Trolley capable of changing stacking space
By setting up a space adjustment mechanism on the handcart to dynamically adjust the cargo space, the problem of traditional handcarts being unable to classify and place different items is solved, thus achieving safe and efficient cargo transportation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-27
- Publication Date
- 2026-03-27
AI Technical Summary
Traditional handcarts have fixed loading platforms, making it difficult to categorize and place items of different types, shapes, or properties. This can easily lead to fragile items being compressed or collided during handling, affecting the safety of the goods.
The space adjustment mechanism is adopted, which drives the worm gear transmission through the motor to move the eccentric plate roller in the guide frame, dynamically adjusting the height of the lifting plate to expand or compress the loading space and separate the goods into layers.
It enables flexible adaptation to goods of different sizes and types, avoids squeezing and collision, improves transportation safety, reduces the number of round trips, and improves operational efficiency.
Smart Images
Figure CN224045233U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of trolley, concretely is a trolley that can change the goods stacking space. BACKGROUND
[0002] The trolley is a simple structure of human-powered handling tool, usually by wheel, platform and push hand constitute, it relies on human power to push or pull, is used for short distance to send goods, is widely used in daily life, warehousing logistics etc.
[0003] The traditional trolley usually adopts single, fixed goods carrying platform, all goods can only be stacked on the same plane, and it is difficult to classify and place different kinds, shapes or nature of goods, when fragile goods are transported, the upper heavy goods are easy to press the lower goods, causing extrusion, collision and even damage, affecting the safety of goods. INVENTION CONTENTS
[0004] In order to make up for the deficiency of prior art, the traditional trolley usually adopts single, fixed goods carrying platform, all goods can only be stacked on the same plane, and it is difficult to classify and place different kinds, shapes or nature of goods, when fragile goods are transported, the upper heavy goods are easy to press the lower goods, causing extrusion, collision and even damage, affecting the safety of goods, the utility model provides a trolley that can change the goods stacking space.
[0005] The utility model solves the technical scheme that the technical problem adopts: a trolley that can change the goods stacking space, including platform, the top of platform is provided with push hand, the top of platform is provided with space adjusting mechanism,
[0006] The space adjusting mechanism includes the lifting plate, the lifting plate is arranged on the top of platform, both sides of platform are fixedly connected with the positioning plate, one end of two positioning plates is rotatably connected with the rotating rod, one end of two rotating rods is fixedly connected with the eccentric plate, one end of two eccentric plates is rotatably connected with the gyro wheel, the bottom of lifting plate is fixedly connected with the guide frame, the number of two guide frames is two, two guide frames are used in cooperation with two eccentric plates and gyro wheel, the other end of rotating rod is fixedly connected with the worm wheel, one side of positioning plate is provided with the worm, the surface of worm wheel is engaged with the surface of worm, one side of positioning plate is provided with motor, the output end of motor is fixedly connected with one end of worm.
[0007] As preferred, one side of two positioning plates is fixedly connected with the shell, the worm wheel and worm are rotatably connected on the inner wall of shell, the worm wheel and worm are rotatably connected on one side of positioning plate through shell, the bottom of motor is fixedly connected on the inner wall of shell, the motor is fixedly connected on one side of positioning plate through shell.
[0008] Preferably, the inner wall of each of the two guide frames is provided with a C-shaped groove, and the inner wall of the C-shaped groove is in contact with the surface of the roller.
[0009] Preferably, the top of the platform is fixedly connected with two slide rods, the inner wall of the lifting plate is in contact with the surface of the two slide rods, and the lifting plate is slidably connected to the top of the platform through the space adjusting mechanism and the slide rods.
[0010] Preferably, the surface of each of the two slide rods is provided with a limiting hole, the inner wall of the limiting hole is threadedly connected with a positioning pin, and the surface of the positioning pin is threadedly connected with the inner wall of the limiting hole.
[0011] Preferably, the top of the platform is fixedly connected with two bases, the two ends of the push handle are rotatably connected to the inner walls of the two bases through rotating shafts, and nylon sleeves are slidably arranged on the surfaces of the two bases and the two ends of the push handle.
