JPH0535017Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a cargo tightening device for restraining cargo loaded onto the cargo bed of a vehicle.

[Prior art]

Generally, parcels and mail to be delivered are stored in a box-shaped container or a luggage cage 100 equipped with support wheels as shown in FIGS. It is often loaded and transported.

Conventionally, damage to the cargo cage 100 and the cargo caused by the cargo cage 100 moving and hitting the front wall of the loading platform or colliding with each other due to shaking or vibration of the truck VL during transportation has been prevented. In order to secure the baggage cage 10 with rope etc.
0, or as shown in FIGS. 9 and 10, holding members 103 are attached to the left and right side walls 102 of the cargo platform 101 in the front and rear direction, respectively, and a regulating member 104 is installed between the front and rear cargo cages 100. It is attached to the left and right holding members 103 to restrict movement of the luggage cage 100 during transportation.

Incidentally, the present applicant has proposed a load tightening device in Utility Model Application No. 1-12464 and Utility Model Application No. 1-12465.

[The problem that the idea aims to solve]

When securing the cargo cage 100 with a rope or the like as described above, there is a problem that the work efficiency of cargo tightening is low and that a considerable amount of labor is required when tightening the cargo. On the other hand, when the luggage cage 100 is restrained by the regulating member 104, the luggage cage 100 is not restrained in the vehicle width direction and the luggage cage 100 is restrained in the vehicle width direction.
00 can move in the width direction of the vehicle, there is a problem in that the cargo cage 100 and the cargo may not be damaged or damaged due to insufficient cargo tightening.

On the other hand, the above-mentioned Utility Application No. 1-12464 and Utility Application No. 12465
There was room for improvement in terms of operability of the cargo tightening device proposed in the issue.

The purpose of this book is to provide a cargo tightening device that can securely secure cargo to a loading platform with simple operation.

[Means to solve the problem]

In the load tightening device for a vehicle loading platform according to the present invention, the end portion of the load tightening member for fixing the cargo loaded on the vehicle loading platform is driven to tighten forward with respect to the vehicle traveling direction. A cargo tightening device for use in a vehicle, wherein a guide member extending in the front and back direction is fixedly provided on a side wall of a vehicle loading platform, and an elongated slide member is provided in a guide portion formed on the guide member so as to be slidable back and forth. A plurality of ratchet teeth are provided on a predetermined length of the upper edge or the lower edge to allow the slide member to move forward, and the guide member is provided with a ratchet pawl that engages with the ratchet teeth, and the ratchet pawl is manually engaged. An operating section is provided for the release operation, and the guide member has engaging teeth that can be engaged with and disengaged from the ratchet teeth, and the load tightening lever swings back and forth to drive the load tightening of the ratchet teeth forward in sequence. The slide member is provided with a connecting engagement portion for connecting the end portion of the load tightening member to the sliding member.

[Effect]

In the load tightening device for a vehicle loading platform according to the present invention,
When tightening the cargo loaded on the loading platform,
One end of the load tightening member is connected to one side wall, the load tightening member is spanned toward the other side wall so as to be in contact with the rear end surface of the load, and the other end of the load tightening member is connected to the other side wall. The slide member is engaged with the connecting engagement portion of the slide member provided on the guide member fixed to the portion.

Next, when the slide member attached to the fixed guide member on the other side wall portion is driven forward, the luggage is pushed forward by the cargo securing member connected to the slide member and pressed against the front wall portion of the loading platform or the rear end surface of the luggage at the front, and the luggage is relatively gently restrained from moving in the fore-and-aft and width directions by the cargo securing member.

Next, the ratchet teeth are sequentially engaged and disengaged from the plurality of ratchet teeth provided on the guide member, and the ratchet teeth are driven forward to tighten the slide member further forward, so that the cargo is firmly fastened to the cargo platform. Ru.

At this time, since the operating force for operating the load tightening lever is increased by the lever ratio of the load tightening lever, the load can be strongly tightened with a small operating force.

When the load is tightened and the drive of the load tightening lever is stopped, the ratchet pawl provided on the guide member engages with the ratchet teeth and locks the slide member in the load tightening state, so that the load tightening condition of the load is maintained.

On the other hand, in order to release the cargo from the load, manually release the operation part provided on the ratchet pawl to release the engagement between the ratchet teeth and the ratchet pawl and move the slide member backward. The load tightening of the load by the load tightening member is released.

