CN210543325U

CN210543325U - Chassis suitable for toy car

Info

Publication number: CN210543325U
Application number: CN201920625590.5U
Authority: CN
Inventors: 林钟华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-19
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a chassis suitable for toy car, including fixed connection in a support frame on the chassis, respectively rotate connect in two pivots on the support frame, rotate respectively connect in two change epaxial two first wheels, and respectively sliding connection have two the steering mechanism of pivot, wherein steering mechanism includes a control lever, a first transmission group and a first motor, the both ends of control lever slip cap respectively locate two just in the pivot the middle part of control lever is provided with a sawtooth portion, first transmission group with first motor install respectively in the chassis, just first transmission group connects respectively sawtooth portion with first motor. The utility model provides a chassis simple structure is compact, only by first motor control the chassis turns to and does not have the setting of selling the high sensor of price or microprocessor, makes the chassis has the characteristics that the reliability is higher, the suitability is wider, economical and practical simultaneously.

Description

Chassis suitable for toy car

Technical Field

The utility model relates to a toy technical field especially relates to a chassis suitable for toy car.

Background

Existing toy vehicles typically steer via a motor and/or steering device (e.g., a steering sensor, etc.) mounted on the chassis, wherein steering is generally achieved in two ways, the first is by controlling the ratio of the rotational speeds of the two motors on the two wheels of the toy vehicle to achieve steering, and the second is by controlling the angle of travel of the wheels via a steering sensor and/or microprocessor provided in the toy vehicle to achieve steering. However, the toy vehicle in the first mode has low reliability, i.e., steering is not performed when one of the two motors stops operating, and the first mode is not suitable for a small toy vehicle; the second form of the toy vehicle is relatively expensive and economically inefficient.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a chassis for a toy vehicle that is reliable, versatile, and economical.

The utility model provides a chassis suitable for toy car, including fixed connection in a support frame on the chassis, respectively rotate connect in two pivots on the support frame, rotate respectively connect in two change epaxial two first wheels, and respectively sliding connection have two the steering mechanism of pivot, wherein steering mechanism includes a control lever, a first transmission group and a first motor, the both ends of control lever slip cap respectively locate two just in the pivot the middle part of control lever is provided with a sawtooth portion, first transmission group with first motor install respectively in the chassis, just first transmission group connects respectively sawtooth portion with first motor.

As a preferred scheme, each of the rotating shafts includes a first shaft body and a second shaft body arranged along a vertical direction, and a connecting shaft extending outwards along a side wall of the second shaft body, wherein the first shaft body is rotatably connected with the supporting frame through a pin shaft, the second shaft body is rotatably connected with the first wheel through a pin shaft, and the connecting shaft is slidably connected with one end of the control rod.

As a preferred scheme, the control rod is connected between the chassis and the support frame, and the control rod is further provided with two long round holes and a limiting column, wherein each long round hole is located at the end part of the control rod, the connecting shaft is sleeved in the long round hole, and the limiting column is arranged along the middle part of the control rod, protrudes outwards and is connected with the support frame in a butting mode.

As a preferable scheme, the chassis further comprises an adjusting needle, the adjusting needle comprises a cylinder, a pointer which is located at the end of the cylinder and extends outwards in a direction perpendicular to the cylinder, and an eccentric portion which is located at the other end of the cylinder and extends outwards in the extending direction of the cylinder, wherein the cylinder is rotatably connected to the chassis, the pointer is located on the outer wall of the chassis and is connected with the outer wall of the chassis in a buckling manner, and the eccentric portion is connected with part of the support frame in a concave-convex matching manner.

As a preferred scheme, the support frame includes a body fixedly connected to the chassis, two side wings extending outwards along two opposite sides of the body, and a connecting column corresponding to the eccentric portion, wherein each of the side wings is rotatably connected with a rotating shaft, and the connecting column accommodates the eccentric portion and extends outwards in a direction perpendicular to the body.

