CN209776497U - Folding multifunctional trolley - Google Patents

Abstract

The utility model discloses a foldable multi-functional dolly, first folding mechanism and the second folding mechanism that sets up including the symmetry, first folding mechanism and second folding mechanism all include base plate, backup pad, extend the board, and all articulate through the articulated elements between the board, and first folding mechanism's bottom is equipped with two rollers, and the bottom side of second folding mechanism is equipped with actuating mechanism. The trolley comprises a left folding mechanism and a right folding mechanism which are hinged with each other and are symmetrical, the left folding mechanism and the right folding mechanism are respectively provided with a supporting plate which can rotate mutually, the trolley can be converted into different shapes according to the requirement of carrying goods, and can be suitable for carrying goods with different sizes, and a rotating fixing piece is adopted between the supporting plates, so that the trolley is good in bearing performance and high in stability; in addition, the universal wheels are controlled and driven by the program motor, manual pushing is not needed, the universal wheels are particularly suitable for carrying articles with large weight, the practicability is good, and the universal wheels are worthy of wide popularization.

Description

Folding multifunctional trolley

Technical Field

The utility model relates to a transport means, concretely relates to foldable multi-functional dolly

Background

The handcart is a common tool for carrying articles, can replace manual carrying, is convenient and practical, and is widely applied to various occasions, particularly libraries, supermarkets, airports and the like. The traditional trolley comprises a supporting panel, trundles arranged at the bottom end of the supporting panel, and a push rod arranged at the bottom end of the supporting panel, and is of a fixed and non-foldable structure, large in occupied space and inconvenient to store.

The utility model with the Chinese application number of 2017216470523 discloses a multifunctional folding handcart, which comprises a left frame and a right frame; the left jig comprises two upright columns and two cross beams, and the right jig comprises two upright columns and two cross beams; a longitudinal connecting rod is arranged between the left and right frames, and two ends of the longitudinal connecting rod are connected with two oblique connecting rods A; the middle part of each oblique connecting rod A is rotatably connected with an oblique connecting rod B; two transverse connecting rods are arranged above two ends of the longitudinal connecting rod; canvas is connected between the left frame and the right frame; the left frame is connected with a table plate; and the right-hand frame is connected with a telescopic rod. The utility model discloses a set up indulge, transverse connection rod, realized that the handcart is folding, be convenient for deposit, and still set up the table, increased storage space, when still having following defect: firstly, the supporting panel of the handcart is canvas, although a plurality of connecting rods are arranged under the canvas for supporting, the bearing performance is poor, and the handcart is particularly not suitable for carrying articles with larger weight; secondly, after all the connecting rods are unfolded, the canvas can only keep a fixed size and cannot be suitable for carrying articles of various sizes; in addition, the handcart can be pushed only by holding the telescopic rod by a person, and if the handcart is used for carrying articles with large weight, the labor intensity is high, so that the practicability of the handcart is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a folding multifunctional trolley which comprises a left folding mechanism and a right folding mechanism which are hinged and symmetrical, wherein the left folding mechanism and the right folding mechanism are both provided with supporting plates which can rotate mutually, the trolley can convert different shapes according to the requirement of carrying goods, can be suitable for carrying articles with different sizes, and adopts a rotary fixing piece between the supporting plates, so that the bearing performance is good and the stability is high; in addition, the universal wheels are controlled and driven by the program motor, manual pushing is not needed, the universal wheels are particularly suitable for carrying articles with large weight, the practicability is good, and the universal wheels are worthy of wide popularization.

in order to achieve the purpose, the utility model discloses the technical scheme who takes:

