JP4990106B2 - Double dispenser - Google Patents

Description

  The present invention relates to a dual-type dispenser that individually discharges different types of contents from a dispensing nozzle, and in particular, is detachably adapted to the tip portion of the dispensing nozzle so as to supply the dispensing nozzle. The present invention relates to a dual-type dispenser provided with a cap for closing the nozzle.

  In recent years, a lot of cosmetics, especially hair coloring agents, in which two types of contents having different compositions are mixed and used immediately before use have been distributed. As an apparatus for dispensing such two types of contents, as disclosed in Patent Document 1, each of the contents is filled in an individual container, and the suction of the pump device is placed in the mouth of each container. By connecting the port and manually driving the pump device, the contents are simultaneously sucked, pressurized and pumped from each container, and the pumped contents are discharged to the outside through the dispensing nozzle. A type of dispenser is known.

Further, in order to prevent the contents in the container from being exposed to the surrounding air through the opening of the pouring nozzle after use and the contents being oxidized or solidified, Patent Document 2 discloses a pouring nozzle. A pump-type liquid dispensing container is described in which a cap that closes the feeding path of the dispensing nozzle is provided at the tip. Such a cap is a so-called hinge cap in which a lid portion is provided on a cylindrical body fitted to the tip portion of the dispensing nozzle so as to be freely opened and closed via a hinge portion, and the structure is simple and manufactured at low cost. Widely used because it can.
JP 2007-137466 A JP 2001-278315 A

  However, when the outer diameter is relatively small, such as a dispensing nozzle used in cosmetics or the like, the cap itself is also reduced in size, and accordingly, the finger hook for opening the lid is also reduced. As a result, a sufficient finger hook cannot be secured when opening the lid, and such a finger hook is provided only at a position facing the hinge portion. When the lid is opened, usually a thumb or index finger is used. Since any one of these cannot be used, there is a problem that it is difficult to open the lid. Furthermore, by repeatedly opening and closing the lid portion, the hinge portion may be fatigued, and the hinge portion may be damaged early.

  Accordingly, an object of the present invention is to solve these problems, and an object of the present invention is to provide a dual-type dispenser equipped with a cap that is easy to attach and detach and has excellent durability. There is.

  In order to achieve the above object, the present invention communicates with two containers filled with different types of contents, and sucks, pressurizes, and pumps the contents in the container, and is pumped by the pump. A discharge nozzle that individually discharges the contents to the outside, and a cap that removably fits at the tip of the discharge nozzle and closes the supply path of the discharge nozzle The cap is a dispenser, wherein the cap is provided with a body portion having a recess adapted to the tip portion of the dispensing nozzle, and integrally connected to the body portion and extends along both outer side walls of the dispensing nozzle. It consists of a pair of arm members, each of the arm members is provided with a long hole that opens along the axial center of the extraction nozzle from the front end side to the rear end side, and the outer wall of the extraction nozzle It fits into each slot and the A shaft portion is provided to hold the arm member together with the main body portion so as to be slidable along the axial center of the pouring nozzle, and the opening width is locally set in the long hole at the rear end region of the long hole. Positioning that forms a narrowed portion narrowed to the shaft, positions the shaft portion by forcibly passing the shaft portion in the narrowed portion, and holds the arm member rotatably with the positioned shaft portion as a base point Protrusions are provided, engaging recesses are provided in the inner wall of at least one of the arm members, and the arm member is rotated on the outer wall of the dispensing nozzle with the shaft portion positioned by the positioning protrusion as a base point. The dual-type discharge device is characterized in that an engagement convex portion that engages with the engagement concave portion and maintains the rotation posture as it is is provided. By adopting such a configuration, when the outer wall of the main body portion of the cap is grasped with a finger and the arm member is pulled together with the main body portion toward the distal end side of the arm member with respect to the dispensing nozzle, the arm member becomes a long hole. The main body portion and the arm member slide to the tip end side, and the feeding path of the dispensing nozzle is opened. Further, the shaft portion of the pouring nozzle forcibly passes the positioning protrusion formed in the rear end region of the long hole, so that the main body portion is positioned together with the arm member, and the feeding path of the pouring nozzle is opened. Is retained. Furthermore, by rotating the arm member with the shaft portion positioned by the positioning protrusion as a base point, it is possible to secure a discharge path for the contents discharged from the dispensing nozzle. Further, by engaging the engagement concave portion of the arm member and the engagement convex portion of the dispensing nozzle, the rotation posture of the arm member that rotates with the shaft portion held by the positioning protrusion as the base point is maintained. . On the other hand, when the cap is pushed into the rear end side of the arm member with respect to the dispensing nozzle from the state where the feeding path of the dispensing nozzle is held open, the shaft portion positioned by the positioning protrusion is released from the positioning. The arm member is guided to the shaft portion of the pouring nozzle through the long hole, the main body portion and the arm member slide to the rear end side, and the concave portion of the main body portion becomes the tip portion of the pouring nozzle. The delivery path of the dispensing nozzle is closed. Here, the “front end side” of the arm member refers to the side of the arm member that is connected to the main body portion, and the “rear end side” of the arm member refers to the side of the arm member that is separated from the main body portion. That is, it shall refer to the terminal side. The “rear end region of the long hole” refers to a region of the long hole closer to the rear end side of the arm member.

