JP5390556B2 - Tire anti-slip device - Google Patents

Description

  The present invention relates to an anti-slip device mounted on a tire of an automobile.

  The anti-slip device for a tire exemplified in Patent Documents 1 to 3 fits an anti-slip body having a U-shaped cross section into an automobile tire. Several anti-slip bodies are arranged at almost equal intervals on the entire circumference of the tire, and the adjacent ones are connected. Several anti-slip bodies are attached to the tire in a circle. When the anti-slip device is removed from the tire, the anti-slip bodies are separated from each other and the anti-slip body is removed from the tire.

  The anti-slip body includes a U-shaped member on the front side and a U-shaped member on the rear side in the tire rotation direction when the vehicle moves forward, and an inner linear member along the inner side surface of the tire. Each of the U-shaped members on the front side and the rear side has a transverse portion that crosses the ground contact surface of the tire, an outer portion that follows the outer surface of the tire, and an inner portion that extends along the inner surface of the tire. The inner linear member connects the inner portions of the front U-shaped member and the rear U-shaped member.

  The outer part of the anti-slip body has a connector attached to each of the front side and the rear side in the circumferential direction of the tire. When connecting the anti-slip bodies arranged in the circumferential direction of the tire, the connection tool on the rear side of the anti-slip body and the connection tool on the front side of the rear non-slip object are connected in a separable manner.

Japanese Patent No. 3557464 Japanese Patent No. 37187979 JP 2007-290627 A

1. [Problem] It is desired that the anti-slip device for a tire as described above is easy to connect when connecting anti-slip bodies arranged in the circumferential direction of the tire. The separation work is the same. The connector facilitates the connection / separation operation.
Moreover, it is necessary that the connector is not separated while the automobile is running. A structure that does not separate due to centrifugal force caused by tire rotation.
In addition, the outer diameter of an automobile tire decreases with use, and increases with replacement with a new one. The anti-slip device can be used even if the outer diameter of the tire changes.

2. Idea
2.1 The coupler shall be a rod and hole insertion type.
The connecting tool is a connecting tool with a rod and a connecting tool with a hole, and the connecting rod of the connecting tool with a rod is inserted into the connecting hole of the connecting tool with a hole.
A connecting tool with a rod attaches an attachment end to one of the front side and the rear side of the outer portion of the anti-slip body. A connecting tool with a hole attaches an attachment end to the other of the front side and the rear side of the outer part of the anti-slip body.
The connecting tool with a rod is provided with a connecting rod at the tip end portion, and the connecting rod is arranged along the axial direction of the tire. A connecting tool with a hole is provided with a connecting hole in a tip side portion and opens the connecting hole along the axial direction of the tire.
The connector with a hole makes it possible to move the tip end side portion in a substantially axial direction of the tire. Make a movable connector. The connecting tool with the rod makes the tip side portion immovable in the axial direction of the tire. Use a stationary connector.
The tip side portion of the connector with a rod is arranged between the outer side surface of the tire and the tip side portion of the connector with hole, and during the connecting operation to move the tip side portion of the connector with hole to the outer surface side of the tire. The connecting rod is inserted into the connecting hole. The connecting rod is configured to be pulled out from the connecting hole during the separation operation in which the tip side portion of the connecting tool with the hole is moved to the side opposite to the outer side surface of the tire.
An elastic member is provided for applying a force to move the tip side portion of the holed connector to the outer surface side of the tire.

When connecting the connecting tool with a rod and the connecting tool with a hole, the tip side portion of the connecting tool with a hole is moved against the outer surface of the tire against the elastic member. Evacuate. The tip side portion of the connector with a rod is disposed between the tip side portion of the connector with a hole in the retracted state and the outer surface of the tire. Next, the tip side portion of the connector with holes moves from the retracted position to the outer surface side of the tire by the elastic force of the elastic member. Then, the connecting rod of the connecting tool with the rod is inserted into the connecting hole of the connecting tool with the hole. The connecting rod gets caught in the connecting hole. The connecting tool with the rod and the connecting tool with the hole are connected.
When separating the connector with a rod and the connector with a hole, the tip side portion of the connector with a hole is moved to the side opposite to the outer surface of the tire against the elastic member. Then, the connecting rod of the connector with a rod comes out from the connecting hole of the connector with a hole. The connecting tool with a rod and the connecting tool with a hole are separated.

