CN215904553U - Shallow that freely turns to - Google Patents
Shallow that freely turns to Download PDFInfo
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- CN215904553U CN215904553U CN202122589897.4U CN202122589897U CN215904553U CN 215904553 U CN215904553 U CN 215904553U CN 202122589897 U CN202122589897 U CN 202122589897U CN 215904553 U CN215904553 U CN 215904553U
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Abstract
The utility model provides a freely steerable cart, comprising: the device comprises a rack, a first hub motor and a second hub motor are respectively arranged on two sides of the bottom of the rack; a battery pack assembly mounted on the frame; control assembly installs in the frame, and with first in-wheel motor with the second in-wheel motor electricity is connected, is used for control first in-wheel motor with the second in-wheel motor turns to, control assembly includes: a bracket in which a control panel is installed; and the steering switch is arranged on the support and connected with the control panel, and the steering switch is used for controlling the steering of the first in-wheel motor and the second in-wheel motor. The utility model enables the cart to quickly and conveniently realize the steering function in a narrow space or under the condition of being filled with heavy objects, and the steering process of the cart is convenient and labor-saving.
Description
Technical Field
The utility model belongs to the technical field of transport tools, and particularly relates to a freely-steering cart.
Background
In modern life, various trolleys are needed, such as sheets, covers and sundries used for carrying leftovers or changed and washed by residents by service personnel in hotels, and yellow sand, cement, bricks and the like used for carrying workers on construction sites, so that the trolleys greatly facilitate the life of people, but the trolleys in the market basically have no function of steering control, only can be laterally stressed by manpower to push universal wheels to rotate, and achieve the purpose of steering; when the cart is loaded with heavy objects, the cart needs to be pushed by a large force when the cart wants to turn, and people are easy to feel tired; or in a narrow space, the force is laterally exerted by manpower to push the cart to steer, the force is sometimes inaccurately controlled, the cart cannot smoothly steer to a required angle, and the time and the labor are required to be repeatedly adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a freely-steering trolley, which aims to solve the problems that when the trolley is steered after being loaded with heavy objects, the trolley needs to be pushed with large force, so that people are easy to feel tired, and in a narrow space, the trolley is pushed to steer by exerting force laterally by manpower, the force is inaccurate to control sometimes, the trolley cannot smoothly steer to a required angle, and the time and the labor are consumed by repeatedly adjusting.
The utility model provides a freely steerable cart, comprising:
the device comprises a rack, a first hub motor and a second hub motor are respectively arranged on two sides of the bottom of the rack;
a battery pack assembly mounted on the frame;
control assembly installs in the frame, and with first in-wheel motor with the second in-wheel motor electricity is connected, is used for control first in-wheel motor with the second in-wheel motor turns to, control assembly includes: a bracket in which a control panel is installed; and the steering switch is arranged on the support and connected with the control panel, and the steering switch is used for controlling the steering of the first in-wheel motor and the second in-wheel motor.
In one embodiment of the utility model, the housing includes a push rod, and the control assembly is mounted on the push rod.
In one embodiment of the present invention,
the control assembly further comprises:
a steering handle mounted on the bracket;
and the main switch is arranged in the bracket, connected with the control panel and controlled by the steering handle.
In one embodiment of the present invention, the steering handle is connected to the bracket through a rotating shaft, and a return spring is sleeved on the rotating shaft.
In one embodiment of the utility model, three different gears, namely a left-turning gear, a middle gear and a right-turning gear, are set in the control board and are controlled by the steering switch.
In one embodiment of the utility model, at least one indicator light is further arranged on the control panel, and the indicator light is used for indicating the state of the steering switch.
In an embodiment of the present invention, the control board is further provided with three indicator lights, which respectively correspond to three different gears, namely the left-turn gear, the middle gear and the right-turn gear.
In one embodiment of the utility model, the steering switch further comprises a pressing plate, the pressing plate is fixedly connected with the bracket to fix the steering switch, and the indicator light is installed on the pressing plate.
In one embodiment of the utility model, the pressure plate is fixedly connected with the bracket by welding or buckling.
In one embodiment of the utility model, a control box is further mounted on the rack, and the control box is electrically connected with the control assembly through a signal line.
