Steadily-connected rolling vehicle driving mechanism

Abstract

The utility model provides a rolling vehicle driving mechanism with stable connection, which comprises a motor, a swing arm, a transmission system which is driven by the motor to be rotatably connected in the swing arm, a mounting seat, a fixing seat and a protective gasket, one end of the mounting seat is provided with a connecting end wall which is in running fit with the swing arm, the connecting end wall is provided with a first through hole through which the motor rotating shaft passes, and the fixed seat and the protective gasket are clamped in the swing arm; the fixing base is fixed to the connecting end wall, a second through hole corresponding to the first through hole is formed in the fixing base, the protective gasket is fixed to the fixing base, a third through hole corresponding to the second through hole is formed in the protective gasket, and the protective gasket is connected with the inner wall of the swing arm in an abutting mode. The driving mechanism can ensure that the swing arm can be rotatably clamped between the mounting seat and the fixed seat, and can also prevent looseness between the mounting seat and the fixed seat, so that the structural stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a technical field at toy car, especially a kind of rollover car driving mechanism of stable connection. BACKGROUND

[0002] The existing rollover toy car generally refers to the toy car that can roll over as a whole, and there is a kind of rollover toy car on the market, and the car body and two rollover arms can be turned over, and the improved rollover toy car provided by Chinese patent CN201020003665.5 has two driving mechanisms in the car body, and the two rollover arms are rotatably fixed on the left and right sides of the car body, and four wheels are respectively installed on the front and rear ends of the two rollover arms, and each driving mechanism is connected to the two wheels at the front and rear ends of a rollover arm through two transmission mechanisms, so that the toy car can complete a variety of actions, and has very good playability and interestingness. In the existing structure, the rollover arm is commonly connected to the car body by rotating disc, and this connection mode is not stable enough, and is easy to be knocked off, which leads to poor use of the rollover car. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art, and therefore, the utility model provides a rollover car driving mechanism with stable connection.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a rollover car driving mechanism with stable connection, which comprises a motor, a swing arm, and a transmission system rotatably connected to the swing arm driven by the motor, and further comprises a mounting seat, a fixing seat and a protective gasket, the motor is fixedly installed in the mounting seat, one end of the mounting seat is provided with a connecting end wall rotatably matched with the swing arm, a first through hole for the rotating shaft of the motor to pass through is formed in the connecting end wall, the fixing seat and the protective gasket are clamped in the swing arm, the fixing seat is fixed with the connecting end wall and has a second through hole corresponding to the first through hole, the protective gasket is fixed with the fixing seat and has a third through hole corresponding to the second through hole, and the protective gasket is top-holding connected with the inner wall of the swing arm.

[0005] As a preferred scheme, the connecting end wall is outwardly provided with a positioning block, the fixing seat is recessed with a positioning cavity corresponding to the positioning block, and the positioning block is inserted into the positioning cavity.

[0006] As a preferred scheme, the fixing seat is outwardly provided with a fixing block, the protective gasket is recessed with a fixing cavity corresponding to the fixing block, and the fixing block is inserted into the fixing cavity.

[0007] As a preferred solution, the transmission system comprises a driving gear fixed with the rotating shaft of the motor, and a first gear set and a second gear set respectively engaged with the driving gear, the rotating diameter of the driving gear is smaller than the diameter of the third through hole, and the end gears of the first gear set and the second gear set respectively rotate and extend from the two ends of the swing arm.

[0008] As a preferred solution, the mounting seat comprises two cover bodies fixedly connected, and the cover bodies are provided with mounting cavities for fixing the motor, one end of the cover bodies is provided with the connecting end wall, and the other end is provided with a fixing structure, and the two cover bodies are detachably connected through the fixing structure.

[0009] As a preferred solution, the fixing structure comprises a first connecting column and a second connecting column, and the cover bodies are respectively provided with a first connecting column and a second connecting column distributed along the outer circumferential line on the opposite sides, the first connecting column and the second connecting column on the cover bodies are arranged alternately, and the first connecting column and the second connecting column are fixed through fasteners.

[0010] As a preferred solution, the outer wall of the cover body is further provided with a first clamping position and / or a second clamping position, the first clamping position can be clamped and fixed with the external vehicle body, and the second clamping position can be inserted and fixed with the external vehicle body.

