JPH048575Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention relates to a device for automatically storing a control switch, which controls the opening and closing of a rear door attached to the cargo bed of a special vehicle, in a control box, for example. .

<Prior Art> In special vehicles such as trucks, a control switch for a control device that automatically opens and closes the rear door of a loading platform is housed in the rear of the vehicle body.

By the way, as a conventional method for storing such a control switch, the method shown in FIG. 4 is known. This involves winding a cord 3, which has one end connected to the control switch 1 and the other end fixed to the control box 2, into a loop by hand and storing it in the control box 2.

<Problems to be Solved by the Invention> However, in the conventional method described above, winding the cord takes time and is very troublesome. Also,
Depending on how the cord is wrapped, it may be difficult to neatly insert the cord into the control box.

Therefore, an object of this invention is to provide an automatic storage device for a control switch that can automatically store a control switch in a control box easily and quickly.

<Means for solving the problem> In order to achieve the above object, this invention includes a control box that stores a control switch, and a control box that extends laterally from one side of the control box so that the pulley can be moved laterally. a pulley case housed in the pulley case, a reel provided at the end of the pulley case opposite to the control box and biased in one direction of rotation by a spiral spring, a ratchet fixed to the reel, and a a wire connected to the shaft of the pulley, the other end fixed to the reel, and wound around the reel;
A cord having one end connected to the control switch, the other end fixed to the control box, and wound around the pulley, and a release member for releasing a pawl that engages with the ratchet. There is.

<Operation> When the control switch is housed inside the control box, when the cord connected to the control switch is pulled outside the control box, the pulley around which the cord is wound will move inside the pulley case to the control box. Move laterally to the side. As the wire moves, the wire, which has one end connected to the shaft of the pulley and the other end fixed to the reel and is wound around the reel, stretches while rotating the reel. The rotation of this reel causes the spiral spring to be wound up. The pawl then engages with the ratchet to stop the reel.

Next, when the pawl engaged with the ratchet is released by the release member, the wound spiral spring returns to its original state at once due to its elasticity, and the reel is rotated in one direction by this spiral spring. The wire is rewound onto the reel. Then, the pulley is pulled by this wire and moves inside the pulley case in the opposite direction of the control box, and the cord wound around this pulley is stored inside the pulley case, and the control switch is activated. Stored in a box.

<Example> Hereinafter, the present invention will be explained in detail with reference to the illustrated example.

FIG. 1 is a diagram showing a state in which a control switch is stored in a control box, where 10 is a control switch that stores a control switch 11, and 14 is a control switch that stores a control switch 11.
A rectangular tube-shaped pulley case extending laterally from one side; 12 is a pulley provided to be movable laterally within the pulley case 14; 13 is a connecting fitting fixed to the shaft 20 of the pulley 12; 15 is a pulley case; A reel 19 provided on the upper end of the pulley case 14 in the direction opposite to the control box 10 as will be described later is a stopper provided on the pulley case 14.

A cord 18 whose one end is connected to the control switch 11 is inserted into the pulley case 14 through the round hole 16 on the side of the control box 10 and wound around the pulley 12 by half a turn. Another round hole 1
7 into the control box 10,
Metal fitting 21 provided on the control box 10
and is connected to a control device (not shown). When the pulley 12 is near the ratchet 24 as shown in FIG. 1, the cord 18 is in a tensioned state with the control switch 11 housed in the control box 10 without slack.

As shown in FIG. 2, the reel 15 is rotatably supported by a shaft 22 attached to the inside of the side walls 14a and 14b of the pulley case 14. And around this reel 15,
One end is connected to the connecting fitting 13 of the pulley 12, and the other end is wound around a wire 23 fixed to the center of the reel 15. Furthermore, the shaft 2
A ratchet 24 fixed adjacent to the reel 15 and a spiral spring case 25 housing a spiral spring (not shown) are provided around the reel 2. One end of the spiral spring (not shown) is fixed to the shaft 22, and the other end is connected to the reel 15, so that when the spiral spring is wound back to its original state due to elasticity, the reel 15 is rotated in one rotation direction. I'm trying to energize it.

