JP2013154888A - Lid, and container having the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lid capable of improving the close attachment between a projecting part and a vent hole even when a flap part is integrally formed, and a container having the same.SOLUTION: A resin-made lid is mounted on a container body having an opening in its upper section, and includes a body part 21 having a vent hole 217 which closes the opening of the container body, and communicates with the inside of the container body, and a flap part 22 having a base part 221, a hinge part 222 provided on one end of the base part and connected to the body part, and a projecting part 226 provided on the other end part side of the base part and sealably fitted to the vent hole, while the projection part is rockably constituted by the hinge part between the first position where the projecting part is fitted to the vent hole and the second position where the projecting part opens the vent hole. The body part and the flap part are integrally formed with each other. When the flap part is moved from the second position to the first position, at least a part of the front end of the projecting part is abutted on a part opposite to the hinge part out of an opening circumferential edge of the vent hole, and then, the projecting part is fitted to the vent hole as the flap part is elastically deformed.

Description

  The present invention relates to a lid and a container provided with the lid.

  Conventionally, various containers for sealing foods have been proposed. For example, Patent Document 1 discloses a container that is sealed by attaching a lid to a container body having an opening in the upper part. The container lid is provided with a swingable flap portion, and the flap portion is configured to open and close a vent hole formed in the lid. More specifically, the protruding portion provided on the lower surface of the flap portion is fitted into the vent hole so as to be in a sealed state, and the protruding portion can be detached from the vent hole and vented into the container by raising the flap portion. It can be. In this way, the container can be sealed by closing the vent hole with the flap portion, while the vent portion is opened when the flap portion is operated to open the vent hole, for example, when food is heated in a microwave oven. The vapor inside the container can be released moderately. Moreover, in this container, the adhesiveness of a protrusion part and a vent hole is improved by attaching an annular gasket to a protrusion part.

JP 2004-113776 A

  By the way, as described above, when an annular gasket is attached to the projecting portion, there is a problem that the number of parts increases although the adhesion between the projecting portion and the vent hole is improved. In addition, if the gasket is detached and lost, there is a problem that the container cannot be sealed. On the other hand, it is also conceivable to fit the protrusion into the vent hole without using a gasket. However, when the flap portion is formed integrally with the lid body, it is not easy to bring the projecting portion and the vent hole into close contact with each other with high accuracy. For example, if the adhesiveness is poor, not only can the container be sealed, but also the protrusion may be easily detached from the vent hole. Such a problem is a problem that may occur not only for food containers but also for all containers that need to be able to be sealed and ventilated.

  Accordingly, the present invention has been made to solve the above-described problem, and includes a lid body that can ensure adhesion between the protruding portion and the vent hole even when the flap portion is integrally formed. The purpose is to provide an open container.

  The present invention is a lid attached to a container main body having an opening in the upper part, the main body having a vent hole that closes the opening of the container main body and communicates with the inside of the container main body, a base, and the base A hinge portion provided at one end portion and connected to the main body portion; and a protrusion portion provided at the other end portion side of the base portion and fitted in the air hole so as to be hermetically sealable, and the protrusion portion is fitted into the air hole. A flap portion configured to be swingable by the hinge portion between a full first position and a second position where the vent hole is opened, and the main body portion and the flap portion are integrated with resin. And when the flap portion transitions from the second position to the first position, at least a part of the tip of the projecting portion is on the opposite side of the opening edge of the vent hole from the hinge portion. After the contact, the elastic deformation of the flap It said projection Te is configured to fit the vent.

  According to this configuration, when the flap portion transitions from the second position to the first position, the protrusion portion contacts the opposite side of the opening portion of the vent hole from the hinge portion, and then the elasticity of the flap portion is reached. The projecting portion is configured to fit into the vent hole with the deformation. Therefore, the protrusion can be fitted into the vent hole in a state where the elastic force is applied. Accordingly, it is possible to improve the adhesion between the vent hole and the protruding portion. In particular, when the vent hole and the protruding portion are aligned as described above, in addition to the adhesiveness by adjusting the outer diameter of the vent hole and the inner diameter of the protruding portion, it is possible to obtain the adhesiveness using elastic force. Can be advantageous. In the present invention, the elastic deformation of the flap portion means that elastic deformation occurs in any of the flap portions. That is, it is only necessary that at least one of the base part, the hinge part, or the protruding part bend so that the protruding part fits into the vent hole. Further, the second position of the flap portion is not particularly limited, and may indicate any state in which the protruding portion is separated from the vent hole, and may be at any angle within the range in which the flap portion swings. The tip of the protruding portion is a concept including the tip surface and the periphery thereof, and the opening peripheral portion of the vent is a concept including the peripheral edge of the opening and the inner wall surface of the opening.