The folding multifunctional trolley comprises a first folding mechanism and a second folding mechanism which are symmetrically arranged, wherein the first folding mechanism comprises a first base plate and a plurality of first supporting plates which are sequentially hinged on the first base plate through hinges, the second folding mechanism comprises a second base plate and a plurality of second supporting plates which are sequentially hinged on the second base plate through hinges, the first base plate and the second base plate are mutually hinged, the left side and the right side of the first base plate are both hinged with first expansion plates through hinges, the sizes of the two first expansion plates are half of the size of the first base plate, the left side and the right side of the second base plate are both hinged with second expansion plates through hinges, and the sizes of the two second expansion plates are half of the size of the second base plate; the hinge comprises a hinge rotating shaft, one end of the hinge rotating shaft is provided with a spring, the other end of the hinge rotating shaft is provided with a press button, the press button is sleeved in a sealing cover, the hinge rotating shaft is sleeved with a plurality of stable clamping columns, the stable clamping columns are cylindrical and are uniformly provided with axial clamping strips along the surfaces of the stable clamping columns, the hinge rotating shaft, the spring and the stable clamping columns are all sleeved in hinge cylinders arranged at the hinge sides of adjacent plates, the hinge cylinders on the two plates are mutually hinged and arranged in a staggered manner, stable holes matched with the shapes of the stable clamping columns are formed in the hinge cylinders sleeved with the stable clamping columns, and the sealing cover is detachably connected with the hinge cylinders at the ends; the bottom side of the first substrate is symmetrically provided with two rolling wheels, the bottom side of the second substrate is provided with a driving mechanism, the driving mechanism comprises two universal wheels symmetrically arranged on the bottom side of the second substrate, a connecting shaft is arranged between the universal wheels, and the connecting shaft is connected with a program motor; first base plate, all first backup pads all correspond and have seted up with actuating mechanism assorted actuating mechanism inlay groove, the symmetry has actuating mechanism to inlay the half groove on two first expansion boards, then two actuating mechanism inlay the half groove and just splice into an actuating mechanism and inlay the groove, then actuating mechanism can inlay at actuating structure and inlay the inslot, all correspond on second base plate, all second backup pads, two second expansion boards and seted up with two rolling wheel assorted two and inlay the groove.

As the preferred technical scheme, in order to enable workers to climb to a high place, arrange and carry stacks of goods and change the single function of the existing trolley, a supporting plate panel is arranged on the side surface of a first supporting plate hinged with a first base plate, a ladder supporting plate is nested on the supporting plate panel, and a telescopic ladder is arranged on the ladder supporting plate.

As preferred technical scheme, in order to make this dolly can carry or hang various article, increase the utilization ratio of each plate transport of this dolly, improve the practicality, the side of all second backup pads all can be equipped with the increase board with dismantling.

compared with the prior art, the utility model discloses the beneficial effect who has:

1. The trolley comprises a left folding mechanism and a right folding mechanism which are hinged with each other and are symmetrical, the left folding mechanism and the right folding mechanism are respectively provided with a supporting plate which can rotate mutually, the trolley can be converted into different shapes according to the requirement of carrying goods, and can be suitable for carrying goods with different sizes, and a rotating fixing piece is adopted between the supporting plates, so that the trolley is good in bearing performance and high in stability; in addition, the universal wheels are controlled and driven by the program motor, manual pushing is not needed, the universal wheels are particularly suitable for carrying articles with large weight, the practicability is good, and the universal wheels are worthy of wide popularization.

2. Set up flexible ladder, make the staff can climb the eminence, can arrange in order piling up of transport goods, change the unicity function of current dolly.

3. Set up and increase the support plate, make this dolly can carry or hang various article, increase the utilization ratio of each plate transport of this dolly, improve the practicality.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

Fig. 3 is a schematic view of the tiling of the first folding mechanism and the second folding mechanism;

FIG. 4 is a partial cross-sectional view of the present invention;

Fig. 5 is a schematic view of the tiling of the present invention;

fig. 6 is a schematic folding view of the present invention;

Reference numerals: 1. the folding device comprises a first folding mechanism, 1-1, a first base plate, 1-2, a first supporting plate, 1-3, a first expansion plate, 2, a second folding mechanism, 2-1, a second base plate, 2-2, a second supporting plate, 2-3, a second expansion plate, 3, a hinge piece, 3-1, a hinged rotating shaft, 3-2, a spring, 3-3, a pressing button, 3-4, a sealing cover, 3-5, a stable clamping column, 3-6, a hinged cylinder, 4, a rolling wheel, 5, a driving mechanism, 5-1, a universal wheel, 5-2, a connecting shaft, 5-3, a program motor, 6, a rolling wheel embedding groove, 7, a driving mechanism embedding groove, 8, a driving mechanism embedding half groove, 9, a supporting plate embedding plate, 10, a ladder supporting plate, 11, a telescopic ladder, 11-1, The device comprises a crawling cross rod 11-2, vertical supporting cylinders 12, a load-increasing plate 13 and connecting cylinders.

