CN113599839B

CN113599839B - Remote control truck

Info

Publication number: CN113599839B
Application number: CN202110830922.5A
Authority: CN
Inventors: 冯锐; 陈荣
Original assignee: Hangzhou Zt Model Co ltd
Current assignee: Hangzhou Zt Model Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2023-04-28
Anticipated expiration: 2041-07-22
Also published as: CN113599839A

Abstract

The invention relates to a remote control truck comprising: the frame module comprises two vehicle beams which are arranged at intervals; the damping structure comprises a damping part and a limiting part, wherein the limiting part is fixedly arranged on a vehicle beam, the damping part is arranged on the limiting part in a sliding manner, and at least one end of the damping part is provided with a sliding groove; the differential device comprises a shell, a bearing and a differential mechanism, wherein the shell is arranged on the damping piece, a containing cavity is formed in the shell, the bearing is movably arranged in the containing cavity, and the differential mechanism is arranged in the containing cavity in a suspending manner and can move in the vertical and horizontal directions; the locomotive module and the hopper module are detachably connected to the front end and the rear end of the beam. According to the technical scheme, the damping and sliding device is fixed on the vehicle beam through the limiting piece, the damping and sliding device is arranged on the limiting piece, and the damping piece is used for unloading force through sliding and deformation, so that the damping effect is good, the differential mechanism is arranged in the accommodating cavity in a suspended mode, the gears can relatively displace, the meshing state can be automatically adjusted, and the truck can stably steer.

Description

Remote control truck

Technical Field

The invention relates to the field of vehicle models, in particular to a remote control truck.

Background

With the improvement of life quality, model toys owned by teenagers are increasing, and remote control truck toys are deeply favored by teenagers over 14 years old. However, most of existing trucks are integrally formed and cannot be disassembled, so that a user lacks fun of manual disassembly and assembly when playing, and after a certain device fails, accessories cannot be replaced, so that the whole truck is scrapped. Secondly, the existing remote control trucks do not have damping structures, and the existing remote control trucks run unstably, jolt easily and even cause turning over in the playing process, so that the playing fun of people is influenced. In addition, gears of a differential mechanism on the existing remote control truck cannot move relatively and cannot adjust the rotation position autonomously, so that the steering effect of a vehicle is poor.

Disclosure of Invention

The invention aims to provide a remote control truck which has the characteristics of good damping effect, stable steering and the like and has good applicability.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a remote control truck comprising: the frame module comprises two vehicle beams which are arranged at intervals; the damping structure comprises a damping part and a limiting part, wherein the limiting part is fixedly arranged on the vehicle beam, the damping part is arranged on the limiting part in a sliding manner, and at least one end of the damping part is provided with a sliding groove; the differential device comprises a shell, a bearing and a differential mechanism, wherein the shell is arranged on the damping piece, a containing cavity is formed in the shell, the bearing is movably arranged in the containing cavity, and the differential mechanism is suspended in the containing cavity and can move in the vertical and horizontal directions; the vehicle head module and the vehicle hopper module are detachably connected to the front end and the rear end of the vehicle beam.

Preferably, the damping member includes a first plane portion, two arc surface portions and two second plane portions, the two arc surface portions are symmetrically arranged at two ends of the first plane portion, and the two second plane portions are symmetrically arranged at one ends of the two arc surface portions far away from the first plane portion; the chute is arranged on the second plane part.

Preferably, the sliding groove extends along the length direction of the shock absorbing member, and the width of one end of the sliding groove, which is close to the middle part of the shock absorbing member, is smaller than the width of one end of the sliding groove, which is far away from the middle part of the shock absorbing member.

Preferably, the limiting piece comprises a first limiting plate and a second limiting plate which are arranged on the left side surface and the right side surface of the vehicle beam, and a connecting plate connected between the first limiting plate and the second limiting plate; the damping structure further comprises a positioning piece, and one end of the positioning piece penetrates through the sliding groove and the connecting plate and is fixedly connected with the vehicle beam.

Preferably, the differential comprises a gear set and two output shafts, one end of each of the two output shafts is connected to the gear set, and the other end of each of the two output shafts passes through the bearing and extends to the outside of the housing.

Preferably, at least one of the output shafts is provided with a step, and the step is arranged at intervals with the gear set.

