JPH01297312A - Tyre non-slip device for vehicle - Google Patents

Abstract

PURPOSE:To enhance non-slip effect of one the main body of which is provided with numerous pores formed therethrough each of which pores has each of spike pins slidably inserted thereinto, by disposing each of the spike pins zigzag along the peripheral side of the main body, and forcing each of the spike pins to bite road surface in sequence. CONSTITUTION:The main body 1 of a non-slip device is disposed coaxially with the rim R of a tyre T and fixed to the rim R via a stay S. The rim R and a brake drum D are fixed to an axle shaft A, and also the main body 1 is disposed on the inner side of the tyre T. The main body 1 is provided with numerous pores 3 formed therethrough, and also each of spike pins 2 is slidably inserted into each of the pores 3. Besides each of the spike pins 2 is elastically held in its retreat position by a spring 4, and also forced to protrude in its advance position by an extension tube 5. In this case, each of the pores 3, i.e. each of the spike pins 2 is arranged zigzag along the peripheral side of the main body 1.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a tire slip prevention device for vehicles such as automobiles and trucks.

Structure of conventional technology and its problems In vehicles such as cars and trucks, when the road surface is frozen, it is used to prevent tires from slipping.
Chains that are attached to the outer circumferential surface of tires are commonly used. However, there is a problem in that it is not easy and cumbersome to attach the chain to the outer peripheral surface of the tire. In addition, so-called spiked tires are also widely used, but these are undesirable due to the problem of dust pollution.

Therefore, prior to filing the present application, the applicant of the present invention devised and proposed a tire slip prevention device capable of preventing vehicle tires from slipping without using chains or spiked tires (Utility Application No. 159194/1982). This device has an annular body that is located concentrically with the rim of the tire, is fixed to the rim, and rotates integrally with the rim. The main body and rim may be integrated. Additionally, a plurality of spike pins are arranged radially around the center of the body and are each inserted into a hole formed in the body. Each spike pin is guided by a hole in the main body, and the spike pin is in a protruding position where its outer end protrudes outward from the outer circumferential surface of the tire and a retracted position where its outer end retreats inwardly from the outer circumferential surface of the tire. You can slide between them. Furthermore, an annular inflation tube is built into the main body and is opposed to the inner end of each spike pin, so that each spike pin can be projected to its protruding position by the inflation tube. Therefore, even if the road surfaces are connected, the outer ends of the spike pins can dig into the road surface to prevent the tire from slipping.

However, this device had problems with the arrangement of the spike pins. With respect to the spike pins, it has only been contemplated that each spike pin may be provided within a single cross-section of the body and arranged in a straight line along the outer circumference of the body. For this reason, for example, when the front spike pin gets stuck in a small pothole on the road surface and slips against the road surface,
The next spike pin may also get stuck in the recess and slip against the road surface.The same goes for the next spike pin.Therefore, there was a problem that it could not effectively prevent slipping. .

Purpose of the Invention Accordingly, the present invention provides a tire anti-slip device having an annular main body, a plurality of spike pins, and an annular expansion tube previously proposed by the applicant. This was done to ensure that the next spike pin digs into the road surface and prevents slipping.

Structure of the Invention The present invention is characterized in that the spike pins are arranged in a staggered manner along the outer circumferential surface of the main body instead of arranging them in a straight line along the outer circumferential surface of the main body.

Description of examples The present invention will be described in detail below.

In FIG. 1, the device has an annular body (1). The main body (1) is located concentrically with the rim (R) of the tire (T) and is fixed to the rim (R) of the tire (T). The main body (1) and the rim (R> of the tire (T) may be integrated. In this embodiment, the rim (R) and the brake drum (
D) is fixed to the axle (A), and the main body (1) is fixed to the tire (T
) is placed inside. Furthermore, as shown in Fig. 2, a ring-shaped main body mounting stay (S) is fitted into one end of the rim (R) and welded, and the main body (1) and the stay (S) are fixed with bolts. The main body (1) is removably attached. The main body (1) is made of reinforced plastic such as high molecular weight polyethylene and is lightweight.