  The protruding portion can be formed, for example, such that the diameter decreases from the flap portion toward the distal end side. If it does in this way, a clearance gap between both will become small as a protrusion part approachs a vent hole, and it can fit a protrusion part in a vent hole finally in the state without a clearance gap. Therefore, it becomes easy for the protruding portion to enter the vent hole, and it is possible to absorb the dimensional error and improve the adhesion.

  In the lid body, the flap portion is further provided with a first locking piece attached to the other end side of the base portion, and the main body portion can be locked with a portion facing the hinge portion side of the first locking portion. Two locking portions can be further provided, and the first and second locking portions can be locked when the flap portion is in the first position. By doing so, since the first and second locking portions are locked when the flap portion is in the first position, the flap portion can be held in the first position, and the protruding portion can be removed from the vent hole. It is possible to prevent accidental disconnection. Further, when the flap portion transitions from the second position to the first position, the protrusion fits into the vent hole while moving to the hinge portion side along with the elastic deformation of the flap portion. The base part of the flap part is pulled toward the hinge part side. At this time, since the portion of the first locking portion facing the hinge portion and the second locking piece are locked, the locking portion is locked so as to be more closely contacted when the base portion is pulled. As a result, the locking state of both locking portions becomes strong, and the flap portion can be held more strongly at the first position.

  The flap portion may further include at least one first rib extending from one end side of the base portion to the other end side. This has the following advantages. In general, when molding is performed with a resin, there is a risk of warping of the molded product. In the present invention, it is important to align the protruding portion and the vent hole. However, for example, when the flap portion warps, the relative positional relationship between the protruding portion and the vent hole shifts, and the flap portion is not aligned. There is a possibility that the projecting portion does not come into contact with the opening periphery of the vent hole before the transition to the position 1. Then, the curvature of a flap part can be prevented by providing the above 1st ribs in the base part of a flap part. As a result, it is possible to accurately align the protrusion and the vent hole.

  In the lid body, the other end portion side of the base portion of the flap portion is formed in an arc shape, and the base portion has a predetermined interval from the other end portion to the one end portion side, and a first interval from the one end portion to the other end portion is formed. A second rib extending in a second direction orthogonal to the one direction can be provided. By providing such a rib, a flap part can be reinforced and curvature is prevented. Further, since the second rib is arranged at a predetermined interval from the end of the base formed in an arc shape, the second rib is used when the flap is raised by hooking a finger on the other end of the base. Can be prevented.

  The container according to the present invention includes a container main body having an opening in the upper part, and the lid body attached to the container main body and described above. The container used here is not particularly limited, and for example, a resin product, a glass product, or the like can be used.

  According to the present invention, it is possible to improve the adhesion between the inner wall surface of the vent hole and the protruding portion.

It is a perspective view which shows one Embodiment of the container which concerns on this invention. It is a perspective view of a container main body. It is a front view of a container main body. It is a top view of a lid. It is a bottom view of a lid. It is an expansion perspective view which shows the state which opened the flap part. It is sectional drawing of a flap part and its vicinity. It is the top view which looked at the flap part from the lower surface side. It is sectional drawing which shows the operation | movement which closes a vent hole. It is sectional drawing which shows the relationship of the shape of a protrusion part and an air vent. It is sectional drawing which shows the positional relationship of a protrusion part and a vent hole.

  Hereinafter, an embodiment in the case where the present invention is applied to a lid for containing food and a closed container will be described with reference to the drawings. In the following description, the horizontal direction in FIG. 4 is referred to as the width direction, and the vertical direction is referred to as the longitudinal direction, and the upper side in FIG. 4 is the first end (one end) side and the lower side is the second end (the other end). Part) side, and other drawings will be described on the basis of this.

