JP2023075851A - Switching adapter for pump container - Google Patents

Abstract

To provide a switching adapter for a pump container capable of easily adjusting a discharge amount of a content liquid by making it possible to more easily switch a stroke length when a pump head is pressed.SOLUTION: A switching adapter for a pump container includes a standing plate portion 11 having a nozzle contact portion 14a that regulates a stroke of a pump head 16a. The nozzle contact portion 14a is arranged on a portion of an axial pipe 16c in a circumferential direction. A position of a nozzle portion 16b is changed to switch a stroke length between a position where the nozzle portion 16b does not interfere with the nozzle contact portion 14a and a position where the nozzle portion 16b can contact the nozzle contact portion 14a, thereby adjusting a discharge amount.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present invention relates to a pump container switching adapter, a pump dispenser, and a pump container that are attached to a pump container having a pump dispenser.

Conventionally, as shown in FIGS. 13(a) and 13(b), liquid agents such as detergents, shampoo liquids, rinse liquids, cosmetic liquids, etc. are sucked up and discharged into a container body 55 containing liquid agents as content liquid. Various pump containers 50 are known for use with attached pump dispensers 51 . In these pump containers, a predetermined amount of content liquid is pumped by pressing a vertically movable pump head 53 attached to the tip of an axial pipe 52 that communicates with a stem that constitutes a pump mechanism of a pump dispenser 51. The ink is ejected from the nozzle portion 54 of the head 53 .

In addition, in the pump container 50 as described above, in general, when the pump head 53 is pushed from a resting state until the pump head 53 cannot be pushed down any more, the downward movement amount can be pushed by a single pushing operation. The pump head 53 attached to the distal end of the axial pipe 52 is pushed downward to supply a desired amount of liquid content corresponding to the full stroke length to the pump head 53. is discharged from the nozzle portion 54.

JP 2009-298422 A

On the other hand, in the conventional pump container, especially for business use with a large internal capacity, the stroke when pressing the pump head is switched to different stroke lengths, such as 25 mL, 10 mL, and 5 mL. In some cases, it may be necessary to eject the content liquid at different ejection amounts according to the stroke length of the nozzle. Such switching of the stroke length has often been performed by appropriately stopping the pressing operation at a desired position in the middle of the stroke without performing the pressing operation of the pump head for the full stroke length.

On the other hand, without stopping the pressing operation of the pump head in the middle of the stroke, by making it possible to adjust the stroke length until it can no longer be pushed down, so that the stroke length can be switched as appropriate. A discharge container (pump container) capable of stably discharging a content liquid at a predetermined discharge amount according to the stroke length of the pump has been developed (see, for example, Patent Document 1).

According to the pump container of Patent Literature 1, one or a plurality of discharges are supplied to an axial pipe, which communicates with the stem of the pump mechanism and has a pump head attached to the distal end portion, which extends slidably upward from the cap portion. By detachably stacking the amount adjusting tool as a stopper member and attaching the bottom end of the pump head to the upper end of the stacked stopper member, the pressing stroke length can be set and the discharge amount can be adjusted. However, since the number of parts due to the discharge amount adjusting tool increases, the stroke length when pressing the pump head can be switched more easily, so that the discharge amount of the content liquid can be easily adjusted. Technology development is desired.

TECHNICAL FIELD The present invention relates to a pump container switching adapter, a pump dispenser, and a pump container that can more easily switch the stroke length when the pump head is pressed, and easily adjust the discharge amount of the content liquid.

The present invention is a pump container switching adapter that is attached to a pump container having a pump dispenser that discharges a content liquid by pressing a pump head that can move up and down, and that is capable of adjusting the discharge amount. It has an upright plate portion that can be attached to the mouth and neck portion and has a nozzle abutment portion that regulates the stroke length of the pump head by abutting the nozzle portion of the pump head. The nozzle abutting portion is spaced apart from the axial pipe at a portion in the circumferential direction of the outer peripheral region of the axial pipe to which the pump head is attached, and the tip of the nozzle portion laterally protrudes from the pump head. It is arranged inside the locus in the circumferential direction of the part. The discharge amount can be adjusted by changing the position of the nozzle portion in the circumferential direction about the axial pipe by, for example, rotating the head to change the stroke length of the pump head. The position of the nozzle portion may be changed between a position where the nozzle portion does not interfere with the nozzle contact portion and a position where the nozzle portion can contact the head contact portion. It can be performed between a plurality of different positions that can contact the head contact portion. Further, the position of the nozzle portion can be changed between a position that does not interfere with the head contact portion and two or more positions that can contact the head contact portion and have different stroke lengths.

