JP6531048B2 - Swing cap - Google Patents

Description

  The present invention relates to a swing cap.

As this kind of swing-out cap, for example, as shown in the following Patent Document 1, a cap body attached to the mouth of the container body in which the contents are accommodated, and formed with a swing-out port for swinging out the contents And an opening / closing lid for opening and closing the feeding opening, wherein the feeding opening is formed in the front half portion at the top wall portion of the cap main body, and the front wall portion, the bottom wall portion and the left and right side wall portions in the rear half portion Are formed on the both sides of the recess, and are erected on the front wall, the side wall and the bottom wall, and these front walls are formed. The bearing recess defined by the opposing wall facing the side wall and the bearing recess is disposed, and the shaft on the both sides of the rear half covering the recess in the open / close lid is provided with the shaft fitted in the bearing recess Configurations are known.
In the swing-out cap, the open / close lid is disposed vertically pivotable about the rotation axis of the shaft with respect to the cap body.

Patent No. 5145111 gazette

  However, in the above-described conventional swing-out cap, a finger is inserted into the vertical gap between the rear half of the open / close lid and the bottom wall of the recess and the rear half of the open / close lid is pulled up with respect to the cap body. As a result, the shaft of the open / close lid may be removed from the bearing recess of the cap body, and the open / close lid may be detached from the cap body.

  This invention is made in view of such a situation, The objective is to provide the swing-out cap which can suppress that an opening-closing lid remove | deviates from a cap main body easily.

  In order to solve the above problems, the swing-out cap according to the present invention is mounted on the mouth of a container body in which the contents are accommodated, and is a cap body having a swing-out opening for swinging out the contents. And an open / close lid for opening and closing the outlet, wherein the outlet is formed in the front half of the top wall of the cap body, and a front wall, a bottom wall, and a pair of left and right in the rear A recessed portion which is defined by the side wall portion and opened rearward is formed, and the both ends of the recessed portion are erected on the front wall portion, the side wall portion, and the bottom wall portion. A bearing recess portion defined by the front wall portion and the opposite wall portion facing the side wall portion is disposed, and the opening / closing lid is provided on both side end portions of the rear half portion covering the recess portion; The shaft that fits into the bearing recess The opening / closing lid is a swing-out cap disposed so as to be vertically pivotable about the rotation axis of the shaft with respect to the cap body, and the front wall portion of the cap body, A locking recess that is recessed forward is formed, and a locking protrusion that protrudes downward and has a locked portion disposed in the locking recess is formed in the rear half portion of the open / close lid, The to-be-locked portion may be spaced apart in both forward and upward directions with respect to the rotation axis of the shaft portion.

  According to the present invention, the front wall portion of the cap body is formed with the locking recess recessed toward the front, and the second half portion of the open / close lid protrudes downward and is disposed within the locking recess. Since the locking projection having the locking portion is formed, when the rear half portion of the open / close lid is pulled up, the open / close lid is engaged with the inner surface in the locking recess so that the open / close lid is the cap body It is suppressed that it deviates from. On the other hand, when the rear half portion of the open / close lid is pressed, the engaged portion is separated in both directions forward and upward with respect to the rotation axis of the shaft portion, so the engaged portion is the front wall portion As a result, the cover is separated obliquely upward and rearward, and is separated from the locking recess, so that the open / close lid can be opened smoothly.

Further, a lower projection projecting upward is formed at the rear end of the bottom wall of the recessed portion, and an upper projection projecting downward is formed at the rear end of the rear half of the open / close lid. A protrusion may be formed.
In this case, the gap in the vertical direction between the rear half of the opening / closing lid of the swing cap and the bottom wall of the recessed portion is narrowed, which makes it difficult to insert a finger into the gap. It is possible to make it difficult to pull up the rear half of the open / close lid with respect to the cap body.

  Further, in a longitudinal sectional view along the vertical direction of the swing-out cap, a distance from the rotation axis to an upper end portion of the opening peripheral edge portion of the locking recess in the front wall portion is the opening and closing from the rotation axis It may be longer than the distance between the locking protrusion of the lid and the portion located in the locking recess and farthest from the rotation center.

  In this case, when the open / close lid pivots up and down around the rotation axis of the shaft relative to the cap body, it is ensured that the locking projection is caught on the opening peripheral edge of the locking recess in the front wall Can be prevented.