[0011] As a preferred solution, the side wall of the mounting cavity is provided with a notch, and the inner wall of the mounting cavity is provided with a plurality of convex ribs, and at least part of the convex ribs are clamped and fixed with the motor.

[0012] As a preferred solution, it further comprises a light assembly, the light assembly comprises a circuit board fixed in the swing arm and a light emitter provided on the circuit board, and the light emitter passes through and is exposed outside the swing arm.

[0013] As a preferred solution, the swing arm comprises a first shell and a second shell, the middle part of the first shell is provided with a mounting hole rotatably matched with the connecting end wall, the second shell is recessed with a recess for accommodating and fixing the circuit board, the recess is provided with a through hole for the light emitter to pass through, and the inner wall of the second shell is provided with a top holding column movably connected with the protective gasket.

[0014] Therefore, according to the technical means of the utility model, the utility model can obtain the efficacy briefly explained as follows: the utility model discloses a connection stable's turnover vehicle drive mechanism fixes motor in mounting seat, makes swing arm rotation cooperation in the connecting end wall of mounting seat, and swing arm is equipped with fixed seat and fixed protection gasket with fixed seat, and protection gasket is connected with the inner wall of swing arm.The above-mentioned setting can ensure that swing arm can be clamped between mounting seat and fixed seat, even if the swing arm is impacted with great force, it also cannot make it easily separate from mounting seat.At the same time, the top-holding cooperation of protection gasket and swing arm inner wall can also prevent mounting seat and fixed seat from loosening, further increase structural stability, ensure the stable connection of swing arm on mounting seat. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of preferred embodiment of the utility model.

[0016] Figure 2 It is the structure schematic diagram of preferred embodiment of the utility model. Figure 1 It is the exploded structure schematic diagram of drive mechanism.

[0017] Figure 3 It is the structure schematic diagram of preferred embodiment of the utility model. Figure 2 It is the structure schematic diagram of second shell.

[0018] Figure 4 It is the structure schematic diagram of preferred embodiment of the utility model. Figure 1 It is the structure schematic diagram of transmission system in swing arm.

[0019] Figure 5 It is the structure schematic diagram of preferred embodiment of the utility model. Figure 1 It is the partial exploded structure schematic diagram of motor and transmission system, mounting seat, fixed seat and protection gasket.

[0020] Figure 6 It is the structure schematic diagram of preferred embodiment of the utility model. Figure 1 It is the cross-section structure schematic diagram of drive mechanism.

[0021] In the drawing: 1: motor;2: swing arm;21: first shell;211: mounting hole;22: second shell;221: recess;222: through hole;223: top-holding column;3: transmission system;31: drive gear;32: first gear set;33: second gear set;310: first gear;320: second gear;330: third gear;4: mounting seat;40: cover body;41: mounting cavity;411: notch;412: convex rib;42: connecting end wall;421: first through hole;422: positioning block;423: first connecting hole;43: sleeve;44: first connecting column;45: second connecting column;46: first clamping position;47: second clamping position;5: fixed seat;51: second through hole;52: positioning cavity;53: second connecting hole;54: fixed block;6: protection gasket;61: third through hole;62: fixed cavity;7: light assembly;71: circuit board;72: illuminant. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model. It can be understood that the drawings are provided for reference and illustration only, and are not used to limit the utility model. The connection shown in the drawings is only for the convenience of clear description, and does not limit the connection mode.

[0023] It is understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like are described based on the direction or position relationship shown in the drawings of the utility model, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the indicated device or element to have a special direction or position relationship. It should be noted that when one piece is considered to be "connected" to another piece, it can be directly connected to the other piece or a middle piece can exist at the same time. It is understood that the terms such as "first", "second" and the like are only for the convenience of describing the technical solutions of the utility model, and are not intended to indicate that the indicated device or element must have a special order, and therefore cannot be understood as limiting the utility model. Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as understood by those skilled in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model.

