Portable beverage container lid body holding mechanism and portable beverage container equipped with the same

Abstract

To provide a novel lid body holding structure for a beverage container which holds a lid body in a closed state without requiring a separate locking mechanism.SOLUTION: A beverage container body includes: a mouth plug member (3) attached to an upper opening; a lid holding member (5) formed of an annular body provided on an upper part of the mouth plug member (3); and a lid body (4) provided on the upper part of the lid holding member (5), and is removably attached to the mouth plug member (3) through a central space of the annular body constituting the lid holding member, and has a plug capable of opening and closing a beverage outlet formed in the mouth plug member (3).SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to a lid retaining structure for a portable beverage container and a portable beverage container equipped with the same, and more particularly to a lid retaining structure useful for various portable beverage containers with detachable lids, such as water bottles and portable thermoses. [Background technology]

[0002] Conventionally, most portable beverage containers, such as water bottles and portable thermoses, have been constructed so that, for example, a screw-type lid is manually rotated to remove it from a plug member, and the liquid inside, such as tea, water, etc., is drunk by placing the mouth directly on the liquid outlet of the plug member. However, in addition to the hassle of removing the lid from the beverage container body, there was also a risk of the lid being damaged or lost after being removed.

[0003] In order to solve such problems, various portable beverage containers have been proposed in which the lid itself is connected to the plug member by a hinge, and the lid can be opened and closed freely without being removed from the plug member. This eliminates the hassle of removing the lid from the beverage container body, but a locking mechanism is required for a portable beverage container with such a structure to fix the lid in the closed state to the plug member. In this case, the locking mechanism is usually provided on the opposite side of the hinge, and there is a drawback in that the locking mechanism gets in the way when drinking the beverage by directly placing the mouth on the liquid outlet of the plug member, making it difficult to drink the beverage. To solve this problem, for example, a portable beverage container has been proposed that includes a cylindrical container body with a bottom, a spout member that closes the opening of the container body, and a lid member having an opening / closing stopper that opens and closes a liquid outlet for direct drinking formed on the spout member, characterized in that a pivotal support part that pivotally supports the lid member so that it can be opened and closed is provided at the rear edge of the spout member, a direct drinking spout is provided at the front edge on the opposite side, an engagement part of a locking mechanism that keeps the lid member in a closed state is provided, and an unlocking operation part for unlocking the locking mechanism is provided at the rear edge of the spout member (Patent Document 1). However, while this solved the problem of the liquid being difficult to drink, it did not eliminate the drawbacks that the locking mechanism that keeps the lid body in a closed state is easily damaged, is difficult to clean after use, and is relatively expensive. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2003-327265 A Summary of the Invention [Problem to be solved by the invention]

[0005] According to the novel lid retaining structure of the present invention, there is no need for a separate locking mechanism to keep the lid closed, so there is no drawback that the locking mechanism gets in the way when drinking the beverage inside by placing your mouth directly over the liquid outlet of the stopper member, making it difficult to drink.Not only is it relatively inexpensive, but it is relatively easy to clean the lid and stopper member after use.In addition, even if the lid is removed from the stopper member, the lid itself will not be separated from the portable beverage container, so a portable beverage container can be provided in which the lid will not be damaged or lost. [Means for solving the problem]

[0006] The present inventors have studied various ways to solve the various drawbacks of portable beverage containers in which the lid is connected to the spout member by a hinge and the lid can be freely opened and closed without being removed from the spout member, such as the presence of a locking mechanism that makes it difficult to drink the beverage in the container, the locking mechanism being damaged, the difficulty of cleaning after use, and the relatively high cost. The inventors then realized that the above-mentioned various drawbacks would not occur if such a locking mechanism was not used, and conducted further studies by returning to the conventional portable beverage container in which the lid is removed from the spout member and the mouth is placed directly on the liquid outlet of the spout member to drink the beverage inside. As a result, the inventors have found that even for such conventional portable beverage containers, if the lid is not separated from the beverage container body when it is removed from the spout member, both the drawbacks of the portable beverage container having the locking mechanism and the drawbacks of the conventional portable beverage container in which the lid is removed from the spout member to drink the beverage can be solved, and have completed the lid holding structure for a portable beverage container of the present invention.

