JP6242137B2 - Nozzle head of container pump - Google Patents

Description

  The present invention relates to a nozzle head of a container pump.

  The nozzle head of the container pump is attached to a pump attached to the container main body and causes the pump to be pushed. In such a nozzle head, since the contents are discharged from the nozzle outlet, for example, when the contents adhering to the nozzle outlet are solidified, the contents can be expected when the contents are taken out by a new operation. May be scattered in any direction. For this reason, some conventional nozzle heads include a nozzle cover for preventing the contents from scattering (see, for example, Patent Document 1).

JP 2011-184088 A

  However, the conventional nozzle head has a nozzle cover provided as a separate part with respect to the head. For this reason, the conventional nozzle head has a large number of parts, and there is room for improvement in terms of assembly workability and cost.

  The objective of this invention is providing the nozzle head of the novel pump for containers which can prevent scattering of the content, without increasing the number of parts.

A nozzle head of a container pump according to the present invention includes: a head that is attached to a pump attached to a container body and causes a pushing operation of the pump; a nozzle that protrudes from a side wall of the head; and a discharge port of the nozzle A nozzle cover to prevent the contents of
The nozzle includes a base portion that is linearly inclined upward from the side wall of the head , a bent portion that is integrally connected to the base portion and is lower than the top surface of the top wall of the head , and a lower portion from the bent portion. A tip portion that is inclined toward the tip and forms the discharge port at the tip.
The nozzle cover is a nozzle cover of the inverted U-shaped cross-section lower end and the distal end is opened with protruding integrally from the side wall of the head, top wall of said nozzle cover, the base and the said nozzle is branched to the leading end portion of the nozzle by protruding toward the tip is formed integrally with the bent portion from Rutotomoni the bent portion protrudes from the tip of the discharge port at the tip of the nozzle cover the nozzle ,
The two side walls of the nozzle cover that hang from the top wall of the nozzle cover are respectively spaced apart from the nozzles, and are arranged to extend from the side wall of the head along the protruding direction of the nozzle. After approaching, the two sidewalls extend at equal intervals, and the lower ends of the two side walls are respectively positioned below the lower end of the discharge port of the nozzle.

  In the nozzle cover, at least an upper surface of a portion corresponding to the bent portion of the nozzle may form a flat surface.

  ADVANTAGE OF THE INVENTION According to this invention, the nozzle head of the novel container pump which can prevent scattering of the content, without increasing the number of parts can be provided.

It is sectional drawing which shows the nozzle head which is one Embodiment of this invention. (A) is a front view showing the nozzle head of FIG. 1 from the front, and (b) is a bottom view showing the nozzle head from below. (A) is a top view which shows the nozzle head of FIG. 1 from upper direction, (b) is a side view which shows the same nozzle head. (A) is a perspective view schematically showing the nozzle head of FIG. 1 from the diagonally upper front side, and (b) is a perspective view schematically showing the nozzle head from the diagonally lower front side. It is a side view which shows the pump for containers equipped with the nozzle head of FIG.

  Hereinafter, with reference to drawings, the nozzle head 1 which is one Embodiment of this invention is demonstrated in detail.

  As shown in FIG. 1, the nozzle head 1 is an integrally molded product made of a synthetic resin such as a thermoplastic resin.

The nozzle head 1 has a head 2 mounted on a pump (see FIG. 5) 10, and when the user pushes down the head 2, a pump operation (push-in operation of the pump) corresponding to the push-in is applied to the pump 10. Raise it. In the present embodiment, the head 2 includes a top wall 2a pressed by the user and an annular side wall 2b that hangs down integrally from the outer edge of the top wall 2a. Furthermore, in this embodiment, as shown in FIG. 1, the side wall 2b of the head 2 is suspended with an inclined portion 2b ₁ having a diameter increasing from the top wall 2a downward, and with an equal diameter from the lower end of the inclined portion 2b _1. consisting of the same diameter portion 2b ₂ Metropolitan to. The inclined portion 2b ₁ has a parabolic cross section, but may be a linear taper or the like. Further, the inclined portion 2b ₁ can be omitted from the side wall 2b.

Further, a mounting cylinder 2c that is integrally suspended from the top wall 2a is provided inside the head 2. As shown in FIG. 5, the mounting cylinder 2 c forms an introduction path r ₁ through which contents are introduced from the stem 15 together with a fitting portion 2 c ₁ that fits into the stem 15 provided in the pump 10. An introduction path forming portion 2c ₂ is formed. Further, as shown in FIG. 1, a current plate 2 e is provided inside the introduction path forming portion 2 c ₂ together with a plurality of protrusions 2 d.

Moreover, inside the head 2, the bypass 2p is provided leading to the introduction path forming portion 2c ₂ of the mounting cylinder 2c. The bypass 2p, the introduction port A ₁ leading to the introduction path r ₁ formed in inlet channel forming portion 2c ₂ are formed. Inlet A ₁ is open to the protruding wall 2h provided on the inlet channel forming portion 2c _2. In the present embodiment, the protruding wall 2h has an inclined surface 2f approaching the distal end 3e of the nozzle 3 toward downwardly from the top wall 2a, inlet A ₁ is formed on the inclined surface 2f.

