CN109969234B - mobile vehicle - Google Patents

Abstract

A mobile vehicle comprises a body support connecting device, an adjustment assembly, a body support, an axle support, at least one axle and at least one wheel. The adjustment assembly is arranged on the body support connecting device. One end of the body support is connected to the body support connecting device, and the relative position of the body support and the body support connecting device is changed by adjusting the adjustment assembly. The axle support is arranged on the body support connecting device. The axle is connected to the axle support. The wheel is arranged on the axle and connected to the axle support through the axle.

Description

mobile vehicle

【Technical field】

The present invention relates to a mobile carrier, in particular to a mobile carrier whose moving direction can be adjusted.

【Background technique】

Small mobile vehicles with wheels, such as golf carts, strollers, shopping carts, electric carts, remote control carts, or other types of carts, etc., when people travel, daily leisure, shopping or entertainment can provide considerable convenience in the application of . However, in the process of production or use, it may be found that the cart does not move in a straight line, but deviates in a certain direction, causing great distress to the user.

[Content of the invention]

An object of the present invention is to provide a mobile carrier that can keep running straight through simple adjustment.

To achieve the above object, a mobile vehicle according to the present invention includes a body support connecting device, an adjustment assembly, a body support, an axle support, at least one wheel axle and at least one wheel. The adjustment assembly is arranged on the body support connecting device. One end of the body support is connected to the body support connecting device, and the relative position of the body support and the body support connecting device is changed by adjusting the adjustment assembly. The axle bracket is arranged on the body bracket connection device. The axle is connected to the axle bracket. The wheel is arranged on the axle and is connected with the axle bracket through the axle.

In one embodiment, the adjustment assembly includes an adjustment piece and a linking piece, the linking piece is adjacent to the end of the vehicle body bracket, the adjustment piece and the linking piece are correspondingly arranged, and the adjustment piece passes through the vehicle body bracket and the linking piece.

In one embodiment, when the adjusting member is adjusted relative to the linking member, the linking member moves relative to the vehicle body bracket connecting device with a fulcrum, thereby driving the vehicle body bracket to move relative to the vehicle body bracket connecting device at the pivot point.

In one embodiment, the body bracket attachment device has a first side wall, and the end of the body bracket has a second side wall adjacent to the first side wall, the first side wall being parallel to the second side wall.

In one embodiment, the body bracket attachment device has a first side wall, the end of the body bracket has a second side wall adjacent to the first side wall, the first side wall and the second side wall being non-parallel.

In one embodiment, the body bracket attachment device has a first side wall, the end of the body bracket has a second side wall adjacent to the first side wall, and the second side wall and the first side wall have a non-zero gap between the second side wall and the first side wall. .

In one embodiment, the mobile vehicle is a cart, golf cart, baby stroller, electric cart, or remote control cart.

To achieve the above object, a mobile vehicle according to the present invention includes a body support connecting device, a body support, an axle support, at least one wheel axle and at least one wheel. The body mount attachment has a first side wall. One end of the body support is connected to the body support connecting device, the end of the body support has a second side wall, the second side wall is adjacent to the first side wall, and there is a non-zero gap between the second side wall and the first side wall. The axle bracket is arranged on the body bracket connection device. The axle is connected to the axle bracket. The wheel is arranged on the axle and is connected with the axle bracket through the axle.

In one embodiment, the gap is greater than 0 and less than or equal to 1 cm.

In one embodiment, the first sidewall and the second sidewall are not parallel.

Continuing from the above, in the mobile vehicle of the present invention, the relative position of the vehicle body bracket and the vehicle body bracket connecting device can be changed by adjusting the adjustment assembly; in addition, the vehicle body bracket connecting device has a first side wall, which is closely connected with the vehicle body. The vehicle body bracket connected by the bracket connecting device has a second side wall adjacent to the first side wall, and the structure design of the gap between the second side wall and the first side wall is not zero, so that the mobile carrier of the present invention can be When the relative position of the axle bracket and the axle (wheel) is fixed, the angle between the axle bracket and the body bracket can be adjusted by adjusting the relative position of the connecting device of the body bracket and the body bracket, so that the mobile vehicle can maintain a straight line of travel. .

