JP5738633B2 - Milk drinking container - Google Patents

Description

  The present invention relates to a milk drinking container used when, for example, an infant drinks milk.

  For example, milk for infants is made by mixing hot water and powdered milk in a baby bottle just before drinking.

  This is because not only do you want to drink milk at a warm and appropriate temperature, but also it will oxidize over time in a state of mixing with hot water (water) and the taste will deteriorate or the quality will deteriorate.

  By the way, when actually making milk, put hot water into the baby bottle, put powdered milk material in a stick-shaped bag or can prepared separately, close the cap, shake the baby bottle and mix the milk However, this work is very troublesome, especially when trying to make milk on the go such as outdoors.

  The present inventor has paid attention to the above-mentioned problems and has advanced various researches and developments, and as a result, has developed an innovative milk drinking container with extremely high commercial value.

  The gist of the present invention will be described with reference to the accompanying drawings.

A container comprising a container body 2 having a mouth portion 1 and a cap 3 attached to the mouth portion 1 of the container body 2. The cap 3 has a powdery, liquid or solid milk material inside. A storage portion 6 for storing X, and a storage portion opening mechanism for opening the storage portion 6 when the cap 3 attached to the mouth portion 1 is moved in the removing direction; The mouth portion 1 is provided with a cap attachment portion 1A to which the cap 3 is attached, and further, an artificial nipple attachment portion for attaching an artificial nipple 11 to the mouth portion 1 at a tip side of the cap attachment portion 1A. 1B is provided, and the cap 3 is detachably mounted on the cap mounting portion 1A, the cap body 4 is slidably disposed in the cap body 4 and is attached to the artificial nipple mounting portion 1B. Removable The inner body 5 is provided with the storage portion 6 inside the cap body 4, and the inner body 5 is provided with a closing portion 7 for closing the opening 6a of the storage portion 6. When the cap body 4 is slid relative to the inner body 5, the opening 6a closed by the closing portion 7 is opened, and the artificial nipple is attached to the inner body 5. A locking portion 8 that locks with the locked portion 9 formed in the portion 1B is provided, and when the cap body 4 mounted on the cap mounting portion 1A is initially moved in the removing direction, the locking portion 8 and the locked portion 9 are configured to prevent the inner body 5 from moving together with the cap body 4 in the removing direction. It concerns the container.

Further, in the milk drinking vessel according to claim 1, wherein the artificial nipple mounting portion 1B is provided on smaller diameter than the cap attachment portion 1A, the cap attachment portion 1A is for screwing the pre-Symbol cap body 4 is formed by providing a helical rib 1a, the artificial nipple mounting portion 1B is configured before Symbol provided helical rib 1b for screwing the cap 12 provided with artificial nipple 11, the cap attachment portion 1A The length of the spiral ridge 1b of the artificial nipple mounting portion 1B is set to be shorter than the length of the spiral ridge 1a.

Further, in the milk drinking container according to any one of claims 1 and 2 , when the cap main body 4 attached to the mouth portion 1 is moved in the removing direction, the locking is performed after the initial movement. The present invention relates to a milk drinking container characterized in that the action is released.

The milk drinking container according to any one of claims 1 to 3 , wherein the cap body 4 is fitted on the cap mounting portion 1A , and a convex portion 4d is provided on an inner surface portion of the cap body 4. In order to release the locking action between the locked portion 9 and the locking portion 8, the convex portion 4d of the cap body 4 is locked with the locking portion 8, and the inner portion is removed in the release direction. The present invention relates to a milk drinking container, which is performed by the body 5 being pulled.

Moreover, the milk drinking container of any one of Claims 1-4 WHEREIN: The said inner body 5 is comprised with the trunk | drum 5A and the said latching | locking part 8 provided in this trunk | drum 5A upper edge, The said trunk | drum The portion 5A is inserted into the mouth portion 1, and the locking portion 8 is fitted on the artificial nipple mounting portion 1B with the upper edge of the opening of the mouth portion 1 placed therein. It is related to.

Further, in the milk drinking container according to claim 5 , when the engaging portion 8 is fitted and attached to the artificial nipple attaching portion 1B, the outer surface portion of the engaging portion 8 is located inside the outer surface portion of the cap attaching portion 1A . The diameter of the artificial nipple mounting part 1B is set so that it may be located toward the direction, It concerns on the milk drinking container characterized by the above-mentioned.