[0012] The utility model discloses the beneficial effect that:
[0013] The utility model discloses a space adjusting mechanism is set up, is driven by motor worm, worm drives worm wheel rotation, worm wheel connects rotating rod, eccentric plate is installed on rotating rod, and the roller is equipped at the end of eccentric plate, and the roller is embedded in the guide frame of lifting plate bottom, when eccentric plate rotates with rotating rod, the roller reciprocates in the guide frame, and pushes the lifting plate and stably goes up or falls, thereby dynamically adjusting the height between layers, and the space of carrying goods is flexibly expanded or compressed, and the goods of fearing compression, fragile or different categories are placed on independent layer plate respectively, avoid extrusion, collision caused in the process of carrying due to stacking, improve the adaptability of handcart to different size and type goods, and also guarantee the safety of goods transportation through layering isolation, and a plurality of classified articles can be transported once, reduce the frequency of going and returning, and improve operation efficiency. ACCURATE DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.
[0015] Figure 1 It is the overall structure schematic diagram of the utility model;
[0016] Figure 2 It is the local structure schematic diagram of the space adjusting mechanism of the utility model;
[0017] Figure 3 It is the local structure schematic diagram of the slide rod of the utility model;
[0018] Figure 4 The utility model discloses a local structure schematic diagram of nylon cover.
[0019] In the drawing: 1, platform, 2, space adjusting mechanism, 201, lifting plate, 202, positioning plate, 203, rotating rod, 204, eccentric plate, 205, gyro wheel, 206, guide frame, 207, worm wheel, 208, worm, 209, motor, 3, push hand, 4, shell, 5, C-shaped slot, 6, sliding rod, 7, limiting hole, 8, positioning pin, 9, base, 10, nylon cover. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0021] The following will be combined with the drawings in the embodiments of the utility model to describe the technical solutions in the embodiments of the utility model clearly and completely. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. Figures 1-4 The present application will be further described in detail,
[0022] The embodiments of the present application disclose a handcart capable of changing stacking space. Referring to Figure 1 and Figure 2 A handcart capable of changing stacking space, comprising a platform 1, the top of the platform 1 is provided with a push hand 3, and the top of the platform 1 is provided with a space adjusting mechanism 2.
[0023] The space adjusting mechanism 2 comprises a lifting plate 201 arranged on the top of the platform 1, two positioning plates 202 fixedly connected to the platform 1, two rotating rods 203 rotatably connected to one end of the two positioning plates 202, two eccentric plates 204 fixedly connected to one end of the two rotating rods 203, two rollers 205 rotatably connected to one end of the two eccentric plates 204, a guide frame 206 fixedly connected to the bottom of the lifting plate 201, two guide frames 206 used in cooperation with the two eccentric plates 204 and the rollers 205, a worm wheel 207 fixedly connected to the other end of the rotating rod 203, a worm 208 arranged on one side of the positioning plate 202, the surface of the worm wheel 207 being engaged with the surface of the worm 208, a motor 209 arranged on one side of the positioning plate 202, and the output end of the motor 209 being fixedly connected to one end of the worm 208. The space adjusting mechanism 2 is driven by the motor 209, the worm 208 drives the worm wheel 207 to rotate, the worm wheel 207 is connected to the rotating rod 203, the eccentric plate 204 is installed on the rotating rod 203, the roller 205 is arranged at the end of the eccentric plate 204, and the roller 205 is embedded in the guide frame 206 at the bottom of the lifting plate 201. When the eccentric plate 204 rotates with the rotating rod 203, the roller 205 reciprocates in the guide frame 206 to push the lifting plate 201 to stably ascend or descend, so that the interlayer height is dynamically adjusted, the loading space is flexibly expanded or compressed, the goods that are afraid of being pressed, fragile or of different categories are placed on independent layer plates, the goods are prevented from being pressed and collided due to stacking during the carrying process, the adaptability of the trolley to goods of different sizes and types is improved, the safety of the goods transportation is ensured through layering and isolation, a plurality of classified goods can be transported at a time, the number of round trips is reduced, and the operation efficiency is improved.
