Mould pressing tray capable of avoiding stress concentration

Abstract

The utility model relates to a mould pressing tray capable of avoiding stress concentration, which comprises a panel and foot piers, the lower portion of the panel and a plurality of foot piers are integrally formed, four side lines are formed on the outer side of the panel, adjacent side lines are perpendicular to each other, corners are formed between the adjacent side lines, each corner of the panel is provided with a foot pier, and the foot piers are connected with the panel. A first reinforcing rib is formed on the side, close to the center of the panel, of the foot pier located at the corner, and the first reinforcing rib is in a C shape with an opening facing the center of the panel. The C-shaped first reinforcing rib is used for replacing an upper groove matched reinforcing rib in the prior art, the first reinforcing rib is not communicated with the upper groove, the connecting position of the first reinforcing rib and the upper groove does not exist, the strength of the integral first reinforcing rib is higher, the integral first reinforcing rib is not prone to breakage, and the anti-bending capacity of the panel is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the tray field, especially a kind of mould pressing tray that can avoid stress concentration. BACKGROUND

[0002] After placing goods on the tray, the fork contacts the middle part of the panel, that is, the left and right sides of the panel will extend outside the fork. The panel part extending outside the fork is prone to breakage under pressure. To strengthen the strength, the existing panel will be provided with a reinforcing rib at the corner.

[0003] Because the corner of the existing tray molded from plant fibers is provided with a foot pier, and the foot pier forms an upper groove opening upward, due to limited space, the reinforcing rib cannot avoid the upper groove, so the reinforcing rib will be connected with the upper groove, that is, the two reinforcing ribs are basically perpendicular and the intersection point is in the upper groove of the foot pier.

[0004] In actual use, because the diameter of the upper groove is much larger than the width of the reinforcing rib, the connection between the upper groove and the reinforcing rib often breaks under pressure, thereby causing the tray to be damaged and scrapped. INVENTION CONTENTS

[0005] The utility model aims at solving the above problems, provides a kind of mould pressing tray that can avoid stress concentration, solves the problem of easy breakage of existing tray.

[0006] A kind of mould pressing tray that can avoid stress concentration, comprising: panel and foot pier, the panel below is integrally formed with multiple foot piers, the panel outside is formed with four edge lines, adjacent edge line is perpendicular and forms corner between them, every corner of the panel is formed with a foot pier, the panel is formed with first reinforcing rib on the side of the foot pier located in corner close to panel center, the first reinforcing rib is C-shaped with opening towards panel center.

[0007] Further, the first reinforcing rib includes first middle part reinforcing rib and first side reinforcing rib, the first middle part reinforcing rib is integrally formed with first side reinforcing rib at both ends and is connected, and the first side reinforcing rib is closer to the edge line of the panel than the first middle part reinforcing rib.

[0008] Further, the first middle part reinforcing rib is located between the foot pier of corner and panel center, and the two first side reinforcing ribs are parallel to the two edge lines corresponding to the corresponding corner of the first middle part reinforcing rib.

[0009] Further, the foot pier is formed with side plane close to the edge line of the panel, and the side plane is parallel to the edge line of the adjacent panel.

[0010] Further, the first angle a between the side plane and the horizontal plane is 80-90 degrees; the side surface of the foot block is formed with a plurality of side planes which are uniformly arranged in a circle; a bottom surface is formed below the foot block, and the bottom surface is a plane parallel to the top surface of the panel.

[0011] Further, the bottom surface of the foot block is formed with a first upwardly recessed groove.

[0012] Further, a first downwardly protruding protrusion is formed in the middle of the first groove, and the lower end of the first protrusion is in the same plane as the bottom surface.

[0013] Further, the panel is characterized in that: a foot block is formed at the middle of each of the four edges of the panel, and a foot block is formed at the center of the panel; an L-shaped groove is formed above the foot block at the middle and / or corner of the edge of the panel, and the opening of the L-shaped groove faces the center of the panel.

[0014] Further, a second reinforcing rib is formed between the center and the edge of the panel, and the second reinforcing rib is in the shape of a C with the opening facing the corresponding edge of the panel.

[0015] Further, the second reinforcing rib comprises a second middle reinforcing rib and a second side reinforcing rib, the two ends of the second middle reinforcing rib are integrally formed with and communicated with the second side reinforcing rib; two intersecting straight grooves are formed above the panel at the diagonal lines, the two second middle reinforcing ribs of the second reinforcing rib are parallel to the corresponding straight grooves, the second middle reinforcing rib of the second reinforcing rib is parallel to the corresponding edge of the panel, and the first middle reinforcing rib is perpendicular to the adjacent straight groove.