In one embodiment of the present invention, the first in-wheel motor and the second in-wheel motor have the same rotation speed.
In one embodiment of the utility model, the battery pack assembly comprises a battery box mounted on the frame and at least one battery pack mounted in the battery box.
The utility model provides a free-steering cart, which controls the steering of a first hub motor and a second hub motor at the bottom of a frame through a control assembly respectively, when the cart needs to turn, the first in-wheel motor and the second in-wheel motor are controlled by the control assembly to rotate in opposite directions at the same rotating speed, so that the purpose of in-situ steering of the cart is achieved, the situation that when the cart is loaded with heavy objects, the cart needs to be pushed by a great force to steer, and people are easy to feel tired is avoided, and in the space of a narrow point, the force is exerted laterally by manpower to push the cart to steer, the force is sometimes inaccurately controlled, the cart cannot be steered smoothly to a required angle, and need adjust the problem of consuming time and power repeatedly for turning to of this shallow is convenient and laborsaving, makes the realization that the shallow can be under narrow and small space or fill with under the condition of heavy object fast and convenient turn to the function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cart according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the cart at another angle in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a control assembly in the cart according to an embodiment of the present invention.
FIG. 4 is a front view of a control assembly in a cart in accordance with an embodiment of the present invention.
Fig. 5 is a schematic sectional view taken along a-a in fig. 4.
Fig. 6 is an exploded view of the control unit of the cart according to an embodiment of the present invention.
Fig. 7 is a circuit diagram illustrating the cart in the forward movement according to an embodiment of the present invention.
Fig. 8 is a circuit diagram illustrating a left turn of the cart according to an embodiment of the present invention.
Fig. 9 is a circuit diagram illustrating the cart turning to the right according to an embodiment of the present invention.
Description of reference numerals:
a frame 10; a first in-wheel motor 11; a second in-wheel motor 12; a base 101; a push rod 102; a box body 103; a battery pack assembly 20; a battery case 21; a battery pack 22; a control assembly 30; a bracket 31; a steering handle 32; a rotating shaft 321; a return spring 322; a main switch 33; a control panel 34; a steering switch 35; a platen 36; a first indicator lamp 371; a second indicator light 372; a third indicator lamp 373; a control box 38; a first signal line 381; a second signal line 382.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The present invention provides a free-steering cart, as shown in fig. 1 to 5, in this embodiment, the cart 100 includes a frame 10, a battery pack assembly 20 and a control assembly 30, and both the battery pack assembly 20 and the control assembly 30 are mounted on the frame 10.
As shown in fig. 1 and 2, in this embodiment, a first in-wheel motor 11 and a second in-wheel motor 12 are respectively installed on two sides of the bottom of the frame 10, the first in-wheel motor 11 and the second in-wheel motor 12 are connected to the control component 30, specifically, the frame 10 includes a base 101 and a push rod 102, the first in-wheel motor 11 and the second in-wheel motor 12 are installed on two sides of the bottom of the base 101, a box 103 is further installed on the base 101, and the control component 30 is installed on the push rod 102 to control the rotation direction of the first in-wheel motor 11 and the second in-wheel motor 12. It should be further noted that a battery pack assembly 20 is further installed on the frame 10 to provide a power source for the cart, in this embodiment, the battery pack assembly 20 includes a battery box 21 and at least one battery pack 22, the battery box 21 is installed on the frame 10, and at least one battery pack accommodating cavity is provided in the battery box 21 to install the battery pack 22 to provide a power source for the first in-wheel motor 11 and the second in-wheel motor 12.
As shown in fig. 1 and 2, in the present embodiment, when the first in-wheel motor 11 and the second in-wheel motor 12 rotate in the same direction, the cart is in a forward or backward movement state; when the first in-wheel motor 11 and the second in-wheel motor 12 rotate in different directions, the cart is in a left-turn or right-turn state, and it should be noted that the rotation speeds of the first in-wheel motor 11 and the second in-wheel motor 12 are the same, so that when the first in-wheel motor 11 and the second in-wheel motor 12 rotate in different directions to perform left-turn or right-turn, an in-situ turning process can be realized.
