JP6292616B2 - Discharge cap - Google Patents

Description

  The present invention relates to a discharge cap, particularly a discharge cap for attaching to a liquid container such as a mouthwash.

  As a discharge cap of this type, a cap main body that protrudes upward from the upper end of the mounting cylindrical portion for mounting to the container neck and neck portion through an inward flange-like wall portion, and the above-mentioned standing cylindrical portion And a head member with a spout attached so that it can be raised and lowered within a certain range, and can be opened and closed by raising and lowering the head member with respect to the cap body in the liquid flow path from the inside of the upright cylinder part to the spout There is known a discharge cap having a stopper mechanism provided in (Patent Document 1).

ACT 7-40484

  In the discharge cap as in Patent Document 1, it is sometimes required to provide a cover member that covers the head member and the cap body. In this case, the operation of removing the cover member, and the head member to the cap body are arranged. When it is necessary to perform the work of lifting and opening the plugs, it is not easy to use.

  The objective of this invention is providing the discharge cap which can perform the operation | work which removes a cover member, and the operation | work which opens a plug by one action.

The first means includes a cap body 2 that protrudes upward from the upright cylindrical portion 12 through an inward flange-like wall portion 8 from the upper end of the mounting cylindrical portion 4 for mounting on the container body neck and neck,
A head member 20 with a discharge port 32 attached to the upright cylinder portion 12 so as to be movable up and down within a certain range;
Comprising
Discharge provided with a plug mechanism P that opens when the head member 20 rises with respect to the cap body 2 and closes when the head member 20 descends in the liquid flow path R extending from the inside of the upright cylindrical portion 12 to the discharge port 32. In the cap,
A top-covered cylindrical cover member 40 having a lower end portion detachably fitted to the outer surface of the mounting cylinder portion 4 is provided, and the cover member 40 is rotated with respect to the mounting cylinder portion 4 to push up the cover member 40. Forming means T;
In addition, the cylindrical connecting projection 46 protruding downward from the top wall portion 42 of the cover member 40 can be separated from the connected portion 36 formed at a proper position of the head member 20 so as to surround the connected portion. Connected to
By rotating and pushing up the cover member 40, the head member 20 is pulled up via the connecting projection 46 and the connected portion 36, and after the plug mechanism P is opened, the connecting projection 46 and the connected portion. 36 is separated.

  In this means, as shown in FIG. 1, the connecting protrusion 46 protruding downward from the top wall portion 42 of the cover member 40 is connected to the connected portion 36 of the head member 20, and the cover member 40 is raised. The head member 20 is also lifted and opened.

The “connection protrusion” may be of a connecting cylinder type that surrounds a part of the head member (see FIG. 1) or the entire head member (see FIG. 8) . The “connected portion” may have any structure as long as it can be connected to the connecting protrusion 46 in a separable manner. “Separably connected” means that the head member 20 is connected to the cap body 2 with a strength that allows the head member 20 to be pulled up, and can be separated after being pulled up to the upper limit position of the head member. The “push-up means” may have any structure as long as it has a function of converting the rotational force to the cover member into the lift force of the cover member.

The second means includes the first means, and opens a through hole 44 as a die-cut hole in the top wall portion 42 of the cover member 40, and the connecting projection 46 from the hole edge of the through hole. And a connecting rib 48 for connecting to the connected portion 36 is attached to the side surface of the connecting protrusion 46 on the through hole side.

  As shown in FIG. 3, this means proposes a bite type configuration in which the top wall of the cover member 40 is drilled and a through hole 44 that is a die-cut hole is opened. In this configuration, the mold part forming the inner surface of the connecting projection 46 can be extracted upward in the drawing, which is advantageous in terms of molding. In other words, if the die-cutting hole is omitted, the mold part that forms the connecting projection will be pulled downward. At this time, it is necessary to overcome the connecting rib and forcibly remove it, increasing the size of the connecting rib. There is a problem that you can not.

The third means includes the second means, and the cover member 40 is provided with a lid portion 54 that closes the through hole 44.