  ADVANTAGE OF THE INVENTION According to this invention, it can suppress that an opening-closing lid remove | deviates from a cap main body easily.

It is a longitudinal cross-sectional view which shows one Embodiment of the swing-out cap which concerns on this invention. It is a perspective view of the cap main body in the swing-out cap shown in FIG. It is a top view of the cap main body shown in FIG. It is a bottom view of the opening-and-closing lid in the swing cap shown in FIG. It is the elements on larger scale of the D section in FIG. It is the elements on larger scale of the part D in the state which opened the opening-closing lid of the swing cap shown in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The swing-out cap 10 according to the present embodiment is, for example, a cap main body in which a swing-out opening 11 for swinging out contents is formed while being attached to the mouth of a container main body containing powder or granular contents. 12 and an open / close lid 30 for opening and closing the outlet 11.
As shown in FIGS. 1 and 2, the cap main body 12 is formed in a top cylindrical shape, and in the top wall portion 12a, the dispensing opening 11 is formed in the front half portion, and the front wall portion 17 in the rear half portion A recessed portion 15 defined by the bottom wall portion 16 and the left and right side wall portions 18 and opened rearward is formed. In the example shown in the figure, two of the feed openings 11 are formed at intervals in the left-right direction A.

  Hereinafter, along the cap axis O1 passing through the center of the circular shape that the cap body 12 presents in top view and orthogonal to the top wall 12a, the top wall 12a side is the upper side, and the open end side of the peripheral wall 12b is the lower side The direction along the cap axis O1 is called the vertical direction. Further, in a plan view viewed from the up and down direction, a direction orthogonal to the cap axis O1 is referred to as a radial direction.

At the connection portion between the bottom wall portion 16 and the front wall portion 17 in the recessed portion 15, a stepped portion (opposing wall portion) 19 formed in a rectangular parallelepiped shape long in the left-right direction A is provided.
Further, on the bottom wall portion 16 of the recessed portion 15, a pair of auxiliary wall portions (opposing wall portions) 20 extending backward from both ends in the left-right direction A in the rear surface of the step 19 are erected.
And as FIG. 3 shows, the clearance gap is each provided between the both end surfaces 19a and the auxiliary wall part 20 in the left-right direction A of the step part 19, and a pair of side wall parts 18 on either side.

Furthermore, in the front wall portion 17 of the recessed portion 15, the bottom wall portion 16 of the recessed portion 15 is provided at each portion located between the pair of left and right side wall portions 18 and both end surfaces 19 a of the step 19. A front bearing wall 21 extending upward is provided in a protruding manner. A gap is provided between both end surfaces 19 a of the step 19 and the inner end of the front bearing wall 21 in the left-right direction A.
Further, in each of the left and right side wall portions 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 (opposing wall portion) 22 facing the portion 21 in the front-rear direction B is provided in a protruding manner. A clearance is provided between the rear end of the auxiliary wall 20 and the inner end of the rear bearing wall 22 in the left-right direction A.

  From the above, the front bearing wall (front wall) 21, the side wall 18, the rear bearing wall 22, the both end surfaces 19 a of the step 19, and the auxiliary wall 20 define the side walls of the recessed portion 15. The bearing recess 23 is disposed.

  As shown in FIG. 3, in each of the front bearing wall portion 21 and the rear bearing wall portion 22, a vertically curved intermediate portion in the vertical direction in the facing surfaces 21b and 22b facing each other has a concave curve shape along the vertical direction. Recesses 21a and 22a are formed. Further, the opposing surfaces 21b and 22b are inclined such that the size in the front-rear direction B of the two bearing wall portions 21 and 22 gradually decreases inward from the outside in the left-right direction A.

Further, in the bottom wall portion 16 of the recessed portion 15, at a portion located inside the bearing recess 23, a support projection 25 for supporting a shaft portion 31 to be described later of the open / close lid 30 from below is protruded. . The upper surface of the support projection 25 is inclined such that the size in the vertical direction of the support projection 25 gradually decreases inward from the outer side in the left-right direction A.
Further, a gap is provided between the inner end portion of the support protrusion 25 in the left-right direction A and the both end surfaces 19 a of the step portion 19. Furthermore, a gap is provided between the rear end surface of the support projection 25 and the facing surface 22 b of the rear bearing wall 22.