[0024] As shown in the drawings, the present embodiment provides a connection stable rollover vehicle driving mechanism, comprising a motor 1, a swing arm 2, a transmission system 3 driven to rotate by the motor 1 and connected in the swing arm 2, a mounting seat 4 for fixing the motor 1, a fixing seat 5 and a protective gasket 6 fixed on the mounting seat 4 in turn, and a light assembly 7 fixed in the swing arm 2. Among them, the number of the motor 1 and the swing arm 2 is two, and each swing arm 2 is installed with a transmission system 3 and a light assembly 7. In other embodiments, the driving mechanism can not have a light assembly 7. Figures 1-6 Each swing arm 2 comprises a first housing 21 and a second housing 22, and the first housing 21 and the second housing 22 can be detachably connected by using plug-in structure, bolt fixing structure, buckle structure and the like to facilitate the installation of the transmission system 3 and the light assembly 7.

[0025]

[0026] ​In the embodiment, the middle part of the first shell 21 is provided with a mounting hole 211 rotatably matched with the mounting base 4. The second shell 22 is concavely provided with a groove 221 for accommodating and fixing the light assembly 7, and the groove 221 is provided with a through hole 222 for allowing part of the light assembly 7 to pass through. The inner wall of the second shell 22 is provided with a top holding column 223 movably connected with the protective gasket 6, for further top holding and fixing the protective gasket 6 on the fixing base 5, and increasing the structural stability. In other embodiments, the mounting hole 211 can be provided at a position deviating from the middle part of the first shell 21. If the light assembly 7 is not provided in the swing arm 2, the groove 221 and the through hole 222 can not be provided in the second shell 22.

[0027] Each transmission system 3 comprises a driving gear 31 fixed with the rotating shaft of the motor 1, and a first gear set 32 and a second gear set 33 respectively engaged with the driving gear 31. The rotating diameter of the driving gear 31 is smaller than the diameter of the third through hole of the protective gasket 6, so that at least part of the driving gear 31 can be rotatably accommodated in the protective gasket 6, and the rationality of the structural distribution design is increased, and the structure is compact.

[0028] The end gears of the first gear set 32 and the second gear set 33 are rotatably extended at both ends of the swing arm 2, for driving the front and rear wheels of the tumbler. In the embodiment, the first gear set 32 and the second gear set 33 each comprise a first gear 310, a second gear 320 and a third gear 330 engaged in sequence, wherein the first gear 310 is engaged with the driving gear 31, and the rotating shaft of the third gear 330 is rotatably extended from the swing arm 2 to be fixed with the wheels of the tumbler. It can be understood that the transmission ratio between the driving gear 31, the first gear 310, the second gear 320 and the third gear 330 is about 24, for decelerating driving the wheels, so that the wheels can be rotatably and stably. In other embodiments, the first gear set 32 and the second gear set 33 can also adopt a plurality of gears engaged in sequence with different transmission ratios, for matching different motor rotating speeds and swing arm structural settings.

[0029] The mounting base 4 comprises two cover bodies 40 fixedly connected, and the cover body 40 is provided with a mounting cavity 41 for fixing the motor 1. One end of the cover body 40 is provided with a connecting end wall 42, and the other end is provided with a fixing structure, and the two cover bodies 40 are detachably connected through the fixing structure. The above structural arrangement of the mounting base 4 can arrange the two motors 1 linearly adjacent to each other. In the embodiment, in order to increase the connection stability of the two motors 1, the ends of the two motors 1 are fixed as a whole through a same sleeve 43. In other embodiments, the sleeve 43 can not be provided in the mounting base 4.

[0030] The side wall of the mounting cavity 41 is provided with a notch 411 to facilitate the installation of the motor 1 and increase the heat dissipation efficiency. The inner wall of the mounting cavity 41 is provided with a plurality of convex ribs 412, which can be inclined plate structures, so that at least part of the convex ribs 412 can clasp and fix the motor 1, and at the same time, there is a gap between the cavity wall of the mounting cavity 41 and the motor 1 to further increase the heat dissipation efficiency.

[0031] The connecting end wall 42 is a boss structure protruding outward, and the connecting end wall 42 is rotationally connected with the mounting hole 211 to realize the rotational connection between the mounting seat 4 and the swing arm 2. The connecting end wall 42 is provided with a first through hole 421 for the rotating shaft of the motor 1 to pass through, so that the rotating shaft of the motor 1 can extend into the swing arm 2 through the first through hole 421 to fix the drive gear 31. It can be understood that the connecting end wall 42 is provided with a positioning block 422 protruding outward, which is inserted and fixed in the fixed seat 5 to realize the positioning connection and limit the circumferential rotation of the two.