As a preferable scheme, the chassis comprises a first chassis and a second chassis which is connected with the first chassis in a swinging manner, wherein the support frame, the steering mechanism and the adjusting needle are arranged on the first chassis, and the second chassis is provided with two second wheels which are coaxially connected and a driving mechanism which is connected with the two second wheels in a driving manner.

As a preferred scheme, the first chassis includes first casing and second casing, wherein first casing is adjacent to support frame fixed connection in on the second casing, just first casing is relative the tip of support frame outwards protrudes aslope and has a first connecting portion, the relative both sides of first casing court each protruding the direction of second casing has a limit post, the second casing is relative the tip of first connecting portion outwards protrudes and has a first limiting plate, the relative both sides of second casing correspond the position of limit post is protruding respectively and is stretched a holding tank, wherein first connecting portion through a spring with second chassis elastic connection, first limiting plate with the second chassis can be contradicted and be connected, limit post with the holding tank is in coordination with the second chassis.

As a preferred scheme, the second chassis comprises a third shell and a fourth shell which are fixedly connected, wherein a second connecting portion and a second limiting plate are arranged on the third shell, the second connecting portion is elastically connected with the first connecting portion through the spring, a connecting line of the second connecting portion and the first connecting portion is intersected with a central line of the chassis, the second limiting plate is arranged corresponding to the first limiting plate, and the second limiting plate is connected with the first limiting plate in a butting manner; the end part of the fourth shell facing the containing groove protrudes outwards to form two elastic support arms, and each elastic support arm is connected with the limiting column and the containing groove in a concave-convex matching mode.

As a preferable scheme, each elastic support arm is in a round spoon shape, a concave side of an end portion of each elastic support arm faces the limiting column and is in concave-convex fit connection with the limiting column, and a convex side of the end portion of each elastic support arm faces the accommodating groove and is in concave-convex fit connection with the accommodating groove.

Preferably, the driving mechanism includes a second transmission set and a second motor, wherein the second transmission set is respectively connected to the second motor and the connecting shafts of the two second wheels.

For traditional toy car chassis that realizes turning to through the rotation ratio that changes many motors or through steering sensor, the utility model provides a chassis suitable for toy car through the support frame that sets up, through the pivot rotate connect in first wheel on the support frame, with the pivot removes the control lever of connecting and connects respectively the first transmission group of control lever and first motor realizes turning to. In other words, in the process of forward rotation or reverse rotation of the first motor, the first transmission set drives the control rod to move leftwards or rightwards relative to the chassis, so that the first wheel is driven to move leftwards and rightwards by driving the rotating shaft to realize steering. The utility model provides a chassis suitable for toy car simple structure is compact, only by first motor control the chassis turns to and does not have the setting of selling high sensor or microprocessor, makes the chassis has the characteristics that the reliability is higher, the suitability is wider, economical and practical simultaneously.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 shows a schematic perspective view of a chassis of an embodiment of the present invention in one direction;

FIG. 2 is a schematic perspective view of the chassis of FIG. 1 in another orientation;

FIG. 3 is an exploded perspective view of the first base plate and the components attached to the first base plate of FIG. 1;

FIG. 4 is a schematic perspective exploded view of the second base plate and components attached to the second base plate of FIG. 1;

FIG. 5 is a schematic view of the internal connection of the chassis of FIG. 1 in a right turn;

fig. 6 shows a schematic view of the inner connection structure of the chassis in fig. 1 at a left turn.

Description of the main elements

Chassis 1

First chassis 10

First housing 11

First connection portion 112

Defining posts 114

Second housing 13

First limiting plate 132

Accommodating groove 134

Scale area 136

Second chassis 20

Third casing 21

Second connecting portion 212

Second limiting plate 214

Fourth case 23

Elastic support arm 232

Supporting frame 30

Body 31

Side wing 33

Connecting post 35

Rotating shaft 40

First shaft body 41

Second shaft body 43

Connecting shaft 45

First wheel 50

Steering mechanism 60

Control rod 61

Slotted hole 612

Limiting column 614

Serration 616

First drive train 63

First electric machine 65

Adjustment needle 70

Column 71

Pointer 73

Eccentric part 75

Second wheel 80

Drive mechanism 90

Second transmission set 91

Second electric machine 93

Pin 101

Connecting shaft 102

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connections shown in the drawings are for clarity of description only and are not limiting as to the manner of connection.