Further, in FIG. 1, reference numeral 26 denotes an operating rod as an example of a release member for releasing the pawl 27 that engages with the ratchet 24, and is provided above and parallel to the pulley case 14. . One end of the operating rod 26 is inserted into the control box 10, and a handle 30 is attached to the tip.

In the above configuration, as shown in FIG. 3, when the control switch 11 is manually extended by a length of 2 to the outside of the control box 10, the pulley 12 moves a distance in the direction of the control box. At this time, the wire 23 connected to the connecting fitting 13 of the pulley 12 rotates the reel 15 in the forward direction while extending by the amount of movement of the pulley. As a result, the spiral spring (not shown) whose one end is fixed to the reel 15 is wound up. The pawl 27 then engages with the ratchet 24 to stop the reel 15 against the force of the spiral spring. The operator then operates the control switch at an appropriate position.

Next, in the state shown in FIG. 3, when the handle 30 of the operating rod 26 is pulled to release the engagement between the ratchet 24 and the pawl 27, the spiral spring (not shown) that has been wound up is suddenly released due to its elasticity. Return to original state. Due to the action of this spiral spring,
The reel 15 rotates in the opposite direction, and the wire 2 is extended.
3 is rewound onto reel 15 all at once. At the same time, the pulley 12 moves within the pulley case 14 in the direction of the reel 15 and stops against the stopper 19, causing the control switch 11 to stop.
The cord 18 is housed in the pulley case 14, and the control switch 11 is housed in the control box 10.

In this way, since the reel 15 utilizing the elasticity of a spiral spring is used, the control switch 11 can be quickly and easily stored in the control box 10. Further, since the pulley 12 is used, the amount of movement of the pulley 12 is only half of the length 2 of the cord to be pulled out or stored, and the overall space can be saved. Further, since the cord 18 is wound only half a turn around the pulley 12, there is no risk of wire breakage, unlike the case where many turns are wound directly around the reel 15.

<Effects of the invention> As is clear from the above explanation, the control switch automatic storage device of this invention includes a control box for storing the control switch,
a pulley case that extends laterally from one side of the control box and accommodates the pulley so as to be movable laterally; a reel that is biased in the direction;
A ratchet fixed to the reel, one end connected to the shaft of the pulley and the other end fixed to the reel, a wire wound around the reel, one end connected to the control switch, and the other end connected to the above reel. The control box is equipped with a cord fixed to the control box and wound around the pulley, and a release member that releases the pawl that engages with the ratchet, so a long cord can be stored in a small space, and the release member By simply releasing the claw engaged with the ratchet, the control switch can be easily and quickly stored in the control box by utilizing the elasticity of the spiral spring. In addition, since the cord is wound only half a turn around the pulley, unlike the case where many turns are wound directly onto the reel,
There is no risk of wire breakage.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing an automatic storage device for a control switch according to an embodiment of the present invention, and FIG.
Fig. 1 is a detailed view of the wire winding portion, Fig. 3 is a view showing the control switch of the above embodiment pulled out from the control box, and Fig. 4 is a partially cutaway perspective view showing the conventional storage method. It is. 10... Control box, 11... Control switch, 12... Pulley, 14... Pulley case, 15... Reel, 18... Cord,
23... wire, 24... ratchet, 25...
Spiral spring case, 26... operating rod, 27... claw.

Claims (1)

[Claims for Utility Model Registration] A control box that stores a control switch; A pulley case that extends laterally from one side of the control box and stores a pulley so as to be movable laterally; and the control of the pulley case. a reel provided at the end opposite to the box and biased in one rotational direction by a spiral spring; a ratchet fixed to the reel; one end connected to the shaft of the pulley and the other end attached to the reel. The wire is fixed and wound around this reel, and one end is connected to the control switch,
An automatic storage device for a control switch, comprising: a cord having the other end fixed to the control box and wound around the pulley; and a release member for releasing a pawl that engages with the ratchet.