As shown in fig. 1 and 3 to 6, in the present embodiment, the control assembly 30 is mounted on the push rod 102 to control the first in-wheel motor 11 and the second in-wheel motor 12, specifically, the control assembly 30 includes a bracket 31, a steering handle 32, a main switch 33, a control board 34 and a steering switch 35, the bracket 31 is fixedly mounted on the push rod 102, the control board 34 is mounted inside the bracket 31, the main switch 33 is also mounted inside the bracket 31, the main switch 33 is electrically connected to the control board 34, the steering handle 32 is mounted on the bracket 31, the steering handle 32 is used to control the main switch 33, the steering switch 35 is mounted on the bracket 31 and electrically connected to the control board 34, the steering switch 35 is used to control the steering of the first in-wheel motor 11 and the second in-wheel motor 12, thereby controlling the steering of the cart.
As shown in fig. 1 and fig. 3 to fig. 6, in the present embodiment, the steering handle 32 is rotatably connected to the bracket 31 through a rotating shaft 321, that is, the rotating shaft 321 is rotatably mounted on the bracket 31, the steering handle 32 is mounted on the rotating shaft 321, and a return spring 322 is further sleeved on the rotating shaft 321, in an initial state, the steering handle 32 is in a state of pressing the main switch 33, the steering handle 32 is pulled to move away from the main switch 33 to release the main switch 33, and when the steering handle 32 is released, the steering handle 32 returns to an original position under the action of the return spring 322 to press the main switch 33 again.
As shown in fig. 1 and fig. 3 to fig. 6, in the present embodiment, three different shift lines, namely, a left shift position "L", a middle shift position "0", and a right shift position "R", are set on the control board 34, and switching is controlled by the steering switch 35, it should be noted that a pressing plate 36 is provided on the bracket 31, the pressing plate 36 is fixedly connected with the bracket 31, so as to fixedly mount the steering switch 35 on the bracket 31, and it should be noted that the pressing plate 36 is fixedly connected with the bracket 31 by welding or snapping. In this embodiment, the control board 34 is further provided with at least one indicator light, which is mounted on the pressing board 36 for indicating at least the current gear state of the cart.
As shown in fig. 1 and 3 to 6, in the present embodiment, the number of the indicator lamps is set to three, for example, as a first indicator lamp 371, a second indicator lamp 372 and a third indicator lamp 373, the first indicator lamp 371, the second indicator lamp 372 and the third indicator lamp 373 correspond to three different gears, namely, when the cart is in one of the left gear "L", the middle gear "0" and the right gear "R", the indicator lamp corresponding to the gear is turned on, and the remaining indicator lamps are turned off, for example, when the cart is in the left rotation state, the first indicator lamp 371 is turned on, and the middle gear "0" and the right gear "R" are turned off. Of course, in other embodiments, the number of the indicator lights may also be set as one indicator light capable of presenting different colors, for example, three different colors of red, green and yellow, each color corresponds to one of three different gears, namely, the left-turn gear "L", the middle gear "0" and the right-turn gear "R", and when the cart is in one of the left-turn gear "L", the middle gear "0" and the right-turn gear "R", the indicator light presents a color corresponding to the gear to remind the user.
As shown in fig. 1 and 3 to 6, it should be further noted that a control box 38 is further mounted on the bracket 31, the control box 38 is electrically connected to the control assembly 30 through a first signal line 381, and when the steering switch 35 is controlled to connect one of three different shift circuits, namely a left shift position "L", a middle shift position "0" and a right shift position "R", set in the control board 34, the control switch on the control box 38 is pressed to connect the whole driving circuit, so that the first in-wheel motor 11 and the second in-wheel motor 12 rotate in the same or opposite directions, so as to enable the cart to normally move forward or steer.