  Furthermore, a constriction part that locally narrows the opening width in the front end region of the long hole is formed in the long hole, and the recess of the main body part and the dispensing nozzle are forced by passing the shaft part at the constriction part It is preferable to provide a locking projection for locking the shaft portion in a state where the tip portion of the nozzle is fitted and the feeding path of the dispensing nozzle is closed. Here, the “front end region of the long hole” refers to a region of the long hole closer to the front end side of the arm member.

  Furthermore, it is preferable that the engaging convex portion is formed to protrude in a dome shape on the outer wall of the dispensing nozzle.

  Further, the engaging convex portion is disposed on the same axis as the shaft portion, extends rearward from the long hole on the inner wall of the arm member, and is engaged when the arm member is slid with respect to the dispensing nozzle. It is preferable to provide a passage through which the portion passes.

  And it is preferable that a main-body part has a finger-hook part which protrudes outward on the outer side wall.

  According to this invention, when attaching and detaching the cap, the outer wall of the main body portion of the cap can be gripped by a plurality of fingers, and the cap and the dispensing nozzle are the long hole of the arm member and the dispensing nozzle. Therefore, it is possible to provide a dual-type dispenser equipped with a cap that is easy to attach and detach and has excellent durability.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing a typical dual-type discharger according to the present invention, where (a) is a front view, (b) is a side view, (c) is a top view, and FIG. (a)-(c) is an enlarged view of the cap shown to FIG.1 (a)-(c), FIG.3 (a), (b) is a cap of the cap shown to FIG.2 (a)-(c). FIG. 4 is an exploded perspective view of the dispensing nozzle and the cap, FIG. 5 is a cross-sectional view taken along the line AA of FIG. 1 (c), and FIG. FIG. 7 is a cross-sectional view taken along line BB in FIG. 5, and FIG. 7 is a cross-sectional view taken along line CC in FIG.

  As shown in FIGS. 1A to 1C, the dual-type dispenser 1 includes a cover 3 and a holder 5 fitted on the outer upper portion of the cover 3. In the cover 3, two containers 7, 8 filled with different types of contents, and two pumps 9 arranged in parallel for sucking, pressurizing and pumping the contents in the containers 7, 8 are provided. 10 are accommodated. In addition, on the discharge side of the pumps 9 and 10, a dispensing nozzle 11 that individually discharges the contents pumped by the pumps 9 and 10 toward the outside world is disposed. The pumps 9 and 10 extend outward through an opening 15 formed in a lever 13 that is gripped when the pumps 9 and 10 are driven manually. Furthermore, a cap 17 is provided at the distal end portion of the dispensing nozzle 11 so as to be detachably fitted to the distal end portion and close the feeding path of the dispensing nozzle 11.

  As shown in FIGS. 2 (a) and 2 (b), the cap 17 has a recess 19 that fits into the tip portion of the dispensing nozzle 11, that is, is fitted to cover the tip portion of the dispensing nozzle 11. It consists of a part 21 and a pair of arm members 23 that are integrally connected to the main body part 21 and extend along both side walls of the dispensing nozzle 11.

  Each arm member 23 opens from the front end side (upper side in FIG. 2 (a)) to the rear end side (lower side in FIG. 2 (a)) along the axis x of the dispensing nozzle 11 and is armed. A long hole 27 that terminates in the member 23 and engages with a shaft portion 25 provided on the outer wall of the dispensing nozzle 11 is formed.

