A combined pallet without fasteners such as bolts or screws

Abstract

The application belongs to the technical field of tray, and particularly relates to a combined tray without fasteners such as bolts or screws, which comprises a tray body, wherein the tray body comprises an upper plate surface, a support leg in the shape of a concentric rectangular frame and a lower plate surface designed in sequence from top to bottom, upper and lower inner frame plates for improving the use intensity are arranged on both sides of the support leg, horizontal and vertical support plates for connection and reinforcement are arranged above and below the plurality of support legs, a plug-in mechanism with the functions of convenient assembly and anti-collision buffering is arranged at the connection between the horizontal and vertical support plates and the support leg, the plug-in mechanism comprises an abutting assembly, a handle with a contraction function is arranged at the lower end of one side of the abutting assembly, the plug-in mechanism further comprises a clamping block for limiting and contracting the handle, and an air bag assembly with a transformation function is arranged in the clamping block. The application has the advantages of reasonable design, convenient assembly, good anti-collision buffering performance and high practicability.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of tray application equipment, and particularly relates to a combined tray connected without fasteners such as bolts or screws. BACKGROUND

[0002] A tray is a medium for converting static goods into dynamic goods, a cargo carrying platform, and a movable platform, or a movable ground. Even if the goods lose flexibility when placed on the ground, they immediately gain mobility and become flexible mobile goods as soon as they are loaded on the tray, because the goods loaded on the tray are in a state of readiness to enter motion at any time. This dynamic loading and unloading method using a tray as a basic tool is called tray operation.

[0003] At present, there are various types of trays, which are classified into flat trays, columnar trays, box-type trays, and wheel-type trays according to styles, and are classified into wooden, metallic, plastic, and plastic-wooden types according to textures. Under the restriction of styles and textures, the tray structure can be one-piece or combined, so that it can be selected and used according to different use requirements in actual operation. The combined type has the advantage of relative flexibility over the one-piece type, and damaged parts can be freely replaced to save costs and have a high cost performance.

[0004] In the prior art, for some combined trays on the market, in order to ensure the use strength, a steel pipe is usually installed inside, which improves the carrying capacity, but has the disadvantage of a large overall weight of the tray, and greatly increases the use burden for some enterprises with light weight use requirements, such as the food industry. In addition, for the existing combined tray, the assembly process needs to be assisted by multiple workers, otherwise the cooperation between components is prone to deviation, that is, the connection stability cannot be well guaranteed, and the anti-collision buffer performance of the assembled tray components is poor, which undoubtedly increases the possibility of damage, and cannot effectively meet people's use requirements. Therefore, we provide a combined tray connected without fasteners such as bolts or screws. SUMMARY

[0005] The present application proposes a combined tray connected without fasteners such as bolts or screws, which has reasonable design, simple structure, convenient processing, and can reduce the weight of the tray under the premise of ensuring the carrying capacity of the tray, reduce the use burden, guarantee the use strength, effectively improve the convenience of the workpiece assembly process, guarantee the stability of the cooperation between components, reduce the possibility of deviation, and effectively increase the anti-collision buffer performance, fully meeting the use requirements.

[0006] In order to achieve the above object, the technical scheme adopted by the present application is a combined tray connected without fasteners such as bolts or screws, comprising a tray body, wherein the tray body comprises an upper plate surface, a leg in the shape of a concentric rectangular frame and a lower plate surface designed in sequence from top to bottom, upper and lower inner frame plates for improving use strength are arranged on both sides of the leg, a horizontal support plate and a vertical support plate for connection and reinforcement are arranged above and below the plurality of legs respectively, a plug-in mechanism for convenient assembly and with anti-collision buffering performance is arranged at the connection of the horizontal support plate and the vertical support plate with the leg, the plug-in mechanism comprises an abutting assembly, a handle with a contraction function is arranged at the lower end of one side of the abutting assembly, a top block is arranged in the handle, the plug-in mechanism further comprises a clamping block for limiting and contracting the handle, an air bag assembly with a conversion function is arranged in the clamping block.