As shown in fig. 1, 6 and 7, in this embodiment, the steering switch 35 is, for example, a boat-shaped switch, the boat-shaped switch is provided with three different indicators, namely "L", "0" and "R", corresponding to three different shift lines, namely a left shift position "L", a middle shift position "0" and a right shift position "R", set in the control board 34, the indicators "L" and "R" are located at two sides of the boat-shaped switch, and the indicator "0" is located at a middle position of the boat-shaped switch, in this embodiment, after the battery pack 22 is inserted into the battery pack case 21 to provide a power source for the cart, in an initial state, the steering switch 35 is located at the indicator "0", and the steering handle 32 presses the main switch 33 under the elastic force of the return spring 322, so that the main switch 33 is in a pressed state, the control box 38 is transmitted with a signal through the first signal line 381, at this time, the main switch 33 is turned on by a "0" line, the control box 38 is transmitted with a signal through the second signal line 382, and the "L" lines of the rest left-turning gears and the "R" lines of the rest right-turning gears are all in an off state, at this time, the control switch on the control box 38 is pressed for a long time, the first in-wheel motor 11 and the second in-wheel motor 12 are started, and the turning directions of the first in-wheel motor 11 and the second in-wheel motor 12 are the same, so that the cart normally runs along a straight line, and the control switch on the control box 38 is released, so that the first in-wheel motor 11 and the second in-wheel motor 12 are turned off, and the cart stops running.
As shown in fig. 1, 6 and 8, in this embodiment, by pressing the steering handle 32, the steering handle 32 rotates around the rotating shaft 321 to be away from the main switch 33, so that the main switch 33 is not pressed, at this time, a signal is transmitted to the control box 38 through the first signal line 381, so that the main switch 33 is connected to the line "M" of the rocker switch, by adjusting the rocker switch to the position indicated by "L", at this time, the corresponding first indicator light 371 is lit to remind the user, at this time, a signal is transmitted to the control box 38 through the second signal line 382, the rocker switch is connected to the "L" line of the left shift position, at this time, the control switch on the control box 38 is pressed, the first in-wheel motor 11 rotates forward at the set speed, and the second in-wheel motor 12 rotates at the same speed in the opposite direction to the first in-wheel motor 11, when the purpose of turning the cart to the left in situ is achieved, and the control switch on the control box 38 is released when the cart is adjusted to the required turning angle, the first in-wheel motor 11 and the second in-wheel motor 12 are turned off, and the cart stops running.
As shown in fig. 1, 6 and 9, in this embodiment, by pressing the steering handle 32, the steering handle 32 rotates around the rotating shaft 321 to be away from the main switch 33, so that the main switch 33 is not pressed, at this time, a signal is transmitted to the control box 38 through the first signal line 381, so that the main switch 33 is connected to the line "M" of the rocker switch, by adjusting the rocker switch to the position indicated by the symbol "R", at this time, the corresponding third indicator lamp 373 lights up to remind the user, at this time, a signal is transmitted to the control box 38 through the second signal line 382, the rocker switch is connected to the "R" line of the right-turn position, at this time, according to the control switch on the control box 38, the time length is such that the second in-wheel motor 12 rotates forward at the set speed, and the first in-wheel motor 11 rotates at the same speed in the opposite direction to the second in-wheel motor 12, when the purpose of turning the cart to the right in situ is achieved, and the control switch on the control box 38 is released when the cart is adjusted to the required turning angle, the first in-wheel motor 11 and the second in-wheel motor 12 are turned off, and the cart stops running.
As shown in fig. 1 to 9, it should be noted that when the control switch on the control box 38 is pressed for a long time, and the cart suddenly needs to be steered during the running process in the normal running state, the boat-shaped switch is pressed to the left-turning gear "L" or the right-turning gear "R", and the steering handle 32 is pressed by hand, at this time, the control box 38 will firstly run the setting program, so that the first in-wheel motor 11 and the second in-wheel motor 12 are powered off, the operation is stopped, and when the cart is completely stopped, the steering function is executed, so as to protect the in-wheel motors from being damaged.
The utility model provides a freely-steering cart, which is characterized in that steering of a first hub motor and a second hub motor at the bottom of a rack is respectively controlled by a control component, when the first hub motor and the second hub motor rotate in the same direction, the cart is in a forward or backward state, when the first hub motor and the second hub motor rotate in opposite directions, the cart is in a left-turn or right-turn state, the rotating speeds of the first hub motor and the second hub motor are the same, when the cart needs to be steered, the first hub motor and the second hub motor are controlled by the control component to rotate in opposite directions at the same rotating speed, so that the purpose of in-situ steering of the cart is achieved, the situation that when the cart is loaded with heavy objects, the cart needs to be pushed with great force when being steered, fatigue is easy to feel, and the space of narrow points is avoided, the cart is pushed to turn by applying force laterally by manpower, the force is sometimes inaccurate to control, the cart cannot smoothly turn to a required angle, and the problem of time and labor consumption needs to be repeatedly adjusted, so that the cart is convenient and labor-saving to turn, and the cart can quickly and conveniently turn in a narrow space or under the condition of being filled with heavy objects.
