JP5055199B2 - Swing cap - Google Patents

Description

  The present invention relates to an ejection cap that is used by being mounted on a container body that contains, for example, powdered or granular contents, and the contents are ejected from an ejection outlet by a shaking operation.

As this kind of swing-out cap, for example, as shown in Patent Document 1 below, a cap that is attached to the mouth portion of a container body that stores contents and that has a swing-out opening for swinging out the contents is formed. A main body and an opening / closing lid that opens and closes the outlet, the top wall of the cap body has the outlet in the front half, and the front wall, bottom wall, and left and right sides in the rear half. A recessed portion defined by a pair of side wall portions and opened rearward is formed, and the front wall portion, the side wall portion, and the bottom wall portion are erected on both side ends of the recessed portion. And a bearing recess defined by a rear wall portion facing the front wall portion, and at both side end portions of the rear half portion covering the recess portion in the opening / closing lid, toward the inside of the recess portion. As the support piece protrudes, this support The structure shaft portion is provided to be fitted into the bearing recess is known to pieces.
In this swing-out cap, the swing-out opening is opened by rotating the shaft portion within the bearing recess and rotating the open / close lid toward the outside in the cap axial direction.
No. 1-8525

  However, in the above-described conventional swing cap, when the content is being swung out, a part of the content enters the bearing recess, and the space between the side wall portion and the outer end surface of the shaft portion that abuts on the side wall portion. By entering and staying, it becomes difficult for the shaft portion to rotate in the bearing recess, and there is a possibility that good opening / closing operation of the opening / closing lid may be hindered.

  The present invention has been made in consideration of such circumstances, and can prevent the contents from entering and staying between the side wall portion and the outer end surface of the shaft portion in contact with the side wall portion. The object is to provide a swing cap.

In order to solve the above problems, the present invention proposes the following means.
The swing cap according to the present invention is attached to the mouth portion of the container main body in which the contents are accommodated, and the cap body in which the swing outlet for swinging out the contents is formed, and the opening and closing for opening and closing the swing outlet A top wall portion of the cap body, the outlet is formed in the front half portion, and the rear half portion is defined by the front wall portion, the bottom wall portion, and a pair of left and right side wall portions, A recessed portion that is open toward the front, and a rear wall that is erected on the front wall portion, the side wall portion, and the bottom wall portion at both end portions of the recessed portion and that faces the front wall portion. And a support recess projecting into the notch at both side ends of the rear half portion covering the notch in the opening / closing lid. A shaft portion fitted into the bearing recess in the support piece is A protruding cap, which is a protruding cap, is provided with a positioning projection projecting toward the other on either one of the side wall and the outer end surface of the shaft that contacts the side wall. The first positioning hole into which the positioning convex portion enters when the opening / closing lid is opened and the second positioning hole into which the positioning convex portion enters when the opening / closing lid is closed are formed. It is characterized by.

According to the swinging cap of the present invention, when the opening / closing lid is moved between the open posture and the closed posture, the positioning convex portion first has either one of the first positioning hole and the second positioning hole. From the first positioning hole and the second positioning hole while sliding on the side wall part or the outer end surface of the shaft part. Will move.
In this process, when the positioning convex portion rides on the side wall portion or the outer end surface of the shaft portion, the support piece bends inward in the left-right direction, so that the space between the side wall portion and the outer end surface of the shaft portion is reduced. By forming a gap, the contents that have entered between the side wall portion and the outer end surface of the shaft portion and the contents that have accumulated on the outer peripheral surface of the shaft portion can be dropped through the gap. Become.
As described above, when the contents are being shaken out, it is possible to suppress a part of the contents from entering between the side wall portion and the outer end surface of the shaft portion, and preventing the shaft portion from rotating within the bearing recess. it can.

  Further, in the swing cap according to the present invention, a support protrusion that supports the shaft portion protrudes from a portion located in the bearing recess in the bottom wall portion, and the support protrusion and the front wall portion and It is preferable that a gap is provided between the rear wall portion.

In this case, since the support protrusion that supports the shaft portion is provided with a gap between the front wall portion and the rear wall portion, the outer end surface of the shaft portion and the side wall portion of the bearing recess as described above. The contents dropped through the gap formed between the two can be easily dropped quickly without staying on the support protrusion.
Therefore, it becomes possible to prevent the contents from being bitten between the shaft portion and the support protrusion, and a favorable opening / closing operation of the opening / closing lid can be reliably maintained.