  Further, in the rear end region of the long hole 27 (region on the rear end side of the long hole 27), a narrowed portion where the opening width W of the long hole 27 is narrower than the diameter D of the shaft portion 25 is formed. Positioning projections 29 and 31 for positioning are provided. As shown in FIG. 3 (a), when the cap 17 is pulled up in the direction of the arrow α with respect to the dispensing nozzle 11 from the state shown in FIG. 2 (a), and the narrowed portion in the rear end region reaches the shaft portion 25, The protrusions 29 and 31 can be slightly elastically deformed, and the shaft portion 25 passes through the narrowed portion and comes into contact with the rear end portion 33 (rear stop end) of the long hole 27 and stops. After the shaft portion 25 stops, the shaft portion 25 is rotatably held between the protrusions 29 and 31 and the rear end portion 33. As a result, as shown in FIG. 3B, the cap 17 can rotate in the front-rear direction (showing a state rotated rearward (arrow β direction) in the figure) with the shaft portion 25 as a base point.

  On the other hand, as shown in FIG. 2A, in the front end region of the long hole 27 (region on the front end side of the long hole 27), the narrowed portion where the opening width W of the long hole 27 is narrower than the diameter D of the shaft portion 25. And the concave portion 19 of the main body portion 21 and the distal end portion of the dispensing nozzle 11 are fitted by the forced passage of the shaft portion 25 at the narrowed portion, that is, the inner portion of the concave portion 19 of the main body portion 21 is fitted. Locking projections 35 and 37 are provided to lock the shaft portion 25 in a state that substantially matches the size of the tip portion of the discharge nozzle 11 and the feeding path of the discharge nozzle 11 is closed. When the cap 17 is pushed into the dispensing nozzle 11 from the state shown in FIG. 3A in the direction of the arrow γ shown in FIG. 3A and the narrowed portion in the front end region reaches the shaft portion 25, the projection 35, 37 can be slightly elastically deformed, and the shaft portion 25 passes through the narrowed portion and comes into contact with the front end portion 39 (front stop end) of the long hole 27 to stop. Thereby, the cap 17 is held in a state in which the recess 19 of the main body portion 21 is adapted to the tip portion of the dispensing nozzle 11.

  Further, as shown in FIG. 2B, an engagement recess 41 is provided on the inner wall of the arm member 23 (side wall facing the outer wall of the pouring nozzle 11), and the outer wall of the pouring nozzle 11. As shown in FIG. 3B, when the arm member 23 is rotated with the shaft portion 25 positioned in the rear end region of the long hole 27 as a base point, the engagement recess 41 is engaged. An engagement convex portion 43 is provided to maintain the rotation posture. That is, the engagement concave portion 41 is provided on the inner wall of the arm member 23, and the shaft portion 25 is rotatably supported between the rear end portion 33 of the long hole 27 and the protrusions 29 and 31 (FIG. 3A). In the state shown in FIG. 3), an engaging convex portion 43 that engages with the engaging concave portion 41 is provided on the rotation trajectory T (see FIG. 3A) of the engaging concave portion 41. Furthermore, as shown in FIG. 2B, the engagement convex portion 43 has a dome shape that is formed to protrude from the outer wall of the dispensing nozzle 11. Furthermore, the engagement convex portion 43 is on the same axis as the shaft portion 25, that is, in a state where the recess 19 of the cap 17 is adapted to the tip portion of the dispensing nozzle 11 as shown in FIG. The engaging convex portion 43 and the shaft portion 25 are disposed so as to exist on the same axis line x1 parallel to the axis x of the dispensing nozzle 11.

  Further, as shown in FIG. 4, on the inner wall on the rear end side of the arm member 23, the engagement convexity is formed as a passage through which the engagement convexity 43 passes when the cap 17 is pulled up with respect to the dispensing nozzle 11. A groove 45 having a width equal to or larger than the diameter of the portion 43 is formed from the rear end portion 33 of the long hole 27 to the rear end edge in the rearward direction. The passage through which the engaging convex portion 43 passes allows only the engaging convex portion 43 to pass through without passing the shaft portion 25 of the pouring nozzle 11 when the cap 17 is pulled up with respect to the pouring nozzle 11. Therefore, when the diameter of the engaging convex portion 43 is made smaller than that of the shaft portion 25, a through groove that continuously opens from the long hole 27 in place of the groove 45 in the illustrated example is provided. It can also be.

  As shown in FIGS. 1 to 4, the main body portion 21 has a pair of finger hook portions 47 that protrude outwardly on the left and right sides on the outer wall and can be hooked when the cap 17 is pulled up with respect to the dispensing nozzle 11. Is formed. Although not shown in the drawings, the finger-hanging portion 47 may be provided so as to protrude from the outer side wall of the main body portion 21 in the front-rear and outward directions, or may be provided over the entire circumference of the main body portion 21.