[0016] The utility model has the following advantages:

[0017] 1. The first reinforcing rib in the shape of a C is used to replace the reinforcing rib matched with the upwardly recessed groove in the prior art, the first reinforcing rib is not communicated with the upwardly recessed groove, and the connection between the first reinforcing rib and the upwardly recessed groove is removed, so that the integral first reinforcing rib has higher strength and is less likely to be broken, and the bending resistance of the panel is improved;

[0018] 2. The side plane in the shape of a plane is used to replace the side surface in the shape of a curved surface, and the angle between the side plane and the horizontal plane is increased, so that the foot block is closer to the edge of the panel, the first reinforcing rib is closer to the edge, and the strength of the tray is further improved;

[0019] 3. The straight groove, the first reinforcing rib and the second reinforcing rib are matched, and the overall strength of the panel is further improved;

[0020] 4. The L-shaped groove improves the strength of the foot block, and the side surface of the foot block has higher impact resistance to the fork;

[0021] 5. The L-shaped slot is shaped to be closer to the edge line of the corner, and the first reinforcing rib is closer to the edge line of the corner. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only an embodiment of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative labor.

[0023] Figure 1 : the top view of the present application;

[0024] Figure 2 : the sectional view at A-A in Figure 2

[0025] Figure 3 : the enlarged view of part B in Figure 3

[0026] Figure 4 : the perspective view of the present application;

[0027] Figure 5 : the perspective view of the present application. DETAILED DESCRIPTION

[0028] The present application will be further described below in conjunction with the drawings and examples:

[0029] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] ​​In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0032] As shown in Figures 1 to 5 A mold pressing tray capable of avoiding stress concentration, comprising: a panel 1 and a foot 2, the panel 1 is integrally formed with a plurality of foot 2 below, the outer side of the panel 1 is formed with four edge lines, adjacent edge lines are perpendicular and form an angle between them, each angle of the panel 1 is formed with a foot 2, the panel 1 is formed with a first reinforcing rib 13 on the side of the foot 2 located in the corner close to the center of the panel 1, the first reinforcing rib 13 is C-shaped with the opening facing the center of the panel 1. The entire reinforcing rib of the first reinforcing rib 13 is located in the corner and does not communicate with the upper groove 20 of the foot 2, which improves the strength of the first reinforcing rib 13, so that the first reinforcing rib 13 is less likely to break, and the overall strength of the panel 1 is strengthened.

[0033] Further, the first reinforcing rib 13 comprises a first middle reinforcing rib 131 and a first side reinforcing rib 132, the two ends of the first middle reinforcing rib 131 are integrally formed with and communicated with the first side reinforcing rib 132 respectively, and the first side reinforcing rib 132 is closer to the edge line of the panel 1 than the first middle reinforcing rib 131.

[0034] Further, the first middle reinforcing rib 131 is located between the foot 2 in the corner and the center of the panel 1, and the two first side reinforcing ribs 132 are respectively parallel to the two edge lines corresponding to the corresponding corners of the first middle reinforcing rib 131. The parallel can be complete parallel and approximate parallel, that is, the first side reinforcing rib 132 can have a smaller included angle with the corresponding edge line, and at the same time, the first side reinforcing rib 132 can also be a combination of multiple straight lines or an arc. The two vertical first side reinforcing ribs 132 strengthen the strength of the corner.

[0035] Further, the foot 2 is formed with a side plane 21 close to the edge line of the panel 1, and the side plane 21 is parallel to the edge line of the panel 1 adjacent thereto. The side plane 21 makes the foot 2 closer to the edge line of the corner, and further makes the first reinforcing rib 13 closer to the edge line of the corner, further strengthening the strength of the corner.

[0036] Further, the first included angle a between the side plane 21 and the horizontal plane is 80° to 90°, and the more vertical side plane 21 is conducive to increasing the area surrounded by the edge line of the bottom surface 22 of the foot block 2 under the condition that the area of the upper part of the foot block 2 is constant, thereby reducing the pressure on the bottom surface 22 and improving the stability during placement.

[0037] Further, the side surface of the foot block 2 is formed with a plurality of side planes 21, which are uniformly arranged in a circle, and the bottom surface 22 is formed below the foot block 2, which is a plane parallel to the top surface of the panel 1.

[0038] Further, the bottom surface 22 of the foot block 2 is formed with a first recess 23 recessed upward. The first recess 23 can reduce the amount of material used and make the inside of the foot block below be subjected to outward pressure during processing, so that the foot block is extruded more densely, thereby improving the strength of the foot block.

[0039] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0040] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0041] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0042] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0043] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0044] Further, the middle part of the first recess 23 is formed with a first protrusion 25 protruding downward, and the lower end of the first protrusion 25 is located in the same plane as the bottom surface 22. At this time, the annular closed first recess 23 is equivalent to a reinforcing rib, further strengthening the structural strength of the foot block 2.

[0045] Further, two straight grooves 11 are formed on the panel 1 at the diagonal, two second middle reinforcing ribs 151 of the second reinforcing rib 15 are parallel to the corresponding straight groove 11 respectively, the second middle reinforcing rib 151 of the second reinforcing rib 15 is parallel to the corresponding side line of the panel 1, and the first middle reinforcing rib 131 is perpendicular to the adjacent straight groove 11. The straight groove 11, the first reinforcing rib 13 and the second reinforcing rib 15 are matched, and the overall strength of the panel 1 is further enhanced.