Preferably, a first groove is formed in the accommodating cavity, the bearing is arranged in the first groove, an arc-shaped portion is arranged on the groove wall of the first groove, a part of the output shaft is arranged in the arc-shaped portion, and the diameters of the first groove and the arc-shaped portion are both larger than those of the bearing.

Preferably, the remote control truck further comprises a head module, wherein the head module comprises a bottom shell, an engine cover and a power supply, and the bottom shell is detachably connected to the vehicle beam; and the upper side surface of the bottom shell is provided with a mounting groove, the engine cover is rotatably arranged at the opening of the mounting groove, and the power supply is arranged in the mounting groove.

Preferably, the remote control truck further comprises a hopper module comprising a floor, and front, rear, left and right panels detachably connected to the front, rear, left and right sides of the floor.

Preferably, the frame module further comprises a lifting device and an oil tank, the lifting device comprises a driving piece, a first rotating rod and a second rotating rod, the oil tank is detachably connected to one of the vehicle beams, the driving piece is arranged in the oil tank, one end of the first rotating rod is fixedly connected with the output end of the driving piece, the other end of the first rotating rod is fixedly connected with one end of the second rotating rod, and the other end of the second rotating rod is rotatably connected with the lower side face of the bottom plate.

Compared with the prior art, the invention has the beneficial effects that:

the remote control truck provided in the above technical scheme comprises a limiting part and a damping part, wherein the limiting part is fixed on a beam, one end or two ends of the damping part are provided with sliding grooves, the end provided with the sliding grooves is slidably arranged on the limiting part, the differential device comprises a shell, and a bearing and a differential mechanism which are arranged in the shell, and the shell is fixedly connected with the damping part. The wheel with differential mechanism's output fixed connection, when the wheel runs into the barrier and presses, the wheel can drive differential mechanism moves upwards, because the one end or both ends slidable of shock attenuation piece just can offset when sliding differential mechanism moves upwards produces partial power to the rest of power that differential mechanism moved upwards can make the shock attenuation piece can warp, the shock attenuation piece has offset rest of power through the deformation promptly. The shock-absorbing effect of the shock-absorbing structure is good, so that the remote control truck can run stably.

Secondly, the output shaft of the differential mechanism passes through the bearing, the bearing enables the differential mechanism to be arranged in the shell in a suspended manner, and the gears of the differential mechanism can relatively displace, so that the meshing state can be automatically adjusted, and the truck can stably steer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a remote control truck according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a frame module according to an embodiment of the invention.

Fig. 3 is an exploded view of an oil tank and a lifting device according to an embodiment of the present invention.

Fig. 4 is an assembly diagram of a shock absorbing member, a positioning member, a vehicle beam and a limiting member according to an embodiment of the present invention.

Fig. 5 is an assembly diagram of a shock absorbing member, a positioning member and a limiting member according to an embodiment of the present invention.

Fig. 6 is a schematic view of a shock absorbing member according to an embodiment of the present invention.

Fig. 7 is a schematic view of a limiting member according to an embodiment of the present invention.

Fig. 8 is a schematic view of a differential device according to an embodiment of the present invention.

Fig. 9 is an exploded view of a housing provided in an embodiment of the present invention.

Fig. 10 is an assembly view of a bearing and differential provided in an embodiment of the present invention.

Fig. 11 is a schematic view of a differential provided in an embodiment of the present invention.

Fig. 12 is a schematic view of an output shaft of a differential provided in an embodiment of the present invention.

Fig. 13 is an assembly view of a shock absorbing member, a positioning member, a beam, a stopper, a differential device, and a wheel according to an embodiment of the present invention.

Fig. 14 is an exploded view of a headstock module according to an embodiment of the present invention.

Fig. 15 is a schematic view of a bottom shell according to an embodiment of the present invention.

Fig. 16 is a schematic diagram of a hopper module according to an embodiment of the present invention.

Reference numerals illustrate:

1. a frame module; 11. carrying out vehicle beam; 12. a lifting device; 121. a driving member; 122. a first rotating lever; 123. a second rotating lever; 13. an oil tank; 2. a shock absorbing structure; 21. a shock absorbing member; 211. a chute; 212. a first planar portion; 213. an arc surface portion; 214. a second planar portion; 22. a limiting piece; 221. a first limiting plate; 222. a second limiting plate; 223. a connecting plate; 23. a positioning piece; 3. a differential device; 31. a housing; 311. a receiving chamber; 312. a first groove; 313. an arc-shaped portion; 314. a second groove; 32. a bearing; 33. a differential; 331. a gear set; 332. an output shaft; 333. a step; 4. a headstock module; 41. a bottom case; 411. a mounting groove; 42. an engine cover; 43. a power supply; 5. a hopper module; 51. a bottom plate; 52. a front plate; 53. a rear plate; 54. a left plate; 55. and a right plate.

