JP2020055544A - Hinge cap - Google Patents

Abstract

To provide a hinge cap capable of securing an air passage for sealing inspection, and suppressing intrusion of shower water into the cap.SOLUTION: A hinge cap which comprises a cap body mounted on a mouth part of a container, and an upper lid continuously provided on the cap body via a hinge is such that: the cap body includes a mounting part being mounted on the mouth part of the container and having a lid engaging part engaged with the upper lid, a base wall extending inward from the mounting part and having a spout opened thereon, and a spout cylinder erected from the base wall; the upper lid includes a top wall, a side peripheral wall provided vertically from a peripheral edge part of the top wall, and a sealing cylinder being provided vertically from an inner surface of the top wall and sealing the spout cylinder of the cap body; and the cap body has a missing part obtained by omitting a part of the lid engaging part at a hinge side, and an inner wall being erected on the base wall by drawing inward the lid engaging part from the missing part, and forms an air passage between the missing part and the inner wall when the lid is closed.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a hinge cap attached to a mouth of a container, and more particularly, to a hinge cap that suppresses intrusion of shower water.

  Conventionally, in a hinge cap in which an upper lid for closing an opening of the cap main body via a hinge portion is continuously provided to a cap main body attached to a mouth portion of a container, a nozzle-shaped ejection portion provided in the cap main body is provided. A hinge cap that seals with a sealing member vertically provided from a lower surface of an upper lid is well known (for example, see Patent Document 1).

  In a hinge cap having a sealing member and a nozzle-shaped spout as described above, the lid is closed after molding, and a sealing test is performed to check whether the seal between the sealing member and the spout is sealed. (Leak inspection) is performed, and in this case, a gap serving as an air passage needs to be provided in the outer peripheral airtight portion between the upper lid and the cap body. However, there is a problem in that it enters the cap.

Japanese Patent Publication No. 3-53182

  An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a hinge cap that secures an air passage for a sealing test and can suppress shower water from entering the cap. I do.

  The present invention, in order to solve the above-described problems, is a hinge cap comprising a cap body attached to a mouth of a container as a hinge cap, and an upper lid connected to the cap body via a hinge, The main body is mounted on the mouth of the container and has a lid engaging portion that engages with the upper lid, a base wall that extends inward from the mounting portion, and has a spout opening, and a vertical wall. A top wall, a side peripheral wall vertically extending from a peripheral edge of the top wall, and a seal vertically extending from an inner surface of the top wall to seal the discharging cylinder of the cap body. A cap body, the cap body includes a missing portion in which a part of the lid engaging portion on the hinge side is missing, and an inner wall standing on the base wall by pulling the lid engaging portion inward from the missing portion. And a configuration wherein an air passage is formed between the missing portion and the inner wall when the lid is closed.

  As a specific embodiment of the hinge cap, a configuration is adopted in which the missing portion is within the range of the hinge, and the height of the inner wall is equal to or higher than the height of the lid engaging portion.

  As a further specific embodiment of the hinge cap, the cap body has an outer wall as a lid engaging portion within a range narrower than the range of the missing portion, and a lower end portion of the hinge side upper lid side peripheral wall. Adopts a configuration in which two notches are formed on the left and right within the range of the hinge.

  The hinge cap of the present invention adopts the above-described configuration, and in a closed state in which the spout cylinder of the cap body is sealed by the seal cylinder of the upper lid, the seal inspection (leakage) of the seal portion between the seal cylinder and the spout cylinder is performed. Inspection), an air passage is ensured, and intrusion of shower water into the cap can be suppressed.

It is a side sectional view showing the state where a hinge cap of a 1st example of the present invention was attached to a container. FIGS. 3A and 3B are explanatory views showing a state in which the hinge cap according to the first embodiment of the present invention is opened, wherein FIG. 3A is a top view and FIG. FIGS. 2A and 2B are explanatory views of a main part of the hinge cap according to the first embodiment of the present invention, wherein FIG. 1A is an enlarged view of the main part of FIG. 1 and FIG. It is a side sectional view showing the state where a hinge cap of a 2nd example of the present invention was attached to a container. It is explanatory drawing which shows the lid open state of the hinge cap of 2nd Example of this invention, (a) is a top view, (b) is a side sectional view. 4A and 4B are explanatory views of a main part of a hinge cap according to a second embodiment of the present invention, wherein FIG. 4A is an enlarged view of a main part of FIG. 4 and FIG.