FIG. 1 is a perspective view of a container according to this embodiment. As shown in the figure, the container according to the present embodiment includes a container body 1 having an opening in the upper part, a lid body 2 that closes the upper opening of the container body 1, a seal member 3 for fixing both of them in a liquid-tight state, It is comprised by. These will be described in detail below.
<1. Container body>
FIG. 2 is a perspective view of the container body, and FIG. 3 is a front view of the container body. As shown in FIGS. 2 and 3, the container main body 1 is integrally formed of a resin and is formed in a rectangular parallelepiped shape whose upper part is open. The upper end portion 11 of the container body 1 is formed in a rectangular shape in plan view in which four corners are formed in an arc shape, and includes a folded portion 111 that is folded outward. Thereby, the upper end part of the container main body 1 is formed in the cross-section inverted U shape, and the upper end surface 112 is flat. A flange portion 113 that protrudes outward in the horizontal direction is formed at the lower end of the folded portion 111. In addition, a grip portion 114 that protrudes further outward from the flange portion 113 from the folded portion 111 is formed at each end portion in the longitudinal direction. Each gripping portion 114 is formed in a plate shape extending in the width direction, and projecting portions 115 projecting downward are formed on both ends of the lower surface thereof. The resin constituting the container body 1 is not particularly limited as long as it has heat resistance and can be elastically deformed. For example, polypropylene, saturated polyester, or the like can be used.

<2. Lid>
4 is a plan view of the lid, FIG. 5 is a bottom view of the lid, and FIG. 6 is an enlarged perspective view showing a state in which the flap portion is opened. As shown in FIGS. 4 and 5, the lid body 2 includes a flat main body portion 21 and a plate-like flap portion 22 disposed on the upper surface of the main body portion 21. Moreover, the 1st fixing | fixed part 23 fixed to the container main body 1 is each provided in the both ends of the longitudinal direction of the main-body part 21, and the 2nd fixing fixed to the container main body 1 in each of the both ends of the width direction of the main-body part 21 is provided. A portion 24 is provided. And these main-body parts 21, the flap part 22, and each fixing | fixed part 23 and 24 are integrally shape | molded by resin. The resin used here is not particularly limited, but the same material as the container body 1 can be used.

  The main body 21 is formed in a rectangular shape in plan view with arcs at the four corners. An annular peripheral ridge 211 is formed on the periphery of the upper surface of the main body 21, and an annular peripheral groove 212 is formed on the periphery of the lower surface of the main body 21 so as to correspond thereto. The width t1 of the peripheral groove 212 is larger than the width t2 of the upper end surface 112 because the upper end surface 112 of the container body 1 is received. The peripheral groove 212 is fitted with a seal member 3 made of a hollow O-ring. The seal member 3 is formed in an annular shape, and the inner circumference in the natural length is smaller than the inner circumference of the peripheral groove 212. Therefore, when the seal member 3 is fitted in the peripheral groove 212, the seal member 3 needs to be elastically extended and fitted. As a result, the seal member 3 is held in the peripheral groove 212 by elastic force. Further, the width t1 of the peripheral groove 212 is larger than the width t3 of the seal member 3, so that when the seal member 3 is attached, the gap between the inner wall surface outside the peripheral groove 212 and the seal member 3 is increased. A slight gap is formed. Further, the inner wall surface 2121 inside the peripheral groove 212 is inclined outward from the top to the bottom, and the inclination of the inner wall 2121 prevents the seal member 3 from being detached from the peripheral groove 212. It has been stopped. Note that the width t1 of the peripheral groove 212 is preferably about 1.1 to about 1.3 times the width t2 of the upper end surface 112 of the container body 1 and the width t3 of the seal member 3.

