Double-layer folding rear door opening trailer

Abstract

The utility model relates to the field of outdoor trailers, and particularly discloses a double-layer folding rear door opening trailer which comprises a front vertical rod and a rear vertical rod, a first rear cross rod and a second rear cross rod are sequentially fixed on the rear vertical rod from top to bottom, and the first rear cross rod and the second rear cross rod are respectively provided with a second upper folding frame and a second lower folding frame which are rotatably connected with the first rear cross rod and the second rear cross rod. The second upper folding frame and the second lower folding frame are respectively provided with an upper extension frame and a lower extension frame which are in running fit with the second upper folding frame and the second lower folding frame and are vertically or horizontally arranged, main connecting belts are respectively fixed between the upper extension frame and the rear vertical rod and between the lower extension frame and the rear vertical rod, and a secondary buckle is tied outside the main connecting belt on one side; a female buckle is tied outside the main connecting band on the other side; a two-layer loading space is formed through the second upper folding frame, the second lower folding frame, the upper extension frame and the lower extension frame, and the upper extension frame and the lower extension frame can increase the single-time bearing length. And the main connecting belt can play a good role in blocking the upper extension frame and the lower extension frame when the articles are carried.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of outdoor trailer, especially relates to a double -decked after folding door trailer. BACKGROUND

[0002] The trailer is a kind of traditional transport tool, mainly by frame and cloth, usually used for short-distance transport goods, its structure is simple, it is suitable to use on narrow or uneven road, in outdoor activities or temporary place, trailer can be used to store goods, also suitable for family daily use, such as carrying sundries, gardening tools or shopping goods.

[0003] The current trailer is mostly single-layer structure, its carrying capacity is limited, does not have expansion capacity, cannot transport length longer goods.

[0004] The technical problem to be solved by the present application is: how to provide a double-layer trailer capable of transporting longer goods and capable of fixing the expansion structure. UTILITY MODEL CONTENTS

[0005] In order to overcome the defects of the prior art, the utility model aims at providing a double -decked after folding door trailer that can be expanded and fixed.

[0006] The utility model employs the technical scheme that a double -decked after folding door trailer, including front vertical rod and rear vertical rod, rear vertical rod is sequentially fixed with first rear cross bar and second rear cross bar from top to bottom, first rear cross bar and second rear cross bar are respectively equipped with the second upper folding frame and the second lower folding frame of rotation connection, the second upper folding frame and the second lower folding frame are respectively equipped with the upper extension frame and the lower extension frame of rotation cooperation and vertical or horizontal setting, the main connecting belt is fixed between upper extension frame and rear vertical rod and between lower extension frame and rear vertical rod, one side of main connecting belt is equipped with sub buckle, and the other side of main connecting belt is equipped with female buckle.

[0007] The trailer is divided into upper layer carrying space and lower layer carrying space by the second upper folding frame and the second lower folding frame, which greatly increases its volume, the upper extension frame and the lower extension frame are rotated to the parallel state with the second upper folding frame and the second lower folding frame, then the carrying length of the upper and lower layers can be increased, when facing the goods of length longer, there is also sufficient loading space, when the upper extension frame and the lower extension frame are rotated to the vertical state with the second upper folding frame and the second lower folding frame, the sub buckle and the female buckle are buckled together, the main connecting belt plays a blocking role on the upper extension frame and the lower extension frame, to prevent the goods carried in it from falling, this way is more suitable for the goods of small volume and large quantity.

[0008] In some embodiments, the rear vertical rod is provided with a rivet for fixing and installing the main connecting belt, and the main connecting belt on one side is also stitched with a vice connecting belt, and the other end of the vice connecting belt is connected with the sub buckle.

[0009] In some embodiments, the front vertical rod is sequentially fixed with the first front horizontal rod and the second front horizontal rod from top to bottom, and the first front horizontal rod and the second front horizontal rod are respectively provided with the first upper folding frame and the first lower folding frame rotationally connected therewith.

[0010] In some embodiments, a folding piece rotationally connected with both the first upper folding frame and the second upper folding frame is arranged between the first upper folding frame and the second upper folding frame, and the folding piece is configured to move upward in a unidirectional manner along the vertical direction.