【Description of drawings】

FIG. 1 is a schematic diagram of a mobile carrier according to an embodiment of the present invention.

FIG. 2 is a schematic partial cross-sectional view of the mobile carrier of FIG. 1 .

FIG. 3A and FIG. 3B are schematic diagrams respectively illustrating that the moving vehicle according to the embodiment adjusts the relative positions of the vehicle body support and the connection device of the vehicle body support through the adjustment assembly.

4A and 4B are partial cross-sectional schematic diagrams of mobile carriers according to different embodiments of the present invention, respectively.

FIG. 5 is a schematic diagram of a mobile vehicle according to different embodiments of the present invention.

【Detailed ways】

The mobile vehicle according to the preferred embodiment of the present invention will be described below with reference to the related drawings, wherein the same components will be described with the same reference numerals.

FIG. 1 is a schematic diagram of a mobile carrier 1 according to an embodiment of the present invention, and FIG. 2 is a partial cross-sectional schematic diagram of the mobile carrier 1 of FIG. 1 . The mobile vehicle 1 is a wheeled cart, such as but not limited to a trolley, golf cart, baby cart, shopping cart, electric cart, remote control cart, or other carts with wheels . Here, the mobile vehicle 1 is an example of a golf cart.

Referring to FIG. 1 in conjunction with FIG. 2 , the mobile vehicle 1 includes a body support connecting device 11 , an adjustment assembly 12 , a body support 13 , an axle support 14 , at least one axle 15 and at least one wheel 16 . In addition, the mobile vehicle 1 of this embodiment may further include an axle connecting device 17, a rear axle bracket 181, at least one rear axle connecting device 182, at least one rear axle 183, at least one rear wheel 184, an upper bracket connecting device 191, an upper The bracket 192 , the push handle bracket connecting device 193 and the push handle bracket 194 .

The body bracket 13 has a first end E1 ( FIG. 2 ) and a second end (not shown in the figure). The body bracket 13 is connected to the body bracket connecting device 11 through the first end E1 . In this embodiment, the first end E1 of the vehicle body bracket 13 is inserted into the vehicle body bracket connecting device 11 and connected to the vehicle body bracket connecting device 11 . In addition, the vehicle body bracket 13 of the present embodiment is a hollow tube with ribs 132 ( FIG. 2 ) in the interior to increase the structural strength.

The adjusting assembly 12 is disposed on the vehicle body bracket connecting device 11 , and the relative position of the vehicle body bracket 13 and the vehicle body bracket connecting device 11 can be changed by adjusting the adjusting assembly 12 . The structure of the adjustment assembly 12 and the relative position adjustment process of the vehicle body bracket 13 and the vehicle body bracket connecting device 11 will be described in detail below.

The axle bracket 14 is provided on the vehicle body bracket connecting device 11 . Here, the axle bracket 14 is connected to the vehicle body bracket 13 via the vehicle body bracket connecting device 11 . The axle bracket 14 in this embodiment is connected to the vehicle body bracket connecting device 11 through the vehicle body bracket connecting device 11 as an example (the two can be fixed by, for example, screws and/or other fasteners), so that the axle bracket 14 is connected to the vehicle body bracket The relative position of the connecting device 11 is fixed and cannot be changed. In addition, the axle bracket 14 of the present embodiment is also a hollow tube with ribs 141 ( FIG. 2 ) inside to increase the structural strength.

The above-mentioned "connection" may include "removable connection" and "non-removable connection". The “connection” between the axle bracket 14 and the body bracket connecting device 11 in this embodiment is an “immovable connection”. The bracket 13 and the body bracket connecting device 11 are "movable connection", for example, the body bracket 13 can be fixed to make the body bracket connecting device 11 move relative to the body bracket 13; or the body bracket connecting device 11 can be fixed and the body bracket 13 can be relatively The vehicle body support connecting device 11 moves.