The connection / separation operation of the connector is performed by moving the tip side portion of the connector with a hole to the outer surface side of the tire or to the opposite side thereof. It does not take much time. Easy.
Further, the separating operation of the coupler is performed by moving the tip side portion of the coupler with a hole substantially in the axial direction of the tire. Centrifugal force due to the rotation of the tire acts in the radial direction of the tire and does not act in the axial direction of the tire. The coupler is difficult to separate by centrifugal force due to rotation of the tire. The coupler is difficult to separate while the automobile is running.

2.2 The coupling shall be adjustable in the coupling length.
A connecting device with a rod is arranged at equal intervals or unequal intervals along the front-rear direction with a plurality of connecting rods. When the connecting rod on the attachment end side of the connecting member with a rod among the plurality of connecting rods is inserted into the connecting hole of the connecting device with a hole, the connecting length of the connecting device with the rod and the connecting device with the hole is shortened. When the connecting rod on the distal end side of the connecting tool with the rod is inserted into the connecting hole of the connecting tool with the hole, the connecting length between the connecting tool with the rod and the connecting tool with the hole becomes longer. By selecting a connecting rod to be inserted into the connecting hole from a plurality of connecting rods, the connecting length of the connecting tool with the rod and the connecting tool with the hole, and the interval between the non-slip bodies are adjusted.
A connecting rod to be inserted into the connecting hole is selected in accordance with the outer diameter or outer peripheral length of the tire. The anti-slip device can be used even if the outer diameter of the tire changes.

2.3 For couplings, switch between movable and stationary couplings.
In the concept example in 2.1 above, the connector with a hole is a movable connector, and the connector with a rod is an immovable connector. Reverse this. The connecting device with the rod is a movable connecting device, and the tip side portion can be moved substantially in the axial direction of the tire. The holed connector is a non-moving connector, and the tip end portion cannot be moved in the axial direction of the tire.

2.4 For couplings, select coupling holes to adjust the coupling length.
In the concept example in 2.2 above, there are a plurality of connecting rods, the connecting rod is selected, and the connecting length of the connecting device with the rod and the connecting device with the hole is adjusted. Instead, a plurality of connection holes are selected, the connection holes are selected, and the connection lengths of the connection tool with the rod and the connection tool with the hole are adjusted.

2.5 When connecting, the connector shall have multiple pairs of connecting holes and connecting rods inserted into it.
A connecting tool with a rod includes a plurality of connecting rods. The connecting tool with holes also has a plurality of connecting holes. At the time of connection, a plurality of pairs of connection holes and connection rods inserted into and hooked on the connection holes are provided.

