CN221113924U - Steering system of folding trailer assembly type - Google Patents
Steering system of folding trailer assembly type Download PDFInfo
- Publication number
- CN221113924U CN221113924U CN202322663114.1U CN202322663114U CN221113924U CN 221113924 U CN221113924 U CN 221113924U CN 202322663114 U CN202322663114 U CN 202322663114U CN 221113924 U CN221113924 U CN 221113924U
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- rod
- linkage
- steering system
- driving wheels
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/02—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving parts being adjustable, collapsible, attachable, detachable or convertible
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The application discloses a folding trailer assembled steering system, which comprises: the folding trailer comprises two driving wheels, wherein a supporting seat is arranged above each driving wheel, a supporting rod assembly is arranged between the two supporting seats, a steering rod assembly is movably connected in the middle of the supporting rod assembly, a linkage piece is arranged at least at the same end between the two driving wheels, the bottom of the steering rod assembly is at least connected with one linkage piece, the supporting seat is further provided with an assembly piece, the folding trailer can be divided into two independent assemblies in an assembled mode, the two independent assemblies are distributed independently, the replacement cost of a user can be reduced at the later stage, and meanwhile, the linkage piece is arranged between the two driving wheels, so that the synchronous steering of the driving wheels is controlled.
Description
Technical Field
The utility model relates to the technical field of trailers, in particular to a steering system assembled by a folding trailer.
Background
The foldable trailer is a foldable and draggable carrying vehicle, is convenient to store and store due to simple use and can be widely applied to outdoor activities or short-distance transportation when carrying things.
At present, the existing trailer, whether folding or not, is usually all to adopt the fork universal wheel, so as to turn, the fork universal wheel is more convenient and laborsaving in turning relative to traditional straight fork universal wheel (the wheel axle and the rotating shaft are on the same vertical line) because of its structural design (the wheel axle and the rotating shaft are not on the same vertical line), but also, because it is free turning, can also be more difficult to control relative to the straight fork universal wheel in control of the same, especially on the road surface of load and slope, at this moment, the fork universal wheel can rotate along with the direction of the downward sliding force because of the influence of the downward sliding force, just can only be pulled out from the opposite direction because of the influence of the downward sliding force, bring inconvenience to the use in order to avoid the trailer direction, and the trailer is usually when the road surface is rugged, can lead to the fork universal wheel when being extruded by the uneven place of road surface because of the free activity characteristic of fork universal wheel, the circumstances of turning appears by oneself, though can make the fork universal wheel forward effort through increasing, the effect of the fork universal wheel is just being in the condition of the extrusion of the universal wheel is in the direction of the downward sliding, the trailer is greatly influenced by the expansion, the condition of the expansion of the condition is greatly applied when the trailer is greatly influenced by the situation of the resistance of the condition of the oblique direction, and the condition of the expansion of the condition is greatly has been greatly influenced.
Accordingly, there is a need to design a folding trailer-mounted steering system that overcomes one or more of the above-described deficiencies of the prior art.
Disclosure of utility model
The technical scheme adopted by the utility model for solving the technical problems is as follows: a folding trailer-mounted steering system, comprising: the automatic steering device comprises two driving wheels, wherein a supporting seat is arranged above each driving wheel, a supporting rod assembly is arranged between the two supporting seats, a steering rod assembly is movably connected to the middle of each supporting rod assembly, a linkage piece is arranged between the two driving wheels and used for enabling rotation of the two driving wheels to be synchronous, the bottom of each steering rod assembly is at least connected with one linkage piece, the steering rod assembly drives the linkage piece to move, the linkage piece drives the two driving wheels to synchronously move, and a fitting part which is detachably connected with an external trailer is further arranged on each supporting seat.
In a preferred embodiment, the support bar assembly includes: a first brace and a second brace; one end of the first stay bar is rotationally connected with one of the supporting seats, one end of the second stay bar is rotationally connected with the other supporting seat, one end of the first stay bar, which is far away from the supporting seat, is connected together through a connecting sleeve, the first stay bar and the second stay bar can rotate relative to the connecting sleeve, and the steering rod assembly is movably arranged on one side of the connecting sleeve.
In a preferred embodiment, the first supporting rod and the second supporting rod are respectively fixedly embedded with synchronous teeth at one end far away from the supporting seat, the two synchronous teeth are meshed, and the top surface of the connecting sleeve piece is provided with a avoidance position.
