CN113599839A

CN113599839A - Remote control truck

Info

Publication number: CN113599839A
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: 2021-11-05
Anticipated expiration: 2041-07-22
Also published as: CN113599839B

Abstract

The invention relates to a remote-controlled truck comprising: the frame module comprises two vehicle beams which are arranged at intervals; the shock absorption structure comprises a shock absorption piece and a limiting piece, wherein the limiting piece is fixedly arranged on the vehicle beam, the shock absorption piece is arranged on the limiting piece in a sliding mode, and at least one end of the shock absorption piece is provided with a sliding groove; the differential device comprises a shell, a bearing and a differential, wherein the shell is arranged on the damping piece, an accommodating cavity is formed in the shell, the bearing is movably arranged in the accommodating cavity, and the differential is arranged in the accommodating cavity in a suspended mode 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. The technical scheme includes that the limiting piece is fixed on a vehicle beam, the damping slide is arranged on the limiting piece, the damping piece carries out force unloading through sliding and deformation, the damping effect is good, the differential mechanism is arranged in the containing cavity in a suspended mode, gears can move relatively, the meshing state can be adjusted automatically, and the truck can steer stably.

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 the quality of life, model toys owned by teenagers are more and more, wherein the remote control truck type toys are deeply favored by the teenagers over 14 years old. But current truck is integrated into one piece mostly, can't dismantle for the user lacks the enjoyment of manual dismantlement and equipment when playing, and after certain device trouble, can't change the accessory, leads to whole truck to scrap. Secondly, current remote control truck does not all have shock-absorbing structure, and it is unstable to travel in the process of playing, jolts easily, leads to the car even to overturn, has influenced people's enjoyment of playing. And the gears of the differential on the existing remote control truck can not move relatively, and the rotation position can not be adjusted independently, so that the steering effect of the 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 purpose, the invention adopts the following technical scheme:

a remotely controlled truck comprising: the frame module comprises two vehicle beams which are arranged at intervals; the shock absorption structure comprises a shock absorption piece and a limiting piece, wherein the limiting piece is fixedly arranged on the vehicle beam, the shock absorption piece is arranged on the limiting piece in a sliding mode, and at least one end of the shock absorption piece is provided with a sliding groove; the differential device comprises a shell, a bearing and a differential, wherein the shell is arranged on the damping piece, an accommodating cavity is formed in the shell, the bearing is movably arranged in the accommodating cavity, and the differential is arranged in the accommodating cavity in a suspended mode 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 shock absorbing member comprises a first plane part, two arc-shaped surface parts and two second plane parts, the two arc-shaped surface parts are symmetrically arranged at two ends of the first plane part, and the two second plane parts are symmetrically arranged at one ends of the two arc-shaped surface parts, which are far away from the first plane part; the sliding groove is arranged on the second plane portion.

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

Preferably, the limiting member comprises a first limiting plate and a second limiting plate which are arranged on the left side and the right side of the vehicle beam, and a connecting plate connected between the first limiting plate and the second limiting plate; the shock-absorbing 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 includes 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 and the gear set are arranged at intervals.

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 a groove wall of the first groove, 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 larger than the diameter of the bearing.

Preferably, the remote control truck further comprises a head module, 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 side is equipped with the mounting groove on the drain pan, the bonnet rotate set up in the opening part of mounting groove, the power set up in the mounting groove.

Preferably, the remote control truck further comprises a hopper module, the hopper module comprising a bottom plate, and a front plate, a rear plate, a left plate and a right plate detachably connected to the front side, the rear side, the left side and the right side of the bottom plate.

Preferably, the frame module still includes elevating gear and oil tank, elevating gear includes driving piece, first dwang and second dwang, the oil tank can be dismantled connect in one of them on the roof beam, the driving piece set up in the oil tank, first dwang one end with the output fixed connection of driving piece, the other end with the one end fixed connection of second dwang, the other end of second dwang with the downside of bottom plate rotates and connects.

