CN217511161U

CN217511161U - Toy car chassis capable of adjusting wheel inclination angle

Info

Publication number: CN217511161U
Application number: CN202221044126.5U
Authority: CN
Inventors: 余志佳
Original assignee: Shantou Landa Technology Co ltd
Current assignee: Shantou Landa Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-30
Anticipated expiration: 2032-05-05

Abstract

The utility model provides a toy car chassis capable of adjusting the inclination angle of a wheel, which comprises a body and at least one wheel connected to the body, wherein the body is provided with a first connecting hole and an adjusting rod, the adjusting rod comprises a connecting piece and a connecting rod, the connecting piece is pivoted on the body, the connecting rod is connected to the connecting piece in a telescopic and movable manner, and the end part of the connecting rod is provided with a second connecting hole; the wheel comprises a wheel body and a positioning block, the wheel body is rotatably connected to the positioning block, a first connecting block and a second connecting block are oppositely and convexly extended on the outer side wall of the positioning block, the first connecting block is movably connected with the first connecting hole, and the second connecting block is separably connected with the second connecting hole. The utility model provides a toy car chassis can in time adjust the angle of inclination of wheel according to the environment of traveling, and convenient operation is swift, need not extra appurtenance, still can increase the suitability of wheel, the life of guarantee wheel.

Description

Toy car chassis capable of adjusting wheel inclination angle

Technical Field

The utility model relates to a relate to in toy car chassis technical field, especially relate to a toy car chassis at adjustable wheel angle of inclination.

Background

The toy car is a kind of toy that can be driven and can go on straightly or in a turn, and the existing toy car is usually realized by adjusting the angle of the tire to enable the tire to form a camber angle in order to reduce the center of gravity and increase the stability of the car body and the grip of the tire when turning. However, the tire forming the camber angle is deteriorated in acceleration performance and grip in a straight running state, and it is easy to increase wear of the tire and reduce the life of the tire. The wheel inclination of toy car chassis among the prior art is mostly unadjustable structure, therefore needs urgently to provide a toy car chassis that can adjust the wheel inclination, makes it can in time adjust the angle of inclination of wheel according to the environment of traveling (such as many straight roadways or many bends etc.) to realize increasing the suitability of wheel, the purpose of the life of guarantee wheel.

SUMMERY OF THE UTILITY MODEL

The utility model provides a toy car chassis at adjustable wheel angle of inclination, the wheel angle of inclination of solving current toy car chassis is difficult to adjust immediately or adjusts the degree of difficulty greatly, operate shortcoming not convenient, makes toy car chassis can in time adjust the angle of inclination of wheel according to the environment of traveling (if many straight roads or many bends etc.) to realize the suitability that increases the wheel, guarantee the life's of wheel purpose.

In order to achieve the above objects, the present invention provides a toy car chassis capable of adjusting the inclination angle of wheels, comprising a body and at least one wheel connected to the body,

the body is provided with a first connecting hole and an adjusting rod, wherein the adjusting rod comprises a connecting piece and a connecting rod, the connecting piece is pivoted on the body, the connecting rod is connected to the connecting piece in a telescopic and movable manner, and the end part of the connecting rod is provided with a second connecting hole;

the wheel comprises a wheel body and a positioning block, the wheel body is rotatably connected to the positioning block, a first connecting block and a second connecting block are oppositely and convexly extended on the outer side wall of the positioning block, the first connecting block is movably connected with the first connecting hole, and the second connecting block is separably connected with the second connecting hole.

Preferably, the wheel further comprises a limiting rod, one end of the limiting rod is rotatably connected to the body, and the other end of the limiting rod is rotatably connected with the positioning block.

As a preferred scheme, the body further comprises a connecting plate, one end of the connecting plate is pivoted on the body, and the other end of the connecting plate is provided with the first connecting hole.

Preferably, the outer side wall of the positioning block further protrudes outwards to form a third connecting block, and the third connecting block is rotatably connected with the limiting rod.

Preferably, the first connecting block, the second connecting block and the third connecting block are provided with ends which are arranged in a spherical shape.