  According to the swing cap according to the present invention, it is possible to suppress the contents from entering and staying between the side wall portion of the bearing concave portion and the outer end surface of the shaft portion in contact with the side wall portion.

Embodiments of the present invention will be described below with reference to the drawings. The swing cap 10 according to the present embodiment is attached to the mouth of a container main body in which, for example, powdered or granular contents are stored, and the cap main body is formed with a swing outlet 11 for swinging out the contents. 12 and an opening / closing lid 30 that opens and closes the outlet 11.
The cap body 12 is formed in a cylindrical shape with a top, and in the top wall portion 12a, a large number of outlets 11 are formed in the front half portion, and the front wall portion 17, the bottom wall portion 16 and a pair of left and right side walls are formed in the rear half portion. A recessed portion 15 defined by the portion 18 and opened rearward is formed.

Hereinafter, along the cap axis O that passes through the center of the circular shape of the cap body 12 as viewed from above and is orthogonal to the top wall portion 12a, the top wall portion 12a side is the upper side, and the open end side of the peripheral wall portion 12b is the lower side. That's it.
In the illustrated example, the rear end portion 16a of the bottom wall portion 16 of the recessed portion 15 is an inclined surface that gradually extends downward as it goes rearward.

A step portion 19 formed in a rectangular parallelepiped shape that is long in the left-right direction A is provided at a connection portion between the bottom wall portion 16 and the front wall portion 17 in the recessed portion 15.
In addition, a pair of auxiliary wall portions 20, 20 extending rearward from both ends in the left-right direction A on the rear surface of the stepped portion 19 are erected on the bottom wall portion 16 of the recessed portion 15.
Further, as shown in FIG. 2, gaps are provided between both end surfaces 19a and 19a and the auxiliary wall portions 20 and 20 in the left-right direction A of the step portion 19 and the pair of left and right side wall portions 18 and 18, respectively. It has been.

Further, in the front wall portion 17 of the recessed portion 15, each portion located between the pair of left and right side wall portions 18, 18 and both end surfaces 19 a, 19 a of the step portion 19 has a bottom wall portion of the recessed portion 15. A front bearing wall portion (front wall portion) 21 that extends upward from 16 protrudes.
Further, in each of the pair of left and right side wall portions 18, 18, it extends upward from the bottom wall portion 16 of the recessed portion 15 to a position facing the rear end portion of the auxiliary wall portion 20 in the left-right direction A, A rear bearing wall portion (rear wall portion) 22 that faces the bearing wall portion 21 in the front-rear direction B protrudes.

  As described above, the bearing concave portions 23 defined by the front bearing wall portion 21, the side wall portion 18, and the rear bearing wall portion 22 are disposed at both end portions of the recessed portion 15.

  As shown in FIG. 3, in each of the front bearing wall 21 and the rear bearing wall 22, the vertical portions of the opposing surfaces 21 b and 22 b facing each other have a concave curved surface shape along the vertical direction. Indentations 21a and 22a are formed. Further, the facing surfaces 21b and 22b are inclined so that the size of the bearing wall portions 21 and 22 in the front-rear direction B gradually decreases from the outer side to the inner side in the left-right direction A.

  Further, in the present embodiment, in the bottom wall portion 16 of the recessed portion 15, a support protrusion 25 that supports a shaft portion 31, which will be described later, of the opening / closing lid 30 from below is provided at a portion located inside the bearing recess 23. Projected. The support protrusion 25 is provided so as to protrude between the front bearing wall 21 and the rear bearing wall 22 with gaps 26 and 26 in the front-rear direction B. Hereinafter, the gaps 26 and 26 are referred to as a first gap 26.

  As shown in FIGS. 1, 4 (a) and 4 (b), the opening / closing lid 30 includes a lid plate 32 formed in a rectangular shape that is long in the front-rear direction B when viewed from above, and a cap body in the lid plate 32. A pair of support pieces 33, 33 projecting toward the inside of the notch 15 on the lower surface of the rear half portion that covers the twelve notches 15, and the support pieces 33, 33 are fitted into the bearing recesses 23. Shaft portions 31, 31.

