JPH071080Y2 - Lid mounting structure for heat insulation container - Google Patents

Description

[Detailed Description of the Invention] (a) Field of Industrial Use The invention is, for example, for keeping the temperature of a beer or a beverage enclosed in a paper pack as a container, or a liquid such as a soft drink. The present invention relates to a lid mounting structure for a heat-retaining container that is directly poured into a container to keep it warm.

(B) Conventional technology Conventionally, the heat insulation container used for heat insulation of the beer and the like in the above-mentioned example has a wide mouth formed by opening the entire upper surface of the heat insulation container in order to easily put in and out a large number of containers. Since the lid is fitted, the outer peripheral edge portion between the mouth of the heat insulating container and the lid is, for example, three or four so that the lid does not easily come off due to vibration or shock during transportation. It is firmly fixed with multiple stoppers.

However, if all of the multiple parts of the lid are fixed with the stopper, when fixing the lid to the mouth of the heat-insulating container, it takes time to fix and release the stopper, and the lid is quickly removed. It is difficult to perform, and when each stopper is fixed in order from one side of the heat retaining container, the other side of the lid is not locked or engaged, so due to uneven tightening force, the mouth of the heat retaining container and the lid may not fit. There is a problem in that the mating positions are displaced and the mating surfaces are fixed with a slight gap formed therebetween, and the heat retaining power of the heat retaining container is impaired.

(C) Purpose of the invention This invention makes it possible to quickly and easily attach and detach the lid, and also to securely seal the mouth of the container body with the lid, and moreover, to the container body. Provided is a lid mounting structure for a heat insulation container, which secures a structure for attaching and detaching the container body and the lid body regardless of the position of the container being rotated at equal intervals in the horizontal plane, and greatly improving the handleability of the lid body. With the goal.

(D) Configuration of the invention This invention is to provide a lid fitted into an opening opened in the container body, and a neck portion is provided at a plurality of circumferentially equidistant portions in the outer peripheral portion of the lid. And the plurality of neck portions and the locking projections are formed in the same shape, while the container body is provided with one of the locking projections. Corresponding to the locking projection, an annular engaging portion having a locking shaft serving as a pivotal fulcrum of the neck portion is integrally projectingly formed, and corresponding to the remaining locking projection, the neck It is characterized in that it is a lid mounting structure of a heat insulation container to which a capping tool having a locking ring for locking the portion is mounted.

(E) Action of the Invention According to this invention, one locking projection projecting on the lid is engaged with the annular engaging portion projecting on the mouth of the container main body so that After fitting the lid, the remaining locking projections are fixed by the stopper on the container body side.

On the other hand, when removing the lid from the container body, after releasing the fixing by the stopper, the locking protrusion protruding from the lid and the annular engaging portion protruding from the mouth of the container body are removed from each other. To separate.

(F) Effect of the invention As described above, one of the plurality of fixing positions for fixing the mouth portion of the container body and the lid is engaged, so that the stopper is fixed and released at the remaining fixing positions. By simply performing the operation, the lid can be quickly and easily attached and detached, and the container such as canned beer stored in the heat-insulating container can be quickly put in and taken out.

Further, in the annular engaging portion projecting on the mouth of the container body described above,
When the lid is fixed to the mouth of the container main body by engaging the locking protrusion protruding from the lid, it serves to prevent the fitting position between the mouth and the lid from shifting, and The mouth of the can be securely sealed with a lid, and since there is no gap between the mating surfaces, the heat retaining capacity of the heat retaining container is not impaired, and the container such as canned beer stored in the heat retaining container is kept warm for a long time. be able to.

Moreover, since the above-mentioned neck portion and the locking projections which are formed on the lid body at equal intervals on the circumference are configured to have the same shape, the lid body can be positioned at any position at equal intervals on the horizontal plane in the horizontal plane with respect to the container body. Even if the container body is rotated, the attachment / detachment structure between the container body and the lid body is secured. As a result, there is an effect that the handleability of the lid body, particularly the handleability of the lid body when the lid is closed is significantly improved.

(G) Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

The drawings show a lid mounting structure of a heat insulation container used for heat insulation of canned beer and the like, and in FIG. 1 and FIG.
Is a container body 2 formed in a bottomed cylindrical shape, a substantially circular lid 3 that seals the mouth 2a opened on the upper surface of the container body 2, and the lid 3 and the mouth 2a. The container body is composed of a plurality of stoppers 4 and 4 fixed in an airtight state, a synthetic resin or stainless steel medium container 5 and a protective container 6 (see FIG. 3) housed in the container body 2, and the container body described above. A grip portion 2b is pivotally attached to the upper outer peripheral surface of 2, and a spout 2c is provided on the lower outer peripheral surface so as to communicate with the inside of the container.

