CN219848143U

CN219848143U - Combined pull rod shaft type rear axle for climbing vehicle and model vehicle

Info

Publication number: CN219848143U
Application number: CN202322515656.4U
Authority: CN
Inventors: 蔡兆翰
Original assignee: Guangdong Meijiaxin Innovative Technology Co ltd
Current assignee: Guangdong Meijiaxin Innovative Technology Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2023-10-20
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a combined pull rod shaft type rear axle for a climbing vehicle and a model vehicle, which comprise an axle and a connecting rod assembly, wherein the connecting rod assembly comprises a middle rod and two side rods, the middle rod is used for being rotatably connected with a vehicle frame, the two side rods are respectively arranged at two ends of the middle rod, the first ends of the side rods are movably connected with the middle rod, and the second ends of the side rods are movably connected with the axle. Through the link assembly who sets up to install link assembly's middle part pole on the frame, install link assembly's lateral part pole one end that deviates from the middle part pole on the axle, make the model car turn to when turning to, one side wheel is adjacent ground and turn to, centrifugal force can act on this wheel, it is rotatory to drive the middle part pole through a lateral part pole that is connected with it, thereby take up the wheel of opposite side through another lateral part pole, thereby centrifugal force on the balanced both sides wheel, with centrifugal force reversal to the wheel of another side, make both sides wheel remain the most suitable contact with the road surface all the time, driving stability has been improved.

Description

Combined pull rod shaft type rear axle for climbing vehicle and model vehicle

Technical Field

The utility model relates to the field of toy products, in particular to a combined pull rod shaft type rear axle for climbing vehicles and a model vehicle.

Background

In the prior art, automobiles have a watt linkage structure comprising a central rod and two side rods. The middle rod is connected to the axle, and the two side rods are respectively connected to the frame, so that the influence of the side force of the rear wheel on the front beam of the wheel is reduced, the centrifugal force generated by the side force when the automobile turns is also reduced, the stress on the wheels on the two sides is always kept in optimal contact with the road surface, the optimal adhesive force is achieved, the driving comfort of the vehicle is improved, and the tracking performance of the vehicle is also enhanced.

However, the model car is only used for playing entertainment, but the structure is similar to that of an automobile, if a watt connecting rod structure is arranged on the model car (a real car is used for connecting a middle rod to an axle and connecting two side rods to a frame respectively), the two side rods are not beneficial to being arranged on the frame at one end deviating from the middle rod due to the fact that the frame of the model car is narrow and the space of the frame is insufficient, so that a difficulty is brought to the installation of the watt connecting rod structure on the model car.

In view of this, the present utility model has been made.

Disclosure of Invention

The utility model provides a combined pull rod shaft type rear axle for a climbing vehicle and a model vehicle.

The utility model provides the following technical scheme:

a first object of the present utility model is to provide a modular drawbar axle rear axle for a climbing vehicle comprising:

an axle;

the connecting rod assembly comprises a middle rod and two side rods, the middle rod is used for being rotatably connected to the vehicle frame, the two side rods are respectively arranged at two ends of the middle rod, the first ends of the side rods are movably connected with the middle rod, and the second ends of the side rods are movably connected with the axle.

Further, two ends of the axle are respectively provided with a connecting part;

the second end of the side lever is movably connected to the connecting portion.

Further, the connecting part comprises a first ball head;

the second end of the side bar has a first collar;

the first lantern ring is movably sleeved on the first ball head.

Further, a first connector is included;

the first connecting piece is provided with a first screw rod and a first cap body connected with the first screw rod;

the first screw penetrates through the first ball head and is in threaded connection with the axle;

the first cap body is limited at one end of the first ball head, which is away from the middle rod.

Further, two ends of the middle rod are respectively provided with a second ball head;

the first end of the side bar has a second collar;

the second lantern ring is rotatably sleeved on the second ball head.

Further, the device comprises a second connecting piece, wherein the second connecting piece comprises a second screw rod and a second cap body;

the second screw penetrates through the second ball head and is connected with the middle rod in a threaded manner;

the second cap is limited on one side of the second ball head, which is away from the middle rod.

A second object of the present utility model is to provide a model vehicle including:

a frame;

the rear axle of a combined pull rod shaft for a climbing vehicle of any one of the above, wherein the middle part of the middle rod of the rear axle of the combined pull rod shaft for the climbing vehicle is movably connected with the frame.