1. Anti-slip bodies are fitted into the tires of an automobile and several pieces are arranged at almost equal intervals on the entire circumference of the tire, and each anti-slip body is connected to the next anti-slip body,
The anti-slip body includes a U-shaped member on the front side and a U-shaped member on the rear side in the tire rotation direction when the vehicle moves forward, and an inner linear member along the inner side surface of the tire,
Front U-shaped member and the rear side of the U-shaped member has transverse section across the ground surface of the tire, and an outer portion along the outer surface of the tire, the inner portion along the inner surface of the tire, the front U-shaped A portion where the end side of the inner part of the member is folded back and disposed in the circumferential direction of the tire, and a portion of the inner side part of the rear U-shaped member is folded forward and disposed in the circumferential direction of the tire; Are connected by an inner linear member,
The outer side of the anti-slip body is bent at the front side of the outer part of the U-shaped member on the front side and the end side of the outer part of the U-shaped member on the rear side is bent to the front side. The connecting tool is attached to the rear side of the portion that is bent in the circumferential direction and arranged in the circumferential direction of the tire, and the connecting tool on the rear side of the non-slip body and the connecting tool on the front side of the rear non-slip body are separably connected. In the anti-slip device configured,
The connector is a connector with a rod and a connector with a hole,
The connecting tool with a rod attaches the mounting end to one of the front side and the rear side of the outer part of the non-slip body, and the connecting tool with a hole attaches the mounting end to the other of the front side and the rear side of the non-slip body,
The connecting tool with a rod is provided with a connecting rod at the tip side portion, the connecting rod is arranged along the axial direction of the tire, and the connecting tool with a hole is provided with a connecting hole at the tip side portion, and the connecting hole is connected to the tire shaft. Open along the direction of the heart,
One of the connector with a rod and the connector with a hole makes the tip side portion movable in the axial direction of the tire to be a movable connector, and the other of the connector with a rod and the connector with a hole has a tip side portion. Make it immovable in the axial direction of the tire,
An elastic member is provided to give a force to move the distal end portion of the movable connector to the outer surface side of the tire,
When connecting the connecting tool with a rod and the connecting tool with a hole, the distal end portion of the movable connecting device is moved to the opposite side of the outer surface of the tire against the elastic member and retracted. The distal end portion of the stationary connector is disposed between the outer surface of the tire, the distal end portion of the movable connector is moved to the outer surface of the tire by the elastic force of the elastic member, and the connecting rod is inserted into the connecting hole. To the configuration,
When separating the coupler with a hole and the coupler with a hole, the tip side portion of the movable coupler is moved to the opposite side of the outer surface of the tire against the elastic member, and the coupling rod is pulled out from the coupling hole. A tire anti-slip device characterized by the above.
2. In the tire anti-slip device,
A connecting tool with a rod is a connecting rod or a connecting tool with a hole is provided with a plurality of connecting holes and arranged at intervals along the front-rear direction.
By selecting the connecting rod to be inserted into the connecting hole or the connecting hole into which the connecting rod is inserted, the connecting length between the connecting device with the rod and the connecting device with the hole is adjusted.
3. In the tire anti-slip device,
A connecting tool with a rod has a plurality of connecting rods, and a connecting device with a hole has a plurality of connecting holes. It is characterized in that it is configured to have a plurality.

The coupling tool is easily coupled and separated. Further, it is difficult to separate by centrifugal force due to rotation of the tire.
The tire slip prevention device can be used even if the outer diameter of the tire changes.

The front view of the tire mounting state of the anti-slip | skid apparatus of the tire in the 1st example of embodiment of this invention. The enlarged front view of the 1st non-slip body in FIG. The enlarged plan view of the 1st non-slip body. FIG. 3 is an enlarged sectional view taken along line AA in FIG. 2. The enlarged front view of the connection part of the 1st non-slip body and 2nd anti-slip body in FIG. The enlarged plan view of the connection part. It is a figure which shows the state which the front end side part of the connector with a hole of the connector of the connection part moved to the opposite side to the tire outer surface, and is a top view similar to FIG. FIG. 8 is a plan view similar to FIG. 7, illustrating a state in which the hole-connected connector tip side portion of the connector moves to the opposite side of the tire outer surface and the hole-connected connector and the rod-connected connector are separated. The front view of the connection part of the anti-slip | skid apparatus in the 2nd example of embodiment. The top view of the connection part. The front view of the connection part of the anti-slip | skid apparatus in the 3rd example of embodiment. The top view of the connection part. The front view of the connection part of the anti-slip | skid apparatus in the 4th example of embodiment. The top view of the connection part. It is a figure which shows the state which made the connection length of the connector of the connection part longer in FIG. 13, and is a front view similar to FIG.

[First example (see FIGS. 1 to 8)]
The tire anti-slip device of this example is shown in FIG. 1 as a front view of the tire mounted on the vehicle tire T viewed from the outside of the vehicle. This anti-slip device connects the first anti-slip body 1a, the second anti-slip body 1b, and the third anti-slip body 1c at equal intervals in the circumferential direction of the tire T. The three anti-slip bodies 1a to 1c and 1 have the same structure. The first anti-slip body 1a will be described.