As a preferred scheme, the number of the wheels is four, four wheels correspond to each other two by two to form a front wheel group and a rear wheel group, the body further comprises a driving assembly and a steering assembly, the driving assembly is in driving connection with a wheel body of the rear wheel group, and the steering assembly is in rotating connection with a limiting rod of the front wheel group.

Preferably, the driving assembly comprises a mounting seat, a first motor and a gear set, the mounting seat is fixed on the body, the first motor and the gear set are mounted on the mounting seat, and the gear set is in transmission connection between the first motor and a wheel body of the rear wheel set.

Preferably, the gear set comprises a transition tooth set, a driving tooth and two rotating rods, one end of the transition tooth set is fixed on the rotating shaft of the first motor, and the other end of the transition tooth set is meshed with the driving tooth; two opposite sides of the driving tooth are respectively provided with a connector in a protruding way, and the side wall of each connector is provided with at least one sliding chute; each the one end of dwang corresponds to one in connector sliding connection is in its spout, each the other end of dwang with the wheel body of rear wheel group is fixed.

As a preferred scheme, the steering assembly comprises a second motor and a connecting rod group, wherein the connecting rod group comprises a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is fixed on a rotating shaft of the second motor, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end of the second connecting rod is rotatably connected with the third connecting rod, the third connecting rod is rotatably connected to the body, and the third connecting rod is respectively connected with limiting rods of the front wheel group; when the third connecting rod is controlled to rotate, the third connecting rod drives the limiting rod of the front wheel set to move in the extending direction of the limiting rod.

As a preferred scheme, the third connecting rod includes the cylinder, stretch out respectively in first swing arm and second swing arm on the cylinder outer wall, wherein the cylinder rotate connect in on the body, first swing arm with the second swing arm is the vertical direction setting, just first swing arm with the second connecting rod rotates to be connected, rotate respectively on the second swing arm and be connected with two gag lever posts of preceding wheel group.

Therefore, according to the technical means of the present invention, the utility model discloses the effect that can obtain is briefly explained as follows: the utility model provides a toy car chassis at adjustable wheel angle of inclination is provided with first connecting hole and the flexible regulation pole that can overturn on the chassis body, and protruding the stretching of locating piece at the wheel has first connecting block and second connecting block simultaneously, through making first connecting block and first connecting hole swing joint, makes the second connecting block and adjusts the mode that the pole detachable is liftoff to be connected, realizes the adjustment to the wheel angle of inclination. Specifically, when the angle of inclination of wheel needs to be adjusted, the regulation pole and second connecting block are separated, and after rotating certain angle with first connecting block, the regulation pole that stretches out and draws back connects second connecting block and regulation pole again, can accomplish the adjustment to the wheel angle of inclination, makes the wheel incline or just returns. The utility model provides a toy car chassis can in time adjust the angle of inclination of wheel according to the environment of traveling (like many straight roads or many bends etc.), and convenient operation is swift moreover, and simple structure does not need extra appurtenance, still can increase the suitability of wheel, the life of guarantee wheel.

Drawings

Fig. 1 is a schematic perspective view of a chassis of a toy car according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of the chassis of the toy car in fig. 1 after adjusting the inclination angle of the wheels.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic perspective view of the driving assembly of fig. 1 connected to a rear wheel set.

Fig. 5 is a schematic perspective exploded view of the driving assembly and the rear wheel set in fig. 4.

Fig. 6 is a perspective view of the steering assembly of fig. 1 coupled to a front set of wheels.

In the figure: 1-a toy car chassis; 10-a body; 10 a-a connection plate; 11-a first connection hole; 10 b-adjusting the lever; 12-a connector; 13-a connecting rod; 131-a second connection hole; 10 c-a drive assembly; 14-a mounting seat; 15-a first electric machine; 16-gear set; 161-transition set of teeth; 162-drive teeth; 1621-a connector; 1622-a chute; 163-swivelling levers; 10 d-a steering assembly; 17-a second electric machine; 18-linkage; 181-first link; 182-a second link; 183-third link; 1831-cylinder; 1832-first swing arm; 1833-second swing arm; 20-a wheel; 21-wheel body; 22-a positioning block; 221-a first connection block; 222-a second connection block; 223-a third connection block; 23-a limiting rod; 201-front wheel group; 202-rear wheel set.

