JPH0554002U - Tire chain stopper - Google Patents

Abstract

(57) [Summary] [Purpose] No complicated operation is required, and anyone can perform attachment / detachment operation with one touch, and it can be performed extremely easily and quickly. It also enhances reliability and safety. [Structure] One end 2p and the other end 2q of the tire chain 2 are attached and detached. The support plate portion 3s is formed by the support body portion 3 integrally including the pair of support plate portions 3s and 3t and the hook portion 3h connecting the one end 2p of the tire chain 2 and the guide holes 4s provided in the support plate portion 3s. ... is supported slidably in the direction perpendicular to the support plate portion 3
The engaging body portion 5 integrally including a pair of spaced apart engaging rod portions 5s that can be bridged between s and 3t and the engaging body portion 5 is inserted between the supporting plate portions 3s and 3t. A spring 6 that urges in a direction to perform is provided.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a tire chain stopper for attaching and detaching one end and the other end of a tire chain.

[0002]

[Prior art and problems]

 A conventional stopper for a tire chain is shown in FIG. The stopper 30 shown in the figure comprises a rotatable hook 32 provided on a chain ring portion 31x at one end of a tire chain 31 and a slidable stopper 33. When the tire chain 31 is mounted on a tire, the hook 32 is provided. Is inserted into the chain ring portion 31y at the other end of the tire chain 31 and is folded back to hook the chain ring portion 31y on the hook 32, and the stopper 33 is slid and locked to the hook 32. The tire chain 31 can be connected to the other end by the stopper 30.

However, the conventional stopper 30 has the following problems.

First, when actually used, the attaching and detaching procedure becomes complicated, and it is often confusing for women and elderly people how to operate. In particular, tire chains are used only a few times throughout the year, and even if we learn how to put them on and take them off, we often forget.

Secondly, since it is necessary to rotate the hook 32 and further slide the stopper 33 while keeping the hook 32 at a specific position, the attaching / detaching operation becomes extremely troublesome. Is a big neck because it is necessary to operate the stopper 30 located below the vehicle body.

Thirdly, since the stopper 33 is engaged with the hook 32 by a simple slide, the stopper 33 is dislocated during traveling and is disengaged from the hook 32, and the tire chain is easily disengaged from the tire. There is also a drawback in safety.

The present invention solves the problems existing in the prior art, and since no complicated operation is required at all, anyone can perform attachment / detachment operation with one touch, and it is extremely easy and It is an object of the present invention to provide a stopper for a tire chain that can be quickly carried out and has high reliability and safety.

[0008]

[Means for Solving the Problems]

 In the present invention, when constructing the stopper 1 of the tire chain for attaching and detaching the one end 2p and the other end 2q of the tire chain 2, in particular, a pair of spaced support plate portions 3s, 3t and one end 2p of the tire chain 2 are attached. It is slidably supported in a direction perpendicular to the support plate portion 3s, by a support body portion 3 integrally having a hook portion 3h to be coupled, and guide holes 4s, 4t, 4n provided in the support plate portions 3s, 3t. Further, the engaging body portion 5 integrally having a pair of spaced apart engaging rod portions 5s and 5t that can be bridged between the supporting plate portions 3s and 3t, and the engaging rod portion 5s and 5t are supported by the engaging rod portion 5s and 5t. It is characterized in that it is provided with a spring 6 for urging in the direction of insertion between the plate portions 3s and 3t.

In this case, the spring 6 is attached to one engagement rod portion 5t between the support plate portions 3s and 3t, and a spring case 7 for covering the spring 6 is provided between the support plate portions 3s and 3t. You can

[0010]

[Action]

 According to the stopper 1 for a tire chain according to the present invention, one end 2p of the tire chain 2 is previously coupled to the hook portion 3h of the support body portion 3. A pair of support plate portions 3s, 3t are integrally provided at both ends of the hook portion 3h, and a pair of engagement rod portions 5s of the engagement body portion 5 are provided in the guide holes 4s provided in the support plate portions 3s, 3t. By inserting 5t, the engaging rod portions 5s and 5t are slidably supported in the direction perpendicular to the support plate portions 3s. On the other hand, since the engagement body portion 5 is biased by the spring 6 in the direction in which the engagement rod portions 5s and 5t are inserted between the support plate portions 3s and 3t, in the natural state, the spring 6 causes the pair of engagement rod portions 5s to be inserted. 5t is bridged between the support plate portions 3s and 3t.

Accordingly, the engaging body 5 is held by hand, and the engaging rods 5s and 5t are pulled out from between the support plate 3s and 3t against the elasticity (biasing force) of the spring 6. The other end 2q of the tire chain 2 can be inserted between the support plate portions 3s and 3t by moving the engaging body portion 5 away from the support plate portions 3s and 3t. By the elasticity, the engagement rod portion 5s is inserted into the chain wheel portion 2y at the other end 2q of the tire chain 2. That is, the other end 2q of the tire chain 2 is locked to the engaging rod portion 5s, and the one end 2p and the other end 2q of the tire chain 2 are connected by the stopper 1.

If the spring 6 is attached to one engagement rod portion 5t between the support plate portions 3s and 3t, the spring 6 is protected from the outside by the support plate portions 3s and 3t and is covered by the spring case 7. This protects it from snow and water (freezing).

[0013]

【Example】

 Next, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

First, a structure of a stopper 1 for a tire chain according to the present invention will be described with reference to FIG.

In the figure, a stopper indicated by reference numeral 1 has a support body portion 3 formed by bending an elongated plate material into a substantially U shape. The support body portion 3 is composed of a pair of opposing support plate portions 3s and 3t and a hook portion 3h located between the support plate portions 3s and 3t. The hook portion 3h includes a chain at one end 2p of the tire chain 2. Join the limbs 2x.