Moreover, the milk drinking container of any one of Claims 5 and 6 WHEREIN: The convex part 8d latched with the convex part 4d of the said cap main body 4 is provided in the outer surface part of the said latching | locking part 8. FIG. The present invention relates to a milk drinking container.

Further, in the milk drinking vessel according to any one of claims 1 to 7, the milk drinking vessel, characterized in that employing the container body 2 of the heat resistance to withstand heat as the container main body 2 in a microwave oven It is concerned.

Since the present invention is configured as described above, an appropriate amount of milk material stored in the cap can be put into the container body by a simple operation of opening the cap, and thus milk can be easily produced. Therefore, it becomes an epoch-making milk drinking container with extremely high commercial value, such as allowing an infant to drink milk.
2

It is a front view which shows a present Example. It is sectional drawing explaining the principal part which concerns on a present Example. It is a disassembled perspective view of the principal part which concerns on a present Example. It is sectional drawing explaining the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is operation | movement explanatory drawing of the principal part which concerns on a present Example. It is use condition explanatory drawing of a present Example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  For example, the milk material X enters the container body 2 when the cap 3 attached to the mouth portion 1 is moved in the removing direction to open the storage portion 6. In this state, for example, the container body 2 is shaken to mix the hot water in the container body 2 and the milk material X to make milk.

  Accordingly, the storage unit 6 is opened simply by performing an operation of moving the cap 3 in the direction of removing the cap 3, and the milk material X stored in the cap 3 can be easily put into the container body 2.

  By the way, in the present invention, an artificial nipple mounting portion 1B for mounting the artificial nipple 11 is provided on the tip side of the cap mounting portion 1A where the cap 3 is mounted as the mouth portion 1.

  Therefore, after the milk is made, the cap 3 is removed, the artificial nipple 11 is attached to the mouth portion 1, and the infant can drink fresh milk in the container body 2.

  A specific embodiment of the present invention will be described with reference to the drawings.

  The present embodiment includes a container body 2 having a mouth portion 1 and a cap 3 attached to the mouth portion 1 of the container body 2. In this embodiment, the milk powder X in powder form is stored in the cap 3, the water in the container body 2 is heated with a microwave oven or the like to form hot water, and both are mixed to make milk. However, the milk material X is not limited to a powder form, and may be a liquid form or a solid form, and can be appropriately employed as long as it exhibits the characteristics of this embodiment.

  Specifically, the container body 2 is a vertically long bottle-shaped body (so-called PET bottle) formed of an appropriate synthetic resin member as shown in FIGS. 1 and 2 and has a heat resistance that can withstand heating in a microwave oven. It has sex. The container body 2 may be made of glass or metal as long as it has heat resistance.

  In addition, a cylindrical mouth portion 1 including a large-diameter portion 1A ′ and a small-diameter portion 1B ′ continuous through a step portion on the upper portion of the large-diameter portion 1A ′ is provided at the upper portion of the container body 2. A large-diameter portion 1A ′ related to the mouth portion 1 is provided with a cap mounting portion 1A for mounting a cap 3 described later.

  The cap mounting portion 1A is configured by forming a spiral ridge 1a into which a cap main body 4 described later is screwed on the outer peripheral surface of the large diameter portion 1A 'related to the mouth portion 1. In addition, the mounting structure of the cap body 4 with respect to the mouth 1 is not limited to the screw structure, and may be a push-in mounting structure that can be pulled out freely.

  Further, the mouth portion 1 is covered by a locking portion 8 provided in the inner body 5 described later at a position above the spiral protrusion 1a (position between the large diameter portion 1A ′ and the small diameter portion 1B ′). A locking portion 9 (locking groove) is formed.

  Further, the mouth portion 1 is provided with a small diameter portion 1B ′ in an upper part than the cap mounting portion 1A (the locked portion 9) described above, and an artificial nipple 11 described later is provided in the small diameter portion 1B ′. An artificial nipple mounting portion 1B for mounting the cap 12 is provided.