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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are used for describing the illustrated orientation or positional relationship of the present invention based on the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate that the device or element referred to must have a particular orientation or positional relationship, and therefore, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", 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 a special sequence, 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 to 6, the present embodiment provides a toy car chassis 1 with adjustable wheel inclination angle, comprising a body 10 and four wheels 20 connected to the body, wherein the four wheels 20 form a front wheel set 201 and a rear wheel set 202 in pairs. In other embodiments of the present invention, the number of the wheels 20 is not limited to four in this embodiment, and the number may be one, two, three, or four or more.

In this embodiment, the body 10 includes four connecting plates 10a and four adjusting rods 10 b. The four connecting plates 10a protrude outwards from the body 10 corresponding to the four wheels 20, and one end of each connecting plate 10a is pivoted to the body 10, and the other end thereof is provided with a first connecting hole 11, and a part of the wheels 20 is movably connected in the first connecting hole 11. It should be noted that, the connecting plate 10a is pivoted to the body 10, and when the chassis 1 bumps or falls, the connecting plate 10a can swing along with the base, so as to reduce the damage of the connecting plate 10a caused by the bumping or falling of the chassis 1. Four adjusting levers 10b are coupled to the body 10 corresponding to the four wheels 20, and each adjusting lever 10b includes a connecting member 12 and a connecting rod 13. The connecting member 12 is pivotally connected to the body 10, the connecting rod 13 is telescopically and movably connected to the connecting member 12, a second connecting hole 131 is formed in an end portion of the connecting rod 13 facing the wheel 20, and a portion of the wheel 20 is detachably connected to the second connecting hole 131.

In other embodiments of the present invention, the number of the connecting plates 10a and the adjusting rods 10b is the same as the number of the wheels 20, and may be one, two, three, or four or more. The body 10 may not be provided with the connecting plate 10a, and the first connecting hole 11 may be directly formed in the body 10.

In this embodiment, each wheel 20 includes a wheel body 21, a positioning block 22 and a limiting rod 23, wherein the wheel body 221 is rotatably connected to the positioning block 22. The positioning block 22 is substantially a circular ring, and a first connecting block 221, a second connecting block 222 and a third connecting block 223 are protruded outwards from the outer side wall of the positioning block 22. The first connection block 221 and the second connection block 222 are oppositely disposed, the first connection block 221 is movably connected to the first connection hole 11, and the second connection block 222 is separably connected to the second connection hole 131. The third connecting block 223 extends toward the direction of the limiting rod 23 and is rotatably connected with the limiting rod. One end of the limiting rod 23 is rotatably connected to the body 10, and the other end thereof is rotatably connected to the third connecting block 223, so that the positioning block 22 and the wheel body 21 can be stably connected to the body 10. In other embodiments of the present invention, the limiting rod 23 may not be disposed on each wheel 20, and the third connecting block 223 may not be disposed on the positioning block 22.

It should be noted that the first connecting block 221, the second connecting block 222, and the third connecting block 223 have spherical end portions, and the spherical end portions are beneficial to the movable connection between the first connecting block 221 and the first connecting hole 11, so that the positioning block 22 can drive the wheel body 21 to rotate on the connecting plate 10a by a certain angle. The spherical end portion is also beneficial to the detachable connection between the second connecting block 222 and the second connecting hole 131 and the rotational connection between the third connecting block 223 and the limiting rod 23.

The connection structure of the positioning block 22, the first connection hole 11 and the adjustment rod 10b is arranged, so that the inclination angle of the wheel 20 relative to the body 10 can be quickly and conveniently adjusted. Specifically, when the inclination angle of the wheel 20 needs to be adjusted, the second connection hole 131 and the second connection block 222 are separated, and after the first connection block 221 (in the first connection hole 11) is rotated by a certain angle, the connection rod 13 is moved in a telescopic manner relative to the connection member 12 to reconnect the second connection hole 131 and the second connection block 222, so that the adjustment of the inclination angle of the wheel 20 can be completed, and the wheel 20 is inclined or aligned (as shown in fig. 2 and 3).