It should be understood that the terms "first", "second", "third", "fourth", etc. are used for convenience of describing the technical solution of the present invention, and do not indicate that the referred devices or elements must have special differences, and thus, should not be construed as limiting the present invention. It will be understood that when an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, the present embodiment provides a chassis 1 for a toy vehicle, which includes a first chassis 10, a second chassis 20, a supporting frame 30, a rotating shaft 40, a first wheel 50, a steering mechanism 60, an adjusting pin 70, a second wheel 80, and a driving mechanism 90. In other embodiments of the present invention, the chassis 1 is not limited to be composed of the first chassis 10 and the second chassis 20 in this embodiment, and is also a complete chassis. The chassis 1 is not limited to the embodiment in which the adjustment pin 70 is provided, and the chassis 1 may not be provided with the adjustment pin 70.

Referring to fig. 3 and fig. 4, the first chassis 10 includes a first housing 11 and a second housing 13, wherein the first housing 11 is provided with a first connecting portion 112 and two limiting posts 114. The first connection portion 112 is located at an end opposite to the second chassis 20 and protrudes obliquely outward for being elastically connected with the second chassis 20 by a spring. The two limiting posts 114 are oppositely disposed on two sides of the first housing 11 and protrude toward the second housing 13 for cooperating with a portion of the second housing 13 to connect to the second chassis 20. The first housing 11 and the supporting frame 30 are fixedly connected to the second housing 13, and a first limiting plate 132 protrudes outwards from an end of the first housing 13 opposite to the first connecting portion 112 (i.e. an end opposite to the second chassis 20), and the first limiting plate 132 and a portion of the second chassis 20 can be connected in an abutting manner to limit the swinging direction of the second chassis 20 relative to the first chassis 10. Two opposite sides of the second housing 13 are respectively protruded with a receiving slot 134 corresponding to the position of the limiting column 114, and the recessed surface of each receiving slot 134 faces the limiting column 114 for cooperating with the limiting column 114 to connect the second chassis 20. In this embodiment, the second housing 13 is provided with a calibration area 136 at a position away from the outer side of the first housing 11 and corresponding to the supporting frame 30, and the calibration area 136 is formed by a plurality of grooves arranged in a fan shape at intervals and is used for being connected with the adjusting pin 70 in a buckling manner. In other embodiments of the present invention, the second housing 13 is not limited to the scale area 136 provided in this embodiment, and when the chassis 10 is not provided with the adjustment pin 70, the scale area 136 may not be provided in the second housing 13.

In addition, components such as a battery pack electrically connected to the control circuit board and a control circuit board electrically connected to the steering mechanism 60 and the driving mechanism 90 for electrically driving the steering mechanism 60 and the driving mechanism 90 are accommodated in an internal space formed by the first housing 11 and the second housing 13. Since the components such as the battery pack and the control circuit board are designed in the prior art, the present embodiment will not be described in detail.

The second chassis 20 is connected to the first chassis 10 in a manner of swinging relative to the first chassis 10, and includes a third housing 21 and a fourth housing 23 which are fixedly connected. The third housing 21 is provided with a second connecting portion 212 and a second limiting plate 214, the second connecting portion 212 protrudes toward the first connecting portion 112 and is elastically connected to the first connecting portion 112 through the spring, and a connecting line between the second connecting portion 212 and the first connecting portion 112 intersects with a center line of the chassis 1. The second limiting plate 214 is disposed corresponding to the first limiting plate 132 and is connected to the first limiting plate 132 in an interference manner. The end of the fourth housing 23 facing the receiving slot 134 is protruded with two elastic arms 232, each elastic arm 232 is in the shape of a round spoon, and the concave side of the end faces the limiting column 114 and is connected with the limiting column 114 in a concave-convex manner, and the convex side of the end faces the receiving slot 134 and is connected with the receiving slot 134 in a concave-convex manner.