  As shown in FIGS. 1 and 4, the open / close lid 30 has a lid plate 32 formed in a rectangular shape long in the front-rear direction B and a second half of the lid plate 32 that covers the recessed portion 15 of the cap body 12. It has a mounting piece 33 protruding from the lower surface of the part, and a shaft 31 provided at both side ends of the mounting piece 33 and fitted into the bearing recess 23.

In the illustrated example, on the upper surface of the rear half of the lid plate 32, a depressed surface 36 which is recessed downward is formed. Two plug pieces 34 are provided on the lower surface of the front half of the cover plate 32 covering the swing port 11 of the cap body 12 so that these plug pieces 34 can be separately and separately fitted in the swing port 11 It is done.
The mounting piece 33 is provided in the rear half portion of the cover plate 32 at a position located in the middle in the front-rear direction B. Further, the mounting piece 33 is a rectangular plate-like body which is long in the left-right direction A and whose front and back surfaces face the front-rear direction B, and a projecting portion which protrudes backward at both ends in the left-right direction A 33a are formed separately.

  The shaft portion 31 is connected to the lower ends of both end surfaces of the mounting piece 33 in the left-right direction A, and bulges downward from the lower end of the mounting piece 33. The shaft portion 31 is formed in a ring shape, and is disposed so that its rotation axis O2 extends along the left-right direction A. Furthermore, the shaft portion 31 is formed in a C-shape which opens obliquely downward and backward. Further, at lower peripheral end portions positioned on the lower side of both peripheral end portions of the shaft portion 31, axial protrusion portions 31a protruding downward are formed. Furthermore, the outer peripheral surface of the shaft portion 31 is inclined such that the diameter of the shaft portion 31 gradually decreases as it goes from the inside to the outside in the left-right direction A.

  In the above-described configuration, in the opening / closing lid 30, the shaft portion 31 is provided with the recessed 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 from the radial direction outer side thereof. Thus, in a state in which each movement in the vertical direction and the front-rear direction B is restricted, it is rotatably supported in the vertical direction around the rotation axis O2, and is mounted on the cap main body 12. The central portions of the open / close lid 30 and the cap main body 12 in the left-right direction A coincide with each other.

In the present embodiment, as shown in FIGS. 1 and 3, the front wall portion 17 of the cap body 12 is formed with a locking recess 17 a that is recessed forward. In the illustrated example, the locking recess 17 a is formed in the front wall 17 over the entire region in the vertical direction except the upper end portion of the portion positioned above the step 19.
When viewed from the rear, the locking recess 17a is formed in a rectangular shape in which a pair of sides extend in the left-right direction A, and the other pair of sides extend in the up-down direction. The locking recess 17a is formed in the shape of a convex curved surface in which the amount of depression toward the front gradually increases as going from the outside in the vertical direction to the inside.
A plurality of locking recesses 17 a are formed in the front wall portion 17 at intervals in the left-right direction A. In the illustrated example, one locking recess 17 a is disposed at equal intervals from the center portion in the left-right direction A of the front wall portion 17. In addition, the latching recessed part 17a is not restricted to such an aspect, One or more should just be formed.

Further, in the rear half portion of the open / close lid 30, a locking projection 35 is formed which has a locking portion 35a that protrudes downward and is disposed in the locking recess 17a. In the illustrated example, the locking projection 35 is formed on the lower surface of the rear half of the lid plate 32 at a portion located forward of the mounting piece 33 and gradually extends forward as it goes downward. A plurality of locking protrusions 35 are formed on the open / close lid 30 at intervals in the left-right direction A. In the illustrated example, the locking projections 35 are disposed one by one at equal intervals from the central portion of the open / close lid 30 in the left-right direction A. In addition, the latching protrusion 35 is not restricted to such an aspect, What is necessary is just to form one or more.
The locked portion 35a is formed on the front surface of the locking projection 35, and is formed in a curved shape that protrudes forward. The radius of curvature along the vertical direction of the locked portion 35a is smaller than the radius of curvature along the vertical direction of the locking recess 17a. The locked portion 35 a is formed at the lower end portion of the locking projection 35. Further, the engaged portion 35a is separated in both forward and upward directions with respect to the rotation axis O2 of the shaft portion 31.