In this embodiment, the body 10 further comprises a driving assembly 10c and a steering assembly 10d, wherein the driving assembly 10c is drivingly connected to the wheel body 21 of the rear wheel set 202 for driving the wheel 20 to rotate so as to enable the chassis 1 to move on the supporting surface. The steering assembly 10d is rotatably connected to the limiting rod 23 of the front wheel set 201, and is configured to rotate to drive the front wheel set 201 to steer therewith, so that the chassis 1 can turn on the supporting surface. In other embodiments of the present invention, the driving assembly 10c and/or the steering assembly 10d may not be disposed on the body 10.

The driving assembly 10c includes a mounting seat 14, a first motor 15 and a gear set 16, wherein the mounting seat 14 is fixed on the body 10, the first motor 15 and the gear set 16 are mounted on the mounting seat 14, and the gear set 16 is in transmission connection between the first motor 15 and the rear wheel set 202.

It will be appreciated that the gear set 16 includes a transition set of teeth 161, a drive tooth 162 and two rotating levers 163. One end of the transition set of teeth 161 is fixed to the shaft of the first motor 15, and the other end of the transition set of teeth 161 is engaged with the driving teeth 162. The two opposite sides of the driving gear 162 are respectively protruded with a connecting head 1621, each connecting head 1621 is a hollow cylinder, and in this embodiment, two sliding grooves 1622 are disposed on the side wall of each connecting head 1621 for slidably connecting a rotating rod 163. One end of each rotating rod 163 is correspondingly connected in a connecting head 1621, and the end is connected in a sliding groove 1622 of the connecting head 1621 through a shaft column, and the other end of each rotating rod 163 passes through the mounting seat 14 and is fixed with one of the wheels 21 of the rear wheel set 202. The connecting structure between the slide groove 1622 and the rotating lever 163 is provided so that the rotating lever 163 can axially slide in the slide groove 1622 when the angle of the wheel 20 is changed, thereby ensuring that the angle of the wheel 20 can be adjusted. In other embodiments of the present invention, the number of the sliding grooves 1622 in each connecting head 1621 is not limited to two, and may be one or more than two.

It should be noted that the operation principle of the driving assembly 10c is roughly as follows: when the first motor 15 is started, the transition tooth set 161 transmits the rotation torque of the first motor 15 to the driving tooth 162, and the driving tooth 162 rotates to drive the two rotating rods 163 to rotate, so as to drive the wheel body 21 connected with the rotating rods 163 to rotate.

Steering assembly 10d includes second motor 17 and linkage 18, where linkage 18 includes first link 181, second link 182, and third link 183. One end of the first connecting rod 181 is fixed on the rotating shaft of the second motor 17, the other end of the first connecting rod 181 is rotatably connected with one end of the second connecting rod 182, the other end of the second connecting rod 182 is rotatably connected with the third connecting rod 183, the third connecting rod 183 is rotatably connected to the body 10, the third connecting rod 183 is rotatably connected with the limiting rod 23 of the front wheel set 201, and when the third connecting rod 183 is controlled to rotate, the front wheel set 201 is driven to swing to achieve steering.

It is understood that the third link 183 includes a cylinder 1831, and a first swing arm 1832 and a second swing arm 1833 protruding from the outer wall of the cylinder 1831, respectively. Wherein the cylinder 1831 is rotatably connected to the body 10, the first swing arm 1832 and the second swing arm 1833 are disposed in a vertical direction, the first swing arm 1832 is rotatably connected to the second connecting rod 182, and the second swing arm 1833 is rotatably connected to the two position-limiting rods 23 of the front wheel set 201.