Further, according to the present invention, a standing plate portion having a nozzle abutment portion is fixed to the mounting cap portion to regulate the stroke length of the pump head by abutting the nozzle portion of the pump head. The contact portion is a circle of the tip portion of the nozzle portion laterally protruding from the pump head, spaced apart from the axial pipe, on a part of the circumferential direction of the outer peripheral region of the axial pipe to which the pump head is attached. a position in which the nozzle portion does not interfere with the nozzle contact portion by changing the position of the nozzle portion in the circumferential direction around the axial pipe; and/or between a plurality of different positions at which the nozzle portion can abut against the head abutment portion, the stroke length of the pump head It is a pump dispenser that can adjust the discharge amount by switching.

Furthermore, the present invention is a pump container that is capable of adjusting the discharge amount by including the above-described pump dispenser.

According to the pump container switching adapter, the pump dispenser, or the pump container of the present invention, it is possible to more easily adjust the discharge amount of the content liquid by making it possible to switch the stroke length when the pump head is pressed. can.

FIG. 1 is a perspective view illustrating a pump container switching adapter according to a preferred first embodiment of the present invention. FIGS. 2(a) and 2(b) are perspective views illustrating how the pump container switching adapter is attached to a pump container having a pump dispenser. FIGS. 3(a) and 3(b) are perspective views illustrating a state in which the pump head is used by being pressed with a full stroke length in the first embodiment. FIGS. 4A and 4B are perspective views illustrating a state in which the stroke length for pressing the pump head is switched and used in the first embodiment. FIGS. 5(a) and 5(b) are perspective views illustrating a state in which the stroke length for pressing the pump head is switched and used in the first embodiment. FIGS. 6(a) to 6(f) are perspective views illustrating other forms of the pump container switching adapter. FIG. 7 is a perspective view illustrating a pump container switching adapter according to a second preferred embodiment of the present invention. FIGS. 8(a) and 8(b) are perspective views illustrating a state in which the pump head is used by being pressed with a full stroke length in the second embodiment. FIGS. 9A and 9B are perspective views illustrating a state in which the stroke length for pressing the pump head is switched and used in the second embodiment. FIGS. 10(a) and 10(b) are perspective views illustrating a state in which the stroke length for pressing the pump head is switched and used in the second embodiment. FIGS. 11(a) and 11(b) are perspective views illustrating other forms of the pump container switching adapter. FIGS. 12(a) to 12(d) are explanatory diagrams of a state in which the pump container switching adapter is attached using the integrated cover. FIGS. 13(a) and 13(b) are perspective views illustrating states before and after pressing the pump head of a conventional pump container having a pump dispenser.

The pump container switching adapter 10 according to the first preferred embodiment of the present invention shown in FIG. 17b, preferably detachably attached. The commercial cleaning agent is preferably undiluted or diluted with water and used at a predetermined concentration (for example, undiluted solution to 200-fold dilution). When the pump head 16a of the pump dispenser 16 is pressed more easily by attaching the pump container switching adapter 10 to the neck portion 17b of the container body 17a so that the diluent can be stably obtained with high accuracy. The stroke length of the nozzle can be switched, and the content liquid can be easily discharged in a stable state at a predetermined discharge amount that has been set and adjusted.

As shown in FIGS. 1 and 2(a) and 2(b), the pump container switching adapter 10 of the first embodiment is a pump dispenser that discharges the content liquid by pressing the vertically movable pump head 16a. 16, and is used to adjust the discharge amount, and is attachable to the mouth and neck portion 17b of the pump container 17, preferably above the nozzle portion 16b of the pump head 16a. (see FIGS. 4(a) and 5(a)). It has a part 11 . The upper nozzle contact portion 14a provided on the standing plate portion 11 is formed in a part of the circumferential direction in the outer peripheral region of the axial pipe 16c (see FIG. 2(b)) to which the pump head 16a is attached at the tip. It is spaced apart from the axial pipe 16c and arranged inside the circumferential locus of the tip portion of the nozzle portion 16b projecting laterally from the pump head 16a (FIGS. 4A and 5A). reference). The position of the nozzle portion 16b of the pump head 16a in the circumferential direction about the axial pipe 16c, that is, the orientation of the nozzle portion 16b is changed to a position where the nozzle portion 16b does not interfere with the nozzle contact portion 14a (Fig. 3(a)). ), (b)) and the position where the nozzle portion 16b can contact the nozzle contact portion 14a (see FIGS. 4A, 4B, 5A, and 5B). and/or between a plurality of different positions (see FIGS. 4A, 4B, 5A, and 5B) where the nozzle portion 16b can contact the upper nozzle contact portion 14a. , the discharge amount can be adjusted by switching the stroke length of the pump head 16a.

Here, in this specification, the nozzle or the nozzle portion 16b protrudes from the pump head 16a laterally with respect to the direction in which the pump head 16a is operated for the discharge operation, and is integrated with the pump head 16a. A portion through which the liquid passes when the liquid is discharged. Preferably, a discharge port through which the passed liquid is discharged is provided at the end opposite to the pump head 16a. It includes not only the flow path through which the liquid passes when the liquid is discharged, but also the portion that covers the periphery thereof. The pump head 16a and the nozzle portion 16b may preferably be integrally molded.