[0007] That is, the present invention provides: (1) A lid holding structure for a portable beverage container, comprising: a spout member (3) attached to an upper opening (2) of a beverage container body (1); a lid holding member (5) made of an annular body provided on the upper part of the spout member (3); and a lid (4) provided on the upper part of the lid holding member (5) and removably attached to the spout member (3) through a central space of the annular body constituting the lid holding member (5), the lid (4) having a plug (4-5) capable of opening and closing a beverage outlet formed in the spout member (3), The cover (4) comprises a columnar body (4-3) having an upper bottom surface (4-1) thereof and a circular lower bottom surface (4-2), and the lower bottom surface (4-2) of the columnar body (4-3) is provided with the plug (4-5). The cover (4) further comprises a ring-shaped body (4-6) having a rectangular (including square) cross section, the ring-shaped body (4-6) surrounding the plug (4-5) and having an outer diameter (d4-4) smaller than the diameter (d4-2) of the circle of the lower bottom surface (4-2), the ring-shaped body (4-6) being formed on the lower bottom surface (4-2) of the columnar body (4-3). wherein the central axis of the plug (4-5) and the annular body (4-6) having a rectangular cross section passes through the center of the circle of the lower bottom surface (4-2) of the cover body (4), and the outer surface (4-4) formed by the annular body (4-6) having a rectangular cross section has a projection (6-1) that protrudes outwardly from the circumference concentrically with respect to the circle constituting the circumference, continuously or intermittently on the circumference near the lower end of the annular body (4-6) in the axial direction, and The lid holding member (5) is constituted by an annular body (5-2) having a rectangular cross section (including a square), and is provided with an annular body (5-1) having an inner diameter (d5-1) that is larger than the outer diameter (d4-4) of the annular body (4-6) having a rectangular cross section that constitutes the outer side surface (4-4) of the lid body (4) and smaller than the diameter (d6-1) of a circle formed by the protruding end of a protrusion (6-1) provided near the lower end of the outer side surface (4-4), the annular body (5-2) constituting the lid holding member (5) being connected to a part of the outer edge of the plug member (3) by a hinge (7); This results in a lid retaining structure for a portable beverage container, characterized in that when the lid (4) is removed from the spout member (3) to open the beverage outlet, the lid retaining member (5) is able to retain the lid (4).

