Multifunctional trolley

Abstract

A multifunctional trolley comprises a fixing bottom plate, a bearing plate, a partition plate, a fixing vertical plate, a positioning supporting rod, a fixing cover and a driving connecting rod, the upper portion of the fixing bottom plate is connected with a push rod, the lower portion of the fixing bottom plate is connected with self-locking universal wheels, the fixing bottom plate is provided with a containing groove, the containing groove is matched with the bearing plate, the bearing plate is connected with the containing groove, and lower fixing grooves are formed in the two sides of the bearing plate. The bearing plate is provided with a positioning supporting block which is connected with a fixing vertical plate, the lower portion of the fixing vertical plate is connected with a fixing bottom plate, the upper portion of the fixing vertical plate is provided with a mounting supporting plate, supporting sleeves are arranged on the two sides of the mounting supporting plate and attached to a driven gear disc, and the driven gear disc is provided with a positioning supporting rod. The positioning supporting rod is sequentially connected with the supporting sleeve, the mounting supporting plate, the fixing vertical plate, the positioning supporting block, the fixing bottom plate and the circular baffle, the circular baffle is attached to the fixing bottom plate, the positioning supporting rod is connected with the positioning supporting block through threads, and upper fixing grooves are formed in the two sides of the positioning supporting block.

Description

Technical Field

[0001] The utility model relates to the field of carts, in particular to a multifunctional small cart. Background Art

[0002] The existing patent (Announcement No.: CN214565486U) proposes a multifunctional trolley, including a push-pull rod, a right side baffle, a left side baffle, a front baffle, a rear baffle and other components. The push-pull rod of the utility model can be turned through the slide rails on both sides of the vehicle body, which can meet a variety of work scenarios. In a narrow space, the direction of the trolley can be adjusted by directly adjusting the push-pull rod. The connection between the front and rear end baffles and the left and right side baffles and the connecting baffles can effectively prevent the items on the trolley from falling, and the trolley becomes a trolley with a compartment. However, this "vehicle body" is only provided with a single-layer placement space, and its placement space cannot be separated according to the category of items, etc., resulting in the mixing and stacking of items of different categories, which is not convenient for quick unloading, and has poor practical performance and disadvantages. Summary of the invention

[0003] The utility model aims at the above-mentioned deficiencies in the prior art and provides a multifunctional cart which is easy to move, convenient for transferring and transporting goods, and can divide the upper space of the cart according to the actual needs of carrying goods to avoid mixing and stacking of different categories of goods, which would cause inconvenience in loading and unloading of goods, thereby improving the efficiency of loading and unloading of goods, and has a flexible structure and strong practicality.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A multifunctional trolley comprises a fixed bottom plate, a supporting plate, a partition plate, a fixed vertical plate, a positioning support rod, a fixed cover and a driving connecting rod. The upper part of the fixed bottom plate is connected to a push rod, the lower part of the fixed bottom plate is connected to a self-locking universal wheel, the fixed bottom plate has a storage groove, the storage groove is adapted to the supporting plate, the supporting plate is connected to the storage groove, both sides of the supporting plate have lower fixed grooves, the supporting plate has a positioning support block, the positioning support block is connected to the fixed vertical plate, the lower part of the fixed vertical plate is connected to the fixed bottom plate, the upper part of the fixed vertical plate has a mounting support plate, both sides of the mounting support plate have support sleeves, the support sleeves fit the driven gear plate, the driven gear plate has a positioning support rod, the positioning support rod is sequentially connected to the support sleeve, the mounting support plate, the fixed vertical plate, the positioning support block, the fixed bottom plate and a circular baffle, the circular baffle fits the fixed bottom plate, the positioning support rod is connected to the positioning support block by threads, and both sides of the positioning support block have upper fixed grooves.

[0006] The utility model discloses a fixed vertical plate connected to a partition plate, wherein the partition plate has a connecting block, and connecting ears are provided on both sides of the fixed vertical plate. The connecting ears are connected to the connecting blocks through a movable shaft rod, and the movable shaft rod is sequentially connected to the connecting ears and the connecting blocks, and the connecting blocks rotate on the movable shaft rod. The lower part of the partition plate has a fixed protrusion, and the fixed protrusion is adapted to an upper fixed groove and a lower fixed groove. The fixed protrusion is connected to the upper fixed groove, and the fixed protrusion is connected to the lower fixed groove.