Further, the frame is provided with two longitudinal beams arranged at intervals and a cross beam connecting the two longitudinal beams;

the middle rod is movably connected to the cross beam.

Further, a combined pull rod shaft type rear axle for climbing vehicles comprises a sliding sleeve and a third connecting piece;

the middle rod is provided with a through hole;

the sliding sleeve is arranged in the through hole;

the third connecting piece is provided with a third screw rod and a third cap body;

the third screw rod passes through the sliding sleeve and is connected with the cross beam, and the third cap body is limited at one end of the sliding sleeve, which is away from the cross beam.

By adopting the technical scheme, the utility model has the following beneficial effects:

through the connecting rod assembly, the middle rod of the connecting rod assembly is arranged on the frame, one end of the side rod of the connecting rod assembly, which is away from the middle rod, is arranged on the axle, so that when the model car turns, one side wheel is close to the ground and turns, the centrifugal force can act on the wheel, one side rod connected with the side rod drives the middle rod to rotate, the other side wheel is driven by the other side rod, so that the centrifugal force on the two wheels is balanced, the centrifugal force is reversed to the other side wheel, the two wheels always keep optimal contact with the road surface, and meanwhile, the connecting rod assembly is arranged on the car in the installation mode, so that the car becomes more flexible when turning.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

Fig. 1 is a schematic diagram of a cooperation structure of a combined pull rod shaft type rear axle and a frame for a climbing vehicle according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an exploded view of FIG. 1A;

fig. 4 is an exploded view of a cooperation structure of a middle rod of a combined pull rod shaft type rear axle for a climbing vehicle and a cross beam of a model vehicle according to an embodiment of the present utility model.

In the figure: 1. an axle; 2. a connecting rod assembly; 3. a frame; 4. a connection part; 5. a first connector; 6. a second ball head; 7. a second connector; 8. a third connecting member; 9. a sliding sleeve; 21. a middle rod; 22. a side lever; 31. a longitudinal beam; 32. a cross beam; 41. a first ball head; 51. a first screw; 52. a first cap body; 71. a second screw; 72. a second cap body; 81. a third screw; 82. a third cap body; 211. a through hole; 221. a first collar; 222. and a second collar.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 4, an embodiment of the present utility model provides a rear axle of a combination drawbar shaft for a climbing vehicle, which includes an axle 1 and a link assembly 2, the link assembly 2 includes a middle lever 21 and two side levers 22, the middle lever 21 is rotatably connected to a vehicle frame 3, the two side levers 22 are respectively disposed at both ends of the middle lever 21, a first end of the side lever 22 is movably connected to the middle lever 21, and a second end of the side lever 22 is movably connected to the axle 1.

In the above scheme, through the connecting rod assembly 2, the middle rod 21 of the connecting rod assembly 2 is installed on the vehicle frame 3, one end of the side rod 22 of the connecting rod assembly 2, which is far away from the middle rod 21, is installed on the vehicle axle 1, so that one side of the vehicle is close to and turns, centrifugal force can act on the wheel when the model vehicle turns, one side rod 22 connected with the vehicle drives the middle rod 21 to rotate, the other side of the vehicle is driven by the other side rod 22, so that the centrifugal force on the two side wheels is balanced, the centrifugal force is reversed to the other side of the vehicle, the two side wheels always keep optimal contact with the road surface, and meanwhile, the installation mode of the connecting rod assembly 2 provided by the utility model is arranged on the vehicle, so that the vehicle can become more flexible when turning.

The two ends of the axle 1 are respectively provided with a connecting part 4, and the second ends of the side rods 22 are movably connected with the connecting parts 4, so that the side rods 22 have a certain degree of freedom, and are convenient for balancing the centrifugal force on the wheels on two sides.

Referring to fig. 3, the connecting portion 4 includes a first ball 41, and the second end of the side lever 22 has a first collar 221, and the first collar 221 is rotatably sleeved on the first ball 41.

In the above scheme, the first collar 221 is movably sleeved on the first ball 41, so that the side rod 22 can rotate around the first ball 41, which is beneficial to deformation and force transmission of the combined pull rod shaft type rear axle of the climbing vehicle.

Referring to fig. 2 and 3, the connecting portion 4 further includes a first connecting member 5, where the first connecting member 5 has a first screw rod 51 and a first cap 52 connected to the first screw rod 51, the first screw rod 51 penetrates through the first ball 41 and is screwed to the axle 1, and the first cap 52 is limited at an end of the first ball 41 facing away from the middle rod 21.