The nozzle head 1 has a nozzle 3 that protrudes integrally from the side wall 2 b of the head 2. The nozzle 3 includes a base portion 3a that is linearly inclined upward from the side wall 2b of the head 2, and a bent portion that is integrally connected to the base portion 3a and is located at a height lower than the upper surface 2t of the top wall 2a of the head 2. and 3b, consists a tip 3c to form a discharge port a ₂ from the bent portion 3b to the distal end inclined curved downward. In the present embodiment, since the upper surface 2t of the top wall 2a of the head 2 is convex upward, the bent portion 3b of the nozzle 3 is the highest portion (point) of the upper surface 2t of the top wall 2a of the head 2. ) Is set to a lower position.

Internal passage r of the inner formed in the nozzle 3 is shaped in the same shape as the appearance of the nozzle 3 form, through the bypass 2p and leading to the inlet A _1. As a result, the discharge port A ₂ of the nozzle 3 leads to the introduction path r ₁ formed inside the introduction path forming portion 2c ₂ via the introduction port A ₁ .

Furthermore, the nozzle head 1 has a nozzle cover 4 that prevents the contents from scattering from the discharge port A ₂ of the nozzle 3. The nozzle cover 4 protrudes integrally from the side wall 2 b of the head 2. Further, as shown in FIG. 2A, the nozzle cover 4 has a top wall 4a and two side walls 4b that are integrally suspended from the top wall 4a. It has a letter-shaped cross-sectional shape. As shown in FIG. 1, the top wall 4 a of the nozzle cover 4 includes a nozzle cover top wall base 4 a ₁ formed integrally with the base 3 a of the nozzle 3 and a tip of the nozzle cover top wall protruding from the bent portion 3 b of the nozzle 3. and a part 4a _2. In the present embodiment, the nozzle cover ceiling wall tip 4a ₂ is provided integrally with the bent portion 3b and part of the tip 3c of the nozzle ₃ via the nozzle cover ceiling wall reinforcement 4a ₃ . Further, the tip of the nozzle cover ceiling wall tip 4a ₂ , that is, the tip 4e ₁ of the nozzle cover 4 protrudes from the bent part 3b of the nozzle 3 more than the tip 3e ₁ of the discharge port A ₂ of the nozzle 3. In this manner, the distal end 4e ₁ of the nozzle cover 4 projects from the distal end 3e ₁ of the discharge port A _2, by the contents to solidify at the discharge port A _2, contents contrary to the intention of the user Even when scattered upward, the scattered contents can be received inside the nozzle cover top wall tip 4a ₂ , which is effective in preventing scattering.

Further, as shown in FIG. 2B, the two side walls 4 b of the nozzle cover 4 are respectively arranged at a distance from the nozzle 3. 2B, each of the two side walls 4b includes a nozzle cover side wall base 4b ₁ formed so that the side walls 4b approach each other as it extends along the protruding direction of the nozzle 3, and a nozzle The nozzle cover side wall tip 4b ₂ extends at equal intervals from the three bent portions 3b. As a result, as shown in FIG. 3A, the nozzle cover 4 protrudes from the head 2 while narrowing and narrowing the lateral width, and then projects with the same lateral width. In this way, if the nozzle cover 4 having an inverted U-shaped cross section protrudes from the side wall 2b of the head 2 while narrowing and tapering, the head cover 2 has high rigidity (strength). As a result, the nozzle cover 4 can be slimmed.

In addition, as shown in FIG. 1, the lower end 4e ₂ of the side wall 4b of the nozzle cover 4 is respectively connected to the tip of the nozzle cover 4 via a tip-side lower end 4e ₃ formed by a parabolic curve protruding outward. 4e ₁ and located below the lower end 3e ₂ of the discharge port A ₂ of the nozzle 3. In this embodiment, as shown in FIG. 3B, the nozzle cover 4 covers the entire nozzle 3. In this manner, the lower end 3e ₂ of the discharge port A ₂ of the nozzle 3 is disposed inside the side wall 4b of the nozzle cover 4 so that the content is solidified, so that the content is contrary to the user's intention. Even when splashing in the width direction of the lower end of the discharge port A ₂ , the scattered content can be received inside the side wall 4 b of the nozzle cover 4, which is effective in preventing scattering.

Moreover, as shown in FIG. 1, in this embodiment, the nozzle cover top wall tip 4a ₂ is inclined downward. In this case, when the contents are solidified, even if the contents scatter not only upward but also on the tip side (front side) against the user's intention, the scattered contents are not removed from the nozzle cover ceiling wall tip 4a _1. This is more effective for preventing scattering. Further, in the present embodiment, the nozzle cover 4 has at least one of the portions corresponding to the portion including the bent portion 3c of the nozzle 3 (for example, at least one of the upper surface of the bent portion 3b of the nozzle 3 and the upper surface of the nozzle cover top wall reinforcing portion 4a _3). Or a part of the upper surface 4f forms a plane. In this case, the upper surface 4f formed on the top wall 4a of the nozzle cover 4 can function as a pressing surface for pushing down the head 2 together with the upper surface 2t of the top wall 2a of the head 2.