[0008] In a preferred embodiment, (2) The axial length of the annular body (5-2) constituting the lid body holding member (5) is longer than the axial length of the outer surface (4-4) of the lid body (4) and the length below the lower bottom surface (4-2) of the lower columnar body (4-3) of the lid body (4). (3) The lid body holding structure for a portable beverage container according to (1) or (2) above, in which the annular body (5-1) protruding inwardly of the annular body (5-2) constituting the lid body holding member (5) is provided so as to circumferentially surround a part of the axial direction of the outer surface (4-4) of the lid body (4). (4) The lid body holding structure for a portable beverage container according to any one of (1) to (3) above, wherein the annular body (5-2) constituting the lid body holding member (5) is provided with a projection (5-1) that protrudes inwardly from the inner circumference concentrically with the circle constituting the inner circumference, continuously or intermittently on the inner circumference near the upper end in the axial direction, and the diameter (d5-3) of the inner circle formed by the annular body (5-2) is larger than the diameter (d6-1) of the circle formed by the protruding end of the projection (6-1) provided near the lower end of the outer surface (4-4) of the lid body (4); (5) A lid body holding structure for a portable beverage container according to any one of (1) to (3) above, in which a diameter (d5-3) of an inner circle formed by the annular body (5-2) constituting the lid body holding member (5) is larger than a diameter (d6-1) of a circle formed by a protruding end of a protrusion (6-1) provided in the vicinity of a lower end of the outer surface (4-4) of the lid body (4); (6) The lid body holding structure for a portable beverage container according to any one of (1) to (5) above, wherein the outer diameter (d5-2) of the annular body (5-2) constituting the lid body holding member (5) is equal to or exceeds the circular diameter (d4-2) of the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4) and is equal to the outer diameter (d3) of the spout member (3) having a circular cross section. (7) A lid body holding structure for a portable beverage container according to any one of (1) to (6) above, in which a stopper (4-5) is provided on the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4) in a central space defined by a ring-shaped body (4-6) with a rectangular cross section having an outer diameter (d4-4) smaller than the circular diameter (d4-2) of the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4), the stopper (4-5) is detachably attached to the plug member (3) and can open and close a beverage outlet formed in the plug member (3). (8) A lid holding structure for a portable beverage container according to any one of (1) to (7) above, wherein the central axis of the annular body (4-6) having a rectangular cross section provided on the lid body (4) passes through the center of the circle of the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4) and the center (geometric center) of the upper surface (4-1) of the lid body (4). (9) A lid holding structure for a portable beverage container according to any one of (1) to (8) above, in which the upper surface (4-1) of the lid (4) has a circular or nearly circular or rounded square shape. Examples include:

[0009] The present invention also provides a method for producing a method for manufacturing a semiconductor device comprising the steps of: (10) A portable beverage container comprising the lid holding structure for a portable beverage container according to any one of (1) to (9) above.

[0010] In a preferred embodiment, (11) The portable beverage container according to (10) above, further comprising a handle portion connected to the vicinity of the hinge (7) of the lid holding member (5) of the lid holding structure. Examples include: Effect of the Invention

[0011] The lid retaining structure for a portable beverage container of the present invention does not require a separate locking mechanism to keep the lid closed, and therefore does not have the drawback of the locking mechanism getting in the way when drinking a beverage by placing a mouth directly on the liquid outlet of the plug member, making it difficult to drink the beverage. Also, since a separate locking mechanism is not required, it is relatively inexpensive and relatively easy to clean after use. In addition, even if the lid is removed from the plug member, the lid retaining member retains the lid, so the lid itself will not be separated from the portable beverage container, and therefore the lid will not be damaged or lost. [Brief description of the drawings]

[0012] [Figure 1] FIG. 1 is a schematic plan view of a portable beverage container equipped with a lid holding structure according to one embodiment of the present invention when the lid is in a closed state (the beverage container body is not shown). [Diagram 2] FIG. 2 is a schematic side view of a portable beverage container equipped with a lid holding structure according to one embodiment of the present invention when the lid is in a closed state. [Diagram 3] FIG. 3 is a schematic plan view of a portable beverage container equipped with a lid holding structure according to one embodiment of the present invention when the lid is in an open state. [Figure 4] FIG. 4 is a schematic side view of a portable beverage container equipped with a lid holding structure according to one embodiment of the present invention when the lid is in an open state. [Diagram 5] FIG. 5 is a schematic cross-sectional view showing the relationship between the lid and the lid holding member when cut along the aa plane in FIG. 2 (however, the plug is not shown). [Figure 6] FIG. 6 is a schematic cross-sectional view showing the relationship between the lid and the lid holding member when cut along the bb plane in FIG. 4 (however, the plug is not shown). [Figure 7] FIG. 7 is a schematic cross-sectional view showing a state in which the plug of the cover and the beverage outlet formed in the plug member are joined by a screw portion. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] An embodiment of the lid holding structure for a portable beverage container according to the present invention will be described with reference to the drawings. Fig. 1 is a schematic plan view of a portable beverage container with a lid holding structure according to an embodiment of the present invention in a closed state, and Fig. 2 is a schematic side view thereof. However, Fig. 1 does not show the beverage container body (1). The lid holding structure for a portable beverage container according to the present invention includes a spout member (3) attached to an upper opening (2) of the beverage container body (1) preferably by screwing, a lid holding member (5) made of an annular body provided on the upper part of the spout member (3), and a lid (4) provided on the upper part of the lid holding member (5) and having a plug (4-5) that is attached detachably to the spout member (3) preferably by screwing through a central space of the annular body that constitutes the lid holding member (5) and can open and close a beverage outlet (3-1) formed in the spout member (3). In one embodiment shown in Fig. 1, the shape of the top surface (4-1) of the lid (4) of the portable beverage container is substantially circular, but the shape may also be circular or rectangular with rounded corners. Here, substantially circular is a broad concept including oval, ellipse, etc. As shown in Fig. 2, a spout member (3) is attached to the upper opening (2) of the lowermost beverage container body (1), and a lid holding member (5) made of a ring-shaped body is connected to the spout member (3) via a hinge (7) on top of the spout member (3), and the lid holding member (5) has a structure in which the lid (4) is attached to its upper part. When the lid (4) is in the closed state, the plug (4-5) provided at the center of the lower part of the lid (4) passes through the central space of the ring-shaped body constituting the lid holding member (5) and is connected in perfect alignment with the beverage outlet (3-1) formed in the spout member (3), preferably by a screw portion, and the lid holding member (5) is interposed between the spout member (3) and the lid (4). For reference, Figure 7 shows a cross-sectional view of the plug (4-5) of the lid (4) and the beverage outlet (3-1) formed in the spout member (3) connected by the screw portion.