Detailed Description

As shown in fig. 1, a foldable multi-functional cart according to an embodiment of the present invention comprises a first folding mechanism 1 and a second folding mechanism 2, which are symmetrically disposed, wherein the first folding mechanism 1 comprises a first base plate 1-1 and a plurality of first supporting plates 1-2, which are sequentially hinged to the first base plate 1-1 through a hinge 3, such that all the first supporting plates 1-2 can be sequentially folded on the first base plate 1-1, the second folding mechanism 2 comprises a second base plate 2-1 and a plurality of second supporting plates 2-2, which are sequentially hinged to the second base plate 2-1 through a hinge 3, such that all the second supporting plates 2-2 can be sequentially folded on the second base plate 2-1, and all the plates are square and have the same size, and the first supporting plate 1-2 and the second supporting plate 2-2 of the present embodiment are set to be 2, and the first base plate 1-1 and the second base plate 2-1 are hinged with each other, so that the first base plate 1-1 and the second base plate 2-1 can be folded with each other, in this embodiment, the first base plate 1-1 and the second base plate 2-1 are hinged with each other through a plurality of hinges, the left side and the right side of the first base plate 1-1 are both hinged with first extending plates 1-3 through hinges 3, the size of the two first extending plates 1-3 is half of that of the first base plate 1-1, then the two first extending plates 1-3 are just spliced into the first base plate 1-1, the left side and the right side of the second base plate 2-1 are both hinged with second extending plates 2-3 through hinges 3, the size of the two second extending plates 2-3 is half of that of the second base plate 2-1, then the two second extending plates 2-3 are just spliced into the second base plate 2-1, as shown in fig. 3; the hinge member 3 comprises a hinge rotating shaft 3-1, one end of the hinge rotating shaft 3-1 is provided with a spring 3-2, the other end is provided with a pressing button 3-3, the pressing button is sleeved with the spring 3-2 in a sealing cover 3-4, the pressing button 3-3 is arranged in the embodiment and comprises two cylindrical columns which have different diameters and are sequentially arranged, the hinge rotating shaft 3-1 is sleeved with a plurality of fixing clamping columns 3-5, the embodiment is provided with 2 fixing clamping columns 3-5, the fixing clamping columns 3-5 are cylindrical and are uniformly provided with axial clamping strips along the surface thereof, the hinge rotating shaft 3-1, the spring 3-2 and the fixing clamping columns 3-5 are all sleeved in hinge tubes 3-6 arranged at the hinge side of adjacent plates, and the hinge tubes 3-6 on the two plates which are mutually hinged are arranged in a staggered manner, in order to ensure the hinge joint between the plates is stable, in this embodiment, the hinge joint barrel 3-6 and the plate where the hinge joint barrel is located are integrally formed, a stable hole matched with the shape of the stable clamping column 3-5 is formed in the hinge joint barrel 3-6 sleeved with the stable clamping column 3-5, the stable clamping column 3-6 is clamped and embedded in the stable hole to realize the stability of the adjacent hinge joint after rotation, the seal cover 3-4 is detachably connected with the hinge joint barrel 3-6 at the end part, the seal cover 3-4 is matched with the shape of the plate end part and detachably connected through a bolt, in order to ensure the stability after rotation and improve the bearing performance, as shown in fig. 4, the first base plate 1-1 and the first support plate 1-2 hinged with the first base plate are arranged, and the second base plate 2-1 and the second support plate 2-1 hinged with the second base plate are hinged with the second base plate through two hinge joints 3, the two hinge parts 3 are connected through a plurality of connecting cylinders 13, and in the embodiment, the two connecting cylinders 13 are arranged between the two hinge parts 3, so that the two hinge parts 3 can rotate relatively under the action of the two connecting cylinders 13; the bottom side of the first substrate 1-1 is symmetrically provided with two rolling wheels 4, the two rolling wheels 4 are provided with a brake device in the embodiment, when the rolling wheels 4 are not needed to roll, the brake device is broken off to stop the rolling wheels 4 from rolling and keep the rolling wheels 4 fixed, the bottom side of the second substrate 2-1 is provided with a driving mechanism 5, the driving mechanism 5 comprises two universal wheels 5-1 symmetrically arranged on the bottom side of the second substrate 2-1, the distance between the two rolling wheels 4 is larger than the distance between the two universal wheels 5-1 in the embodiment, a connecting shaft 5-2 is arranged between the two universal wheels 5-1, the connecting shaft 5-2 is connected with a program motor 5-3, the program motor 5-3 and the connecting shaft 5-2 form a T shape, and the program motor 5-3 can be selected as a stepping motor, The servo motor and the like are arranged as stepping motors in the embodiment in order to ensure that the two universal wheels 5-1 are accurately steered, and the stepping motors can be connected with a control program on a mobile phone of an operator through Bluetooth, so that the operator can follow the operation to realize the forward, backward or steering driving of the trolley; the first substrate 1-1 and all the first supporting plates 1-2 are correspondingly provided with driving mechanism embedding grooves 7 matched with the driving mechanisms 5, the two first expansion plates 1-3 are symmetrically provided with driving mechanism embedding half grooves 8, the two driving mechanism embedding half grooves 8 are just spliced into one driving mechanism embedding groove 7, the driving mechanisms 5 can be embedded in the driving mechanism embedding grooves 7, the driving mechanism embedding half grooves 8 arranged on the adjacent plates are arranged in a mirror image mode, the second substrate 2-1, all the second supporting plates 2-2 and the two second expansion plates 2-3 are correspondingly provided with two rolling wheel embedding grooves 6 matched with the two rolling wheels 4, and the two rolling wheels 4 can be respectively embedded in the two rolling wheel embedding grooves 6.