  In this means, it is proposed to provide a lid portion 54 for closing the through hole 44 shown in FIG. The lid portion may be integrated with the cover member as in the illustrated example, but may be provided separately.

The fourth means has the second means or the third means, and the protrusion 34 having the protrusions which are the connected portions 36 provided on the outer peripheral surface is raised from the top surface of the head member 20. The connecting rib 48 of the connecting protrusion 46 can be engaged with the lower side of the protrusion.

  In this means, as shown in FIG. 1, a protrusion which is a connected portion 36 is provided on a protrusion 34 erected from the head member 20. In this means, the shape of the coupled portion 36 can be designed without being influenced by the shape elements of the peripheral surface of the head member 20, and the degree of freedom in design is great. For example, even if the discharge port 32 is provided on the peripheral surface of the head as in the illustrated example, the connected portion 36 can be provided in the entire circumferential direction regardless of the shape of the peripheral surface. It can also be set freely (see FIG. 6).

The fifth means includes the second means or the third means, and a protrusion which is a connected portion 36 is provided on the upper peripheral surface of the head member 20, and the connection is made below the protrusion. The connection rib 48 of the projection 46 is provided so that it can be engaged.

  In this means, as shown in FIG. 8, the protrusion which is the to-be-connected part 36 is provided in the surrounding surface of the head member 20. As shown in FIG. The structure of the head member 20 can be simplified as compared with the case where the protrusions are provided as in the example of FIG.

According to the invention relating to the first means, the cover member 40 is pushed up, the head member 20 is pulled up via the connecting projection 46 and the connected portion 36, and the plug mechanism P is opened. The operation of pushing up the member 40 and the operation of opening the plug mechanism P can be performed in one operation, which is convenient.
According to the invention relating to the second means, the connecting projection 46 is suspended from the hole edge of the through hole 44 which is a die-cut hole, and the side of the connecting projection 46 on the through hole side is connected to the connected portion 36. Since the connecting rib 48 for connecting is attached, the connecting rib 48 can be made larger than when the mold is forcibly removed.
According to the third aspect of the invention, since the cover portion 40 that closes the through hole 44 is provided in the cover member 40, it is possible to prevent dust and the like from adhering to the hole edge of the through hole 44.
According to the fourth aspect of the invention, since the protrusion that is the connected portion 36 is provided on the outer peripheral surface of the protrusion 34 that stands up from the top surface of the head member 20, the dimensions of the connecting rib of the connecting protrusion 46 and Arrangement can be designed freely.
According to the fifth aspect of the invention, since the ridge which is the coupled portion 36 is attached to the upper peripheral surface of the head member 20, it is not necessary to greatly change the form of the head member 20.

It is a longitudinal cross-sectional view of the discharge cap which concerns on 1st Embodiment of this invention. It is a side view which abbreviate | omits a cover member among the discharge caps of FIG. 1, and shows the form of a cap main body and a head member. It is a longitudinal cross-sectional view in the open state of the cover member of the discharge cap of FIG. It is a top view of the cover member of FIG. It is explanatory drawing of the use condition of the discharge cap of FIG. It is a side view of the example of a change which changed the composition of the head member of Drawing 3. It is a longitudinal cross-sectional view of the discharge cap which concerns on 2nd Embodiment of this invention. It is a side view in the state where a cover member was omitted among discharge caps of FIG. It is a top view of the head member of the discharge cap of FIG. It is a longitudinal cross-sectional view in the open state of the cover member of the discharge cap of FIG. It is a top view of the cover member of FIG. It is explanatory drawing of the use condition of the discharge cap of FIG.

  1 to 6 show a discharge cap according to the first embodiment of the present invention. The discharge cap includes a cap body 2, a head member 20, and a cover member 40. Each of these members can be formed of, for example, a synthetic resin. In this specification, for convenience of explanation, the left side of FIG. 1 is referred to as “front” and the right side of FIG.