In addition, in the pump container switching adapter 10 of the first embodiment, the upright plate portion 11 preferably has a shape curved in an arc along the circumferential direction around the axial pipe 16c when viewed from above. I have.

Further, in the pump container switching adapter 10 of the first embodiment, preferably, the base end portion of the standing plate portion 11 projects so as to be bent so as to attach the pump container switching adapter 10 to the pump container 17 . A protruding proximal end plate portion 13 is provided, and this protruding proximal end plate portion 13 has a mounting opening 13a having an inner diameter one size larger than the outer diameter of the mouth and neck portion 17b of the container body 17a of the pump container 17. ing. By sandwiching the opening edge portion of the mounting opening 13a between the base end portion outer peripheral portion of the mouth neck portion 17b of the container body 17a and the mounting cap portion 16d of the pump dispenser 16, the standing plate portion 11 is attached to the axial direction pipe 16c. The pump container switching adapter 10 is attached and fixed to the pump container 17 in a state of standing up along the .

Furthermore, in the pump container switching adapter 10 of the first embodiment, the locking notch portion 12 provided with the nozzle contact portion 14a for contacting the upper side of the nozzle portion 16b of the pump head 16a is It consists of a U-shaped cut portion 14 formed by cutting a side portion of the plate portion 11 in a U-shape. The upper side of the portion 16b is brought into contact. The U-shaped notches 14 are preferably formed on both sides of the standing plate portion 11 in such a manner that the height positions of the upper nozzle contact portions 14a, which are the upper sides, are different from each other. there is

In the first embodiment, the container body 17a of the pump container 17 to which the pump container switching adapter 10 is attached is a blow-molded product made of synthetic resin such as high-density polyethylene, low-density polyethylene, or polypropylene. A cleaning agent for business use is contained as a liquid agent in the inside, and a cylindrical mouth-and-neck portion 17b for taking out the contained liquid agent is provided at the upper end portion in the state of being placed on the placing surface. A male screw ridge is formed on the outer peripheral surface of the neck portion 17b, and by screwing the mounting cap portion 16d onto the neck portion 17b, the pump dispenser 16 is integrally attached to the container body 17a. It's becoming In addition, as described above, the pump container switching adapter 10 preferably has the overhanging proximal end plate portion 13 sandwiched between the proximal end portion outer peripheral portion of the mouth and neck portion 17b and the mounting cap portion 16d of the pump dispenser 16, It will be attached to the pump container 17 .

The pump dispenser 16 is integrally attached to a pump housing 16e (see FIG. 2(a)) in which a pump mechanism is provided, an axial pipe 16c communicating with the stem of the pump mechanism, and a distal end portion of the axial pipe 16c. , a pump head 16a having a laterally protruding nozzle portion 16b, a mounting cap portion 16d, a suction pipe 16f, and the like. By sliding the piston of the pump mechanism, the liquid agent taken in can be delivered to the axial pipe 16c through the stem. The delivered liquid agent is discharged from a nozzle portion 16b of the pump head 16a communicating with the axial pipe 16c at a predetermined discharge amount according to the stroke length.

In addition, in the first embodiment, the pump dispenser 16 preferably does not have a spring or other biasing means for biasing the piston upward in the pump mechanism inside the pump housing 16e, and the axial pipe 16c and After manually pulling up the pump head 16a at the tip of the pump, the pump head 16a is pushed downward to discharge the liquid agent. As a result, when the pump container 17 that does not need to be discharged is not in use, the pump head 16a can be kept pushed downward so that the pump container 17 does not become bulky when not in use. It becomes possible to In the first embodiment, the pump mechanism of the pump dispenser 16 may be of a so-called pump return spring type, which includes biasing means such as a spring that biases the piston upward.

The pump container switching adapter 10 of the first embodiment is an injection molded product made of a synthetic resin such as ABS resin, polyacetal resin, polypropylene, etc. As described above, the standing plate portion 11, Preferably, it is formed including an overhanging proximal end plate portion 13 which is provided so as to overhang from the proximal end portion of the standing plate portion 11 so as to be bent. In the first embodiment, the projecting proximal end plate portion 13 is an annular plate portion having an inner diameter that is one size larger than the outer diameter of the mouth and neck portion 17b of the container body 17a and having a circular mounting opening 13a. there is The upright plate portion 11 is provided upright from a partial area of, for example, approximately 120° in the circumferential direction on the outer peripheral edge of the annular projecting base end plate portion 13 . A reinforcing edging rib wall 13b is continuously erected in a portion other than the region where the erecting plate portion 11 is erected.

As described above, the pump container switching adapter 10 preferably includes the opening edge of the mounting opening 13a of the projecting proximal end plate portion 13, the proximal end peripheral portion of the mouth neck portion 17b of the container main body 17a, and the pump dispenser 16. By sandwiching it with the mounting cap portion 16d, it is mounted and fixed to the pump container 17, and the standing plate portion 11 is spaced apart from the axial pipe 16c and arranged vertically along the axial pipe 16c. It has become.