[0007] As a preferred, the air bag assembly comprises a connecting frame, the connecting frame comprises a hollow placement cylinder, a key-shaped plate and a limiting frame, the upper end of the placement cylinder is designed in the shape of a cone, and an air bag is arranged in the inside thereof, an air bag is arranged in the limiting frame, and a placement hole is formed in the key-shaped plate.

[0008] As a preferred, the abutting assembly comprises a mounting plate, a pressing block matched with the clamping block is arranged on one side of the mounting plate, the handle comprises two oppositely arranged clamping jaws, a semicircular groove matched with the outer periphery of the placement cylinder for facilitating the arrangement of the top block is formed in one side of the clamping jaw, a slot hole for facilitating the placement of the air bag after being expanded is formed in the other side of the clamping jaw, a hole-shaped hole is formed in the clamping block, and the opening thereof decreases in sequence from top to bottom.

[0009] As a preferred, the upper plate surface and the lower plate surface are designed in the shape of a sandwich plate, and comprise two oppositely arranged skin plates, a corrugated plate is arranged between the two skin plates.

[0010] As a preferred, the upper inner frame plate comprises an inner frame body, a reinforcing frame plate is arranged in the inner frame body, a reinforcing rib group is arranged at the lower end of the reinforcing frame plate, a plurality of wedge-shaped clamping blocks are arranged at the outer periphery corner of the reinforcing frame plate, and a plurality of clamping grooves matched with the clamping blocks are formed at the inner periphery side wall corner of the inner frame body.

[0011] As a preferred, a plurality of reinforcing plates are uniformly arranged in the leg, and a buffer hole is formed in the reinforcing plate located at the geometric center of the leg.

[0012] As a preferred, a structural adhesive layer is arranged at the connection between the horizontal support plate and the vertical support plate and the upper plate surface and the lower plate surface respectively, and a structural adhesive layer is also arranged at the connection between the horizontal support plate and the vertical support plate and the upper inner frame plate and the lower inner frame plate respectively.

[0013] Compared with the prior art, the application has the advantages and positive effects that

[0014] 1、The combined tray without fasteners such as bolts or screws is connected, the plug-in mechanism and the air bag assembly are arranged, the limiting of the movement of the holding piece is realized by using the abutting assembly, the deviation of the holding piece is prevented, the holding piece can be gripped with the placing cylinder by the cooperation between the clamping block and the holding piece, the connection stability between them is improved, the use is reliable, the shrinkage during the downward movement of the holding piece is utilized, the air bag assembly is fully abutted under the action of the top block, the transformation between the gas reserves is realized, the structural parts have good anti-collision buffering performance, the cooperation between the parts is good, and the unity of the action is ensured; the connection between the legs is relatively accurate by arranging the cross struts and the longitudinal struts, and the use functionality is ensured; the device has the advantages of reasonable design, simple structure, convenient processing, and can reduce the weight under the premise of ensuring the load capacity of the tray, reduce the use burden, ensure the use strength, effectively improve the convenience during the workpiece assembly process, ensure the stability of the cooperation and connection between the components, reduce the possibility of deviation, and effectively increase the anti-collision buffering performance, fully meet the use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 It is a structural schematic diagram of a combined tray without fasteners such as bolts or screws.

[0017] Figure 2 It is a partial structure explosion schematic diagram of a combined tray without fasteners such as bolts or screws.

[0018] Figure 3 It is a cross-sectional front view of the cooperation and connection of the partial structure of a combined tray without fasteners such as bolts or screws.

[0019] Figure 4 It is a cross-sectional front view of the partial internal structure of the lower plate.

[0020] Figure 5 It is a partial structure explosion schematic diagram of the cooperation between the leg and the upper inner frame plate.

[0021] Figure 6 It is a partial structure explosion schematic diagram of the plug-in mechanism.