[Effect of idea]

According to the load tightening device for a vehicle cargo bed of the present invention, as explained in the [Function] section above, the load can be tightened by simply driving the slide member forward and driving the load tightening lever. The load tightening lever can be used to strongly tighten loads with a small force, reducing the labor involved in tightening loads.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

The load tightening device FD (hereinafter referred to as the load tightening device) for a vehicle loading platform according to this embodiment consists of a plurality of luggage cages that accommodate a large number of parcels and are loaded onto the loading platform 2 of a truck 1, as shown in FIG. 3 to a predetermined position on the loading platform 2 by the loading member 4. Hereinafter, the front, rear, left, and right will be defined and explained in the direction of travel of the truck.

Four sets of load tightening devices FD are provided on the right side wall 2a of the loading platform 2 at predetermined intervals in the war direction.
As shown in FIGS. 4 to 4, a guide member 1 is fixed to the front and rear column members 9 fixed to the left end surface of the right side wall portion 2a.
0, a slide member 20 provided in a guide portion within the guide member 10 so as to be slidable back and forth, and a ratchet mechanism 30 for locking the load tightening state.
, a load tightening operation mechanism 40 for driving the slide member 20 to tighten the load, and the like.

The guide member 10 includes a first guide member 11 having a flanged groove cross section and an opening at the right end, which is elongated in the front-rear direction, and a plate-shaped second guide that is in contact with the right end surface of the first guide member 11. The guide member 10 is generally fixed to a member 12 with a plurality of screws 13, and the guide member 10 is horizontally fixed to the column member 9 of the right side wall portion 2a of the loading platform 2 with bolts in the front-rear direction.

A first opening 11c is formed from the rear end of the web 11b of the first guide member 11 to a midway part,
A second opening 11d is formed from the front end to the middle.

The slide member 20 is a plate member having approximately the same length in the front-rear direction as the guide member 10, and its upper and lower ends meet the upper and lower flanges 1 of the first guide member 11, respectively.
1a, and its left side abuts the inner surface of the web 11b of the first guide member 11, so that it is slidable in the front-rear direction along the accommodation portion of the guide member 10.

Three connecting holes 2 having small-diameter connecting and engaging portions 21a are provided in a predetermined midway portion of the slide member 20.
1 is formed, and the load tightening member 4 is slid by engaging the flange-equipped engagement shaft portion 6 provided on the fixing fitting 5 of the load tightening member 4 shown in FIG. 6 with the connecting engagement portion 21a. It is adapted to be connected to member 20.

Furthermore, an operating section 22 is provided at the rear end of the slide member 20 in the following manner so that the slide member 20 can be slid manually.

That is, as shown in FIG. 5, an opening 20 having approximately the same width as the opening 11c is provided at the rear end of the slide member 20.
A block member 24 is fixed to the right side of the slide member 20 on the front side of the opening 20c with a bolt 23, and the front right end face of the block member 24 is in contact with the right guide member 12. Opening 2
A pivot pin 25 is attached in the vertical direction to the rear part of the block member 24 facing 0c.
A spring member 26 is provided on the exterior of the pivot pin 25 in the accommodation portion 24a formed in the middle part of the rear part of the housing part 24a.
is rotatably provided on the block member 24, and an operating member 28, which is L-shaped in plan view, is fixed to the rotating member 27.

As shown by the solid line in FIG. 2, the operating member 28 is moved to a non-use position where it is retracted toward the slide member 20 side by the spring member 26 and a second position by rotating the rotating member 27 with the operating portion 27a of the rotating member 27. Figure 1
As shown by the dotted chain line, it can be switched to the use position.

To explain the ratchet mechanism 30,
At the upper end of the guide member 10 in the middle part in the front-rear direction,
A box-shaped member 31 having an open lower end is welded to the first guide member 11 at the lower end, and an upper wall portion of the first guide member 11 faces the lower surface of the box-shaped member 31. The pivot pin 32 is opened and provided in the left and right direction at the lower end of the left and right side walls of the box-shaped member 31, and has a ratchet pawl 3.
A ratchet lever 33 having a ratchet lever 33 is pivotally supported so as to be swingable in the front-rear direction, and the lever portion 33b is connected to an opening 3 formed at the front end of the upper wall of the box-shaped member 31.
It protrudes upward from 1a.

On the other hand, a ratchet member 34 having a plurality of ratchet teeth 34a that only allows forward movement of the slide member 20 is provided at the upper edge of the rear half of the slide member 20, and the ratchet pawl 33a is shown by a solid line in FIG. As shown, the lever portion 33 is at the engagement position where it is urged downward by the leaf spring 35 provided on the upper wall of the box-shaped member 31 and engaged with the ratchet teeth 34a.
By manually rotating rearward b, it is possible to switch to the release position where the engagement with the ratchet teeth 34a is released, as shown by the two-dot chain line in FIG. Note that when the ratchet claw 33a is in the engagement position, the lever portion 33b is in contact with the front edge of the opening 31a.