Detailed Description

The invention will now be described in more detail with reference to the accompanying drawings, to which it should be noted that the description is given by way of illustration only and not by way of limitation. Various embodiments may be combined with one another to form further embodiments not shown in the following description.

For convenience of description, the front side is positioned in a direction in which the remote control card advances, the direction opposite to the advancing direction is defined as the rear side, the left-hand side in the advancing direction is defined as the left side, the right-hand side in the advancing direction is defined as the right side, the side close to the ground is defined as the lower side, and the side far from the ground is defined as the upper side.

Referring to fig. 1-3, in an embodiment of the present invention, there is provided a remote control truck, including: the vehicle comprises a frame module 1, a damping structure 2, a differential device 3, a vehicle head module 4 and a vehicle hopper module 5. The frame module 1 comprises two vehicle beams 11 which are arranged at intervals; the damping structure 2 comprises a damping piece 21 and a limiting piece 22, wherein the limiting piece 22 is fixedly arranged on the vehicle beam 11, the damping piece 21 is slidably arranged on the limiting piece 22, and at least one end of the damping piece 21 is provided with a sliding groove 211; the differential device 3 comprises a shell 31, a bearing 32 and a differential mechanism 33, wherein the shell 31 is arranged on the shock absorbing piece 21, a containing cavity 311 is formed in the shell, the bearing 32 is movably arranged in the containing cavity 311, and the differential mechanism 33 is suspended in the containing cavity 311 and can move in the vertical and horizontal directions; the headstock module 4 and the hopper module 5 are detachably connected to the front end and the rear end of the beam 11.

In a preferred embodiment, the frame module 1 includes two vehicle beams 11 and a mounting plate, the two vehicle beams 11 are arranged in parallel at intervals, and the mounting plate is detachably connected between the two vehicle beams 11 and is preferably disposed on the lower side of the vehicle head module 4. The mounting plate can strengthen the structural strength between the two vehicle beams 11, and parts of the remote control truck can be mounted on the mounting plate, so that the structure is optimized.

In a preferred embodiment, the frame module 1 further includes an oil tank 13 and a spare tire, the oil tank 13 is mounted on an outer side surface of one of the vehicle beams 11, the spare tire is mounted on the other vehicle beam 11, and the oil tank 13 and the spare tire are oppositely arranged, so that the weight of the left side and the right side of the frame module 1 is balanced, and smooth running of the remote control truck is facilitated.

In a preferred embodiment, the frame module 1 further comprises a lifting device 12, the lifting device 12 comprising a driving member 121, a first rotating rod 122 and a second rotating rod 123. The driving member 121 may be a lifting steering engine, and is installed in the oil tank 13, so that space is saved. The side of the oil tank 13, which is close to the vehicle beam 11, is provided with a through hole, and the output end of the lifting steering engine can pass through the through hole and extend to the outer side of the oil tank 13. One end of the first rotating rod 122 is fixedly disposed on the output end of the driving member 121, one end of the second rotating rod 123 is fixedly connected with the other end of the first rotating rod 122, and the other end of the second rotating rod 123 is rotatably connected with the lower side surface of the bottom plate 51.

More preferably, since the first rotating rod 122 is fixedly connected to the output end of the driving member 121, and one end of the second rotating rod 123 is fixedly connected to the other end of the first rotating rod 122, the driving member 121 may drive the first rotating rod 122 and the second rotating rod 123 to rotate together. The other end of the second rotating rod 123 is rotatably connected to the lower side surface of the bottom plate 51, so that the position of the second rotating rod 123 changes relative to the bottom plate 51 during the rotation process, and the lifting action of the second rotating rod 123 on the bottom plate 51 is not affected. And the driving member 121 is a steering engine, and can be started and stopped at any time during lifting, so as to control the lifting angle of the bottom plate 51.

More preferably, the oil tank 13 includes an upper case and a lower case which are cooperatively connected, the upper case is provided with a connection hole on a side surface near the vehicle beam 11, and is detachably connected to the vehicle beam 11 by a fastener, the lower case is detachably connected to a lower side of the upper case by a fastener, and an accommodating space for installing the driving member 121 is formed between the upper case and the lower case.