  A rectangular central raised portion 213 is formed at the center of the upper surface of the main body 21 with a predetermined distance from the peripheral raised portion 211, and a rectangular shape is formed on the lower surface of the main body 21 so as to correspond to this. The central recess 214 is formed. Thereby, a flat base 210 is formed between the peripheral ridge 211 and the central ridge 213. As shown in FIG. 6, the central raised portion 213 is formed with a rectangular first recess 215 extending from the first end in the longitudinal direction to the second end, and the first recess 215 includes: The flap part 22 is accommodated. Further, a circular vent hole 217 penetrating the main body portion 21 is formed on the second end side of the first recess 215. Since the depth of the first recessed portion 215 is smaller than the height of the central raised portion 213 and is substantially the same as the thickness of the flap portion 22, as described later, when the flap portion 22 is folded, the upper surface of the flap portion 22 It is comprised so that the upper surface of the center protruding part 213 may be on the substantially same plane. A second recess 216 having a semicircular shape in plan view and having the same width as the first recess 215 is connected to the tip of the first recess 215, that is, the second end side. Since the second recess 216 is deeper than the first recess 215, a step 219 is formed at the boundary between the first recess 215 and the second recess 216. However, since the depth of the second recessed portion 216 is smaller than the height of the central raised portion 2, the bottom surface of the second recessed portion 216 is at a position higher than the base portion 210 (see FIG. 7). Therefore, for example, when stacking the plurality of lids 2, the bottom surface of the base 210 that protrudes downward between the peripheral groove 212 and the central recess 214 does not interfere with the bottom surface of the second recess 216. Is fitted between the central raised portion 213 and the peripheral raised portion 211 of the lid body, and the positions of the upper and lower lid bodies are held together.

  Next, the flap part 22 is demonstrated in detail, referring FIG.7 and FIG.8. FIG. 7 is a cross-sectional view of the flap portion and its vicinity, and FIG. 8 is a plan view of the flap portion viewed from the lower surface side. The flap portion 22 has a plate-like base portion 221 having a rectangular shape in plan view, and the base portion 221 is integrally attached to the first end portion side of the first recess 215 via a hinge portion 222. The width of the base 221 is slightly smaller than the width of the first recess 215, and extends in the longitudinal direction so as to slightly protrude from the edge of the first recess 215 on the second end side to the second recess 216. Yes. The second end side of the base portion 221 is formed in an arc shape, and a part of the arc portion projects from the first recess 215 to the second recess 216. Further, side ribs 223 extending in the longitudinal direction (first direction) are provided on the lower surface of the base portion 221 along both sides in the width direction. Each side rib 223 extends to the vicinity of the boundary between the first recess 215 and the second recess 216, and is connected by a transverse rib 224 extending in the width direction (second direction). The transverse rib 224 is formed with an L-shaped first locking piece (first locking portion) 225 extending downward. As will be described in detail later, the first locking piece 225 is a second locking piece (second second) protruding from the upper end of the step 219 at the boundary between the first recess 215 and the second recess 216 to the second end side. The locking portion) 218 is locked. Further, on the lower surface of the base portion 221, a protruding portion 226 that is disposed so as to be surrounded by the three ribs 223 and 224 and fits into the vent hole 217 of the main body portion 21 is formed. The projecting portion 226 is formed in a cylindrical shape and has a diameter slightly smaller as it goes downward. More specifically, the diameter of the tip of the protrusion 226 is smaller than the inner diameter of the vent hole 217, but the diameter increases toward the base 221 side, and is larger than the inner diameter of the vent hole 217 near the middle. .

  The hinge part 222 of the flap part 22 is configured by a thin part formed integrally with the base part 221. More specifically, as shown in FIG. 7, when the flap portion 22 is erected vertically, the hinge portion 222 is formed on a flat surface continuous with the base portion 221 on the upper surface side of the flap portion 22. The lower surface side of the flap portion 22 is formed in a concave shape, thereby forming a hinge portion 222 that is thinner than the base portion 221.