The above description is only a preferred embodiment of the present application and the explanation of the technical principle used, and it should be understood by those skilled in the art that the scope of the present application is not limited to the technical solution of the specific combination of the above technical features, and also covers other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept, for example, the technical solutions formed by mutually replacing the above technical features (but not limited to) having similar functions disclosed in the present application.
Other technical features than those described in the specification are known to those skilled in the art, and are not described herein in detail in order to highlight the innovative features of the present invention.
Claims (12)
1. A free-steering cart, comprising:
the device comprises a rack, a first hub motor and a second hub motor are respectively arranged on two sides of the bottom of the rack;
a battery pack assembly mounted on the frame;
control assembly installs in the frame, and with first in-wheel motor with the second in-wheel motor electricity is connected, is used for control first in-wheel motor with the second in-wheel motor turns to, control assembly includes: a bracket in which a control panel is installed; and the steering switch is arranged on the support and connected with the control panel, and the steering switch is used for controlling the steering of the first in-wheel motor and the second in-wheel motor.
2. The free-wheeling cart of claim 1, wherein the frame includes a push rod, the control assembly being mounted on the push rod.
3. The free-wheeling cart of claim 1, wherein the control assembly further comprises:
a steering handle mounted on the bracket;
and the main switch is arranged in the bracket, connected with the control panel and controlled by the steering handle.
4. The freely steerable cart of claim 3, wherein said steering handle is connected to said frame by a pivot shaft, and said pivot shaft is sleeved with a return spring.
5. The free-steering stroller as recited in claim 3, wherein three different gears, a left-turn gear, a middle gear and a right-turn gear, are set in the control panel and controlled by the steering switch.
6. The free-wheeling cart of claim 5, wherein at least one indicator light is also provided on the control panel and is used to indicate the status of the steering switch.
7. The freely steerable cart of claim 5, further comprising three indicator lights disposed on said control panel, each corresponding to three different gears, namely said left gear, said middle gear, and said right gear.
8. The free-wheeling cart of claim 6 or 7, further comprising a pressure plate fixedly connected to the bracket for securing the steering switch, and wherein the indicator light is mounted on the pressure plate.
9. The free-wheeling cart of claim 8, wherein the pressure plate is fixedly attached to the frame by welding or snapping.
10. The free-wheeling cart of claim 1, wherein a control box is further mounted to the frame, the control box being electrically connected to the control assembly via signal wires.
11. The free-wheeling cart of claim 1, wherein the first in-wheel motor and the second in-wheel motor are at the same rotational speed.
12. The free-wheeling cart of claim 1, wherein the battery pack assembly includes a battery compartment mounted on the frame and at least one battery pack mounted within the battery compartment.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122589897.4U CN215904553U (en) | 2021-10-26 | 2021-10-26 | Shallow that freely turns to |
| EP22872182.5A EP4397571A1 (en) | 2021-09-27 | 2022-09-26 | Handcart |
| PCT/CN2022/121221 WO2023046138A1 (en) | 2021-09-27 | 2022-09-26 | Handcart |
| US18/611,751 US20240227901A1 (en) | 2021-09-27 | 2024-03-21 | Walk-behind Cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122589897.4U CN215904553U (en) | 2021-10-26 | 2021-10-26 | Shallow that freely turns to |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215904553U true CN215904553U (en) | 2022-02-25 |
Family
ID=80313084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122589897.4U Active CN215904553U (en) | 2021-09-27 | 2021-10-26 | Shallow that freely turns to |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215904553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046138A1 (en) * | 2021-09-27 | 2023-03-30 | 格力博(江苏)股份有限公司 | Handcart |
-
2021
- 2021-10-26 CN CN202122589897.4U patent/CN215904553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023046138A1 (en) * | 2021-09-27 | 2023-03-30 | 格力博(江苏)股份有限公司 | Handcart |
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