In the illustrated example, a large number of plug pieces 34 project from the lower surface of the front half portion of the lid plate 32 that covers the swing opening 11 of the cap body 12, and these plug pieces 34 are placed in the large number of swing openings 11. Each is detachably fitted.
The pair of support pieces 33 and 33 are provided on the lower surface of the rear half portion of the lid plate 32 at intervals in the left-right direction A. Moreover, these support pieces 33 and 33 are plate-like bodies arranged so that the front and back surfaces face the left-right direction A.

  The shaft portion 31 is connected to the lower end of the surface of the support piece 33 facing outward in the left-right direction A, and bulges downward from the lower end of the support piece 33. Further, the shaft portion 31 is formed in a truncated cone shape whose diameter decreases from the inner side to the outer side in the left-right direction A, and its outer end surface 31 a abuts against the side wall portion 18 and its axis extends along the left-right direction A. It is arranged.

  In the above configuration, the opening / closing lid 30 has the shaft portion 31 from the outside in the radial direction, the recess portions 21a and 22a of the front bearing wall portion 21 and the rear bearing wall portion 22, and the upper surface of the support protrusion 25, Thus, the movement in the vertical direction and the front-rear direction B is regulated and is supported on the cap body 12 so as to be rotatable about its axis.

  As shown in FIG. 4A, in the present embodiment, a positioning convex portion 35 projects from the shaft portion 31 toward the outside in the left-right direction A, that is, toward the side wall portion 18. In the illustrated example, the positioning convex portion 35 is gradually reduced in diameter from the inner side to the outer side in the left-right direction A.

  Further, in the portion of the side wall portion 18 located in the bearing concave portion 23 (hereinafter referred to as the side wall portion 18 of the bearing concave portion 23), as shown in FIG. A first positioning hole 28 to enter and a second positioning hole 29 into which the positioning convex portion 35 enters when the opening / closing lid 30 is closed are formed. More specifically, the first positioning hole 28 and the second positioning hole 29 are formed on the lower side of the side wall portion 18 of the bearing recess 23 with a space in the front-rear direction B. The first positioning hole 28 is arranged on the front side in the front-rear direction B from the second positioning hole 29.

  In the present embodiment, a gap 27 is provided between the stepped portion 19 and the auxiliary wall portion 20 and the front bearing wall portion 21, the rear bearing wall portion 22, and the support protrusion 25. Hereinafter, this gap 27 is referred to as a second gap 27. The second gap 27 communicates in the left-right direction A with the first gap 26 between the front bearing wall 21 and the rear bearing wall 22 and the support protrusion 25.

According to the swing cap 10 formed as described above, when the opening / closing lid 30 is opened, the positioning convex portion 35 first rides on the side wall portion 18 from the second positioning hole 29 and then on the side wall portion 18. It moves toward the first positioning hole 28 while being in sliding contact.
In this process, when the positioning convex portion 35 rides on the side wall portion 18, the support piece 33 bends inward in the left-right direction A, so that the space between the side wall portion 18 and the outer end surface 31 a of the shaft portion 31 is increased. As a result of the gap being formed, the contents that have entered between the side wall portion 18 and the outer end surface 31a of the shaft portion 31 and the contents that have accumulated on the outer peripheral surface of the shaft portion 31 are dropped through the gap. It becomes possible.
Further, also when closing the opening / closing lid 30, the positioning projection 35 moves between the first positioning hole 28 and the second positioning hole 29 in the process of moving the side wall 18 and the outer end surface 31 a of the shaft portion 31. A gap is formed between them, and the contents can be dropped as described above.
As described above, when the contents are being shaken out, a part of the contents enters between the side wall portion 18 of the bearing recess 23 and the outer end surface 31 a of the shaft portion 31, and the shaft portion 31 is within the bearing recess 23. It can be suppressed that it becomes difficult to rotate.