  Next, pumps applicable to the present invention will be described below. As described above, this double-type dispenser 1 communicates with the inside of the two containers 7 and 8 filled with different types of contents, and the contents in the containers 7 and 8 are sucked, pressurized and pumped. The two pumps 9 and 10 arranged in parallel are provided. In addition, in each pump 9 and 10 and the containers 7 and 8, what has the same structure is attached | subjected and demonstrated.

  As shown in FIGS. 5 and 6, each pump 9, 10 is composed of an outer cylinder 50 in which the mouth portions 7 a, 8 a of the containers 7, 8 are mounted on the outer peripheral surface and an inner cylinder 52 fitted on the inner peripheral side thereof. A cylinder 53, a piston 55 slidably disposed in the cylinder 53, and the piston 55 is urged with respect to the cylinder 53 in a direction of separating along the axial center of the pumps 9 and 10, that is, the piston 55 Urging means 57 that pushes up the cylinder 53 upward, and the piston 55 arranged in the cylinder 53 is slid by the pushing force from the lever 13 and the drag force from the urging means 57, so that the piston 55 The contents of the containers 7 and 8 are sucked and discharged by increasing or decreasing the volume of the pump chamber S formed between the cylinders 53, and the piston 55 is pushed into the cylinders 53. The work is, the piston 55 is restricted by abutting the bottom portion of the cylinder 53.

  The cylinder 53 has a bottomed cylindrical shape, and has a suction valve 61 in the vicinity of the suction port 59 formed at the bottom. The intake valve 61 includes an annular body 63 supported and fixed on an inner wall near the intake port 59 of the cylinder 53 and a valve body 65 elastically supported by the annular body 63. The suction port 59 of the cylinder 53 is opened only when the contents are sucked, and the pump chamber S and the containers 7 and 8 communicate with each other.

  The piston 55 transmits a piston body 71 having a cylindrical piston rod 67 and a dish-shaped piston head 69 formed integrally with the piston rod 67, and the pushing force from the lever 13 described above to the piston rod 67. A hollow stem 73 having a fluid flow path P formed therein, and disposed between the hollow stem 73 and the piston body 71, slides along the inner surface of the cylinder 53 in conjunction with the pressure of the pump chamber S. The valve rod 77 opens and closes the flow hole 75 formed in the outer peripheral surface of the piston rod 67. The piston rod 67 is integrally fixed to a plurality of ribs formed on the inner peripheral surface of the hollow stem 73 at an upper portion thereof.

  The biasing means 57 is disposed between the first support 79 fixed to the inner peripheral surface of the cylinder 53, the second support 81 fixed to the outer peripheral surface of the hollow stem 73, and the supports 79, 81. And a coil-like spring 83 for urging them in a direction away from each other. Further, the lower surface of the first support 79 abuts against the flange 73 a of the hollow stem 73 in a state where the lever 13 is opened, and restricts movement in the axial direction so that the piston 55 does not pull out from the cylinder 53.

  As shown in FIG. 7, a joint 85 that connects the pumps 9, 10 and the dispensing nozzle 11 is disposed at the discharge ports of the pumps 9, 10, that is, the discharge port 73 b of the hollow stem 73. Yes. Inside the joint 85, two outlet-side paths P1 and P2 that are connected to the discharging nozzle 11 from the outlet 73b of each hollow stem 73 are formed. Further, a partition plate 87 is formed in the pouring nozzle 11 to divide the pouring nozzle 11 into two along the axial center and to form a passage through which the contents having passed through the two outlet paths P1 and P2 are individually passed. Is provided.

  In order to discharge the contents in the containers 7 and 8 using the pumps 9 and 10 having such a configuration, a gripping operation of the lever 13 attached to the holder 5 is performed, and the pressing portion 90 of the lever 13 is connected via the joint 85. The hollow stem 73 may be pushed downward, and the piston main body 71 slides downward against the urging force of the spring 83. When the pushing force is removed in the dead end state, the lever 13 returns to the initial position together with the piston body 71 by the restoring force of the spring 83, and at this time, the inside of the cylinder 53 (pump chamber S) becomes negative pressure. The contents in the containers 7 and 8 are sucked into the cylinder 53 through the suction port 59.