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

according to the technical scheme, the provided remote control truck comprises a limiting part and a damping part through a damping structure, the limiting part is fixed on a vehicle beam, one end or two ends of the damping part are provided with sliding grooves, the end provided with the sliding grooves is arranged on the limiting part in a sliding mode, the differential device comprises a shell, a bearing and a differential mechanism, the bearing and the differential mechanism are arranged in the shell, and the shell is fixedly connected with the damping part. The wheels are fixedly connected with the output end of the differential mechanism, when the wheels encounter obstacles and are pressed, the wheels can drive the differential device to move upwards, one end or two ends of the damping piece can slide, so that part of force generated when the differential device moves upwards can be offset during sliding, and the rest force generated when the differential device moves upwards can enable the damping piece to deform, namely the damping piece offsets the rest force through deformation. Shock-absorbing structure shock attenuation effect is better for the remote control truck operation is comparatively steady.

Secondly, the output shaft of the differential penetrates through the bearing, the differential is suspended in the shell through the bearing, gears of the differential can move relatively, the meshing state can be adjusted automatically, and the truck can steer stably.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

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

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

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

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

Fig. 5 is an assembly view of the damping member, the positioning member and the limiting member according to the 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 diagram of a limiting element according to an embodiment of the 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 by an embodiment of the present invention.

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

FIG. 11 is a schematic view of a differential provided by an embodiment of the present invention.

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

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

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

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

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

Description of reference numerals:

1. a frame module; 11. a vehicle beam; 12. a lifting device; 121. a drive 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 section; 22. a limiting member; 221. a first limit plate; 222. a second limiting plate; 223. a connecting plate; 23. a positioning member; 3. a differential device; 31. a housing; 311. an accommodating chamber; 312. a first groove; 313. an arc-shaped portion; 314. a second groove; 32. a bearing; 33. a differential mechanism; 331. a gear set; 332. an output shaft; 333. a step; 4. a headstock module; 41. a bottom case; 411. mounting grooves; 42. a hood; 43. a power source; 5. a hopper module; 51. a base plate; 52. a front plate; 53. a back plate; 54. a left panel; 55. and (4) a right plate.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

For convenience of description, the front side is located in a direction in which the remote control truck is advanced, 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 the lower side, and the side far from the ground is 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 frame 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, 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 33, wherein the shell 31 is arranged on the shock absorbing member 21, an accommodating cavity 311 is arranged in the shell, the bearing 32 is movably arranged in the accommodating cavity 311, and the differential 33 is arranged in the accommodating cavity 311 in a suspended manner and can move in the vertical and horizontal directions; the head module 4 and the hopper module 5 are detachably connected to the front end and the rear end of the vehicle 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 disposed in parallel at intervals, and the mounting plate is detachably connected between the two vehicle beams 11 and is preferably disposed at the lower side of the head module 4. The mounting plate can strengthen the structural strength between the two vehicle beams 11, and the mounting plate can be provided with parts of a remote control truck, 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 operation of a 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 piece 121 can be a lifting steering engine and is arranged in the oil tank 13, so that the space is saved. The side face 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 penetrate through the through hole and extend to the outer side of the oil tank 13. The one end of first dwang 122 is fixed set up in on the output of driving piece 121, the one end of second dwang 123 with the other end fixed connection of first dwang 122, the other end of second dwang 123 with the downside of bottom plate 51 rotates and is connected.

More preferably, because the first rotating rod 122 and the output end of the driving member 121 are fixedly connected, one end of the second rotating rod 123 and the other end of the first rotating rod 122 are fixedly connected, so the driving member 121 can 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 part 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, oil tank 13 is including the epitheca and the inferior valve that the cooperation is connected, the epitheca is close to be equipped with the connecting hole on the side of vehicle beam 11, can dismantle through the fastener connect in on the vehicle beam 11, the inferior valve can dismantle through the fastener connect in the downside of epitheca, just the epitheca with form the installation between the inferior valve the accommodation space of driving piece 121.

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

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

Referring to fig. 4-7, the damping member 21 has a certain elasticity, can be deformed, and can be 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 a stamping die, hardness blackening is enhanced through annealing, and the shock absorbing member is high in hardness and good in corrosion resistance.