  The first anti-slip bodies 1 and 1a are shown in an enlarged view in FIGS. FIG. 2 is a front view seen from the outside of the automobile. FIG. 3 is a plan view seen from above. 4 is an enlarged cross-sectional view taken along line AA in FIG.

  The first anti-slip body 1, 1 a includes a front U-shaped member 2, a rear U-shaped member 3, and an inner linear member 4. Here, the front side is the front side in the forward rotation direction of the tire T when the vehicle moves forward, as indicated by an arrow in FIG. 1, and the left side of the first anti-slip body 1a in FIGS. The rear side is the rear side in the forward rotation direction of the tire T, and the right side of the first anti-slip body 1a in FIGS. The inner side is an inner side of the automobile, that is, a side indicated by a broken line in FIG.

  As shown in FIGS. 1 to 3, the U-shaped members 2 and 3 on the front side and the rear side have a symmetrical structure and are curved into a U shape that fits a round bar on the outer peripheral side of the tire T. The U-shaped members 2 and 3 have transverse portions 2a and 3a that traverse the ground contact surface of the tire T, outer portions 2b and 3b that extend along the outer surface of the tire T, and inner portions 2c and 3c that extend along the inner surface of the tire T. doing. The U-shaped members 2 and 3 on the front side and the rear side are fitted to the tire T with a central angle of about 60 degrees.

  The front U-shaped member 2 has an outer portion 2b arranged in the radial direction of the tire T, and protrudes by bending an end portion of the outer portion 2b forward. The front protruding portion of the outer portion 2 b is disposed along the circumferential direction of the tire T. The front U-shaped member 2 has an inner portion 2c arranged in the radial direction of the tire T, and protrudes by bending an end portion of the inner portion 2c rearward. The rear protruding portion of the inner portion 2 c is disposed along the circumferential direction of the tire T.

  The rear U-shaped member 3 has an outer portion 3b arranged in the radial direction of the tire T, and protrudes by bending an end portion of the outer portion 3b rearward. The rear protruding portion of the outer portion 3 b is disposed along the circumferential direction of the tire T. Further, the rear U-shaped member 3 has an inner portion 3c arranged in the radial direction of the tire T, and protrudes by bending an end portion of the inner portion 3c forward. The front protruding portion of the inner portion 3 c is disposed along the circumferential direction of the tire T.

  The inner linear member 4 is chained. The chain 4 is formed in a string by connecting a plurality of plate-like links rotatably with pins. The leaf chain.

  The U-shaped member 2 on the front side is attached by fitting a cylindrical abutting member 6 to the front protruding portion of the outer portion 2b and the rear protruding portion of the inner portion 2c, as shown in FIGS. ing. Further, the rear U-shaped member 3 is fitted with a cylindrical abutting member 6 fitted and attached to the rear protruding portion of the outer portion 3b and the front protruding portion of the inner portion 3c. The tubular abutting members 6 are arranged along the circumferential direction of the tire T, respectively. The contact member 6 is made of an elastic material such as rubber and has a cylindrical shape. The outer peripheral surface of the outer contact member 6 is configured to contact the outer surface of the tire T. The outer peripheral surface of the inner contact member 6 is configured to contact the inner surface of the tire T. Further, the outer contact member 6 and the inner contact member 6 are configured to contact the inner peripheral side of the outer surface of the tire T and the inner peripheral side of the inner surface, respectively. The cylindrical abutting member 6 is rotatable around its axis.

  As shown in FIGS. 3 and 4, the inner linear member 4 has a front end attached to the end of the inner portion 2 c of the front U-shaped member 2 with a bolt 7 and a nut 8. Similarly to the front end, the rear end is attached to the end of the inner portion 3 c of the rear U-shaped member 3 with a bolt 7 and a nut 8. The bolt 7 is disposed along the axial direction of the tire T.