The axle 15 is connected to the axle bracket 14, and the wheel 16 is arranged in the axle 15. The "connection" can be "direct connection" or "indirect connection". The ground clearance of the wheel axle bracket 14 and the wheel axle 15 may be the same or different, which is not limited. In this embodiment, the axle bracket 14 and the axle 15 are indirectly connected, and the height of the axle bracket 14 from the ground is higher than that of the axle 15 as an example. Here, the axle bracket 14 is connected to the axle 15 (and the wheel 16 ) through the axle connecting device 17 . In addition, in this embodiment, the number of the axle connecting device 17 , the axle 15 and the wheel 16 (front wheel) is all two, and they are respectively connected to both ends of the axle bracket 14 . Specifically, the two ends of the axle bracket 14 in this embodiment are respectively connected to an axle 15 and a wheel 16 through an axle connecting device 17 , and the axle bracket 14 is connected to the first part of the vehicle body bracket 13 through the vehicle body bracket connecting device 11 . terminal E1. In some embodiments, the mobile vehicle 1 may also have only one wheel 16 (front wheel) and one axle 15 corresponding to one wheel 16 . In addition, the wheel 16 in this embodiment is the front wheel of the mobile vehicle 1 as an example, but in different embodiments, the wheel 16 may also be the rear wheel of the mobile vehicle 1 , which is not limited in the present invention.

The second end of the body bracket 13 is connected to the upper bracket connecting device 191 , and the rear axle bracket 181 is disposed on the body bracket 13 . The upper bracket connecting device 191 is inserted into the second end of the vehicle body bracket 13 in this embodiment to be connected with the upper bracket connecting device 191, and the rear axle bracket 181 is also passed through the upper bracket connecting device 191 (the two can be fixed by, for example, screws and/or or other fixing parts), so that the second end of the body bracket 13 can be connected to the rear axle bracket 181 through the upper bracket connecting device 191 . In addition, the number of the rear wheel axle connecting device 182 , the rear wheel axle 183 and the rear wheel 184 in this embodiment is also two. The rear wheel 184 is arranged on the rear axle 183 and is connected to the rear axle connecting device 182 and the rear axle bracket 181 through the rear axle 183, so that both ends of the rear axle bracket 181 are also connected to a rear axle through a rear axle connecting device 182 respectively. 183 and a rear wheel 184 are connected.

In addition, one end of the upper bracket 192 is connected to the vehicle body bracket 13 through the upper bracket connecting device 191 , and the push handle bracket 194 is connected to the other end of the upper bracket 192 . Here, the handle bracket 194 and the upper bracket 192 are respectively connected to two sides of the handle bracket connection device 193 , so that the other end of the upper bracket 192 can be connected to the handle bracket 194 through the handle bracket connection device 193 .

Body bracket connection device 11, body bracket 13, wheel axle bracket 14, wheel axle connection device 17, rear wheel axle bracket 181, rear wheel axle connection device 182, upper bracket connection device 191, upper bracket 192, push handle bracket connection device 193 and push handle bracket The material of 194 includes, for example, but not limited to, metal (eg, aluminum), plastic or rubber, or other materials. In addition, the wheel axle bracket 14 and the rear wheel axle bracket 181 of this embodiment are substantially parallel, and the vehicle body bracket 13 is substantially perpendicular to the wheel axle bracket 14 and the rear wheel axle bracket 181 , respectively.