More preferably, the shock absorbing member 21 includes a first flat surface portion 212, two arc surface portions 213, and two second flat surface portions 214. The first flat portion 212 is in a long shape, and one end of each of the two arc portions 213 is fixedly connected to one end of the first flat portion 212 in the longitudinal direction, preferably integrally formed. One end of each of the two second flat portions 214 is fixedly connected to the other end of each of the two arc portions 213, and is preferably integrally formed. The first plane part 212 may be disposed in parallel with the second plane part 214.

More preferably, the beam 11 is stationary during operation of the remotely controlled truck. When the shock absorbing member 21 receives an external force from bottom to top, the first plane portion 212 moves upward, the two arc surface portions 213 deform, specifically, expand outward, and the two second plane portions 214 are disposed in abutment with the vehicle body frame 11, so that the second plane portions 214 cannot move up and down and can only move along the length direction of the vehicle body frame 11, that is, the front and rear directions.

More preferably, only the arc surface portion 213 is deformed, so that the arc surface portion 213 is shaped into an arc, which is more advantageous for deformation and restoration. And the arc surface part 213 itself also needs a certain rigidity, so that the manganese steel with a thickness of 0.4mm is made of manganese steel after a series of treatments, and has a certain rigidity while having good elasticity.

In a preferred embodiment, the sliding groove 211 may be disposed on one of the second flat portions 214, and the sliding groove 211 may be disposed on both of the second flat portions 214. Accordingly, one or two of the second flat portions 214 can be slidably disposed on the vehicle body 11 by disposing the positioning members 23.

More preferably, the sliding groove 211 is long and has a length direction identical to the length direction of the vehicle beam 11, that is, the sliding direction of the second plane portion 214 is identical to the length direction of the vehicle beam 11. The length of the slide groove 211 is proportional to the magnitude of the shock absorption, that is, the longer the slide groove 211 is, the larger the sliding space of the second flat portion 214 is, and the larger the spatial displacement of the first flat portion 212 in the up-down direction is.

More preferably, the widths of the left and right sides of the sliding slot 211 may be the same and equal to or slightly larger than the widths 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 slot 211 may also be different, and the width of the end of the sliding slot 211 close to the arc surface 213 is smaller than the width of the end of the sliding slot 211 far from the arc surface 213. See fig. 5 for details, which is an assembly view of the shock absorbing member 21, the positioning member 23 and the limiting member 22 when the shock absorbing member is not stressed. At this time, the positioning member 23 is located at one end of the sliding groove 211 away from the arc surface portion 213. When the shock absorbing member 21 is deformed by a force, the second flat 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 groove 211 close to the arc portion 213. The sliding grooves 211 with different widths can play a role in buffering, so that the second plane part 214 is smooth in the sliding process, and severe vibration is avoided.

More preferably, the shock absorbing members 21 may be plate springs. The positioning element 23 is preferably a screw, the screw includes a screw rod and a nut fixedly arranged at one end of the screw rod, the other end of the screw rod passes through the sliding groove 211 and is detachably connected with the vehicle beam 11, the nut can be covered on the second plane portion 214 to limit the displacement of the second plane portion 214 on the upper side and the lower side, so that the second plane portion 214 can only move along the length direction of the vehicle beam 11. Next, the positioning member 23 cooperates with the sliding groove 211 in the longitudinal direction 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 limiting member 22. The limiting member 22 includes a first limiting plate 221 and a second limiting plate 222 arranged at an interval. The first limit plate 221 and the second limit 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 limit plate 221 and the second limit plate 222 can be detachably connected to the vehicle beam 11 by 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 to the first limiting plate 221 and the second limiting plate 222, preferably integrally formed. And the upper side of the connecting plate 223 is connected with the lower side of the vehicle beam 11, and the lower side of the connecting plate 223 is connected with the second plane 214. And the lower side of the connecting plate 223 can be provided with a smoother surface to facilitate the sliding of the second plane portion 214.