To explain the load tightening operation mechanism 40,
A pivot pin 41 is provided in the center of the box-shaped member 31 in the left-right direction, and a substantially horizontal link member 42 is provided on the pivot pin 41 so as to be swingable toward the rear. A compression coil spring 45 is interposed between the shaft member 43 fixed to the lower end and the shaft member 44 fixed to the rear part of the right wall of the box-shaped member 31, and the link member 42 is attached counterclockwise by the compression coil spring 45. Forced.

Further, a pivot pin 46 is provided in the center of the link member 42 in the left-right direction, and the pivot pin 46 has engagement teeth 47a, and a load tightening lever 47 with a lever ratio of about 7 times is provided in the front-rear direction. The lever portion 47b thereof is pivotally mounted so as to be swingable, and the lever portion 47b projects upwardly from an opening 31b formed in the rear portion of the upper wall portion of the box-shaped member 31.

A compression coil spring 50 having a spring force greater than that of the compression coil spring 45 is interposed in the shaft member 48 fixed to the middle lower part of the load tightening lever 47 and the shaft member 49 fixed to the front part of the right wall of the box-shaped member 31. The load tightening lever 47 is biased counterclockwise about the pivot pin 46 by a compression coil spring 50.

When the load tightening lever 47 is not rotated rearward, the link member 42 is in the raised position by the compression coil spring 45 as shown by the solid line in FIG. It is in the release position as shown by the solid line in the figure.
The lever portion 47b is in contact with the front edge of the opening 31b.

When the lever portion 47b of the load tightening lever 47 is rotated rearward to the engagement position shown by the dashed line in FIG. 3, the link member 42 swings against the spring force of the compression coil spring 45 to the lowered position shown by the dashed line in FIG. While contacting the stopper 51, the engaging tooth 47a of the load tightening lever 47 engages with the ratchet tooth 34a of the ratchet member 34.

In this state, when the load tightening lever 47 is rotated to the driving position shown by the two-dot chain line in FIG. 3, the ratchet member 34 is driven forward by about 1.5 pitches, and the slide member 20 is driven forward to tighten the load. .

Next, after swinging the load tightening lever 47 toward the release position to release the engagement with the engagement teeth 47a, when the load tightening lever 47 is rotated backward again, the slide member 20 is moved further forward in the same manner as described above. Load tightening is driven.

As described above, by rotating the load tightening lever 47 in the front-rear direction, the ratchet teeth 34a are successively driven forward to tighten the load, and when the rotation of the load tightening lever 47 is stopped, the link members are moved as described above. 4
2 returns to the raised position and the load tightening lever 4
7, the engaging tooth 47a is disengaged from the ratchet tooth 34a and returns to the release position.

By providing the load tightening lever 47 on the link member 42 which can swing between the raised position and the lowered position in this manner, the engaging tooth 47a can be reliably engaged with and disengaged from the ratchet tooth 34a.

The operation of the load tightening device FD configured as above will be explained.

When the cargo cages 3 loaded on the cargo platform 2 are to be tightened, the front end surfaces of the cargo cages 3 loaded in the front row of the cargo platform 2 are arranged so as to abut against the front wall portion 2b of the cargo platform 2.

Next, attach the hook portion 7 of the load tightening member 4 to the left side wall portion 2.
The belt 8 is connected to the connecting portion provided on the inner surface of the baggage cage 3, and the belt 8 is brought into contact with the rear end surface of each baggage cage 3, and is stretched over the right side wall portion 2a, and the engagement shaft portion 6 of the load tightening member 4 is connected to the second side. The connecting engagement portion 21a of the appropriate connecting hole 21 of the three connecting holes 21 of the slide member 20 in the load tightening release position shown by the solid line in Fig. 3
to engage.

Next, the operating member 28 is switched to the use position, and when the operating member 28 is used to push the slide member 20 to the cargo tightening position at the front of the predetermined stroke as shown by the two-dot chain line in FIGS. 3 is relatively gently restrained from moving in the longitudinal direction and the vehicle width direction by the load tightening member 4, as shown by the two-dot chain line in FIG.

Next, when the load tightening lever 47 is rotated in the front-back direction, the slide member 20 is further driven forward to tighten the load, and the load cage 3 is further tightened.

At this time, the driving force for rotating the cargo tightening lever 47 is increased approximately seven times, so that the slide member 20 can be driven forward and the cargo can be tightened with a small operating force. When the cargo cage 3 is completely tightened in this manner, the ratchet pawl 33a engages with the ratchet teeth 34a to lock the slide member 20 in the cargo tightening state.

