JPH019715Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a vehicle rope hook device installed on the loading platform of a transportation vehicle such as a truck.

(Prior Art) Conventional rope hook devices for vehicles include those shown in FIGS. 9 and 10, for example.

That is, the required number of rope hooks 10 are provided on the outer side of the upper edges of the rear flap plate 91 and the side flap plates 92, 93 that form the loading platform 90 of the truck 9.
0, 100... are fixed. A conventional technique similar to this is disclosed in Japanese Utility Model Application Publication No. 56-79438.

However, in such a conventional rope hook device for a vehicle, the rope hooks 100, 100 always protrude from the outer surfaces 91a to 93a of the respective flap plates 91, 92, and 93, so that the overall appearance of the loading platform 90 is not good. , there is a risk that pedestrians may be injured by hitting the tips of the rope hooks 100, 100, etc., and if they are made easy to remove when unnecessary, they can be used when necessary in case of theft. The problem was that there were some things that could not be done.

(Purpose of the invention) The present invention was created by focusing on these problems.The rope hook body on which the rope is hung can be attached to and detached from the vehicle body, and attachment and detachment can only be done by key operation. The purpose of this invention is to solve the above problems by preventing theft.

(Structure of the invention) In order to achieve this purpose, in this invention,
a housing fixed to the vehicle body side and provided with a locking part to prevent it from falling out; a rope hook body on which a rope is hung and a key hole is bored; It has a locked part that engages with the locking part of the housing, is hidden when installed, and can be locked to and detached from the locking part by key operation through a key hole of the rope hook body, and the rope hook body is A rope hook device for a vehicle, characterized in that it comprises a connecting member that is removably connected to the housing, and the connecting member can be attached to and detached from the housing fixed to the vehicle body as necessary. be.

Attachment/detachment is performed by locking/unlocking the locked portion of the connecting member and the locking portion of the housing by operating a key, and the rope hook body cannot be removed without the key, making it highly resistant to theft.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

Figures 1 to 8 show an embodiment of the present invention, in which Figure 1 is a perspective view of the loading platform of a vehicle with the rope hook body attached, and Figure 3 is a diagram of the vehicle rope hook device. FIG.

As shown in FIGS. 1 to 3, the upper edges 11a to 13a of the rear flap 11 and side flaps 12, 13 forming the truck bed 10 are
Attachment holes are drilled at appropriate intervals, and vehicle rope hook devices 1, 1, . . . are installed at the attachment holes.

Each rope hook device 1, 1... has the upper edge 1
A rope hook main body 2 that can be inserted into each of the mounting holes 1a to 13a, and fixed to the upper part (vehicle body side) of the outer surface 11b to 13b of each of the rear flap plates 11 to 13,
A housing 3 having a locking part 30 therein, and a connection rotatably held by the rope hook body 2 and removably connecting the rope hook body 2 to the housing 3 by engaging with the locking part 30. It is composed of a member 4.

As shown in FIGS. 3 to 6, the rope hook body 2 consists of an oblong head 21 and a shaft 22 around which a rope is wound, and a female thread 23a is formed at the tip of the shaft 22. A holding hole 23 is provided.

A hollow bolt 5 is screwed into the female thread 23a with a predetermined tightening torque. The shaft portion 41 of the connecting member 4 is loosely fitted into the hole portion 51 of the hollow bolt 5, and the flange portion 42 of the connecting member 4 is locked by the tip portion 52 of the hollow bolt 5 to prevent it from coming off.

In this way, the connecting member 4 is rotatably held by the rope hook body 2 in a state where it is prevented from coming off by the hollow bolt 5.

Further, an elliptical locked portion 40 is formed at the tip of the connecting member 4, and a straight line of the locked portion 40 is formed between the locked portion 40 and the shaft portion 41. A neck portion 43 having a diameter equal to the width between the portions 40a, 40a is formed.

Keyhole 60 into which the key 6 shown in FIG. 7 is inserted
is formed in communication with the rope hook body 2 and the connecting member 4.

As shown in FIGS. 3 and 8, the housing 3 accommodates a mounting hole 31 into which the shaft portion 22 of the rope hook body 2 is loosely fitted, a coil spring 7 as a biasing member, and a retaining ring 70. A storage chamber 32 having an end surface 32a with which the upper surface 70a of the retaining ring 70 comes into pressure contact, and the retaining portion 30 are formed.

The retaining locking portion 30 has an oval-shaped locked portion 4.
0, a holding chamber 30c having an oval locking hole 30a into which a locking member 40 can be fitted, a locking surface 30b against which the locked portion 40 comes into contact, a retaining protrusion 30d protruding from the locking surface 30b, 30d. The projections 30d are provided at four locations, and in the installed state in which the locked portion 40 is locked to the locking surface 30b as shown in FIG. It engages with the portions 40a, 40a from both sides to prevent rotation of the locked portion 40.

Further, the coil spring 7 moves the retaining ring 7 in a direction that brings the locked portion 40 into contact with the locking surface 30b.
0, the hollow bolt 5 is energized. In the installed state shown in FIG. 3, the spring force of the coil spring 7 is set so that the frictional force between the contact surface 53 of the hollow bolt 5 and the upper surface 70a of the retaining ring 70 is smaller than the predetermined tightening torque. is set. Therefore, when the rope hook body 2 is rotated in the above-mentioned attached state, the rope hook body 2 and the hollow bolt 5 rotate idly relative to the retaining ring 70 as a unit.