[0046] Further, the upper recess 20 is formed on the foot block 2, and the wall thickness of the foot block 2 gradually increases from top to bottom. The lower thickness is beneficial to improve the overall strength of the foot block 2, and meanwhile, the lower part of the foot block 2 is often collided with the forks of the forklift, so that the thicker lower part of the foot block 2 is beneficial to avoid structural damage after the collision. The upper recess 20 is beneficial to reduce the amount of material in the processing under the premise of ensuring that the strength of the foot block 2 is sufficient.

[0047] Further, the upper recess 20 is a cone or a platform, and the generatrix (when the upper recess 20 is a cone or a circular platform) or the side edge (when the upper recess 20 is a pyramid or a prism) of the upper recess 20 is a second included angle b with the horizontal plane, which is smaller than a first included angle a.

[0048] Further, the panel 1 is further provided with a guide groove 14, and the guide groove 14 is provided with a guide inclined surface 141 on one side close to the side line of the panel 1, and the guide inclined surface 141 guides the forks.

[0049] Further, the panel 1 and the foot block 2 are integrally formed by plant fiber molding.

[0050] In use, the goods are placed on the panel 1, the forks of the forklift are inserted between the foot blocks 2 and then contacted with the lower part of the panel, so as to lift and move the pallet and the goods.

[0051] The utility model is described above by way of example, but the utility model is not limited to the above specific embodiments, and any modification or change based on the utility model belongs to the range required to be protected by the utility model.

Claims

1. A molded tray which avoids stress concentration, characterized by, The utility model relates to a panel (1) and foot (2), the panel (1) is integrally formed with multiple foot (2) below, the panel (1) outside forms four sidelines, adjacent sidelines are perpendicular and form a corner between, every corner of the panel (1) forms a foot (2), the panel (1) forms first reinforcing rib (13) on the side of the center of panel (1) near the foot (2) at the corner, and the first reinforcing rib (13) is C-shaped and opens to the center of panel (1). The first reinforcing rib (13) includes first middle reinforcing rib (131) and first side reinforcing rib (132), the first middle reinforcing rib (131) is integrally formed with the first side reinforcing rib (132) at both ends and is communicated, and the first side reinforcing rib (132) is closer to the sideline of the panel (1) than the first middle reinforcing rib (131).

2. The stress concentration avoidable molded tray according to claim 1, wherein: The first middle reinforcing rib (131) is located between the foot (2) at the corner and the center of the panel (1), and the two first side reinforcing ribs (132) are respectively parallel to the two sidelines corresponding to the corresponding corners of the first middle reinforcing rib (131).

3. A stress concentration avoidable molded tray according to claim 2, wherein: The foot (2) forms a side plane (21) near the sideline of the panel (1), and the side plane (21) is parallel to the sideline of the adjacent panel (1).

4. A stress concentration avoidable molded tray according to any one of claims 1 to 3, characterized in that: The first included angle (a) between the side plane (21) and the horizontal plane is 80-90 degrees; the side plane (21) is uniformly arranged in a circle, and the bottom surface (22) is formed below the foot (2) and is a plane parallel to the top surface of the panel (1).

5. A stress concentration avoidable molded tray according to claim 4, wherein: The bottom surface (22) of the foot (2) forms a first recess (23) concave upward.

6. A stress concentration avoidable molded tray according to claim 5, wherein: The first recess (23) forms a first protrusion (25) protruding downward in the middle, and the lower end of the first protrusion (25) is located on the same plane as the bottom surface (22).

7. A stress concentration avoidable molded tray according to claim 6, wherein: Four sidelines of the panel (1) form a foot (2) in the middle, and the center of the panel (1) forms a foot (2); the foot (2) above the middle and / or corner of the sideline of the panel (1) forms an L-shaped groove (12), and the opening of the L-shaped groove (12) faces the center of the panel (1); the foot (2) forms an upper groove (20) above, and the L-shaped groove (12) is located above the upper groove (20) and is communicated with the upper groove (20).

8. A stress concentration avoidable molded tray according to any one of claims 1 to 3, characterized in that: The center of the panel (1) and the sideline form a second reinforcing rib (15), and the second reinforcing rib (15) is C-shaped and opens to the corresponding sideline of the panel (1).

9. A stress concentration avoiding molded tray according to any one of claims 1 to 3, wherein: ​ 10. A stress concentration avoidable molded tray according to claim 9, wherein: The second reinforcing rib (15) comprises a second middle reinforcing rib (151) and a second side reinforcing rib (152), two ends of the second middle reinforcing rib (151) are integrally formed and communicated with the second side reinforcing rib (152) respectively; two intersecting straight grooves (11) are formed on the panel (1) at diagonal lines, two second middle reinforcing ribs (151) of the second reinforcing rib (15) are parallel with corresponding straight grooves (11) respectively, the second middle reinforcing rib (151) of the second reinforcing rib (15) is parallel with the edge line of the corresponding panel (1), and the first middle reinforcing rib (131) is perpendicular to the adjacent straight groove (11).

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