  Next, the positional relationship between the protruding portion 226 of the flap portion 22 and the vent hole 217 of the main body portion 21 will be described with reference to FIG. FIG. 9 is a cross-sectional view showing the operation of closing the vent hole. When the flap portion 22 is folded from a standing state (an example of the second position, see FIG. 7) to a state parallel to the first recess 215 (first position), the protrusion 226 of the flap portion 22 directly forms the vent hole 217. As shown in FIG. 9A, first, the second end side of the tip of the protrusion 226 abuts on the peripheral edge of the vent hole 217 on the second end side. At this time, a range (diameter in the radial direction) D2 of the front end of the protruding portion 226 that is in contact with the peripheral edge of the vent hole 217 is, for example, about 10 to about 20% of the diameter D1 of the front end of the protruding portion 226 It is preferable. When the flap portion 22 is pushed downward from this state, the flap portion 22 is elastically deformed, so that the protruding portion 226 moves to the first end portion side and fits into the vent hole 217, and the first locking is achieved. The piece 225 and the second locking piece 218 are also locked. At this time, since the base 221 is slightly pulled toward the first end as the protrusion 226 is fitted into the vent hole 217, the first locking piece 225 is also pulled toward the second locking piece 218. . Thereby, the latching state of both the latching pieces 225 and 218 is strengthened. The elastic deformation of the flap portion 22 means that elastic deformation occurs in any of the flap portions 22. That is, the base 221, the hinge 222, or the protrusion 226 may be configured to be bent so that the protrusion 226 moves to the first end side and fits into the air hole 217.

  Next, each fixing part provided in the main body part 21 will be described. As shown in FIG. 4, the first fixing portion 23 is fixed to the grip portion 114 of the container body 1, is formed in a plate shape, and extends in the longitudinal direction of the main body portion 21 via the thin hinge portion 231. Attached to both ends. By this hinge portion 231, the first fixing portion 23 is bent downward. Further, a through hole 232 extending in the width direction is formed in the first fixing portion 23, and the grip portion 114 shown in FIGS. 2 and 3 is fitted into the through hole 232. After the grip portion 114 is fitted into the through hole 232, the downwardly extending protrusion 115 is locked to the lower edge of the through hole 232, thereby preventing the grip portion 114 from being detached from the through hole 232.

  On the other hand, as shown in FIG. 5, the 2nd fixing | fixed part 24 is fixed to the folding | returning part 111 of the container main body 1, and is formed in the plate shape extended in a longitudinal direction. The second fixing portion 24 is attached to both end portions in the width direction of the main body portion 21 via a pair of thin hinge portions 241 arranged at a predetermined interval. The hinge portion 241 causes the second fixing portion 24 to be bent downward. In addition, a pair of locking protrusions 242 are formed on the lower surface of the second fixing portion 24 so as to be arranged at predetermined intervals in the longitudinal direction. The locking projection 242 is formed in an L-shaped cross section, and the bent portion of the tip is locked from the lower side of the folded portion 111 of the container body 1.

<3. How to use the container>
Then, the usage method of this container is demonstrated. First, food is accommodated in the container body 1 and the lid 2 is attached. At this time, the lid body 2 is attached so that the upper end portion 11 of the container body 1 fits into the peripheral groove portion 212 of the lid body 2. Thereby, the upper end part 11 of the container main body 1 contacts the seal member 3 accommodated in the peripheral groove part 212. From here, if the lid 2 is pushed into the container main body 1 against the elastic force of the seal member 3, the seal member 3 is pressed against the upper end 11 of the container main body 1, and the degree of adhesion between the two increases. 3 is deformed in the width direction. As described above, since the width of the peripheral groove 212 is larger than the width when the seal member 3 is not loaded, the seal member 3 expands over the entire width direction of the peripheral groove 212 when pushed. As a result, the contact area between the peripheral groove 212 and the seal member 3 increases. Thus, the close contact between the peripheral groove 212, the seal member 3, and the upper end 11 of the container body 1 is improved, so that the leakage of food from the container body 1 can be reliably prevented.

  And after pushing in the cover body 2 to some extent, each fixing | fixed part 23 and 24 is bent downward. That is, the first fixing portion 23 is bent so that the gripping portion 114 is inserted into the through hole 232. In addition, the second fixing portion 24 is similarly bent, and the locking projection 242 is locked to the lower end of the folded portion 11 of the container body 1. When the hand is released from the lid 2 in this state, a force acts in a direction in which the lid 2 and the container body 1 are separated by the elastic force of the seal member 3. Thereby, force acts so that the through-hole 232 of the 1st fixing | fixed part 23 and the holding | grip part 114 mutually press. Similarly, force acts between the locking protrusion 242 of the second fixing portion 24 and the folded portion 111 so as to press each other. In this way, the fixing portions 23 and 24 are firmly fixed to the container body 1.

