JP6232244B2 - Tire air filling safety fence - Google Patents

Description

  The present invention relates to a safety fence for tire air filling.

  A conventional safety fence for tire air filling is described in Patent Document 1, for example. In this prior art, a horizontal base plate extending in the longitudinal direction, a pair of side frames erected at a position biased to one side in the longitudinal direction of the base plate with an interval larger than the width of the tire to be accommodated, A string member that passes through a shaft hole of a wheel of a tire housed between the side frames and is fixed to the side frames, and is opposite to the side on which one side frame of the base plate is erected. On the base plate is provided a ride-up section on which the wheels of the automobile can ride.

JP2013-71490A

  In the above-described conventional technology, since the pair of side frames are erected on the base plate, there is a problem that a large occupied space is required and portability is poor.

  An object of the present invention is to provide a tire air filling safety fence which is small and has improved portability.

The present invention includes a rectangular base portion that can be mounted in a state where the tire is erected,
Mounted on one side of the long side of the base portion so as to be rotatable around a first axis parallel to the long side, and standing upright with respect to the base portion. A first fence that covers the tire from one side;
The base part is mounted on the other side part of the base side so as to be rotatable around a second axis parallel to the long side, and is erected vertically with respect to the base part. A second fence body that covers the tire from the other side ,
The first fence body includes a first frame portion that extends around an extension line on one side of the short side of the base portion in a state where the first fence body is rotated around the first axis and deployed in parallel with the base portion. Having a first frame;
The second fence body has a second frame including a second frame portion that extends on an extension line of one side of the short side of the base portion in a state where the second rail body is deployed on the same plane as the base portion.
One end connected to the base portion of the first frame portion is provided with a first auxiliary wheel that protrudes outward from the first frame portion and can roll.
A second auxiliary wheel that protrudes outward from the second frame portion and can roll is provided at the other end portion of the second frame portion opposite to the one end portion connected to the base portion. This is a tire air filling safety fence.

Further, the present invention is provided at a crossing portion between the one side portion on the long side of the base portion and the one side portion on the short side of the base portion, and is rotatable around a rotation axis parallel to the first axis. One wheel,
A second wheel provided at an intersection of the one side on the long side of the base and the other side on the short side of the base and rotatable around a rotation axis parallel to the first axis; It is further characterized by including.

  Further, the present invention provides a portion on the opposite side to the portion connected to the base portion of the first fence body and a portion on the opposite side to the portion connected to the base portion of the second fence body. The first fence body and the second fence body may further include holding means for holding the first fence body and the second fence body in a state where the first fence body and the second fence body are vertically erected.

According to the present invention, the first fence body is connected to one side of the long side of the base portion so as to be rotatable around the first axis, and the second fence body is secondly connected to the other side of the long side of the base portion. A first auxiliary wheel that is pivotably connected around the axis and that protrudes outward from the first frame portion and can roll, and a second auxiliary wheel that protrudes outward from the second frame portion and can roll since bets is provided, the safety fence for the tire air filling folded first and second rail members can be easily moved, small occupied space small, safety fence tire air filled with excellent portability Can be realized.

It is a front view which shows the safety fence 1 for tire air filling of one Embodiment of this invention. It is a right view of the safety fence 1 for tire air filling. It is a left view of the safety fence 1 for tire air filling. It is a top view of the safety fence 1 for tire air filling. 2 is an enlarged perspective view of the vicinity of a first wheel 5 and a first auxiliary wheel 9. FIG. It is sectional drawing which shows the state by which the locked state by the locking means 20 was cancelled | released. FIG. 6 is a cross-sectional view showing a locked state by the locking means 20. FIG. 3 is a perspective view showing a state where the first fence body 3 and the second fence body 4 are erected vertically with respect to the base portion 2. It is a perspective view which shows the state which laid down the 2nd fence 4 to one side. It is a perspective view which shows the state which laid down both the 1st and 2nd fence bodies 3 and 4 to one side.

