JPS636997Y2 - - Google Patents

Description

[Detailed Description of the Invention] (a) Field of the Invention The present invention relates to a mounting structure for a lid that can be opened and closed for containers such as air pots and electric pots.

(b) Prior art and its problems Conventionally, for example, the lid 1 of an air pot, as shown in FIG. By pressing the hinge cover 4 in the direction of the arrow against the torsion spring 5, the hook portion 4a of the hinge cover 4 opens the support shaft 1a of the lid 1, making the lid 1 detachable.

However, in the above case, in order to make the lid 1 openable and detachable, the support shaft 1a is provided on the lid 1, and the torsion spring 5 is arranged inside the hinge cover 4, so the hinge part 3 is attached to the container. It had to be constructed so as to protrude greatly from the outer surface of the main body 2, which not only spoiled the appearance but also had the disadvantage that foreign objects could come into contact with it, resulting in poor stability.

(c) Purpose of the invention The present invention was made in view of the above-mentioned drawbacks of the prior art, and its purpose is to provide a lid for a container that can be opened, closed, and detached without the hinge portion protruding outward. The purpose is to provide a mounting structure.

(d) Structure of the device In order to achieve the above object, the present invention pivots a hinge piece to one of the container body or the lid, and provides a recess in the other side into which the hinge piece is inserted vertically. By pressing and bending a portion of the hinge piece, the hinge piece can be inserted into and removed from the recess.

(E) Description of Embodiments FIGS. 2 to 5 show an electric air pot according to a first embodiment of the present invention, in which a resin annular shoulder body 11 is fixed to the upper end of a container body 10. A metal medium container 13 is held inside the upper end of the shoulder body 11 with a packing 12 interposed therebetween. This medium container 1
An electric heater (not shown) is attached to the lower outer periphery of 3. A pouring unit 14 is detachably attached to the front end of the shoulder body 11. This spout unit 14 includes a unit body 15, a safety valve 16 movably housed inside the unit body, and a spout pipe 1.
7, and by inserting it into the front end of the shoulder body 11, it is connected to a water supply pipe 18 communicating with the bottom of the medium container 13.

A hinge support part 19 is integrally provided at the rear end of the shoulder body 11, and the lid body 21 can be opened and closed as shown by the dashed line in FIG. It is set freely.

At the front end of the lid 21, as shown in FIG.
The hook members 22 are provided independently. This hook member 22 is rotatably attached to the inside of the lid body 21 by its shaft portion 23, and is biased by a torsion spring 26 so that the pressing portion 24 protrudes to the outer surface of the lid body 21. . Hook member 2
The second hook claw 25 is attached to the shoulder body 11 by a torsion spring 26.
The lid body 21 is always engaged with an engaging claw 27 protruding from the lid body 21, and the lid body 21 is held in a closed state. Then, by simultaneously pressing the pressing portions 24 of the hook members 22 on both sides and removing the hook claw 25 from the engagement claw 27,
The lid body 21 can be opened. By providing the two hook members 22 independently on both sides of the lid body 21 as described above, the space between them is reduced to the size of the pouring unit 14.
It can be effectively used to accommodate.

An air pump 28 is housed inside the lid 21, and a pusher 29 for compressing the air pump 28 projects from the top surface of the lid 21. A metal inner cover 31 having a ventilation hole 32 for sending pressurized air from the air pump 28 into the inner container 13 is fitted to the bottom plate 30 of the cover body 21. The annular packing 33 is crimped onto the upper end surface of the middle container 13.