Further, the support plate portion 3s is provided with a pair of guide holes 4s and 4t at spaced positions, and a guide hole 4n is provided in the other support plate portion 3t facing the guide hole 4s on the tip side. The lengths of the guide holes 4s and 4t are made relatively long by forming a part of the support plate portion 3s thickly so that the engaging rod portions 5s and 5t described later can be smoothly guided in the straight traveling direction. To consider.

On the other hand, the support plate portion 3s slidably supports the engagement body portion 5. The engaging body portion 5 is formed by bending an elongated rod material into a substantially U shape. The engaging body portion 5 is composed of a pair of opposed engaging rod portions 5s and 5t and an operating portion 5m located between the engaging rod portions 5s and 5t, and the engaging rod portions 5s and 5t are connected to the guide holes. Insert 4s and 4t from the outside. The tip of the engaging rod portion 5t located on the hook portion 3h side is formed to have a large diameter to form a stopper portion 5v, and the engaging rod portion 5t between the stopper portion 5v and the supporting plate portion 3s is provided with a spring 6a. Install by compressing. Further, a spring case 7 for covering the spring 6 is provided between the support plate portions 3s and 3t. As a result, the inside of the spring case 7 is sealed. From the viewpoint of preventing freezing, it is desirable to improve the waterproofness in consideration of the sealing of the guide hole 4t so that water does not enter the inside of the spring case 7. In addition, the spring case 7 may contain oil.

Next, a method of using the stopper 1 of the tire chain will be described with reference to FIGS. 1 and 2.

First, by holding the operation portion 5m of the engagement body portion 5 by hand and pulling the operation portion 5m against the elasticity of the spring 6, the engagement rod portions 5s and 5t move and the support play is performed as shown in FIG. It is removed from between the toe portions 3s and 3t.

As a result, the chain ring portion 3y of the other end 2q of the tire chain 2 can be inserted between the support plate portions 3s and 3t. Therefore, if the engaging body portion 5 is released in the inserted state, the engaging body portion 5 will be sprinkled. Of the engaging rod portion 5s is inserted into the chain ring portion 2y as shown in FIG. At this time, a part of the tip of the engaging rod portion 5s enters the inside of the guide hole 4n. Therefore, the chain wheel portion 2y is locked to the engaging rod portion 5s, and one end 2p and the other end 2q of the tire chain 2 are connected by the stopper 1. At this time, since the engagement rod portion 5s is biased by the spring 6, the chain wheel portion 2y does not come off from the engagement rod portion 5s. When the chain wheel portion 2y is to be disengaged from the engagement rod portion 5s, it suffices to hold the operation portion 5m of the engagement body portion 5 by hand and pull it.

As described above, the attachment / detachment operation can be performed with one touch, and a complicated operation procedure is not required at all. Particularly, it is not necessary to learn the attachment / detachment procedure, and it can be performed extremely easily and quickly by a woman and an elderly person. it can.

Although the embodiments have been described in detail above, the present invention is not limited to such embodiments, and the details of the configuration, shape, etc. can be arbitrarily changed without departing from the scope of the present invention. Can be changed.

[0023]

[Effect of the device]

 As described above, the stopper of the tire chain according to the present invention includes a pair of support plate portions that are separated from each other and a support portion that integrally has a hook portion that connects one end of the tire chain, and a guide provided on the support plate portion. Engage the engaging body with an engaging body that integrally supports a pair of spaced apart engaging rods that are slidably supported by the holes in the direction perpendicular to the supporting plate and that can be bridged between the supporting plates. Since the rod portion is provided with a spring that urges it between the supporting plate portions, it has the following remarkable effects.

No complicated operation is required, and the attachment / detachment operation can be performed extremely easily and quickly. In particular, anyone, including women and the elderly, can put on and take off with just one touch, and the double chain can be easily and safely put on and taken off from the double tires of large vehicles.

[0025] It is possible to surely prevent the harmful effects such as the chain coming off during traveling, to provide a highly reliable tire chain, and to make a great contribution to the spread of the chain and the improvement of road traffic safety.

[Brief description of drawings]

FIG. 1 is a partial sectional side view showing a state in which a stopper of a tire chain according to the present invention is mounted,

FIG. 2 is a partial cross-sectional side view showing a state when the stopper is attached,

FIG. 3 is a side view showing a state in which a stopper for a tire chain according to a conventional technique is mounted;

[Explanation of symbols]

 1 Stopper 2 Tire chain 2p One end of tire chain 2q Other end of tire chain 3 Support part 3s Support plate part 3t Support plate part 3h Hook part 4s Guide hole 4t Guide hole 4n Guide hole 5 Engagement part 5s Engagement rod part 5t Engagement rod part 6 Spring 7 Spring case

Claims (3)

[Scope of utility model registration request] 1. A stopper for a tire chain for attaching and detaching one end and the other end of a tire chain, wherein a support body portion integrally having a pair of spaced support plate portions and a hook portion coupling one end of the tire chain, An engagement body portion integrally supported by a guide hole provided in the support plate portion so as to be slidable in a direction perpendicular to the support plate portion, and integrally having a pair of spaced apart engagement rod portions that can be bridged between the support plate portions, A stopper for a tire chain, comprising a spring for urging the united portion in a direction in which the engagement rod portion is inserted between the support plate portions. 2. The stopper for a tire chain according to claim 1, wherein the spring is mounted on one of the engagement rod portions between the support plate portions. 3. The stopper for a tire chain according to claim 2, further comprising a spring case that covers the spring between the support plate portions.