In order to fix the object (for example, a golf bag) placed on the mobile carrier 1 so as not to fall off when moving, the mobile carrier 1 of this embodiment may further include a front support cargo seat 112 and at least two upper Stopper 195 . The front bracket cargo seat 112 is arranged on the body bracket connection device 11, and the two upper stops 195 are respectively arranged on both sides of the push handle bracket connection device 193, so that when the object is placed on the mobile carrier 1, it can be The upper and lower sides block the object to avoid falling during the movement. In some embodiments, the two upper stoppers 195 can adjust the unfolded width to accommodate objects of different widths. In addition, the front support cargo seat 112 and the vehicle body support connecting device 11 may be the same component or different components. The front support cargo support 112 and the vehicle body support connecting device 11 in this embodiment are the same component as an example.

In addition, in order to prevent sliding of the mobile vehicle 1 , the mobile vehicle 1 of this embodiment may further include at least one rear wheel brake 196 . The rear wheel brake 196 is adjacent to the rear wheel axle connecting device 182 and can be used to lock the rear wheel axle 183 Or rear wheels 184 so that the mobile vehicle 1 does not move.

During the production or use of the mobile vehicle 1, it may be found that the mobile vehicle 1 does not follow a straight line and deviates in a certain direction. Therefore, the moving vehicle 1 can adjust the relative positions of the vehicle body bracket 13 and the vehicle body bracket connecting device 11 through the adjusting assembly 12 , so that the moving vehicle 1 can keep moving in a linear direction. As shown in FIG. 2 , the adjusting assembly 12 of the present embodiment may include an adjusting member 121 and a linking member 122 , the linking member 122 is adjacent to the first end E1 of the vehicle body bracket 13 , and the adjusting member 121 corresponds to the linking member 122 The adjusting member 121 passes through the body bracket 13 and the linking member 122 .

Here, the body bracket 13 is a hollow sleeve, and the linking member 122 is located in the hollow body bracket 13 (located at the first end E1 ), and is closely matched with the body bracket 13 . In addition, the adjusting member 121 in this embodiment is an adjusting screw, and passes through the side surface of the body support connecting device 11 , the body support 13 , the link 122 and the other side surface of the body support connecting device 11 in sequence, and passes through at least one lock The fasteners 123 are provided on the vehicle body bracket connecting device 11 . Wherein, the linking member 122 has a thread (not shown) corresponding to the adjusting screw where the adjusting member 121 passes through. In other words, when the adjusting member 121 is adjusted (eg rotated) relative to the linking member 122, the linking member 122 will move relative to the adjusting member 121 at a fulcrum O due to the engagement between the adjusting screw and the thread, thereby causing the body bracket to move relative to the adjusting member 121. 13 moves relative to the vehicle body support connecting device 11 together with the linkage 122 . Here, the linking member 122 can move relative to the body support connecting device 11 in the first direction D1 or the second direction D2 (the first direction D1 and the second direction D2 are opposite directions) with the fulcrum O as the center, which will drive the body support 13 to The fulcrum O moves in the first direction D1 or the second direction D2 relative to the vehicle body support connecting device 11 . Here, the fulcrum O is formed by fixing the linking member 122 on the vehicle body bracket 13 by fixing members (eg, screws or rivets, not shown).

FIG. 3A and FIG. 3B are respectively schematic diagrams of the mobile vehicle 1 according to the present embodiment adjusting the relative positions of the vehicle body bracket 13 and the vehicle body bracket connecting device 11 through the adjustment component 12 .

As shown in FIG. 3A , since the first end E1 of the body bracket 13 is inserted into the body bracket connection device 11 and connected to the body bracket connection device 11 , there is a first side wall 111 inside the body bracket connection device 11 , which corresponds to the body bracket connection device 11 . The first end E1 of the vehicle body bracket 13 inside the bracket connecting device 11 has a second side wall 131 adjacent to the first side wall 111 , and the first side wall 111 and the second side wall 131 are not parallel, and the included angle θ between the two is For example, it may not be greater than 10 degrees, and in another preferred embodiment, it may be between 0 degrees and 5 degrees (0<θ≦5°). In other words, there is a non-zero gap G between the first side wall 111 of the body support connecting device 11 and the second side wall 131 of the body support 13 . The gap G is an adjustment space for adjusting the body support connecting device 11 relative to the body. Movement of the stand 13 .