  In this state, when the food is stored in a sealed state, the vent hole 217 may be closed. As described above, when the flap portion 22 is bent, a part of the tip of the protruding portion 226 first comes into contact with the peripheral edge of the vent hole 217 on the second end side. Subsequently, when the flap portion 22 is further pushed downward, the flap portion 22 is elastically deformed so that the protruding portion 226 moves to the first end side and is fitted into the vent hole 217. At the same time, the first locking piece 225 and the second locking piece 218 are also locked, and the flap portion 22 is fixed. In this way, since the vent hole 217 is blocked by the protrusion 226, the food can be stored in a sealed state. On the other hand, when heating the food stored in the microwave oven, the flap portion 22 is pulled up and the protruding portion 226 is detached from the vent hole 217. If the container is accommodated in the microwave oven and heated in this state, the steam in the container is released appropriately, and the food can be heated while protecting the food from being too steamed or dried. In addition, in the state which removed the cover body 2 after heating with the microwave oven, the container main body 1 can be moved by holding the holding part 114 by hand. That is, since the container body 1 after heating has a high temperature on the side surface and the bottom surface, the holding portion 114 can reduce the heat.

<4. Features of the container>
As described above, according to the present embodiment, when the flap portion 22 transitions to the folding position (first position), the protruding portion 226 contacts the second end side of the opening periphery of the vent hole 217. After that, by pushing the flap portion 22, the protruding portion 226 is configured to fit into the vent hole 217 as the flap portion 22 is elastically deformed. Therefore, the protruding portion 226 is in close contact with the inner wall surface of the vent hole 217 in a state where the elastic force is applied. Therefore, the adhesion between the inner wall surface of the vent hole 217 and the protrusion 226 can be improved, and the sealing performance of the container can be improved. At this time, the flap portion 22 is pulled toward the first end side as the projecting portion 226 fits into the vent hole 217, so that the first and second locking pieces 225, 218 are in close contact with each other. To do. Therefore, the locking state of both locking pieces 225 and 218 is strengthened, and the flap portion 22 can be strongly held in the folded state.

  In addition, since the protruding portion 226 is tapered so that the diameter decreases from the flap portion 22 toward the distal end side, the gap between the protruding portion 226 and the protruding portion 226 enters the vent hole 217. The projecting portion 226 can be fitted into the vent hole 217 in a state where it becomes smaller and finally there is no gap. In addition, there is an advantage that the protruding portion 226 can be smoothly fitted into the vent hole 217.

  As described above, since the width t1 of the peripheral groove 212 of the lid body 2 is formed larger than the width t2 of the upper end surface 112 of the container body 1, the container body 1 and the lid are heated by, for example, heating a microwave oven. Even when at least one of the bodies 2 is deformed, the peripheral groove 212 can receive the upper end surface 112 of the container body 1 by absorbing the deformation. Further, by making the width t1 of the peripheral groove 212 of the lid 2 wider than the width t3 of the unloaded seal member 3, the seal member 3 can be easily fitted into the peripheral groove 212 during assembly, so that the manufacturing efficiency is greatly improved. To do.

<5. Modification>
As mentioned above, although one Embodiment of this invention was described, this invention is not limited to the said embodiment, A various change is possible unless it deviates from the meaning. For example, in the above embodiment, the protrusion 226 is tapered so that the diameter decreases toward the tip. However, the present invention is not limited to this. For example, as shown in FIG. 10A, the projecting portion 226 is formed in a cylindrical shape with a constant diameter, and the vent hole 217 has a diameter that decreases from the upper surface to the lower surface of the main body portion 21. It can also be formed. Moreover, as shown in FIG.10 (b), you may make both the protrusion part 226 and the inner wall face of the vent hole 217 incline. Further, as shown in FIG. 10C, the protrusion 226 can be tapered only near the tip. Further, the protrusion 226 may have a cross section other than a circle, and may be formed in a polygonal cross section, for example. However, it is necessary to form the vent holes 217 in a polygonal shape in accordance with this.

