JP3184494B2 - Liquid container lid hinge structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge structure for a lid of a liquid container.

[0002]

2. Description of the Related Art As shown in FIG. 6 , a lid hinge structure of a liquid container such as an electric water heater or an electric water heater type humidifier is provided with a hinge receiving portion 2 at a part around an opening of a container main body 1. The hinge pin 4 of the lid 3 is rotatably fitted in the hinge receiving portion 2. The hinge receiving part 2 is provided with an opening part 5 for detachably attaching the lid 3 to the container body 1, and a lock member 6 for locking the hinge pin 4 so as not to come off from the hinge receiving part 2. , Provided on the container body 1.

[0003] The lock member 6 is provided with an open portion 5 of the hinge receiving portion 2.
Is mounted so as to be slidable in the vertical direction along the front surface of the device, and is urged upward by a coil spring 7 interposed at the lower end thereof. In a normal state, the lock member 6 closes the open portion 5 and The hinge pin 4 is locked to prevent the hinge pin 4 from coming off.

[0004] The lock member 6 is lowered by operating an operation button or an operation lever from outside the container body 1. The lock is released by the lowering, and the lid 3 can be removed from the container body 1.

[0005]

In the above-mentioned lid hinge structure, when the lid 3 is opened by pivoting around the hinge constituted by the hinge receiving portion 2 and the hinge pin 4, a large load is applied to the lid 3. When applied, 2 6
As indicated by the dashed line, the hinge pin 4 may push the lock member 6 outward to bend the lock member 6. When the bending is increased, the hinge pin 4 may come off the hinge receiving portion 2.

Accordingly, an object of the present invention is to provide a lid hinge structure of a liquid container in which the hinge pin 4 is hardly detached by improving the strength of the lock member 6 without changing the material and thickness thereof.

[0007]

In order to solve the above problems,
According to the present invention, a hinge receiving portion is provided in a part around an opening of a container body, a hinge pin of a lid is rotatably fitted into the hinge receiving portion, and an open portion of the hinge receiving portion is provided on the container body. In the lid hinge structure of the liquid container, which is closed by a movable lock member and applies an upward urging force to the lock member, the upper end of the lock member protrudes.
And a slit in a part of the hinge receiving part.
Or cut the provided the collision upon upward movement of the locking member
The piece was fitted into the slit or cut .

[0008]

Further, the lock member is provided with an inclined cam portion inclined at a predetermined angle with respect to the direction of vertical movement of the lock member, so that an operating member abutting on the inclined cam portion can be slid horizontally on the container body. It is also possible to adopt a configuration attached to the device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to an electric water heater type humidifier shown in the accompanying drawings. In this humidifier, as shown in FIGS. 1 and 2, an inner container 12 with a heater is housed inside a container body 11, and an opening 13 is closed by a lid 14 which is attached to the container body 11 so as to be openable and closable. ing. The hinge 15 of the lid 14 is provided at the rear of the periphery of the opening 13, and a steam port 16 is provided above the container body 11 behind the hinge 15.

The steam port 16 includes steam passages 17 and 17 ′ provided inside the lid 14 and the container body 11, and the container body 1.
The steam generated by boiling the hot water in the inner container 12 is blown out to the outside by communicating with a blowing passage 19 of a blowing device 18 provided in the inside of the device 1.

FIG. 3 shows details of the hinge portion 15 and its vicinity. A recess 21 is provided at the rear of the inner peripheral surface of the opening 13 of the container body 11, and a hinge receiving portion 22 which constitutes one of the hinge portions 15 is provided above the recess 21. The other of the hinge portions 15 is constituted by hinge pins 23 provided at the rear end of the lid 14.

The hinge receiving portion 22 is composed of a pair of left and right lower receiving pieces 24 formed on the lower side, and an upper cover piece 25 formed to extend upward from the lower receiving pieces 24. Is open. A left-right slit 26 is formed in the upper cover piece 25. This slit 2
6 is provided at a position offset from the position where the hinge pin 23 is fitted (inward of the opening 13, see FIG. 4A).

Both ends of the hinge pin 23 are supported by a pair of support arms 27 provided on the lid 14 and are rotatably fitted into the hinge receiving portion 22. The hinge pin 23 fitted in the hinge receiving portion 22 is positioned in the left-right direction by the support arm 27 described above.

In the lower part of the recess 21, the container body 11 is provided.
A steam passage 17 ′ is provided on the side of the lid 14, and a packing 28 attached to the inner end of the steam passage 17 ′ is in close contact with the outlet of the steam passage 17 on the lid 14 side.

A plate-like locking member 29 is provided between the packing 28 and the hinge receiving portion 22 so as to be slidable in the vertical direction. This lock member 29
Both side surfaces thereof are guided by both inner side surfaces of the recess 21 of the container body 11, and are urged upward by the coil spring 31 interposed between both end portions of the lower end side and the lower surface of the recess 21. You.

A projecting piece 32 is formed upward at the center of the upper end side of the lock member 29, and the projecting piece 32 can enter and exit the slit 26 from below.
In a normal state, the protruding piece 32 is in a locked state where it is moved upward by the spring force of the coil spring 31 and the hinge receiving portion 2
The front opening 2 is closed to prevent the hinge pin 23 from coming off.

The rear surface of the lock member 29 has an inclined cam portion 33 inclined at an angle of about 45.degree.
Is provided.