  The hinge cap of the present invention will be described with reference to the drawings showing an embodiment.

1 and 2, A is a container, B is a cap body attached to the container A, C is a hinge, and D is an upper lid attached to the cap body B via a hinge C so as to be openable and closable.
The container A has a mouth 1 at an upper portion, and a fitting ridge 2 is provided on an outer peripheral surface of the mouth 1.
The hinge C of the present embodiment connects the cap body B and the upper lid D in series, and extends outward from both sides of the hinge section C1 that is deformed when opening and closing, and connects the cap body B and the upper lid D in series. In addition, a hinge mechanism that includes auxiliary wall portions C2 on both sides that shape the angle of the upper lid D when opening and closing, and that connects the cap body B and the upper lid D in a certain wide range is preferable.

  As shown in FIGS. 1 and 2, the cap body B extends inward from the mounting portion 3 mounted on the mouth 1 of the container A and the upper end of the inner edge of the mounting portion 3. It has a base wall 4 to be closed, a pouring tube 5 erected from around a spout that penetrates the base wall 4, and a flow rate adjusting mechanism E connected to a lower end 5 a of the pouring tube 5. .

The base wall 4 includes a wall portion 4a extending from the upper end of the inner periphery of the mounting portion 3 and an inclined portion 4b extending upward and inward from the inner end of the wall portion 4a. A discharge tube 5 is continuously provided at the end.
In the present embodiment, the spouting tube 5 is provided at a position slightly closer to the opposite side of the hinge C, but may be at a central position.

The mounting portion 3 includes an annular lid engaging portion 7 provided with a locking ridge 6 on a peripheral edge thereof to be engaged with the upper lid D, an inner cylinder 8 suspended from an inner peripheral edge of the lid engaging portion 7, An outer peripheral wall portion 9 is provided vertically from the outer peripheral edge of the joint portion 7 and has a hinge C connected to a part of the upper end portion.
The outer peripheral wall portion 9 is provided with an engagement protrusion 10 at the lower portion of the inner periphery thereof for engaging with the fitting protrusion 2 of the mouth 1 of the container A.
Further, first protrusions 19 are provided on the upper end of the outer peripheral wall 9 outside the hinge C on the left and right, and the first protrusions 19 are located at positions opposed to left and right second protrusions 37 of the upper lid D described later. It is provided in.

In this embodiment, as shown in FIG. 2, the lid engaging portion 7 is formed with a notch 11 in which a part on the hinge C side is cut, and the base wall 4 is provided inside the notch 11. On the upper surface of the wall portion 4a, an inner wall 12 having a shape drawn inward from the lid engaging portion 7 is provided upright.
The inner wall 12 is composed of an inclined inner wall 12a extending inward from both the missing ends 7a of the lid engaging portion 7, and an arcuate arc-shaped inner wall 12b connecting the ends of both the inclined inner walls 12a.
In this embodiment, the notch 11 is an opening, and the air passage a is formed in the space between the hinge C side of the inner wall 12 and the notch 11 (the upper surface of the wall 4a). In addition, the inner wall 12 should just be connected with the lid engagement part 7, and a structure is not limited.
If the range of the notch 11 exceeds the range of the hinge C, the shower water tends to enter the air passage a.
The inner wall 12 preferably has an outer surface of the arcuate inner wall 12 b inside the inner peripheral surface of the lid engaging portion 7.

As shown in FIG. 2, a substantially V-shaped outer peripheral cut portion 13 in a plan view on the outer peripheral surface of the outer peripheral wall portion 9 is provided near the left or right of the hinge C on the outer peripheral wall portion 9 while leaving a thin bottom wall 14 at a lower end portion. It is cut from.
At a position corresponding to the outer peripheral cut portion 13 of the engaging projection 10, an inner peripheral cut portion is cut in the vertical direction (not shown), and a vertical tear line is formed.