  From the upper end of the mounting cylinder part 4 for fitting (screwing together in the illustrated example) to the mouth-neck part 102 of the container body 100, the cap body 2 has the standing cylinder part 12 via the inward flange-like wall part 8. It protrudes upward. The illustrated mounting cylinder part 4 has a small diameter cylinder part 4c erected from the upper end of the large diameter cylinder part 4a via an inward flange part 4b, and a thread is provided inside the small diameter cylinder part 4c. Further, as shown in FIG. 2, a plurality of push-up protrusions 6 are formed intermittently in the circumferential direction on the outer surface of the small-diameter cylindrical portion 4c. Each push-up projection 6 has an upward engaging slope as a press surface 6a for pressing down a cover member described later. Although the illustrated push-up projection 6 has two pressing surfaces, the shape thereof can be changed as appropriate. Further, a seal tube portion 10 for sealing the upper part of the inner surface of the mouth / neck portion 102 is suspended from the back surface of the flange-like wall portion 8. Further, in the illustrated example, reinforcing ribs 5 that are connected to the lower surface of the inward flange portion 4b and the inner surface of the large-diameter cylindrical portion 4a are provided.

  A bottomed support cylinder 14 is suspended from the inner end of the flange-shaped wall 8. An appropriate number of fluid passage holes 15 are opened from the cylindrical wall portion 14a of the support cylindrical portion 14 to the outer peripheral portion of the bottom wall portion 14b, and the plug rod 16 is erected from the central portion of the cylindrical wall portion 14a. . The illustrated plug bar 16 stands up to a height similar to that of the upright cylinder portion 12, and a recess for removing the meat is formed at each of the lower end surface and the center portion of the upper end surface of the plug rod 16. However, these shapes can be changed as appropriate.

  The head member 20 hangs the outer peripheral wall portion 24 and the inner peripheral wall portion 28 in a double cylinder shape from the outer peripheral portion of the back surface of the top plate portion 22, and the plug tube portion 30 hangs from the central portion of the rear surface of the top plate portion 22. In addition, a nozzle-shaped discharge port 32 communicating with the inside of the plug cylinder 30 is opened on the upper front side of the outer peripheral wall 24.

  Between the outer peripheral wall portion 24 and the inner peripheral wall portion 28, the above-described upright cylinder portion 12 is slidably fitted. The illustrated outer peripheral wall portion 24 and inner peripheral wall portion 28 are formed to have substantially the same length, and an abutment rib 26 capable of abutting on the upper end surface of the upright cylindrical portion 12 is formed on the inner surface of the outer peripheral wall portion 24. Is attached. The outer peripheral wall portion 24 or the inner peripheral wall portion 28 and the upright tube portion 12 are provided with retaining means (not shown), and the head member 20 is lifted up to the upper limit position shown in FIG. 20 is provided so as not to rise further. The retaining means can be formed, for example, by locking a conventionally known uneven locking portion at the upper limit position.

  Further, the upper end portion of the plug rod 16 is removably fitted into the plug cylinder 30. The plug rod 16 and the plug cylinder portion 30 form a plug mechanism P, and the plug mechanism P forms a liquid flow path R extending from the inside of the upright cylinder portion 12 to the discharge port 32 so as to be closed.

  A protrusion 34 is erected upward from the central portion of the top plate portion 22 of the head member 20. The protrusion 34 has a larger diameter at the upper end than the lower end, and forms a laterally extending protrusion (outer rib) that is a connected portion 36 over the entire circumference of the upper end. In the illustrated example, the lower end of the protrusion 34 is formed in a cross-shaped cross section. However, the present invention is not limited to this structure. For example, the protrusion 34 may have a Y-shaped cross section extending in three directions. Further, the protrusion 34 can be formed in a hollow cylindrical shape.

  The shape of the protrusion 34 can be changed as appropriate. For example, as in the modification shown in FIG. 6, the protrusion 34 can be formed with a large diameter, and the protrusion length of the protrusion that is the connected portion 36 can be increased.

  The cover member 40 includes a top wall portion 42, a cover tube portion 51, and a lid portion 54.