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

Referring to fig. 8 to 12, the differential device 3 includes: the differential mechanism comprises a shell 31, a bearing 32 and a differential mechanism 33, wherein the shell 31 is internally provided with a containing cavity 311, the bearing 32 is movably arranged in the containing cavity 311, the differential mechanism 33 comprises two output shafts 332 and a gear set 331, one opposite ends of the two output shafts 332 are connected to the gear set 331, and the other opposite ends of the two output shafts pass through the bearing 32 and extend to the outer side of the shell 31, so that the gear set 331 is arranged in the containing cavity 311 in a suspended mode and can move in the vertical and horizontal directions.

In a preferred embodiment, the housing 31 includes an upper housing and a lower housing, the upper housing and the lower housing are connected by fasteners, the fasteners may be screws, bolts, etc., so as to facilitate the detachment and installation of the housing 31, thereby facilitating the maintenance and repair of the differential 33 disposed in the housing 31, and the housing 31 is adapted to the differential 33 in shape and size, so as to reduce the volume of the differential device 3 and save the underbody space of the remote control truck.

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

In the preferred embodiment, the differential 33, partially disposed in the receiving cavity 311, includes two output shafts 332, one input shaft, a gear set 331, and a bull gear; the gear set 331 comprises two sun gears and two planet gears, and a gear shell covers the gear set 331, 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, the two opposite ends of the two output shafts 332 are respectively provided with a sun gear, two planetary gears are meshed between the sun gears, and the planetary gears are connected through a rotating shaft; the big gear is sleeved on any sun gear, and the diameter of the big gear is larger than that of the sun gear; one end of the input shaft is provided with a conical tooth, the conical tooth is meshed with the sun gear, when the input shaft rotates, the conical tooth is driven to synchronously rotate, the large gear meshed with the conical tooth rotates, the large gear drives the output shaft 332 and the corresponding sun gear to rotate, the sun gear drives the planet gear to rotate, and then the other sun gear and the output shaft 332 are driven to rotate, so that the operation of the differential mechanism 33 is realized.

In a preferred embodiment, the 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 two ends facing away from each other 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 of the first bearings 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 disposed in a suspended manner; the sun gear is movably sleeved on the first rod part, a gap is formed between the sun gear and the step 333, the large gear is sleeved on the sun gear, a gap is formed between the large gear and the step 333, 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, meanwhile, relative displacement among all gears in the gear set 331 is achieved, the fault tolerance of the differential device 3 is improved, and the differential device 3 has applicability.

In a preferred embodiment, the number of the first bearings is four, two first bearings are respectively sleeved on each second rod portion, the first bearings are arranged at intervals, the number and the 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 disposed corresponding to the first bearing, wherein the diameter of the first groove 312 is larger than the diameter 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, so as to achieve movement of the gear set 331 in the vertical and/or radial horizontal direction, and also achieve relative displacement between gears in the gear set 331, thereby improving the fault tolerance of the differential device 3.

It is understood that the groove wall of the first groove 312 is provided with the 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 move relatively, thereby improving the fault tolerance of the differential device 3 and providing the differential device 3 with applicability.

In the preferred embodiment, the sun gear is sleeved on one of the output shafts 332 and is fixedly arranged in abutment with the step 333; the other sun gear is movably sleeved on the other output shaft 332, and the sun gear and the step 333 are provided with an interval capable of generating displacement, the large gear is arranged on the movable sun gear, when the differential 33 operates, the large gear is equivalent to the driving end, the driving end 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 the gears of the gear set 331 have high adaptability.

In a preferred embodiment, one end of the input shaft is provided with a conical tooth, the conical tooth is meshed with the gearwheel and can transmit external torque to the inside of the differential 33, one end of the input shaft, which is far away from the conical tooth, 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 and are adjacently arranged, 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 two differential devices 3 are disposed on the front and rear sides of the frame 11. The two front wheels are fixedly connected with one end of the output shaft 332, which extends out of the shell 31, on the front side. The number of the rear wheels is four, and the rear wheels are respectively fixedly connected with one end of the output shaft 332, which is positioned at the rear side and extends out of the shell 31. The frame module 1 includes two vehicle beams 11 arranged at an interval, and the front and rear sides of each vehicle beam 11 are respectively provided with a damping structure 2, that is, one of the housings 31 is fixedly connected with two damping members 21, so as to be fixed on the vehicle beams 11. It should be noted that the differential device 3, the front wheels and the rear wheels are not connected to the vehicle body 11, and only the housing 31 is fixedly connected to the shock absorbing member 21.