On the hinge C side of the outer peripheral cut portion 13, a slit groove 15 is recessed from above so as to extend in a circumferential direction from a position separated by an upper thin portion on the inner peripheral side of the end face 13 a as a starting point. The end connecting portion 18 is provided extending from the end surface 13a as a starting point and extending approximately 350 °, and beyond which the outer peripheral wall portion 9 having no slit groove 15 and the lid engaging portion 7 are integrally connected.
A thin connection connecting the outer peripheral wall portion 9 and the lid engaging portion 7 is provided on the inner peripheral side of the bottom surface 16 of the slit groove 15 with the starting point of the slit groove 15 adjacent to the longitudinal tear line as a tearing start point. A portion 17 is provided and is formed so that a circumferential tear line extends in an arc shape.

As shown in FIGS. 1 and 2B, the flow rate adjusting mechanism E includes a peripheral wall 20 that is vertically inclined slightly inward from a lower end 5a of the pouring cylinder 5, and a lower end of the peripheral wall 20. And a bottom wall 21 that extends from the bottom wall 21.
In the peripheral wall 20, a plurality of peripheral wall openings 22 formed in a slit shape in the vertical direction are arranged at intervals.

As shown in FIGS. 1 and 2, the upper lid D is rotatably attached to the outer peripheral upper end of the outer peripheral wall portion 9 of the cap body B via the hinge C, and includes a top wall 30 and a top wall 30. And a side peripheral wall 31 suspended from the peripheral edge of the peripheral wall.
The top wall 30 is provided with a seal cylinder 32 which is inserted from the inner surface into the inner peripheral surface of the dispensing cylinder 5 to be sealed when the lid is closed, and the lower outer periphery of the seal cylinder 32 is filled when the lid is closed. The seal portion b between the seal tube 32 and the pouring tube 5 is formed in close contact with the inner periphery of the outlet tube 5.

An engagement recess 34 that engages with the lid engagement portion 7 of the cap body B is provided in the lower portion of the inner peripheral portion of the side peripheral wall 31.
The engagement recess 34 includes an engagement top surface 34 a that engages with the upper surface of the lid engagement portion 7, and an engagement side portion 34 b that engages with the outer periphery of the locking ridge 6.
On the outer periphery of the side peripheral wall 31 on the side opposite to the hinge C, an arc-shaped handle 35 is provided in the circumferential direction.

At the lower end of the side peripheral wall 31 on the hinge C side, two notches 36 are formed in the left and right auxiliary wall portions C2 of the hinge C, and at the lower end of the outer peripheral wall 31 outside the hinge C, a left and right second notch is formed. A protrusion 37 is provided.
When the lid is closed, the left and right notches 36 communicate with the notch 11 of the lid engaging portion 7 of the cap body B, and further communicate with the outside world via a gap of the hinge C or the like.
Further, the second projection 37 of the upper lid D is located at a position facing the first projection 19 of the cap body B, and when the lid is closed, the first projection 19 and the second projection 37 are combined to form the hinge C. In addition, the shower water is prevented from entering the gaps and the like, and is not hurt when the hinge C is touched with a finger.

  Although not shown, the hinge cap of the present embodiment is provided with a shrink label, a sealing member, and the like between the cap body B and the upper lid D in order to prevent unauthorized opening before use.

Next, a description will be given of a usage mode and an operation effect of the present embodiment.
In the hinge cap of this embodiment, first, the upper lid D is rotated via the hinge C from the state shown in FIG.
At this time, as shown in FIG. 1, the engagement concave portion 34 of the upper lid D and the lid engagement portion 7 of the cap body B are fitted to maintain the lid closed, and the outer peripheral lower part of the seal cylinder 32 of the upper lid D is The sealing portion b between the seal tube 32 and the discharge tube 5 is formed in close contact with the inner periphery of the discharge tube 5 of the cap body B.
Also, as shown in FIGS. 1 and 3, the top surface 34 a of the engagement concave portion 34 of the side peripheral wall 31 of the upper lid D engages with the lid engagement portion 7 of the cap body B except for the missing portion 11. However, since the outer peripheral surface of the arcuate inner wall 12 b of the inner wall 12 is located inside the inner peripheral surface of the side peripheral wall 31 in the portion of the missing portion 11, the inside of the air passage a is connected to the space inside the side peripheral wall 31. It has become.
Further, when the lid is closed, the inside of the hinge cap communicates with the outside world via the air passage a between the inner wall 12 and the notch 11 and the gap between the auxiliary wall portions C2 on both sides of the hinge C.