  The artificial nipple mounting portion 1B is formed by forming a spiral protrusion 1b into which the cap 12 is screwed on the outer peripheral surface of the small-diameter portion 1B ′ of the mouth portion 1, and is provided with a smaller diameter than the cap mounting portion 1A. The diameter of the outer surface portion of the locking portion 8 is set so as to be immersed (or flush with the outer surface portion of the cap mounting portion 1A) when the locking portion 8 described later is fitted and mounted.

  The spiral ridge 1b according to the artificial nipple mounting portion 1B is set to be shorter than the spiral ridge 1a according to the cap mounting portion 1A, and is configured as a so-called quick screw structure that can be mounted with a small number of screws. .

  This quick screw structure is generally employed for the cap 12 provided with the artificial nipple 11, and thus the cap 12 can be quickly mounted.

  The cap 3 includes a cap main body 4 that is attached to the mouth portion 1 in a fitted state, and an inner body 5 that is disposed in the cap main body 4 so as to be relatively slidable and attached to the mouth portion 1. .

  As shown in FIGS. 3 and 4, the cap body 4 is a dome-shaped cylindrical body formed of a synthetic resin member having appropriate heat resistance, and is provided in the lower side of the side wall portion 4 b depending from the top wall portion 4 a. A spiral ridge 4 c that is screwed with the spiral ridge 1 a of the mouth portion 1 is formed on the peripheral surface, and the cap body 4 is detachably screwed to the mouth portion 1.

  In addition, a cylindrical storage portion 6 is formed to project at the center position of the inner surface of the cap body 4.

  The storage portion 6 is a portion for storing the powdery, liquid, or solid milk material X, and has an opening 6a at the lower end.

  Moreover, the corner | angular part of the inner bottom part of the accommodating part 6 is formed in R shape, and when the milk material X is a powder form, the milk material X will not solidify in this part, but will fall favorably. This point has been confirmed by experiments.

  Further, the cap body 4 is provided with a convex portion 4d in a circumferentially surrounding state on the inner peripheral surface of the side wall portion 4b and above the spiral protrusion 4c described above, and this convex portion 4d is a direction in which the cap main body 4 is removed. It is a site | part which latches to the latching | locking part 8 mentioned later when it is moved to.

  Reference numeral 3a denotes an anti-slip portion.

  The inner body 5 is a bottomed cylindrical body formed of a synthetic resin member having appropriate heat resistance as illustrated in FIGS. 3 and 4, and the body portion 5 </ b> A is disposed in the mouth portion 1 of the container body 2. It is set to a diameter that can be fitted and inserted into the cap body 4 and can be fitted into the storage portion 6.

  Further, when the inner body 5 is arranged in the cap body 4, a locking portion 8 (protrusion 8d), which will be described later, provided on the body 5A is press-inserted so as to get over the protrusion 4d of the cap body 4, At the position over the convex portion 4d, the locking portion 8 is locked and the locking portion 8 extends from the position of the convex portion 4d where the convex portion 8d locks to the step portion 4b 'provided on the side wall portion 4b of the cap body 4. It is slidable in position.

  Therefore, the inner body 5 is slidable relative to the cap main body 4 in a range from the position of the convex portion 4d where the convex portion 8d is locked to the step portion 4b 'related to the side wall portion 4b of the cap main body 4.

  Further, the inner surface of the bottom of the inner body 5 is formed to project in a conical shape, and when the inner body 5 is fitted into the storage section 6, the conical section is press-fitted into the storage section 6 to open the opening 6a. It is comprised as the obstruction | occlusion part 7 which obstruct | occludes.

  Therefore, the storage part 6 is closed by the closing part 7 and is in a sealed state.

  When the milk material X is stored in the storage portion 6, the milk material X is stored from the opening 6a with the cap body 4 turned upside down, and the inner body 5 is arranged in the cap body 4 in this state. The opening 6 a of 6 a is closed by the closing part 7.

  Further, a window portion 5a is formed around the trunk portion 5A at a position below the inner body 5, and when the closed portion 7 is released from the fitting state with respect to the storage portion 6, the opening portion 6a is opened. The window portion 5a brings the inner space of the storage portion 6 into communication with the outer space of the inner body 5.

  Therefore, when the inner body 5 is slid with respect to the cap body 4, the storage section 6 closed by the closing section 7 is opened (storage section opening mechanism), and the milk material X packed in the storage section 6 is released. It will be discharged to the outside.