In a preferred embodiment, the frame module 1 further comprises an engine and a control member, which are both detachably connected to the mounting plate, i.e. both are located on the front side of the vehicle frame 11 and on the underside of the vehicle head module 4. The hopper module 5 is also mounted on the beam 11 and is located at the rear side of the beam 11, and the hopper module 5 can be loaded with goods. The engine, the control member and the hopper module 5 at the front side of the vehicle beam 11 can balance the weight of the front and rear sides of the remote control truck, which is beneficial to the smooth running of the remote control truck.

More preferably, the control member is electrically connected to a terminal, receives an external signal, and controls the start and stop of the engine and the driving member 121.

Referring to fig. 4-7, the shock absorbing member 21 has a certain elasticity, and can be deformed and restored after being deformed. The shock absorbing member 21 can be U-shaped and made of manganese steel, the thickness of the shock absorbing member is 0.4mm, the shock absorbing member 21 is made of stamping die, and the shock absorbing member is subjected to annealing, hardness reinforcing and blackening treatment, and is high in hardness and good in corrosion resistance.

More preferably, the shock absorbing member 21 includes a first planar portion 212, two arcuate surface portions 213, and two second planar portions 214. The first plane portion 212 is elongated, and one ends of the two arc surface portions 213 are respectively fixedly connected to one end of the first plane portion 212 in the length direction, preferably integrally formed. One end of the two second plane parts 214 is fixedly connected with the other ends of the two arc surface parts 213, and is preferably integrally formed. The first planar portion 212 may be disposed in parallel with the second planar portion 214.

More preferably, the vehicle beam 11 is stationary during the travel of the truck. When the shock absorbing member 21 receives a bottom-up external force, the first planar portion 212 moves upward, the two cambered surface portions 213 deform, specifically, expand outward, and the two second planar portions 214 are disposed in contact with the vehicle beam 11, so that the second planar portions 214 cannot move upward and downward, but only move along the longitudinal direction of the vehicle beam 11, i.e., the front-rear direction.

More preferably, only the arc surface portion 213 is deformed, so that the arc surface portion 213 is shaped as an arc, and the arc is more beneficial to deformation and restoration. The cambered surface portion 213 also needs a certain rigidity, so in this embodiment, it is made of 0.4mm manganese steel after a series of treatments, and has a certain rigidity while having a good elasticity.

In a preferred embodiment, the sliding grooves 211 may be provided on one of the second planar portions 214, or the sliding grooves 211 may be provided on both of the second planar portions 214. Accordingly, by providing the positioning member 23, one or both of the second flat portions 214 are slidably disposed on the vehicle beam 11.

More preferably, the sliding groove 211 has a long strip shape, and the length direction thereof is the same as the length direction of the vehicle beam 11, that is, the sliding direction of the second plane portion 214 is the same as the length direction of the vehicle beam 11. The length of the sliding groove 211 is proportional to the magnitude of shock absorption, that is, the longer the sliding groove 211 is, the larger the sliding space of the second plane part 214 is, and the larger the space displacement of the first plane part 212 in the up-down side direction is.

More preferably, the width of the left and right sides of the sliding slot 211 may be the same and equal to or slightly greater than the width of the left and right sides of the positioning member 23.

In a preferred embodiment, the widths of the left and right sides of the sliding groove 211 may be different, and the width of the end of the sliding groove 211 near the arc surface portion 213 is smaller than the width of the end of the sliding groove 211 far from the arc surface portion 213. Referring to fig. 5, this is an assembly view of the shock absorbing member 21, the positioning member 23, and the limiting member 22 when not being stressed. At this time, the positioning member 23 is located at an end of the sliding slot 211 away from the arc surface 213. When the shock absorbing member 21 deforms under force, the second plane portion 214 slides along the length direction of the vehicle beam 11, and the positioning member 23 is located at one end of the sliding slot 211 near the arc surface portion 213. The sliding grooves 211 with different widths can play a role of buffering, so that the second plane portion 214 is gentle in the sliding process, and severe vibration is avoided.

