JPS58178002A - Locking device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a locking device for removably locking and fixing one member to the other, with improved reliability of operation.

In a conventional locking device that includes a lock pin, an operation button, and a leaf spring that biases the lock pin in the locking direction, when the end of the operation button is pressed, that is, when an unbalanced load is applied to the operation button. In some cases, the lock pin may operate in an inclined state, and although it does not easily dislodge from the locking portion, reliability in terms of operation has become a problem.

The present invention eliminates these conventional drawbacks, and embodiments thereof will be described below with reference to the accompanying drawings.

The figure shows an iron that has a base 1 on the lower part and a temperature-controlled folding part 2 on the front upper surface. A letter-shaped guide groove 4 is formed. Reference numeral 6 denotes a case-like handle that is open at the bottom and rear and has a boat shape similar to that of the iron main body 3, and a projection 6 that projects inward from the lower rear part of the handle fits into the guide groove 4. Thus, it is movably attached to the iron main body 3. Reference numeral 7 designates four locking portions formed opposite to the projection 6, and 8 designates an inclined surface similarly provided at the rear of the projection 6. A locking device 9 is disposed at the rear of the main body 3 of the iron.

The lock device 9 includes a push button 1o molded from synthetic resin, a lock pin 11 whose peripheral wall portion protrudes and retracts from the horizontal groove portion 4b of the guide groove 4, and a lock pin 11 that is attached to the push button 10 molded from synthetic resin.
0 and a leaf spring 12 that urges the lock pin 11 upward. To be more specific, a pair of legs 14 are hung from the push button 1o, passing through a hole 13 formed in the rear upper surface of the iron main body 3, and the tip of each leg 14 has a narrow entrance. A keyhole-shaped fixing groove 15 is formed. On the other hand, the lock pin 11 faces the leg piece 14 and has a diameter of /J.
It has part 16. To install this lock pin 11, attach the leg piece 1
This is done by press-fitting the small diameter portion 16 into the fixing groove 15 while widening the entrance of the fixing groove 15 using the elasticity of the fixing groove 15. Of course, the lock pin 11 is removed by passing the leg piece 14 of the push button 10 into the hole 13 at t1.

One end of the single-flap spring 12 is screwed to the lower surface of the iron main body 3, and the free end is in elastic contact with the lower part of the lock pin 11 located between the leg pieces 14. 17 is mainly iron 3
A groove is formed in the longitudinal direction on both sides, and a part of the groove is connected to the horizontal groove 4b-i of the guide groove 4, and the end of the pin 11 is fitted into this groove 17. .

Now, to describe the movable operation of the handle 6, when the handle 6 is moved downward to position the protrusion 6 below the vertical groove 4a of the guide groove 4, the iron main body 3 and the temperature control knob 2 are moved by the handle 5. It can be made into a small, compact iron that is convenient for carrying around and carrying around (Fig. 1, Fig. 7 A).

When using the iron next time, move the handle 5 upward as shown by arrow a in FIG. 7A) and then move it backwards as shown by the arrow. At this time, the protrusion 6 also moves up the vertical groove part 4a of the guide groove 4, and then slides backward in the horizontal groove part 4b. As the lateral groove 4b of the protrusion 6 slides, the inclined surface 8 once moves the lock pin 11 downward.
The protrusion 6 is allowed to advance. When the protrusion 6 reaches a predetermined position, the locking pin 11 engages with the locking recess 7 under the urging force of the leaf spring 12, thereby locking the handle 5. This state is the position of the handle 6 when using the iron (Fig. 2, Fig. 7 C).
By sliding the handle 5 backward, the temperature-controlled folding machine 2 can be operated, and the tip of the base 1 can also be seen, making ironing easy.

In order to return the shodder 1P hand 5 to its initial state, it can be done by moving the long pin 11 downward via the push button 10 (see Figure 6) to disengage it from the engagement recess 7. .

By the way, in the locking device 9, the plate spring 121d
The width of the tip is slightly narrower than the width of the push button 10, but the other portions are set to have a width similar to or greater than the width of the push button 1o.

Therefore, even if an uneven load is applied to the push button 10, the leaf spring 12
There is no possibility that the lock pin 11 will be twisted, and accordingly, the lock pin 11 will also surely move in parallel.

In the above embodiment, an example has been described in which the lock device is applied to a movable handle of an iron, but of course, this lock device can be applied to other devices other than the above iron.

According to the present invention, by setting the width of the plate in relation to the width of the operating button, the lock pin always operates normally no matter how the operating button is operated.
It is possible to reliably eliminate lock-rotation of parts.

6＼

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an iron showing an embodiment of the present invention;
The figure is a perspective view of the same when in use, Figure 3 is an exploded perspective view, and Figure 4 is an exploded perspective view.
The figure is an exploded perspective view of the locking device section, FIG. 5 is a sectional view thereof, FIG. 6 (A) 1 is an explanatory view of the same operation, and FIG. 3... One member (mainly iron), 5...
...Other member (handle), end...Locking part, 1
0...Operation button (push button), 11...Lock pin, 12...Plate spring. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 4
Figure 6 Figure 7

Claims (1)

[Claims] A lock pin is movably attached to one member and detaches from a locking portion of the other member when an operation button is operated, and a lock pin is provided between the lock pins facing the operation button, and the lock pin is moved in the locking direction. The locking device is provided with a leaf spring that is energized, and the operating button and the leaf spring are set to be substantially the same.