Further, since the first gap 26 is provided between the support protrusion 25 and the front bearing wall 21 and the rear bearing wall 22, the outer end surface 31 a of the shaft portion 31 and the bearing recess as described above. The contents dropped through the gap formed between the side wall portion 18 and the side wall portion 18 can be easily dropped into the first gap 26 without staying on the support protrusion 25.
Therefore, it becomes possible to suppress the contents from being bitten between the shaft portion 31 and the support protrusion 25, and a favorable opening / closing operation of the opening / closing lid 30 can be reliably maintained.
Furthermore, a second gap 27 is provided between the stepped portion 19 and the auxiliary wall portion 20, and the front bearing wall portion 21, the rear bearing wall portion 22 and the support projection 25, and this second gap 27 is Since it communicates with the first gap 26, the contents that have entered the bearing recess 23 are removed from the gap between the side wall portion 18 and the outer end surface 31 a of the shaft portion 31, the first gap 26, and the second gap. It can be reliably discharged outside the bearing recess 23 through the gap 27.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above embodiment, the positioning holes 28 and 29 are provided in the side wall portion 18 and the positioning convex portion 35 is provided in the outer end surface 31 a of the shaft portion 31. The positioning convex portion 35 may be provided on the outer end surface 31a of the shaft portion 31, and the positioning holes 28 and 29 may be provided on the outer end surface 31a. In this case, the first positioning hole 28 is disposed on the rear side in the front-rear direction B with respect to the second positioning hole 29.

  Moreover, although the step part 19 and the auxiliary | assistant wall part 20 were formed in the said embodiment, these may not be necessary.

Moreover, in the said embodiment, although the support protrusion 25 was formed, the support protrusion 25 does not need to be.
In the above embodiment, the support protrusion 25 is formed with the first gap 26 in the front-rear direction B between the front bearing wall 21 and the rear bearing wall 22. You may form the support protrusion 25, without providing.

  In the above-described embodiment, a large number of outlets 11 are formed in the cap body 12, while a large number of plug pieces 34 are provided in the opening / closing lid 30. May be.

  In addition, it is possible to appropriately replace the constituent elements in the above-described embodiments with well-known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

  It is possible to prevent the contents from entering and staying between the side wall portion of the bearing concave portion and the outer end surface of the shaft portion in contact with the side wall portion.

It is a longitudinal cross-sectional view of the swing-out cap shown as one Embodiment which concerns on this invention. It is a top view of the cap main body of the swing-out cap shown in FIG. It is a perspective view of the cap main body shown in FIG. (A) is a side view of the opening-and-closing lid shown in FIG. FIG. 2B is a front view of the opening / closing lid shown in FIG. 1.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Swing-out cap 11 Swing-out opening 12 Cap main body 12a Top wall part 15 Recessed part 16 Bottom wall part 17 Front wall part 18 Side wall part 21 Front side bearing wall part (front wall part)
22 Rear bearing wall (rear wall)
23 bearing recess 25 support protrusion 26 first gap (gap)
28 1st positioning hole 29 2nd positioning hole 30 Opening-closing lid 31 Shaft part 31a Outer end surface 33 Supporting piece 35 Positioning convex part

Claims (2)

A cap body that is attached to the mouth portion of the container main body in which the contents are accommodated, and in which a swing-out opening for swinging out the contents is formed,
An opening / closing lid for opening and closing the outlet,
In the top wall portion of the cap body, the outlet is formed in the front half portion, and the recess formed in the rear half portion is defined by the front wall portion, the bottom wall portion, and a pair of left and right side wall portions and is opened rearward. Part is formed,
Bearing concave portions defined by the front wall portion, the side wall portion, and a rear wall portion standing on the bottom wall portion and opposed to the front wall portion are arranged at both end portions of the recess portion. Established,
A support piece protrudes toward the inside of the recessed portion at both end portions of the rear half portion of the opening / closing lid that covers the recessed portion, and a shaft portion that is fitted into the bearing recessed portion is provided on the support piece. A drawn out cap,
When either one of the side wall part and the outer end surface of the shaft part in contact with the side wall part is provided with a positioning projection toward the other, the other is when the opening / closing lid is opened. And a first positioning hole into which the positioning convex portion enters, and a second positioning hole into which the positioning convex portion enters when the opening / closing lid is closed. In the swing-out cap according to claim 1,
A support protrusion that supports the shaft portion is provided at a portion of the bottom wall portion that is located in the bearing recess, and a gap is formed between the support protrusion and the front wall portion and the rear wall portion. A swing cap characterized by being provided.

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