[0007] The utility model describes that the upper part of the mounting support plate is connected to a fixed cover, the outer side of the fixed cover fits the knob, the inner side of the fixed cover fits the driving connecting rod, both sides of the fixed cover are provided with shaft rod through holes, the knob has a driving shaft rod, the driving shaft rod is adapted to the shaft rod through holes, the driving shaft rod passes through the shaft rod through holes, the driving shaft rod is connected to the driving connecting rod, both sides of the driving connecting rod are provided with driving gear plates, the driving gear plates are meshed with the driven gear plates, and the driving gear plates are connected to the driven gear plates.

[0008] The utility model provides lower limit support plates on both sides of the installation support plate, upper limit support plates on both sides of the fixed cover, the upper limit support plate is connected to the driving connecting rod, the driving connecting rod is connected to the lower limit support plate, the lower limit support plate is connected to the upper limit support plate, the upper limit support plate has an upper clamping plate, the lower limit support plate has a lower clamping plate, the driving connecting rod has a limit clamping slot, the upper clamping plate and the lower clamping plate are adapted to the limit clamping slot, the upper clamping plate is connected to the limit clamping slot, and the limit clamping slot is connected to the lower clamping plate. Beneficial Effects

[0009] The push rod of the utility model cooperates with the self-locking universal wheel, which increases the mobility of the cart and is convenient for transferring and transporting goods. The partition plate is connected with the fixed vertical plate by a movable shaft rod and can be opened and closed freely. The upper space pattern of the cart can be changed by changing its supporting state to meet different cargo transportation needs. When the partition plate is rotated to be parallel to the fixed bottom plate, the partition plate divides the storage space on the top of the cart, which is convenient for users to separate and place items according to their categories, avoids mixing and stacking of items of different categories, which causes inconvenience in loading and unloading of goods, and improves the efficiency of cargo loading and unloading. When the partition plate is rotated to be parallel to the fixed vertical plate, no separation space is formed on the top of the cart, which is convenient for carrying objects with higher volume. The structure is flexible and practical.

[0010] The driving gear plates on both sides of the driving connecting rod of the utility model are meshed and connected with the driven gear plates on both sides, so that when the driving connecting rod is driven to rotate by turning the knob, the driven gear plates on both sides and the positioning support rods are linked accordingly, and the positioning support rods are positioned and connected with the positioning support blocks through threads, so that when the positioning support rods rotate, the positioning support blocks drive the supporting plates to perform longitudinal linear displacement accordingly, and when the partition plate divides the upper space of the trolley, the supporting plates can be driven to move up to the upper surface thereof to fit with the lower surface of the partition plate, and the fixed The fixed protrusion is embedded in the lower fixed groove to fix and support the partition plate, thereby improving its stability in carrying goods and preventing the partition plate from rotating on the movable shaft rod, which may cause the support angle to change and the items to slip. When the partition plate is rotated inward for storage, the supporting plate is driven down to be embedded in the storage groove, which does not affect the normal loading of the fixed bottom plate. The fixed protrusion is embedded in the upper fixed groove to provide a positioning fulcrum for the partition plate in the folded state, thereby preventing it from shaking with the movement of the cart and causing impact on the carried goods, thereby improving the structural stability.

[0011] The fixed cover of the utility model provides an installation fulcrum for the driving connecting rod and its driving component, and supports and limits both sides of the driving connecting rod through the cooperation of the upper limit support plate and the lower limit support plate, so that the axial rotation adjustment can be performed while keeping the lateral position and the longitudinal height unchanged, avoiding the deviation and movement, affecting the linkage effect of each component, and improving the structural stability.

[0012] The utility model is easy to move and convenient for transferring and transporting goods. The upper space of the cart can be divided according to the actual demand for carrying goods to avoid mixing and stacking of different categories of goods, which causes inconvenience in loading and unloading of goods, improves the efficiency of loading and unloading of goods, has a flexible structure and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic structural diagram of a multifunctional trolley.

[0014] Figure 2 This is a schematic diagram of the structure of the partition plate of the utility model in a folded state.

[0015] Figure 3 This is a cross-sectional view of the structure of a multifunctional trolley described in the utility model.

[0016] Figure 4 This is a cross-sectional view of the driving connecting rod limiting structure described in the utility model.

[0017] Figure 5 This is a schematic diagram of the fixed cover structure of the utility model.