In a preferred embodiment, a shaft sleeve is fixedly arranged on one side of the connecting sleeve, the bottom of the steering rod assembly penetrates through the shaft sleeve and is in rotary connection with the shaft sleeve, and the steering rod assembly can horizontally rotate relative to the shaft sleeve.
In a preferred embodiment, the steering rod assembly comprises: the movable head is arranged in the shaft sleeve in a penetrating mode, a transmission rod is fixedly arranged at the bottom of the movable head, one end, away from the movable head, of the transmission rod is connected with the linkage in a rotating mode, a direction pull rod is connected to the top of the movable head in a rotating mode, and the direction pull rod is arranged in a telescopic mode.
In a preferred embodiment, a reinforcing member is embedded in one end of the direction pull rod connected with the movable head, and the reinforcing member is rotatably connected with the movable head.
In a preferred embodiment, a sleeve is further arranged on the outer side of the direction pull rod, and the outer circle of the sleeve is circular.
In a preferred embodiment, one ends of the two driving wheels in the same direction are respectively provided with a wheel swing arm, the linkage piece is a hard structural piece, the number of the linkage piece is one, and two ends of the linkage piece are respectively connected with the corresponding wheel swing arms in a rotating way.
In a preferred embodiment, two ends of each driving wheel are respectively provided with a wheel swing arm, the linkage members are flexible structural members, the number of the linkage members is two, and each linkage member connects the two wheel swing arms at the same end together.
In a preferred embodiment, the rotation axis of the steering linkage is aligned with the rotation axis of the drive wheel.
In a preferred embodiment, two of said drive wheels are connected to a controller and a power source electrically connected to said controller.
In a preferred embodiment, one of the support seats is provided with an electrically controlled steering device, the output end of which is rotatably connected to the driving wheel via a connecting piece for controlling the rotation of the driving wheel.
The beneficial effects of the utility model are as follows: through the mode of assembled, make folding trailer can divide into two solitary suites, sell alone, can be at the effectual replacement cost who reduces the user in later stage, be equipped with the linkage between two drive wheels simultaneously, the motion that the linkage passes through the steering yoke subassembly is driven, thereby the steering of control drive wheel, and reasonable structural design, and simple structure, and convenient operation, simultaneously through the setting of linkage, the drive wheel can directly adopt straight fork universal wheel, the use of messenger folding trailer is safer, it is more stable to travel, accurate steering control, make folding trailer brought bigger scalability, have great market perspective.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the driving wheel of the present utility model;
FIG. 3 is a schematic view of the support rod assembly of the present utility model;
FIG. 4 is a cross-sectional view of the brace assembly of the present utility model;
FIG. 5 is an exploded view of the steering rod assembly of the present utility model;
FIG. 6 is a schematic view of the present utility model mated with an external vehicle body.
In the figure:
10. A driving wheel; 101. a wheel swing arm; 11. a support base; 12. a support rod assembly; 121. a first stay; 122. a second stay bar; 123. a connection kit; 124. avoidance of yielding; 125. a shaft sleeve; 126. synchronizing teeth; 13. a steering rod assembly; 131. a movable head; 132. a transmission rod; 133. a direction pull rod; 134. a reinforcing member; 135. a sleeve; 14. a fitting; 15. a linkage member; 16. an electric control steering device.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
As shown in fig. 1 to 6, the present utility model provides a folding trailer-mounted steering system, comprising: the two driving wheels 10 are provided with a supporting seat 11 above each driving wheel 10, a supporting rod assembly 12 is arranged between the two supporting seats 11, a steering rod assembly 13 is movably connected in the middle of the supporting rod assembly 12, a linkage piece 15 is arranged between the two driving wheels 10, the linkage piece 15 is used for synchronizing the rotation of the two driving wheels 10, the bottom of the steering rod assembly 13 is at least connected with one linkage piece 15, the steering rod assembly 13 drives the linkage piece 15 to move, the linkage piece 15 drives the two driving wheels 10 to synchronously move, and the supporting seat 11 is also provided with an assembly piece 14 which is detachably connected with an external trailer;
