TWM558114U - Chassis structure of remote control climbing car - Google Patents

Abstract

The utility model relates to a remote climbing climbing car chassis structure, which comprises a frame with two symmetry and installed on both sides of the central transfer case, and a front and rear swing arm group connected with the front and rear axles of the frame; wherein each front and rear pendulum The arm set is pivotally connected to the frame by a swing arm seat, and the swing arm seat is provided with a shaft hole at the two ends of the arm body in the direction of the vehicle body for the axle swing arm shaft, and each axle bridge The other ends of the swing arm are respectively locked to the front and rear axles to form a new remote control climbing car chassis structure. Thereby, the front and rear axles can be transmitted through the chassis structure formed by the front and rear swing arm groups, and the flexible swing of the upper and lower swing and torsion acts in a single-axis operation.

Description

Remote climbing car chassis construction

The present invention relates to a remote control climbing car chassis structure, in particular to a chassis structure composed of a swing arm group designed by a single-axis flexible swing, which can be adapted as a toy remote climbing car or a real live driving climb. Car construction.

According to the toy remote control car system, which is quite popular among the consumers, and can be divided into three types according to the structure of the car body structure, one is a flat sports car that runs on the tarmac with speed as the orientation, and the speed is high speed. Controlling fun; the other is the most common off-road vehicle, with fast acceleration, flexible handling, and can fly and jump on the cross-country track, is the most popular type of car; the so-called big-foot type, It includes the popular climbing car in recent years, which focuses on the design of large torque output values, emphasizing the design of a huge wheel body and a twistable chassis, which is better than the uneven shape of the site, and has better Breaking the road, you can climb on the uneven rock pile, rock wall or obstacles, and it is very skillful to control. At the same time, you can watch the exaggerated swing of the suspension system and open the fun of another remote control vehicle. Therefore, it is increasingly loved by the consumer.

However, the toy climbing vehicles sold on the market today are designed with a multi-link type. The main purpose is to combine the majority of the connecting rods at both ends with the ball head seats, and respectively fix them on the frame and the front. In the rear axle, when the wheels pass through the rough road, the ball joints connected by the connecting rods can be used. The front and rear axles can follow the change of the ground shape to produce up and down swings or front and rear twisting and swinging, so that the tires can be as close as possible to the ground for climbing purposes. However, in this design, since the joints of the respective links are located at different positions, when the axle is twisted and oscillated, it is mutually restrained by the respective links to form a swing in a smiling state, which not only causes the connection The gap between the rod and the ball seat is easy to wear, resulting in a gap, and may even cause breakage or damage due to stress concentration.

Moreover, due to the multi-link type chassis design, the connection point between the connecting rod and the frame cannot be located at the same axis with the universal joint point of the transmission shaft connected to the transfer case, so when on the axle, When swinging down, the distance between the axle differential and the transfer joint universal joint point will also change. Therefore, the climbing vehicle needs to adopt a two-section transmission shaft with a telescopic function, but the transmission shaft is not only The cost is higher and the durability is also poor.

The conventional toy climbing vehicle structure disclosed above is also equivalent to the structural characteristics and shortcomings of the current climbing vehicle. Therefore, the design of the case is illustrated by the toy climbing vehicle as an example, but it is equivalent to Further utilizing the structure of the case to develop a climbing car structure that is a real person driving, especially for Chen Ming.

In view of this, the creator actively researched and designed the system based on the lack of the above-mentioned traditional conventional climbing car structure, and was able to develop a brand new remote-controlled climbing car chassis design to provide consumer use. The creative motive of the creative research institute.

The main purpose of this creation is to provide a remote-controlled climbing car chassis structure, so that the front and rear axles can exhibit flexible swings of up, down and twisting in a single-axis motion manner, thereby strengthening the overall structural structure of the chassis. At the same time increase the durability of the parts.

Another object of the present invention is to provide a remote control climbing car chassis structure. When the front and rear axles are swung, the distance between the differential and the universal joint point of the transfer case is kept constant, thereby being connected by a single-rod drive shaft with high durability and low cost.

For the above purposes, the remote control climbing car chassis structure of the present invention comprises two frames symmetrically mounted on both sides of the central transfer case, and a front and rear swing arm group connected with the front and rear axles of the frame. The utility model is characterized in that each swing arm group is composed of a swing arm seat, an axial center and an axle swing arm, wherein the swing arm seat is provided with a shaft hole in the center of the vehicle body, and the bearing is coupled in the shaft hole. The swing arm seat is respectively provided with a pivoting portion with a pivot hole on both sides of the radial direction of the shaft hole, and the shaft member can be pivotally connected with the frame; the end of the swing arm of the axle is coupled to the swing arm seat through an axial center. In the shaft hole, the other end has a V-shaped outwardly extending support arm, and the end of the support arm is respectively provided with a joint portion, which can be fixedly connected with the front and rear axles; thereby, the front and the rear are fixed. When the axle is swung up, down or twisted, the front and rear swing arm sets can be presented in a single-axis motion.