A hinge mechanism is provided at the rear end of the lid 21 to attach the lid to the container body 10 so that the lid can be opened/closed and detached. That is, as shown in FIG. 4, the rear end of the lid body 21 has a gate-shaped recess 34, a circular exposure hole 35, and a gate-shaped protrusion 3 on the inner surface of the recess 34.
6 and a stepped portion 37 is formed on the inner surface of the convex portion 36. On the other hand, a hinge piece is pivotally attached to the shoulder body 11 by a support shaft 20. This hinge piece consists of a first hinge piece 38 and a second hinge piece 44 as shown in FIG. 5, and a support shaft 2 is attached to the lower end of the first hinge piece 38.
0, a flange 40 that fits into the recess 34 on the outer periphery, and a through hole 4 in the center.
1, cutout portions 42 are formed on both sides thereof, and a bridge portion 43 is formed on the lower inner surface. The second hinge piece 44 has a pressing part 45 at the upper part and a claw part 46 which is a hook part protruding to both sides, has a stopper 47 protruding from the inner surface of the central part, and has a bearing part 48 at the lower part. are doing. The first and second hinge pieces 38 and 44 are in a combined state as shown in FIG. .

Now, the hinge piece 3 pivotally attached to the shoulder body 11
When the recess 34 of the lid body 21 is inserted from above 8, 44, the collar portion 40 is slidably inserted into the recess 34, and the claw portion 46 slides against the inner surface of the convex portion 36 of the lid body 21 while sliding against the inclined surface 36a. It rides on and elastically fits into the stepped portion 37. As a result, the hinge pieces 38, 4
4 is prevented from coming off from the recess 34, and the pressing portion 45 is exposed to the outside from the exposure hole 35.

By attaching the hinge pieces 38 and 44 to the recess 34 of the lid body 21 as described above, the hinge piece 3
The lid body 21 and the shoulder body 11 are connected via 8 and 44. On the other hand, in order to separate the lid body 21 from the shoulder body 11, the lid body 21 is opened as shown by the dashed line in FIG. The second hinge piece 44 is pushed inward using the bridging part 43 as a fulcrum, the claw part 46 is removed from the step part 37, and the lid body 21 is pulled up, so that the hinge pieces 38, 44 come out of the recess 34, and the lid is removed. The body 21 can be separated.

As shown by the solid line in FIG. 2, even if the pressing part 45 of the second hinge piece 44 is pressed with the lid body 21 closed, the stopper 47 protruding from the inner surface of the second hinge piece 44 will not touch the shoulder body. 11 , deformation of the second hinge piece 44 is restricted, and the claw part 46 does not come off from the step part 37 . Therefore, even if a foreign object hits the pressing part 45 during use (when the lid is closed), there is no risk that the lid 21 will come off, so it is safe. Claw portion 46
The hinge piece 4 is not limited to the one integrally molded with the hinge piece 44 as in the embodiment, but a separate part with strong strength such as metal is used as the hinge piece 4.
It may be fixed to 4.

6 to 14 show a second embodiment of the present invention. In this embodiment, a recess 34 with an open bottom that also serves as an exposure hole is provided in the lid body 21 as shown in FIGS. 7 to 9.
and a step 37 above the recess, and the first hinge piece 38 has a slide groove 4 on its outer periphery that engages with the inner edge of the recess 34, as shown in FIGS. 10 to 12.
0, a through hole 41 in the center, and a bearing part 39 in the lower part.
and is provided. Further, the second hinge piece 44 is connected to the first hinge piece 44.
As shown in FIGS. 3 and 14, there is a pressing part 45 in the center,
A claw part 46 which is a hook part on the upper part, and a bearing part 4 on the lower part.
8 each.

To assemble the hinge mechanism configured as described above, first, the second hinge piece 44 is combined with the first hinge piece 38, and then pivotally attached to the container body by the support shaft 20. When the first hinge piece 38 is inserted into the recess 34 from below, the slide groove 40 and the inner edge of the recess 34 slide into engagement, and the claw part 46 of the second hinge piece 44 engages with the step part 37 above the recess 34. both hinge pieces 3
8 and 44 are prevented from coming off from the lid body 21. Thereby, the lid 21 is attached to the container body so as to be openable and closable. To separate the lid body 21, press the pressing part 45 to bend the second hinge piece 44 inward, remove the claw part 46 from the stepped part 37, and recess the first and second hinge pieces 38, 44. Just pull it out from place 34.