Specifically, two driving wheels 10 are provided, and the two driving wheels 10 are wheels with in-wheel motors inside, and can rotate by themselves after being powered on, and can refer to a power wheel of an electric bicycle or a power wheel of an electric wheelchair; the upper part of each driving wheel 10 is provided with a supporting seat 11, the supporting seat 11 is in rotary connection with the driving wheels 10, the driving wheels 10 can horizontally rotate relative to the supporting seat 11, a supporting rod assembly 12 is jointly connected between the two supporting seats 11, the supporting rod assembly 12 is in rotary connection with the supporting seat 11, the supporting rod assembly 12 can vertically rotate relative to the supporting seat 11, when the two driving wheels 10 are mutually close, the supporting rod assembly 12 is upwards rotated on the supporting seat 11 so as to avoid limiting the close of the two driving wheels 10, meanwhile, the supporting rod assembly 12 is also used for supporting the action of a direction rod assembly 13, the direction rod assembly 13 is movably connected with the middle part of the supporting rod assembly 12, the movable mode is that the two driving wheels 10 are in situ rotated, the two driving wheels 10 are connected together through a linkage 15, the action of the linkage 15 is that the rotation of the two driving wheels 10 is synchronous, namely, when one driving wheel 10 rotates, the other driving wheel 10 can synchronously rotate in the same direction through the linkage 15, the bottom of the direction rod assembly 13 is connected with the linkage 15, when the direction rod assembly 13 rotates, the linkage 15 can drive the two driving wheels 13 to move in the same direction, or at least one driving wheel 13 can be directly driven by the linkage 15, and the two driving wheels 13 can be driven to move in the same direction; the support seat 11 is further provided with an assembly part 14 used for being connected with an external vehicle body, the support seat 11 can be detachably connected with an external vehicle body support connecting seat through the assembly part 14, the assembly part 14 can be of a quick-dismantling structure or a plug-in column structure, the folding trailer is divided into two independent sleeve parts in an assembling mode, when a later user needs to replace, the required parts can be directly replaced according to the requirement, and the replacement cost of the user is greatly reduced.
It should be noted that, since the driving wheel 10 is connected together through the linkage 15, the rotation of the driving wheel 10 is rotated by the movement of the linkage 15, that is, the driving wheel 10 cannot rotate when the linkage 15 does not move, so that the driving wheel can be set into a straight fork universal wheel, which can be more stable and cannot rotate freely relative to the inclined fork universal wheel in the driving process, and can rotate only when receiving the force in a specific direction, thus greatly improving the use safety.
Further, the support pole assembly 12 includes: a first stay 121, a second stay 122; one end of the first stay bar 121 is rotatably connected with one of the supporting seats 11, one end of the second stay bar 122 is rotatably connected with the other supporting seat 11, one ends of the first stay bar 121 and the second stay bar 122, which are far away from the supporting seat 11, are connected together through a connecting sleeve 123, the first stay bar 121 and the second stay bar 122 can rotate relative to the connecting sleeve 123, and the steering rod assembly 13 is movably arranged on one side of the connecting sleeve 123;
Specifically, the first supporting rod 121 and the second supporting rod 122 are respectively and independently connected with the two supporting seats 11 in a rotating manner, the first supporting rod 121 and the second supporting rod 122 can respectively and correspondingly rotate up and down relative to the corresponding supporting seats 11, meanwhile, one ends of the first supporting rod 121 and the second supporting rod 122, which are far away from the supporting seats 11, are connected together through the connecting sleeve 123, the first supporting rod 121 and the second supporting rod 122 are respectively connected with the connecting sleeve 123 in a rotating manner, so that the first supporting rod 121 and the second supporting rod 122 can rotate under extrusion when the driving wheels 10 are mutually closed, the whole folding of the supporting rod assembly 12 is realized, the closing of the driving wheels 10 is avoided, and when the supporting rod assembly 12 rotates, the steering rod assembly 13 connected with the connecting sleeve 123 can be driven to ascend or descend, and the steering rod assembly 13 is driven to ascend or descend the linkage 15.
