JPS5814209Y2 - Lid lock member - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement of a locking member for a lid body that can be rotated to open and close.

Conventionally, such a locking member of a lid body has one in which a locking piece 2 engages with a mating member by rotating a knob 1, as shown in FIG. 1, and an opening/closing operation handle on one end side. A torsion coil spring 6 is provided with a locking portion 4 that engages with a locking portion 3 on the other end thereof, and is swingably supported by a shaft 5 in the central portion and is attached to this shaft 5. Some devices have a torsion coil spring 6 that urges the lock portion 4 to engage with a mating lock engaging portion.

The former has the drawbacks of low device cost and poor operability, while the latter has the drawbacks of a large number of parts and troublesome assembly.

This invention was made to solve the above-mentioned conventional drawbacks, and the object is to provide a lid locking member that is easy to operate and is inexpensive.

This purpose consists of an opening/closing operation handle that extends on the front side of the lid that can be opened and closed with respect to the base opening, and an opening/closing handle that extends on the opposite side of the opening and closing operation handle and on the back side of the lid. A lid lock that integrally includes a lock portion that engages with a lock retaining portion on the base body side when closed, and is pivotally supported on the lid body in a portion between the opening/closing operation handle portion and the lock portion. In the member, the spring part that biases the hook part in the direction of engagement with the lock retaining part is raised from a position between the opening/closing operation handle part and the lock part, and is distantly related to the lid locking member. .

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 3 is a perspective view showing an embodiment of the lid locking member according to the present invention.

As shown in this figure, the lid locking member 10 has a thick plate bent at a substantially right angle in the center, and has a wide opening/closing handle portion 11 at one end. A hook-shaped lock portion 12 is formed on the opposite side, and a pair of swing shafts 13 protrude laterally from the central bent portion.

In addition, the center portion of the locking portion 12 excluding the tip portion has a leaf spring 14 integrally formed with the main body of the locking member 10 in a shape that is cut upward as shown in the figure.

This locking member 10 has a swing shaft 13 mounted on a bearing portion 16 formed on the back side near the rotating end of the lid body 15 shown in FIG.
is fitted, and the opening/closing operation handle part 11 is inserted into the opening 17 formed near the bearing part 16 and protrudes into the recess 18 formed on the front side of the lid body 15, and the lock part 12 is inserted into the opening 17 formed near the bearing part 16. It is located at the back of the

At this time, the leaf spring 14 is connected to the tip of the lock portion 12 and the lid body 15.
It will be located between the back side of

Reference numeral 19 in the figure indicates a hinge attached to the base end side of the lid body 15.

Next, the operation of this embodiment will be explained.

As shown in FIG. 5, the lid 15 is pushed in from the open position in a direction to close the opening 21 of the base body 20.

When the lid 15 is pushed in the closing direction, the lock portion 12 at the tip of the lock member 10 first comes into contact with the slope 23 of the lock engaging portion 22 formed on the inner edge of the opening 21 and is pushed counterclockwise in the figure. The leaf spring 14 will be pressed against the upper end of the slope 23.

(See FIG. 6) From this state, when the lid 15 is further pushed in against the repulsive force of the leaf spring 14, the lock portion 12 of the lock member 10 gets over the lower end of the lock engaging portion 22, and the lock portion 1
The second hook engages with the lock retaining portion 22.

At this time, the leaf spring 13 urges the lid body and the lock member 10 clockwise in the figure, so that the lock portion 12 is elastically engaged with the lock retaining portion 22.

To open the lid 15, insert your finger into the recess 18 and lift the opening/closing operation handle 11, and the locking member 10 will release the leaf spring 1.
The lock part 1 is rotated counterclockwise in the figure against the rotation angle 4.
2 will be removed from the lock retaining portion 22.

In this embodiment, since the leaf spring 14 can be formed integrally with the main body of the locking member, there is an advantage that the locking member can be manufactured at low cost if it is made of synthetic resin.

In the above-mentioned embodiment, the lock engaging part is formed at a place slightly deeper from the opening 21 of the base body 20, but this is because the lock engaging part 2 is formed directly on the edge of the opening 21 as shown in FIG.
2A may also be used.

In this case, the distance between the locking portion tip of the locking member 10 and the leaf spring 14 needs to be smaller than the thickness equivalent portion of the lock retaining portion 22A.

In the embodiment described above, the plate spring 14 is formed integrally with the main body of the locking member, and as shown in FIG. It may be something like this.

This embodiment has the advantage that the manufacturing cost is higher than the above two embodiments, but the strength of the leaf spring is increased and replacement is easy.

Although the plate-shaped spring steel of the embodiment shown in Fig. 9 is used,
As shown in FIG. 10, a spring member 14A formed by bending a wire into a rectangular shape and having a shape substantially the same as the outer peripheral shape of the leaf spring 14 or 14A may be attached to the lock member body.

Reference numeral 24 in the figure indicates a pin for fitting the base end of this spring member 14B.

This embodiment has the advantage of being cheaper than the embodiment shown in FIG. 9.

In each of the above-mentioned embodiments, the leaf springs 14, 14A or the spring member 14B come into contact with a part of the base 20 when the lid 15 is closed. The lock portion 12 may be biased toward the lock retaining portion.

As mentioned above, this idea consists of an opening/closing handle that extends on the front side of the lid that can be opened and closed with respect to the base opening, and an opening/closing handle that extends on the back side of the lid on the opposite side of the opening/closing handle. and is integrally provided with a lock part that engages with the lock retaining part on the base body side when the lid body is closed, and is pivotally supported on the lid body in a portion between the opening/closing operation handle part and the lock part. In the locking member of the lid body, the spring part that biases the hook part in the direction of engaging with the lock retaining part is made to stand up from the position between the opening/closing operation handle part and the lock part, so that operability is improved. It has the excellent effect of being easily manufactured at low cost without any deterioration, and being easy to assemble.

[Brief explanation of drawings]

1 and 2 are perspective views showing a conventional lid locking member, FIG. 3 is a perspective view showing an embodiment of the lid locking member according to the present invention, and FIG. 4 is a lid locking member according to the present invention. FIGS. 5 to 7 are sectional views of essential parts to explain the operation of the same embodiment. FIG. 8 is a sectional view of essential parts showing another embodiment of the present invention. 9 and 10 are perspective views showing third and fourth embodiments of the present invention. DESCRIPTION OF SYMBOLS 10... Lock member, 11... Opening/closing operation handle part, 12... Lock part, 13... Curved swing axis, 14.14 A, 14 B... ... Spring part, 15 ... Lid body, 17 ... Curved frontage.

Claims (1)

[Scope of utility model registration request] In a device provided with a lid that can be opened and closed with respect to a base opening, an opening into which a locking member can be inserted is bored in the lid, and the locking member is formed of an operating handle portion, a pivot portion, and a hook portion. a spring portion, one end of which is supported near a pivot portion of the lock portion, which extends to a side opposite to the operating handle portion of the lock portion, and is provided to face a hook portion of the lock portion; The locking member is pivotally connected near the opening of the lid body by the pivot joint, the operating handle portion is attached to the surface of the lid body, and the hook portion and the spring portion are attached to the lid body. By positioning it on the back surface and always biasing the spring portion toward the hook portion, the locking member of the lid comes into contact with the portion of the base opening when the lid is closed with respect to the basic opening. A lid locking member characterized in that a lock retaining portion of the provided basic opening is held between a hook portion and a spring portion of the locking member.