  Further, the contact state with the peripheral edge of the vent hole 217 before the protrusion 226 is fitted into the vent hole 217 is not limited to the above. For example, as shown in FIG. 11, the tip surface of the protrusion 226 (the portion that is not the tapered surface) is in contact with the peripheral edge of the vent hole 217 (FIG. 11A), and the tip surface of the protrusion 226 is the vent hole 217. 11 (b), the tapered surface of the protrusion 226 abuts the periphery of the vent hole 217 (FIG. 11c), and the tapered surface of the protrusion 226 is the vent hole 217. Any state in contact with the inner wall surface (FIG. 11D) may be used. That is, the protrusion 226 fits into the vent hole 217 in a state in which the protrusion 226 is in contact with the opening peripheral edge of the vent hole 217, that is, either the opening peripheral edge or the inner wall surface. The protrusion 226 and the vent hole 217 need only be in a positional relationship that does not occur.

  The form of the 1st and 2nd locking piece (locking part) is not specifically limited, Both should just be in a locked state. For example, the first locking piece 225 may have a curved shape in addition to the L shape. Further, the second locking piece 218 is provided so as to protrude from the step 219 at the boundary between the first recess 215 and the second recess 216. For example, the second locking piece 218 has a recess as the second locking portion in the step 219. And a protrusion (L-shaped tip) facing the hinge portion 222 side of the first locking piece 225 can be locked in this recess.

  Moreover, in the said embodiment, although the flap part 22 is provided in the 1st end part side of the center protruding part 213, the position of the flap part 22 is not specifically limited, It provides in any position of the main-body part 21. Can do. For example, the hinge part 222 of the flap part 22 can be provided on the second end part side so that the tip of the flap part 22 faces the first end part side of the central raised part 213. At this time, if the 2nd latching piece 218 is provided in the edge by the side of the 1st end part of the center protruding part 213, the flap part 22 can be hold | maintained in a folded state.

  In the said embodiment, although the adhesiveness of the container main body 1 and the cover body 2 is improved by providing the sealing member 3, it is not limited to this, The sealing member 3 is not provided, but the container main body 1 The dimension can also be set so that the upper end portion 11 and the peripheral groove portion 212 of the lid body 2 are in close contact with each other.

  In the said embodiment, although the said container is used for foodstuffs, it can be used also for various objects other than foodstuffs. That is, the lid body 2 and the container according to the present invention can be applied to all objects that require a sealed state and a vented state.

DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid | cover body 21 Main body part 217 Vent hole 218 2nd locking piece (2nd locking part)
22 flap part 221 base 223 side part rib (1st rib)
224 Crossing rib (second rib)
222 Hinge portion 225 First locking piece (first locking portion)
226 Projection

Claims (6)

A lid attached to a container body having an opening at the top,
A main body having a vent hole for closing the opening of the container main body and communicating with the inside of the container main body;
A base portion, a hinge portion provided at one end portion of the base portion and connected to the main body portion, and a protrusion portion provided on the other end portion side of the base portion and fitted in the air hole so as to be hermetically sealable, the protrusion portion being A flap portion configured to be swingable by the hinge portion between a first position that fits into the vent hole and a second position that opens the vent hole;
With
The main body portion and the flap portion are integrally formed of resin,
When the flap portion transitions from the second position to the first position, at least a part of the tip portion of the protruding portion abuts on the opposite side of the opening peripheral edge of the vent hole from the hinge portion. And a lid configured to fit the projection into the vent as the flap portion is elastically deformed.   The lid according to claim 1, wherein the protruding portion is formed so that the diameter decreases from the base side toward the tip side. The flap portion further includes a first locking portion attached to the other end side of the base portion,
The main body further includes a second locking portion that can be locked with a portion of the first locking piece facing the hinge portion side,
The lid according to claim 1 or 2, wherein the first and second locking portions are locked when the flap portion is in the first position.   The lid according to any one of claims 1 to 3, wherein the flap portion further includes at least one first rib extending from one end side to the other end side of the base portion. The other end of the base of the flap is formed in an arc shape,
The base is provided with a second rib extending in a second direction perpendicular to the first direction from the one end to the other end with a predetermined interval from the other end to the one end. The lid according to any one of claims 1 to 4. A container body having an opening at the top;
The lid according to any one of claims 1 to 5, which is attached to the container body;
Equipped with a container.

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