[0014] The lid (4) has a columnar body (4-3) on the upper side of the lid (4) with its upper surface (4-1) as the upper bottom surface and a circular lower bottom surface (4-2). In this embodiment, the columnar body (4-3) has a lower bottom surface (4-2) that is the same shape as the circle formed by the outer periphery of the lid holding member (5). Thus, in this embodiment, the diameter (d4-2) of the circle of the lower bottom surface (4-2) of the columnar body (4-3) is equal to the diameter (d5-2) of the circle formed by the outer periphery of the ring-shaped body that constitutes the lid holding member (5), that is, the outer diameter of the ring-shaped body. However, the diameter (d4-2) of the circle of the lower bottom surface (4-2) of the columnar body (4-3) may be smaller than the diameter (d5-2) of the circle formed by the outer periphery of the ring-shaped body that constitutes the lid holding member (5). That is, the diameter (d5-2) of the circle formed by the outer periphery of the annular body constituting the lid holding member (5) may be larger than the diameter (d4-2) of the circle of the lower bottom surface (4-2) of the pillar-shaped body (4-3). When the shape of the upper surface (4-1) of the lid body (4) of the portable beverage container is circular, it is preferable that the diameter of the circle is equal to the diameter of the circle of the lower bottom surface (4-2) of the pillar-shaped body (4-3). That is, it is preferable that the pillar-shaped body (4-3) is cylindrical. Of course, the pillar-shaped body (4-3) of the lid body (4) can be hollow. For example, as shown in Figures 5 and 6 described below, a side surface (4-4) formed of a cylinder having a diameter (d4-4) smaller than the circular diameter (d4-2) of the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4) is provided as a side surface of an annular body (4-6) having a rectangular cross section, and the central space of the annular body (4-6) extends into the inside of the columnar body (4-3) of the lid body (4), so that the columnar body (4-3) of the lid body (4) can be hollow. The spout member (3) is attached to the upper opening (2) of the beverage container body (1), preferably by a screw type, and the upper surface of the spout member (3) is in contact with the bottom surface of the annular body constituting the lid body holding member (5). It is preferable that the diameter (d5-2) of the circle formed by the outer periphery of the annular body constituting the lid holding member (5) is the same as the diameter (d3) of the circle formed by the outer periphery of the plug member (3).Also, a part of the outer edge of the annular body constituting the lid holding member (5) is connected to a part of the outer edge of the plug member (3) via a hinge (7). To change the lid (4) from the closed state shown in Figures 1 and 2 to the open state, first, the lid (4) connected by a screw is rotated to remove the plug (4-5) of the lid (4) from the plug member (3). Since the lid (4) is held by the lid holding member (5), when the lid holding member (5) is rotated 180 degrees about the hinge (7), the lid (4) is rotated together with the lid holding member (5), and the beverage outlet formed in the plug member (3) can be opened. To change from the open state to the closed state, the above-mentioned operations are performed in reverse.