Further, the ends of the first stay bar 121 and the second stay bar 122 far away from the supporting seat 11 are respectively and fixedly embedded with a synchronous tooth 126, the two synchronous teeth 126 are engaged, and a avoidance position is formed on the top surface of the connecting sleeve 123;
Specifically, because the first supporting rod 121 and the second supporting rod 122 are connected together through the connecting sleeve 123 and are not directly connected, when the first supporting rod 121 and the second supporting rod 122 rotate, the connecting sleeve 123 is in a non-horizontal state due to inconsistent rotation angles, so that the situation that the steering rod assembly 13 connected with the connecting sleeve 123 inclines can affect normal use, therefore, the adjacent end parts of the first supporting rod 121 and the second supporting rod 122 are fixedly embedded with the synchronous teeth 126 respectively, the two synchronous teeth 126 are in an engaged state, the synchronous rotation of the first supporting rod 121 and the second supporting rod 122 is realized through the engagement of the two synchronous teeth 126, and the angles are the same, so that the steering rod assembly 13 can always be in a vertical state, and meanwhile, the end parts of the synchronous teeth 126 cannot contact with the top wall of the connecting sleeve 123 after the first supporting rod 121 and the second supporting rod 122 are folded, in order to avoid the limitation of the connecting sleeve 123, the first supporting rod 121 and the second supporting rod 122 rotate, and the first supporting rod 122 can be prevented from rotating by the limit of the connecting sleeve 123, and the first supporting rod 122 and the second supporting rod 122 can be prevented from rotating by the synchronous teeth 124 when the first supporting rod 123 and the second supporting rod 122 are further extended out of the connecting sleeve 124.
It should be noted that the first and second struts 121 and 122 are in a non-horizontal state for facilitating the subsequent operations, so that it is not necessary to lift the first and second struts 121 and 122 first when the first and second struts 121 and 122 are required to rotate.
Further, in this embodiment, a shaft sleeve 125 is fixedly disposed on one side of the connection sleeve 123, the bottom of the steering rod assembly 13 is disposed in the shaft sleeve 125 in a penetrating manner, and is rotatably connected to the shaft sleeve 125, and the steering rod assembly 13 can rotate horizontally relative to the shaft sleeve 125;
Specifically, in order to avoid affecting the setting of the synchronizing teeth 126, an integrally formed shaft sleeve 125 is disposed on an outer wall of one side of the connecting sleeve 123, the bottom of the steering rod assembly 13 is inserted into the shaft sleeve 125, and the bottom of the steering rod assembly 13 is rotatably connected with the shaft sleeve 125 through a bearing, so that the steering rod assembly 13 can rotate horizontally relative to the connecting sleeve 123. If the synchronizing teeth 126 are not provided, the steering rod assembly 13 can be directly inserted into the connecting sleeve 123.
Further, the steering rod assembly 13 includes: the movable head 131 is arranged in the shaft sleeve 125 in a penetrating way, a transmission rod 132 is fixedly arranged at the bottom of the movable head 131, one end, away from the movable head 131, of the transmission rod 132 is rotationally connected with the linkage piece 15, a direction pull rod 133 is rotationally connected to the top of the movable head 131, and the direction pull rod 133 is in telescopic arrangement;
Specifically, the steering rod assembly 13 includes: the movable head 131, the movable head 131 wears to locate in the axle sleeve 125, and rotate through the bearing with the connection external member 123 and be connected, the bottom fixedly connected with transfer line 132 of movable head 131, this transfer line 132 is the outside extension form of level, and the one end that the movable head 131 was kept away from to transfer line 132 is connected with the linkage 15, the top and the direction pull rod 133 of movable head 131 rotate and are connected, the direction pull rod 133 can rotate on vertical relatively movable head 131, the vertical rotation of direction pull rod 133 can be more convenient for promote laborsaving when dragging, and the direction pull rod 133 can drive movable head 131 relative connection external member 123 pivot, wherein the direction pull rod 133 is telescopic structural design, this structure is ordinary common structure, so do not make the details here.
It should be noted that the direction pull rod 133 may be circular or elliptical, and in this embodiment, an elliptical shape is preferred, so that the production chain of the product is formed and the production cost is reduced because the pull rods of the folding trailers on the market are all elliptical.
Further, a reinforcement 134 is embedded in one end of the direction pull rod 133 connected with the movable head 131, and the reinforcement 134 is rotatably connected with the movable head 131;
Specifically, in this embodiment, because the direction pull rod 133 is elliptical, and the bottom of the direction pull rod 133 is rotationally connected with the movable head 131, for improving the strength of the direction pull rod 133 during use, a reinforcement 134 is further embedded in the bottom of the direction pull rod 133, the reinforcement 134 is rotationally connected with the movable head 131, and the direction pull rod 133 is rotationally connected with the movable head 131 through the reinforcement 134, so that the service strength of the joint is improved, and the service life is prolonged.