More preferably, the shock absorbing member 21 may be a plate spring. The positioning member 23 is preferably a screw, and the screw includes a screw rod, and a nut fixedly disposed on one end of the screw rod, wherein the other end of the screw rod passes through the chute 211 and is detachably connected with the vehicle beam 11, and the nut may be disposed on the second plane 214 in a covering manner, so as to limit the displacement of the second plane 214 on the upper and lower sides, so that the second plane 214 can only move along the length direction of the vehicle beam 11. Next, the positioning member 23 cooperates with the longitudinal direction of the sliding slot 211 to limit the sliding direction of the second plane portion 214.

In a preferred embodiment, in order to better limit the sliding direction of the second plane portion 214, the shock absorbing structure 2 further includes a stopper 22. The limiting member 22 includes a first limiting plate 221 and a second limiting plate 222 disposed at intervals. And the first limiting plate 221 and the second limiting plate 222 are respectively located at the left and right sides of the vehicle beam 11 and respectively abut against the left and right sides of the second plane portion 214, so that the second plane portion 214 can only slide along the length direction of the vehicle beam 11. The first limiting plate 221 and the second limiting plate 222 may be detachably connected with the vehicle beam 11 through fasteners.

More preferably, the limiting member 22 further includes a connecting plate 223, and the connecting plate 223 is located between the first limiting plate 221 and the second limiting plate 222, and is fixedly connected with the first limiting plate 221 and the second limiting plate 222, preferably integrally formed. The upper side surface of the connection plate 223 is disposed in contact with the lower side surface of the beam 11, and the lower side surface of the connection plate 223 is disposed in contact with the second plane 214. And the lower side of the connecting plate 223 may be smooth, which is beneficial to the sliding of the second plane 214.

More preferably, the connection plate 223 may be provided with a through hole, and the through hole may be provided for the positioning member 23 to pass through.

Referring to fig. 8 to 12, the differential device 3 includes: the inside casing 31 that is equipped with holding chamber 311, the activity sets up bearing 32 and differential mechanism 33 in holding chamber 311, and wherein, differential mechanism 33 includes two output shafts 332 and gear train 331, and two output shafts 332 relative one end is connected in gear train 331, and the other end passes bearing 32 and extends to the outside of casing 31 for gear train 331 unsettled setting is in holding chamber 311 and can be in vertical and horizontal direction removal.

In the preferred embodiment, the housing 31 includes an upper housing and a lower housing, the upper housing is connected with the lower housing through fasteners, and the fasteners can be screws, bolts, etc., so that the housing 31 is convenient to disassemble and install, and thus, the differential 33 arranged in the housing 31 is convenient to overhaul and maintain, and the housing 31 is matched with the differential 33 in shape and size, so as to reduce the volume of the differential device 3 and save the space of the bottom of the remote control truck.

Wherein, go up the casing and be mirror symmetry setting with lower casing, inside is formed with holds the chamber 311, is formed with joint portion in the edge that holds the chamber 311 of lower casing for go up casing and lower casing and can better seal, improve the joint strength of last casing and lower casing, prevent to set up the differential mechanism 3 in the remote control truck bottom and receive dust, the pollution of moisture and cause the damage.

In the preferred embodiment, differential 33 partially disposed in receiving cavity 311 includes two output shafts 332, one input shaft, gear set 331, and a large gear; the gear set 331 comprises two sun gears and two planet gears, and the gear set 331 is covered with a gear shell, so that the gear set 331 has a certain protection effect, and can be smoothly meshed for operation; the two output shafts 332 are arranged at intervals along the axial direction, sun gears are respectively arranged at two opposite ends of the two output shafts 332, two planetary gears are meshed between the sun gears, and the planetary gears are connected through a rotating shaft; the large gear is sleeved on any sun gear, and the diameter of the large gear is larger than that of the sun gear; one end of the input shaft is provided with conical teeth, the conical teeth are meshed with the sun gear, when the input shaft rotates, the conical teeth are driven to synchronously rotate, the large gear meshed with the conical teeth rotates, the large gear drives the output shaft 332 and the corresponding sun gear to rotate, the sun gear drives the planetary gear to rotate, and then the other sun gear and the output shaft 332 are driven to rotate, so that the differential 33 is operated.

