Goods stacking device for logistics cold chain storage

Abstract

The goods stacking device for the logistics cold chain storage comprises a tray, supporting wheels are rotatably installed at the positions, close to the two corners of the rear face, of the lower face of the tray, side face supporting legs are fixedly connected to the positions, close to the two corners of the front face, of the lower face of the tray, an inserting groove is formed in the front face of the tray, and an inserting head is inserted into the inserting groove. Two hinge lugs are symmetrically and fixedly connected to the front face of the connecting plug, connecting bushings are installed in the hinge lugs in an embedded mode, a connecting bearing is arranged between the two hinge lugs, connecting shafts are fixedly connected to the two sides of the connecting bearing, the connecting shafts are rotationally connected with the connecting bushings, and a pull rod is fixedly connected into the connecting bearing. The pull rod is rotated to drive the rollers to rotate and gradually touch the ground to support the front end of the tray, the whole pull rod is long and rotates with the connecting shaft as the center, the tray can be easily supported by the rollers according to the lever principle, and the problem that when a large number of goods are placed on the tray, the lower portions of the side supporting legs are difficult to leave the ground and suspend is solved.

Description

Technical Field

[0001] The utility model relates to a stacking device, in particular to a cargo stacking device for cold chain warehousing in logistics. Background Art

[0002] Cold chain logistics generally refers to the process of refrigerated and frozen foods being kept in a specified low-temperature environment throughout the entire process from production, storage, transportation, sales to consumption. The goods are generally placed on stacking devices.

[0003] For example, a cargo stacking device for cold chain warehousing in logistics is disclosed in Chinese patent publication number CN217022560U, comprising a base, wherein the lower surface of the base is provided with four lifting slots, and the upper end groove walls of the four lifting slots are penetrated by a threaded hole, and the four threaded holes are threadedly connected with a threaded rod, and the lower ends of the four threaded rods extend through the four lifting slots respectively. The threaded rods can be rotated, and the threaded rods can drive the lifting block and the roller to descend by cooperating with the threaded holes, so that the base is supported and can be moved. At the same time, after being supported, the mounting block can be inserted into the mounting hole and the lifting slot, so that the lifting block can be supported by the mounting block, thereby increasing its bearing capacity, and the mounting block can be prevented from being detached by the clamping connection between the positioning rod and the positioning slot, so that the trailer handle can be fixed on the base, and then the base can be pushed by the cart handle to drive the cargo to move, making the overall use relatively simple and convenient;

[0004] Some problems were found during the use of the above-mentioned existing cargo stacking device for logistics cold chain warehousing. First, when the roller is stored in the lifting slot, the handle threaded rod is exposed at the upper end of the device, which will affect the placement of cold chain goods on the base. Secondly, the threaded rod is used to drive the lifting block downward. When goods are loaded on the base, it is difficult to rotate the threaded rod due to the weight of the goods. Utility Model Content

[0005] The purpose of the present invention is to provide a cargo stacking device for cold chain logistics storage to solve the existing problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cargo stacking device for logistics cold chain warehousing, comprising a pallet, support wheels rotatably installed at the bottom of the pallet near the two rear corners, side support feet fixedly connected to the bottom of the pallet near the two front corners, a plug slot is provided on the front of the pallet, a plug connector is inserted in the plug slot, two hinged ears are symmetrically fixed to the front of the plug connector, a connecting bushing is embedded in the hinged ear, a connecting bearing is provided between the two hinged ears, connecting shafts are fixed on both sides of the connecting bearing, the connecting shaft is rotatably connected to the connecting bushing, a pull rod is fixed in the connecting bearing, the lower end of the pull rod is fixed to a mounting seat, and rollers are fixed on both sides of the mounting seat.

[0007] Preferably, a central supporting foot is fixedly connected to the front of the tray, and the central supporting foot is at the same height as the bottom of the side supporting foot. A limiting groove is provided on the front of the central supporting foot, and a return spring is fixed in the limiting groove. The other end of the return spring is fixedly connected to a limiting pin.

[0008] Preferably, a displacement handle is fixedly connected to the limit latch, and a fixing hole is provided in the plug connector, and the fixing hole cooperates with the limit latch.

[0009] Preferably, a threaded sleeve is embedded on one side of the connecting bushing, through holes are provided in the hinged ear and the connecting bushing, the through holes are communicated with the threaded sleeve, and a fixing bolt is installed in the thread of the threaded sleeve.

[0010] Preferably, a limiting hole is provided in the connecting shaft on one side, and the limiting hole cooperates with the fixing bolt.

[0011] Preferably, a handle is fixedly connected to the other end of the pull rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. Through the cooperation of the side support feet and the support wheels, after the plug connector is taken out of the plug slot, the pallet can be used simply as a traditional pallet. Compared with the existing device, there is no raised mechanism on the pallet to interfere with the placement of goods.