  When the piston main body 71 is slid downward again by the gripping operation of the lever 13, the contents present in the cylinder 53 are pressurized, and the hollow stem 73 passes from the flow hole 75 of the piston rod 67 through the internal passage P of the hollow stem 73. Thus, the pumped contents are individually discharged from the tip of the dispensing nozzle 11 to the outside through the outlet paths P1 and P2.

  In the dual-type discharge device of this embodiment, when the arm member 23 is pulled upward (at the front end side) together with the main body portion 21 of the cap 17, the arm member 23 is connected to the dispensing nozzle 11 through the long hole 27. Guided by the shaft portion 25, the main body portion 21 and the arm member 23 slide to the distal end side, and the feeding path of the dispensing nozzle 11 is opened. Further, the arm member 23 is positioned through the shaft portion 25 by the forced passage of the positioning protrusions 29 and 31 formed in the rear end region of the long hole 27 of the shaft portion 25, and the feeding path of the dispensing nozzle 11 is Hold open. Furthermore, by rotating the arm member 23 with the shaft portion 25 positioned by the projections 29 and 31 as a base point, it is possible to secure a discharge path for the contents discharged from the dispensing nozzle 11. Further, by engaging the engagement concave portion 41 of the arm member 23 and the engagement convex portion 43 of the dispensing nozzle 11, the arm member 23 that rotates around the shaft portion 25 held by the positioning projections 29 and 31 as a base point. No matter what state the discharger 1 is in, its rotational posture is maintained as it is.

  On the other hand, when the arm member 23 is pushed downward (rear end side) together with the main body portion 21 of the cap 17 from the state in which the feeding path of the dispensing nozzle 11 is held open, the shaft portion positioned by the positioning protrusions 29 and 31. 25 is released from its positioning, the arm member 23 is guided to the shaft portion 25 of the dispensing nozzle 11 through the long hole 27, and the body portion 21 and the arm member 23 slide to the rear end side, The recess 19 of the main body portion 21 is fitted to the tip portion of the dispensing nozzle 11, and the feeding path of the dispensing nozzle 11 is closed.

  Therefore, according to the dual-type dispenser of this embodiment, the outer wall of the cap 17 can be gripped by a plurality of fingers when the cap 17 is attached and detached. Even when the outer diameter of the nozzle 11 is relatively small and the size of the cap 17 itself is small, it can be easily attached and detached. In addition, since the cap 17 and the extraction nozzle 11 are connected to each other through the elongated hole 27 of the arm member 23 and the shaft portion 25 of the extraction nozzle 11 in place of the hinge, the cap 17 is connected to the extraction nozzle 11. 11 does not fall off, and since there is no part that repeatedly fatigues, it is excellent in durability.

  Furthermore, according to the dual-type discharge device of this embodiment, a narrowed portion that locally narrows the opening width is formed in the long hole 27 in the front end region of the long hole 27, and the shaft portion 25 at the narrowed portion is formed. Since the forcible passage is provided with the locking projections 35 and 37 for locking the shaft portion 25 in a state where the recess 19 of the main body portion 21 and the tip portion of the dispensing nozzle 11 are fitted, such a The cap 17 can be fixed to the dispensing nozzle 11 by the engagement between the shaft portion 25 and the locking projections 35 and 37.

  Further, according to the double-type discharge device of this embodiment, the engaging convex portion 43 is formed in a dome shape on the outer wall of the dispensing nozzle 11, so that the engaging convex portion 43 is engaged with the arm member 23. The mating recess 41 can be smoothly engaged.

  Further, according to the double-type discharge device of this embodiment, the engaging convex portion 43 is disposed on the same axis (x1) as the shaft portion 25, and is rearward from the long hole 27 on the inner wall of the arm member 23. Since the groove 45 is formed to pass through the engaging convex portion 43 when the arm member 23 is slid with respect to the dispensing nozzle 11, the cap 17 is disposed on the dispensing nozzle 11 with respect to the dispensing nozzle 11. Even if it pushes and pulls along the axis x, the engaging projection 43 moves along the long hole 27 or passes through the groove 45, so that the engaging projection 43 and the arm member 23 are separated from each other. The cap 17 can be pushed and pulled smoothly without interference.

  In addition, according to the double-type dispenser of this embodiment, since the finger hooking portion 47 projecting outward is provided on the outer wall of the main body portion 21 of the cap 17, the cap 17 is attached to the dispensing nozzle 11. When pushing and pulling, the finger can be reliably put on, and the cap 17 can be pushed and pulled with respect to the dispensing nozzle 11 more easily.