  The outer portion 2 b of the front U-shaped member 2 has a front connecting member 11 attached to the front end with a bolt 7 and a nut 8. The outer portion 3 b of the rear U-shaped member 3 has a rear connection member 12 attached to the rear end with a bolt 7 and a nut 8. The front and rear connecting members 11 and 12 are rotatable around the bolt 7 along the axial direction of the tire T, respectively. The tire T is made non-rotatable around the radial direction. Moreover, it is set as the plate-like link of a chain | strand. The connecting member 11 on the front side has a connecting tool 21 with a hole attached to the front end. The connecting member 12 on the rear side has a connecting device 22 with a rod attached to the rear end. The connector 21 with a hole and the connector 22 with a rod are connectable and separable.

  The anti-slip body 1 has a U-shaped cross-section structure that fits into the tire T. The anti-slip body 1 having a U-shaped cross section constitutes a transverse portion that crosses the ground contact surface of the tire T by the transverse portions 2 a and 3 a of the U-shaped members 2 and 3 on the front side and the rear side. The outer portions 2b and 3b of the U-shaped members 2 and 3 on the front side and the rear side constitute an outer portion along the outer surface of the tire T. The inner portions 2 c and 3 c of the U-shaped members 2 and 3 on the front side and the rear side and the linear member 4 on the inner side constitute an inner portion along the inner surface of the tire T. The outer portion of the anti-slip body 1 is connected to the front and rear sides of the tire T in the circumferential direction via a front connection member 11 and a rear connection member 12, respectively, and a holed connection tool 21 and a rod connection tool 22. Is attached.

  There are three sets of the connector 21 with a hole and the connector 22 with a rod for connecting the three anti-slip bodies 1a to 1c. The three sets of connectors 21 and 22 have the same structure. 5 and 6 show the connecting portions of the first anti-slip body 1a and the second anti-slip body 1b in FIG. 1 arranged horizontally. The connector 21 with a hole and the connector 22 with a rod of the connection part are demonstrated with reference to FIGS.

  The connector 21 with a hole is attached to a mounting piece 25 that constitutes an attachment end, and a tip side member 26 that constitutes a tip side portion is rotatably attached around the radial direction of the tire T by a shaft 27. The holed connector 21 is configured to be a movable connector by allowing the tip side portion to move substantially in the axial direction of the tire T.

  The mounting piece 25 has a rear end mounting end attached to the front end of the front connecting member 11 with a pin 28. The pin 28 is disposed along the axial direction of the tire T. The attachment piece 25 is rotatable around the axial direction of the tire T. The tire T is made non-rotatable around the radial direction. The distal end side member 26 bends the belt-like plate into a U shape, and the mounting piece 25 is disposed between both ends of the U shape. The shaft 27 passes through both end portions of the distal end side member 26 and the attachment piece 25 and is disposed along the radial direction of the tire T. The distal end side member 26 is rotatable around the shaft 27 and around the radial direction of the tire T. The distal end side member 26 has a U-shaped inner distal end side as a connection hole 29. The connection hole 29 is opened along the axial direction of the tire T.

  The holed connector 21 is provided with an elastic member 30 that gives a force to move the tip side portion toward the outer surface of the tire T. The elastic member 30 is a spring wire. The spring wire 30 has a central portion arranged on the front side surface of the mounting piece 25 and the surface opposite to the outer surface of the tire T in parallel with the shaft 27. Both end portions of the spring wire 30 are wound around both end portions of the shaft 27 and hooked to the front side surface of the both end portions of the tip end side member 26 and the surface opposite to the outer surface of the tire T.

  The connecting tool 22 with the rod fixes the connecting rod 32 to the belt-like plate 31. The belt-like plate 31 has a front end attachment end attached to the rear end of the rear connecting member 12 with a pin 33. The pin 33 is disposed along the axial direction of the tire T. The belt-like plate 31 is rotatable around the axial direction of the tire T. The connecting tool 22 with a rod makes the belt-like plate 31 non-rotatable around the radial direction of the tire T and makes the tip side portion immovable in the axial center direction of the tire T to be a stationary connecting tool.

  The belt-like plate 31 has a connecting rod 32 protruding from the front side and the side opposite to the outer surface of the tire T at the tip side portion. The connecting rod 32 is disposed along the axial direction of the tire T. A plurality of the connecting rods 32 are arranged at equal intervals along the longitudinal direction and the front-rear direction of the belt-like plate 31.