It should be noted that the distance between the bottom wall of the concave end of the elastic arm 232 and the edge of the first housing 11 is equal to the length of the limiting column 114, and the above arrangement enables the elastic arm 232 to be connected between the limiting column 114 and the receiving slot 134 more tightly, so that the second chassis 20 can be connected with the first chassis 10 more tightly. The first connection portion 112 and the second connection portion 212 elastically connected to each other, the first limiting plate 132 and the second limiting plate 214 connected to each other in an abutting manner, and the elastic support arm 232 are disposed in the first chassis 10 and the second chassis 20, so that the anti-bumping capability of the chassis 1 can be improved, that is, the chassis 1 is not easily damaged even when the vehicle travels on an uneven ground. Specifically, in the process that the chassis 1 runs on the uneven ground, the second chassis 20 can swing relative to the first chassis 10 under the action of the spring and the elastic support arm 232, and compared with a complete chassis, the process that the second chassis 20 swings relative to the first chassis 10 can weaken damage to the chassis caused by frequent bumping, and improve the durability of the chassis 1. When the chassis 1 runs to a flat ground, the second chassis 20 is restored to the position where the second limiting plate 214 abuts against the first limiting plate 132 under the action of the spring force and the self gravity, and at this time, the second chassis 20 and the first chassis 10 are located on the same plane.

The supporting frame 30 is adjacent to the first housing 11 and is fixedly connected to the second housing 13, and includes a body 31 fixedly connected to the second housing 13, two side wings 33 extending outwards along two opposite sides of the body 31, and a connecting column 35 located at the middle of the body 31. Wherein, each flank 33 is rotatably connected with a rotating shaft 40, a part of the adjusting needle 70 is accommodated in the connecting column 35, and the connecting column 35 protrudes outwards along the direction vertical to the body 31, so that the connecting column 35 can be connected with the chassis 1 and the shell of a toy car.

The number of the rotating shafts 40 is two, and each rotating shaft 40 includes a first shaft body 41 and a second shaft body 43 arranged in a vertical direction, and a connecting shaft 45 protruding outward along a side wall of the second shaft body 43. The rotating shaft 40 is of an integrally formed structure, the side wall portions of the first shaft body 41 and the second shaft body 43 are fused, and the connecting shaft 45 is composed of a rib perpendicular to the second shaft body 43 and a shaft body parallel to the first shaft body 41. The first shaft 41 is rotatably connected to a wing 33 via a pin 101, the second shaft 43 is rotatably connected to a first wheel 50 via a pin 101, and the connecting shaft 45 is slidably connected to a portion of the steering mechanism 60.

The number of the first wheels 50 is two, and each first wheel 50 is rotatably connected with the support frame 30 and the steering mechanism 60 through the rotating shaft 40, and is pulled by the rotating shaft 40 to change the intersection angle between the first wheel and the side wing 33, so as to drive the chassis 1 to change the driving direction, thereby realizing steering.

The steering mechanism 60 is installed in the first housing 11 and the second housing 13 in the first tray 10, and the space enclosed by the second housing 13 and the supporting frame 30, and includes a control rod 61, a first transmission set 63 and a first motor 65. The control rod 61 is connected between the second housing 13 and the body 31 in a controlled sliding manner along a direction perpendicular to the extending direction of the second housing 13, and two long round holes 615, a limiting column 614 and a sawtooth part 616 are arranged on the control rod 61. The two long round holes 615 are respectively located at two opposite ends of the control rod 61, and the connecting shaft 45 is sleeved in the two long round holes 615, and it can be understood that the connecting shaft 45 is slidably connected with the control rod 61 due to the arrangement of the long round holes 615, and convenience and flexibility of relative movement of the connecting shaft 45 and the control rod 61 are improved in the process that the control rod 61 is controlled to drive the connecting shaft 45 to rotate. The limiting post 614 and the serrated portion 616 are adjacently disposed at a middle position of the control rod 61, wherein the limiting post 614 protrudes outward along the control rod 61 and is connected with the body 31 in an interference manner, so as to limit a moving distance of the control rod 61 and prevent the control rod 61 from being separated from between the second housing 13 and the body 31; the serrations 616 are disposed relative to the first drive train 63 and engage the first drive train 63 for controlled movement relative to the second housing 13 (or body 31). The first transmission set 63 is respectively connected with the sawteeth part 616 and the first motor 65, and the first motor 65 is electrically connected with the control circuit board to realize the electric drive control of the movement of the control rod 61.

