Telescopic wooden tray

Abstract

The utility model discloses a telescopic wooden tray which comprises a base, a fixed seat arranged in the center of the top of the base, a fixed shaft fixedly connected to the top of the fixed seat, a rotating seat fixedly connected to the top end of the fixed shaft, an annular limiting groove formed in the top of the rotating seat, and descending grooves formed in the front side and the rear side of the limiting groove respectively. The rotating plate is arranged at the top of the rotating seat, the front side and the rear side of the bottom of the rotating plate are movably connected with the rolling seats respectively, the two moving plates are arranged on the two sides of the rotating plate respectively, and the centers of the bottoms of the first U-shaped seat and the second U-shaped seat are connected with the curved bars respectively. According to the utility model, the rotating plate is rotated, the bent lever pushes the two moving plates to move on the separated side to realize stretching, the descending groove enables the rotating plate to move downwards to be parallel to the two moving plates, and the rotating plate is fixed through clamping of the two moving plates and limiting of the descending groove, so that the rotating plate and the moving plates are always in a horizontal state; even if a heavy object is placed on the upper side, step-shaped unevenness is avoided, and the risk of collapse is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wooden pallets, in particular to a retractable wooden pallet. Background Art

[0002] A wooden pallet is a pallet made of natural wood; it is the most widely used pallet at present. A pallet is a horizontal platform device used for containerizing, stacking, handling, and transporting goods and products with a wooden pallet as a unit load; it is generally made of wood, metal, or fiberboard, which is convenient for loading, unloading, handling unit materials, and small quantities of materials.

[0003] A retractable wooden pallet with the publication number CN214268364U includes a top plate and also includes a retractable plate. A first support plate is fixedly connected to the top plate, and a second support plate opposite to the first support plate is installed on the retractable plate; a contraction mechanism is provided on the top plate and the support plate, which can move the retractable plate to overlap with the top plate in the vertical direction. The contraction mechanism includes a mounting member, a connecting plate, and a sliding member. The mounting member is fixedly connected to one end of the retractable plate close to the first support plate. A sliding groove is opened on the top plate, and the sliding groove is opened in a long strip shape along the direction close to the first support plate. The sliding member is slidably connected in the sliding groove, and the connecting plate is rotatably connected to the mounting member and the sliding member. This application has the effect of reducing the floor area when the wooden pallet is stored. In addition, the existing wooden pallets also have the following disadvantages in use:

[0004] (1) When a heavy object is placed on the top of the retractable plate of the existing wooden pallet, it will cause the retractable plate to squeeze the spring downward, resulting in a stepped height of the pallet, causing the heavy object at the connection to tilt, and thus there is a risk of collapse. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a retractable wooden pallet.

[0006] To solve the above problems, the technical solution of the utility model is as follows:

[0007] A base, with limiting tubes respectively arranged on the front side and the rear side of the top of the base. In the two limiting tubes, sliding grooves one are respectively arranged on both sides of the inner top, and sliding grooves two are respectively arranged on both sides of the inner bottom of the two limiting tubes;

[0008] A fixed seat, which is arranged at the center of the top of the base. A fixed shaft is fixedly connected to the top of the fixed seat, and a rotating seat is fixedly connected to the top of the fixed shaft. An annular limiting groove is arranged on the top of the rotating seat, and descending grooves are respectively arranged on the front side and the rear side of the limiting groove;

[0009] Rotating plate, the rotating plate is arranged on the top of the rotating seat, the front side and the rear side of the bottom of the rotating plate are respectively movably connected with rolling seats, and the two sides of the bottom of the rotating plate are respectively fixedly connected with inserting rods;

[0010] Moving plates, the number of the moving plates is two, the two moving plates are respectively arranged on both sides of the rotating plate, one side of the bottom of one of the moving plates far away from the rotating plate is fixedly connected with a U-shaped seat one, and the other side of the bottom of the other moving plate far away from the rotating plate is fixedly connected with a U-shaped seat two. The centers of the bottoms of the U-shaped seat one and the U-shaped seat two are respectively connected with a curved rod.

[0011] Furthermore, the two inserting rods are respectively connected with the slots in a matching manner. The bottoms of the two rolling seats are respectively provided with rolling wheels. The two rolling seats are respectively connected with the limiting slots in a matching manner, and the two rolling seats are respectively connected with the descending slots in a matching manner.

[0012] Furthermore, on both sides of the bottom of the U-shaped seat one close to the fixed seat, two limiting rods one are respectively fixedly connected. On both sides of the two limiting rods one, two sliders one are respectively fixedly connected. The limiting rods one can be completely received inside the limiting tubes. The four sliders one are respectively connected with the chute two in a matching manner.

