JPH031804U - - Google Patents

Description

[Brief explanation of drawings]

Figure 1 is a perspective view of the main part with one part cut away, Figure 2
The figure is a perspective view of the main part with the spike pin lowered, Figure 3 is a perspective view of the main part with the spike pin exposed, and Figure 4 is a plan view explaining the arrangement of the air hose. Explanatory drawings, FIGS. 5 and 6 are longitudinal cross-sectional views of the protective case portion, FIG. 7 is a plan view explaining the lower notch and the upper notch, and FIG. 8 is a cross-sectional view taken along line A-A. 9 are sectional views taken along the line B-B. 1... Air spike tire, 2... Tire body, 3... Air hose part, 4... Spike pin part, 5... Air tube part, 6... Pin part, 7
...Lower notch, 8...Upper notch, 1
0... Valve, 11... Air moving device.

Claims (1)

[Claims for Utility Model Registration] 1. The air hose portion 3 disposed within the tread rubber portion 2A includes a vertical air hose 3A disposed in parallel with the rotational direction of the tire body, and It consists of one connected horizontal air hose 3B, and one end of this horizontal air hose 3B is connected to a valve 3C provided on the side of the tread rubber part, and is embedded in the tread rubber part while connected to the vertical air hose 3A. The disposed spike pin section 4 is composed of an air tube section 5 from below and a pin section 6 that moves up and down on the upper surface of the air tube section 5 according to the expansion and contraction of the air tube section 5. is composed of a cylinder 5C sealed with a top plate 5A and a bottom plate 5B.
B communicates with the vertical air hose 3A, and the outer surface of the air tube portion 5 is surrounded and protected by a protective case 5D, which includes a lower case 5D1 having a cylindrical shape and an upper case 5D1 having a cylindrical shape. The upper case 5D2 is configured to expand and contract according to the expansion of the air tube section 5 inside, and a hard rubber head 5D3 is stretched on the upper surface of the upper case 5D2, and the pin section Reference numeral 6 is composed of a cylindrical body 6B installed in the center of the upper surface of a disc body 6A, and a cylindrical pin guard 6C is slidably fitted to the outer periphery of this cylindrical body 6B. The tread rubber portion 2A is further provided with a lower notch 7 and an upper notch 8 corresponding to the air tube portion 5 and the pin portion 6. The lower notch 7 is cut in the upper surface of the air tube part 5 in a rectangular plane and substantially parallel to the tread 2B,
The upper notch 8 is the cylindrical body 6 in the pin part 6.
Tread 2B in a rectangular plane at the position below B.
The left and right sides 7B of the lower notch 7 and the upper notch 8
It is connected to the left and right sides 8B by a vertical notch 9,
In addition, the head hard rubber 5D3 of the upper case 5D2 in the pin portion 6 is bonded to the upper surface 7C of the lower notch 7. 2. The protective case 5D is made of metal material to withstand the maximum pressure of the tire body, and when the air tube section 5 is inflated, it expands by about 5 mm to 6 mm, and when the air tube section 5 is in normal condition, the upper case 5D2 is The air spike according to claim 1, wherein the air spike is housed in the lower case 5D1, and the lower case 5D1 and the upper case 5D2 are provided with engaging edges 5D11 and 5D21 to prevent the upper case 5D2 from elongating more than necessary. tire. 3. The air spike tire according to claim 1 or 2, wherein the air within the tire body is moved to the air hose side as necessary using an air moving device 11.