  At the rear end of the rear half of the open / close lid 30, an upper projection 37 is formed which protrudes downward. The upper projection 37 is located rearward of the pressing surface 36 and extends continuously over the entire circumference of the rear end of the open / close lid 30. Further, as shown in FIG. 5, the outer circumferential surface of the upper protrusion 37 gradually extends forward as it goes downward.

  Further, at the rear end portion of the bottom wall portion 16 of the recessed portion 15, a lower protrusion 16a that protrudes upward is formed. The lower protrusion 16 a extends continuously over the entire circumference of the rear end portion of the bottom wall portion 16. The upper projection 37 is located radially inward of the lower projection 16 a and vertically opposed to the upper surface of the bottom wall 16 of the recess 15.

As shown to FIG. 1 and FIG. 5, in this embodiment, the inner surface of the latching recessed part 17a and the to-be-locked part 35a adjoin. The inner surface of the locking recess 17a may be in contact with the locked portion 35a.
Furthermore, in the present embodiment, as shown in FIG. 5, in the vertical cross-sectional view along the vertical direction of the swing-out cap 10, from the rotation axis O2, the upper end portion of the opening peripheral portion of the locking recess 17a in the front wall portion 17. The distance to 17b is longer than the distance from the rotation axis O2 to the portion 35b of the locking projection 35 of the open / close lid 30 located in the locking recess 17a and farthest from the rotation axis O2. There is. In the illustrated example, the front end portion of the engaged portion 35a is the portion 35b.

Next, the operation of the swing-out cap 10 according to the present embodiment will be described. First, when the pressing surface 36 of the lid plate 32 is pressed, the open / close lid 30 is pivoted so that the front end moves upward and the rear end moves downward about the rotation axis O2 of the shaft 31 Do.
Along with this, the shaft protrusion 31 a is pushed inward in the radial direction of the shaft portion 31 by the upper surface of the support protrusion 25, and the shaft portion 31 is also compressed and deformed radially inward. Thereafter, when the shaft protrusion 31 a reaches a recess (not shown) formed at the front end of the support protrusion 25, the shaft protrusion 31 a enters the recess.

As a result, the above-described pushing of the shaft projection 31a is released, and the shaft 31 is restored and deformed, whereby the cover plate 32 is opened with the swing-out port 11 formed in the front half of the cap body 12 open to the outside. Is held. In this state, the contents can be taken out from the dispenser 11 by swinging the container body forward.
In this state, as shown in FIG. 5, the upper projection 37 formed at the rear end of the lid plate 32 enters into the recess 15 of the cap body 12 and the lower projection 16a of the cap body 12 It is located more radially inward and abuts on the bottom wall 16. At this time, as shown in FIG. 6, the projecting portion 33a formed on the attachment piece 33 of the lid plate 32 is in a state of being close to the auxiliary wall portion 20 erected on the bottom wall portion 16 in the front-rear direction B. ing.

  In addition, since the engaged portion 35a of the locking projection 35 formed on the lid plate 32 is separated in both forward and upward directions with respect to the rotation axis O2 of the shaft portion 31, the lid plate 32 is an axis When the front end moves upward and the rear end moves downward about the rotation axis O2 of the portion 31, the engaged portion 35a moves diagonally upward and backward. , Away from the locking recess 17a.

As described above, according to the swing-out cap 10 according to the present embodiment, when the pressing surface 36 of the rear half of the open / close lid 30 is pressed, the locked portion 35a is separated from the locking recess 17a. The locking projection 35 does not engage with the locking recess 17a, and the opening and closing lid 30 can be opened smoothly.
On the other hand, with the open / close lid 30 closed, a finger is inserted into the vertical gap between the rear half of the open / close lid 30 and the bottom wall 16 of the recess 15. Even when the shaft portion 31 attempts to move upward from the bearing recess 23 when pulling up the cap body 12, the locked portion 35 a contacts the inner surface of the locking recess 17 a and the locking projection 35 Engage with the locking recess 17a. For this reason, the shaft portion 31 is not removed upward from the bearing recess 23 and is held with the open / close lid 30 and the cap main body 12 attached, so that the open / close lid 30 is prevented from easily coming off from the cap main body 12 Can.

