CN114229176A

CN114229176A - Plane changeable tray

Info

Publication number: CN114229176A
Application number: CN202111534328.8A
Authority: CN
Inventors: 周德志; 姚福康; 朱玮
Original assignee: WUXI QIANCHENG PACKAGING ENGINEERING CO LTD
Current assignee: WUXI QIANCHENG PACKAGING ENGINEERING CO LTD
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-03-25
Anticipated expiration: 2041-12-15
Also published as: CN114229176B

Abstract

The invention discloses a plane changeable tray, which provides the following technical scheme that the tray comprises a bracket and universal wheels fixed at the bottom end of the bracket, wherein the bracket is quadrilateral and comprises extension rods sequentially connected with four sides end to end, the extension rods are telescopic, a hinge seat is arranged between every two adjacent extension rods, and the hinge seats are rotatably connected with the extension rods; the middle of the bracket is provided with a support frame which comprises a first telescopic support rod and a second telescopic support rod, the first support rod and the second support rod are movably connected in a cross mode, and the ends of the first support rod and the second support rod are fixedly connected with a hinged seat. The tray provided by the invention can flexibly change the specification of the tray according to the size of the product to be transferred, can be further deformed into various special shapes such as a parallelogram, a rhombus and the like on the basis of a square and a rectangle, further widens the shape of the product which can be matched by the tray, and enlarges the application range of the device; the bottom of tray is equipped with the universal wheel, under the condition that does not have fork truck, also can rely on the manpower to promote the goods.

Description

Plane changeable tray

Technical Field

The invention relates to the technical field of telescopic trays, in particular to a plane multi-variable tray.

Background

Pallets are horizontal platform devices for the placement of containerized, stacked, handled and transported goods and articles as unit loads. As a kind of container equipment similar to a container, the pallet is widely used in the fields of production, transportation, storage and circulation, and is considered as one of two key innovations in the logistics industry of the 20 th century. The pallet is used as important loading, unloading, storing and transporting equipment in the logistics operation process, and plays a great role in modern logistics in cooperation with a forklift. The benefits brought by the pallet to the transfer in modern logistics and industrial production are mainly reflected in that: the unitization, standardization and standardization of the object package can be realized, the objects are protected, and the logistics and the commodity flow are facilitated, so that the direct transportation and the use of the tray are one of the indispensable modes for developing the modern logistics.

The existing common trays are all of fixed size, the trays with different specifications are required to be prepared when different products to be transferred are faced, the trays cannot adapt to stacking objects with different sizes, space is wasted when the sizes of the trays are too large, the transferring requirements are difficult to meet when the sizes of the trays are too small, and the trays are transported by a forklift; the patent with publication number CN202400363U provides a telescopic tray, which comprises a large tray and a small tray, wherein the large tray and the small tray are both composed of a plurality of flat plates and supporting plates, the flat plates are arranged in parallel, equidistant gaps are left between the adjacent flat plates, and the bottoms of the two ends of the flat plates are fixed through the supporting plates; each flat plate of the small tray is positioned in the gap between the adjacent flat plates of the large tray; the telescopic tray disclosed by the invention has the advantages that through the insertion design, the two trays are combined together and can be telescopic within a certain size range, so that the utilization rate of the trays is increased; however, the width of the tray can only be adjusted to a certain extent, products in different shapes are difficult to consider, and the application range of the tray is still greatly limited. Therefore, there is a need for a new pallet that can accommodate multiple shapes and sizes of products without relying on forklift transfer.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a plane multi-variable tray which has the advantages.

In order to achieve the purpose, the invention provides the following technical scheme:

a plane changeable tray comprises a bracket and universal wheels fixed at the bottom end of the bracket, wherein the bracket is quadrilateral and comprises extension rods sequentially connected end to end, the extension rods are telescopic, hinge seats are arranged between adjacent extension rods, and the hinge seats are rotatably connected with the extension rods; the middle of the bracket is provided with a support frame which comprises a first telescopic support rod and a second telescopic support rod, the first support rod and the second support rod are movably connected in a cross mode, and the ends of the first support rod and the second support rod are fixedly connected with the hinged seat.