In addition, when tightening the cargo cages 3 in the second row and subsequent rows of the cargo platform 2, the same procedure as described above may be performed for the second cargo tightening device FD.

To release the load tightening of the cargo cage 3, operate the ratchet lever 33 with the lever part 33b to switch the ratchet pawl 33a to the release position, and move the slide member 20 rearward using the operating member 28 to release the cargo cage 3. The load tightening state is released.

As described above, the load tightening device FD allows the cargo cage 3 to be tightened and unfastened with simple operation and with a light operating force, and the cargo cage 3 can be strongly constrained to the cargo platform 2.

Note that the ratchet member 34 is the same as the slide member 3.
It can also be provided at the lower end of the rear half of the 4. In that case, the ratchet lever 33 and load tightening operation mechanism 40 may be provided on the lower end side of the guide member 10.

Next, a modification of the load tightening operation mechanism 40 of the above embodiment will be described.

(Modification 1) The pivot pin 49 of the previous embodiment is omitted, and a compression coil spring 50A that biases the load tightening lever 47A in the counterclockwise direction is replaced with a pivot provided on the load tightening lever 47A, as shown in FIG. The support pin 48A and the link member 42A are interposed on the pivot pin 41A.

The operation of the cargo tightening operation mechanism 40A is similar to that in the embodiment described above, so the same reference numerals are given to the same members and the explanation thereof will be omitted.

(Embodiment 2) The link member 42 of the previous embodiment is omitted, and as shown in FIG. Pivot pin 4 inserted into elongated hole 47c
6B so that it can swing back and forth.

The load tightening lever 47B is provided with a receiving portion 47d, and the receiving member 36 that contacts the bulging opening 31c of the box-shaped member 31B is mounted on the upper side of the receiving portion 47d. A compression coil spring 37 is interposed between the load tightening lever 47B and the receiving member 36 to urge the load tightening lever 47B toward the ratchet teeth 34a.

Also, a shaft portion 36a provided on the receiving member 36 and a shaft member 38 provided on the right wall portion of the box-shaped member 31B.
A compression coil spring 39 is interposed therein to urge the load tightening lever 47B toward the release position.

By providing the load tightening lever 47B in this way, when rotating the load tightening lever 47B,
The engaging tooth 47a reliably engages with the ratchet tooth 34a, and the elongated hole 47c allows the load tightening lever 4
7B is movable up and down, so the engaging tooth 47a
and the ratchet teeth 34a mesh smoothly.

[Brief explanation of the drawing]

Figures 1 to 7 show embodiments of the present invention, with Figure 1 being a plan view showing the load cage being secured on the truck platform by the load tightening device, and Figure 2 being the load tightening device. 3 is a partially cutaway side view of the load tightening device, FIG. 4 is a sectional view taken along the line of FIG. 3, FIG. 5 is a perspective view of the operating section, and FIG. 6 is a perspective view of the load tightening member. , FIG. 7 and FIG. 8 show modifications of this embodiment, respectively. FIG. 7 is a partially cutaway front view of the load tightening operation mechanism, and FIG. 8 is a partial cutaway view of the load tightening operation mechanism of another modification. FIG. 9 is a cutaway front view, FIG. 9 is a side view showing a loading state according to the prior art, and FIG. 10 is a plan view of the same state. FD...Load tightening device, 2a...Right side wall section, 3...
...Luggage cage, 4...Load tightening member, 10...Guide member, 20...Slide member, 21a...Connection engagement part, 33a...Ratchet pawl, 33b...Lever part, 34a...Ratchet tooth, 47 ...Load tightening lever, 47a...engaging teeth.

Claims (1)

[Scope of Utility Model Registration Request] A load tightening device for a vehicle loading platform that drives the end of a load tightening member for securing cargo loaded on the vehicle loading platform forward with respect to the vehicle traveling direction. A guide member extending in the front-rear direction is fixedly provided on a side wall of the vehicle loading platform, an elongated slide member is provided on the guide portion formed in the guide member so as to be slidable back and forth, and an upper edge of the slide member is provided. Alternatively, a plurality of ratchet teeth are provided on a predetermined length of the lower edge portion to allow the slide member to move forward, and a ratchet pawl that engages with the ratchet teeth is provided on the guide member so that the ratchet pawl can be manually released. The guide member is provided with a load tightening lever which has engaging teeth that can be engaged with and disengaged from the ratchet teeth and is swingable in the front and rear direction to drive the ratchet teeth forward in order to tighten the load. A load tightening device for a vehicle loading platform, characterized in that a connecting engagement portion for connecting an end of a load tightening member to a slide member is provided.