CN217472695U - Chassis assembly and model car - Google Patents

Abstract

The utility model relates to the technical field of model cars, and discloses a chassis assembly and a model car, wherein the chassis assembly comprises a chassis, a wheel shaft and a protective cover, wherein the wheel shaft is rotationally connected with the chassis and extends along the width direction of the chassis, and two ends of the wheel shaft extend from two sides of the chassis to form extension parts; the protective cover is connected with the chassis and comprises two connecting parts, the two connecting parts are respectively positioned on two sides of the chassis and are rotatably connected with the extending part, the extending part extends out of the outer side of the connecting part for a set length, and the connecting parts can be connected with wheel shafts in the width direction of the chassis to play a role in increasing the wheel track, so that a vehicle type with a larger wheel track is supported, the chassis does not need to be replaced, the development cost can be reduced, the development period is saved, and the model vehicle with the chassis assembly also has the advantages.

Description

Chassis assembly and model car

Technical Field

The utility model belongs to the technical field of model car technique and specifically relates to a chassis assembly and model car is related to.

Background

The model cars are of various types, some model cars are designed and manufactured in a mode of reducing the proportion of original cars, the basic structure of the model car is generally that wheels, a car shell, a drive and other modules are assembled on a chassis, and different chassis are needed to be configured because different car types have different structures and appearances, particularly the wheel tracks of the wheels are different, so that the corresponding chassis needs to be developed for adapting to assembly, the development cost and the manufacturing cost of the model car are higher, and the development period is long.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a chassis assembly can be applicable to multiple motorcycle type to reduce development cost.

The chassis assembly according to an embodiment of the first aspect of the present invention comprises a chassis, a wheel axle and a protective cover, wherein the chassis has a set length and width; the wheel shaft is rotatably connected to the chassis and extends along the width direction of the chassis, and two ends of the wheel shaft extend out of two sides of the chassis to form extending parts; the protective cover connect in the chassis, the protective cover includes two connecting portion, two connecting portion are located respectively the both sides on chassis rotate connect in the extension, the extension certainly the outside of connecting portion is stretched out and is set for length for connect the wheel.

The utility model discloses the chassis assembly has following beneficial effect at least: the connecting part can be connected with the wheel axle in the width direction of the chassis to play a role in increasing the wheel track, so that the vehicle type with larger wheel track is supported, the chassis does not need to be replaced, the development cost can be reduced, and the development period can be saved.

According to some embodiments of the utility model, connecting portion are provided with the mounting groove, be provided with the axle sleeve in the mounting groove, the shaft passes through the axle sleeve rotate connect in connecting portion.

According to some embodiments of the present invention, the protective cover further comprises a protective guard surrounding an end portion of the chassis in a longitudinal direction, and a first abutting portion located on an inner side of the protective guard for abutting against the shell.

According to some embodiments of the invention, the guard cover comprises a first guard member and a second guard member, the first guard member comprising a first enclosing portion and the first retaining portion, the second guard member comprising a second enclosing portion and the connecting portions on either side of the second enclosing portion, the first and second enclosing portions being aligned with each other and combining to form the guard rail.

According to some embodiments of the present invention, the first protection member further comprises a second abutting portion corresponding to the connecting portion for abutting the shaft sleeve provided in the connecting portion.

According to the utility model discloses a some embodiments, support the portion of holding including roof, lateral wall and diapire, the roof is located the top on chassis, the lateral wall connect in the roof to downwardly extending, the diapire connect in the lateral wall the outside and to the length direction on chassis extends to first enclosure, the diapire connect in first enclosure, first enclosure the diapire with form the holding tank between the lateral wall, be used for holding the hull, the lateral wall is used for supporting the inboard of hull.

According to some embodiments of the invention, the side wall and/or the bottom wall is provided with a first hollowed-out portion.

According to some embodiments of the utility model, still include preceding surround, preceding surround for the protective cover set up in the length direction's on chassis the other end, preceding surround includes first installation department and second installation department, first installation department is used for installing the wheel, the second installation department connect in the chassis.

According to some embodiments of the invention, the front enclosure further comprises a third enclosure, the third enclosure surrounding the chassis in an outer side of the other end.

According to the utility model discloses model car of second aspect embodiment, including hull, wheel and the chassis assembly of the above-mentioned first aspect embodiment, the hull connect in the chassis support in the protective cover, the wheel is located the outside of connecting portion, and connect in the shaft the extension.