The side of the first supporting plate 1-2 hinged with the first base plate 1-1 is provided with a supporting plate panel 9, a ladder supporting plate 10 is embedded on the supporting plate panel 9, a telescopic ladder 11 is arranged on the ladder supporting plate 10, so that workers can climb to a high place, arrange and carry goods, and change the single function of the existing trolley, the supporting plate panel 9 is connected with the first supporting plate 1-2 through bolts in the embodiment, in order to ensure the connection stability of the supporting plate panel 9 and the ladder supporting plate 10, besides the mutual embedded connection of the supporting plate panel 9 and the ladder supporting plate 10, the embodiment is also provided with bolts between the supporting plate panel 9 and the ladder supporting plate 10, the telescopic ladder 11 comprises a crawling cross bar 11-1 arranged in parallel up and down, vertical supporting cylinders 11-2 arranged at two ends of the crawling cross bar 11-1 and capable of being embedded in turn, the friction force between the adjacent vertical supporting cylinders 11-2 which are embedded, like the antenna of the traditional television, the vertical supporting cylinder 11-2 is ensured to be stable after being stretched, and the vertical supporting cylinder 11-2 at the bottommost end has the largest diameter and is connected with the ladder supporting plate 10 through a bolt.

All the side surfaces of the second supporting plates 2-2 are detachably provided with the loading plates 12, in the embodiment, the loading plates 12 with different shapes are arranged on the 2 second supporting plates 2-2, one of the loading plates is provided with the embedding chute, the loading plate 12 is embedded into the embedding chute, the other loading plate is provided with the butt-joint groove in a concave shape, and the loading plate 12 which is connected with the butt-joint groove is arranged on the butt-joint groove, so that the trolley can carry or hang various articles, the utilization rate of carrying of each plate of the trolley is increased, and the practicability is improved.

The utility model discloses during the use: the change of the different shapes of the trolley can be realized by rotating the first support 1-2 and the second support plate 2-2 according to the shape of the carried goods, if the length of the carried goods is longer, the trolley can be rotated into the shape as shown in figure 1, if the goods are prevented from falling off the trolley, the trolley can be rotated into the shape as shown in figure 2, the two first extension plates 1-3 and the two second extension plates 1-4 can be respectively arranged on the first base plate 1-1 and the second base plate 2-1, as shown in figure 5, when the trolley is not needed, the additional support plate 12 is disassembled, the telescopic ladder 11 is compressed, then all the first support plates 1-2 are firstly folded clockwise and then anticlockwise, thereby all the first support plates are folded on the first base plate 1-1, and all the second support plates 2-2 are firstly and then folded anticlockwise, therefore, the two rolling wheels 4 are just embedded in rolling wheel embedding grooves 6 formed in the first supporting plate 1-2 and the two first extending plates 1-3, and the driving mechanism 5 is just embedded in driving mechanism embedding grooves 7 formed in the second substrate 2-1, all the second supporting plates 2-2 and the two second extending plates 2-3, as shown in fig. 6.