The following is only a detailed description of the specific embodiments and the drawings, so that your review committee can have a better understanding and understanding of the functions and features of the creation.

10‧‧‧Front swing arm set

10a‧‧‧ rear swing arm set

11‧‧‧Swing arm

111‧‧‧Axis hole

112‧‧‧ bearing

113‧‧‧ pivot hole

114‧‧‧ pivotal department

115‧‧‧ bushings

116‧‧‧Clamping Department

117‧‧‧ internal thread

118‧‧‧ screws

12‧‧‧Axis

121‧‧‧External thread section

122‧‧‧ Force Department

123‧‧‧ buckle groove

124‧‧‧ shaft buckle

13‧‧‧ axle swing arm

131‧‧‧Support arm

132‧‧‧ screw holes

133‧‧‧Combination Department

134‧‧‧crack

135‧‧‧bond hole

20‧‧‧Transfer box

21‧‧‧ drive shaft

22‧‧‧Contacts

30‧‧‧ frame

31‧‧‧Lock hole

40‧‧‧Front axle

40a‧‧‧After axle

41‧‧‧Differential

42‧‧‧ universal joint

50‧‧‧ Wheels

Figure 1 is a schematic perspective view of the present invention.

Figure 2 is a schematic exploded view of the structure of the present invention.

Figure 3 is a schematic cross-sectional view showing a partial structure of the present invention.

Fig. 4 is a schematic view showing the action of swinging up and down the chassis of the present invention.

Fig. 5 is a schematic view showing the action of twisting and swinging the left and right sides of the chassis of the present invention.

Fig. 6 is a schematic view showing the actual use state of the present invention.

Please refer to the figures 1~3. This creation is a remote control climbing car chassis structure, which mainly includes a front swing arm set 10 and a rear swing arm set 10a, and each swing arm set (10, 10a) is symmetrical. It is attached to the frame 30 on the front and rear sides of the central transfer case 20, and is connected to the front axle 40 and the rear axle 40a, respectively.

The two swing arm sets (10, 10a) are respectively composed of a swing arm seat 11, a shaft center 12 and an axle swing arm 13, wherein the swing arm seat 11 is arranged in the center along the vehicle body direction. There is a shaft hole 111, a bearing 112 is respectively coupled to the two ends of the shaft hole 111, and a pivoting portion 114 having a pivot hole 113 is disposed on each of the two sides of the shaft hole 111 at the radial direction of the swing arm seat 11. The shaft member pivotally pivots the swing arm base 11 to the frame 30 in an up and down swing. In the preferred embodiment, a sleeve 115 is further disposed on each of the two pivot holes 113. The outer edge of the sleeve 115 is convexly provided with a clamping portion 116, and the inner portion is provided with an internal thread 117. The swinging arm seat 11 is pivotally connected to the frame 30 by a screw 118 extending through the corresponding locking hole 31 of the frame 30 and locking the internal thread 117 inside the sleeve 115.

The shaft core 12 is a hollow tubular body, and an external thread segment 121 is disposed outside one end of the tubular body, and a force applying portion 122 for holding the tool is protruded from the outer thread segment 121, and the tubular body is at the other end. A groove-shaped groove 123 is formed in the adjacent edge, and the end of the buckle groove 123 is inserted into the shaft hole 111 of the swing arm seat 11 to be axially coupled with the two bearings 112, and then clamped by a shaft buckle 124. The buckle groove 123 engages it.

The axle swinging arm 13 is generally V-shaped and has two supporting arms 131 extending outwardly. A screw hole 132 is disposed at a common end of the two supporting arms 131, and is locked to the threaded section of the shaft core 12 121, the pivoting of the axle swing arm 13 and the swing arm seat 11 is achieved, so that the two side support arms 131 can be rotated through the shaft center 12, and a joint portion 133 is respectively disposed at the end of each support arm 131, and in this embodiment, The joint portion 133 is formed as a U-shaped clip groove 134, and a through hole 135 is formed in the upper portion of the clip groove. Most of the screws are used to connect the front and rear axles (40, 40a); thereby, they are combined into a new remote-controlled climbing car chassis structure.

In addition, since the axle swing arm 13 is rotatably coupled to the shaft hole 111 of the swing arm seat 11 through the shaft center 12, the shaft core 12 can be directly formed integrally on the axle swing. The axle end of the arm 13 and the axle swing arm 13 are directly pivoted to the swing arm seat 11.

