanged, and then rotate one 300 connected to the insertion strip, so that the banner 200 is rolled up to its outside. After rolling up, it is rotated to the inside of the corresponding second vertical pole 120. The sum of the lengths of the vertical pole 300 and the third vertical pole 130 is less than the length of the inside of the second vertical pole 120, thereby ensuring that the vertical pole 300 and the third vertical pole 130 can be placed on the inside of the second vertical pole 120 for storage. Finally, the whole is folded and recycled for easy carrying.

[0042] like Figure 5As shown, in this embodiment, a rotating seat 140 is fixed to one end of the second vertical rod 120 and one end of the third vertical rod 130. Among them, the rotating seat 140 fixed to the second vertical rod 120 is rotatably connected to the end of the first vertical rod 110, and the rotating seat 140 fixed to the third vertical rod 130 is rotatably connected to the other end of the second vertical rod 120. Both the second vertical rod 120 and the third vertical rod 130 are in the shape of a U-shaped housing structure, which facilitates folding and storing the whole, and is convenient for carrying.

[0043] As Figure 5 shown, in this embodiment, a limiting ring 150 whose one side is in screw-threaded connection with one end of the rotating seat 140 and is in pressing contact with the inner side wall of the second vertical rod 120 or the third vertical rod 130 is provided. A plurality of grooves are evenly formed on one side of the limiting ring 150. The grooves facilitate the contact or separation of the limiting ring 150 from the second vertical rod 120 or the third vertical rod 130. Rubber bumps that fit the grooves can be fixed on the inner side walls of the second vertical rod 120 and the first vertical rod 110, so that the grooves on the limiting ring 150 can be clamped and fixed with the rubber bumps, further improving the stability.

[0044] During specific implementation, when it is necessary to store the first vertical rod 110, the second vertical rod 120, the third vertical rod 130 and the vertical rod 300, the limiting ring 150 can be loosened so that it is separated from the second vertical rod 120 or the first vertical rod 110, thereby facilitating the rotation of the third vertical rod 130 and the vertical rod 300 to the inside of the second vertical rod 120, and then the whole of the second vertical rod 120, the third vertical rod 130 and the vertical rod 300 can be screwed into the inside of the first vertical rod 110 to reduce the volume and facilitate carrying.

[0045] Embodiment Two

[0046] On the basis of Embodiment One, in order to make up for the problem that after the first vertical rod 110 is inserted into the ground in Embodiment One, the stability is reduced due to the shaking of the banner 200 under the action of wind force, a pulling component is provided. On the one hand, it can contact the ground, and on the other hand, it can be connected to other external objects, such as tree trunks, columns, etc., to improve the overall stability.

[0047] As Figure 2 、 3 and 6 shown, in this embodiment, the pulling component includes a ground hook 400. One end of a pulling rope 410 is fixed to the ground hook 400, and the other end of the pulling rope 410 is fixed to a through groove formed inside the third vertical rod 130. When the ground hook 400 is directly inserted into the soil, the overall stability can be improved. The ground hook 400 can also be connected to external objects such as tree trunks, and the stability can also be improved. A partition 131 is fixed inside the through groove, and plugging columns 132 for connecting the ground hook 400 are fixed on both sides of the partition 131. The hook-shaped structure at the head of the ground hook 400 can be connected to the plugging column 132.

[0048] As Figure 7 As shown, in the present embodiment, the end of the plug-in column 132 is interference-connected with a rubber cap 133 for fixing the ground hook 400. By sleeve-engaging the rubber cap 133 with the end of the plug-in column 132, the ground hook 400 suspended on the plug-in column 132 can be limited by squeezing the ground hook 400 against the partition 131, so that the ground hook 400 can be stored inside the through groove.

[0049] In order to facilitate the use of the whole by the operator, permanent magnets can be fixed on the outside of the two first vertical rods 110, and the two permanent magnets can be used to attract each other so that the whole will not fall apart and always remain as a whole. The use of magnets with opposite poles to attract each other is an existing technology and will not be repeated here.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0051] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A foldable presentation device for study tours, characterized in that: Including: Support mechanisms, two in number. A vertical rod is fixed to the top of each support mechanism. The support mechanism includes a first vertical rod, a second vertical rod, and a third vertical rod that are sequentially rotatably connected end to end. A pulling component is provided inside the third vertical rod; A banner, with insertion strips fixed to both ends of the banner, and the banner is arranged between the two vertical rods; Slots for the insertion strips to be movably inserted are provided on the outer side of the vertical rod, and the vertical rod is used to connect and wind up the banner.

2. A foldable presentation device for study tours according to claim 1, characterized in that: Rotating seats are fixed to one end of the second vertical rod and one end of the third vertical rod. Among them, the rotating seat fixed to the second vertical rod is rotatably connected to the end of the first vertical rod, and the rotating seat fixed to the third vertical rod is rotatably connected to the other end of the second vertical rod. Both the second vertical rod and the third vertical rod are in the shape of a C-shaped housing structure.

3. A foldable presentation device for study tours according to claim 2, characterized in that: A limiting ring whose one side is screwed and connected to one end of the rotating seat and is used to be pressed and abutted against the inner side wall of the second vertical rod or the third vertical rod is provided.

4. A foldable presentation device for study tours according to claim 3, characterized in that: A plurality of grooves are evenly provided on one side of the limiting ring.

5. A foldable presentation device for study tours according to claim 1, characterized in that: The pulling component includes a ground hook. One end of a pulling rope is fixed to the ground hook, and the other end of the pulling rope is fixed to a through groove provided inside the third vertical rod.

6. A foldable presentation device for study tours according to claim 5, characterized in that: A partition is fixed inside the through groove, and plugging columns for connecting the ground hook are fixed to both sides of the partition.

7. A foldable presentation device for study tours according to claim 6, characterized in that: A rubber cap for fixing the ground hook is connected with an interference fit to the end of the plugging column.

8. The foldable presentation device for study tour according to claim 1, characterized in that: A plugging nut is screwed and connected to the end of the vertical rod.

9. A foldable presentation device for study tours according to claim 1, characterized in that: The cross-sections of the insertion strip and the slot are both T-shaped.

10. A foldable presentation device for study tours according to claim 1, characterized in that: One end of the first vertical rod is in a sharp cone shape.

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