Moreover, the main body (1)
There is no risk of rust.

Additionally, the device has a plurality of spike pins, e.g.
It has ~36 spike pins (2).

The spike pins (2) are arranged at equal angular intervals around the center of the body (1), extend in the radial direction of the body (1), and are arranged radially. Furthermore, Figures 3 and 4
As shown in the figure, the same number of holes (3) as spike pins (2)
are formed in the body (1), and the spike pins (2) are each inserted into a hole (3) in the body (1). Each spike pin (2) is then guided by the hole (3) and can move in the radial direction of the body (1) and slide between an advanced position and a retracted position. The spike pin (2) has a flat or conical outer end (2a). Then, when the spike pin 2) slides to the forward position, its outer end (2a) is connected to the outer peripheral surface (T) of the tire (T).
protrudes outward from o). When the spike pin (2) slides to the reverse position, its outer end (2a) is attached to the tire (T
) and is housed in the main body (1).

By the way, in the tire slip prevention device previously proposed by the applicant, each spike pin (2) is provided in a single cross section of the main body (1), and is arranged in a straight line along the outer peripheral surface of the main body (1). As mentioned above, the data were arranged in On the other hand, in the case of this device, the hole (3) of the body (1) is not located in a single cross section of the body (1), but rather in a pair of cross sections (C1
), (C2), and are formed in a staggered manner along the outer peripheral surface of the main body (1). And each spike pin (
2) are respectively inserted into their holes (3). Therefore, each spike pin (2) is provided in a pair of cross sections (C1>, (C2)) of the main body (1) and arranged in a staggered manner along the outer peripheral surface of the main body (1). Furthermore, in this embodiment, each cross section (C
In I) and (C2), the holes (3) are inclined at a constant angle (α) in opposite directions, and each spike pin (
2) slides to the forward position and its outer end (2a) protrudes outward beyond the outer peripheral surface of the tire (T), 1 and its spike pins (2) in each cross section (C1) and (C2)
) are inclined at a certain angle (α>) in the direction of moving away from each other and protrude.

Furthermore, the body (1) has the same number of springs (4) as spike pins (2). The spring (4) is for elastically biasing each spike pin (2), the spike pin (2) has a flange-like inner end (2b), and the spring (4) is for elastically biasing each spike pin (2). Inner end (2b) and main body (1
), and the spike pins (2) are each elastically held in the retracted position.

Furthermore, an annular expansion tube (5) is built into the main body (1), and the expansion tube (5) is located between the main body (1>) and faces the inner end (2b) of each spike pin (2). ing.

Furthermore, in this embodiment, the tire (T) is connected to the inflation tube (5) via a solenoid valve. Further, a radio wave or infrared transmitter is attached to the fender of the tire (T) and connected to an operating switch on the driver's seat. Then, the receiver is placed at the center of the main body (1),
It is fixed and connected to a solenoid valve, which can be operated by a transmitter and a receiver.

In the device configured as described above, when the road surface is frozen, when the operating switch on the driver's seat is operated, radio waves or infrared rays are transmitted from the transmitter, received by the receiver, and sent to the expansion tube (5). solenoid valve is switched. Therefore, air from the tire (T) passes through the solenoid valve and is supplied to the expansion tube (5). Therefore, the inflation tube 5) is inflated by the air in the tire (T). Therefore, each spike pin (2) is pushed out by the inflation tube (5), and the spike pin (2) is pushed out from the body (
Slide along the hole (3) in 1). As a result, the outer end (2a) of each spike pin (2) protrudes outward beyond the outer peripheral surface (TO) of the tire (T). Furthermore, the air in the inflation tube (5) acts on each spike pin (2), and the spike pin (2) is held elastically in its protruding position. Therefore, even if the road surface is frozen, the outer ends (2a) of each spike pin can bite into the road surface and prevent the tire (T) from slipping.