In this embodiment, the first transmission set 63 is composed of a first straight gear fixed to the rotating shaft of the first motor 65, and double teeth respectively connected to the first straight gear and the saw teeth 616, and the double teeth are composed of a bevel gear engaged with the first straight gear and a second straight gear engaged with the saw teeth 616. In other embodiments of the present invention, the first transmission set 63 is not limited to the embodiment in which the first transmission set is composed of two gears, and the first transmission set 63 may also be a gear set composed of one, three or more gears.

The adjusting pin 70 is rotatably connected to the second housing 13, and is connected to the second housing 13 and the supporting frame 30, and includes a cylinder 71, a pointer 73 located at one end of the cylinder 71 and extending outward in a direction perpendicular to the cylinder 71, and an eccentric portion 75 located at the other end of the cylinder 71 and extending outward in the extending direction of the cylinder 71. Wherein, cylinder 71 is connected between second casing 13 and body 31 in a rotating manner, pointer 73 is located the outer wall of second casing 13 and can be connected with a plurality of recesses in scale district 20 with buckling, and eccentric portion 75 has been connected with spliced pole 35 unsmooth cooperation. It should be noted that the arrangement of the finger 73 and the eccentric portion 75 in the adjusting pin 70 can adjust the offset distance of the supporting frame 30 relative to the second housing 13 with a small amplitude.

The number of the second wheels 80 is two, and each of the second wheels 80 is rotatably connected to the second chassis 20 via a connecting shaft 102. The second wheels 80 are driving wheels for performing a moving function of the chassis 1.

The driving mechanism 90 is installed in the second chassis 20, and includes a second transmission set 91 and a second motor 93, wherein the second transmission set 91 is respectively connected to the second motor 93 and the connecting shaft 102, and the second motor 93 is electrically connected to the control circuit board, so as to achieve the purpose of electrically driving the second wheel 80 to rotate.

Referring to fig. 5 and fig. 6, the process of the steering mechanism 60 controlling the chassis 1 to steer is roughly as follows: the control lever 61 is driven to move relative to the second housing 13 sequentially through the first motor 65, the first transmission set 63 and the sawtooth portion 616 in the control lever 61, when the control lever 61 moves leftwards (as shown in fig. 5) or rightwards (as shown in fig. 6), the long circular hole 612 drives the rotating shaft 40 to rotate along the pin 101 in the first shaft body 41 (when the control lever 61 moves leftwards, the rotating shaft 40 rotates clockwise, and when the control lever 61 moves rightwards, the rotating shaft 40 rotates anticlockwise), so that the first vehicle wheel 50 is controlled to rotate rightwards or leftwards.

In the description and claims of this application, the words "comprise/comprises" and the words "have/include" and variations thereof are used to specify the presence of stated features, numerical steps or components but does not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Furthermore, various features of the invention which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable subcombination.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a chassis suitable for toy car, its characterized in that, including fixed connection in a support frame on the chassis, rotate respectively connect in two pivots on the support frame, rotate respectively connect in two in the epaxial two first wheels of pivot, and respectively sliding connection have two steering mechanism of pivot, wherein steering mechanism includes a control lever, a first transmission group and a first motor, the both ends of control lever slip cap respectively locate two in the pivot just the middle part of control lever is provided with a sawtooth portion, first transmission group with first motor install respectively in the chassis, just first transmission group connects respectively sawtooth portion with first motor.