Further, a sleeve 135 is further disposed on the outer side of the direction pull rod 133, and an outer circle of the sleeve 135 is circular;
Specifically, one end of the existing folding cart body is usually provided with a clamp for limiting the direction pull rod 133, in this embodiment, in order to facilitate that the folding cart body can be fixed on the direction pull rod 133 and can rotate on the folding cart body to control the direction of the driving wheel 10, the outer side of the direction pull rod 133 is also provided with a sleeve 135, the outer circle of the sleeve 135 is circular, when the direction pull rod 133 rotates in the clamp, the sleeve 135 rotates along with the sleeve 135, and no matter how much angle the sleeve 135 rotates, the sleeve is limited by the clamp, so that the direction pull rod 133 can be effectively prevented from being separated from the clamp when rotating, wherein the length of the sleeve 135 depends on the lifting height of the folding cart body when the direction pull rod 133 is folded.
It should be noted that the sleeve 135 need not be provided if the direction rod 133 is circular.
Further, in one embodiment, one ends of the two driving wheels 10 in the same direction are respectively provided with a wheel swing arm 101, the linkage members 15 are hard structural members, the number of the linkage members 15 is one, and two ends of the linkage members 15 are respectively connected with the corresponding wheel swing arms 101 in a rotating manner;
Specifically, the linkage member 15 has two structures, according to the number of the linkage members 15, one of the two structures is that the number of the linkage members 15 is one, and the linkage member 15 is made of a hard structural member, such as aluminum alloy, iron, steel or plastic, and the like, and is not easy to deform.
Further, in another embodiment, two ends of each driving wheel 10 are respectively provided with a wheel swing arm 101, the linkage members 15 are flexible structural members, the number of the linkage members 15 is two, and each linkage member 15 connects two wheel swing arms 101 at the same end together;
Specifically, another way of the linkage member 15 is that two linkage members 15 are provided, and the linkage member 15 is a flexible structural member, such as a steel wire, a steel wire rope or a braided rope, which is easily deformed, in this way, two ends of each driving wheel 10 are respectively provided with a wheel swing arm 101, two linkage members 15 are respectively located at two ends of two driving wheels 10 and respectively connected with corresponding wheel swing arms 101, and a transmission rod 132 needs to be connected with at least one of the linkage members 15, when the transmission rod 132 swings left and right, the linkage member 15 connected with the transmission rod is driven to move, wherein because the linkage member 15 is flexible, i.e. can not generate thrust, the linkage member can only drive one driving wheel 10 to rotate through the pulling force generated when the transmission rod 132 moves, at this moment, because the two driving wheels 10 are also connected together through the other linkage member 15, when one driving wheel 10 rotates, the other driving wheel 10 is driven to rotate through the other linkage member 15, and further synchronous movement of the two driving wheels 10 is realized, and because the transmission rod 132 is flexible, when the transmission rod 132 swings left and right, the two driving wheels can be prevented from being deformed, and the two driving wheels can be automatically deformed, and the two driving wheels can be prevented from being deformed and deformed.
Further, in the above two modes, the rotation axis of the direction pull rod 133 and the rotation axis of the driving wheel 10 are located on the same straight line;
Specifically, since the motion mode of the transmission rod 132 moves in an arc shape left and right, and both embodiments of the linkage member 15 move in a straight line, in order to ensure that no motion conflict exists between the transmission rod 132 and the linkage member 15, the rotation axis of the direction pull rod 133 needs to be in the same straight line with the rotation axis of the driving wheel 10 at the same end, under this condition, since the transmission rod 132 is equal to the wheel swing arm 101, no motion conflict exists at this time, otherwise, a chute needs to be formed on the transmission rod 132, so that the relative position of the linkage member 15 and the transmission rod 132 can be changed.
It should be noted that, if the linkage member 15 is in a flexible structure, and two ends of the transmission rod 132 are respectively connected with the corresponding linkage member 15, the three are not required to be on the same line, and a chute is not required to be formed, but the requirement of forming a parallelogram between the wheel swing arms 101 of the two driving wheels 10 and the transmission rod 132 is required to be satisfied.