In the first embodiment, the upright plate portion 11 of the pump container switching adapter 10 is upright from the outer peripheral edge portion of the annular projecting base end plate portion 13, and is preferably viewed from above. , and arcuately curved along the circumferential direction around the axial pipe 16c. The upright plate portion 11 is preferably formed to have a rectangular front shape, and is formed to have a height h (see FIG. 1) of, for example, about 70 to 160 mm from the overhanging base end plate portion 13. It is Also, on preferably both sides of the upright plate portion 11, a U-shaped notch portion 14 formed by cutting in a U-shape is provided as a locking notch portion 12. As shown in FIG. These U-shaped notches 14 on both sides are formed in a state in which the height positions of the upper side portions 14a, which are the contact portions on the upper side, are different from each other.

That is, the pair of U-shaped notches 14 formed on both sides of the standing plate portion 11 are in a state in which the height positions of the upper sides 14a, which are the upper nozzle contact portions, are different. , the pump head 16a is pressed from the state in which the upper side of the nozzle portion 16b is in contact with the inner side of each nozzle contact portion 14a (see FIGS. 4A and 5A). By operating (see FIGS. 4(b) and 5(b)), the stroke length of the pump head 16a can be easily regulated and adjusted so as to have different predetermined lengths.

In the pump container 17 including the pump container switching adapter 10 of the first embodiment having the above-described configuration and the pump dispenser 16 to which the pump container switching adapter 10 is attached, the pump container 17 rotates with respect to the mouth and neck portion 17b of the container main body 17a. The position of the pump head 16a of the pump dispenser 16 is adjusted by rotating the pump head 16a of the pump dispenser 16, and as shown in FIGS. By performing a pressing operation without interfering with the pump head 16a, it is possible to press the pump head 16a with a full stroke length and eject a predetermined amount of liquid medicine, for example, 25 mL. Further, by adjusting the position of the pump head 16a, as shown in FIGS. 4(a) and 4(b) and FIGS. From the state in which the upper surface, which is the upper side, of the portion 16b is brought into contact with the inside of the upper nozzle contact portion 14a, which is the upper side portion of each of the U-shaped cut portions 14 on both sides, which is the locking notch portion 12. By pressing, it is possible to press the pump head 16a with a regulated predetermined stroke length, thereby discharging a predetermined amount of the liquid agent, such as 10 mL or 5 mL.

Thus, in the present embodiment, the full stroke is 25 mL at the position where the nozzle portion 16b does not interfere with the nozzle contact portion 14a, and 10 mL or 5 mL at the position where the nozzle portion 16b can contact the nozzle contact portion 14a. You can switch between Of these three different discharge amounts, it is possible not to use a position that does not interfere with the nozzle contact portion 14a. may be adjusted by switching between 10 mL and 5 mL.
The upper side portion 14a of the U-shaped cut portion 14 preferably has the same length because the upper side of the nozzle portion 16b needs to abut when the position in the rotation direction of the pump head 16a is the same.

Therefore, according to the pump container switching adapter 10 and the pump container 17 of the first embodiment, the position of the pump head 16a in the circumferential direction around the axial direction pipe 16c is adjusted so that the nozzle portion 16b can be positioned on the standing plate. The stroke of the pump head 16a due to being pressed without interfering with the portion 11, and the pump head 16a being pressed with the upper side of the nozzle portion 16b in contact with the upper side portion 14a of the locking notch portion 12. Since the stroke length can be switched between different strokes, it is possible to more easily switch the stroke length when pressing the pump head 16a, and to easily adjust the discharge amount of the content liquid. become.

In this embodiment, the nozzle portion 16b contacts the nozzle contact portion 14a, which is the upper side portion of the U-shaped cut portion 14, and does not contact the lower side portion 14b. By increasing the height, the stroke length can be adjusted by making the nozzle portion 16b contact not only the upper side portion but also the lower side portion.

FIGS. 6A to 6F illustrate other forms of the pump container switching adapter 10 of the first embodiment. In the pump container switching adapter 10 shown in FIGS. 6(a) to 6(d), the U-shaped notch portion 14' as the locking notch portion 12 is provided only on one side portion of the standing plate portion 11. , is formed by cutting into a U-shape.

In addition, in the pump container switching adapter 10 shown in FIG. 6(a), inside the upper nozzle contact portion 14a' which is the upper side portion of the U-shaped cut portion 14', an open side of the U-shaped A sloped portion 14c' is provided that slopes downward from the rear side. In the pump container switching adapter 10 shown in FIG. 6(b), inside the upper nozzle abutting portion 14a' which is the upper side of the U-shaped notch 14', a One or more steps 14d' are provided that progressively narrow the opening width toward the sides.