[0015] Fig. 3 is a schematic plan view of the portable beverage container having the lid holding structure of one embodiment of the present invention shown in Fig. 1 and Fig. 2 when the lid is in an open state, in which the lid (4) and the lid holding member (5) are seen from the spout member (3) side (below), and Fig. 4 is a schematic side view thereof. The left side of Fig. 3 and Fig. 4 shows the spout member (3), and the right side shows the lid (4) and the lid holding member (5). The innermost circular surface located in the center shown in the right side of Fig. 3 is the lower bottom surface of the stopper (4-5) that opens and closes the beverage outlet (3-1) formed in the spout member (3) of the lid (4), and is a columnar body that protrudes from the lower bottom surface (4-2) of the columnar body (4-3) whose upper bottom surface is the upper surface (4-1) of the lid (4) through the central space of the ring-shaped body that constitutes the lid holding member (5) toward the spout member (3) side (below) (see Fig. 7). Next, a part of the lower bottom surface (4-2) of the columnar body (4-3) having the upper bottom surface as the upper surface (4-1) of the cover body (4) is exposed on the outside of the stopper (4-5) that opens and closes the beverage outlet (3-1). In this embodiment, as shown in Figures 5 and 6, the plan view of the hollow part of the columnar body (4-3) is exposed, in which the central space of the ring-shaped body (4-6) having the side surface (4-4) formed of a cylinder as its outer surface, which is provided on the lower bottom surface (4-2) of the columnar body (4-3) provided in the cover body (4), is formed by extending into the interior of the columnar body (4-3). Next, the lower end (end on the plug member (3) side) of the ring-shaped body (4-6) having as its outer surface a side surface (4-4) formed by a cylinder having a diameter (d4-4) smaller than the circular diameter (d4-2) of the lower bottom surface (4-2) of the lid body (4), and then the lower bottom surface (bottom surface on the plug member (3) side) of the protrusion (6-1) that protrudes concentrically outward from the circumference constituting the circumference is shown continuously on the circumference near the axial lower end (end on the plug member (3) side) of the ring-shaped body (4-6) having as its outer surface a side surface (4-4) formed by a cylinder having a diameter (d4-4) smaller than the circular diameter (d4-2) of the lower bottom surface (4-2) of the lid body (4). In this embodiment, the protrusion (6-1) is provided continuously, but it may be provided intermittently. In this embodiment, the protrusion (6-1) at the lower end is integrally formed with the annular body (4-6) having the side surface (4-4).In the right diagram of Fig. 3, the lid holding member (5) composed of a ring-shaped body is shown next to the protrusion (6-1) at the lower end. A part of the outer edge of the lid holding member (5) is connected to a part of the outer edge of the plug member (3) via a hinge (7). The lid holding member (5) is held connected to the plug member (3) by the hinge (7) when the lid (4) is in the closed state (see Figs. 1 and 2). In the open state, the ring-shaped body (protrusion) (5-1) of the ring-shaped body (5-2) constituting the lid holding member (5) engages with the protrusion (6-1) near the lower end (end on the plug member (3) side) of the side surface (4-4) of the ring-shaped body (4-6), so that the lid holding member (5) holds the lid (4) (see Fig. 6). The side surface of a columnar body (4-3) having an upper bottom surface that coincides with the top surface (4-1) of the cover body (4) is exposed on the outside of the cover body holding member (5).