  1 is a front view showing a tire air filling safety fence 1 according to an embodiment of the present invention, FIG. 2 is a right side view of the tire air filling safety fence 1, and FIG. 3 is a tire air filling safety fence. 4 is a left side view of the fence 1, and FIG. 4 is a plan view of the safety fence 1 for filling tire air. The tire air filling safety fence 1 of the present embodiment is used for a tire mounted on a wheel in a repair work vehicle called a service car equipped with a tire changer, a tire dealer, an automobile repair factory, a gas station, or the like. Is used to prevent scattering of tooth pieces and wheels when the tire bursts due to tire damage or the like.

  A tire air filling safety fence 1 according to the present embodiment includes a rectangular base portion 2 that can be mounted in a state where the tire T is erected, and one long side of the base portion 2 that is parallel to the long side. A first rail body 3 is rotatably connected around the first axis L1 and covers the tire T mounted on the base portion 2 from one side in a state where the tire T is erected vertically with respect to the base portion 2. The base portion 2 is connected to the other side portion of the long side so as to be rotatable around a second axis L2 parallel to the long side, and is erected vertically with respect to the base portion 2, And a second fence body 4 that covers the tire T mounted on the portion 2 from the other side.

  The tire air filling safety fence 1 is provided at an intersection of the long side side one side of the base part 2 and the short side side one side of the base part 2, and is a rotation axis parallel to the first axis L1. The first wheel 5 that is rotatable around L11, and provided at the intersection of the one side of the long side of the base part 2 and the other side of the short side of the base part 2, and is parallel to the first axis L1. And a second wheel 6 that can freely rotate about the rotation axis L12.

  The first fence body 3 is rotated around the first axis L1 and developed in parallel with the base portion 2, and the first frame portion extends on an extension line on one side of the short side of the base portion 2. It has the 1st frame 7 provided with 7a.

  The first frame 7 includes a first frame portion 7a, a second frame portion 7b, a third frame portion 7c, a fourth frame portion 7d, a fifth frame portion 7e, and a first frame portion 7f.

These first to sixth frame portion 7a~7f is made of, for example, L-section steel, the ends of the longitudinal direction are welded to the frame portion adjacent to each other, are connected to the frame shape. The peripheral portion of the wire mesh 13 is welded and joined to the first frame 7 so as to cover the in-plane opening, and when the tire ruptures, the tire fragments and the wheel are prevented from scattering.

  The second fence body 4 has a second frame 8 including a second frame portion 8 a that extends on an extension line of one side of the short side of the base portion 2 in a state where the second fence body 4 is deployed in parallel with the base portion 2. The second frame 8 includes a first frame portion 8a, a second frame portion 8b, a third frame portion 8c, a fourth frame portion 8d, a fifth frame portion 8e, and a sixth frame portion 8f.

These first to sixth frame portion 8a~8f is made of, for example, L-shaped steel, each end of the longitudinal direction are welded to the frame portion adjacent to each other, are connected to the frame shape. The peripheral portion of the wire mesh 14 is welded and joined to the second frame 8 so as to cover the in-plane opening, and when the tire ruptures, the tire fragments and the wheel are prevented from scattering.

  Since the metal meshes 13 and 14 are stretched inside the first and second frames 7 and 8, it is possible to prevent scattering of tire fragments and wheels at the time of tire rupture, and it is difficult to receive wind pressure and is a safety for filling tire air. The fence 1 can suppress the fall by a wind.

  One end of the first frame portion 7a connected to the base portion 2 is provided with a first auxiliary wheel 9 that protrudes outward from the first frame portion 7a and can roll. Further, a second auxiliary wheel 10 that protrudes outward from the first frame portion 8a and can roll is provided at the other end of the first frame portion 8a opposite to the one end connected to the base portion 2. Provided.

The base portion 2 includes a base plate 2a, a first reinforcing member 2b, a second reinforcing member 2c, a third reinforcing member 2d, a fourth reinforcing member 2e, a fifth reinforcing member 2f, and a sixth reinforcing member 2g. The base plate 2a is made of a punched steel plate. First to sixth reinforcing member 2B～2 g is made of, for example, L-shaped steel, are joined by welding to the base plate 2a. The first reinforcing member 2b and the second reinforcing member 2c are arranged in parallel, and the third to sixth reinforcing members 2d to 2g are arranged in parallel.