Further, the lower projection is formed at the rear end of the bottom wall 16 of the recess 15 and the upper projection is formed at the rear end of the rear half of the open / close lid 30. A gap in the vertical direction between the rear half portion and the bottom wall portion 16 of the recessed portion 15 is narrowed, so that it is difficult to insert a finger into this gap, and the rear half portion of the open / close lid 30 with respect to the cap main body 12 It is difficult to pull it out.
Further, in the vertical sectional view along the vertical direction of the swing-out cap 10, the distance from the rotation axis O2 to the upper end 17b of the opening peripheral edge portion of the locking recess 17a in the front wall 17 is from the rotation axis O2. The opening / closing lid 30 is pivoted relative to the cap main body 12 because it is longer than the distance from the locking protrusion 35 of the opening / closing lid 30 to the portion 35b located in the locking recess 17a and farthest from the rotation center O2. When rotating in the vertical direction around the rotation axis O2 of the portion 31, the locking projection 35 can be reliably prevented from being caught by the opening peripheral edge portion of the locking recess 17a in the front wall portion 17.

  The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

  For example, in the embodiment, the upper projection 37 is formed at the rear end of the open / close lid 30, and the lower projection 16a is formed at the rear end of the bottom wall 16 of the recess 15. However, the present invention is not limited to such an embodiment. By providing any one of the upper protrusion and the lower protrusion, the gap in the vertical direction between the open / close lid and the bottom wall of the recess may be narrowed, or the upper protrusion and The lower projections may not be formed together.

Further, in the above embodiment, the configuration has been described in which two outlet ports 11 are formed in the cap body 12 and two plug pieces 34 are provided in the open / close lid 30, but the present invention is not limited to such an embodiment. The spout and the plug piece may be one by one or three or more.
In addition, it is possible to replace the components in the above-described embodiment with known components as appropriate without departing from the spirit of the present invention, and the above-described modifications may be combined as appropriate.

DESCRIPTION OF SYMBOLS 10 Swing-out cap 11 Swing-out port 12 Cap main body 12a Top wall part 15 Notched part 16 Bottom wall part 16a Lower protrusion 17 Front wall part 17a Locking recessed part 18 Side wall part 19 Step part (opposing wall part)
20 Auxiliary wall (facing wall)
21 Front bearing wall (front wall)
22 Rear bearing wall (facing wall)
Reference Signs List 23 bearing recess 30 opening / closing lid 31 shaft 35 locking projection 35 a locked portion 37 upper projection

Claims (3)

A cap body which is attached to the mouth of the container body in which the contents are accommodated and in which a swing-out port for forming the contents is formed;
An opening / closing lid for opening / closing the feeding opening;
In the top wall portion of the cap body, the swing opening is formed in the front half portion, and the rear half portion is formed by the front wall portion, the bottom wall portion, and a pair of left and right side wall portions Part is formed,
The front wall portion, the side wall portion, and the opposite wall portion which is erected on the bottom wall portion and is opposed to the front wall portion and the side wall portion are provided at both end portions of the recessed portion. The formed bearing recess is arranged,
In the opening and closing lid, the shaft which is inserted into the bearing recess is provided at both ends of the rear half covering the recess, so that the opening and closing lid rotates the shaft relative to the cap body. A swing-out cap that is disposed so as to be vertically rotatable about an axis,
The front wall of the cap body is formed with a locking recess that is recessed forward.
The rear end portion of the open / close lid is formed with a locking projection which protrudes downward and has a locked portion disposed in the locking recess,
The swing-out cap according to claim 1, wherein the locked portion is spaced forward and upward in both directions with respect to the rotation axis of the shaft portion. At the rear end portion of the bottom wall portion of the recessed portion, a lower protrusion protruding upward is formed,
The swing-out cap according to claim 1, wherein an upper protrusion which protrudes downward is formed at a rear end portion of the rear half portion of the open / close lid.   In a vertical cross-sectional view along the vertical direction of the swing cap, the distance from the rotation axis to the upper end of the opening peripheral edge portion of the locking recess in the front wall portion is the distance from the rotation axis to the opening / closing lid 3. The swing-out cap according to claim 1, wherein the locking projection is located in the locking recess and longer than the distance from the rotation axis to the farthest location.

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