  The inner body 5 is provided with a locking portion 8 that is locked to a locked portion 9 (locking groove) provided in the mouth portion 1.

  The locking portion 8 has a shape in which the upper opening of the body portion 5A is folded outward, and specifically, a hook-like portion 8a protruding in the horizontal direction and a tip of the hook-like portion 8a. The locking portion 8 is configured to conceal the artificial nipple mounting portion 1B as an upper opening portion of the mouth portion 1 when the inner body 5 is fitted and inserted into the mouth portion 1. It is comprised so that it may fit.

  Further, the engaging portion 8 is provided with a convex portion 8 c on the inner surface of the lower end of the hanging portion 8 b, and when the engaging portion 8 is fitted and attached to the upper opening of the mouth portion 1, the convex portion 8 c becomes the mouth portion 1. It is comprised so that it may latch to the to-be-latched part 9 (locking ditch | groove) provided in this.

  Therefore, when the cap body 4 attached to the mouth portion 1 is initially moved in the removing direction, the inner body 5 moves together with the cap body 4 in the removing direction by the locking action of the locking portion 8 and the locked portion 9. To be prevented.

  Further, a convex portion 8d is provided in a circumferentially surrounding state on the outer peripheral surface of the hanging portion 8b related to the locking portion 8, and this convex portion 8d removes the cap body 4 attached to the mouth portion 1. When it is moved in the direction, it is configured so as to be engaged with the convex portion 4d of the cap body 4 after the initial movement, and the locking action between the locked portion 9 and the locking portion 8 is released.

  Specifically, in this embodiment, when the cap body 4 attached to the mouth portion 1 is moved (screwed) in the removal direction, the inner body 5 slides relative to the cap body 4 (convex portion). The cap body 4 is moved (screwed) in the disengagement direction with respect to the mouth portion 1 (from the position of the protrusion 4d where the 8d is engaged to the step 4b ′ related to the side wall 4b of the cap body 4). In the interval, the locking portion 8 is set to a locking force that does not disengage from the locked portion 9, and thus the locked portion 9 (locking groove) and the locking portion 8 (convex portion 8 c). The locking action is released by the protrusion 4d of the cap body 4 being locked with the protrusion 8d of the locking part 8 and the inner body 5 being pulled in the releasing direction.

  That is, the locking force of the locking portion 8 (the convex portion 8 c) and the locked portion 9 (the locking groove) is the locking portion 8 d of the locking portion 8 with respect to the protruding portion 4 d of the cap body 4. Therefore, the cap body 4 is further removed after the cap body 4 is screwed in the releasing direction and the protrusion 8d of the locking portion 8 is locked against the protrusion 4d. When it is screwed in the direction, the locking portion 8 (the convex portion 8 c) is disengaged from the locked portion 9 (the locking groove) and the inner body 5 comes off from the mouth portion 1, together with the cap body 4. It is completely removed from the mouth 1.

  The locking portion 8 may be concave and the locked portion 9 may be convex.

  The artificial nipple 11 is formed of a synthetic resin member having appropriate flexibility as shown in FIG.

  Further, the artificial nipple 11 has a flange 11a formed at the lower edge of the opening. The flange 11a is engaged with the inner surface of the cap 12 when a cap 12 (described later) is fitted on the artificial nipple 11. It is configured.

  The cap 12 is an annular body formed of an appropriate synthetic resin member as shown in FIG. 8, and is configured to be fitted on the artificial nipple 11. The inner surface of the cap 12 is screwed to the artificial nipple mounting portion 1B. A spiral ridge 12a is formed.

  A method of making a beverage in the container according to the present embodiment having the above-described configuration will be described.

  Heat in a microwave oven in advance to make hot water in the container body 2, and for example, the cap body 4 mounted on the mouth 1 (cap mounting section 1A) is removed and screwed in the removing direction. In addition, hot water boiled in a kettle or an electric pot may be put in the container body 2.

  Specifically, when the cap body 4 is screwed to a position where the convex portion 4d of the cap body 4 is locked to the convex portion 8d of the locking portion 8, the inner body 5 is left in the mouth portion 1 (mounted) In this state, only the cap body 4 moves upward (this is the initial movement). At this time, the inner body 5 is slid relative to the cap body 4 and is closed by the closing portion 7. The part 6a is opened, and the milk material X falls into the hot water in the container body 2 from the opening 6a (see FIGS. 5 and 6).