  Although the present invention has been described based on the illustrated examples, the present invention is not limited to the above-described embodiments, and can be appropriately changed within the scope of the claims. For example, the dispensing nozzle 11 The cross-sectional shape may be circular, elliptical, rectangular, polygonal, or the like. In the above-described embodiment, the two protrusions 29 and 31 are used as the positioning protrusions. However, if the shaft portion 25 is positioned and the arm member 23 can be held rotatably with the positioned shaft portion 25 as a base point. The number of such protrusions may be one or more. Similarly, although two protrusions 35 and 37 are used as locking protrusions, the recess 19 of the main body portion 21 and the tip portion of the dispensing nozzle 11 are matched and the feeding path of the dispensing nozzle 11 is blocked. As long as the shaft portion 25 can be locked, the number of the protrusions may be one or more.

  According to the present invention, it has become possible to provide a dual-type dispenser equipped with a cap that is easy to attach and detach and has excellent durability.

It is a figure which shows the typical 2 type | formula discharger according to this invention, (a) is a front view, (b) is a side view, (c) is a top view. (A)-(c) is an enlarged view of the cap shown to Fig.1 (a)-(c). (A), (b) is a figure for demonstrating operation | movement of the cap shown to Fig.2 (a)-(c). It is a disassembled perspective view of an extraction nozzle and a cap. It is sectional drawing which follows the AA line of FIG.1 (c). It is sectional drawing which follows the BB line of FIG. It is sectional drawing which follows the CC line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Duplex discharge device 3 Cover 5 Holder 7, 8 Container 9, 10 Pump 11 Extraction nozzle 13 Lever 17 Cap 19 Recess 21 Body part 23 Arm member 25 Shaft part 27 Long hole 27
29, 31 Positioning projection 33 Rear end 35, 37 Locking projection 39 Front end 41 Engaging recess 43 Engaging projection 45 Groove 47 Finger hook 53 Cylinder 55 Piston 57 Energizing means 59 Inlet 61 Inlet valve 73 Hollow stem 75 Flow hole 77 Valve body 85 Joint 87 Partition plate 90 Pressing part

Claims (5)

A pump that communicates with two containers filled with different types of contents, sucks, pressurizes and pumps the contents in the container, and discharges the pumped contents individually to the outside world. A double-type discharge device comprising a dispensing nozzle and a cap that is detachably fitted to a tip portion of the dispensing nozzle and closes a feeding path of the dispensing nozzle,
The cap comprises a main body portion having a recess adapted to the tip portion of the pouring nozzle, and a pair of arm members integrally connected to the main body portion and extending along both outer side walls of the pouring nozzle,
Each of the arm members is provided with a long hole that opens along the axial center of the extraction nozzle from the front end side to the rear end side,
The outer wall of the pouring nozzle is provided with a shaft portion that fits into each of the elongated holes and guides and holds the arm member together with the main body portion so as to be slidable along the axial center of the pouring nozzle. ,
In the long hole, a narrowed portion that locally narrows the opening width in the rear end region of the long hole is formed, and the shaft portion is positioned by forcibly passing the shaft portion in the narrowed portion, positioning A positioning projection for rotatably holding the arm member with the shaft portion as a base point;
An engagement recess is provided on the inner wall of at least one of the arm members,
Engagement on the outer wall of the dispensing nozzle that engages with the engagement recess by rotation of the arm member with the shaft portion positioned by the positioning protrusion as a base point and maintains the rotation posture as it is A double-type dispenser characterized in that a convex portion is provided.   A narrowed portion that locally narrows the opening width in the front end region of the long hole is formed in the long hole, and the recess of the main body portion and the note are forcedly passed through the shaft portion at the narrowed portion. The duplex discharger according to claim 1, wherein a locking projection for locking the shaft portion is provided in a state in which the tip portion of the discharge nozzle is matched and the feeding path of the discharge nozzle is closed.   3. The double-type discharge device according to claim 1, wherein the engagement convex portion is formed to protrude in a dome shape on an outer wall of the dispensing nozzle.   When the engaging convex portion is disposed on the same axis as the shaft portion, extends rearward from the elongated hole on the inner wall of the arm member, and the arm member is slid with respect to the dispensing nozzle The duplex discharge device according to any one of claims 1 to 3, wherein a passage for allowing the engagement convex portion to pass therethrough is provided.   The dual-type dispenser according to any one of claims 1 to 4, wherein the main body portion has a finger hook portion protruding outward on an outer wall thereof.

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