In the closed state, when a seal inspection (leakage inspection) of the seal portion b between the seal cylinder 32 and the discharge cylinder 5 is performed, the gap between the inner wall 12 and the missing portion 11 of the lid engagement portion 7 is opened. Since the air passage a communicates with the space on the inner periphery of the side peripheral wall 31, a seal test can be easily performed.
The airtightness inspection may be performed by sending air (gas) from below the cap body B and inspecting whether air (gas) leaks into the cap, or by vacuuming the air (gas) from below the cap body B. Good.
Also, when the closed hinge cap is washed with shower water, the first protrusion 19, the second protrusion 37, and the hinge C itself suppress the intrusion of shower water into a gap or the like of the hinge C. Further, since the inner wall 12 is provided inside the notch 11, the intrusion of shower water into the cap is suppressed.

Next, as shown in FIG. 1, the closed hinge cap is plugged and attached to the mouth 1 of the container A filled with the content liquid.
In the capping step, the mouth 1 of the container A is applied to an annular groove formed between the inner cylinder 8 of the mounting portion 3 and the outer peripheral wall 9, and a pressing force is applied from above the upper lid D, and The engaging projection 10 of the portion 9 fits over the fitting ridge 2 of the mouth 1, and the mouth 1 of the container A is engaged with the outer periphery of the inner cylinder 8, the inner periphery of the outer peripheral wall 9, and the lid engagement. It is mounted by being clamped by the part 7.

  Similarly, in the case where the hinge cap and the container A are washed with shower water after the plugging step, the shower water is similarly prevented from entering the cap.

  In this embodiment, the mounting portion 3 holds the mouth 1 of the container A by the outer circumference of the inner cylinder 8, the inner circumference of the outer peripheral wall 9, and the base wall 4. A male screw may be formed on the outer periphery of the mouth portion 1 and a female screw may be formed on the inner periphery of the outer peripheral wall portion 9 to be screwed.

  When opening the hinge cap for the first time in order to use the content liquid in the container A for the first time, it is necessary to remove a shrink label and a sealing member provided between the cap main body B and the upper lid D (not shown). There is.

Next, when the handle 35 of the upper lid D is lifted, the side peripheral wall 31 on the side opposite to the hinge C is lifted, and the engaging concave portion 34 is deformed from this portion, and the locking ridge 6 of the lid engaging portion 7 Are disengaged, the upper lid D is easily opened, and the sealing cylinder 32 of the upper lid D is detached from the pouring cylinder 5 of the cap body B.
After the lid is opened, the liquid in the container A can be easily discharged from the discharge tube 5 simply by tilting the container A.

In the present embodiment, the flow rate adjusting mechanism E is provided at the lower end 5a of the pouring tube 5 of the cap body B, so that the content liquid in the container A is discharged from the pouring tube 5 with the flow rate adjusted. .
Note that the flow rate adjusting mechanism E is not necessarily provided.

  When the discharge of the content liquid is completed, the content liquid in the discharge cylinder 5 is returned from the step portion 5b into the container A through the slit-shaped peripheral wall opening 22 of the flow rate adjusting mechanism E, and the discharge cylinder 5 and the flow rate adjustment are performed. Almost no content liquid remains in the mechanism E.

  By closing the upper lid D again to the cap body B, the lower part of the outer periphery of the sealing cylinder 32 of the upper lid D comes into close contact with the inner periphery of the pouring cylinder 5 of the cap body B, and the sealing part b is formed again. The upper lid D can be repeatedly opened and closed for use.