  In this state, for example, when the container body 2 is shaken to mix the water in the container body 2 and the milk material X, milk is produced.

  Thereafter, when the cap body 4 is further screwed and removed from the mouth portion 1, the locking force of the convex portion 4d with respect to the convex portion 8d of the locking portion 8 is locked to the locked portion 9 (locking groove). The inner body 5 is disengaged from the mouth portion 1 and detached from the mouth portion 1 together with the cap body 4 (see FIG. 7).

  In this state, the cap 12 is screwed onto the artificial nipple mounting portion 1B to mount the artificial nipple 11 (see FIG. 8).

  Since the present embodiment is configured as described above, an appropriate amount of the milk material X stored in the cap 3 can be put into the container body 2 by a simple operation of opening the cap 3, and the milk material X You can drink freshly made milk by putting it in the container body 2.

  Further, in this embodiment, the artificial nipple mounting portion 1B is provided with a smaller diameter than the cap mounting portion 1A. Therefore, a mounting portion having a different structure for mounting the cap 12 (for example, a spiral protrusion having a special shape such as an ant shape). In addition, the artificial nipple mounting portion 1B is covered with the cap 3 in terms of its structure, which is extremely hygienic.

  Further, in this embodiment, the cap mounting portion 1A is configured by providing a spiral protrusion 1a for screwing the cap body 4 to the mouth portion 1, and the artificial nipple mounting portion 1B has a cap 12 on the mouth portion 1. Since the spiral ridge 1b for screwing is provided, the length of the spiral ridge 1b of the artificial nipple mounting portion 1B is set shorter than the length of the spiral ridge 1a of the cap mounting portion 1A. 3 is to be screwed in deeply, for example, it is possible to obtain a firm wearing state such as preventing leakage of liquid in the container body 2, while wearing the cap 12 when drinking the beverage of the container body 2. In some cases, the mounting is completed by screwing in shallowly, so that a simple and quick drinking state can be obtained, which is very functional.

  Further, in this embodiment, the inner body 5 is provided with a locking portion 8 that locks with the locked portion 9 formed in the mouth portion 1, and the cap body 4 attached to the mouth portion 1 is removed. Since the inner body 5 is prevented from moving together with the cap body 4 by the locking action of the locking portion 8 and the locked portion 9 during the initial movement to the The operation for putting the milk material X into the container body 2 is surely realized.

  That is, for example, when the cap body 4 is moved in the removing direction, the inner body 5 is also prevented from being detached from the mouth portion 1. When the inner body 5 is moved together with the movement of the cap body 4, the opening 6a is opened. Can not do it. Temporarily, when it is set as the structure performed by the frictional resistance with the mouth part 1 of the inner body 5 with which the opening | mouth part 1 is mounted | worn as a structure which prevents this movement of the inner body 5, the structure of relying only on the frictional resistance of these members Therefore, extremely high-precision molding is required, and thus many defective products are generated in actual production.

  Therefore, in this embodiment, by providing the locking portion 8 and the locked portion 9 described above, the movement of the inner body 5 can be reliably prevented, and the milk material X described above is placed in the container body 2. The operation to insert is surely realized.

  Further, in this embodiment, when the cap body 4 attached to the mouth portion 1 is moved in the removing direction, the locking action is released after the initial movement. The operation for putting the milk material X into the container body 2 is reliably realized.

  Further, in this embodiment, the cap body 4 is fitted into the mouth portion 1 and the convex portion 4d is provided on the inner surface portion, and the release of the locking action between the locked portion 9 and the locking portion 8 is as follows. Since the protrusion 4d of the cap body 4 is locked with the locking portion 8 and the inner body 5 is pulled in the removing direction, the inner body 5 is removed at the same time as the cap body 4 is removed. Therefore, the operability is extremely good.

  Further, in this embodiment, the inner body 5 is constituted by a trunk portion 5A and a locking portion 8 provided on the upper edge of the trunk portion 5A, and the trunk portion 5A is inserted into the mouth portion 1 to be locked. Since the portion 8 is fitted on the artificial nipple mounting portion 1B as the upper edge of the opening of the mouth portion 1, the above-described effects can be obtained with a simple structure.