Also with the pump container switching adapter 10 shown in FIGS. 6(a) and 6(b), the position of the pump head 16a in the circumferential direction around the axial pipe 16c is adjusted so that each upper side portion 14a' From a state in which the upper side of the nozzle portion 16b is brought into contact with a predetermined position inside the inclined portion 14c' and the stepped portion 14d' provided as the upper nozzle contact portion 14a', the pump head 16a is pressed. , the stroke length of the pump head 16a to the lower end of the pump can be easily regulated and set to different predetermined lengths. The same effects as those of the switching adapter 10 are obtained.

Further, in the pump container switching adapter 10 shown in FIG. 6(c), the upper portion of the U-shaped cut portion 14' in the standing plate portion 11 has a corresponding outer peripheral surface opposite to the axial pipe 16f. A reference display 14f' is provided as a reference for the discharge amount of the liquid agent depending on the stroke length when the nozzle portion 16b is pressed from the state where the upper side of the nozzle portion 16b of the pump head 16a is contacted and locked at the position where the nozzle portion 16b is pressed. . In the pump container switching adapter 10 shown in FIG. 6(d), the display rib 14g protrudes from the upper side portion above the U-shaped cut portion 14' of the standing plate portion 11 to the side opposite to the axial pipe 16f. ' is provided on the display rib 14g', and the liquid material is measured by the stroke length when the nozzle portion 16b is pressed from the state where the upper side of the nozzle portion 16b of the pump head 16a is abutted and locked at the corresponding position. A guideline display 14f' is provided to serve as a guideline for the discharge amount.

Here, as the standard display 14f′, the amount of liquid agent discharged when the pump head 16a is pressed at the corresponding position, or the dilution ratio for diluting the discharged predetermined amount of liquid agent may be used. . The standard display may include scales, characters, symbols, etc., in addition to numbers and units.

The pump container switching adapter 10 shown in FIGS. 6(c) and 6(d) has the same effect as the above-described pump container switching adapter 10 shown in FIGS. A reference display 14f', which serves as a reference for the discharge amount of the liquid agent for internal use, is provided on the outer peripheral surface of the upper portion of the installation plate portion 11 and on the display rib 14g'. It becomes possible to select the required discharge amount.

Furthermore, in the pump container switching adapter 10 shown in FIG. The inner side parts 14i ″ on both sides of the belt-shaped cut part 14 h ″ formed by cutting downward from the central part in the circumferential direction of the belt are further cut into a U-shape with the height position of the upper side different. formed by a pair of inner U-shaped cut portions 14 ″, and inside the upper nozzle contact portion 14 a ″ that is the upper side of each inner U-shaped cut portion 14 ″, the nozzle portion 16 b In addition, the upper side of the upper nozzle contact portion 14a'', which is the upper side of the inner U-shaped cut portion 14'', is attached to the open end of the upper nozzle contact portion 14a''. A projection piece 14j'' for preventing the nozzle portion 16b from coming off is provided so as to project downward.

Also with the pump container switching adapter 10 shown in FIG. The pump head 16a can be pressed to the lower end of the pump from the state in which the nozzle portion 16b is abutted and locked inside the upper nozzle abutting portion 14a'', as shown in FIGS. 1 to 5. The same function and effect as those of the pump container switching adapter 10 shown above can be obtained. Since the protrusion 14j'' for preventing detachment is protruding downward, in the pump container 17 provided with the pump dispenser 16 with a so-called pump return spring, the nozzle part 16b may be displaced laterally due to an impact or the like to the upper end. It is possible to effectively prevent the jumping of the The detachment-preventing convex pieces 14j and 14j' are formed on the open side of the upper nozzle contact portion 14a, which is the upper side portion of the U-shaped cut portion 14 in the above-described pump container switching adapter 10 shown in FIGS. 6(a) to 6(d). (See FIG. 6(f)).

FIG. 7 illustrates a pump container changeover adapter 20 according to a second preferred embodiment of the present invention. The pump container switching adapter 20 of the second embodiment is configured such that the pump container switching adapter 10 of the first embodiment abuts and locks the upper surface of the nozzle portion 16b of the pump head 16a. The stroke of the pump head 16a is controlled by contacting and locking the lower surface of the nozzle portion 16b of the pump head 16a, while the notch 12 for locking is provided for restricting the stroke of the head 16a. It has a locking notch 22 for regulation. With regard to the pump container switching adapter 20 of the second embodiment, description will be made mainly on the constituent parts different from those of the pump container switching adapter 10 of the first embodiment, and the same constituent parts will be denoted by the same reference numerals. omitted. The description of the pump-container switching adapter 10 of the first embodiment is appropriately applied to components that are not particularly mentioned.