The hinge cap of the present embodiment can be discarded after using the entire liquid in the container A, separating it from the mouth 1 of the container A.
At this time, when the hinge cap is opened, the upper lid D is gripped with a finger and pulled outward, the portion of the outer peripheral wall 9 connected to the hinge C is pulled and deformed, and the vertical tear line is formed. When the upper lid D is broken and further pulled, the connecting portion 17 forming the circumferential tear line starts to break. As the breaking of the connecting portion 17 progresses, the upper lid D moves away from the cap body B.
When the cutting of the connecting portion 17 is completed to the end portion of the slit groove 15 and the upper lid D is further pulled, the terminal connecting portion 18 integrally connected to the lid engaging portion 7 and the outer peripheral wall portion 9 is pulled outward, and the cap The fitting between the main body B and the mouth 1 of the container A is released, and the hinge cap and the container A can be separated and discarded.
When a separating mechanism is provided in the hinge cap, if a slit or a gap is formed in the mounting portion 3 near the hinge C, the slit or the gap may be communicated with the outside world as an air passage.

Next, a second embodiment in which the configuration of the cap body B and the upper lid D of the first embodiment is changed will be described with reference to FIGS.
Hereinafter, the same components as those of the first embodiment are denoted by the same reference numerals, and the changed portions of the cap body B are denoted by the new reference numerals, and the description will be focused on the differences.

  4 and 5, A is a container, Ba is a cap body attached to the container A, C is a hinge, and Da is an upper lid that is openably and closably attached to the cap body Ba via the hinge C.

  The cap body Ba includes a substantially cylindrical pouring cylinder 40 erected from the periphery of a spout that penetrates the base wall 4, and a flow rate adjusting mechanism E connected to a lower end portion 40 a of the pouring cylinder 40. ing.

In the lid engaging portion 7 on the hinge C side of the cap body Ba, cutouts 45 are formed on both sides away from the central portion on the hinge C side, and between the cutouts 45 on both sides on the hinge C side as outer walls. The hinge-side lid engaging portion 46 provided with the locking ridge 6 is left.
In addition, an inner wall 12 having a shape that is drawn inward from the missing end 7a on the side of the missing portion 45 on both sides of the lid engaging portion 7 is provided upright on the wall 4a of the base wall 4.
The inner wall 12 is composed of an inclined inner wall 12a extending inward from both the missing ends 7a of the lid engaging portion 7, and an arcuate arc-shaped inner wall 12b connecting the ends of both the inclined inner walls 12a.
In the present embodiment, the notch 45 is an opening, and the air passage c is formed between the hinge C side of the inner wall 12 and the inner peripheral surface side of the hinge side lid engaging portion 46.
If the cutouts 45 on both sides are beyond the range of the hinge C, the shower water easily enters the air passage c.

4 and 5, the upper lid Da is rotatably attached to the outer peripheral upper end of the outer peripheral wall portion 9 of the cap body Ba via the hinge C, and includes a top wall 50 and a top wall 50. And a side peripheral wall 31 suspended from the peripheral edge of the peripheral wall.
The top wall 50 has an inner peripheral tube 51 inserted from the inner surface into the inner peripheral surface of the dispensing tube 40 when the lid is closed, and an outer lower portion fitted on the outer peripheral upper portion of the dispensing tube 40 for sealing. The outer peripheral tube 52 to be in a state is vertically provided, and when the lid is closed, a seal portion d is formed by the inner periphery of the outer peripheral tube 52 and the outer periphery of the pouring tube 40.

Next, the operation and effect of this embodiment will be described.
When the hinge cap of the present embodiment is closed, as shown in FIG. 4, the engagement concave portion 34 of the upper lid Da and the lid engagement portion 7 of the cap body Ba are fitted to maintain the lid closed. The lower part of the inner periphery of the outer cylinder 52 of the upper lid Da is in close contact with the upper part of the outer periphery of the pouring cylinder 40 of the cap body Ba, so that a seal portion d is formed.
As shown in FIGS. 4 and 6, the engagement top surface 34 a of the engagement concave portion 34 of the side peripheral wall 31 of the upper lid Da except for the notch 45, the lid engagement portion 7 of the cap body Ba and the hinge side lid. Although it engages with the engaging portion 46, the outer peripheral surface of the arcuate inner wall 12 b of the inner wall 12 is located inside the inner peripheral surface of the side peripheral wall 31 between the notches 45 on both sides, so that the inside of the air passage c is formed. It is designed to be continuous with the space inside the side peripheral wall 31.
Further, when the lid is closed, the inside of the hinge cap communicates with the outside world via the air passage c between the inner wall 12 and the notch 45 and the gap between the auxiliary wall portions C2 on both sides of the hinge C.