Of course, the above detailed description is only made for the preferred embodiments of the present invention with reference to the accompanying drawings, and not to limit the scope of the present invention, and all equivalent changes made according to the principles, structures and structures of the present invention should be covered by the protection scope of the present invention.

Claims (3)

1. Folding multifunctional trolley, its characterized in that: the folding mechanism comprises a first folding mechanism (1) and a second folding mechanism (2) which are symmetrically arranged, wherein the first folding mechanism (1) comprises a first base plate (1-1) and a plurality of first supporting plates (1-2) which are sequentially hinged on the first base plate (1-1) through hinges (3), the second folding mechanism (2) comprises a second base plate (2-1) and a plurality of second supporting plates (2-2) which are sequentially hinged on the second base plate (2-1) through hinges (3), the first base plate (1-1) and the second base plate (2-1) are mutually hinged, the left side and the right side of the first base plate (1-1) are respectively hinged with a first extending plate (1-3) through the hinges (3), the sizes of the two first extending plates (1-3) are half of the size of the first base plate (1-1), the left side and the right side of the second base plate (2-1) are hinged to second expansion plates (2-3) through hinges (3), and the sizes of the two second expansion plates (2-3) are half of the size of the second base plate (2-1); the hinge assembly (3) comprises a hinge rotating shaft (3-1), one end of the hinge rotating shaft (3-1) is provided with a spring (3-2), the other end of the hinge rotating shaft is provided with a pressing button (3-3), the pressing button (3-3) is sleeved in a sealing cover (3-4), the hinge rotating shaft (3-1) is sleeved with a plurality of stable clamping columns (3-5), the stable clamping columns (3-5) are cylindrical and are uniformly provided with axial clamping strips along the surfaces of the stable clamping columns, the hinge rotating shaft (3-1), the spring (3-2) and the stable clamping column (3-5) are all sleeved in hinge barrels (3-6) arranged at the hinge sides of adjacent plates, the hinge barrels (3-6) on the two hinged plates are arranged in a staggered mode, and the hinge barrels (3-6) sleeved with the stable clamping columns (3-5) are arranged in the hinge barrels (3-6) provided with the stable clamping columns (3-5) in a sleeved mode The sealing cover (3-4) is detachably connected with the hinged cylinder (3-6) at the end part; the bottom side of the first substrate (1-1) is symmetrically provided with two rolling wheels (4), the bottom side of the second substrate (2-1) is provided with a driving mechanism (5), the driving mechanism (5) comprises two universal wheels (5-1) symmetrically arranged on the bottom side of the second substrate (2-1), a connecting shaft (5-2) is arranged between the two universal wheels (5-1), and the connecting shaft (5-2) is connected with a program motor (5-3); the first base plate (1-1) and all the first supporting plates (1-2) are correspondingly provided with driving mechanism embedding grooves (7) matched with driving mechanisms (5), the two first expansion plates (1-3) are symmetrically provided with driving mechanism embedding half grooves (8), and the second base plate (2-1), all the second supporting plates (2-2) and the two second expansion plates (2-3) are correspondingly provided with two rolling wheel embedding grooves (6) corresponding to the two rolling wheels (4).

2. the foldable multi-function cart of claim 1, further comprising: a supporting plate panel (9) is arranged on the side surface of the first supporting plate (1-2) hinged with the first base plate (1-1), a ladder supporting plate (10) is embedded in the supporting plate panel (9), and a telescopic ladder (11) is arranged on the ladder supporting plate (10).

3. the foldable multi-function cart of claim 1 or 2, wherein: the side surfaces of all the second supporting plates (2-2) are detachably provided with a support increasing plate (12).