As shown in FIGS. 7 and 8(a) and (b), the pump container switching adapter 20 of the second embodiment is a pump dispenser that discharges the content liquid by pressing the vertically movable pump head 16a. 16 and is used to adjust the discharge amount, and is attachable to the mouth and neck portion 17b of the pump container 17, preferably below the nozzle portion 16b of the pump head 16a. An upright plate portion 21 having a locking notch portion 22 that is a nozzle contact portion, which restricts the stroke of the pump head 16a by contacting the side surface (see FIGS. 9B and 10B). have. The locking notch 22, which is a nozzle contacting portion provided in the standing plate portion 21, is formed in a part of the circumferential direction of the outer peripheral region of the axial pipe 16c to which the pump head 16a is attached to the tip. It is spaced apart from the directional pipe 16c and arranged inside the circumferential locus of the tip of the nozzle portion 16b projecting laterally from the pump head 16a. By changing the position of the nozzle portion 16b of the pump head 16a in the circumferential direction about the axial pipe 16c, that is, the orientation of the nozzle portion 16b, the nozzle portion 16b is configured to be a locking notch portion 22 that is a nozzle contact portion. There is no interference (see FIGS. 8A and 8B), and there is a position where the nozzle portion 16b can contact the locking notch portion 22, which is the nozzle contact portion (FIGS. 9A and 9B). , FIGS. 10A and 10B), and/or between a plurality of different positions where the nozzle portion 16b can abut against the locking notch portion 22, which is the head abutting portion. , the discharge amount can be adjusted by switching the stroke length of the pump head 16a.

Further, in the pump container switching adapter 20 of the second embodiment, the standing plate portion 21 preferably has a shape curved in an arc along the circumferential direction around the axial pipe 16c when viewed from above. I have.

Further, in the pump container switching adapter 20 of the second embodiment, preferably, the base end portion of the standing plate portion 21 projects so as to be bent so as to attach the pump container switching adapter 20 to the pump container 17 . A protruding proximal end plate portion 23 is provided, and this protruding proximal end plate portion 23 has a mounting opening 23a having an inner diameter one size larger than the outer diameter of the mouth and neck portion 17b of the container main body 17a of the pump container 17. ing. By sandwiching the opening edge of the mounting opening 23a between the outer peripheral portion of the base end portion of the mouth neck portion 17b of the container body 17a and the mounting cap portion 16d of the pump dispenser 16, the standing plate portion 21 can be attached to the axial pipe 16c. The pump container switching adapter 20 is attached and fixed to the pump container 17 in a state of standing up along the .

Furthermore, in the pump container switching adapter 20 of the second embodiment, the engagement notch 22, which is a nozzle abutting portion that preferably abuts and engages the lower side of the nozzle portion 16b of the pump head 16a, It is composed of an inclined cut portion 24 formed by obliquely cutting the upper side portion of the standing plate portion, and the lower surface of the nozzle portion 16b is brought into contact with a predetermined position in the inclined cut portion 24 so as to be locked. It's becoming In the second embodiment, the inclined cut portion 24 preferably has one or a plurality of steps whose height gradually decreases from one side portion of the upper side portion of the standing plate portion 21 toward the other side portion. A portion 24b is provided.

In addition, in the second embodiment, the pump dispenser 16 preferably has a so-called pump return spring type, in which the pump mechanism inside the pump housing 16e is preferably provided with biasing means such as a spring that biases the piston upward. It belongs to In the second embodiment, the pump dispenser 16 does not have a spring or other biasing means for biasing the piston upward, and the axial pipe 16c and the pump head 16a at the tip of the axial pipe 16c are manually pulled upward. After that, the pump head 16a may be pushed downward to discharge the liquid agent, which is a type without a pump return spring.

Like the pump container switching adapter 10 of the first embodiment, the pump container switching adapter 20 of the second embodiment is an injection-molded product made of a synthetic resin such as ABS resin, polyacetal resin, or polypropylene. As described above, it is formed including the standing plate portion 21 and preferably the protruding proximal end plate portion 23 that protrudes from the proximal end portion of the standing plate portion 21 so as to be bent. In the second embodiment, the projecting proximal end plate portion 23 is an annular plate portion having an inner diameter that is one size larger than the outer diameter of the mouth and neck portion 17b of the container body 17a and having a circular mounting opening 23a. there is The upright plate portion 21 is provided upright from a partial area of, for example, approximately 120° in the circumferential direction on the outer peripheral edge of the annular projecting base end plate portion 23 . A reinforcing edging rib wall 23b is continuously erected in a portion other than the region where the erecting plate portion 21 is erected.

In addition, as described above, the pump container switching adapter 20 of the second embodiment has the opening edge of the mounting opening 23a of the overhanging proximal end plate portion 23 and the outer peripheral portion of the proximal end portion of the neck portion 17b of the container main body 17a. and the mounting cap portion 16d of the pump dispenser 16, the pump container 17 is mounted and fixed, and the standing plate portion 21 is spaced apart from the axial pipe 16c along the axial pipe 16c. It is designed to be placed upright.