  On one main surface to which the first to sixth reinforcing members 2b to 2g of the base plate 2a are joined, the first reinforcing member 2b is disposed between one longitudinal end thereof and the third reinforcing member 2d longitudinal one end. Between the longitudinal direction other end part of 1 reinforcement member 2a and the longitudinal direction one end part of the 4th reinforcement member 2e, Between the longitudinal direction other end part of the 4th reinforcement member 2e, and the longitudinal direction one end part of the 2nd reinforcement member 2c Between the other end in the longitudinal direction of the second reinforcing member 2c and the other end in the longitudinal direction of the third reinforcing member 2d, a square cylindrical column 21 is welded perpendicularly to the main surface and joined. The

As shown in FIG. 5, a pair of ribs 22 is provided at both ends of the lower portions of the first and second frames 7 and 8. A strut 21 is inserted between the pair of ribs 22, and pins 23 are inserted into the ribs 22 and the struts 21 along the same axis as the first and second axes L 1 and L 2. Each one rib 22 is provided with a locking means 20. Each support column 21 is formed with a locking through-hole 24 penetrating in the axial direction parallel to the first and second axis lines L1 and L2.

  The tire air filling safety fence 1 includes a portion on the opposite side to the portion connected to the base portion 2 of the first fence body 3 and a portion on the opposite side to the portion connected to the base portion 2 of the second fence body 4. It further includes holding means 11 that holds and holds the portion in a state in which the first fence body 3 and the second fence body 4 stand vertically to the base portion 2.

The holding means 11 includes receiving cylinder members 25a and 25b made of square tube-shaped steel or pipes provided on the upper portions of the first and second frames 7 and 8, respectively, and the first in a state of standing vertically to the base portion 2. And a connecting member 25c, which is vertically stretched between the second frames 7 and 8, and made of a rectangular tube-shaped steel or pipe, and is welded to both ends in the longitudinal direction of the connecting member 25c and is welded vertically. member 25a, a pair of engagement members 25d to removably fitted to 25b, joined by welding to the surface of the opposite side and 25e, a longitudinal center the fitting member 25d of, 25 e of the connecting member 25c And a mounting cylinder 25f. Each of the fitting members 25d and 25e and the mounting cylinder 25f is also formed of a square cylindrical shaped steel pipe.

  The receiving cylinder members 25a and 25b are provided with locking means 26 and 27 similar to the locking means 20, respectively. The detailed configuration of these locking means 20, 26 and 27 will be described later. An operating device 28 for turning on / off an air filling device including an air compressor for filling the tire T with compressed air is mounted on the mounting cylinder 25f.

  FIG. 5 is an enlarged perspective view of the vicinity of the first wheel 5 and the first auxiliary wheel 9. 6A is a cross-sectional view illustrating a state in which the lock state by the lock unit 20 is released, and FIG. 6B is a cross-sectional view illustrating a state in which the lock unit 20 is locked. The locking means 20 includes a lock pin 30, an operation portion 31 that is coaxially fixed to one axial end of the lock pin 30, and a spring (not shown) that biases the lock pin 30 in one direction. And a holder portion 32 that is screwed into a screw hole formed in the screw 22.

  The lock pin 30 and the operation part 31 are spring-biased by a spring in the holder part 32 in a direction in which the operation part 31 approaches the holder part 32. As shown in FIG. 6A, when the other axial end of the lock pin 30 is disposed at a position facing the lock through hole 24, the lock pin 30 is displaced in the same direction by the spring force of the spring. 2, the other axial end of the lock pin 30 is inserted into the lock through hole 24. As a result, the first and second fence bodies 3, 4 are locked at a position where they are erected perpendicularly to the base portion 2.

  The pin 23 includes a bolt 23a and a nut 23b screwed to the bolt 23a. The bolt 23a has a shaft portion, and this shaft portion is inserted into a long hole 34 formed in the rib 22 and an insertion hole 35 formed in the support column 21, and a nut 23b is screwed thereon. By the long hole 34, the 1st and 2nd fence bodies 3 and 4 can be displaced with respect to the base part 2 along the long hole 23b.

  FIG. 7A is a perspective view showing a state in which the first fence body 3 and the second fence body 4 are erected vertically with respect to the base portion 2, and FIG. 7B shows a state in which the second fence body 3 is laid sideways to one side. FIG. 7C is a perspective view showing a state in which both the first and second fence bodies 3 and 4 are laid down to one side.