Through the technical scheme, the tray provided by the invention can flexibly change the specification according to the size of the product to be transferred. The four sides of the tray are provided with telescopic extension rods which can be adjusted into squares or rectangles with different sizes according to the shape and size of the product; meanwhile, the end heads of the extension rods are rotatably connected with the hinge seats, and are matched with the support frames which are arranged on the diagonal lines of the brackets, can be stretched and have variable crossing angles, and can be further deformed into various special shapes such as a parallelogram, a rhombus and the like on the basis of a square and a rectangle, so that the shapes of products which can be matched with the extension rods are further expanded, and the application range of the device is enlarged; the bottom of tray is equipped with the universal wheel, under the condition that does not have fork truck, can rely on the manpower to promote the goods.

The extension rod comprises an extension pipe and an extension sleeve, the extension sleeve is hollow, one end of the extension sleeve is rotatably connected with the hinge seat, the other end of the extension sleeve is sleeved outside one end of the extension pipe in a sliding mode, one end, far away from the extension sleeve, of the extension pipe is rotatably connected with the hinge seat, one end of the hinge seat is hinged with the extension pipe, and the other end of the hinge seat is hinged with the extension sleeve.

The telescopic function of the extension rod is realized by arranging the extension rod into the extension pipe and the extension sleeve which are sleeved.

The invention is further provided that a limiting block is fixed on the upper surface of the extension sleeve, and the limiting block is perpendicular to the extension sleeve and is arranged along the outer edge of the extension sleeve.

The invention is further designed in such a way that sliding grooves are formed in the side walls of the two sides of the extension sleeve, moving blocks are connected to the sliding grooves in a sliding mode, vertical plates extend upwards from the two sides of the moving blocks, the upper ends of the vertical plates are bent inwards to form folding blocks, the moving blocks are embedded into the sliding grooves through the folding blocks on the vertical plates on the two sides, and the bottom ends of the moving blocks are connected with universal wheels.

In order to achieve the best transfer effect, the universal wheel at the bottom end of the moving block is arranged on the extension sleeve in a sliding mode, the position of the universal wheel can be automatically adjusted according to the actual extension or contraction condition, and the pulley is guaranteed to be located in the middle all the time when the size of the tray is changed.

The invention is further characterized in that a through screw hole is formed in the vertical plate on one side, and a butterfly screw rod is connected with the screw hole in an internal thread mode.

The butterfly screw rod is fixed after being used for adjusting the position of universal wheel, avoids the universal wheel to take place to remove in the use, influences the use.

The invention further provides that a rotating seat is arranged at the cross connection position of the first supporting rod and the second supporting rod; the first support rod and the second support rod are both formed by two telescopic rods, and the telescopic rods are arranged on two sides of the rotating seat; the telescopic rod comprises an inner tube and a hollow tube sleeve, the tube sleeve is sleeved outside the inner tube in a sliding mode, the inner tube is fixedly connected with the hinged seat, and the tube sleeve is connected with the rotating seat.

Through the arrangement, the supporting frame can stretch out and draw back and change the cross included angle of the first supporting rod and the second supporting rod, so that the angles of four corners of the tray are further changed, and the transformation of different shapes and sizes is realized.

The invention is further designed in that the rotating seat comprises end covers at the upper end and the lower end, a rotating shaft is movably connected between the end covers at the two ends, the pipe sleeves at the two ends in the first supporting rod are fixedly connected through a rotating rod, the middle part of the rotating rod is rotatably sleeved on the rotating shaft, and the outer wall of the joint of the rotating rod and the rotating shaft is a cambered surface; the pipe box in the second branch with the junction that rotates the seat is equipped with rotatory piece, rotatory piece one end with the pipe box is fixed, the other end with the middle part of bull stick is the outer wall laminating of cambered surface, rotatory piece one side outwards extends by the limiting plate, the limiting plate perpendicular to rotatory piece.

In order to realize the angle change of the first support rod and the second support rod, the rotating rod is arranged in the first support rod, the rotating rod is movably sleeved on the rotating shaft, the second support rod is further divided into two non-contact telescopic rods, and the end head of the rotating rod is provided with a rotating block attached to the outer wall of the cambered surface of the rotating rod, so that the first support rod and the second support rod can realize the angle change in the upper end cover and the lower end cover of the rotating seat.

The invention is further provided that a universal wheel is fixed at the bottom end of the rotating seat.

The invention is further provided that a universal wheel is fixed at the bottom end of the hinge base.