[0016] Fig. 5 is a schematic cross-sectional view showing the relationship between the lid (4) and the lid holding member (5) when cut along the aa plane in Fig. 2, and Fig. 6 is a schematic cross-sectional view showing the relationship between the lid (4) and the lid holding member (5) when cut along the bb plane in Fig. 4. However, for the sake of convenience, Figs. 5 and 6 omit the stopper (4-5) capable of opening and closing the beverage outlet formed in the spout member (3) and the beverage outlet (3-1) formed in the spout member (3) that the lid (4) is provided with. Fig. 5 shows the relationship between the lid (4) and the lid holding member (5) when the lid of a portable beverage container equipped with a lid holding structure according to one embodiment of the present invention is in a closed state, and a stopper (4-5) capable of opening and closing a beverage outlet formed in the spout member (3) is integrally provided on the circular lower bottom surface (4-2) constituting the columnar body (4-3) of the lid (4) and the beverage outlet (3-1) formed in the spout member (3) are connected by screws to completely seal the beverage outlet (3-1) (see Fig. 7). The lid holding member (5) made of an annular body is provided on the upper part of the spout member (3), and the lid (4) is provided on the top of the lid (4). The lid (4) has a columnar body (4-3) on its upper side, with its upper surface (4-1) as the upper bottom surface and the circular lower bottom surface (4-2). In this embodiment, the top surface (4-1) is substantially circular in shape, and its diameter is larger than the diameter (d4-2) of the circular lower bottom surface (4-2). When the top surface (4-1) is circular and the diameters of the top surface (4-1) and the lower bottom surface (4-2) are equal, the columnar body (4-3) of the cover body (4) is cylindrical, and when the diameter of the top surface (4-1) is larger than the diameter of the lower bottom surface (4-2), it is a part of a cone. When the top surface (4-1) is substantially circular or square with rounded corners as in this embodiment, the lower bottom surface (4-2) is cylindrical in shape. The lower bottom surface (4-2) of the columnar body (4-3) is provided with a side surface (4-4) formed by a cylinder having a diameter (d4-4) smaller than the diameter (d4-2) of the circle of the lower bottom surface (4-2). The side surface (4-4) is usually provided as the outer surface of a ring-shaped body (4-6) having a rectangular cross section (cross section of rotation), the central axis of which passes through the circular center of the lower bottom surface (4-2) of the cover body (4) and preferably also passes through the center of the top surface (4-1) of the cover body (4).When the shape of the top surface (4-1) of the cover body (4) is a substantially circular or rounded square as in this embodiment, the center of these is the geometric center. In addition, the outer surface (4-4) formed by the ring-shaped body (4-6) having a rectangular cross section (cross section of rotation) with the outer diameter (d4-4) is provided with a projection (6-1) that protrudes outward from the circumference concentrically with respect to the circle that constitutes the circumference in the axial direction of the ring-shaped body (4-6) continuously or intermittently on the circumference in the vicinity of the lower end. In this embodiment, the projection (6-1) provided in the vicinity of the lower end has a wedge-shaped cross section, but it may of course be rectangular. The protrusion (6-1) near the lower end is usually provided continuously around the circumference of the side surface (4-4), but it can also be provided intermittently if the annular body (protrusion) (5-1) near the upper end of the lid body holding member (5) and the protrusion (6-1) near the lower end can engage with each other to enable the lid body holding member (5) to hold the lid body (4).