  When changing the installation location of the tire air filling safety fence 1 or when raising and lowering a vehicle equipped with a tire attaching / detaching device also called a service car, as shown in FIG. 7A, the first and second fence bodies 3 , 4 erected vertically from the base portion 2, as shown in FIG. 7B, after releasing the locked state of the second fence body 4 by the locking means 20, the second fence body 4 is laid sideways, As shown to 7C, the locked state of the 1st fence body 3 by the locking means 20 is cancelled | released, and the 1st fence body 3 is laid down in the same direction as the 2nd fence body 4. As shown in FIG.

  Thus, the first and second fence bodies 3 and 4 are folded in parallel with the base portion 2 and can be easily operated by the first and second wheels 5 and 6 or by the first and second auxiliary wheels 9 and 10. Can be moved.

  In a state where the first and second fence bodies 3 and 4 are folded in parallel to the base portion 2, the occupied volume is small compared to the three-dimensional structure of the prior art, and a large space is not required for storage. Since the first and second wheels 5 and 6 and the first and second auxiliary wheels 9 and 10 are provided on the second fence bodies 3 and 4, the first and second fence bodies 3 and 4 are substantially perpendicular to the traveling direction. The horizontal movement and the vertical movement of the first and second fence bodies 3 and 4 in the vertical direction substantially parallel to the traveling direction are easy, and high portability can be achieved.

  As another embodiment of the present invention, the tire air filling safety fence has a configuration in which the first and second fence bodies 3 and 4 are fixedly connected to the base portion 2 in a fixed manner, that is, the tire is erected. A rectangular base portion that can be mounted in a state and detachably provided on one side of the long side of the base portion, and mounted on the base portion in a state of being erected vertically with respect to the base portion. A first rail that covers the tire from one side, and a second base that is disposed adjacent to the other side of the long side of the base, and is erected vertically with respect to the base And it may be comprised including the 2nd rail body which covers the tire mounted on the base part from the other side.

  Even in such a configuration, a lightweight and thin tire air filling safety fence can be realized.

DESCRIPTION OF SYMBOLS 1 Safety fence for tire air filling 2 Base part 3 1st fence body 4 2nd fence body 5 1st wheel 6 2nd wheel 7 1st frame 7a 1st frame part 8 2nd frame 8a 2nd frame part 9 1st assistance Wheel 10 Second auxiliary wheel 11 Holding means 13, 14 Wire mesh 20, 26, 27 Locking means 21 Post 22 Rib 24 Locking through hole 28 Operating device L1 First axis L2 Second axis T Tire

Claims (3)

A rectangular base that can be mounted with the tire upright, and
Mounted on one side of the long side of the base portion so as to be rotatable around a first axis parallel to the long side, and standing upright with respect to the base portion. A first fence that covers the tire from one side;
The base part is mounted on the other side part of the base side so as to be rotatable around a second axis parallel to the long side, and is erected vertically with respect to the base part. A second fence body that covers the tire from the other side ,
The first fence body includes a first frame portion that extends around an extension line on one side of the short side of the base portion in a state where the first fence body is rotated around the first axis and deployed in parallel with the base portion. Having a first frame;
The second fence body has a second frame including a second frame portion that extends on an extension line of one side of the short side of the base portion in a state where the second rail body is deployed on the same plane as the base portion.
One end connected to the base portion of the first frame portion is provided with a first auxiliary wheel that protrudes outward from the first frame portion and can roll.
A second auxiliary wheel that protrudes outward from the second frame portion and can roll is provided at the other end portion of the second frame portion opposite to the one end portion connected to the base portion. A safety fence for filling tire air. A first wheel provided at an intersection of the one side on the long side of the base and the one side on the short side of the base, and rotatable around a rotation axis parallel to the first axis;
A second wheel provided at an intersection of the one side on the long side of the base and the other side on the short side of the base and rotatable around a rotation axis parallel to the first axis; The safety fence for tire air filling according to claim 1, further comprising: A portion of the first fence body opposite to the portion connected to the base portion and a portion of the second fence body opposite to the portion connected to the base portion are referred to as the first fence body. The tire air filling safety fence according to claim 1 or 2 , further comprising holding means for connecting and holding the second fence body and the second fence body in a state where the second fence body is erected vertically to the base portion.

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