[0022] Figure 7Figure 6 is a perspective view of the insertion mechanism from another angle;

[0023] Figure 8 Figure 7 is a schematic view of the connection frame;

[0024] Figure 9 Figure 8 is a front view of the partial internal structure of the air bag assembly;

[0025] In the above figures, 1 is a tray body; 2 is an upper plate surface; 3 is a lower plate surface; 31 is a skin plate; 32 is a corrugated plate; 4 is a leg; 41 is a reinforcing plate; 42 is a buffer hole; 5 is an upper inner frame plate; 51 is an inner frame body; 511 is a clamping groove; 52 is a reinforcing frame plate; 53 is a reinforcing rib group; 54 is a clamping block; 6 is a lower inner frame plate; 7 is a cross bracing plate; 8 is a longitudinal bracing plate; 9 is an insertion mechanism; 91 is an abutting assembly; 911 is a mounting plate; 912 is a pressing block; 92 is a handle; 921 is a top block; 922 is a clamping jaw; 9221 is a semicircular groove; 9222 is a slot hole; 93 is a clamping block; 931 is a hole-shaped hole; 10 is an air bag assembly; 101 is a connection frame; 1011 is a placement cylinder; 1012 is a key-shaped plate; 1013 is a limiting frame; 102 is an air bag; 103 is an air bag; 104 is a placement hole; 11 is a structural adhesive layer. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described below in conjunction with the drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in different ways from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0028] Examples, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9As shown, a high-strength corrugated plate 32 combined pallet comprises a pallet body 1, which comprises an upper plate surface 2, a support leg 4 designed in a concentric rectangular frame and a lower plate surface 3 designed in sequence from top to bottom, and the above-mentioned structural components are similar to the conventional pallet setting in the prior art, and details are not described again; in order to fully guarantee the carrying capacity and use performance of the pallet body 1, the two sides in the support leg 4 are respectively provided with an upper inner frame plate 5 and a lower inner frame plate 6 for improving the use strength, which are clamped in the support leg 4 to ensure the integrity of the equipment components and improve the use strength, and the upper and lower parts of the plurality of support legs 4 are respectively provided with a cross brace 7 and a longitudinal brace 8 which play a connecting and reinforcing role, the design makes the connection between each support leg 4 relatively accurate, and guarantees the use functionality; further, the connection parts of the cross brace 7 and the longitudinal brace 8 with the support leg 4 are respectively provided with a plug-in mechanism 9 which has the functions of convenient assembly and collision prevention and buffering, that is, four plug-in mechanisms 9 are arranged in one support leg 4, which are respectively used to ensure the plug-in connection between the support leg 4 and the cross brace 7 and the longitudinal brace 8, reduce the possibility of deviation, and effectively improve the stability, in addition, in order to guarantee the adaptive connection between the cross brace 7 and the longitudinal brace 8 and the upper plate surface 2 and the lower plate surface 3, a clamping groove (not shown in the figure) which is adapted to the cross brace 7 and the longitudinal brace 8 is respectively formed on the corresponding upper plate surface 2 and lower plate surface 3, on the one hand, the connection of the equipment components is realized by means of a glue layer, on the other hand, when the cross brace 7 and the upper plate surface 2 and the longitudinal brace 8 and the lower plate surface 3 are connected, the upper plate surface 2 or the lower plate surface 3 can be pushed from different directions to realize clamping, further, the equipment components are connected in a sliding plug-in manner in the horizontal and vertical directions, which is not only simple to operate and easy to complete, but also relatively stable in connection, meets the use requirements, at the same time, the two sides of the support leg 4 are sealed to a certain extent to reduce the possibility of damage, considering the plug-in connection between the upper cross brace 7 and the upper plate surface 2 and the longitudinal brace 8 and the lower plate surface 3 and the establishment of the clamping groove, since the clamping groove needs to be reserved sufficiently, that is, the length of the cross brace 7 and the longitudinal brace 8 is slightly longer than the setting direction of the support leg, and the edge corners thereof are flush with the horizontal and vertical edge corners of the upper plate surface 2 or the lower plate surface 3, the pallet component design is reasonable, which guarantees the aesthetics thereof; wherein, the plug-in mechanism 9 comprises an abutting assembly 91 for providing effective limiting action for a gripping piece 92 to prevent deviation, and can be adapted to clamping with a clamping block 93 to further improve the stability of the connection between the equipment components; one side of the abutting assembly 91 is provided with a gripping piece 92 with a contraction function, which realizes clamping with the equipment components in the process of deformation to ensure the stability of the connection; the gripping piece 92 is provided with a top block 921, which on the one hand extrudes the air bag 102 in the air bag assembly 10 to complete the conversion of the gas storage, and on the other hand, after extruding and discharging the gas in the air bag 102, the two top blocks 921 are clamped in the placing cylinder 1011, that is, instead of the position of the air bag 102, realizing the locking of the equipment components, which is good in connection stability;The plug-in mechanism 9 further comprises a clamping block 93 for limiting the contraction of the handle 92, so as to provide a prerequisite for effective deformation of the handle 92. The clamping block 93 is provided with a gas bag assembly 10 with a conversion function. In this way, the gas bag 102 is converted with the gas storage in the gas bag 103, effectively improving the anti-collision buffer performance of the tray body 1, relatively reducing the possibility of damage, prolonging the service life, and meeting the use demand. In the above process: by setting the plug-in mechanism 9 and the gas bag assembly 10, the abutting assembly 91 is used to limit the movement of the handle 92 during the movement process to prevent it from deviating. The cooperation between the clamping block 93 and the handle 92 enables the handle 92 to be gripped with the placement cylinder 1011, improving the connection stability between them, and the use is reliable. The handle 92 is contracted during the downward movement process, and is fully abutted against the gas bag assembly 10 under the action of the top block 921, realizing the conversion between the gas storage, so that the structural components have good anti-collision buffer performance, and the cooperation between the components is good, ensuring the unity of the action. By setting the horizontal support plate 7 and the vertical support plate 8, the connection between the legs 4 is relatively accurate, ensuring the use functionality; The device is designed rationally, has a simple structure, is convenient to process, can reduce its own weight on the premise of ensuring the tray load, reduce the use burden, ensure the use strength, effectively improve the convenience in the workpiece assembly process, ensure the stability of the cooperation and connection between the components, reduce the possibility of deviation, and effectively increase the anti-collision buffer performance, fully meet the use demand.