In the second embodiment, the upright plate portion 21 of the pump container switching adapter 20 is upright from the outer peripheral edge portion of the annular projecting base end plate portion 23, and is preferably viewed from above. , and arcuately curved along the circumferential direction around the axial pipe 16c. The standing plate portion 21 is preferably formed to have a right-angled trapezoidal front shape that is laid down, and has a height h' (see FIG. ). The upper side of the overturned right-angled trapezoidal shape is a slanted cut 24 , and in this slanted cut 24 , from one side to the other side of the upper side of the standing plate 21 by the slanted cut 24 . For example, four stepped portions 24b are formed, the heights of which gradually decrease toward the bottom.

The height is gradually lowered from one side to the other side of the upper side portion (locking notch portion) 22, which is the nozzle contact portion, by the inclined cut portion 24 of the standing plate portion 21. By forming the step portion 24b, the pump head 16a is preferably pushed by the urging means from the state in which the pump head 16a is arranged at the top (see FIGS. 9A and 10A). Operation is performed so that the stroke length of the pump head 16a until the lower side of the nozzle portion 16b comes into contact with each stepped portion 24b (see FIGS. 9(b) and 10(b)) has different predetermined lengths. , can be easily regulated and adjusted.

In the pump container 17 including the pump container switching adapter 20 of the second embodiment having the above-described configuration and the pump dispenser 16 to which the pump container switching adapter 20 is attached, the pump container 17 rotates with respect to the mouth and neck portion 17b of the container body 17a. The position of the pump head 16a of the pump dispenser 16 is adjusted by rotating the pump head 16a of the pump dispenser 16, and as shown in FIGS. By performing a pressing operation without interfering with the pump head 16a, it is possible to press the pump head 16a with a full stroke length and eject a predetermined amount of liquid medicine, for example, 25 mL. Further, by adjusting the position of the pump head 16a, as shown in FIGS. The pump head 16a is moved with a regulated predetermined stroke length until the lower surface of the portion 16b comes into contact with the stepped portions 24b of the inclined cut portions 24, which are the engagement notches 22 serving as nozzle contact portions. By pressing each, it is possible to eject a set amount of liquid agent, such as 20 mL or 5 mL.

Therefore, according to the pump container switching adapter 20 and the pump container 17 of the second embodiment, the position of the pump head 16a in the circumferential direction around the axial direction pipe 16c is adjusted so that the nozzle portion 16b can be positioned on the standing plate. The stroke of the pump head 16a when it is pressed without interfering with the portion 11, and the stroke when the pump head 16a is pressed from the state where the lower surface of the nozzle portion 16b can contact the locking notch portion 12. Since the stroke length can be switched between , it is possible to more easily switch the stroke length when the pump head 16a is pressed, and it is possible to easily adjust the discharge amount of the content liquid.

FIGS. 11A and 11B illustrate another form of the pump container switching adapter 20 of the second embodiment. In the pump container switching adapter 20 shown in FIG. 11( a ), an engaging notch (nozzle contact portion) 22 is formed by an inclined cut portion 24 formed by obliquely cutting the upper side of the standing plate portion 21 . is not provided with the stepped portion 24b, and remains inclined. The position of the pump head 16a in the circumferential direction around the axial pipe 16c is also adjusted by the pump container switching adapter 20 shown in FIG. By abutting the lower surface of the pump head 16a, the stroke length of the pump head 16a can be easily regulated and set to different predetermined lengths. The same effects as those of the above-described pump container switching adapter 20 shown in FIG.

In the pump container switching adapter 20 shown in FIG. 11(b), the upper surface of the nozzle portion 16b of the pump head 16a is provided on the outer peripheral surface of the upper end portion of the standing plate portion 21 opposite to the axial pipe 16f. A reference display 24f' is provided as a reference for the ejection amount of the liquid agent depending on the stroke length when the nozzle portion 16b is pressed from the contact and locked state. As a result, it becomes possible to select the discharge amount required for the dilution concentration of the liquid agent which differs depending on the application, in the same manner as the pump container switching adapter 10 shown in FIGS. 6(c) and 6(d).

In addition, as shown in FIGS. 12(a) to 12(d), the above-described pump container switching adapters 10 and 20 use an integrated cover 30, so that the pump container provided with the pump dispenser 16 can be placed in a more stable state. can be installed as one unit. That is, the integrated cover 30 has an inner diameter one size larger than the outer diameter of the pump housing 16e of the pump dispenser 16, and has a plate width capable of pressing the shoulder portion of the mounting cap portion 16d of the pump dispenser 16. , an annular presser plate portion 31 having a notch 31a through which the axial pipe 16c passes; and a three-legged locking leg portion 32 disposed in a portion facing the notch 31a. A fixing claw 32a preferably having a right-angled triangular cross-sectional shape is formed at the lower end of each standing locking leg 32 so as to protrude inward.

On the other hand, preferably, the overhanging proximal end plate portions 13, 23 of the pump container switching adapters 10, 20 are provided with upright plate portions 11, 21 erected from the outer peripheral edge portion and connection corner portions with the edging rib walls 13b, 23b. , three engaging holes 33 are formed at positions corresponding to the upright engaging leg portions 32 of the integrated cover 30 .