2. The chassis for toy vehicles as claimed in claim 1, wherein each of the rotation shafts includes a first shaft body and a second shaft body vertically disposed, and a connection shaft outwardly protruded along a sidewall of the second shaft body, wherein the first shaft body is rotatably connected to the support frame by a pin, the second shaft body is rotatably connected to the first wheel by a pin, and the connection shaft is slidably connected to one end of the control lever.

3. The chassis suitable for a toy vehicle of claim 2, wherein the control rod is connected between the chassis and the support frame, and the control rod is further provided with two oblong holes and a limiting post, wherein each oblong hole is located at an end of the control rod, the connecting shaft is sleeved in each oblong hole, and the limiting post protrudes outwards along the middle of the control rod and is connected with the support frame in an interference manner.

4. The chassis for a toy vehicle of claim 1, further comprising an adjustment pin, the adjustment pin comprising a post, a finger at an end of the post and extending outward in a direction perpendicular to the post, and an eccentric portion at the other end of the post and extending outward in the direction of the post, wherein the post is rotatably connected to the chassis, the finger is located on an outer wall of the chassis and snapably connected thereto, and the eccentric portion is in male-female fit connection with a portion of the support frame.

5. The chassis for toy vehicles as claimed in claim 4, wherein the supporting frame includes a body fixedly connected to the chassis, two side wings extending outwardly along two opposite sides of the body, and a connecting post corresponding to the eccentric portion, wherein each of the side wings is rotatably connected to a rotating shaft, and the connecting post receives the eccentric portion therein and protrudes outwardly in a direction perpendicular to the body.

6. A chassis suitable for use with a toy vehicle as claimed in claim 4 or claim 5, wherein the chassis comprises a first chassis and a second chassis pivotally connected to the first chassis, wherein the support frame, the steering mechanism and the adjustment pin are mounted on the first chassis, and wherein the second chassis is provided with two coaxially connected second wheels and a drive mechanism for driving the two second wheels.

7. The chassis adapted for use with a toy vehicle of claim 6, wherein the first chassis includes a first housing and a second housing, wherein the first shell is adjacent to the support frame and is fixedly connected to the second shell, a first connecting part obliquely and outwards protrudes from the end part of the first shell relative to the support frame, two opposite sides of the first shell respectively protrude towards the direction of the second shell and are provided with a limiting column, a first limiting plate is convexly extended outwards from the end part of the second shell corresponding to the first connecting part, two opposite sides of the second shell corresponding to the positions of the limiting columns are convexly extended with containing grooves respectively, the first connecting portion is elastically connected with the second chassis through a spring, the first limiting plate is connected with the second chassis in a propping mode, and the limiting column and the containing groove are cooperatively connected with the second chassis.

8. The chassis suitable for the toy car of claim 7, wherein the second chassis comprises a third shell and a fourth shell which are fixedly connected, wherein the third shell is provided with a second connecting portion and a second limiting plate, the second connecting portion is elastically connected with the first connecting portion through the spring, a connecting line of the second connecting portion and the first connecting portion intersects with a central line of the chassis, the second limiting plate is arranged corresponding to the first limiting plate, and the second limiting plate is connected with the first limiting plate in an interference manner; the end part of the fourth shell facing the containing groove protrudes outwards to form two elastic support arms, and each elastic support arm is connected with the limiting column and the containing groove in a concave-convex matching mode.

9. The chassis for toy vehicles as claimed in claim 8, wherein each of the resilient arms is shaped like a circular spoon, and has a concave end portion facing the limiting pillar and engaging with the limiting pillar in a concave-convex manner, and a convex end portion facing the receiving groove and engaging with the receiving groove in a concave-convex manner.

10. The chassis for a toy vehicle of claim 6, wherein the drive mechanism includes a second drive train and a second motor, wherein the second drive train couples the second motor and the coupling shaft of the two second wheels, respectively.