[0029] In order to ensure that the air bag assembly 10 can realize effective conversion between the air bag 102 and the air bag 103 during the operation of the plug-in mechanism 9, specifically: the air bag assembly 10 comprises a connecting frame 101, and a connecting plate (not shown in the figure) for realizing stable connection with the clamping block 93 is arranged on one side of the connecting frame 101 in consideration of the stability of the connecting frame 101, so as to ensure the stability. Further, the connecting frame 101 comprises a hollow design placement cylinder 1011, a key-shaped plate 1012 and a limiting frame 1013, wherein the placement cylinder 1011 is opened in a square groove in the downward direction of the clamping jaw 922, so that the top block 921 can smoothly extrude the gas temporarily stored in the air bag 102. The upper end of the placement cylinder 1011 is designed in a conical shape, which can improve the smoothness during the operation of the equipment component. The air bag 102 is arranged in the placement cylinder 1011. The air bag 103 is arranged in the limiting frame 1013. The key-shaped plate 1012 is opened in a placement hole 104. Specifically, a connecting pipe (not shown in the figure) for realizing connection and penetration between the air bag 102 and the air bag 103 is arranged in the placement hole 104. When the air bag 102 is pressed by the top block 921, the gas storage in the air bag 102 is transported to the air bag 103 through the connecting pipe. Correspondingly, the air bag 103 is expanded and inflated, and fills the slot holes 9222 between the two clamping jaws 922, so that it has good anti-collision buffering performance, greatly improves the use functionality of the tray, and meets the use requirement. In addition, it needs to be further pointed out that: the edges and corners of each component that can contact the handle 92 in the plug-in mechanism 9 and the air bag assembly 10 are rounded, so as to ensure the smoothness during the operation and movement.