[0011] In some embodiments, a folding rod group is arranged between the front vertical rod and the rear vertical rod, and the folding rod group comprises a plurality of metal folding rods arranged in a cross manner.

[0012] In some embodiments, the folding rod group is provided with a hanging rod, and the bottom of the hanging rod is fixed with a bottom rod.

[0013] In some embodiments, the first lower folding frame is rotationally connected with the second lower folding frame, and the bottom rod is located directly below the connection position of the first lower folding frame and the second lower folding frame.

[0014] In some embodiments, the first lower folding frame and the second lower folding frame are in close contact with the bottom rod, and the bottom rod is used to support the first lower folding frame and the second lower folding frame.

[0015] The utility model discloses the beneficial effect lies in: through the linkage design of second upper folding frame and second lower folding frame and upper extension frame and lower extension frame, form adjustable two -layer loading space, can greatly increase its containing space, and rotatable upper extension frame and lower extension frame can increase the length of single -time bearing, and have more stable bearing mode to super -length article, the main connection belt connected by the sub -buckle and the female buckle can play the very good blocking effect to upper extension frame and lower extension frame when bearing article, and the sub -buckle can adopt the mode of single -hand to open, convenient to unlock simultaneously, and also shorten the operation time. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view three -dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the rear view three -dimensional structure schematic diagram of the utility model;

[0018] Figure 3 It is the unfolded three -dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is the structure schematic diagram of the utility model after the upper and lower extension frame is stored;

[0020] Figure 5 It is the structure schematic diagram of the utility model after the upper and lower extension frame is unfolded;

[0021] Figure 6 The whole storage structure diagram of the utility model is shown.

[0022] In the drawing: 1, front vertical rod; 11, first front horizontal rod; 12, second front horizontal rod; 13, first upper folding frame; 14, first lower folding frame; 2, rear vertical rod; 21, first rear horizontal rod; 22, second rear horizontal rod; 23, upper extension frame; 24, lower extension frame; 25, second upper folding frame; 26, second lower folding frame; 3, folding piece; 4, suspension rod; 41, bottom rod; 5, folding rod group; 61, main connecting belt; 62, auxiliary connecting belt; 63, sub buckle; 64, female buckle; 65, rivet. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1 to 3 The utility model provides a kind of technical scheme: a double-layer folding door trailer, including two front vertical rods 1 and two rear vertical rods 2, first front horizontal rod 11 and second front horizontal rod 12 are welded from top to bottom between two front vertical rods 1, first rear horizontal rod 21 and second rear horizontal rod 22 are sequentially welded from top to bottom between two rear vertical rods 2, wherein, first front horizontal rod 11 side is rotatably connected with first upper folding frame 13 by hinged frame, second front horizontal rod 12 same side is also rotatably connected with first lower folding frame 14 by hinged frame, first rear horizontal rod 21 side is rotatably connected with second upper folding frame 25 by hinged frame, second rear horizontal rod 22 same side is also rotatably connected with second lower folding frame 26 by hinged frame, folding piece 3 is connected between first upper folding frame 13 and second upper folding frame 25, folding piece 3 and the upper side of two folding frames abut, first lower folding frame 14 and second lower folding frame 26 are connected by pin, folding rod group 5 is arranged between front vertical rod 1 and rear vertical rod 2, folding rod group 5 is composed of multiple cross metal folding rods, suspension rod 4 is arranged at the cross support point of folding rod group 5 center, bottom rod 41 is fixed at the bottom of two suspension rods 4, bottom rod 41 is in contact with the connection of first lower folding frame 14 and second lower folding frame 26, for supporting first lower folding frame 14 and second lower folding frame 26, to play the role of stabilizing the lower bearing space.