In a preferred embodiment, two output shafts 332 are disposed opposite to each other in the axial direction and connected to the sun gear, the output shafts 332 are partially disposed in the accommodating cavity 311, and the opposite ends extend out of the housing 31, wherein at least one of the output shafts 332 includes a first rod portion and a second rod portion, a step 333 is formed between the first rod portion and the second rod portion, the bearing 32 includes a first bearing and a second bearing, at least one first bearing is sleeved on the second rod portion, and the first bearing has a supporting effect on the differential 33, so that the differential 33 is suspended; the sun gear is movably sleeved on the first rod part, the sun gear and the step 333 are provided with intervals, the large gear is sleeved on the sun gear, the large gear and the step 333 are provided with intervals, and the sun gear and the large gear can move on the first rod part along the axial direction, so that the gear set 331 can move in the axial horizontal direction, and meanwhile, the relative displacement between the gears in the gear set 331 is realized, the fault tolerance of the differential device 3 is improved, and the differential device 3 has applicability.

In the preferred embodiment, four first bearings are provided, two first bearings are sleeved on each second rod portion, and the first bearings are arranged at intervals, so that the number and size of the first bearings can be selected according to the specification of the differential 33, and the first bearings can limit the position of the output shaft 332 and reduce the displacement of the output shaft 332.

In a preferred embodiment, a first groove 312 adapted to the first bearing is formed in the accommodating cavity 311, the first bearing is disposed in the first groove 312, and the position and number of the first groove 312 are set corresponding to those of the first bearing, wherein the diameter of the first groove 312 is larger than that of the first bearing, so that the first bearing can be vertically and/or radially and horizontally movably disposed in the first groove 312, thereby driving the output shaft 332 to vertically and/or radially and horizontally move, realizing movement of the gear set 331 in the vertical and/or radial horizontal directions, and simultaneously realizing relative displacement between gears in the gear set 331, so as to improve the fault tolerance of the differential device 3.

It can be appreciated that the groove wall of the first groove 312 is provided with an arc portion 313, the output shaft 332 is partially disposed on the arc portion 313, and the diameter of the arc portion 313 is larger than that of the output shaft 332, so that the output shaft 332 can relatively move, thereby improving the fault tolerance of the differential device 3 and enabling the differential device 3 to have applicability.

In the preferred embodiment, the sun gear is sleeved with one of the output shafts 332 and fixedly arranged against the step 333; the other sun gear is movably sleeved on the other output shaft 332, the sun gear and the step 333 are provided with a gap for generating displacement, the large gear is arranged on the movable sun gear, and when the differential 33 runs, the large gear is equivalent to a driving end which is movably arranged to actively adjust the meshing relationship between the gears, so that the meshing efficiency of the gear set 331 is improved, and each gear of the gear set 331 has higher suitability.

In a preferred embodiment, one end of the input shaft is provided with conical teeth, the conical teeth are engaged with the large gear, external torsion can be transmitted to the inside of the differential 33, one end of the input shaft away from the conical teeth is provided with a second bearing, a second groove 314 matched with the second bearing is formed in the accommodating cavity 311, the second bearing is fixedly arranged in the second groove 314, two second bearings are arranged adjacently, the position of the input shaft can be limited, and the number and the position relationship of the second bearings can be selected according to the size of the input shaft.

Referring to fig. 13, the remote control truck further includes a plurality of front wheels and rear wheels, and the differential device 3 is provided in two and is respectively disposed on the front and rear sides of the beam 11. The number of the front wheels is two, and the front wheels are fixedly connected with one end of the output shaft 332 located at the front side, which extends out of the housing 31. The rear wheels are four and fixedly connected to one end of the output shaft 332 extending out of the housing 31. The frame module 1 includes two spaced vehicle beams 11, and each of the front and rear sides of the vehicle beam 11 is provided with a shock absorbing structure 2, that is, one of the housings 31 is fixedly connected with two shock absorbing members 21, so as to be fixed on the vehicle beam 11. It should be noted that the differential device 3, the front wheels and the rear wheels are not connected to the vehicle frame 11, and only the housing 31 is fixedly connected to the damper 21.

In a preferred embodiment, the remote control truck further comprises a steering engine, a steering plate and a shaft sleeve, wherein the steering engine is fixedly arranged on the vehicle beam 11, preferably at the front end of the vehicle beam 11, and is positioned on the upper side of the differential device 3 on the front side. The middle part of the steering plate is positioned at the output end of the steering engine to be fixedly connected, two ends of the steering plate are respectively provided with a shaft sleeve, and the shaft sleeves are respectively fixed with a front wheel. The steering engine drives the steering plate to rotate, and the steering plate drives the wheels to drive through the shaft sleeve.