[0032] In this embodiment, the first through hole 421 is located in the middle of the connecting end wall 42, and the connecting end wall 42 is provided with a plurality of first connecting holes 423 around the first through hole 421, which can be fixedly connected with the second connecting holes on the fixed seat 5 through fasteners (such as bolts, rivets, etc.), so as to realize the fastening connection between the connecting end wall 42 and the fixed seat 5. In other embodiments, the first through hole 421 can be arranged at an eccentric position of the connecting end wall 42, and the connecting end wall 42 can be provided with other fixing structures for realizing the fixed connection with the fixed seat 5, such as a plug-in structure, a welding structure, a buckle structure, etc.

[0033] The fixing structure includes a first connecting column 44 and a second connecting column 45, wherein the cover body 40 is provided with a first connecting column 44 and a second connecting column 45 on the two sides opposite to the notch 411 along the outer circumferential line, and the plurality of first connecting columns 44 and the plurality of second connecting columns 45 on the cover body 40 are arranged alternately, and the first connecting column 44 and the second connecting column 45 are fixed by fasteners (such as bolts, rivets, etc.). It can be understood that the above-mentioned arrangement of the fixing structure can realize the fixation of the two cover bodies 40 in a way that the open ends are opposite to each other, so as to realize the fixed connection between the two cover bodies 40.

[0034] In the embodiment, the outer wall of the cover body 40 is further provided with a first clamping site 46 and a second clamping site 47. The first clamping site 46 is arranged as a clamping plate fixed between the first connecting column 44 and the second connecting column 45. The clamping plate can be clamped and fixed to the external vehicle body, and is used to fixedly connect the mounting seat 4 to the external vehicle body. The second clamping site 47 is arranged as a protruding column protrudingly arranged on the outer wall of the mounting seat 4. The protruding column can be insertedly and fixedly connected to the external vehicle body, and is used to further fixedly connect the mounting seat 4 to the external vehicle body. In other embodiments, the cover body 40 can be provided with only the first clamping site 46 or the second clamping site 47. The number and position distribution of the first clamping site 46 and the second clamping site 47 can be adjusted according to the structure of the external vehicle body.

[0035] The fixing seat 5 and the protective gasket 6 are clamped in the swing arm 2, that is, the diameter (or size) of the fixing seat 5 and the protective gasket 6 is greater than the mounting hole 211, so that the fixing seat 5 and the protective gasket 6 cannot be separated from the swing arm 2. The fixing seat 5 is provided with a second through hole 51 corresponding to the first through hole 421, so that the rotating shaft of the motor 1 can pass through. The fixing seat 5 is recessed at a position corresponding to the positioning block 422 to form a positioning cavity 52, and the positioning block 422 is inserted into the positioning cavity 52. The fixing seat 5 is provided with a second connecting hole 53 at a position corresponding to the first connecting hole 423, and the second connecting hole 53 is fixed with the first connecting hole 423 by the fastener.

[0036] In the embodiment, the fixing seat 5 is outwardly protrudingly provided with a fixing block 54, the fixing block 54 is insertedly and fixedly arranged in the protective gasket 6, and plays a role of fixedly connecting the fixing seat 5 and the protective gasket 6. In other embodiments, the fixing seat 5 can be outwardly protrudingly provided with other fixing structures for fixedly connecting the protective gasket 6, such as a buckle block.

[0037] The protective gasket 6 is provided with a third through hole 61 corresponding to the second through hole 51, and the diameter of the third through hole 61 is greater than the rotating diameter of the driving gear 31, so as to rotatably accommodate the driving gear 31. In the embodiment, the protective gasket 6 is recessed at a position corresponding to the fixing block 54 to form a fixing cavity 62, and the fixing block 54 is inserted into the fixing cavity 62. The protective gasket 6 is movably abuttingly connected with the top-holding column 223, plays a role of preventing the mounting seat 4 and the fixing seat 5 from being loose, and increases the structural stability. In other embodiments, if the fixing seat 5 is provided with a buckle block or other fixing structure, the protective gasket 6 can be correspondingly provided with a structure such as a buckle opening for fixedly connecting with the fixing structure.