[0014] 2. The pull rod is rotated to drive the roller to rotate and gradually touch the ground to support the front end of the pallet. The pull rod is relatively long and rotates around the connecting shaft. By using the lever principle, the roller can easily support the pallet, avoiding the problem of difficulty in keeping the side support legs suspended from the ground when a large amount of goods are placed on the pallet.

[0015] 3. When the pull rod is rotated to a vertical position, the roller is in a suspended state and does not contact the ground, making it easy to insert or remove the connector from the socket.

[0016] 4. The pull rod is installed inside the connecting bearing. The pull rod can rotate freely. The rotation of the pull rod will drive the roller to rotate, and then adjust the forward angle of the pallet, making it easy to move the device in the complex environment of the logistics cold chain warehouse. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the tray structure of the utility model;

[0019] Figure 3 It is a partial exploded view of the utility model;

[0020] Figure 4 For the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 This is a schematic diagram of the structure of the support wheel touching the ground at different angles of the pull rod of the utility model.

[0022] In the figure: 1. Tray; 101. Side support foot; 102. Support wheel; 103. Center support foot; 104. Plug slot; 2. Limit groove; 201. Return spring; 202. Limit latch; 203. Displacement handle; 3. Plug connector; 301. Fixing hole; 302. Hinge ear; 303. Connecting bushing; 304. Threaded sleeve; 305. Fixing bolt; 4. Connecting bearing; 401. Connecting shaft; 402. Limit hole; 5. Pull rod; 501. Mounting seat; 502. Roller; 503. Handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5The utility model provides a technical solution: a cargo stacking device for logistics cold chain warehousing, comprising a pallet 1, support wheels 102 are rotatably installed at the bottom of the pallet 1 near the two rear corners, side support feet 101 are fixedly connected to the bottom of the pallet 1 near the two front corners, a plug slot 104 is provided on the front of the pallet 1, a plug connector 3 is inserted in the plug slot 104, two hinged ears 302 are symmetrically fixed to the front of the plug connector 3, a connecting bushing 303 is embedded in the hinged ear 302, a connecting bearing 4 is provided between the two hinged ears 302, connecting shafts 401 are fixed on both sides of the connecting bearing 4, the connecting shaft 401 is rotatably connected to the connecting bushing 303, a pull rod 5 is fixed in the connecting bearing 4, the lower end of the pull rod 5 is fixedly connected to a mounting seat 501, and rollers 502 are fixed on both sides of the mounting seat 501.

[0025] In this embodiment, the side support legs 101 and the support wheels 102 are located at the four corners below the tray 1, which can stably support the tray 1 on the ground. At the same time, there is a certain friction between the side support legs 101 and the ground to prevent the tray 1 from sliding around. At this time, the tray 1 can be used simply as a traditional tray. When the device needs to be moved, the connecting bearing 4 uses the connecting shaft 401 to rotate with the connecting bushing 303, and the pull rod 5 is rotated and installed between the hinge ears 302. The pull rod 5 is rotated to a vertical state, and then the plug connector 3 is inserted into the plug slot 104. Figure 5 As shown in the upper middle view, the roller 502 does not touch the ground at this time, which makes it easy to insert the plug connector 3 into the plug slot 104. Then, the rotating pull rod 5 drives the mounting base 501 to rotate, and the rotation of the mounting base 501 drives the roller 502 to rotate. The roller 502 gradually touches the ground as it rotates, and supports the front side support foot 101 of the tray 1 off the ground. At this time, the roller 502 and the support wheel 102 are in contact with the ground, as shown in FIG. Figure 5 As shown in the lower middle view, the pull rod 5 can be used to conveniently drag the device to move. The pull rod 5 is relatively long as a whole and rotates around the connecting shaft 401. By utilizing the lever principle, the roller 502 can easily support the pallet 1 to avoid the situation where a large amount of goods are placed on the pallet 1 and it is difficult to suspend the side support legs 101 off the ground. At the same time, the pull rod 5 is installed inside the connecting bearing 4 and can rotate freely. The rotation of the pull rod 5 will drive the roller 502 to rotate, thereby adjusting the forward angle of the pallet 1, making it easy to move the device in the narrow environment of the cold storage.

[0026] Among them, in order to achieve the purpose of fixing the plug connector 3 in the plug slot 104, the present device adopts the following technical solution: a central support foot 103 is fixedly connected to the front of the tray 1, and the central support foot 103 is at the same height as the bottom of the side support foot 101. A limiting groove 2 is provided on the front of the central support foot 103, and a return spring 201 is fixed in the limiting groove 2. The other end of the return spring 201 is fixedly connected to a limiting pin 202, and a displacement handle 203 is fixed to the limiting pin 202. A fixing hole 301 is provided in the plug connector 3, and the fixing hole 301 cooperates with the limiting pin 202.