In conclusion, the invention has the following beneficial effects:

1. the invention provides a plane changeable tray, which can flexibly change the specification of the tray according to the size of a product to be transferred, and the four sides of the tray are provided with telescopic extension rods which can be adjusted into squares or rectangles with different sizes according to the shape and size of the product; meanwhile, the end heads of the extension rods are rotatably connected with the hinge seats, and are matched with the support frames which are arranged on the diagonal lines of the brackets, can be stretched and have variable cross angles, and can be further deformed into various quadrilateral structures on the basis of squares and rectangles, so that the shapes of products which can be matched with the extension rods are further expanded, and the application range of the device is enlarged;

2. the bottom end of the tray is provided with the universal wheels, so that the dependence of equipment on a forklift can be reduced, and goods can be pushed by manpower under the condition of no forklift; a magnetic induction positioning device can be added at the bottom end of the tray and matched with an AGV carrying vehicle for use, so that the material can be transferred in space; the tray size adjusting device is wide in application range and simple and convenient to operate, can adjust the most suitable tray size for products with different sizes, avoids the situations that the tray is too large and wastes space and too small and is difficult to transfer, and can be popularized in a large range.

Drawings

FIG. 1 is a perspective view of a multi-variable pallet according to an embodiment;

FIG. 2 is a perspective view of an expanded state of a flat multi-variable pallet according to an embodiment;

FIG. 3 is a structural view of portion A of FIG. 2;

FIG. 4 is a structural view of part B of FIG. 2;

fig. 5 is a perspective view of a moving block according to the embodiment;

FIG. 6 is a view showing a structure of a connection relationship of the rotary holder according to the embodiment;

fig. 7 is a schematic diagram illustrating an irregular four-sided state of a planar multi-variable tray according to an embodiment.

In the figure: 1. a universal wheel; 2. an extension rod; 21. an extension pipe; 22. an extension sleeve; 23. a limiting block; 24. a chute; 25. a moving block; 26. an upright plate; 27. a folding block; 3. a hinged seat; 4. a support frame; 41. a first support bar; 42. a second support bar; 43. an inner tube; 44. pipe sleeve; 45. an end cap; 46. a rotating shaft; 47. a rotating rod; 48. rotating the block; 49. a limiting plate; 5. a rotating seat; 6. butterfly screw.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Examples

As shown in fig. 1 and 2, the embodiment provides a plane changeable tray, which is entirely quadrilateral, and includes a bracket and a universal wheel 1 fixed at the bottom end of the bracket, extension rods 2 are arranged on four sides of the bracket, and the four extension rods 2 are sequentially connected end to form a specific shape of the present invention, each extension rod 2 includes an extension tube 21 and an extension sleeve 22, the extension sleeve 22 is slidably sleeved outside the extension tube 21 to realize the extension function of the extension rod 2, a hinge seat 3 is arranged between adjacent extension rods 2, the hinge seat 3 is rotatably connected with the extension rod 2, specifically, the extension sleeve 22 is hollow, one end of the extension sleeve 22 is rotatably connected with the hinge seat 3, the other end of the extension sleeve 21 is slidably sleeved outside one end of the extension tube 21, one end of the extension sleeve 21, which is far away from the extension sleeve 22, is rotatably connected with the hinge seat 3, one end of the hinge seat 3 is hinged with the extension tube 21, and the other end of the extension sleeve 22 is hinged;

as shown in fig. 3 and 5, in order to achieve the best transfer effect, the universal wheel 1 at the bottom end of the moving block 25 is slidably arranged on the extension sleeve 22, so that the position of the universal wheel 1 can be automatically adjusted according to the actual extension or contraction condition, and the pulley is always located at the middle position when the size of the pallet is changed; specifically, sliding grooves 24 are formed in the side walls of two sides of the extension sleeve 22, a moving block 25 is connected to the sliding grooves 24 in a sliding mode, vertical plates 26 extend upwards from two sides of the moving block 25, a folding block 27 is bent inwards from the upper end of each vertical plate 26, the moving block 25 is embedded into the sliding grooves 24 through the folding blocks 27 on the vertical plates 26 at the two sides, and the bottom end of the moving block 25 is connected with the universal wheel 1. In order to avoid the universal wheel 1 from moving in the using process and influence the use, the vertical plate 26 is provided with a through screw hole, the inner thread of the screw hole is connected with the butterfly screw 6, and the butterfly screw 6 is screwed and fixed after the position of the universal wheel 1 is adjusted.