[0018] Figure 6 This is a schematic diagram of the driving connecting rod structure described in the utility model.

[0019] Figure 7 This is a schematic diagram of the fixed base plate structure described in the utility model.

[0020] Figure 8 This is a schematic diagram of the supporting plate structure of the utility model.

[0021] Fig. 9 This is a cross-sectional view of the support plate driving structure described in the utility model. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0023] Embodiment 1:

[0024] A multifunctional trolley includes a fixed bottom plate 03, a supporting plate 05, a partition plate 06, a fixed vertical plate 10, a positioning support rod 12, a fixed cover 20, and a driving connecting rod 21. The upper part of the fixed bottom plate 03 is connected to a push rod 01, and the lower part of the fixed bottom plate 03 is connected to a self-locking universal wheel 02. The push rod 01 cooperates with the self-locking universal wheel 02 to increase the convenience of the trolley's movement and facilitate the transfer and transportation of goods. The fixed bottom plate 03 has a storage groove 04, and the storage groove 04 is adapted to the supporting plate 05. The supporting plate 05 is connected to the storage groove 04. The supporting plate 05 has lower fixed grooves 16 on both sides. The supporting plate 05 has a positioning support rod. Block 13, the positioning support block 13 is connected to the fixed vertical plate 10, the lower part of the fixed vertical plate 10 is connected to the fixed bottom plate 03, the upper part of the fixed vertical plate 10 has a mounting support plate 29, the mounting support plate 29 has support sleeves 19 on both sides, the support sleeves 19 fit the driven gear plate 18, the driven gear plate 18 has a positioning support rod 12, the positioning support rod 12 is sequentially connected to the support sleeve 19, the mounting support plate 29, the fixed vertical plate 10, the positioning support block 13, the fixed bottom plate 03, and the circular baffle 11, the circular baffle 11 fits the fixed bottom plate 03, the positioning support rod 12 is connected to the positioning support block 13 by threads, and the positioning support block 13 has upper fixed grooves 15 on both sides.

[0025] Embodiment 2:

[0026] The utility model said fixed vertical plate 10 is connected to the partition plate 06, the partition plate 06 has a connecting block 08, the fixed vertical plate 10 has connecting ears 07 on both sides, the connecting ears 07 are connected to the connecting block 08 through a movable shaft 09, the movable shaft 09 is sequentially connected to the connecting ears 07 and the connecting block 08, the connecting block 08 rotates on the movable shaft 09, the lower part of the partition plate 06 has a fixed protrusion 14, the fixed protrusion 14 is adapted to the upper fixed groove 15 and the lower fixed groove 16, the fixed protrusion 14 is connected to the upper fixed groove 15, the fixed protrusion 14 is connected to the lower fixed groove 16, the partition plate 06 is connected to the fixed vertical plate 10 through the movable shaft 09 The link can be opened and closed freely and rotated. By changing its supporting state, the spatial pattern on the upper part of the trolley can be changed to meet different cargo transportation needs. When the partition plate 06 is rotated to be parallel to the fixed bottom plate 03, the partition plate 06 divides the storage space on the upper part of the trolley, which is convenient for users to separate and place items according to their categories, avoid mixing and stacking of items of different categories, which makes cargo loading and unloading inconvenient, and improves cargo loading and unloading efficiency. When the partition plate 06 is rotated to be parallel to the fixed vertical plate 10, no partition space is formed on the upper part of the trolley, which is convenient for carrying larger objects. The structure is flexible and practical.

[0027] Embodiment 3:

[0028] The upper part of the mounting support plate 29 of the utility model is connected to the fixed cover 20, the outer side of the fixed cover 20 is fitted with the knob 23, the inner side of the fixed cover 20 is fitted with the driving connecting rod 21, the fixed cover 20 has shaft rod through holes 30 on both sides, the knob 23 has a driving shaft rod 22, the driving shaft rod 22 is adapted to the shaft rod through holes 30, the driving shaft rod 22 passes through the shaft rod through holes 30, the driving shaft rod 22 is connected to the driving connecting rod 21, the driving connecting rod 21 has driving gear plates 17 on both sides, the driving gear plates 17 are meshed with the driven gear plates 18, the driving gear plates 17 are connected to the driven gear plates 18, the driving gear plates 17 on both sides of the driving connecting rod 21 are meshed and connected with the driven gear plates 18 on both sides, so that when the driving connecting rod 21 is driven to rotate by turning the knob 23, the driven gear plates 18 on both sides and the positioning support rod 12 are linked accordingly, and the positioning support rod 12 is positioned and connected with the positioning support block 13 through a thread. When the positioning support rod 12 rotates, the positioning support block 13 drives the supporting plate 05 to move longitudinally. When the partition plate 06 divides the upper space of the trolley, the supporting plate 05 can be driven to move up until its upper surface is in contact with the lower surface of the partition plate 06, and the fixed protrusion 14 is embedded in the lower fixed groove 16 to fix and support the partition plate 06, thereby improving its stability in carrying goods and preventing the partition plate 06 from rotating on the movable shaft rod 09, resulting in changes in the support angle and items slipping off. When the partition plate 06 rotates inward for storage, the supporting plate 05 is driven to move down until it is embedded in the storage groove 04, which does not affect the normal loading of the fixed bottom plate 03. At the same time, the fixed protrusion 14 is embedded in the upper fixed groove 15 to provide a positioning fulcrum for the partition plate 06 in the folded state, thereby preventing it from shaking with the movement of the trolley and causing impact on the carried goods, thereby improving the structural stability.

[0029] Embodiment 4:

[0030] The utility model described in the installation support plate 29 has lower limit support plates 25 on both sides, and the fixed cover 20 has upper limit support plates 24 on both sides. The upper limit support plate 24 is connected to the driving connecting rod 21, and the driving connecting rod 21 is connected to the lower limit support plate 25. The lower limit support plate 25 is connected to the upper limit support plate 24. The upper limit support plate 24 has an upper clamping plate 26, and the lower limit support plate 25 has a lower clamping plate 27. The driving connecting rod 21 has a limit card slot 28, and the upper clamping plate 26 and the lower clamping plate 27 are adapted to the limit card slot 28. The upper clamping plate 26 is connected to the limit card slot 28, and the limit card slot 28 is connected to the lower clamping plate 27. The fixed cover 20 provides a mounting fulcrum for the driving connecting rod 21 and its driving components, and cooperates with the upper limit support plate 24 and the lower limit support plate 25 to support and limit both sides of the driving connecting rod 21, so that it can maintain its horizontal position and longitudinal height unchanged. Under the condition of performing axial rotation adjustment, it can avoid its offset and movement, which affects the linkage effect of each component and improves the structural stability. This device is easy to move and convenient for transferring and transporting goods. It can also divide the upper space of the cart according to the actual needs of carrying goods, avoiding mixing and stacking of different categories of items, which would cause inconvenience in loading and unloading of goods, thereby improving the efficiency of loading and unloading of goods. It has a flexible structure and strong practicality.

[0031] Embodiment 5:

[0032] Installation steps: First, assemble the driving structure of the support plate 05. First, place the support plate 05 into the storage groove 04, and then fix the fixed vertical plate 10 vertically to the upper part of the fixed bottom plate 03, and the inner surface of the fixed vertical plate 10 is in contact with the outer surface of the positioning support block 13. Then, the positioning support rod 12 passes through the support sleeve 19, the installation support plate 29, the fixed vertical plate 10, the positioning support block 13, and the fixed bottom plate 03 from top to bottom, until the lower surface of the driven gear plate 18 is in contact with the upper surface of the support sleeve 19, and the positioning support rod 12 is positioned and connected with the positioning support block 13 through threads, and then the circular baffle 11 is placed at the bottom of the fixed bottom plate 03 and fixedly connected with the positioning support rod 12. The upper surface of the circular baffle 11 is in contact with the lower surface of the fixed bottom plate 03, and the circular baffle 11 rotates synchronously with the rotation of the positioning support rod 12, and then the driving connecting rod 21 and the knob 23 are respectively placed inside and outside the fixed cover 20 On both sides, the driving shaft 22 passes through the shaft through-hole 30 and is fixedly connected with the driving connecting rod 21, the inner surface of the knob 23 fits with the outer surface of the fixed cover 20, the upper limit support plate 24 fits with the driving connecting rod 21, and the upper clamping plate 26 is embedded in the limit slot 28. Finally, the fixed cover 20 is installed and fixed on the upper part of the mounting support plate 29, and the driving connecting rod 21 fits with the lower limit support plate 25, and the lower clamping plate 27 is embedded in the limit slot 28. The driving gear plate 17 and the driven gear plate 18 are meshed and connected. After the driving structure of the supporting plate 05 is assembled, the push rod 01 is welded and fixed to the upper part of the fixed base plate 03, and then the self-locking universal wheel 02 is installed and fixed to the bottom of the fixed base plate 03. Finally, the partition plate 06 is placed on the outside of the fixed vertical plate 10, and the connecting block 08 is linked to the connecting ear 07 through the movable shaft 09, and the fixed protrusion 14 is embedded in the upper fixed groove 15 to complete the installation.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A multifunctional trolley, characterized by : It comprises a fixed bottom plate (03), a supporting plate (05), a partition plate (06), a fixed vertical plate (10), a positioning support rod (12), a fixed cover (20), and a driving connecting rod (21), wherein the upper part of the fixed bottom plate (03) is connected to the push rod (01), the lower part of the fixed bottom plate (03) is connected to the self-locking universal wheel (02), the fixed bottom plate (03) has a storage groove (04), the storage groove (04) is adapted to the supporting plate (05), the supporting plate (05) is connected to the storage groove (04), the supporting plate (05) has lower fixed grooves (16) on both sides, the supporting plate (05) has a positioning support block (13), the positioning support block (13) is connected to the fixed vertical plate (10), the fixed vertical plate The lower part of the fixed vertical plate (10) is connected to the fixed bottom plate (03), the upper part of the fixed vertical plate (10) is provided with a mounting support plate (29), the mounting support plate (29) is provided with support sleeves (19) on both sides, the support sleeves (19) are fitted with the driven gear plate (18), the driven gear plate (18) is provided with a positioning support rod (12), the positioning support rod (12) is connected to the support sleeve (19), the mounting support plate (29), the fixed vertical plate (10), the positioning support block (13), the fixed bottom plate (03), and the circular baffle (11) in sequence, the circular baffle (11) is fitted with the fixed bottom plate (03), the positioning support rod (12) is connected to the positioning support block (13) by means of threads, and the positioning support block (13) is provided with upper fixing grooves (15) on both sides.

2. A multifunctional trolley according to claim 1, characterized in that The fixed vertical plate (10) is connected to the partition plate (06), the partition plate (06) has a connecting block (08), the fixed vertical plate (10) has connecting ears (07) on both sides, the connecting ears (07) are connected to the connecting block (08) through a movable shaft (09), the movable shaft (09) is sequentially connected to the connecting ears (07) and the connecting block (08), the connecting block (08) rotates on the movable shaft (09), the lower part of the partition plate (06) has a fixed protrusion (14), the fixed protrusion (14) is adapted to the upper fixed groove (15) and the lower fixed groove (16), the fixed protrusion (14) is connected to the upper fixed groove (15), and the fixed protrusion (14) is connected to the lower fixed groove (16).

3. A multifunctional trolley according to claim 2, characterized in that The upper part of the mounting support plate (29) is connected to the fixed cover (20), the outer side of the fixed cover (20) is fitted with the knob (23), the inner side of the fixed cover (20) is fitted with the driving connecting rod (21), the fixed cover (20) has shaft rod through holes (30) on both sides, the knob (23) has a driving shaft rod (22), the driving shaft rod (22) is adapted to the shaft rod through hole (30), the driving shaft rod (22) passes through the shaft rod through hole (30), the driving shaft rod (22) is connected to the driving connecting rod (21), the driving connecting rod (21) has driving gear plates (17) on both sides, the driving gear plates (17) are meshed with the driven gear plates (18), and the driving gear plates (17) are connected to the driven gear plates (18).

4. A multifunctional trolley according to claim 3, characterized in that The mounting support plate (29) has lower limit support plates (25) on both sides, and the fixed cover (20) has upper limit support plates (24) on both sides. The upper limit support plate (24) is connected to the driving connecting rod (21). The driving connecting rod (21) is connected to the lower limit support plate (25). The lower limit support plate (25) is connected to the upper limit support plate (24). The upper limit support plate (24) has an upper clamping plate (26). The lower limit support plate (25) has a lower clamping plate (27). The driving connecting rod (21) has a limit clamping groove (28). The upper clamping plate (26) and the lower clamping plate (27) are adapted to the limit clamping groove (28). The upper clamping plate (26) is connected to the limit clamping groove (28), and the limit clamping groove (28) is connected to the lower clamping plate (27).

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