[0017] As shown in Fig. 5, in this embodiment, the lid holding member (5) is sandwiched between the circular spout member (3) and the columnar body (4-3) present on the lid (4) when the lid of the portable beverage container is in the closed state. Here, the lid holding member (5) is constituted by an annular body (5-2) having a rectangular (including square) cross section, and is provided with an annular body (projection) (5-1) that projects inwardly concentrically with respect to the circle that constitutes the inner circumference, continuously or intermittently on the inner circumference near the upper end of the axial direction, and the annular body (5-1) has an inner diameter (d5-1) that is larger than the outer diameter (d4-4) of the annular body (4-6) having a rectangular cross section that constitutes the outer side surface (4-4) of the lid (4) and is smaller than the diameter (d6-1) of the circle formed by the projecting end of the projection (6-1) provided near the lower end of the outer side surface (4-4). Here, the annular body (5-1) may preferably be an annular body having a rectangular cross section. However, there is no particular limitation as long as it is shaped to engage with the protrusion (6-1) provided near the lower end of the side surface (4-4) of the lid body (4) and hold the lid body (4). The annular body (5-1) is provided so as to circumferentially surround a part of the axial direction of the outer side surface (4-4) of the lid body (4). It is preferable that the axial length of the annular body (5-2) constituting the lid body holding member (5) is the axial length of the outer side surface (4-4) of the lid body (4) and is longer than the length below the lower bottom surface (4-2) of the columnar body (4-3) provided at the upper part of the lid body (4). Also, the diameter (d5-3) of the circle close to the central axis formed by the ring-shaped body (5-2) is larger than the diameter (d6-1) of the circle formed by the protruding end of the protrusion (6-1) provided near the lower end of the side surface (4-4) of the lid body (4). As a result, as shown in Fig. 6, when the lid body (4) is in the open state, the ring-shaped body (5-1) that protrudes inwardly concentrically with respect to the circle that constitutes the inner circumference continuously or intermittently on the inner circumference near the upper end of the ring-shaped body (5-2) that constitutes the lid body holding member (5) engages with the protrusion (6-1) provided near the lower end of the side surface (4-4), and a part of the lid body holding member (5) formed of the ring-shaped body surrounds the side surface (4-4) of the lid body (4), thereby holding the lid body (4). [Industrial Applicability]

[0018] The lid retaining structure for a portable beverage container of the present invention and the portable beverage container equipped with the same solve both the drawbacks of portable beverage containers having conventional locking mechanisms and the drawbacks of portable beverage containers that have a structure in which the lid is removed from the spout member to drink the beverage, and are therefore expected to be widely used in the field of portable beverage containers in the future. [Explanation of symbols]

[0019] 1 Beverage container body 2 Upper opening of beverage container body (1) 3. Plugging Parts 3-1 Beverage outlet formed in the plug member (3) 4 Lid 4-1 Top surface of the cover (4) [Top bottom surface of the columnar body (4-3)] 4-2 The bottom surface of the columnar body (4-3) of the cover body (4) 4-3 Pillar body of the cover (4) 4-4 A side surface formed of a cylinder provided on the lower bottom surface (4-2) of the columnar body (4-3) of the cover body (4) 4-5 A stopper for opening and closing a beverage outlet (3-1) formed in the stopper member (3) 4-6 A ring-shaped body having a side surface (4-4) provided on the lower bottom surface of the columnar body provided on the lid 5 Lid holding member 5-1 A protrusion provided near the upper end of the ring-shaped body constituting the lid holding member (5) in the axial direction 5-2 A ring-shaped body having a rectangular cross section (cross section of rotation) that constitutes the outer surface of the lid holding member (5) 6-1 A protrusion provided near the lower end of the side surface (4-4) provided on the lower bottom surface (4-2) of the columnar body (4-3) of the cover body (4) 7 Hinge d3 Diameter of the circle formed by the outer circumference of the plug member (3) d4-2: The diameter of the circle at the bottom surface (4-2) of the columnar body (4-3) of the cover body (4) d4-4: The diameter of the cylinder that constitutes the side surface (4-4) provided on the lower bottom surface (4-2) of the columnar body (4-3) of the cover body (4) d5-1: Inner diameter of the ring-shaped body constituting the lid holding member (5) d5-2 Outer diameter of the annular body constituting the lid holding member (5) d5-3 The inner diameter of the annular body with a rectangular cross section that constitutes the outer surface of the lid holding member (5)