[0013] Furthermore, the relative ends of the two curved rods are respectively hinged to both ends of a connecting plate. The connecting plate is sleeved on the outer wall of a fixed shaft. Slots are respectively arranged on both sides of the connecting plate.

[0014] Furthermore, round corners are respectively arranged at the connection parts of the two descending slots and the limiting slots.

[0015] Furthermore, on both sides of the bottom of the U-shaped seat two close to the fixed seat, two limiting rods two are respectively fixedly connected. On both sides of the two limiting rods two, two sliders two are respectively fixedly connected. The limiting rods two can be completely received inside the limiting tubes. The four sliders two are respectively connected with the chute one in a matching manner.

[0016] The advantages of the present utility model compared with the existing technology are as follows:

[0017] 1. The present utility model provides a retractable wooden tray. By rotating the rotating plate, the two moving plates are pushed to move away from each other through the curved rods, so as to realize stretching. Through the descending slots, the rotating plate moves downward to be parallel to the two moving plates. Through the clamping of the two moving plates and the limiting of the descending slots, the fixing of the rotating plate is completed, so that the rotating plate and the moving plates are always in a horizontal state. Even if heavy objects are placed on the upper side, there will be no stepped unevenness, thus avoiding the risk of collapse and increasing the stability of the load-bearing of the tray. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the three-dimensional view of the present utility model Figure 1 .

[0019] Figure 2 is the three-dimensional view of the present utility model Figure 2 .

[0020] Figure 3 is the three-dimensional view of the structure near the rotating seat of the present utility model

[0021] Figure 4 is Figure 2 the enlarged view of part A in

[0022] Figure 5 is Figure 3 the enlarged view of part B in

[0023] As shown in the figure: 1. Base; 2. Limiting tube; 3. First chute; 4. Second chute; 5. Fixed seat; 6. Fixed shaft; 7. Connecting plate; 8. Slot; 10. Rotating seat; 11. Limiting groove; 12. Lowering groove; 13. Rolling seat; 14. Rotating plate; 15. Moving plate; 16. First U-shaped seat; 17. Second U-shaped seat; 18. First limiting rod; 19. Second limiting rod; 20. First slider; 21. Second slider; 22. Inserting rod; 23. Curved rod Detailed implementation manners

[0024] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all the implementation manners consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model

[0026] Embodiment 1:

[0027] As Figures 1 to 5As shown in the figure, this embodiment provides a telescopic wooden pallet, which includes a base 1, a fixed seat 5, a rotating plate 14 and a moving plate 15. On the front side and the rear side of the top of the base 1, limiting tubes 2 are respectively provided. On both sides of the inner top of the two limiting tubes 2, a first chute 3 is respectively provided. On both sides of the inner bottom of the two limiting tubes 2, a second chute 4 is respectively provided. The fixed seat 5 is arranged at the center of the top of the base 1. A fixed shaft 6 is fixedly connected to the top of the fixed seat 5. The top of the fixed shaft 6 is fixedly connected to a rotating seat 10. An annular limiting groove 11 is provided at the top of the rotating seat 10. A descending groove 12 is respectively provided at the front side and the rear side of the limiting groove 11. The rotating plate 14 is arranged at the top of the rotating seat 10. The front side and the rear side of the bottom of the rotating plate 14 are respectively movably connected to rolling seats 13. On both sides of the bottom of the rotating plate 14, inserting rods 22 are respectively fixedly connected. The number of the moving plates 15 is two. The two moving plates 15 are respectively arranged on both sides of the rotating plate 14. On one side of the bottom of one moving plate 15 far away from the rotating plate 14, a first U-shaped seat 16 is fixedly connected. On one side of the bottom of the other moving plate 15 far away from the rotating plate 14, a second U-shaped seat 17 is fixedly connected. At the center of the bottom of the first U-shaped seat 16 and the second U-shaped seat 17, a curved rod 23 is respectively hinged.

[0028] Example 2:

[0029] The solution in Example 1 is further introduced below in combination with the specific working mode. See the following description for details: The relative ends of the two curved rods 23 are respectively hinged to both ends of a connecting plate 7. The connecting plate 7 is sleeved on the outer wall of the fixed shaft 6. Slots 8 are respectively provided on both sides of the connecting plate 7. The two inserting rods 22 are respectively connected to the slots 8 in a matching manner. Rolling wheels are respectively provided at the bottoms of the two rolling seats 13. The two rolling seats 13 are respectively connected to the limiting groove 11 in a matching manner. The two rolling seats 13 are respectively connected to the descending groove 12 in a matching manner. Fillets are respectively provided at the connection positions of the two descending grooves 12 and the limiting groove 11.