[0024] With reference to Figure 1 The two positioning plates 202 are fixedly connected with an outer shell 4, the worm wheel 207 and the worm 208 are rotatably connected to the inner wall of the outer shell 4, the worm wheel 207 and the worm 208 are rotatably connected to one side of the positioning plate 202 through the outer shell 4, the bottom of the motor 209 is fixedly connected to the inner wall of the outer shell 4, and the motor 209 is fixedly connected to one side of the positioning plate 202 through the outer shell 4. The outer shell 4 can provide a stable mounting base for the worm wheel 207, the worm 208 and the motor 209, prevent the transmission components from deviating or loosening during operation, and form closed protection for the internal transmission components, so that the transmission structure is improved in stability.
[0025] With reference to Figure 2 The inner walls of the two guide frames 206 are provided with C-shaped grooves 5, and the inner wall of the C-shaped groove 5 is in contact with the surface of the roller 205. The C-shaped groove 5 provides a closed and clear limiting movement track for the roller 205, so that the roller 205 stably rolls along the predetermined path when the transmission components drive the lifting plate 201, and the derailment is prevented.
[0026] With reference to Figure 1 And Figure 3 , the top of the platform 1 is fixedly connected with slide rods 6, the number of the slide rods 6 is two, the inner wall of the lifting plate 201 is in contact with the surfaces of the two slide rods 6, the lifting plate 201 is slidingly connected to the top of the platform 1 through the space adjusting mechanism 2 and the slide rods 6, and the slide rods 6 provide vertical direction guiding and supporting for the lifting plate 201, so that the lifting plate 201 can only move axially along the slide rods 6 stably under the driving of the motor 209, surface shaking is avoided, it is ensured that the lifting plate 201 always remains parallel during lifting, and the rigidity and anti-overturning ability of the lifting plate 201 are enhanced.
[0027] With reference to Figure 3 The surfaces of the two slide rods 6 and the two sides of the lifting plate 201 are both provided with limiting holes 7, the inner walls of the limiting holes 7 are threadedly connected with positioning pins 8, the surfaces of the positioning pins 8 are threadedly connected with the inner walls of the limiting holes 7, through the limiting holes 7 and the positioning pins 8, a mechanical manual locking function is provided, the user can adjust the lifting plate 201 to the appropriate position and then screw in the positioning pins 8 according to the actual height requirement of the goods, so that the positioning pins 8 are embedded in the corresponding limiting holes 7 of the slide rods 6 and the lifting plate 201, a rigid connection is formed, accidental sliding of the lifting plate 201 caused by load mutation or external force impact is prevented, and safety is enhanced.
[0028] With reference to Figure 1 And Figure 4 The top of the platform 1 is fixedly connected with bases 9, the number of the bases 9 is two, the two ends of the push handle 3 are both rotationally connected to the inner walls of the two bases 9, nylon sleeves 10 are slidingly sleeved on the surfaces of the two bases 9 and the two ends of the push handle 3, through the bases 9 and the nylon sleeves 10, the bases 9 provide rotation fulcrums for the push handle 3, so that the push handle 3 can be switched between the unfolded state and the folded storage state, storage and transportation space is saved, the nylon sleeves 10 are wrapped outside the rotation connecting parts, a physical barrier is formed, dust and other small sundries are prevented from entering the connecting gap between the rotation shaft of the push handle 3 and the base 9, a protection effect is achieved, and rotation jamming caused by dirt accumulation is prevented.
