RU93767U1 - SANI - Google Patents

Abstract

The utility model relates to sleighs that can be used to move on snow and land, for transporting children and goods. The task is to simplify the design and also, increase the usability. Sledges contain a frame, a handrail, skids with axle-free rotating elements, which can be made in the form of wheels or rollers, which are attached to the skids with the use of protrusions, reciprocal recesses and fixing elements. Axial-free rotating elements can be made in the form of balls that are attached to the skids using fixing elements. The runners, with axle-free rotating elements mounted on them, are designed so that when sliding on the runners, the load on the axle-free rotational elements is minimal (touching the ground) or zero (not touching the ground), that is, they are in an unsupported position. The handrail is made with the possibility of changing its position.

Description

The utility model relates to sleighs that can be used to move on snow and land, for transporting children and goods.

A vehicle is convertible from a sled to a wheeled vehicle according to RU Patent No. 62884, selected as a prototype, comprising a traction body, a frame on which skids are fixed, wheels mounted on axles fixed outside the vehicle base. A disadvantage of the known vehicle is the design complexity, the difficulty of maneuvering on a wheeled drive.

The technical task is to simplify the design and also, increase the usability.

The technical result is achieved in a sled containing a frame, a handrail, skids with axle-free rotating elements, which can be made in the form of wheels or rollers that are attached to the skids with the use of protrusions, counter cavities and fixing elements. Axial-free rotating elements can be made in the form of balls that are attached to the skids using fixing elements. The skids, with axle-free rotating elements mounted on them, are designed so that when sliding on the skids, the load on the axle-free rotational elements is minimal (touching the ground) or zero (not touching the ground), that is, they are in an unsupported position. The handrail is made with the possibility of changing its position.

The utility model is illustrated by drawings.

figure 1 - sled when sliding skids in the snow;

figure 2-4 - axisless rotating element made in the form of a wheel (roller);

figure 5 - axisless rotating element made in the form of a ball;

6 - sleigh rolling on wheels;

7-8 - handrail in different positions.

The sleigh (figure 1) contains a frame consisting of racks 1 and horizontal elements 2, a handrail 3. To the frame are mounted runners 4 with axle-free rotating elements 5.

In addition, to improve the manufacturability, skids, frame and handrail can be made as a whole of bent pipes.

Axial-free rotating elements 5 can be made of plastic, in the form of wheels or rollers (FIGS. 2-4), which are attached to the skids 4 using fixing elements 6 with projections 9 or with recesses 7, as well as with recesses 8 and projections 10, respectively made on axisless rotating elements 5. The recesses or protrusions on the locking elements 6 can be extruded.

Axial-free rotating elements 5 can be made in the form of balls 11 (Fig. 5), which are attached to the skids using fixing elements 12 with a cavity of a spherical shape.

The skids 4, with axial-free rotating elements 5 mounted on them, are made in such a way that, when sliding on the skids, the axial-free rotary elements 5 can touch the supporting surface 13 (snow cover, ice) or can be in the unsupported position (Fig. 1). For this, the runners 4 are made curved, the locking elements 6 with axial-free rotating elements 5 are located at the bent ends (bottom or ends) of the runners 4. The fixing elements 6 can be made in the form of separate parts (for example, figure 2, 4) connected with the skids 4. In addition, the locking elements 6 can be made with the skids 4 as a whole (figure 3), for example, cutting eyes under axial-free rotating elements 5 from tubular skids 4 with subsequent extrusion in the skids 4 of the protrusions 9 or recesses 7 for fixation ezosevogo rotating member 5.

The handrail 3 is made with the possibility of changing its position (Fig.6-8). For this, the posts 1 can be provided with tubular elements into which the ends of the handrail 3 can be inserted.

Sleds are used as follows.

When moving on a snow or ice surface, the runners 4 slide along the supporting surface 13.

To go to the wheel drive, it is necessary to apply force to the handrail 3 so that the sleigh rotates with support on the axle-free rotating elements 5 by an angle sufficient for the runners 4 to come out of contact with the supporting surface 13 (Fig. 6), and the sleigh would be supported only on axisless rotating elements 5. So, when the handrail 3 and axisless rotating elements 5 are located at one end of the sled (Fig.6), the force on the handrail should be applied downward, when they are located on different sides of the sled (Fig.7, 8) , the force on the handrail must be applied upward.

The movement of the sled based on axisless rotating elements 5, made in the form of balls (figure 4), can occur in any direction, which increases usability.

If necessary, the handrail 3 can be deployed (Fig.7) or rearranged into the tubular elements of another pair of racks 1 (Fig.8).

Using in the manufacture of axial-free rotating elements 5 and fixing elements b with protrusions and recesses can improve the manufacturability and reduce the cost of the sleigh.

Claims (5)

1. Sleds, characterized in that they contain a frame, handrail, skids with axisless rotating elements. 2. Sled according to claim 1, characterized in that the axle-free rotating elements are made in the form of wheels or rollers that are attached to the skids with the use of fixing elements, protrusions and reciprocal recesses. 3. The sled according to claim 1, characterized in that the axial-free rotating elements are made in the form of balls that are attached to the skids using fixing elements. 4. The sled according to claim 1, characterized in that the skids with axle-free rotating elements mounted on them are made in such a way that when sliding on the skids the axle-free rotational elements are in an unsupported position. 5. Sled according to claim 1, characterized in that the handrail is made with the possibility of changing its position.