[0030] Example 3:

[0031] The solution in Example 2 is further introduced below in combination with the specific working mode. See the following description for details: On both sides of the bottom of the first U-shaped seat 16 close to the fixed seat 5, a first limiting rod 18 is respectively fixedly connected. On both sides of the two first limiting rods 18, a first slider 20 is respectively fixedly connected. The first limiting rod 18 can be completely received inside the limiting tube 2. The four first sliders 20 are respectively connected to the second chute 4 in a matching manner.

[0032] Example 4:

[0033] The solution in Example 3 is further introduced below in combination with the specific working mode. See the following description for details: On both sides of the bottom of the second U-shaped seat 17 close to the fixed seat 5, a second limiting rod 19 is respectively fixedly connected. On both sides of the two second limiting rods 19, a second slider 21 is respectively fixedly connected. The second limiting rod 19 can be completely received inside the limiting tube 2. The four second sliders 21 are respectively connected to the first chute 3 in a matching manner.

[0034] Rotate the rotating plate 14, and push the two moving plates 15 to move away from each other through the curved rod 23, so as to achieve stretching. Make the rotating plate 14 move downward through the descending groove 12 to be parallel to the two moving plates 15. Through the clamping of the two moving plates 15 and the limitation of the descending groove 12, the fixation of the rotating plate 14 is completed, so that the rotating plate 14 and the moving plates 15 are always in a horizontal state. Even if heavy objects are placed on the upper side, there will be no stepped unevenness, thus avoiding the risk of collapse and increasing the stability of the tray load-bearing capacity.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0037] The above describes the present invention and its implementation manners. Such a description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural manners and embodiments without creative efforts without departing from the creative purpose of the present invention, they shall fall within the protection scope of the present invention.

Claims

1. A retractable wooden pallet, characterized in that: include: A base (1), wherein the front and rear sides of the top of the base (1) are respectively provided with limiting tubes (2), wherein the limiting tubes (2) are provided with a first slide groove (3) on both sides of the top of the two limiting tubes (2), and a second slide groove (4) on both sides of the bottom of the two limiting tubes (2); A fixed seat (5), the fixed seat (5) being arranged at the top center of the base (1), the top of the fixed seat (5) being fixedly connected to a fixed shaft (6), the top of the fixed shaft (6) being fixedly connected to a rotating seat (10), the top of the rotating seat (10) being provided with an annular limiting groove (11), and the front and rear sides of the limiting groove (11) being provided with descending grooves (12) respectively; A rotating plate (14), the rotating plate (14) being arranged on the top of the rotating seat (10), the front side and the rear side of the bottom of the rotating plate (14) being movably connected to the rolling seat (13), and the two sides of the bottom of the rotating plate (14) being fixedly connected to the plug rods (22); A movable plate (15), wherein the number of the movable plates (15) is two, and the two movable plates (15) are respectively arranged on both sides of the rotating plate (14), wherein the bottom of one of the movable plates (15) is fixedly connected to a U-shaped seat 1 (16) on a side away from the rotating plate (14), and the bottom of the other movable plate (15) is fixedly connected to a U-shaped seat 2 (17) on a side away from the rotating plate (14), and the bottom centers of the U-shaped seat 1 (16) and the U-shaped seat 2 (17) are respectively connected to a curved rod (23).

2. A retractable wooden pallet according to claim 1, characterized in that: The opposite ends of the two curved rods (23) are respectively hinged to the two ends of a connecting plate (7), the connecting plate (7) is sleeved on the outer wall of the fixed shaft (6), and slots (8) are respectively provided on both sides of the connecting plate (7).

3. The retractable wooden pallet according to claim 1, characterized in that: The two insertion rods (22) are respectively adapted to be connected to the slots (8); rolling wheels are respectively provided at the bottoms of the two rolling seats (13); the two rolling seats (13) are respectively adapted to be connected to the limiting slots (11); and the two rolling seats (13) are respectively adapted to be connected to the descending slots (12).

4. The retractable wooden pallet according to claim 1, characterized in that: The connection points between the two descending grooves (12) and the limiting groove (11) are respectively provided with rounded corners.

5. The retractable wooden pallet according to claim 1, characterized in that: The bottom of the U-shaped seat 1 (16) is close to the fixed seat (5) on both sides and is fixedly connected to the limiting rod 1 (18), and the two sides of the two limiting rods 1 (18) are fixedly connected to the sliding block 1 (20), and the limiting rod 1 (18) can be completely received in the limiting tube (2), and the four sliding blocks 1 (20) are respectively connected to the sliding groove 2 (4).

6. The retractable wooden pallet according to claim 1, characterized in that: The bottom of the U-shaped seat 2 (17) is fixedly connected to the two sides of the fixed seat (5) with the limiting rod 2 (19), and the two sides of the two limiting rods 2 (19) are fixedly connected to the sliding block 2 (21). The limiting rod 2 (19) can be completely received in the limiting tube (2), and the four sliding blocks 2 (21) are respectively connected to the sliding groove 1 (3).

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