[0027] The center support foot 103 is at the same height as the side support foot 101, which acts as a front support foot and cooperates with the support wheel 102 to place the tray 1 horizontally on the ground. The return spring 201 can provide a certain thrust for the limit pin 202. The limit pin 202 is inserted into the fixing hole 301 under the thrust, and then fixes the plug connector 3 in the plug slot 104. The moving displacement handle 203 can drive the limit pin 202 to move.

[0028] Among them, in order to achieve the purpose of limiting the rotation of the connecting shaft 401, this device adopts the following technical solutions: a threaded sleeve 304 is embedded and installed on one side of the connecting bushing 303, and a through hole is opened in the hinged ear 302 and the connecting bushing 303, and the through hole is connected to the threaded sleeve 304. A fixing bolt 305 is installed in the inner thread of the threaded sleeve 304, and a limiting hole 402 is opened in the connecting shaft 401 on one side, and the limiting hole 402 cooperates with the fixing bolt 305, and a handle 503 is fixed to the other end of the pull rod 5.

[0029] By rotating the lever 5 to Figure 1 In the state shown, the limit hole 402 will be aligned with the through hole, and the fixing bolt 305 can be tightened to pass through the through hole into the limit hole 402, thereby limiting the continued rotation of the connecting shaft 401 and fixing the position of the roller 502 to avoid the need to continuously press down the pull rod 5 in the working state. The handle 503 makes it convenient for the operator to pull the pull rod 5 to move.

[0030] The working principle and use process of the present invention are as follows: when using, the goods need to be placed on the pallet 1. When the pallet 1 needs to be transported, it will be rotated to a vertical state, and then the plug connector 3 will be inserted into the plug slot 104. At this time, the limit pin 202 will be inserted into the fixing hole 301 under the push of the return spring 201, and the plug connector 3 will be fixed in the plug slot 104. Then, the rotating pull rod 5 drives the mounting seat 501 to rotate, and the rotation of the mounting seat 501 will drive the roller 502 to rotate. The roller 502 will gradually touch the ground as it rotates, and support the side support foot 101 off the ground. When the pull rod 5 is rotated to Figure 1After the shown state, rotate the fixing bolt 305 so that its end is inserted into the limiting hole 402, limiting the rotation of the connecting shaft 401, thereby limiting the rotation of the connecting bearing 4 and fixing the angle of the pull rod 5. At this time, the roller 502 touches the ground to support the side support foot 101 suspended off the ground, and the roller 502 and the support wheel 102 are in contact with the ground, and the handle 503 can be held to drag the device to move.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cargo stacking device for cold chain logistics storage, comprising a pallet (1), characterized in that: Support wheels (102) are rotatably mounted on the bottom of the tray (1) near the two rear corners, and side support legs (101) are fixedly connected to the bottom of the tray (1) near the two front corners. A plug slot (104) is provided on the front of the tray (1), and a plug connector (3) is inserted into the plug slot (104). Two hinged ears (302) are symmetrically fixed to the front of the plug connector (3), and a connecting bushing (303) is embedded and installed in the hinged ears (302). A connecting bearing (4) is provided between the two hinged ears (302), and connecting shafts (401) are fixed on both sides of the connecting bearing (4). The connecting shaft (401) is rotatably connected to the connecting bushing (303). A pull rod (5) is fixed in the connecting bearing (4), and a mounting seat (501) is fixed at the lower end of the pull rod (5), and rollers (502) are fixed on both sides of the mounting seat (501).

2. A cargo stacking device for cold chain logistics storage according to claim 1, characterized in that: The front of the tray (1) is fixedly connected to a central support foot (103), the central support foot (103) is at the same height as the lower side support foot (101), the front of the central support foot (103) is provided with a limiting groove (2), a return spring (201) is fixedly connected in the limiting groove (2), and the other end of the return spring (201) is fixedly connected to a limiting latch (202).

3. A cargo stacking device for cold chain logistics storage according to claim 2, characterized in that: A displacement handle (203) is fixedly connected to the limiting latch (202), and a fixing hole (301) is provided in the plug connector (3), and the fixing hole (301) and the limiting latch (202) cooperate with each other.

4. A cargo stacking device for cold chain logistics storage according to claim 1, characterized in that: A threaded sleeve (304) is embedded and installed on the connecting sleeve (303) on one side, and through holes are opened in the hinged ear (302) and the connecting sleeve (303). The through holes are connected to the threaded sleeve (304), and a fixing bolt (305) is installed in the internal thread of the threaded sleeve (304).

5. A cargo stacking device for cold chain logistics storage according to claim 4, characterized in that: A limiting hole (402) is provided in the connecting shaft (401) on one side, and the limiting hole (402) cooperates with the fixing bolt (305).

6. The cargo stacking device for cold chain logistics storage according to claim 1, characterized in that: The other end of the pull rod (5) is fixedly connected to a handle (503).

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