Furthermore, the present invention does not show other examples of implementation, and the connection point of the locking hole 31 of the frame 30 and the transmission shaft 21 on the transfer case 20 is designed to be on the same axis (Fig. When the swing arm seat 11 is pivotally connected to the frame 30, the pivoting arm seat 11 pivot can be located at the same axis as the connection point of the transfer case 20 of the transfer case 20, thus the current and rear axles (40, 40a) When swinging up and down, the distance between the connection point of the universal joint 42 of the differential 41 and the transmission shaft 21 of the transfer case 20 at the connection point 22 can be permanently fixed, thereby designing The single-rod transmission shaft 21 with high durability and low cost and fixed length is used to pass through the hollow shaft 12 to pass through the differential speed of the transfer case 20 and the front and rear axles (40, 40a). Between the 41, stable transmission power.

Please refer to the figure 4~6, the remote control climbing car chassis structure of this creation, when used, the front axle 40 and the rear axle 40a will be swung by the change of the shape of the wheel 50 (such as As shown in Fig. 6, therefore, when the front and rear axles (40, 40a) are swung up and down, the swing arm seat 11 pivoting portion 114 of the swing arm group (10, 10a) can be utilized as a single axis. The method generates an up and down swing (as shown in FIG. 4); if the front and rear axles (40, 40a) exhibit left and right twisting swings, the axle swing arm provided on the swing arm seat 11 can also be utilized. 13, the same can produce a left and right twisting swing in a single axis (as shown in Figure 5). In this way, not only the wear between the chassis members can be reduced, the durability of the components can be increased, and the overall structural structure of the chassis can be enhanced, and the sensitivity of the deformation of the chassis can be improved, and the stability of the control can be increased.

In summary, the remote control climbing car chassis structure of the present invention enables the remote climbing car to be uniaxially actuated, and the flexible swing of the upper, lower and twisted waists with the change of the ground type is indeed effective. The shortcomings of the chassis structure of the conventional multi-link type are improved, so that the design of the chassis structure can be more advanced, more practical, and more in line with the needs of the user, and has the value of industrial use, and is a novel design. It can be used as a toy remote control climbing car or a real-life driving climbing car structure.

However, the above descriptions are only preferred embodiments of the present invention, and the scope of the present invention cannot be limited by this; therefore, the simple equivalent changes and modifications made by the scope of the patent application and the contents of the new manual are All should remain within the scope of this new patent.

Claims (5)

The utility model relates to a remote climbing climbing car chassis structure, which comprises two frames symmetrically mounted on both sides of a central transfer case, and a front and rear swing arm group connected with the front and rear axles of the frame, characterized in that: each swing arm The assembly system is composed of a swing arm seat, an axial center and an axle swing arm. The swing arm seat is provided with a shaft hole in the center of the vehicle body, the bearing is integrated in the shaft hole, and the outer side of the swing arm seat is along the shaft. A pivoting portion with a pivoting hole is respectively arranged on both sides of the radial direction of the hole, and the pivoting member can be pivotally connected with the frame; the end of the swinging arm of the axle is coupled to the shaft hole of the swing arm seat through an axial center, and the other end is There are two support arms extending outward in a V shape, and the ends of the support arms are respectively provided with a joint portion which can be fixedly connected with the front and rear axles; thereby, the front and rear axles are twisted up, down or twisted. When swinging, the front and rear swing arm sets can be presented in a single-axis motion. The remote control climbing vehicle chassis structure according to claim 1, wherein the swing arm seat is provided with a sleeve in each of the pivot holes of the pivot joints of the two sides, and a clamping portion is protruded from the outer edge of the sleeve. The inner part is internally threaded, and the swing arm seat is pivotally connected by a screw through a corresponding locking hole of the frame. The remote control climbing vehicle chassis structure according to claim 1, wherein the shaft center is a hollow tubular body, and an external threaded portion is disposed outside one end of the tubular body, and the other end of the tubular body is disposed adjacent to the edge. The utility model has a ring groove-shaped buckle groove, and the end portion of the buckle groove is inserted into the shaft hole of the swing arm seat to be engaged with the two bearings, and then the shaft pin is engaged with the swing arm seat by a buckle buckle At the same time, the axle of the axle is generally V-shaped and has two support arms extending outwardly. A screw hole is arranged at the common end of the two support arms, and the external thread portion of the shaft body can be externally threaded. It is locked in the screw hole of the swing arm of the axle to achieve the pivoting of the swing arm of the axle and the swing arm seat. The remote control climbing vehicle chassis structure according to claim 3, wherein the shaft is externally threaded A force applying portion for clamping the tool is protruded from the side of the segment. The remote control climbing vehicle chassis structure according to claim 1, wherein the swing arm seat is provided with a shaft hole in the center of the vehicle body, and a bearing is coupled to each end of the shaft hole.