As shown in FIG. 3, the container body 2 described above has an opening 2a formed by opening the entire upper surface of a cylindrical portion 7 made of synthetic resin, and the outer peripheral edge portion of the cylindrical portion 7 is made of stainless steel or the like. The upper edge of the opening of the cylindrical frame 8 formed of a metal member is fitted in an airtight state, and the outer peripheral edge of the bottom portion 9 formed of synthetic resin is fitted in an airtight state on the lower edge of the opening of the cylindrical frame 8. I'm wearing it.

Further, the upper edge of the opening of the inner container 10 formed of a metal member such as aluminum in a cylindrical shape with a bottom is fitted to the inner peripheral edge of the cylindrical portion 7 in an airtight state.

The space formed by the inner peripheral surfaces of the cylindrical frame 8 and the bottom 9 and the outer peripheral surface of the inner container 10 is uniformly filled with a urethane material 11 as a heat insulating material.

In the above-mentioned cylindrical portion 7, two parallel locking projections 7a, 7a are formed in the vertical direction at the inner circumferential surface positions facing each other on the same circumferential surface, and the locking projections 7a, 7a are also formed. Is formed by notching the middle part of the upper and lower parts, and the upper and lower parts of the locking protrusions 7a, 7a divided into the upper and lower parts and the step part 7b formed on the inner peripheral edge of the cylindrical part 7 are divided into two parts. The collar portion 5a of the inner container 5 formed of a synthetic resin or a metal member such as stainless steel is locked.

On the other hand, notches 5b and 5b that engage with the locking protrusions 7a and 7a are formed at both sides of the flange 5a formed on the outer peripheral edge of the inner container 5, and the flange 5a is locked. By engaging with the projections 7a, 7a, the middle container 5 is movably provided to the upper side or the lower side.

As shown in FIGS. 1 and 3, the lid body 3 is blow-molded with synthetic resin to a size that fits into the mouth portion 2a of the container body 2 described above. Is substantially integrally formed in a radial direction at each position that divides the circle into three equal parts in the circumferential direction through a neck portion 3b, and a total of three neck portions 3b and locking portions are formed. The protrusions 3a have the same shape.

On the other hand, on the outer peripheral edge of the mouth 2a into which the lid 3 is fitted, one locking protrusion 3a protruding from the lid 3 is engaged at each position corresponding to each of the locking protrusions 3a. One annular engaging portion 12 that fits is projected, and each capping tool 4, 4 that fixes the remaining two respective locking projections 3a, 3a is provided with two respective holding portions 13, which are projected on the outer peripheral edge portion. 13 are attached respectively.

In addition, in the fitting concave surface of the lid body 3 that fits with the above-mentioned mouth portion 2a,
An annular packing 14 made of synthetic rubber is fitted.

As shown in FIG. 4, the above-mentioned annular engaging portion 12 has two support plates 12a, 12a at the outer peripheral edge of the above-mentioned mouth portion 2a at intervals such that the above-mentioned locking protrusion 3a can be inserted. Separately and the container body 2
Of the support plate 12a, 12a extending in parallel upward from the mouth 2a of the lid 2a, which is a predetermined distance from the outer peripheral edge of the mouth 2a through which the locking protrusion 3a of the lid 3 can be inserted. A locking shaft 12b, which locks the upper surface of the tip of the locking protrusion 3a and serves as a pivot for the neck 3b, is horizontally installed at height positions spaced apart from each other.

The distance between the locking shaft 12b and the outer peripheral edge of the mouth 2a is set to a distance at which the locking protrusion 3a locked to the locking shaft 12b can be rotated along the circumferential surface of the shaft. is doing.

The holding portion 13 is provided on the outer peripheral edge of the mouth portion 2a so that the engaging surfaces of the engaging claws 13a ... At the center of the claws 13a, a recess for fitting with an upper support shaft 4b of the lock lever 4a, which will be described later, is formed, and the side surfaces of the upper and lower locking claws 13a are connected to the upper support shaft 4b of the lock lever 4a. The opening is made slightly narrower, and the tapered surface is formed so as to widen outward.

As shown in FIG. 3, the above-described stopper 4 has a structure as shown in FIG.
At the center of the lock lever 4a that makes up the
While supporting the base end of the locking ring 4c that locks to 3b,
The support shaft 4b formed on the top of this lock lever 4a
Each of the locking claws 13a of 13 is fitted and attached.

The illustrated embodiment is constructed as described above, and the lid 3 will be described below.
The attachment / detachment operation will be described.

First, as shown in (a) of FIG. 4, the mouth portion of the container body 2
One locking projection that is projected on the lid 3 from an obliquely upper front portion of the heat insulation container 1 or from the horizontal direction on the annular engaging portion 12 that projects on the 2a.
The lid 3 is inserted through 3a, and the lid 3 is rotated downward as shown in FIG. 2B, and the neck portion 3b of the lid 3 is attached to the lower shaft peripheral surface of the locking shaft 12b of the annular engaging portion 12. The mouth 2a of the container body 2 in the locked state
The lid body 3 is fitted to.