  Further, in this embodiment, when the engaging portion 8 is fitted and attached to the artificial nipple attaching portion 1B, the artificial nipple is attached so that the outer surface portion of the engaging portion 8 is immersed with the outer surface portion of the cap attaching portion 1A. Since the diameter of the part 1B is set, also in this respect, the above-described operational effects can be reliably obtained with the simple structure.

  Moreover, since the heat resistant container main body 2 which can endure the heating in a microwave oven is employ | adopted as the container main body 2 in a present Example, the water in the container main body 2 is warmed with a microwave oven just before drinking, for example, and it caps this hot water. By mixing the milk material X stored in 3, a drink (for example, milk or tea) to drink in a warm state can be obtained easily and reliably at the timing you want to drink, and the milk material X and the liquid are mixed immediately before It will be obtained in the most delicious fresh state.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

X Milk material 1 Mouth 1A Cap mounting 1B Artificial nipple mounting 1a Spiral ridge 1b Spiral ridge 2 Container body 3 Cap 4 Cap body 4d Convex 5 Inner body 5A Torso 6 Storage 6a Opening 7 Closure 8 Locking part 8d Protruding part 9 Locked part
11 Artificial nipple
12 cap

Claims (8)

A container comprising a container body having a mouth part and a cap attached to the mouth part of the container body, wherein a storage part for storing powdered, liquid or solid milk material is provided inside the cap. A cap provided with a storage portion opening mechanism that opens the storage portion when the cap mounted on the mouth portion is moved in the removing direction, and the cap is provided with the cap. An attaching part is provided, and an artificial nipple attaching part for attaching an artificial nipple is provided at a position closer to the distal end than the cap attaching part as the mouth part, and the cap is detachable from the cap attaching part. A cap body that is attached to the cap body, and an inner body that is slidably disposed within the cap body and that is detachably attached to the artificial nipple mounting portion. The inner body is provided with a closing portion that closes the opening of the storage portion, and is closed by the closing portion when the cap body is slid relative to the inner body. The opening is configured to be opened, and the inner body is provided with a locking portion that locks with a locked portion formed in the artificial nipple mounting portion, and the cap mounting portion is mounted on the inner body. When the cap body is initially moved in the removing direction, the inner body and the cap body are prevented from moving in the removing direction by the locking action of the locking portion and the locked portion. milk drinking container which is characterized, characterized in that is. In milk drinking vessel according to claim 1, wherein the artificial nipple mounting portion is provided on the smaller diameter than the cap attachment portion, the cap attachment portion is provided with a helical rib for screwing the pre-Symbol cap body configured Te, the artificial nipple mounting portion is configured before Symbol provided helical rib for screwing the cap provided with the artificial nipple, the helical convex of the artificial nipple than the length of the cap attachment portion A milk drinking container characterized in that the length of the spiral ridge of the mounting portion is set short. The milk drinking container according to any one of claims 1 and 2 , wherein when the cap body mounted on the mouth portion is moved in a removing direction, the locking action is released after the initial movement. A milk drinking container characterized by being configured to be The milk drinking container according to any one of claims 1 to 3 , wherein the cap body is fitted on the cap mounting portion , and a convex portion is provided on an inner surface portion of the cap body, Release of the locking action between the locking portion and the locking portion is performed by the convex portion of the cap body being locked to the locking portion and the inner body being pulled in the releasing direction. Featured milk drinking container. The milk drinking container according to any one of claims 1 to 4 , wherein the inner body includes a trunk portion and the locking portion provided at an upper edge of the trunk portion, and the trunk portion is disposed in the mouth portion. The milk drinking container, wherein the engaging portion is fitted and attached to the artificial nipple attachment portion with the opening upper edge of the mouth portion. The milk drinking container according to claim 5 , wherein when the engaging portion is fitted and attached to the artificial nipple attaching portion, an outer surface portion of the engaging portion is positioned inward from an outer surface portion of the cap attaching portion. A milk drinking container, wherein a diameter of the artificial nipple mounting portion is set. The milk drinking container according to any one of claims 5 and 6 , wherein the outer surface portion of the locking portion is provided with a convex portion that engages with the convex portion of the cap body. container. The milk drinking container according to any one of claims 1 to 7 , wherein a heat resistant container main body capable of withstanding heating in a microwave oven is adopted as the container main body.

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