[0030] In order to ensure the effective completion of the operation of the plug-in mechanism 9, specifically, the abutting assembly 91 includes a mounting plate 911 mounted on the cross support plate 7 or the longitudinal support plate 8, which improves the stability of the establishment, and one side of the mounting plate 911 is provided with a pressing block 912 matched with the clamping block 93, which can provide a limiting effect on the handle 92 to prevent it from shifting, and can be matched with the clamping block 93 for further improving the stability of the connection between the device components; the handle 92 includes two oppositely arranged clamping jaws 922, which have a certain bending performance, and in the process of pressing the support plate, the two clamping jaws 922 can be bent to conform to the inner side of the clamping block 93, until they are moved to the lowermost end, the two clamping jaws 922 abut each other and tightly hold the placement cylinder 1011, the connection is stable and the operation is simple and convenient; in order to improve the rationality of the device design, one side of the clamping jaw 922 is provided with a semicircular groove 9221 matched with the outer circumference of the placement cylinder 1011, which provides an effective installation position for the establishment of other device components while allowing the clamping jaw 922 to have a certain deformation ability, and the other side of the clamping jaw 922 is provided with a slot hole 9222 for placing the air bag 103 after it is expanded, which makes the device components have good anti-collision and buffering performance, and relatively prolongs the service life; the clamping block 93 is provided with a hole-shaped hole 931, and the opening thereof decreases from top to bottom, specifically, the hole-shaped hole 931 is designed in an inclined manner, and for the same side inner end face, it has an inclined trend from the geometric center to the outer end, which can make the clamping jaw 922 have a contraction performance during downward movement, thereby ensuring that the clamping jaw 922 has good holding performance for the placement cylinder 1011 and ensuring the stability of the connection.

[0031] In order to improve the rationality of the device design, the upper plate surface 2 and the lower plate surface 3 are designed as sandwich plates, and include two oppositely arranged skin plates 31, and a corrugated plate 32 is arranged between the two skin plates 31. The corrugated plate 32 is firm, durable, impact-resistant and has strong anti-deformation ability, and is used in combination with the skin plate 31 to fully guarantee the use performance of the workpiece, reduce the possibility of damage to the tray plate surface, relatively prolong the service life, and save costs.

[0032] In order to guarantee the good use function of the equipment components, it needs to be further explained that the upper inner frame plate 5 and the lower inner frame plate 6 are the same structure, only the different set position, in particular, the upper inner frame plate 5 includes the inner frame body 51, which can be matched with the inner side rectangular frame of the support leg 4, so as to guarantee the use strength of the support leg 4, the inner frame body 51 is provided with the reinforcing frame plate 52, the lower end of the reinforcing frame plate 52 is provided with the reinforcing rib group 53, which guarantees the use stiffness of the component, further, the outer peripheral corner of the reinforcing frame plate 52 is provided with a plurality of wedge-shaped clamping blocks 54, the inner peripheral side wall corner of the inner frame body 51 is provided with a plurality of clamping grooves 511 matched with the clamping blocks 54, that is to say, when the equipment components are assembled, the reinforcing frame plate 52 is aligned with the inner frame body 51, and is pressed downward, the clamping blocks 54 are slowly clamped in the clamping grooves 511, the connection stability is strong, the deviation possibility is reduced, the integrity is guaranteed, and the use performance is increased.

[0033] In order to effectively guarantee the use strength of the support leg 4, a plurality of reinforcing plates 41 are uniformly arranged in the support leg 4, wherein the reinforcing plates 41 are provided with two groups, one group is located between the two concentric rectangular frames of the support leg 4, and the other group is located inside the inner side rectangular frame, and the length is shorter than that of the outer side reinforcing plate 41, so as to provide a prerequisite for placing the upper inner frame plate 5 or the lower inner frame plate 6, and guarantee the use strength; further, in order to improve the rationality of the device design, the reinforcing plate 41 located at the geometric center of the support leg 4 is provided with a buffer hole 42, which is used to improve the deformation capacity of the support leg 4 to a certain extent, so as to guarantee the stability of the support, and the practicability is strong.