After this, as shown in FIG. 3, the neck portions 3b, 3b of the remaining two respective locking projections 3a, 3a projecting from the lid body 3 are attached to the stoppers 4, 4 attached to the container body 2. After locking the locking rings 4c, 4c, the free ends of the lock levers 4a, 4a are rotated by rotating the locking levers 4a, 4a to the container main body 2 side, and as shown in FIG. The mouth 2a and the lid 3 can be fixed in an airtight state.

When removing the lid 3 from the mouth 2a of the container body 2,
Rotate the free end side of each lock lever 4a, 4a to the side and remove each locking ring 4c, 4c from each neck 3b, 3b to remove each stopper 4,
After releasing the fixation by 4, the open side of the lid 3 is rotated to the back of the container body 2 with the neck 3b of the lid 3 locked to the locking shaft 12b of the annular engaging portion 12. The rotation of the locking projection 3a is allowed along the substantially circumferential surface of the locking shaft 12b, and the locking shaft 12b of the annular engaging portion 12 and the locking projection 3a of the lid 3 and the neck portion 3 are allowed.
Since the locking position with b is reversed to the peripheral surface of the upper shaft and the locking is released, it can be easily removed from the container body 2 simply by lifting the lid body 3, as shown in FIG. A container of canned beer or the like can be taken out from the opened container body 2.

In this manner, the annular engaging portion 12 protrudingly provided on the mouth portion 2a of the container body 2
And one locking projection 3a protruding from the lid body 3 are engaged with each other, so that the remaining locking projections 3a, 3a can be simply operated by simply fixing and unlocking the respective stoppers 4,4. The lid 3 can be quickly and easily attached and detached, and the container such as canned beer stored in the heat insulating container 1 can be quickly put in and taken out.

Moreover, by engaging the locking protrusion 3a protruding on the lid 3 with the annular engaging portion 12 protruding on the mouth 2a, the container body 2
When the lid body 3 is fixed to the mouth portion 2a of the container, the lid body 3 is accurately fitted to the mouth portion 2a of the container body 2 by preventing the fitting position between the mouth portion 2a and the lid body 3 from being displaced. As a result, it is possible to reliably seal each other, and since a gap is not formed on the fitting surfaces of each other, the heat retaining power is not impaired, and the container such as canned beer stored in the heat retaining container 1 can be kept warm for a long time.

Further, when removing the lid body 3 described above, after releasing the fixation by the respective closures 4, 4, the opening side of the lid body 3 is simply rotated to the back portion of the container main body 2, and the engagement of the annular engaging portion 12 is achieved. The stop shaft 12b,
The locking positions of the locking projections 3a and the neck portion 3b of the lid body 3 are inverted upside down and the locking is released, so that the lid body 3 can be easily removed.

Moreover, since the neck portion 3b and the locking projections 3a, which are circumferentially equidistantly formed on the lid body 3 side, have the same shape as each other, the lid body 3 is circumferentially arranged in the horizontal plane with respect to the container body 2. The attachment / detachment structure between the container body 2 and the lid body 3 is ensured regardless of which position is rotated at equal intervals. As a result, the handleability of the lid body 3, particularly the handleability of the lid body 3 when the lid is closed is significantly improved.

[Brief description of drawings]

The drawing shows one embodiment of the present invention, Fig. 1 is an exploded perspective view of a heat retaining container, Fig. 2 is an overall perspective view of the heat retaining container, and Fig. 3 is a line II-II arrow of the heat retaining container shown in Fig. 2. FIG. 4A and FIG. 4B are enlarged side views of the engaging portion. 2 ... Container body, 2a ... Mouth part 3 ... Lid body, 3b ... Neck part 3a ... Locking protrusion, 4 ... Closure tool 12 ... Annular engagement part

Claims (1)

[Scope of utility model registration request] 1. A lid body (3) fitted to an opening (2a) opened in a container body (2) is provided, and a plurality of places on the outer circumference of the lid body (3) are equidistantly circumferentially. Is integrally formed with a substantially cylindrical locking protrusion (3a) that is oriented in the horizontal direction through the neck portion (3b), and the plurality of neck portions (3b) and locking protrusions (3a) have the same shape. On the other hand, one of the locking protrusions (3a) is provided on the container body (2) while being configured.
An annular engaging portion (1) provided with a retaining shaft (12b) corresponding to the two retaining protrusions (3a) and serving as a pivotal fulcrum of the neck portion (3b).
2) is formed integrally with the neck portion (3b) in correspondence with the rest of the locking protrusions (3a).
A structure for attaching a lid of a heat-retaining container to which a stopper (4) having a retaining ring (4c) for retaining is attached.