Further, in the present embodiment, two of the driving wheels 10 are connected to a controller and a power source electrically connected to the controller;
Specifically, in order to make the use of the folding trailer more labor-saving, the hand-pulled trailer can be set as an electric power-assisted trailer, and only the driving wheel 10 is required to be connected with a controller and a power supply, and the power supply is electrically connected with the controller, so that the driving wheel 10 is driven under the control of the controller; meanwhile, a control key (not shown in the figure) for controlling the speed and starting and stopping can be arranged on the direction pull rod 133, and the control key is also electrically connected with the controller, so that electric power assisting can be realized.
It should be noted that, the circuit control adopts the conventional technology, and reference can be made to the control distance of the electric bicycle, so that the description is omitted here.
Further, one of the supporting seats 11 is provided with an electric control steering device 16, and an output end of the electric control steering device 16 is rotationally connected with the driving wheel 10 through a connecting piece and is used for controlling the rotation of the driving wheel 10;
Specifically, in order to realize the remote control function, an electric control steering device 16 may be further installed on one of the support seats 11, the output end of the electric control steering device 16 may make a left-right swinging motion, the output end of the electric control steering device 16 is rotationally connected with the wheel swing arm 101 of one of the power wheels, the electric control steering device 16 is further electrically connected with a controller, and the controller may receive an external control signal to control the operation of the electric control steering device 16, so as to realize the remote control effect.
It should be noted that the electrically controlled steering device 16 may also be directly connected to the linkage 15 to control the steering of the driving wheel 10.
In summary, the folding trailer can be divided into two independent suites through the assembly mode, and is distributed independently, so that the replacement cost of a user can be effectively reduced in the later period, meanwhile, the linkage piece 15 is arranged between the two driving wheels 10, and the linkage piece 15 is driven through the movement of the steering rod assembly 13, so that the steering of the driving wheels 10 is controlled, the structure design is reasonable, the structure is simple, the operation is convenient, meanwhile, the driving wheels 10 can directly adopt straight-fork universal wheels through the arrangement of the linkage piece 15, the folding trailer is safer to use, the running is more stable, the steering is accurately controlled, the folding trailer has larger expandability, and the folding trailer has larger market application prospect.
The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (12)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663114.1U CN221113924U (en) | 2023-09-28 | 2023-09-28 | Steering system of folding trailer assembly type |
| PCT/CN2024/121861 WO2025067463A1 (en) | 2023-09-28 | 2024-09-27 | Assemblable steering system for collapsible wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663114.1U CN221113924U (en) | 2023-09-28 | 2023-09-28 | Steering system of folding trailer assembly type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221113924U true CN221113924U (en) | 2024-06-11 |
Family
ID=91339953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322663114.1U Active CN221113924U (en) | 2023-09-28 | 2023-09-28 | Steering system of folding trailer assembly type |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN221113924U (en) |
| WO (1) | WO2025067463A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025067463A1 (en) * | 2023-09-28 | 2025-04-03 | 深圳市云睿物联科技有限公司 | Assemblable steering system for collapsible wagon |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2787756A1 (en) * | 1998-12-24 | 2000-06-30 | Francis Cayuela | Transport trolley for fishermen comprises two telescopic chassis sections with two levels of platform and has inflatable wheels with removable pull bar connected to axle. |
| US10583852B2 (en) * | 2016-11-02 | 2020-03-10 | Radio Flyer Inc. | Foldable wagon |
| DE202020102799U1 (en) * | 2020-05-17 | 2020-05-29 | Qingdao Tmz Tools Co., Ltd. | Foldable handcart with simultaneously braked rear wheels |
| CN116461586A (en) * | 2023-05-18 | 2023-07-21 | 深圳市云睿物联科技有限公司 | A foldable electric trailer with sliding wheels |
| CN221113924U (en) * | 2023-09-28 | 2024-06-11 | 深圳市云睿物联科技有限公司 | Steering system of folding trailer assembly type |
-
2023
- 2023-09-28 CN CN202322663114.1U patent/CN221113924U/en active Active
-
2024
- 2024-09-27 WO PCT/CN2024/121861 patent/WO2025067463A1/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025067463A1 (en) * | 2023-09-28 | 2025-04-03 | 深圳市云睿物联科技有限公司 | Assemblable steering system for collapsible wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025067463A1 (en) | 2025-04-03 |
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