[0034] In order to better realize the connection of the equipment components, the structural adhesive layer 11 is arranged between the horizontal support plate 7 and the upper plate surface 2 and between the vertical support plate 8 and the lower plate surface 3, and the structural adhesive layer 11 is also arranged between the horizontal support plate 7 and the upper inner frame plate 5 and between the vertical support plate 8 and the lower inner frame plate 6, wherein the structural adhesive used in the structural adhesive layer 11 is acrylate structural adhesive, which has the characteristics of vibration resistance, impact resistance, water resistance, aging resistance and peeling resistance, and the structural adhesive layer 11 realizes initial solidification after 5-10 minutes of smearing, and realizes full solidification after 24 hours, the construction period is short, the bonding performance is strong, and the connection stability between the structural components is fully guaranteed.

[0035] The above is only a preferred embodiment of the present application, not other forms of limitations, any skilled person in the art can use the above disclosed technical content to make changes or modifications into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A modular pallet without fasteners such as bolts or screws, comprising a pallet body, wherein the pallet body comprises an upper plate, legs and a lower plate designed in a concentric rectangular frame shape, wherein: The upper inner frame plate and the lower inner frame plate are respectively provided on both sides of the support legs for improving the strength of use, and the upper and lower parts of the multiple support legs are respectively provided with transverse bracing plates and longitudinal bracing plates, which both play a connecting and reinforcing role. The connection parts of the transverse bracing plates and longitudinal bracing plates with the support legs are respectively provided with a plug-in mechanism for convenient assembly and anti-collision buffering performance. The plug-in mechanism includes an abutment component, and a grip with a retraction function is provided at the lower end of one side of the abutment component, and a top block is provided in the grip. The plug-in mechanism also includes a snap-in block that limits the retraction of the grip, and an airbag component with a conversion function is provided in the snap-in block. The airbag component includes a connecting member. The connecting frame includes a placement tube with a hollow design, a key plate and a limit frame. The upper end of the placement tube is designed in a conical shape, and an air bag is provided inside it. The limit frame is provided with an air bag, and a placement hole is provided in the key plate. The abutment assembly includes a mounting plate, and a pressure block adapted to the locking block is provided on one side of the mounting plate. The grip includes two oppositely arranged clamping jaws, and a semicircular groove is provided on one side of the clamping jaw for facilitating the establishment of the top block and adapted to the outer periphery of the placement tube. A slot is provided on the other side of the clamping jaw for facilitating the insertion of the air bag after it is expanded. A hole-shaped hole is provided in the locking block, and its opening decreases in sequence from top to bottom.

2. A modular pallet without fasteners such as bolts or screws according to claim 1, characterized in that: The upper plate surface and the lower plate surface are both designed as sandwich plates and include skin plates arranged opposite to each other on both sides, and a corrugated plate is arranged between the two skin plates.

3. A modular pallet without fasteners such as bolts or screws according to claim 2, characterized in that: The upper inner frame plate includes an inner frame body, a reinforcing frame plate is arranged in the inner frame body, a reinforcing rib group is arranged at the lower end of the reinforcing frame plate, a plurality of wedge-shaped card blocks are arranged at the outer peripheral corners of the reinforcing frame plate, and a plurality of card slots matching with the card blocks are opened on the inner peripheral side wall corners of the supporting inner frame body.

4. A modular pallet without fasteners such as bolts or screws according to claim 3, characterized in that: A plurality of reinforcing plates are evenly arranged in the supporting legs, and a buffer hole is opened in the reinforcing plate located at the geometric center of the supporting legs.

5. The modular pallet without fasteners such as bolts or screws according to claim 1, characterized in that: Structural adhesive layers are provided at the connections between the transverse and longitudinal bracing plates and the upper and lower plate surfaces, respectively. Structural adhesive layers are also provided at the connections between the transverse and longitudinal bracing plates and the upper and lower inner frame plates, respectively.

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