In the above-described aspect, the first cap 52 plays a role of limiting the first collar 221 of the end of the side lever 22 facing away from the middle lever 21, preventing the second end of the first collar 221 from being separated from the first ball 41.

Referring to fig. 3, the two ends of the middle rod 21 are respectively provided with a second ball head 6, the first end of the side rod 22 is provided with a second collar 222, and the second collar 222 is rotatably sleeved on the second ball head 6.

In the above scheme, the second collar 222 is rotatably sleeved on the second ball head 6, so that force transmission is better performed.

Referring to fig. 3, the middle rod 21 further includes a second connecting member 7, where the second connecting member 7 includes a second screw 71 and a second cap 72, the second screw 71 penetrates the second ball head 6 and is screwed to the middle rod 21, and the second cap 72 is limited on a side of the second ball head 6 facing away from the middle rod 21.

In the above-described aspect, the second cap 72 serves to limit the second collar 222 at the first end of the side lever 22, preventing the first end of the side lever 22 from being separated from the second ball 6.

The utility model also provides a model vehicle which comprises the frame 3 and the combined pull rod shaft type rear axle for the climbing vehicle, wherein the middle part of the middle rod 21 of the combined pull rod shaft type rear axle for the climbing vehicle is movably connected with the frame 3.

The frame 3 has two side members 31 arranged at a spacing and a cross member 32 connecting the two side members 31, and the center rod 21 is movably connected to the cross member 32.

Referring to fig. 4, the combined pull rod shaft type rear axle for the climbing vehicle comprises a sliding sleeve 9 and a third connecting piece 8, a through hole 211 is formed in a middle rod 21, the sliding sleeve 9 is arranged in the through hole 211, the third connecting piece 8 is provided with a third screw rod 81 and a third cap 82, the third screw rod 81 penetrates through the sliding sleeve 9 to be connected to the cross beam 32, and the third cap 82 is limited at one end, away from the cross beam 32, of the sliding sleeve 9.

Through the link assembly 2 that sets up to install link assembly 2's middle part pole 21 on frame 3, install link assembly 2's lateral part pole 22 one end that deviates from middle part pole 21 on axle 1, make the model car turn to when turning to, one side wheel is close ground and turn to, centrifugal force can act on this wheel, drive middle part pole 21 rotation through the lateral part pole 22 that is connected with it, thereby take the wheel of opposite side through another lateral part pole 22, thereby balance the centrifugal force on the wheel on both sides, reverse centrifugal force on the wheel of another side, make both sides wheel remain optimum contact with the road surface all the time, driving stability is remarkably improved, the risk that the model car turns to the tipping has been reduced.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims, along with the full scope and equivalents to which such claims are entitled.

Claims

1. A modular drawbar axle rear axle for a climbing vehicle comprising:

an axle;

2. The rear axle of a combined pull rod shaft for a climbing vehicle according to claim 1, wherein both ends of the axle are respectively provided with a connecting portion;

3. The rear axle of a modular pull rod axle for a climbing vehicle of claim 2, wherein the connection includes a first ball head;

the second end of the side bar has a first collar;

the first lantern ring is movably sleeved on the first ball head.

4. The modular pull rod axle rear axle for a climbing vehicle of claim 3, comprising a first connector;

5. The rear axle of a combined pull rod shaft for climbing vehicles according to any one of claims 1 to 4, wherein the two ends of the middle rod are respectively provided with a second ball head;

the first end of the side bar has a second collar;

the second lantern ring is rotatably sleeved on the second ball head.

6. The modular drawbar-axle for a climbing vehicle of claim 5, comprising a second connector comprising a second screw and a second cap;

7. A model vehicle, characterized by comprising:

a frame;

the rear axle of a combination drawbar shaft for a climbing vehicle of any one of claims 1-6, a middle portion of a middle bar of the rear axle of a combination drawbar shaft for a climbing vehicle being movably connected to the frame.

8. The model vehicle in accordance with claim 7, wherein said frame has two stringers disposed in spaced apart relation and a cross member connecting two of said stringers;

the middle rod is movably connected to the cross beam.

9. The model car of claim 8, wherein the modular pull rod axle rear axle for the climbing car includes a sliding sleeve and a third connector;

the middle rod is provided with a through hole;

the sliding sleeve is arranged in the through hole;