  When connecting the connector 21 with a hole and the connector 22 with a rod, as shown in FIGS. 7 and 8, the distal end portion of the connector 21 with a hole is opposed to the outer surface of the tire T against the elastic member 30. Move to the side and save. As shown in FIG. 7, the tip side portion of the connector 22 with a rod is disposed between the tip side portion of the holed connector 21 in the retracted state and the outer surface of the tire T. Next, the distal end side portion 26 of the connector with holes moves from the retracted position to the outer surface side of the tire T by the elastic force of the elastic member 30. Then, as shown in FIG. 5 and FIG. 6, the connecting rod 32 of the connecting tool with the rod is inserted into the connecting hole 29 of the connecting tool with the hole and is caught. The connecting tool 21 with a hole and the connecting tool 22 with a rod are connected. When a plurality of connecting rods 32 are inserted into the connecting hole 29, the connecting rod 32 closest to the attachment end of the connecting device 22 with the rod is caught in the connecting hole 29.

  As shown in FIGS. 5 and 6, when inserting the connecting rod 32 of the connector with a rod into the connecting hole 29 of the connector with a hole, the connecting rod 32 at a position close to the mounting end of the connector 22 with the rod is connected to the connecting hole. If it inserts in 29 and is hooked, the connection length of the connector 21 with a hole and the connector 22 with a rod will become short. Conversely, when the connecting rod 32 at a position close to the tip of the connecting member 22 with the rod is inserted into the connecting hole 29 and hooked, the connecting length of the connecting device 21 with the hole and the connecting device 22 with the rod becomes longer. The connecting rod 32 inserted into the connecting hole 29 and hooked is selected according to the outer diameter or the outer peripheral length of the tire T.

  When separating the connector 21 with a hole and the connector 22 with a rod, the tip side portion of the connector 21 with a hole is moved to the side opposite to the outer surface of the tire T against the elastic member 30 as shown in FIG. To do. Then, the connecting rod 32 of the connecting tool with the rod comes out from the connecting hole 29 of the connecting device with the hole. The connector 21 with a hole and the connector 22 with a rod separate.

[Second example (see FIGS. 9 and 10)]
The tire anti-slip device of this example changes the structure of the connector 21 with a hole in the first example.
The connector 21 with a hole is formed as a distal end side member 36 having a structure in which the distal end side member 26 and the shaft 27 in the first example are integrated. As shown in FIGS. 9 and 10, the distal end side member 36 is composed of one round bar. The round bar is curved in a U shape, and both end portions of the U shape are bent inward to form a shaft 27 and inserted into the shaft hole of the mounting piece 25. The distal end side member 36 is attached to the attachment piece 25 so as to be rotatable around the shaft 27 and around the radial direction of the tire T.

The holed connector 21 is configured to be a movable connector by allowing the tip side portion to move substantially in the axial direction of the tire T. Moreover, the elastic member 30 which gives the force which moves a front end side part to the outer surface side of the tire T is attached similarly to in the 1st example. The round bar tip side member 36 has a U-shaped inner tip side as a connection hole 29. The connection hole 29 is opened along the axial direction of the tire T.
Other points are the same as in the first example. Parts similar to those in the first example are denoted by the same reference numerals as those in the first example.

[Third example (see FIGS. 11 and 12)]
In the tire anti-slip device of this example, the movable connector and the stationary connector of the connector in the first and second examples are changed.
In the second example, the connector 21 with a hole of the movable connector is a connector 41 with a rod of the movable connector. In the second example, the fixed connection tool 22 with the rod is a fixed connection tool 42 with a hole of the fixed connection tool.