  The top wall portion 42 has a through hole 44 that is a die-cut hole at the center, and a connecting projection 46 that can be connected to the connected portion 36 is suspended from the hole edge of the through hole 44. Yes. The connecting projection 46 is a connecting cylinder portion in which a connecting rib 48 that is a laterally-facing inner rib is formed at the lower part of the inner surface, and the connecting rib 48 is formed to be engageable with the lower surface side of the connected portion 36 of the protrusion 34. can do. In the illustrated example, a plurality of slits 47 are provided vertically in the connecting cylinder portion so that the connecting rib 48 can be expanded and deformed when it passes over the connected portion 36. Further, a concave groove 50 is formed on the top surface of the top wall portion 42 so as to extend from the periphery of the through hole 44 toward a hinge formation location described later.

  The cover cylinder portion 51 is suspended from the outer peripheral portion of the top wall portion 42. On the inner surface of the lower end portion of the cover tube portion 51, a push-up concave portion 52 that can be fitted to the push-up projection 6 described above is provided. Each push-up recess 52 has a downward inclined surface as a pressed surface 52a that engages with the pressing surface 6a. When the cover member 40 is rotated in a state where the container body 100 is gripped by the push-up means T formed by the push-up projection 6 and the push-up recess 52, the push-up recess is formed on the press surface 6a of the push-down projection 6. The pressed surface 52a of 52 rises and the cover member 40 rises so as to rise. In the preferred illustrated example, the push-up projection 6 and the push-up recess 52 are respectively shown in an isosceles triangle so that the cover member 40 can be pushed up regardless of which direction the cover member 40 is rotated. Although it is formed in a shape, the structure can be changed as appropriate. For example, on the upper surface (pressing surface) of the convex portion protruding outward from the outer surface of the mounting cylinder portion 4, the lower surface (pressed surface) of the convex portion protruding inward from the inner surface of the cover member 40 rides and pushes up the cover member. You may form as follows.

  In the preferred illustrated example, the plug mechanism P rotates while the pressed surface 52a rides on the pressed surface 6a and the cover member 40 rotates, and then the connecting projection 46 and the connected portion 36 are separated. It is configured to do. However, after the pressed surface 52a is separated from the pressed surface 6a, the connecting protrusion 46 and the connected portion 36 may be separated by pulling up the cover member 40 with a finger.

  The lid portion 54 is connected to a peripheral end portion of the top wall portion 42 via a hinge portion 53, and is attached to the tip of the connection band portion 54 a so as to be fitted in the through hole 44. It consists of part 54b. The shape of the lid part 54 can be changed as appropriate. For example, the connecting band part may be omitted and formed separately from the cover member.

  According to the above configuration, the container body 100 is gripped from the state in which the discharge cap is attached to the mouth and neck portion 102 of the container body 100 shown by the imaginary line in FIG. When pushed up, the head member 20 is pulled up with respect to the cap body 2 via the connecting projection 46 and the connected portion 36, and the plug mechanism P is opened. After the head member 20 reaches the upper limit position indicated by the solid line in FIG. 6, the connecting projection 46 and the connected part 36 are separated, and only the cover member 40 can be removed as indicated by the imaginary line in FIG. What is necessary is just to take out the content from the discharge outlet 32 in this state. When the lower end portion of the cover member 40 is re-fitted to the cap main body 2 after use, the connecting rib 48 of the connecting projection 46 gets over the connected portion 36 and is connected, and the state shown in FIG.

  Hereinafter, other embodiments of the present invention will be described. In these descriptions, the description of the same structure as that of the first embodiment is omitted.

  7 to 12 show a discharge cap according to the second embodiment of the present invention. In the present embodiment, the protrusion of the first embodiment is omitted, and a protrusion that is the connected portion 36 is formed on the upper portion of the outer peripheral wall portion 24 of the head member 20. When the discharge port 32 is formed on the upper front side of the outer peripheral wall portion 24 as in the illustrated example, as shown in FIGS. 8 and 9, the connected portion is connected to the upper portion of the outer peripheral wall excluding the discharge port forming portion. 36 may be formed.