In this embodiment, the maximum value of the value of the gap G in FIG. 3A can be at the bottom of the vehicle body support connecting device 11 in the figure, and the range of this value can be less than or equal to 10 cm, that is, 0<G≦10cm. In another preferred embodiment, it can also be less than or equal to 1 cm (0<G≦1cm). Herein, the gap G should not be too large, otherwise foreign objects may enter easily, which may hinder the adjustment between the body support connecting device 11 and the body support 13 . In addition, since the first side wall 111 and the second side wall 131 are not parallel, the linking member 122 can be inserted into the groove of the body support connecting device 11 , thereby increasing the distance between the linking member 122 and the body support connecting device 11 . connection stability.

Under normal circumstances, as shown in FIG. 3A , the gap G or the angle θ between the two sides of the body bracket 13 at the same relative position should be the same. In this embodiment, it is assumed that before the adjustment, the moving vehicle 1 will shift in the second direction D2 when moving forward. As shown in FIG. 3B , the user can rotate the adjustment member 121 in the rotation direction R of FIG. Rotate the adjusting member 121 relative to the linking member 122. Because of the engagement between the screw and the thread, the linking member 122 will be offset relative to the adjusting member 121 in the first direction D1 with the fulcrum O as the center, so that the body bracket 13 is also connected to the body bracket. The device 11 is shifted to the third direction D3 (clockwise) in FIG. 3B . At this time, the width of the left gap G2 of the body bracket 13 becomes smaller (the angle of θ2 becomes smaller), and the width of the right gap G1 becomes larger (θ1 angle increases). If the vehicle body bracket 13 does not move, the vehicle body bracket connecting device 11 will shift in the fourth direction D4 (counterclockwise direction). Since the axle bracket 14 is fixedly connected to the vehicle body bracket connecting device 11, the The driving wheel 16 is shifted in the first direction D1, thereby correcting the phenomenon that the moving vehicle 1 is deviated in the second direction D2, so that it can move in a straight direction.

Therefore, the mobile vehicle 1 of the present embodiment can directly adjust the relative positions of the body support connecting device 11 and the body support 13 through the adjustment assembly 12 under the condition that the relative positions of the wheels 16 , the wheel axles 15 and the wheel axle brackets 14 are fixed, that is, The angle between the axle bracket 14 and the vehicle body bracket 13 is adjusted to correct the movement of the mobile carrier 1 so as to keep the movement in the linear direction. Therefore, compared to the conventional adjustment of the axles or wheels to correct the moving direction of the cart, the mobile carrier 1 of the present embodiment can simply rotate the adjustment member 121 of the adjustment assembly 12 without changing the relationship between the axles and the wheels. In the relative position, the moving direction of the mobile carrier 1 can be corrected at a relatively large angle, which is quite convenient and simple.

In addition, please refer to FIG. 4A and FIG. 4B , which are schematic partial cross-sectional views of mobile carriers 1 a and 1 b according to different embodiments of the present invention, respectively.

In the moving vehicle 1 of FIG. 2 , the cross-sectional width of the body frame 13 inserted in the body frame connecting device 11 is as large as the cross-sectional width exposed outside the body frame connecting device 11 . However, as shown in FIG. 4A , the main difference from the mobile vehicle 1 in FIG. 2 is that the cross-sectional width of the vehicle body bracket 13 a inserted in the vehicle body bracket connecting device 11 of the mobile vehicle 1 a in FIG. 4A is larger than that when the vehicle body bracket connecting device is exposed. The cross-sectional width outside 11 makes the first side wall 111 and the second side wall 121 not parallel to form an angle.