[0029] Working principle: when the user needs to carry different kinds of goods, according to the height, volume and fragile degree of the goods to be transported, the user can start the motor 209 through the external control switch, the motor 209 is powered through the external power supply, the output end of the motor 209 drives the worm 208 to rotate, the worm 208 drives the meshed worm gear 207 to rotate, the worm gear 207 drives the rotating rod 203 to rotate, the rotating rod 203 drives the eccentric plate 204 to rotate synchronously, the roller 205 is always embedded in the C-shaped groove 5 in the bottom of the lifting plate 201 The inner wall of the guide frame 206, under the eccentric action, the roller 205 moves along the inner wall of the C-shaped groove 5 and generates a vertical reciprocating thrust, so as to smoothly push the lifting plate 201 to lift along the path of the two slide rods 6, or slowly descend when rotating in the opposite direction, when the lifting plate 201 reaches the required height, the user can manually rotate the positioning pin 8 into the limiting hole 7 aligned with the slide rod 6 and the lifting plate 201, and form a mechanical rigid connection through the thread locking, even if the motor 209 is powered off or encounters external force impact, the lifting plate 201 will not accidentally slide down, ensuring the safety of the goods, at the same time, when the motor 209 stops working, no matter what height the lifting plate 201 is at, through the meshing of the worm 208 and the worm gear 207, the lifting plate 201 cannot drive the worm 208 to rotate in the opposite direction, the whole transmission chain is locked, the lifting plate 201 is stably kept at the current position, the user can place the fragile or isolated objects on the platform 1 bottom layer and the lifting plate 201 upper layer respectively, realize partitioned and classified loading, after the work is finished, loosen the positioning pin 8, control the motor 209 to reverse, make the lifting plate 201 reset, then push the nylon sleeve 10 upwards, fold the push hand 3 downwards and fit the platform 1, save the storage space.
[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A trolley with changeable cargo space comprising a platform (1), characterised in that: The top of the platform (1) is provided with a push hand (3), and the top of the platform (1) is provided with a space adjusting mechanism (2); The space adjusting mechanism (2) comprises a lifting plate (201) arranged on the top of the platform (1), both sides of the platform (1) are fixedly connected with positioning plates (202), one end of each of the two positioning plates (202) is rotatably connected with a rotating rod (203), one end of each of the two rotating rods (203) is fixedly connected with an eccentric plate (204), one end of each of the two eccentric plates (204) is rotatably connected with a roller (205), the bottom of the lifting plate (201) is fixedly connected with guide frames (206), the number of the guide frames (206) is two, the two guide frames (206) are used in cooperation with the two eccentric plates (204) and the rollers (205), the other end of the rotating rod (203) is fixedly connected with a worm wheel (207), one side of the positioning plate (202) is provided with a worm (208), the surface of the worm wheel (207) is engaged with the surface of the worm (208), one side of the positioning plate (202) is provided with a motor (209), and the output end of the motor (209) is fixedly connected with one end of the worm (208).
2. A cart with changeable stacking space according to claim 1, characterized in that: One side of each of the two positioning plates (202) is fixedly connected with an outer shell (4), and the worm wheel (207) and the worm (208) are rotatably connected to the inner wall of the outer shell (4). The worm wheel (207) and the worm (208) are rotatably connected to one side of the positioning plate (202) through the outer shell (4). The bottom of the motor (209) is fixedly connected to the inner wall of the outer shell (4), and the motor (209) is fixedly connected to one side of the positioning plate (202) through the outer shell (4).
3. A cart with changeable stacking space according to claim 1, characterized in that: The inner wall of each of the two guide frames (206) is provided with a C-shaped groove (5), and the inner wall of the C-shaped groove (5) is in contact with the surface of the roller (205).
4. A cart with changeable stacking space according to claim 1, characterized in that: The top of the platform (1) is fixedly connected with slide rods (6), the number of the slide rods (6) is two, the inner wall of the lifting plate (201) is in contact with the surface of the two slide rods (6), and the lifting plate (201) is slidably connected to the top of the platform (1) through the space adjusting mechanism (2) and the slide rods (6).
5. A cart with variable stacking space according to claim 4, characterized in that: The surface of each of the two slide rods (6) and the two sides of the lifting plate (201) are provided with limiting holes (7), and the inner wall of the limiting hole (7) is threadedly connected with a positioning pin (8), and the surface of the positioning pin (8) is threadedly connected with the inner wall of the limiting hole (7).
6. A cart with variable stacking space according to claim 1, characterized in that: The top of the platform (1) is fixedly connected with bases (9), the number of the bases (9) is two, both ends of the push hand (3) are rotatably connected to the inner walls of the two bases (9) through rotating shafts, and nylon sleeves (10) are slidably arranged on the surfaces of the two bases (9) and the two ends of the push hand (3).