In a preferable 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 arranged at the front end of the vehicle beam 11 and positioned on the upper side of the differential device 3 on the front side. The middle part of the steering plate is fixedly connected with the output end of the steering engine, 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 to 16, the hopper module 5 includes a bottom plate 51, and a front plate 52, a rear plate 53, a left plate 54, and a right plate 55 detachably attached to a front side, a rear side, a left side, and a right side of the bottom plate 51.

More preferably, the lower side surface of the bottom plate 51 is provided with two rotating plates, the two rotating plates are arranged in parallel at intervals, and each rotating plate is provided with a rotating hole. One of the ends of the second rotating rod 123 is symmetrically provided with two protruding parts, two of which are rotatably arranged in the two rotating holes.

More preferably, the lower surface of the bottom plate 51 is provided with a plurality of mounting portions, and the mounting portions are symmetrically disposed on the left and right sides of the lower surface of the bottom plate 51. Each installation department accessible fastener can be dismantled and connect in two on the car beam 11, easy dismounting. 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 four the installation department all with the car beam 11 can be dismantled and be connected, car hopper module 5 can not realize raising and lowering functions. If the bucket module 5 is required to realize the lifting function, the two mounting portions positioned at the front side and the vehicle beam 11 are not connected. At this time, when the hopper module 5 is lifted, the two mounting portions located at the rear side can be rotated as the shaft. The lifting of the hopper module 5 can be manually controlled by a user, so that the use pleasure is increased.

In a preferred embodiment, a plurality of first hooking holes, preferably three, are formed at intervals on both left and right sides of the bottom plate 51. A plurality of first hooks are correspondingly arranged on the lower side surfaces of the left plate 54 and the right plate 55, and the first hooks are correspondingly arranged in the first hook holes one by one.

More preferably, the lower side surface of the bottom plate 51 is further symmetrically provided with two limiting columns, the side surface of the front plate 52 close to the bottom plate 51 is correspondingly provided with two limiting parts, limiting holes are formed in the limiting parts, and the limiting columns are inserted into the limiting holes in a one-to-one correspondence manner.

More preferably, two second hook holes are correspondingly formed in the upper side surface of the front plate 52, second hooks are correspondingly formed in the front side surfaces of the left plate 54 and the right plate 55, and the second hooks are correspondingly clamped in the second hook holes one by one.

More preferably, the lower end of the rear plate 53 is rotatably coupled to the rear end of the base plate 51. Just car hopper module 5 still includes retaining member and locking axle, the retaining member is established to two to rotate respectively set up in left side board 54 with on the lateral surface of right side board 55, the locking axle is also established to two, and correspond set up in on the side of controlling of back plate 53. Still be equipped with on the retaining member and be used for holding the recess of locking axle, the retaining member rotates, the locking axle card is located in the recess.

In the preferred embodiment, the head module 4 includes a bottom case 41, a hood 42, and a power supply 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 by external impact, 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 groove 411, the power supply 43 is mounted in the mounting groove 411, and one end of the engine cover 42 is rotatably connected to an opening of the mounting groove 411, and the other end of the engine cover can be connected to an opening of the mounting groove 411 through a snap. The hood 42 may cover an opening of the mounting groove 411 to prevent foreign substances from entering the mounting groove 411, and may also prevent external heavy objects from directly striking the power supply 43. The hood 42, which is rotatably disposed, is also easily opened or closed, and the user can easily replace the power supply 43.

More preferably, the lower side of the mounting groove 411 may be provided with a through hole through which a power supply line passes. The electrical wire may have one end connected to the power source 43 and the other end electrically connected to the control member, the engine, and the driving member 121, respectively, i.e., the power source 43 may supply power to the electric components of the remote control truck. It is noted that, since the motor 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 motor and the control member is small, which facilitates the use of an electric wire connection. And the electric wires are located between the mounting plate and the bottom case 41 without being subjected to impacts from the upper and lower sides, so that the electric connection between the power source 43 and the motor and the control member is stabilized.