The utility model discloses the model car of second aspect embodiment has following beneficial effect at least: the protective cover can be additionally provided with connecting parts at two sides of the chassis in the width direction, the wheel shafts are rotatably connected to the connecting parts, the wheels are connected to the wheel shafts extending out of the connecting parts, so that the wheel distance is increased, and the car shell abuts against the protective cover, so that model cars of different models do not need to be designed with various chassis, the development cost can be reduced, and the development period can be saved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of a chassis assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a portion of the embodiment shown in FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of the embodiment shown in FIG. 1;

FIG. 4 is a schematic diagram illustrating a first shielding element in the embodiment of FIG. 1;

FIG. 5 is a schematic diagram illustrating a second shielding element in the embodiment of FIG. 1;

fig. 6 is a top view of a chassis assembly according to an embodiment of the present invention;

fig. 7 is an exploded view of the front center surrounding member and the wheel according to an embodiment of the present invention;

FIG. 8 is a schematic view of the front enclosure and wheel and chassis assembly shown in FIG. 7;

fig. 9 is a schematic structural diagram of a model car according to an embodiment of the present invention.

Reference numerals:

a chassis 100;

axle 200, extension 201;

the protective cover 300, a first protective piece 310, a first abutting part 311, a top wall 312, a side wall 313, a bottom wall 314, a first surrounding part 315, a first hollow part 316, a reinforcing rib 317, a second abutting part 318, a second arc wall 319, a second protective piece 320, a connecting part 321, a mounting groove 322, a first arc wall 323, a straight wall 324, a second surrounding part 325, a shaft sleeve 326, a limiting hole 327, a second hollow part 328 and a protective guard 330;

the driving device 400, the vehicle shell 500, the wheels 600, the front wheels 601;

a front enclosure 700, a third enclosure 710, a first mounting portion 720, a second mounting portion 730, a connecting bar 740, a third mounting portion 750, and a fourth mounting portion 760.

Detailed Description

The conception and the resulting technical effects of the present invention will be described clearly and completely with reference to the following embodiments, so that the objects, features and effects of the present invention can be fully understood. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected", or "mounted" on another feature, it can be directly disposed, fixed, or connected to the other feature or indirectly disposed, fixed, connected, or mounted on the other feature. In the description of the embodiments of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "greater than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

The chassis of the model car is usually used for bearing and installing modules such as wheels, car shells, drives and the like, and the current model car needs to develop a corresponding chassis because the wheel tracks of the wheels of different car types are different, so that the development cost and the manufacturing cost of the model car are higher, and the development period is long. The embodiment of the utility model provides a chassis assembly and have model car of this chassis assembly, it is applicable in multiple motorcycle type to reduce development cost.

Fig. 1 is a schematic structural view of a chassis assembly according to an embodiment of the present invention, fig. 2 is a schematic partial structural exploded view of fig. 1, a dotted line shows an assembly relationship, fig. 3 is a schematic partial structural view of fig. 1, refer to fig. 1 to 3, and the chassis assembly according to an embodiment of the first aspect of the present invention includes a chassis 100, an axle 200, and a protective cover 300. Wherein, the chassis 100 has a set length and width, the axle 200 is rotatably connected to the chassis 100 and extends along the width direction of the chassis 100, and two ends of the axle 200 protrude from two sides of the chassis 100 to form protruding parts 201. The protective cover 300 is connected to the chassis 100, the protective cover 300 includes two connecting portions 321, the two connecting portions 321 are respectively located at two sides of the chassis 100 and rotatably connected to the extension portion 201, and the extension portion 201 extends from an outer side of the connecting portion 321 by a set length for connecting the wheel 600. Therefore, the connecting part 321 can be connected with the wheel axle 200 in the width direction of the chassis 100 to play a role in increasing the wheel track, so that the vehicle type with larger wheel track is supported, the chassis 100 does not need to be replaced, the size of the connecting part 321 can be configured according to different vehicle types, therefore, the wheel track change of the vehicle types with different wheel tracks can be realized by additionally arranging the protective cover 300, the chassis 100 can be used as a universal component for assembling various modules such as a vehicle shell, a driving device 400 and an electric appliance, and the development cost can be reduced and the development period can be saved.

Referring to fig. 1, in some embodiments, the protective cover 300 further includes a protective guard 330 and a first abutting portion 311, wherein the protective guard 330 surrounds the outer side of the end of the chassis 100 in the length direction, thereby protecting the chassis 100; the first abutting portion 311 is located at an inner side of the guard rail 330 for abutting against the car shell, thereby achieving stable mounting of the car shell without replacing the chassis 100.