  As described above, according to the nozzle head 1 of the present embodiment, scattering of contents can be prevented without increasing the number of parts.

  For reference, FIG. 4A schematically shows the nozzle head 1 from the front oblique upper side, and FIG. 4B schematically shows the nozzle head 1 of the present embodiment from the front oblique lower side. Shown in

  FIG. 5 is a partial cross-sectional view showing an example of a container pump equipped with the nozzle head 1 of the present embodiment.

  Reference numeral 10 denotes a container pump to which the nozzle head 1 is attached. The container pump 10 is attached to the mouth portion 21 of the container body 20 indicated by a two-dot chain line. Reference numeral 11 denotes a cylinder disposed inside the mouth portion 21 of the container body 20. The cylinder 11 has a cylinder body 11a and a flange 11b. The cylinder 11 is disposed inside the mouth portion 21 by placing the flange 11 b on the upper end of the mouth portion 21. In this example, the flange 11 b is placed on the upper end of the mouth portion 21 via the O-ring 17. A mounting cap 12 is rotatably provided on the flange 11b. The mounting cap 12 is screwed into the mouth portion 21 of the container body 20. Thereby, the cylinder 11 is fixed in a liquid-tight state to the mouth portion 21 of the container body 20.

  A pipe 11d is attached to the cylinder body 11a via an adapter 11c. A check valve (suction valve) 13 is arranged inside the cylinder body 11a. Further, a stem 15 is supported on the cylinder body 11 a via a spring 14. The stem 15 is a hollow member and includes a piston 15a that can slide the inner peripheral surface of the cylinder body 11a in a liquid-tight state. The stem 15 is provided with a check valve (discharge valve) 16. As a result, a pump chamber S is formed between the suction valve 13 arranged in the cylinder 11 and the discharge valve 16 arranged in the stem 15 for sucking, pressurizing and pumping the contents in the container body 20. Is done.

  The nozzle head 1 is attached to the stem 15. Thus, if the nozzle head 1 is pushed down, the pump 10 can be pushed in. If the nozzle head 1 is released, the restoring force of the spring 14 can cause the pump 10 to return. it can. Therefore, according to the nozzle head 1 according to the present invention, it is possible to take out the same contents as in the prior art.

  The above description is merely an embodiment of the present invention, and various modifications and omissions can be made by those skilled in the art.

  INDUSTRIAL APPLICABILITY The present invention can be used as a nozzle head of a container pump that contains, for example, a liquid that is easily solidified such as shampoo, rinse, body soap, hand soap, and cosmetic liquid.

DESCRIPTION OF SYMBOLS 1 Nozzle head 2 Head 2a Top wall 2b Side wall 2t Upper surface of the head 3 Nozzle 3a Base part 3b Bending part 3a Tip part 3e Nozzle tip 3e ₁ Discharge end 3e ₂ Discharge end 4 Nozzle cover 4a Top wall 4a ₁ Nozzle cover Top wall base 4a ₂ Nozzle cover top wall tip 4a ₃ Nozzle cover top wall reinforcement 4b Side wall 4b ₁ Nozzle cover side wall base 4b ₂ Nozzle cover side wall tip 4f Nozzle cover upper surface 4e ₁ Nozzle cover tip 4e ₂ Nozzle cover tip Lower end of side wall 10 Container pump (pump)
11 cylinder 12 mounted cap 13 the suction valve 14 spring 15 stem 15a piston 16 discharge valve 20 the container body 21 neck portion A ₁ inlet A ₂ discharge port

Claims (2)

A head mounted on a pump attached to the container main body to cause the pushing operation of the pump; a nozzle protruding from a side wall of the head; and a nozzle cover for preventing the content from being scattered from the discharge port of the nozzle. Prepared,
The nozzle includes a base portion that is linearly inclined upward from the side wall of the head , a bent portion that is integrally connected to the base portion and is lower than the top surface of the top wall of the head , and a lower portion from the bent portion. A tip portion that is inclined toward the tip and forms the discharge port at the tip.
The nozzle cover is a nozzle cover of the inverted U-shaped cross-section lower end and the distal end is opened with protruding integrally from the side wall of the head, top wall of said nozzle cover, the base and the said nozzle is branched to the leading end portion of the nozzle by protruding toward the tip is formed integrally with the bent portion from Rutotomoni the bent portion protrudes from the tip of the discharge port at the tip of the nozzle cover the nozzle ,
The two side walls of the nozzle cover that hang from the top wall of the nozzle cover are spaced apart from the nozzles, and are mutually extended along the protruding direction of the nozzles from the side walls of the head. After approaching, the nozzle head of the container pump extends at equal intervals from each other, and the lower ends of the two side walls are respectively located below the lower end of the discharge port of the nozzle.   2. The nozzle head of a container pump according to claim 1, wherein the upper surface of at least a portion of the nozzle cover corresponding to the bent portion forms a flat surface.

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