[0025] Please refer to Figure 4 And Figure 5The second upper folding frame 25 is rotatably connected with the upper extension frame 23 through a hinge frame, the second lower folding frame 26 is rotatably connected with the lower extension frame 24 through a hinge frame, the upper extension frame 23 and the rear vertical rod 2 are connected with the main connecting belt 61, the main connecting belt 61 is connected with the upper extension frame 23 or the lower extension frame 24 by sewing a closed loop after extending from the first end to the end and backfolding, the top and the middle of the rear vertical rod 2 are fixed with rivets 65, the rivets 65 rivet four main connecting belts 61 on the rear vertical rod 2 respectively, the main connecting belt 61 on one side is sleeved with a female buckle 64, the main connecting belt 61 on the other side is sewn with a secondary connecting belt 62, and one end of the secondary connecting belt 62 is connected with a male buckle 63, the upper extension frame 23 and the lower extension frame 24 have two states, one is parallel with the rear vertical rod 2, that is, the storage state, and the other is perpendicular to the rear vertical rod 2, that is, the unfolded state, when in the storage state, the male buckle 63 and the female buckle 64 are buckled together, so that the main connecting belt 61 plays a blocking role on the upper extension frame 23 and the lower extension frame 24.

[0026] Please refer to Figure 6 For the storage process of the trailer, first pull up the folding piece 3, make the first upper folding frame 13 and the second upper folding frame 25 fold to each other in the inverted V-shaped structure, at the same time, make the first lower folding frame 14 and the second lower folding frame 26 also fold to each other in the inverted V-shaped structure, in this process, the front vertical rod 1 and the rear vertical rod 2 also approach each other for storage, and the folding rods in the compression folding rod group 5 are folded.

[0027] Finally, it should be noted that the above only for the preferred examples of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A double-deck, fold-in-half, open-door trailer comprising a front upright (1) and a rear upright (2), characterized in that, The rear vertical rod (2) is sequentially fixed with a first rear cross rod (21) and a second rear cross rod (22) from top to bottom, the first rear cross rod (21) and the second rear cross rod (22) are respectively provided with a second upper folding frame (25) and a second lower folding frame (26) rotationally connected therewith, the second upper folding frame (25) and the second lower folding frame (26) are respectively provided with an upper extension frame (23) and a lower extension frame (24) rotationally matched therewith and arranged vertically or horizontally, a main connecting belt (61) is fixed between the upper extension frame (23) and the rear vertical rod (2) and between the lower extension frame (24) and the rear vertical rod (2), respectively, a sub buckle (63) is arranged on one side of the main connecting belt (61), and a female buckle (64) is arranged on the other side of the main connecting belt (61).

2. The double deck, fold-over, door opening trailer of claim 1 wherein, The rear vertical rod (2) is provided with a rivet (65) for fixing and mounting the main connecting belt (61), and a vice connecting belt (62) is further sewn on one side of the main connecting belt (61), and the other end of the vice connecting belt (62) is connected with the sub buckle (63).

3. The double deck, fold-over, door opening trailer of Claim 1 wherein, The front vertical rod (1) is sequentially fixed with a first front cross rod (11) and a second front cross rod (12) from top to bottom, the first front cross rod (11) and the second front cross rod (12) are respectively provided with a first upper folding frame (13) and a first lower folding frame (14) rotationally connected therewith.

4. The double deck, fold-over, door opening trailer of claim 3 wherein, The first upper folding frame (13) and the second upper folding frame (25) are provided with a folding piece (3) rotationally connected with both of them, the folding piece (3) is respectively abutted with the first upper folding frame (13) and the second upper folding frame (25) above, and the folding piece (3) is configured to move upward in a one-way manner in a vertical direction.

5. The double deck, fold-over, door opening trailer of claim 3 wherein, The front vertical rod (1) and the rear vertical rod (2) are provided with a folding rod group (5), and the folding rod group (5) comprises a plurality of metal folding rods arranged in cross.

6. A double deck, fold-over, open door trailer as claimed in claim 5 wherein, The folding rod group (5) is provided with a boom (4), and the bottom of the boom (4) is fixed with a bottom rod (41).

7. A double deck, fold-over, open door trailer as claimed in claim 6 wherein, The first lower folding frame (14) and the second lower folding frame (26) are rotationally matched, and the bottom rod (41) is located directly below the connection position of the first lower folding frame (14) and the second lower folding frame (26).

8. A double deck, fold-over, open door trailer as claimed in claim 7, wherein, The first lower folding frame (14) and the second lower folding frame (26) are in close contact with the bottom rod (41), and the bottom rod (41) is used for supporting the first lower folding frame (14) and the second lower folding frame (26).

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