Fig. 4 is a schematic structural view of the first protection member 310 in the embodiment shown in fig. 1, fig. 5 is a schematic structural view of the second protection member 320 in the embodiment shown in fig. 1, and referring to fig. 2 to 5, in some embodiments, the protection cover 300 includes the first protection member 310 and the second protection member 320, the first protection member 310 includes a first surrounding portion 315 and the first supporting portion 311, the second protection member 320 includes a second surrounding portion 325 and connecting portions 321 located at two sides of the second surrounding portion 325, and the first surrounding portion 315 and the second surrounding portion 325 are aligned with each other and combined to form the protection guard 330. Thus, the first and second prevention parts 310 and 320 can reduce the complexity of a single part for easy processing, and can be separately assembled and disassembled for more convenient assembly and maintenance. A limiting structure may be disposed between the first surrounding portion 315 and the second surrounding portion 325, for example, one of the first surrounding portion 315 and the second surrounding portion 325 is provided with a limiting hole 327, and a corresponding position of the other is provided with a limiting post, and the limiting post is inserted into the limiting hole 327, so that the limitation of the relative position of the first surrounding portion 315 and the second surrounding portion 325 can be realized; or, one of the first surrounding part 315 and the second surrounding part 325 is provided with a buckle, and the other one is provided with a clamping hole at a corresponding position, and the clamping hole is clamped into the buckle, so that the limit and the connection of the first surrounding part 315 and the second surrounding part 325 can be realized; alternatively, the first and second surrounding portions 315, 325 may also be provided with other limiting structures for positioning and/or connecting therebetween.

Referring to fig. 3 and 5, in some embodiments, the connecting portion 321 is provided with a mounting groove 322, a bushing 326 is provided in the mounting groove 322, the axle 200 is rotatably connected to the connecting portion 321 by the bushing 326, and the bushing 326 is used for limiting the axle 200 to prevent the axle 200 from being radially offset. The mounting slot 322 is shaped to match the profile of the sleeve 326 to mount and position the sleeve 326. Alternatively, the wheel axle 200 may be disposed in the connecting portion 321 in an embedded manner, which may reduce the number of assembly processes.

Referring to fig. 2 to 5, in some embodiments, the first protection element 310 further includes a second abutting portion 318, and the second abutting portion 318 corresponds to the connecting portion 321 on the second protection element 320 and is used for abutting against the shaft sleeve 326 disposed in the connecting portion 321, so that the connection stability of the shaft sleeve 326 can be improved, and thus the stability of the wheel axle 200 can be improved. The mounting groove 322 on the connecting portion 321 includes a first arc wall 323, the first arc wall 323 is adapted to an outer wall of the shaft sleeve 326, and is configured to radially support an outer wall of one side of the shaft sleeve 326, one side of the second supporting portion 318 facing the mounting groove 322 is provided with a second arc wall 319, the second arc wall 319 is configured to radially support an outer wall of the other side, wherein the first arc wall 323 and the second arc wall 319 may be respectively in a semi-circular shape, and the two support outer walls of two sides of the shaft sleeve 326 respectively, so as to circumferentially limit the shaft sleeve 326. Or, the mounting groove 322 on the connecting portion 321 includes a first arc wall 323 and a straight wall 324 extending upward from the first arc wall 323, the first arc wall 323 is in a semi-circular arc shape, the extending length of the straight wall 324 is smaller than the radius of the shaft sleeve 326, so that a portion of the shaft sleeve 326 can be exposed out of the mounting groove 322, one side of the second abutting portion 318 facing the mounting groove 322 is provided with a second arc wall 319, the second arc wall 319 is used for radially abutting against the outer wall of the portion of the shaft sleeve 326 exposed out of the mounting groove 322, and therefore, the first arc wall 323 and the second arc wall 319 respectively abut against the outer walls of the two sides of the shaft sleeve 326 to circumferentially limit the shaft sleeve 326.

Referring to fig. 4, in some embodiments, the abutting portion includes a top wall 312, a side wall 313 and a bottom wall 314, the top wall 312 is located above the chassis 100, the side wall 313 is connected to the top wall 312 and extends downward, the bottom wall 314 is connected to an outer side of the side wall 313 and extends to a first enclosing portion 315 in a length direction of the chassis 100, the bottom wall 314 is connected to the first enclosing portion 315, thereby a receiving groove is formed among the first enclosing portion 315, the bottom wall 314 and the side wall 313 for receiving the shell, the side wall 313 is used for abutting against an inner side of the shell to assist in fixing the shell, thereby a stable installation of the shell can be achieved without replacing the chassis 100, and the shell is received in the receiving groove, and the first enclosing portion 315 can also achieve an effective protection effect on a bottom of the shell received in the receiving groove to prevent the shell from being damaged by a force.