A slide shaft 35 as an operating member having a pressing surface 34 which comes into surface contact with the upper surface of the above-mentioned inclined cam portion 33.
Is provided on the container body 11. This slide shaft 35 is
It has a knob 36 exposed on the upper surface of the container body 11, and an L-shaped portion extending downward from the knob 36 is the concave portion 2.
The pressing surface 34 is formed so as to protrude from the inner side surface of the base member 1 and form a tip portion thereof. When the slide shaft 35 is advanced, the inclined cam portion 33 is pressed down by the pressing surface 34, and the lock member 29 is moved downward. The downward movement of the lock member 29 causes the protruding piece 32 to slip out of the slit 26 and open the front surface of the hinge receiving portion 22.

A lock cover 37 which contacts the front surface of the lock member 29 and guides the vertical movement thereof is fixed to the inner peripheral surface of the opening 13 by screws 38. The lock cover 37 has a semicircular notch 39 for receiving the upper half of the packing 28, and closes the front surface of the recess 21.

The hinge structure of the lid according to the embodiment is as described above. When the lid 14 is closed, FIG.
As shown in (b), the lock member 29 is a coil spring 31
, And closes the front surface of the hinge receiving portion 22, and the protruding piece 32 fits into the slit 26.

As a result, the hinge pin 23 is locked by the hinge receiving portion 22, and the lid 14 is prevented from coming off. When the lid 14 is opened, the load applied to the lock member 29 via the hinge pin 23 is such that the projecting piece 32
It is received by engaging with the inner surface of. Protruding piece 32
The strength of the lock member 29 is greatly increased as compared with a conventional structure in which the lock member 29 is free without being fitted into the slit 26.

When the cover 14 is removed, as shown by an arrow in FIG.
Is advanced, the inclined cam portion 33 is pressed down by the pressing surface 34, the lock member 29 is moved down, the protrusion 32 is pulled out from the slit 26, and the front surface of the hinge receiving portion 22 is opened. Thereby, as shown in FIG. 4C, the hinge pin 23 is pulled out of the hinge receiving portion 22 and the lid 14 is removed.
Can be removed, and the lid 14 can be attached in the same manner.

In the above embodiment, the lock member 2
9 in which the projections 32 are provided in the hinge receiving portion 22.
The lock member 29 is inserted into the hinge pin 2
Although it is reinforced so that it does not bend due to the load of 3,
As another means for reinforcing the lock member 29, a structure as shown in FIG. 5 may be employed.

That is, in the structure of FIG. 5, notches 41 are formed at both ends of the hinge receiving portion 22, and the projections 32 provided at two places on the upper end side of the lock member 29 are fitted into the notches 41 from below. der those so as to engage Te Ru.

In short, in order to reinforce the lock member 29, the projecting piece 32 provided on the upper end side of the lock member 29 is used.
The slit 2 provided in a part of the hinge receiving portion 22.
It is sufficient to fit into the 6 or notches 41.

[0027]

As is evident from the foregoing description, the present invention is a protrusion provided on the locking member for preventing the escape of the hinge pin closes the opening portion of the container body side of the hinge receiving portion, provided the projecting piece to the hinge receiving portion the Rukoto is fitted in the slit or cut, it was possible to increase the strength of the locking member without changing the material and thickness of the locking member. As a result, even when a large load is applied to the opened lid, the lock member does not bend and the risk that the lid comes off is eliminated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a humidifier according to an embodiment.

FIG. 2 is a sectional view of the above.

FIG. 3 is an exploded perspective view of a hinge portion of the same.

4A is a cross-sectional view of the same hinge part in a locked state; FIG. 4B is a partially cutaway front view of the same hinge part in a locked state; FIG. 4C is a cross-sectional view of the same hinge part in an unlocked state; Partially cutaway front view of unlocked hinge part

FIG. 5 is an exploded perspective view of a modified example of a hinge portion.

FIG. 6 is a sectional view of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Container main body 12 Inner container 13 Opening 14 Lid 15 Hinge part 16 Steam port 17, 17 'Steam passage 18 Blower 19 Blowing passage 21 Depression 22 Hinge receiving part 23 Hinge pin 24 Lower receiving piece 25 Upper covering piece 26 Slit 27 Support Arm 28 Packing 29 Lock member 31 Coil spring 32 Projection piece 33 Inclined cam part 34 Pressing surface 35 Slide shaft 36 Knob 37 Lock cover 38 Screw 39 Notch 41 Notch

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-354911 (JP, A) JP-A-4-61830 (JP, A) JP-A-9-23983 (JP, A) 91433 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47J 27/00-27/21

Claims (2)

(57) [Claims] A hinge receiving portion is provided in a part of a periphery of an opening of a container body, a hinge pin of a lid is rotatably fitted in the hinge receiving portion, and an opening portion of the hinge receiving portion is provided in the container body. The lid hinge structure of the liquid container, which is closed by a vertically movable lock member and applies an upward urging force to the lock member, the upper end of the lock member
Provided with a protrusion on the side, the scan to a portion of the hinge receiving portion
A lid hinge structure for a liquid container, wherein a lit or a cut is provided, and the projecting piece is fitted into the slit or the cut when the lock member is moved upward. 2. The lock member according to claim 1, wherein said lock member is provided with an inclined cam portion inclined at a predetermined angle with respect to a direction of vertical movement of said lock member. 2. The lid hinge structure for a liquid container according to claim 1, wherein the lid hinge structure is attached to the lid.