For example, the opening edges of the mounting openings 13a and 23a of the protruding proximal end plate portions 13 and 23 may be sandwiched between the outer periphery of the proximal end portion of the mouth and neck portion 17b of the container body 17a and the mounting cap portion 16d of the pump dispenser 16. Then, with the pump container switching adapters 10 and 20 attached to the pump container (see FIG. 12(a)), the integrated cover 30 is passed through the notch 31a through the axial pipe 16c to attach the mounting cap portion 16d. By pressing downward while overlapping the annular presser plate portion 31 on the shoulder portion of each of the three engagement holes 33, the fixing claws 32a of the respective standing locking leg portions 32 are forcibly pushed. (see FIGS. 12(c) and (d)). As a result, the mounting cap portion 16d is firmly pressed against the overhanging proximal end plate portions 13 and 23 via the integrated cover 30, so that the pump container switching adapters 10 and 20 sandwiched by the mounting cap portion 16d are It will be attached to the pump container with the pump dispenser 16 in a more stable state (see FIG. 12(b)).

It should be noted that the present invention is not limited to the above-described embodiments, and various modifications are possible. For example, as a pump dispenser, an upright plate portion having a locking notch portion is preferably erected directly on the mounting cap portion of the pump dispenser without using the above-described pump container switching adapter, It is possible to obtain the same effects as those in which the upright plate portion is provided via the pump container switching adapter having the projecting proximal end plate portion. Also, as the pump container, preferably, a pump dispenser having an erecting plate portion directly erected on the mounting cap portion is used, so that the pump container can be erected via a pump container switching adapter having an overhanging base end plate portion. It is possible to obtain the same effect as the pump container provided with the plate portion.

10, 20 Pump container switching adapters 11, 21 Standing plate portion 12 Locking notch portions 13, 23 Overhanging base end plate portions 13a, 23a Mounting openings 14, 14', 14'' U-shaped notch portion 14a, 14a′, 14a″ upper side portion (nozzle contact portion)
14b, 14b', 14b'' lower side (nozzle contact portion)
14c′ inclined portion 14d′ stepped portion 14f′, 24f′ guideline display 14g display rib 14h″ strip-shaped cut portion 14i″ inner side portion 14j″ projection piece 16 for retaining stopper pump dispenser 16a pump head 16b nozzle portion 16c axial pipe 16d Mounting cap portion 17 Pump container 17a Container main body 17b Mouth neck portion 22 Locking notch portion (nozzle contact portion)
24 Inclined cut portion 24b Stepped portion 30 Integrated cover 31 Annular holding plate 32 Standing locking leg portion 32a Fixed claw 33 Engagement hole

Claims (5)

A pump container switching adapter that is attached to a pump container having a pump dispenser that discharges a content liquid by pressing a pump head that can move up and down, and that can adjust the discharge amount,
An upright plate portion having a nozzle abutting portion that can be attached to the mouth and neck portion of the pump container and that regulates the stroke length of the pump head by abutting the nozzle portion of the pump head is provided. ,
The nozzle abutting portion is spaced apart from the axial pipe at a portion in the circumferential direction of the outer peripheral region of the axial pipe to which the pump head is attached, and the tip of the nozzle portion laterally protrudes from the pump head. is placed inside the circumferential locus of the part,
By changing the position of the nozzle portion in the circumferential direction about the axial pipe, the position where the nozzle portion does not interfere with the nozzle contact portion and the position where the nozzle portion can contact the head contact portion are changed. and/or between a plurality of different positions at which the nozzle portion can abut against the head abutment portion, by switching the stroke length of the pump head to adjust the discharge amount. Switching adapter for pump container. The nozzle contact portion is provided by a U-shaped cut portion formed by cutting a side portion of the standing plate portion in a U-shape. 2. The pump container switching adapter according to claim 1, wherein the stroke length of said pump head is regulated between said parts. 3. The pump container switching adapter according to claim 2, wherein the U-shaped notches are formed on both sides of the standing plate portion so that the regulating stroke lengths are different from each other. A standing plate portion having a nozzle abutting portion is fixed to the mounting cap portion to regulate the stroke length of the pump head by abutting the nozzle portion of the pump head,
The nozzle abutting portion is spaced apart from the axial pipe in a circumferential portion of the outer peripheral region of the axial pipe to which the pump head is attached, and the tip of the nozzle portion laterally protrudes from the pump head. It is arranged inside the locus in the circumferential direction of the part,
By changing the position of the nozzle portion in the circumferential direction about the axial pipe, the position where the nozzle portion does not interfere with the nozzle contact portion and the position where the nozzle portion can contact the head contact portion are changed. position and/or between a plurality of different positions where the nozzle portion can abut on the head abutment portion, by switching the stroke length of the pump head to adjust the discharge amount. pump dispenser. A pump-equipped container that is provided with the pump dispenser according to claim 4 so that the discharge amount can be adjusted.

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