Referring to fig. 4, the first hollowed-out portion 316 may be disposed on the side wall 313 and/or the bottom wall 314, so that the weight of the first protection member 310 can be effectively reduced, and the model vehicle can be prevented from being excessively occupied. In addition, the bottom wall 314 can be further provided with a reinforcing rib 317, and the reinforcing rib 317 is connected to the side wall 313 and the first surrounding portion 315, so that the force bearing capacity of the bottom wall 314 is improved, and the problem that the bottom wall 314 is damaged due to the fact that the first surrounding portion 315 is collided and the bottom wall 314 is extruded is effectively avoided. Referring to fig. 5, the second enclosing portion 325 of the second protection component 320 may also be provided with a second hollow portion 328, which can effectively reduce the weight of the second protection component 320.

Referring to fig. 2, in some embodiments, a driving device 400 is further included, and the driving device 400 is connected to the chassis 100 for driving the axle 200 to rotate. The driving means 400 may be configured as a conventional driving means 400 of a model car, for example, comprising a driving member drivingly connected to the axle 200, and a driving member for driving the driving member in motion to transmit the motion to the axle 200, thereby rotating the axle 200, for example, the driving member may be a motor commonly used for model cars, and the driving member may be a gear transmission mechanism commonly used for model cars, thereby achieving transmission of motion. Therefore, in the chassis assembly of the embodiment of the present invention, the chassis 100 can be used as a general component, the driving device 400 and other devices are assembled on the chassis 100, and through the different protective covers 300 and the matching of the chassis 100, the loading and the assembling of different wheel-track vehicle types can be realized, thereby avoiding the development and the assembly of various chassis 100, and saving the development cost and the period.

Referring to fig. 2 to 4, the top wall 312 of the first abutting portion 311 covers the driving device 400 correspondingly, so as to protect the driving device 400 and abut against the vehicle shell, and the top wall 312 is connected to the chassis 100 or the outer shell of the driving device 400 through screws.

Fig. 6 is a top view of a chassis assembly according to an embodiment of the present invention, referring to fig. 2, 3 and 6, in some embodiments, the chassis assembly further includes a front surrounding member 700, and the front surrounding member 700 is disposed at the other end of the chassis 100 in the length direction with respect to the protective cover 300.

Fig. 7 is an exploded schematic view of a front surrounding member and a wheel in an embodiment of the present invention, fig. 8 is an assembly schematic view of the front surrounding member and the wheel shown in fig. 7 and a chassis, fig. 7 and 8 are possible, the front surrounding member 700 includes a first mounting portion 720 and a second mounting portion 730, the first mounting portion 720 is used for mounting a front wheel 601, the second mounting portion 730 is connected to the chassis 100, the first mounting portion 720 is located at two ends of the second mounting portion 730, and therefore, the front wheel track can be changed by replacing the front surrounding member 700 without replacing the chassis 100.

Referring to fig. 7 and 8, the front enclosure 700 further includes a third enclosure portion 710, and the third enclosure portion 710 is connected to the chassis 100 and/or the second mounting portion 730 to achieve a fixed mounting of the third enclosure portion 710. The third surrounding portion 710 surrounds the outside of the other end of the chassis 100, thereby forming a protection for the end of the chassis 100 and avoiding damage caused by direct collision with the vehicle shell or the chassis 100. For example, the protective cover 300 is disposed at the rear end of the chassis 100 and the front enclosure 700 is disposed at the front end of the chassis 100 along the length direction of the chassis 100, so that the third enclosure 710 of the front enclosure 700 and the protective guard 330 of the protective cover 300 protect the front end and the rear end of the chassis 100, respectively, and serve as a bumper to help ensure the structural stability of the model car.

Referring to fig. 7, the front surrounding member 700 further includes a connection bar 740, the connection bar 740 includes a third mounting portion 750 and a fourth mounting portion 760, the third mounting portion 750 is connected to the chassis 100 and/or the second mounting portion 730, the front wheel 601 of the model car is connected to the first mounting portion 720 and the fourth mounting portion 760 through a separate mounting shaft 602, the mounting shaft 602 is respectively disposed on the first connecting shaft 603 and the second connecting shaft 604 in the up-down direction, and the first connecting shaft 603 and the second connecting shaft 604 are respectively connected to the first mounting portion 720 and the fourth mounting portion 760, thereby achieving the mounting of the front wheel. The specific dimensions of the first, second, third and fourth mounting portions 720, 730, 750 and 760 of the front surrounding member 700 may be configured according to different vehicle models, and thus, the vehicle models having different wheel pitches may change the wheel pitches by replacing the front surrounding member 700, and the chassis 100 may be used as a general assembly for assembling various modules such as a vehicle case, a driving device, and an electric appliance, thereby reducing the development cost and saving the development period. According to the above, the utility model discloses the chassis assembly can be used to the assembly of various model cars, can be applicable to multiple motorcycle type, can effectively reduce the development cost of model car, and the guard action of the front end and/or the rear end on chassis 100 can also be realized to some embodiments to improve the structural stability of model car.