In a preferred embodiment, the head module 4 further includes a grid plate, a front light, a contour light, a right guard plate, a wiper, a front windshield, a rear view mirror, a right glass, a rear glass, a left glass, a steering wheel, a center control plate, a left guard plate, a head seat, and the like, and the components are adhered to the bottom shell 41 in a one-to-one correspondence manner to form a complete head.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A remotely controlled truck, comprising:

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

the shock absorption structure (2) comprises a shock absorption piece (21) and a limiting piece (22), the limiting piece (22) is fixedly arranged on the vehicle beam (11), the shock absorption piece (21) is arranged on the limiting piece (22) in a sliding mode, and at least one end of the shock absorption piece (21) is provided with a sliding groove (211);

the differential device (3) comprises a shell (31), a bearing (32) and a differential (33), the shell (31) is arranged on the shock absorption piece (21), an accommodating cavity (311) is formed in the shell, the bearing (32) is movably arranged in the accommodating cavity (311), and the differential (33) is arranged in the accommodating cavity (311) in a suspended mode 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).

2. A remotely controlled truck according to claim 1, wherein the shock absorbing member (21) comprises a first plane portion (212), two arc portions (213) and two second plane portions (214), the two arc portions (213) being symmetrically disposed on both ends of the first plane portion (212), the two second plane portions (214) being symmetrically disposed on ends of the two arc portions (213) remote from the first plane portion (212); the sliding groove (211) is arranged on the second plane part (214).

3. A remotely controlled truck according to claim 1, wherein the slide groove (211) extends in the longitudinal direction of the shock absorbing member (21), and the width of the end of the slide groove (211) near the middle of the shock absorbing member (21) is smaller than the width of the end of the slide groove (211) remote from the middle of the shock absorbing member (21).

4. A remotely controlled truck according to claim 1, wherein the retaining member (22) comprises a first retaining plate (221) and a second retaining plate (222) provided on the left and right sides of the body frame (11), and a connecting plate (223) connected between the first retaining plate (221) and the second retaining plate (222); shock-absorbing structure (2) still include setting element (23), setting element (23) one end pass spout (211) with connecting plate (223), and with car roof beam (11) fixed connection.

5. A remotely controlled truck according to claim 1, characterised in that the differential (33) comprises a gear set (331) and two output shafts (332), one end of the two output shafts (332) being connected to the gear set (331) and the other end passing through the bearing (32) and extending outside the housing (31).

6. A remotely controlled truck according to claim 5, characterized in that at least one of the output shafts (332) is provided with a step (333), and that the step (333) is spaced from the gear wheel set (331).

7. A remotely controlled truck according to claim 5, characterized in that a first recess (312) is formed in the receiving cavity (311), the bearing (32) being arranged in the first recess (312), the wall of the first recess (312) being provided with an arc-shaped portion (313), part of the output shaft (332) being arranged in the arc-shaped portion (313), the first recess (312) and the arc-shaped portion (313) each having a diameter larger than the diameter of the bearing (32).

8. A remotely controlled truck according to claim 1, characterised in that the head module (4) comprises a bottom shell (41), a hood (42) and a power supply (43), the bottom shell (41) being removably connected to the beam (11); and the side is equipped with mounting groove (411) on drain pan (41), bonnet (42) rotate set up in the opening part of mounting groove (411), power (43) set up in mounting groove (411).

9. A remotely controlled truck according to claim 1, wherein the bed module (5) comprises a floor (51), and a front plate (52), a rear plate (53), a left plate (54) and a right plate (55) which are detachably connected to the floor (51) at the front, rear, left and right sides.

10. A remotely controlled truck according to claim 9, characterised in that the frame module (1) further comprises a lifting device (12) and an oil tank (13), the lifting device (12) comprising a driving member (121), a first rotating rod (122) and a second rotating rod (123), the oil tank (13) being detachably connected to one of the beams (11), the driving member (121) being arranged in the oil tank (13), one end of the first rotating rod (122) being fixedly connected to the output end of the driving member (121), the other end being fixedly connected to one end of the second rotating rod (123), the other end of the second rotating rod (123) being rotatably connected to the underside of the base plate (51).