It should be noted that the operation principle of the steering assembly 10d is roughly as follows: the second motor 17 is started to rotate the rotating shaft forward or backward by a certain angle, in this process, the first connecting rod 181 rotates to drive the second connecting rod 182 to move back and forth, so as to push the cylinder 1831 forward or backward through the first swing arm 1832, at this time, the second swing arm 1833 rotates forward or backward along with the cylinder, and drives the limiting rods 23 of the two front wheel sets 201 connected to the second swing arm 1833 to move in the extending direction, thereby driving the two wheel bodies 21 of the front wheel sets 201 to swing in the same direction, and realizing steering.

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.

Claims

1. A toy car chassis capable of adjusting the inclination angle of wheels comprises a body and at least one wheel connected with the body, and is characterized in that,

2. The toy vehicle chassis capable of adjusting the inclination angle of the wheel as claimed in claim 1, wherein the wheel further comprises a limiting rod, one end of the limiting rod is rotatably connected to the body, and the other end of the limiting rod is rotatably connected to the positioning block.

3. The toy vehicle chassis capable of adjusting the inclination angle of the wheel as claimed in claim 2, wherein the body further comprises a connecting plate, one end of the connecting plate is pivotally connected to the body, and the other end of the connecting plate is provided with the first connecting hole.

4. The toy vehicle chassis capable of adjusting the wheel inclination angle of claim 2, wherein a third connecting block protrudes outwards from the outer side wall of the positioning block, and the third connecting block is rotatably connected with the limiting rod.

5. The vehicle chassis capable of adjusting the inclination angle of the vehicle wheels according to claim 4, wherein the first connecting block, the second connecting block and the third connecting block have ends which are arranged in a spherical shape.

6. The toy vehicle chassis capable of adjusting the inclination angle of the wheels as claimed in any one of claims 2 to 5, wherein the number of the wheels is four, four wheels correspond to each other two by two to form a front wheel set and a rear wheel set, and the body further comprises a driving assembly and a steering assembly, the driving assembly is connected with the wheel body of the rear wheel set in a driving manner, and the steering assembly is connected with the limiting rod of the front wheel set in a rotating manner.

7. The toy vehicle chassis capable of adjusting the angle of inclination of a wheel as claimed in claim 6, wherein the driving assembly comprises a mounting seat, a first motor and a gear set, the mounting seat is fixed on the body, the first motor and the gear set are mounted on the mounting seat, and the gear set is in transmission connection between the first motor and the wheel body of the rear wheel set.

8. The toy vehicle chassis capable of adjusting the inclination angle of the vehicle wheel as claimed in claim 7, wherein the gear set comprises a transition tooth set, a driving tooth and two rotating rods, one end of the transition tooth set is fixed on the rotating shaft of the first motor, and the other end of the transition tooth set is engaged with the driving tooth; two opposite sides of the driving tooth are respectively provided with a connector in a protruding way, and the side wall of each connector is provided with at least one sliding chute; each the one end of dwang corresponds to one in connector sliding connection is in its spout, each the other end of dwang with the wheel body of rear wheel group is fixed.

9. The toy vehicle chassis capable of adjusting the inclination angle of the wheel as claimed in claim 6, wherein the steering assembly comprises a second motor and a linkage, wherein the linkage comprises a first connecting rod, a second connecting rod and a third connecting rod, one end of the first connecting rod is fixed on a rotating shaft of the second motor, the other end of the first connecting rod is rotatably connected with one end of the second connecting rod, the other end of the second connecting rod is rotatably connected with the third connecting rod, the third connecting rod is rotatably connected to the body, and the third connecting rod is respectively connected with the limiting rods of the front wheel set; when the third connecting rod is controlled to rotate, the third connecting rod drives the limiting rod of the front wheel set to move in the extending direction of the limiting rod.

10. The toy vehicle chassis capable of adjusting the angle of inclination of a wheel as claimed in claim 9, wherein the third connecting rod comprises a cylinder, a first swing arm and a second swing arm protruding from the outer wall of the cylinder, wherein the cylinder is rotatably connected to the body, the first swing arm and the second swing arm are vertically disposed, the first swing arm is rotatably connected to the second connecting rod, and the second swing arm is rotatably connected to two position-limiting rods of the front wheel set.