Referring to fig. 14-16, the hopper module 5 includes a bottom plate 51, and front, rear, left and

right plates

52, 53, 54 and 55 detachably connected to the front, rear, left and right sides of the bottom plate 51.

More preferably, two rotating plates are disposed on the lower side of the bottom plate 51, the two rotating plates are disposed in parallel at intervals, and each rotating plate is provided with a rotating hole. Two protruding parts are symmetrically arranged at one end of the second rotating rod 123, and the two protruding parts are rotatably arranged in the two rotating holes.

More preferably, the bottom plate 51 has a plurality of mounting portions on a lower side thereof, and each of the mounting portions is symmetrically disposed on left and right sides of the lower side of the bottom plate 51. Each installation part can be detachably connected to two vehicle beams 11 through a fastener, and the installation and the disassembly are convenient. More preferably, the number of the mounting portions is four, two of the mounting portions are located on the front side of the rotating plate, and the other two of the mounting portions are located on the rear side of the rotating plate. If the four mounting portions are detachably connected with the beam 11, the hopper module 5 cannot realize the lifting function. If the hopper module 5 is required to achieve the lifting function, there may be no connection between the two mounting portions located on the front side and the vehicle beam 11. At this time, when the hopper module 5 is lifted, the two mounting portions located at the rear side are rotated as axes. The lifting of the hopper module 5 can be controlled by a user, so that the use pleasure is increased.

In a preferred embodiment, a plurality of first hook holes, preferably three, are disposed on the left side and the right side of the bottom plate 51 at intervals. The lower sides of the left plate 54 and the right plate 55 are correspondingly provided with a plurality of first hooks, and each first hook is correspondingly arranged in each first hook hole one by one.

More preferably, two limiting posts are symmetrically arranged on the lower side surface of the bottom plate 51, two limiting portions are correspondingly arranged on the side surface of the front plate 52, which is close to the bottom plate 51, limiting holes are formed in the limiting portions, and the limiting posts are correspondingly inserted into the limiting holes one by one.

More preferably, the upper side of the front plate 52 is further provided with two second hook holes, and the front sides of the left plate 54 and the right plate 55 are provided with second hooks, and each of the second hooks is correspondingly fastened in each of the second hook holes.

More preferably, the lower end of the rear plate 53 is rotatably coupled to the rear end of the bottom plate 51. The hopper module 5 further includes two locking members and two locking shafts, the two locking members are respectively rotatably disposed on the outer side surfaces of the left plate 54 and the right plate 55, and the two locking shafts are also correspondingly disposed on the left side surface and the right side surface of the rear plate 53. The locking piece is further provided with a groove for accommodating the locking shaft, the locking piece rotates, and the locking shaft is clamped in the groove.

In a preferred embodiment, the head module 4 includes a bottom case 41, a hood 42 and a power source 43. The bottom shell 41 can be detachably connected to the vehicle beam 11 through a fastener, and the bottom shell 41 is covered on the engine and the control member, so that the engine and the control member can be prevented from being damaged due to external impact, and meanwhile, the structure is optimized, and the space is saved.

In a preferred embodiment, the upper side of the bottom case 41 is further provided with a mounting slot 411, the power supply 43 is mounted in the mounting slot 411, one end of the engine cover 42 is rotatably connected to the opening of the mounting slot 411, and the other end of the engine cover is connected to the opening of the mounting slot 411 through a buckle. The engine cover 42 may be disposed at the opening of the mounting slot 411 to prevent foreign matters from entering the mounting slot 411, and also prevent external heavy matters from directly striking the power supply 43. The rotatably disposed hood 42 also facilitates opening and closing, and the user can easily replace the power supply 43.

More preferably, the lower side of the mounting slot 411 may be provided with a through hole through which the power supply line may pass. The electric wire may have one end connected to the power supply 43 and the other end electrically connected to the control member, the engine, and the driving member 121, respectively, i.e., the power supply 43 may supply power to the power-consuming parts of the remote control truck. It is noted that since the engine and the control member are both located at the lower side of the bottom case 41, the distance between the power source 43 and the engine and the control member is small, facilitating connection using electric wires. And the electric wires are located between the mounting plate and the bottom case 41 without being impacted from the upper and lower sides, so that the electric connection between the power source 43 and the engine and the control member is stabilized.