As shown in fig. 4, a support frame 4 is arranged in the middle of the bracket, the support frame 4 comprises a first telescopic support rod 41 and a second telescopic support rod 42, the first support rod 41 and the second support rod 42 are movably connected in a cross manner, and the ends of the first support rod 41 and the second support rod 42 are fixedly connected with the hinge base 3; in the invention, a rotating seat 5 is arranged at the cross connection position of a first supporting rod 41 and a second supporting rod 42; the first support rod 41 and the second support rod 42 are both formed by two telescopic rods, and the telescopic rods are arranged on two sides of the rotating seat 5; the telescopic rod comprises an inner tube 43 and a hollow tube sleeve 44, the tube sleeve 44 is sleeved outside the inner tube 43 in a sliding mode, the inner tube 43 is fixedly connected with the hinged seat 3, and the tube sleeve 44 is connected with the rotating seat 5.

As shown in fig. 6, in order to realize the angle change of the first supporting rod 41 and the second supporting rod 42, a rotating rod 47 is arranged in the first supporting rod 41, the rotating rod 47 is movably sleeved on a rotating shaft 46, the second supporting rod 42 is further divided into two non-contact telescopic rods, and a rotating block 48 attached to the outer wall of the arc surface of the rotating rod 47 is arranged at the end head, so that the first supporting rod 41 and the second supporting rod 42 can realize the angle change in the upper end cover 45 and the lower end cover 45 of the rotating seat 5, specifically, the rotating seat 5 comprises the upper end cover 45 and the lower end cover 45, the rotating shaft 46 is movably connected between the end covers 45 at the two ends, the pipe sleeves 44 at the two ends in the first supporting rod 41 are fixedly connected through the rotating rod 47 and are positioned on the same straight line, in order to realize the angle adjustment, the middle part of the rotating rod 47 is rotatably sleeved on the rotating shaft 46, and the outer wall of the connecting part of the rotating rod 47 and the rotating shaft 46 is in the arc surface; the connection position of the pipe sleeve 44 in the second supporting rod 42 and the rotating seat 5 is provided with a rotating block 48, the rotating block 48 is inserted between the upper end cover 45 and the lower end cover 45, one end of the rotating block 48 is fixed with the pipe sleeve 44, the other end of the rotating block is attached to the outer wall of the middle part of the rotating rod 47, the second supporting rod 42 can rotate on the rotating seat 5, one side of the rotating block 48 outwards extends to form a limiting plate 49, the limiting plate 49 is perpendicular to the rotating block 48, two pipe sleeves 44 are arranged in the second supporting rod 42, the extending directions of the limiting plates 49 on the two pipe sleeves 44 are opposite to the overall axial direction of the second supporting rod 42, and the rotating direction of the second supporting rod 42 is convenient to fix.

Through the arrangement, the supporting frame 4 can stretch and retract, the crossed included angle between the first supporting rod 41 and the second supporting rod 42 is changed, the angles of four corners of the tray are further changed, and the transformation of different shapes and sizes is realized; meanwhile, the bottom end of the pipe sleeve 44 can be provided with a positioning device matched with an AGV carrying vehicle, such as electromagnetic induction guide or laser guide, so that the flexibility and the maneuverability of the AGV carrying vehicle in space transfer are improved.

The tray provided by the invention can flexibly change the specification of the tray according to the size of the product to be transferred. The four sides of the tray are provided with telescopic extension rods 2 which can be adjusted into squares or rectangles with different sizes according to the shape and size of the product; meanwhile, the end heads of the extension rods 2 are rotatably connected with the hinge seats 3 and are matched with the support frames 4 which are arranged on the diagonal lines of the brackets, can be stretched and have variable crossing angles, and can be further deformed into various special shapes such as parallelograms and rhombuses on the basis of squares and rectangles, so that the shapes of products which can be matched with the extension rods are further widened, and the application range of the device is enlarged; the bottom of tray is equipped with universal wheel 1, under the condition that does not have fork truck, can rely on the manpower to promote the goods.

As shown in fig. 2, a limiting block 23 is fixed on the upper surface of the extension sleeve 22, the limiting block 23 is perpendicular to the extension sleeve 22 and is arranged along the outer edge of the extension sleeve 22, and a whole bottom plate can be added between the limiting blocks 23 as required, so that the flatness of a product placement plane is ensured, the protection of loading goods above the tray is remarkably improved, and the limiting effect on the bottom plate is also achieved.

Wherein, 5 bottoms of rotating seat and 3 bottoms of articulated seat are all fixed with universal wheel 1.