Fig. 9 is a schematic structural view of a model car according to an embodiment of the present invention, referring to fig. 6 and 9, a second embodiment of the present invention provides a model car, including a shell 500, a wheel 600 and the chassis assembly of the first embodiment, wherein the shell 500 is connected to the chassis 100 and supported by the protective cover 300, and the wheel 600 is located outside the connecting portion 321 and connected to the extension 201 of the axle 200. The protective cover 300 is arranged to increase the connecting portions 321 on both sides of the chassis 100 in the width direction, the wheel axle 200 is rotatably connected to the connecting portions 321, the wheel 600 is connected to the wheel axle 200 extending from the connecting portions 321, so that the wheel distance is increased, and the cover 500 abuts against the protective cover 300, so that model cars of different models do not need to design various chassis 100 and assembling processes thereof, thereby reducing the development cost and saving the development period.

As can be seen from the above embodiments, the front enclosure 700 is further connected to the front end of the chassis 100, and the protective cover 300 is connected to the rear end, wherein the third enclosure 710 of the front enclosure 700 surrounds the outer side of the front end of the chassis 100, and the protective guard 330 of the protective cover 300 surrounds the outer side of the rear end of the chassis 100, so that the front end and the rear end of the chassis 100 can be protected, the chassis 100 and/or the shell 500 can be prevented from being damaged by direct collision, and the structural stability of the model car can be ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A chassis assembly, comprising:

a chassis having a set length and width;

the wheel shaft is rotatably connected to the chassis and extends along the width direction of the chassis, and two ends of the wheel shaft extend out of two sides of the chassis to form extending parts;

the protective cover, connect in the chassis, the protective cover includes two connecting portion, two connecting portion are located respectively the both sides on chassis rotate connect in the extension, the extension certainly the outside of connecting portion is stretched out and is set for length for connect the wheel.

2. The chassis assembly of claim 1, wherein the connecting portion is provided with a mounting slot, wherein a bushing is disposed within the mounting slot, and wherein the axle is rotatably coupled to the connecting portion via the bushing.

3. The chassis assembly of claim 2, wherein the protective cover further comprises a protective guard surrounding the outer side of the longitudinal end of the chassis and a first abutting portion located at the inner side of the protective guard for abutting against the shell.

4. The chassis assembly of claim 3, wherein the guard cover includes a first guard member including a first surrounding portion and the first abutment portion, and a second guard member including a second surrounding portion and the connecting portion on either side of the second surrounding portion, the first and second surrounding portions being aligned with one another and combining to form the guard rail.

5. The chassis assembly of claim 4, wherein the first guard further comprises a second abutting portion corresponding to the connecting portion for abutting against the bushing disposed in the connecting portion.

6. The floor assembly of claim 4, wherein the retaining portion includes a top wall, a side wall and a bottom wall, the top wall is located above the floor, the side wall is connected to the top wall and extends downward, the bottom wall is connected to an outer side of the side wall and extends to the first enclosing portion along a length direction of the floor, the bottom wall is connected to the first enclosing portion, a receiving groove is formed among the first enclosing portion, the bottom wall and the side wall for receiving the vehicle shell, and the side wall is used for retaining an inner side of the vehicle shell.

7. The floor assembly of claim 6, wherein the side wall and/or the bottom wall is provided with a first hollowed-out portion.

8. The chassis assembly of any of claims 1 to 7, further comprising a front enclosure disposed at an opposite end of the chassis from the protective cover, the front enclosure including a first mount for mounting a wheel and a second mount connected to the chassis.

9. The floor assembly of claim 8, wherein the front enclosure further comprises a third enclosure surrounding an outer side of the other end of the floor pan.

10. A model car comprising a shell connected to said chassis and abutting said protective cover, a wheel located outboard of said connection and connected to said extension of said axle, and a chassis assembly as claimed in any one of claims 1 to 9.

Images