In a preferred embodiment, the headstock module 4 further includes a grid plate, a front headlight, an outline marker, a right guard plate, a wiper, a front windshield, a rear mirror, a right glass, a rear glass, a left glass, a steering wheel, a central control plate, a left guard plate, a headstock, and the like, and each component is bonded to the bottom shell 41 in a one-to-one correspondence manner, so as to form a complete headstock.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims

1. A remote control truck, comprising:

the frame module (1) comprises two vehicle beams (11) which are arranged at intervals;

the damping structure (2) comprises a damping part (21) and a limiting part (22), wherein the limiting part (22) is fixedly arranged on the vehicle beam (11), the damping part (21) is slidably arranged on the limiting part (22), and at least one end of the damping part (21) is provided with a sliding groove (211);

the differential device (3) comprises a shell (31), a bearing (32) and a differential mechanism (33), wherein the shell (31) is arranged on the shock absorbing piece (21), a containing cavity (311) is formed in the shell, the bearing (32) is movably arranged in the containing cavity (311), and the differential mechanism (33) is suspended in the containing cavity (311) and can move in the vertical and horizontal directions;

the vehicle head module (4) and the vehicle hopper module (5) are detachably connected to the front end and the rear end of the vehicle beam (11);

the differential (33) partially disposed in the receiving cavity (311) comprises two output shafts (332), one input shaft, a gear set (331) and a large gear; the gear set (331) includes two sun gears and two planet gears;

at least one output shaft (332) comprises a first rod part and a second rod part, a step (333) is formed between the first rod part and the second rod part, the bearing (32) comprises a first bearing and a second bearing, and at least one first bearing is sleeved on the second rod part; the sun gear is movably sleeved on the first rod part, the sun gear and the step (333) are provided with intervals, the large gear is sleeved on the sun gear, the large gear and the step (333) are provided with intervals, and the sun gear and the large gear can move on the first rod part along the axial direction;

the accommodating cavity (311) is internally provided with a first groove (312) matched with a first bearing, the first bearing is arranged in the first groove (312), the positions and the number of the first grooves (312) are correspondingly arranged with the first bearing, and the diameter of the first groove (312) is larger than that of the first bearing.

2. The remote control truck according to claim 1, wherein the damper (21) includes a first planar portion (212), two cambered surface portions (213), and two second planar portions (214), the two cambered surface portions (213) being symmetrically disposed on both ends of the first planar portion (212), the two second planar portions (214) being symmetrically disposed on one end of the two cambered surface portions (213) away from the first planar portion (212); the chute (211) is arranged on the second plane part (214).

3. The remote control truck according to claim 1, wherein the sliding groove (211) is provided to extend in a longitudinal direction of the damper (21), and a width of an end of the sliding groove (211) near a middle portion of the damper (21) is smaller than a width of an end of the sliding groove (211) far from the middle portion of the damper (21).

4. The remote control truck according to claim 1, wherein the stopper (22) includes a first stopper plate (221) and a second stopper plate (222) provided on left and right sides of the vehicle beam (11), and a connection plate (223) connected between the first stopper plate (221) and the second stopper plate (222); the damping structure (2) further comprises a positioning piece (23), and one end of the positioning piece (23) penetrates through the sliding groove (211) and the connecting plate (223) and is fixedly connected with the vehicle beam (11).

5. The remote control truck according to claim 1, characterized in that the head module (4) comprises a bottom shell (41), a bonnet (42) and a power source (43), the bottom shell (41) being detachably connected to the vehicle frame (11); and the upper side surface of the bottom shell (41) is provided with a mounting groove (411), the engine cover (42) is rotatably arranged at the opening of the mounting groove (411), and the power supply (43) is arranged in the mounting groove (411).

6. The remote control truck of claim 1, wherein the hopper module (5) includes a floor (51), and a front panel (52), a rear panel (53), a left panel (54), and a right panel (55) detachably connected to the front side, the rear side, the left side, and the right side of the floor (51).

7. The remote control truck as claimed in claim 6, wherein the frame module (1) further comprises a lifting device (12) and an oil tank (13), the lifting device (12) comprises a driving member (121), a first rotating rod (122) and a second rotating rod (123), the oil tank (13) is detachably connected to one of the vehicle beams (11), the driving member (121) is disposed in the oil tank (13), one end of the first rotating rod (122) is fixedly connected with the output end of the driving member (121), the other end of the first rotating rod is fixedly connected with one end of the second rotating rod (123), and the other end of the second rotating rod (123) is rotatably connected with the lower side surface of the bottom plate (51).