Furthermore, in the case of this device, each spike pin (2) is provided in a pair of cross sections (C1) and (C2) of the main body (1), and arranged in a staggered manner along the outer peripheral surface of the main body (1). What is being done is as mentioned above. Moreover, each cross section (C1
), (C2), the spike pins (2) are tilted at a certain angle α) in the direction away from each other and protrude. Thus, for example, in one cross-section (C1), the front spike pin (2) gets stuck in a small depression in the road surface;
Even if it slips on the road surface, the next spike pin (2) is provided not in the cross section (C1) but in the cross section (C2), so it will not get stuck in a pothole and will not slip on the road surface. Therefore, even if the previous spike pin (2) slips on the road surface, the next spike pin (2) bites into the road surface, and the tire (T) can be reliably prevented from slipping.

Afterwards, when the road surface has returned to normal conditions, when the switch on the driver's seat is operated, the transmitter and receiver switch the solenoid valve of the expansion tube (5), and the air in the expansion tube (5) is released into the atmosphere. Ru. Inflation tube (5)
will shrink accordingly.

Therefore, each spike pin (2) is pushed in by the spring (4) and its outer end (2a) is attached to the tire (T).
The main body (1) is pushed inward from the outer peripheral surface (To) of the main body (1).
contained within.

Note that various modifications can be made to this invention. For example, instead of the solenoid valve of the expansion tube (5), a manual valve may be used and the valve may be operated manually. Furthermore, the main body (1), spike pin (2), spring (4)
And the inflation tube (5) may be arranged outside the tire (T) instead of inside the tire (T). In addition, in the case of a double tire truck, the main body (1>, spike pin 2), spring (4) and expansion tube (5)
may be placed between the tires (T). Furthermore, a near compressor is specially provided, and the near compressor is connected to the expansion tube (5) via a solenoid valve or a manual valve so that the expansion tube (5) is inflated by the near compressor. You can.

DETAILED DESCRIPTION OF THE INVENTION According to the present invention, the outer end (2a) of each spike pin (2) digs into the road surface and prevents the tire (T) from sliding without using a chain and a spiked tire. It can be stopped.

Furthermore, even if the previous spike pin (2) fits into a small depression on the road surface and slips against the road surface, the next spike pin (2) will not fit into the depression and will not slip. > bites into the road surface,
It can reliably prevent slipping and achieve the intended purpose.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing an embodiment of the invention, and FIG.
The end view of the rim and body mounting stay shown in the figure, Figure 3 is the end view of the rim and body mounting stay.
FIG. 4 is a side view of the main body of FIG. 3, and FIG. 4 is an end view of the main body of FIG. (1)・・・・・・・・・・・・・・・・・・・・・
・・Body (2)・・・・・・・・・・・・・・・・・・
・・・・・・Spike pin (3)・・・・・・・・・・・・
・・・・・・・・・・・・・・・Hole (4)・・・・・・
・・・・・・・・・・・・・・・Spring (5)
・・・・・・・・・・・・・・・・・・・・・・・・・Inflating tube (T)・・・・・・・・・・・・・・・・・・・
・・・・・・・Tire patent Applicant: Sanko Auto Co., Ltd. Agent: Kenbu Arata (1 other person) Amended drawing procedure amendment dated June 27, 1985, Title of invention: Vehicle tire slipping Relationship between the stopping device and the person making the amendment Case Name of patent applicant: Sanko Auto Co., Ltd., representative
Person responsible, number of inventions increased by amendment, subject of amendment Drawings, all drawings, contents of amendment (1) Engraving of drawings. (no change in content), list of attached documents

Claims (1)

[Claims] The annular body is located concentrically with the rim of the tire, and the body is fixed to the rim, or the body and the rim are integrated, and a plurality of spike pins are arranged radially around the center of the body. , each of the spike pins is inserted into a hole formed in the main body, and the hole allows each of the spike pins to be placed in a protruding position such that the outer end of the spike pin protrudes outward beyond the outer peripheral surface of the tire; slidingly guided between the retracted positions that are retracted inward from the outer peripheral surface of the
In the apparatus, an annular expansion tube built into the main body is arranged to face an inner end of each of the spike pins, and each of the spike pins is caused to project to the protruding position by the expansion tube. A vehicle tire anti-slip device characterized by being arranged in a staggered manner along the outer circumferential surface.