  Further, the connecting protrusion 46 of the cover member 40 is a connecting cylinder portion having a plurality of slits 47 as in the first embodiment, but is formed to have a large diameter corresponding to the connected portion 36. Further, the cut 47A located on the front side of the cuts is provided in a size that allows the nozzle-shaped discharge port 32 to be inserted (see FIGS. 10 and 11). When using the cap of the present embodiment, as in the first embodiment, the cover member 40 is pulled up from the state of attachment to the container body mouth and neck shown by the imaginary line in FIG. The cap member P may be opened by raising the head member 20 with respect to the cap body 2 via 36.

DESCRIPTION OF SYMBOLS 2 ... Cap main body 4 ... Installation cylinder part 4a ... Large diameter cylinder part 4b ... Inward flange part 4c ... Small diameter cylinder part 6 ... Push-up protrusion 6a ... Pressing surface (upward engagement slope)
DESCRIPTION OF SYMBOLS 8 ... Flange-shaped wall part 10 ... Sealing cylinder part 12 ... Standing cylinder part 14 ... Supporting cylinder part 14a ... Tube wall part 14b ... Bottom wall part 15 ... Liquid passage hole 16 ... Plug rod 20 ... Head member 22 ... Top plate part 24 ... outer peripheral wall 26 ... contact rib
28 ... Inner peripheral wall part 30 ... Plug tube part 32 ... Spout 34 ... Projection 36 ... Connected part 40 ... Cover member 42 ... Top wall part 44 ... Through hole 46 ... Protrusion part 47 ... Cutting 48 ... Connection rib 50 ... concave groove
51: Cover cylinder 52: Push-up recess 52a: Pressed surface (downward-facing slope)
53 ... Hinge part 54 ... Lid part 54a ... Connection band part 54b ... Closure part 100 ... Container body 102 ... Mouth and neck part
T: Push-up means P ... Plug mechanism R ... Liquid flow path

Claims (5)

A cap main body (2) protruding upward from the upright cylindrical portion (12) through an inward flange-like wall portion (8) from the upper end of the mounting cylindrical portion (4) for mounting on the container body neck and neck;
A head member (20) having a discharge port (32) attached to the upright tube portion (12) so as to be movable up and down within a certain range;
Comprising
The head member (20) is opened by the rise of the head member (20) with respect to the cap body (2) in the liquid flow path (R) extending from the inside of the upright cylinder portion (12) to the discharge port (32). In a discharge cap provided with a stopper mechanism (P) that closes when the valve descends,
A top-covered cylindrical cover member (40) having a lower end detachably fitted to the outer surface of the mounting cylinder (4) is provided, and the cover member (40) is rotated with respect to the mounting cylinder (4). To form a push-up means (T) for pushing up the cover member (40),
And the top wall portion of the cover member (40) and (42) a cylindrical connecting protrusion protruding downward from the (46), with respect to the coupled portion formed in place of the head member (20) (36) Connect so as to surround the connected parts and be separable,
By rotating and pushing up the cover member (40), the head member (20) is pulled up via the connecting protrusion (46) and the connected portion (36), and the plug mechanism (P) is opened. A discharge cap characterized in that the connecting protrusion (46) and the connected portion (36) are separated from each other.   A through hole (44), which is a die-cut hole, is opened in the top wall portion (42) of the cover member (40), and a connecting projection (46) is suspended from the hole edge of the through hole. The discharge cap according to claim 1, wherein a connecting rib (48) for connecting to the connected portion (36) is attached to a side surface of the protruding portion (46) on the through hole side.   The discharge cap according to claim 2, wherein a cover (54) for closing the through hole (44) is provided in the cover member (40).   From the top surface of the head member (20), a protrusion (34) having a protrusion which is the connected portion (36) is provided on the outer peripheral surface, and a connecting protrusion ( The discharge cap according to claim 2 or 3, wherein the connecting rib (48) of 46) can be engaged.   A protrusion which is a connected portion (36) is attached to the upper part of the peripheral surface of the head member (20), and a connecting rib (48) of the connecting protrusion (46) is engaged below the protrusion. The discharge cap according to claim 2 or 3, wherein the discharge cap is provided.