  When a seal test (leak test) of the seal portion d between the outer peripheral tube 52 and the discharge tube 40 is performed in the closed state, the notch portions 45 on both sides of the lid engaging portion 7 are opened and the inner wall 12 is hinged. The air passage c between the side lid engaging portion 46 and the inner peripheral space of the side peripheral wall 31 communicates with each other, so that the sealing test can be easily performed.

In the present embodiment, when the lid is closed, the engaging recess 34 on the hinge C side of the upper lid Da and the hinge-side lid engaging portion 46 of the cap body Ba are fitted, so that the hinge C between the upper lid Da and the cap body Ba is fitted. The fitting on the side is strengthened, and the closed state can be maintained.
Other functions and effects are the same as those of the first embodiment.

In the present embodiment, the lower part of the inner periphery of the outer cylinder 52 of the upper lid Da is in close contact with the upper part of the outer periphery of the pouring cylinder 40 of the cap main body Ba, and the seal portion d is formed. A sealing portion 32 may be formed on the inner surface of the top wall 30 by being provided with a sealing portion 32 which is inserted into and adheres to the inner periphery of the discharging tube 5.
The configuration of the pouring cylinder and the sealing cylinder may be any configuration as long as the inside of the pouring cylinder of the cap body and the inside of the container can be sealed.

  The hinge cap of the present invention has an air passage for a leak inspection for inspecting a sealed state of a seal portion between a sealing cylinder and an ejection cylinder in a closed state in which an ejection cylinder of a cap body is sealed by a sealing cylinder of an upper lid. Is secured, and the intrusion of the shower water into the cap can be suppressed.

A Container B, Ba Cap body C Hinge C1 Hinge part C2 Auxiliary wall part D, Da Top lid E Flow control mechanism a, c Air passage b, d Seal part 1 Portion 2 Fitting ridge 3 Mounting part 4 Base wall 4a Wall Part 4b Inclined part 5, 40 Dispensing cylinder 5a, 40a Lower end 5b Step 6 Locking ridge 7 Lid engaging part 7a Missing end part 8 Inner cylinder 9 Outer peripheral wall part 10 Engaging projection 11, 45 Missing part 12 Inner wall 12a Inclined inner wall 12b Arc inner wall 13 Outer perimeter cutout 13a End face 14 Thin bottom wall 15 Slit groove 16 Bottom 17 Connecting part 18 Terminal connecting part 19 First protrusion 20 Peripheral wall 21 Bottom wall 22 Peripheral wall opening 30, 50 Top wall 31 side Peripheral wall 32 Seal cylinder 34 Engaging concave portion 34a Engaging top surface 34b Engaging side portion 35 Handle portion 36 Notch 37 Second protrusion 46 Hinge side lid engaging portion (outer wall)
51 inner cylinder 52 outer cylinder

Claims (4)

A hinge cap comprising a cap body attached to the mouth of the container and an upper lid connected to the cap body via a hinge,
The cap body is attached to the mouth of the container, and has a mounting portion having a lid engaging portion that engages with the upper lid, a base wall extending inward from the mounting portion, and a spout opening, and a base wall. With an upright pouring cylinder,
The top lid includes a top wall, a side peripheral wall vertically provided from a peripheral edge of the top wall, and a seal cylinder which is vertically provided from an inner surface of the top wall and seals an ejection cylinder of the cap body,
The cap body has a notch part in which a part of the lid side engaging part on the hinge side is missing, and an inner wall which stands up on the base wall by pulling the lid engaging part inward from the notch part. A hinge cap, wherein an air passage is sometimes formed between the notch and the inner wall.   2. The hinge cap according to claim 1, wherein the missing portion is within a range of the hinge, and a height of the inner wall is equal to or higher than a height of the lid engaging portion. 3.   The hinge cap according to claim 1, wherein the cap body has an outer wall as a lid engaging portion in a range narrower than a range of the missing portion.   The hinge cap according to any one of claims 1 to 3, wherein two notches are formed on the left and right sides of the hinge at the lower end of the upper lid side peripheral wall within the range of the hinge.

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