Claims

1. A lid body holding structure for a portable beverage container, comprising: a spout member (3) attached to an upper opening (2) of a beverage container body (1); a lid body holding member (5) made of an annular body provided on the upper part of the spout member (3); and a lid body (4) provided on the upper part of the lid body holding member (5), which is detachably attached to the spout member (3) through a central space of the annular body constituting the lid body holding member (5), and which has a plug (4-5) capable of opening and closing a beverage outlet formed in the spout member (3), The cover (4) is provided with a columnar body (4-3) having a circular lower bottom surface (4-2) with its upper surface (4-1) as the upper bottom surface, and the plug (4-5) is provided on the lower bottom surface (4-2) of the columnar body (4-3). The cover (4) is further provided with a ring-shaped body (4-6) having a rectangular cross section, surrounding the plug (4-5) on the lower bottom surface (4-2) of the columnar body (4-3) and having an outer diameter (d4-4) smaller than the diameter (d4-2) of the circle of the lower bottom surface (4-2). wherein the central axis of the plug (4-5) and the annular body (4-6) having a rectangular cross section passes through the center of the circle of the lower bottom surface (4-2) of the lid body (4), and the outer surface (4-4) formed by the annular body (4-6) having a rectangular cross section has a projection (6-1) that protrudes outwardly from the circumference concentrically with respect to a circle constituting the circumference, continuously or intermittently on the circumference near the lower end of the annular body (4-6) in the axial direction, and The lid holding member (5) is constituted by an annular body (5-2) having a rectangular cross section, and includes an annular body (5-1) that protrudes inwardly, concentrically with respect to the circle that constitutes the inner circumference, continuously or intermittently on the inner circumference near the upper end of the annular body (5-2) in the axial direction, and has an inner diameter (d5-1) that is larger than the outer diameter (d4-4) of the annular body (4-6) having a rectangular cross section that constitutes the outer side surface (4-4) of the lid body (4) and smaller than the diameter (d6-1) of the circle formed by the protruding end of a protrusion (6-1) provided near the lower end of the outer side surface (4-4), and further includes a structure in which a part of the outer edge of the annular body (5-2) that constitutes the lid holding member (5) is connected to a part of the outer edge of the plug member (3) by a hinge (7); This results in a lid retaining structure for a portable beverage container, characterized in that when the lid (4) is removed from the spout member (3) to open the beverage outlet, the lid retaining member (5) can retain the lid (4).

2. The axial length of the annular body (5-2) constituting the lid body holding member (5) is the axial length of the outer surface (4-4) of the lid body (4) and is longer than the length below the lower bottom surface (4-2) of the columnar body (4-3) of the lid body (4).

3. 3. A lid holding structure for a portable beverage container as described in claim 1 or 2, wherein the annular body (5-1) protruding inward from the annular body (5-2) constituting the lid holding member (5) is provided circumferentially surrounding a portion of the axial direction of the outer surface (4-4) of the lid (4).

4. 3. A lid retaining structure for a portable beverage container as described in claim 1 or 2, wherein a diameter (d5-3) of an inner circle formed by the annular body (5-2) constituting the lid retaining member (5) is larger than a diameter (d6-1) of a circle formed by a protruding end of a protrusion (6-1) provided near the lower end of the outer surface (4-4) of the lid (4).

5. 3. The lid retaining structure for a portable beverage container according to claim 1 or 2, wherein the outer diameter (d5-2) of the annular body (5-2) constituting the lid retaining member (5) is equal to or exceeds the circular diameter (d4-2) of the lower bottom surface (4-2) of the columnar body (4-3) of the lid (4), and is equal to the outer diameter (d3) of the plug member (3) having a circular cross section.

6. A portable beverage container comprising the lid holding structure for a portable beverage container according to claim 1 or 2.

7. 7. The portable beverage container according to claim 6, further comprising a handle portion connected to the lid holding member (5) of the lid holding structure in the vicinity of the hinge (7).

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