The specific operation process of the plane multi-change tray described in this embodiment is as follows: adjusting the size of the tray according to the specific shape and size of the product to be transferred; the length of the four-side extension rod 2 and the length of the four extension rods on the diagonal line are manually changed to adapt to the size and shape of the product, fig. 2 is a three-dimensional structure diagram of the expansion state of the invention, and as shown in fig. 7, the invention can also be adjusted to an irregular quadrilateral structure.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a changeable formula tray in plane, includes the bracket and fixes universal wheel (1) in the bracket bottom, its characterized in that: the bracket is quadrilateral and comprises extension rods (2) which are sequentially connected end to end, the extension rods (2) are telescopic, a hinge seat (3) is arranged between every two adjacent extension rods (2), and the hinge seat (3) is rotatably connected with the extension rods (2); be equipped with support frame (4) in the middle of the bracket, support frame (4) include telescopic first branch (41) and second branch (42), first branch (41) and second branch (42) activity cross connection, the end of first branch (41) and second branch (42) with articulated seat (3) fixed connection.

2. A flat multi-changeable tray as set forth in claim 1, wherein: extension rod (2) are including extension pipe (21) and extension sleeve pipe (22), extension sleeve pipe (22) inside cavity and one end with articulated seat (3) rotate to be connected, and the other end slides and cup joints extension pipe (21) one end outside, extension pipe (21) are kept away from the one end of extension sleeve pipe (22) with articulated seat (3) rotate to be connected, articulated seat (3) one end with extension pipe (21) are articulated, the other end with extension sleeve pipe (22) are articulated.

3. A flat multi-changeable tray as set forth in claim 2, wherein: a limiting block (23) is fixed on the upper surface of the extension sleeve (22), and the limiting block (23) is perpendicular to the extension sleeve (22) and is arranged along the outer side edge of the extension sleeve (22).

4. A flat multi-changeable tray as set forth in claim 2, wherein: the extension sleeve (22) is provided with sliding grooves (24) in the side walls of the two sides, a moving block (25) is connected to the sliding grooves (24) in a sliding mode, the two sides of the moving block (25) extend upwards to form vertical plates (26), the upper end of each vertical plate (26) is bent inwards to form a folding block (27), the moving block (25) is embedded into the sliding grooves (24) through the folding blocks (27) in the vertical plates (26) of the two sides, and the bottom end of the moving block (25) is connected with a universal wheel (1).

5. The planar changeable tray according to claim 4, wherein: and a through screw hole is formed in the vertical plate (26) on one side, and a butterfly screw (6) is connected with the screw hole in an internal thread manner.

6. A flat multi-changeable tray as set forth in claim 1, wherein: a rotating seat (5) is arranged at the cross connection position of the first supporting rod (41) and the second supporting rod (42); the first supporting rod (41) and the second supporting rod (42) are both formed by two telescopic rods, and the telescopic rods are arranged on two sides of the rotating seat (5); the telescopic rod comprises an inner tube (43) and a hollow tube sleeve (44), the tube sleeve (44) is sleeved outside the inner tube (43) in a sliding mode, the inner tube (43) is fixedly connected with the hinged seat (3), and the tube sleeve (44) is connected with the rotating seat (5).

7. The planar changeable tray according to claim 6, wherein: the rotating seat (5) comprises end covers (45) at the upper end and the lower end, a rotating shaft (46) is movably connected between the end covers (45) at the two ends, pipe sleeves (44) at the two ends in the first supporting rod (41) are fixedly connected through a rotating rod (47), the middle part of the rotating rod (47) is rotatably sleeved on the rotating shaft (46), and the outer wall of the joint of the rotating rod (47) and the rotating shaft (46) is a cambered surface; pipe box (44) in second branch (42) with the junction of rotating seat (5) is equipped with rotatory piece (48), rotatory piece (48) one end with pipe box (44) are fixed, the other end with the middle part of bull stick (47) is the outer wall laminating of cambered surface, rotatory piece (48) one side is outwards extended by limiting plate (49), limiting plate (49) perpendicular to rotatory piece (48).

8. The planar changeable tray according to claim 6, wherein: the bottom end of the rotating seat (5) is fixed with a universal wheel (1).

9. The planar changeable tray according to claim 6, wherein: and a through screw hole is formed in the pipe sleeve (44), and a butterfly screw (6) is connected to the screw hole in an internal thread manner.

10. A flat multi-changeable tray as set forth in claim 1, wherein: the bottom end of the hinged seat (3) is fixed with a universal wheel (1).