Further, a guide groove 33 is formed in the upper part of the mounting hole 31 of the housing 3, in which a circular lid 8 slides, and the lid 8 is attached by a spring member 80 in the direction of closing the mounting hole 31. Forced. Lid body 8
A recessed portion 8a is formed therein.

Next, in the vehicle rope hook device 1 having the above configuration, as shown in FIG.
The procedure for assembling it to the housing 3 fixed to the upper part (vehicle body side) of the outer surface 12b of the side flap plate 12 as shown in FIG. 8 will be explained.

First, the lid 8 of the housing 3, which is in the closed position as shown in FIG. Upper edge 12 of plate 12
At the same time, insert the hollow bolt 5 into the mounting hole 31 of the housing 3 in the open state.
The contact surface 53 of is brought into contact with the upper surface 70a of the retaining ring 70.

The shaft portion 22 resists the biasing force of the coil spring 7.
further insert into the mounting hole 31 of the housing 3,
The oval-shaped locked portion 40 of the connecting member 4 is made to reach the oval-shaped locking hole 30a. At this point, the key 6 is inserted into the key hole 60, and the rope hook body 2 and the connecting member 4 are rotated together, and the oval-shaped locked portion 40 and the oval-shaped locking hole 30a are connected. With the direction aligned, the locked portion 40 is inserted into the holding chamber 30c through the locking hole 30a.

After the insertion, when the locked part 40 is rotated 90 degrees,
The locked portion 40 engages with the four protrusions 30d and is prevented from rotating. In this state, when the key 6 is removed, the biasing force of the coil spring 7 causes the locked portion 40 to
comes into contact with the locking surface 30b, and the rope hook body 2
The assembly is completed. This assembled state is shown in FIG.

By the above-mentioned assembly operation, each of the tilting plates 11-
13, the rope hook bodies 2, 2, .

In the assembled state shown in FIG.
Since the locked portion 40 is in pressure contact with the locking surface 30b while being prevented from rotating by the four protrusions 30d, the connecting member 4 will not rotate freely and the rope hook body will not rotate while traveling. 2 is housing 3
It will not fall off. Furthermore, even if the rope hook body 2 is rotated with the key 6 removed, the shaft portion 41 of the connecting member 4 is loosely fitted into the hole 51 of the hollow bolt 5, so that the rotation of the rope hook body 2 will be limited to the connecting member 4. is not transmitted. Therefore, the rope hook body 2 cannot be removed from the housing 3 without using the key 6.
The rope hook body 2 is prevented from rotating unintentionally due to the frictional force between the contact surface 53 of the hollow bolt 5 and the upper surface 70a of the retaining ring 70.

When removing the rope hook body 2 from the housing 3 in the assembled state shown in FIG.
into the key hole 60, push the rope hook body 2 downward, and push the locked part 40 of the connecting member 4 into the protrusion 3.
0d, rotate the locked part 40 by 90 degrees, pull out the locked part 40 from the locking hole 30a, and remove the connecting member 4.
Then, pull out the rope hook body 2 from the mounting hole 31 of the housing 3 and the mounting hole of the upper edge 12a of the side flap plate 12. As a result, the lid body 8 which was in the open position is moved to the eighth position by the biasing force of the spring member 80.
It returns to the closed position shown in the figure, and the mounting hole 31 is closed.

According to the above embodiment, since the coil spring 7 is interposed between the rope hook body 2 and the housing 3 in the assembled state shown in FIG.
is prevented from wobbling.

Further, in the above-described embodiment, the rope hook main body is provided at the upper edge of the gate plate, but it may be provided at the side or lower part thereof.

(Effects of the invention) According to the vehicle rope hook device according to the invention, the rope hook body can be attached to and detached from the housing fixed to the vehicle body, so the rope hook body can be removed when it is not needed, improving the appearance of the entire loading platform. This improves the safety and eliminates the risk of pedestrians being injured by hitting the rope hook body. Since the rope hook body cannot be removed from the housing without using the key, the rope hook body cannot be stolen.

[Brief explanation of the drawing]

Figures 1 to 8 show an embodiment of the present invention, in which Figure 1 is a perspective view of the vehicle loading platform with the rope hook body attached, and Figure 2 is a perspective view of the vehicle loading platform with the rope hook body attached.
3 is a longitudinal sectional view of the vehicle rope hook device, FIG. 4 is a front view of the rope hook body side, and FIG. 5 is a partial sectional view taken along the - line in the figure.
6 is a sectional view along the line, FIG. 6 is a view taken in the direction of the arrow in FIG. 4, FIG. 7 is a plan view of the key, FIG. 8 is a longitudinal sectional view of the housing side, and FIGS. 9 is a perspective view of the entire vehicle, and FIG. 10 is a sectional view taken along the line - in FIG. 9. DESCRIPTION OF SYMBOLS 1... Vehicle rope hook device, 2... Rope hook body, 3... Housing, 4... Connecting member, 6... Key, 7... Coil spring, 30
...Key hole, 60...Key hole.

Claims (1)

[Scope of Claim for Utility Model Registration] A housing that is fixed to the vehicle body and is provided with a retaining part inside, a rope hook body on which a rope is hung and a key hole is bored, and the rope hook body is rotatable. The rope hook is held in an unremovable manner, and has a locked part that engages with the locking part of the housing, and is hidden when installed and can be locked to and released from the locking part by operating a key through the key hole of the rope hook body. and a connecting member that removably connects the rope hook body to the housing.