In addition, as shown in FIG. 4B , the main difference from the mobile carrier 1 in FIG. 2 is that the first side wall 111 and the second side wall of the vehicle body bracket 13 of the mobile carrier 1 b of the present embodiment are the first side wall 111 of the vehicle body support connecting device 11 b 131 are parallel to each other.

In addition, other technical features of the mobile carriers 1a and 1b are the same as those of the mobile carrier 1, and the other features of the mobile carriers 1a and 1b will not be repeated here.

Please refer to FIG. 5 , which is a schematic diagram of the mobile vehicle 1 c according to different embodiments of the present invention. The mobile vehicle 1c of this example is a baby stroller as an example. As indicated by the area A indicated by the dotted line in FIG. 5 , the above-mentioned adjustment technique of the moving direction can also be applied to the adjustment of the front wheel of the mobile carrier 1c, so that the mobile carrier 1c can keep running straight through simple adjustment. The technical content of the adjustment has been described in detail above, and will not be further described here.

To sum up, in the mobile vehicle of the present invention, the relative position of the vehicle body bracket and the vehicle body bracket connecting device can be changed by adjusting the adjustment assembly; in addition, the vehicle body bracket connecting device has a first side wall, which is closely connected with the vehicle body. The vehicle body bracket connected by the bracket connecting device has a second side wall adjacent to the first side wall, and the structure design of the gap between the second side wall and the first side wall is not zero, so that the mobile carrier of the present invention can be When the relative position of the axle bracket and the axle (wheel) is fixed, the angle between the axle bracket and the body bracket can be adjusted by adjusting the relative position of the connecting device of the body bracket and the body bracket, so that the mobile vehicle can maintain a straight line of travel. .

The foregoing is exemplary only, and not restrictive. Any equivalent modifications or changes without departing from the spirit and scope of the present invention should be included in the appended claims.

Claims (9)

1. A mobile vehicle, comprising:

a vehicle body bracket connecting device;

the adjusting assembly is arranged on the vehicle body bracket connecting device;

a vehicle body bracket, one end of which is connected to the vehicle body bracket connecting device, and the relative position of the vehicle body bracket and the vehicle body bracket connecting device is changed by the adjustment of the adjusting component;

the wheel shaft bracket is arranged on the vehicle body bracket connecting device;

at least one axle connected to the axle bracket; and

at least one wheel arranged on the wheel shaft and connected with the wheel shaft bracket through the wheel shaft;

wherein the adjusting component comprises an adjusting piece and a linkage piece, the linkage piece is adjacently arranged at the end of the vehicle body bracket, the adjusting piece is arranged corresponding to the linkage piece, and the adjusting piece is arranged through the vehicle body bracket and the linkage piece,

when the adjusting piece is adjusted relative to the linkage piece, the linkage piece moves relative to the vehicle body support connecting device through a fulcrum, and then the vehicle body support is driven to move relative to the vehicle body support connecting device through the fulcrum.

2. The mobile vehicle of claim 1, wherein the body bracket attachment device has a first sidewall, the end of the body bracket has a second sidewall adjacent the first sidewall, the first sidewall and the second sidewall are non-parallel.

3. The mobile carrier of claim 1, wherein the mobile carrier is a golf cart or a stroller.

4. The mobile vehicle of claim 1, wherein the body bracket attachment device has a first sidewall, the end of the body bracket has a second sidewall adjacent the first sidewall, the first sidewall being parallel to the second sidewall.

5. The mobile vehicle of claim 1, wherein the body bracket attachment device has a first sidewall, the end of the body bracket has a second sidewall adjacent the first sidewall, the second sidewall having a non-zero gap with the first sidewall.

6. The mobile carrier of claim 5, wherein the gap is greater than 0 and less than or equal to 10 cm.

7. The mobile carrier of claim 1, wherein the mobile carrier is a cart.

8. The mobile vehicle of claim 1, wherein the mobile vehicle is a power cart.

9. The mobile vehicle of claim 1, wherein the mobile vehicle is a remote control cart.

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