15 to 21 show a third embodiment of the present invention. In this embodiment, the lid body 21 is provided with the recess 34 and the exposure hole 35, and the hinge piece 50 is constructed as a single item, and the hinge piece 50 includes a flange 51 that slides into the recess 34, and a cutout. A pressing portion 53 provided with elasticity by a groove 52 and a bearing portion 54 are provided. By inserting this hinge piece 50 into the recess 34, the collar portion 51 slides into engagement with the recess 34, and the pressing portion 53 fits into the exposure hole 35 to prevent it from coming off. In order to separate the lid body 21, the pressing portion 53 may be bent to remove it from the exposure hole 35, and the hinge piece 50 may be pulled out from the recess 34.

In the above case, the exposure hole 35 of the lid body 21 also serves as a step part, and the pressing part 53 of the hinge piece 50 also serves as a hook part, so the structure is extremely simple.
It has the advantage of being easy to mold.

In each of the above embodiments, a recess is formed in the lid body and a hinge piece is pivotally attached to the container body, but in contrast to this, a recess is formed in the container body,
A hinge piece may be pivotally attached to the lid.

(f) Effects of the invention As described above, according to the invention, in order to make the lid body openable and detachable, a hinge piece is pivotally attached to one of the container body or the lid body, and this hinge piece is attached to the other side. By providing a recess in which the pieces can be inserted and removed in the vertical direction, the thickness of the hinge mechanism can be minimized, and the hinge part does not protrude outward as much as in the past, giving it a good appearance and superior stability. You can get a container with

[Brief explanation of the drawing]

Fig. 1 is a partially sectional side view of an example of a conventional air pot, Figs. 2 to 5 show a first embodiment of the present invention, and Fig. 2 is a top sectional view of an example in which the present invention is applied to an electric air pot. Figure 3 is a sectional view taken along the line - - in Figure 2, Figure 4 is a partially exploded perspective view of the lid and hinge piece, Figure 5 is an exploded perspective view of the hinge piece, Figures 6-
Fig. 14 shows a second embodiment of the present invention, Fig. 6 is a sectional view of the hinge mechanism, Figs. 7 to 9 are front and rear views of a part of the lid, and - 10 to 12 are front views, rear views, and right side views of the first hinge piece; FIGS. 13 and 14 are front views, center longitudinal sectional views, and 15 figure~
FIG. 21 shows a third embodiment of the present invention, FIG. 15 is a sectional view of the hinge mechanism, FIGS. 16 to 18 are a front view, rear view, and bottom view of a part of the lid,
Figures 1 to 21 are a front view, a right side view, and a rear view of the hinge piece. DESCRIPTION OF SYMBOLS 10... Container main body, 11... Shoulder body, 19... Hinge support part, 20... Support shaft, 21... Lid body, 34
... recess, 35 ... exposure hole, 37 ... step, 38
...First hinge piece, 39... Bearing part, 44... Second hinge piece, 45... Pressing part, 46... Claw part (hanging part), 48... Bearing part, 50... Hinge piece,
53... Pressing part, 54... Bearing part.

Claims (1)

[Scope of utility model registration request] In a container in which a lid that covers the top surface of the container body is attached to the container body so as to be openable and closable, a hinge piece having a pressing portion and a hook portion is pivotally attached to one of the container body or the lid, and the hinge piece is pivotally attached to the other side. A recess into which the hinge piece is vertically inserted, an exposed window through which the pressing part is exposed to the outside, and a step part into which the hook part is elastically engaged are formed, and the hinge piece is inserted into the recess. A lid body for a container in which the hook elastically engages with the stepped portion to prevent it from falling out, and the hook is detached from the stepped portion by pressing the pressing portion and bending the hinge piece. Mounting structure.