  In the connecting connector 41 with a rod of the movable connecting device, the distal end side member 36 is attached to the attaching piece 25 so as to be rotatable around the radial direction of the tire T by the shaft 27. The tip side portion is movable in the axial direction of the tire T. The front end side member 36 has a connecting rod 32 protruding and fixed to the rear side and the outer surface side of the tire T at the front end side portion. The connecting rod 32 is disposed along the axial direction of the tire T. A plurality of the connecting rods 32 are arranged at equal intervals along the longitudinal direction and the front-rear direction of the distal end side member 36. An elastic member 30 that applies a force to move the tip side portion toward the outer surface side of the tire T is attached in the same manner as in the second example.

The rod-like coupling member 42 of the stationary coupling member passes through the coupling hole 29 in the axial direction of the tire T through the belt-like plate 31 that cannot rotate around the radial direction of the tire T. The connecting hole 29 is elongated along the longitudinal direction and the front-rear direction of the belt-like plate 31.
Other points are the same as in the second example. Parts similar to those in the second example are denoted by the same reference numerals as those in the second example.

[Fourth example (see FIGS. 13 to 15)]
The anti-slip device for a tire of this example has a plurality of pairs of connecting holes when connecting the connecting tools in the first example and connecting rods inserted into and hooked to the connecting holes.
In the first example, the holed connector 21 of the movable connector has a U-shaped cross-sectional shape at the distal end side portion of the distal end side member 46 that can move substantially in the axial direction of the tire T. The tip side portion of the tip side member 46 passes through the connecting hole 47 along the axial direction of the tire T. A plurality of the connecting holes 47 are arranged at equal intervals along the longitudinal direction and the front-rear direction of the distal end side member 46.

In the first example, the connecting tool 22 with the rod of the stationary connecting tool has a connecting bar 32 on the front side of the tire T along the axial direction of the tire T, the tire T It protrudes and is fixed to the opposite side of the outer surface. A plurality of connecting rods 32 are arranged at equal intervals along the longitudinal direction and the front-rear direction of the belt-like plate 31.
The connecting holes 47 and the connecting rods 32 have the same number and arrangement pitch.

When the connecting rod 32 at the position closest to the attachment end of the connecting tool 22 with the rod is inserted and hooked into the connecting hole 47 at the position closest to the tip of the connecting tool 21 with the hole, as shown in FIGS. The connecting rods 32 are inserted and caught in all the connecting holes 47, respectively.
When the connecting rod 32 at the second closest position is inserted into the attachment end of the connecting device 22 with the rod and hooked into the connecting hole 47 at the position closest to the tip of the connecting device 21 with the hole, as shown in FIG. The connecting rods 32 are respectively inserted into the connecting holes 47 other than the connecting holes 47 closest to the attachment end of the attached connector 21 and hooked.

  When there are a plurality of pairs of the connecting hole 47 and the connecting rod 32 to be inserted and hooked into the connecting hole 47, the connecting member 21 with a hole and the connecting member 22 with a rod are strongly connected. In addition, at the time of connection, the connecting hole 47 and the connecting rod 32 inserted into and hooked on the connecting hole 47 are not bent and maintained linear.

[Modification]
In the above-described embodiment, the movable couplers 21 and 41 are connected to the outer side part 2b of the front U-shaped member 2 or the outer side part 3b of the rear U-shaped member 3 to the front side connecting member 11 or the rear side connecting member 12. However, the connecting member 11 on the front side or the connecting member 12 on the rear side is eliminated and attached directly.
Further, the immovable couplers 22 and 42 are attached to the outer portion 3b of the rear U-shaped member 3 or the outer portion 2b of the front U-shaped member 2 via the rear coupling member 12 or the front coupling member 11. However, the connecting member 12 on the rear side or the connecting member 11 on the front side is eliminated and directly attached.

  The anti-slip device for a tire according to the present invention is used in various automobiles such as small, medium and large passenger cars and trucks.