[0038] The light assembly 7 includes a circuit board 71 fixedly arranged in the swing arm 2 and a light emitter 72 arranged on the circuit board 71. The circuit board 71 is fixedly accommodated in the groove 221, and the light emitter 72 passes through the through hole 222 and is exposed outside the swing arm 2.

[0039] For the sake of clarity, certain features of the present utility model described in separate embodiments can be combined in a single embodiment. Also, various features of the present utility model described in a single embodiment can be used in separate embodiments or in any suitable sub-combination.

Claims

1. A securely connected trolley drive mechanism, comprising a motor, a swing arm, and a transmission system rotatably connected to the swing arm by the motor, characterized in that, It also includes a mounting base, a fixing base, and a protective gasket. The motor is fixedly installed in the mounting base. One end of the mounting base is provided with a connecting end wall that rotates with the swing arm. The connecting end wall has a first through hole for the motor shaft to pass through. The fixing base and the protective gasket are engaged in the swing arm. The fixing base is fixed to the connecting end wall and has a second through hole corresponding to the first through hole. The protective gasket is fixed to the fixing base and has a third through hole corresponding to the second through hole. The protective gasket is abutting and connected to the inner wall of the swing arm.

2. The securely connected rollover vehicle drive mechanism as described in claim 1, characterized in that, A positioning block is provided protruding outward on the connecting end wall, and a positioning cavity is provided in the fixing seat at a position corresponding to the positioning block, and the positioning block is inserted into the positioning cavity.

3. The securely connected rollover vehicle drive mechanism as described in claim 2, characterized in that, The fixing base has a fixing block protruding outward, and the protective pad has a fixing cavity recessed at a position corresponding to the fixing block, and the fixing block is inserted into the fixing cavity.

4. The securely connected rollover vehicle drive mechanism as described in claim 1, characterized in that, The transmission system includes a drive gear fixed to the motor shaft, and a first gear set and a second gear set respectively meshing with the drive gear. The rotation diameter of the drive gear is smaller than the diameter of the third through hole. The end gears of the first gear set and the second gear set respectively extend out from both ends of the swing arm.

5. The securely connected rollover vehicle drive mechanism as described in claim 1, characterized in that, The mounting base includes two fixedly connected covers. Each cover has a mounting cavity for fixing the motor. One end of each cover has a connecting end wall, and the other end has a fixing structure. The two covers are detachably connected through the fixing structure.

6. The securely connected rollover drive mechanism as described in claim 5, characterized in that, The fixing structure includes a first connecting post and a second connecting post. On opposite sides of the cover, a first connecting post and a second connecting post are respectively provided at intervals along the outer perimeter. The first connecting post and the second connecting post on the cover are arranged alternately, and the first connecting post and the second connecting post are fixed by fasteners.

7. The securely connected rollover vehicle drive mechanism as described in claim 5, characterized in that, The outer wall of the cover is also provided with a first locking position and / or a second locking position. The first locking position can be locked and fixed to the external vehicle body, and the second locking position can be inserted and fixed to the external vehicle body.

8. The securely connected rollover vehicle drive mechanism as described in claim 5, characterized in that, The side wall of the mounting cavity has a notch, and the inner wall of the mounting cavity is provided with a plurality of protruding ribs at intervals, at least some of the protruding ribs being held and fixed with the motor.

9. The securely connected rollover vehicle drive mechanism as described in claim 1, characterized in that, It also includes a lighting assembly, which includes a circuit board fixed inside the swing arm and a light-emitting element disposed on the circuit board, the light-emitting element passing through and protruding outside the swing arm.

10. The securely connected rollover vehicle drive mechanism as described in claim 9, characterized in that, The swing arm includes a first housing and a second housing. The first housing has a mounting hole in the middle that can be rotatably fitted onto the connecting end wall. The second housing has a recess for receiving and fixing the circuit board. The recess has a through hole for the light-emitting element to pass through. The inner wall of the second housing has a top support post that can be movably connected to the protective pad.

Images