T Car tire 1, 1a to 1c Non-slip body 1a First anti-slip body 1b Second anti-slip body 1c Third anti-slip body 2 U-shaped member 2a on the front side 2b Outer part 2c Inner part 3 Rear U Shape member 3a Crossing part 3b Outer part 3c Inner part 4 Inside linear member 2a, 3a Crossing part 2b, 3b of anti-slip body Outer part 2c, 3c of anti-slip body 6 Inner part 6 of anti-slip body Outer contact member, inner contact member 7 Bolt 8 Nut 11 Front side connection member 12 Rear side connection member 21, 22 Connection tool 21 Connector with hole, movable connection tool 22 Connection tool with rod, fixed connection tool 25 Mounting piece 26 Leading end member 27 Shaft 28 Pin 29 Connecting hole 30 Elastic member, spring wire 31 Strip plate 32 Connecting rod 33 Pin 36 Tip side member 41 Connecting tool with rod, movable connecting tool 42 Connecting tool with hole, fixed connecting tool 46 Tip side Element 7 connecting hole

Claims (3)

Anti-slip bodies are fitted into the tires of an automobile and several pieces are arranged at almost equal intervals on the entire circumference of the tire, and each anti-slip body is connected to the next anti-slip body,
The anti-slip body includes a U-shaped member on the front side and a U-shaped member on the rear side in the tire rotation direction when the vehicle moves forward, and an inner linear member along the inner side surface of the tire,
Front U-shaped member and the rear side of the U-shaped member has transverse section across the ground surface of the tire, and an outer portion along the outer surface of the tire, the inner portion along the inner surface of the tire, the front U-shaped A portion where the end side of the inner part of the member is folded back and disposed in the circumferential direction of the tire, and a portion of the inner side part of the rear U-shaped member is folded forward and disposed in the circumferential direction of the tire; Are connected by an inner linear member,
The outer side of the anti-slip body is bent at the front side of the outer part of the U-shaped member on the front side and the end side of the outer part of the U-shaped member on the rear side is bent to the front side. The connecting tool is attached to the rear side of the portion that is bent in the circumferential direction and arranged in the circumferential direction of the tire, and the connecting tool on the rear side of the non-slip body and the connecting tool on the front side of the rear non-slip body are separably connected. In the anti-slip device configured,
The connector is a connector with a rod and a connector with a hole,
The connecting tool with a rod attaches the mounting end to one of the front side and the rear side of the outer part of the non-slip body, and the connecting tool with a hole attaches the mounting end to the other of the front side and the rear side of the non-slip body,
The connecting tool with a rod is provided with a connecting rod at the tip side portion, the connecting rod is arranged along the axial direction of the tire, and the connecting tool with a hole is provided with a connecting hole at the tip side portion, and the connecting hole is connected to the tire shaft. Open along the direction of the heart,
One of the connector with a rod and the connector with a hole makes the tip side portion movable in the axial direction of the tire to be a movable connector, and the other of the connector with a rod and the connector with a hole has a tip side portion. Make it immovable in the axial direction of the tire,
An elastic member is provided to give a force to move the distal end portion of the movable connector to the outer surface side of the tire,
When connecting the connecting tool with a rod and the connecting tool with a hole, the distal end portion of the movable connecting device is moved to the opposite side of the outer surface of the tire against the elastic member and retracted. The distal end portion of the stationary connector is disposed between the outer surface of the tire, the distal end portion of the movable connector is moved to the outer surface of the tire by the elastic force of the elastic member, and the connecting rod is inserted into the connecting hole. To the configuration,
When separating the coupler with a hole and the coupler with a hole, the tip side portion of the movable coupler is moved to the opposite side of the outer surface of the tire against the elastic member, and the coupling rod is pulled out from the coupling hole. A tire anti-slip device characterized by the above. A connecting tool with a rod is a connecting rod or a connecting tool with a hole is provided with a plurality of connecting holes and arranged at intervals along the front-rear direction.
The connecting length between the connecting tool with the rod and the connecting tool with the hole is adjusted by selecting the connecting rod to be inserted into the connecting hole or the connecting hole into which the connecting rod is inserted. Tire anti-slip device.   A connecting tool with a rod has a plurality of connecting rods, a connecting tool with a hole has a plurality of connecting holes, and when connecting a connecting device with a rod and a connecting device with a hole, a pair of a connecting hole and a connecting rod that is inserted into and hooked to the connecting hole. The anti-slip device for a tire according to claim 1 or 2, wherein the tire is configured to be plural.

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