JP2008200576A - Spray button for spray, spray apparatus for spray, and spray - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spray button for a spray which is free from the occurrence of clogging in a screw groove even in the spray of the content containing powder, a spray apparatus for spray, and a spray. <P>SOLUTION: A nozzle attachment recessed part 26 is provided in a button body 20 so as to communicate with a center hole 25 opened downward and to be opened toward the outer periphery. The nozzle attachment recessed part has a center post 28 projected from the button center side toward the opened direction at the recessed part center position. Further, the screw groove 34 communicating with a spray hole 15 is formed on the inner surface of a head part of a cap shaped nozzle member 16 comprising the head part 31 having the spray hole 15 and a cylindrical part 32 having one of openings which is closed with the head part. The nozzle member is fitted into the nozzle attachment recessed part by entering the center post into the inside. In such a case, a gap (g) at least exceeding 0.5 mm is provided between the head inner surface of the nozzle member and the top surface of the center post. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  This invention attaches an injection button to the tip of the ejection pipe projecting from the container, and when the ejection button is depressed or the container is crushed, the contents contained in the container containing powder are discharged through the ejection pipe, The present invention relates to a sprayer for cosmetic, medicinal, cleaning, and painting that sprays outward from an injection hole of an injection button. And in such an ejector, it is related with the injection apparatus for aerosol type | formulas or a pump type ejector attached to the opening | mouth part of a container. And in an ejector, it is related with the ejector button for ejectors attached to the front-end | tip of the ejection pipe provided protruding from a container.

  Conventionally, for example, in an aerosol type ejector, an aerosol type injection device 2 is attached to the mouth of a container 1 as shown in FIG. The injection device 2 includes an ejection pipe 3 that protrudes upward, and the ejection button 4 is attached to the ejection pipe 3 with the tip of the ejection pipe 3 fitted into the center hole 4 a of the ejection button 4. The injection button 4 communicates with a central hole 4a that opens downward and opens toward the outer periphery, and is provided with a nozzle mounting recess 4c. In the nozzle mounting recess 4c, the center post 4b protrudes from the center of the button toward the opening at the center of the recess.

  A nozzle member 5 is fitted into the nozzle mounting recess 4c. That is, the center post 4b is inserted into the nozzle member 5, the inner surface of the head portion 6 of the nozzle member 5 is abutted against the top surface of the center post 4b, and the nozzle member 5 is fitted into the nozzle mounting recess 4c. The outer peripheral projection 5a is hooked on the inner peripheral surface of the recess 4c to prevent the recess 4c from coming off. The nozzle member 5 has a cap shape composed of a head portion 6 having an injection hole 6a at the center and a cylindrical portion 7 that closes one opening with the head portion 6, and a screw that communicates with the injection hole 6a on the inner surface of the head portion 6. A groove 8 is formed.

JP 2003-275635 A

  However, in such a conventional ejector, since the inner surface of the head 6 of the nozzle member 5 is abutted against the top surface of the center post 4b and the nozzle member 5 is fitted into the nozzle mounting recess 4c, the head 6 And the top surface of the center post 4b were in close contact with each other. For this reason, the contents of the container 1 are discharged from the ejection pipe 3 by pushing down the ejection button 4 and pushing the ejection pipe 3, guided from the center hole 4 a of the ejection button 4 to the ejection hole 6 a through the screw groove 8, and the ejection hole. When spraying toward the outside from 6a, the powder contained in the contents is clogged with the screw groove 8, and injection failure may occur.

  Accordingly, an object of the present invention is to provide an ejection button for an ejector, an ejector for an ejector, and an ejector that do not cause clogging in a screw groove even when the content containing powder is ejected.

Therefore, the invention described in claim 1 has a nozzle mounting recess that communicates with the center hole that opens downward and opens toward the outer periphery, and that protrudes from the center of the button toward the opening from the center of the button toward the opening. Provided,
A nozzle member that forms a cap shape including a head portion having an injection hole and a cylindrical portion that closes one opening at the head portion, and that forms a screw groove that communicates with the injection hole on the inner surface of the head portion, is formed inside the center. In the spray button for the ejector, which is inserted into the nozzle mounting recess by inserting a post,
A gap exceeding at least 0.5 mm is provided between the inner surface of the head and the top surface of the center post.

  And the spray button for the ejector according to claim 1 is used by attaching to the spray tube by fitting the tip of the spray tube protruding from the container into the center hole, and when the spray button is pushed down or the container is crushed, The contents contained in the container containing powder are discharged through the ejection pipe, and the gap between the inner surface of the head of the nozzle member and the top surface of the center post from the center hole of the injection button, and the head of the nozzle member It guide | induces to an injection hole through the screw groove | channel formed in a part inner surface, and it sprays toward the exterior from the injection hole.

  According to a second aspect of the present invention, in the jet button for an ejector according to the first aspect, the gap is 3.0 mm or less.

  The invention according to claim 3 is the spray button for an ejector according to claim 1 or 2, wherein the nozzle mounting recess is formed with a stepped portion facing outward in the opening direction, while the nozzle member has An abutting step portion is formed by the head portion and the cylindrical portion, and when the nozzle member is fitted in the nozzle mounting recess, the abutting step portion is abutted against the outward step portion to define the gap. It is characterized by becoming.

  The invention according to claim 4 is provided with an ejection pipe projecting upward, the tip of the ejection pipe being fitted into the central hole, and the ejection pipe according to any one of claims 1 to 3. An ejection device for an ejector, wherein an ejection button is attached.

  According to a fifth aspect of the present invention, the ejector injection device according to the fourth aspect is attached to a mouth portion of a container, and contents containing powder having a size smaller than the gap are accommodated in the container. This is an ejector for cosmetics and medicinal use.

  The invention according to claim 6 is characterized in that the spray button for the ejector according to any one of claims 1 to 3 is attached to a tip of a jet pipe provided so as to protrude from the container. Etc.

  According to the spray button for an ejector according to the first to third aspects of the present invention, a gap of at least 0.5 mm is provided between the head inner surface of the nozzle member and the top surface of the center post, and is attached to the spray pipe. When used, when the injection button is pressed down or the container is crushed, the contents of the container are discharged from the injection pipe and injected from the center hole of the injection button through the gap between the nozzle member and the center post, and the screw groove of the nozzle member Even when the passage between the inner surface of the head of the nozzle member and the top surface of the center post is made sufficiently wide so that the content contains powder, the powder is screw screw groove. Therefore, it is possible to reliably inject the contents through the gap and the screw groove outwardly from the injection hole.

  In addition, in the space formed by providing a gap between the inner surface of the head of the nozzle member and the top surface of the center post, the contents injected from the injection holes are sufficiently mixed, so that the powder is evenly dispersed in the contents. Thus, the powder can be uniformly applied to the injection target. In addition, by expanding the passage between the inner surface of the head part of the nozzle member and the top surface of the center post, the momentum of the contents injected from the injection hole is weakened, and when a person injects it to an injection site such as an affected part, The feeling of cooling felt can be reduced.

  According to the spray button for the ejector according to the second aspect of the present invention, since the gap between the head inner surface of the nozzle member and the top surface of the center post is 3.0 mm or less, a mist state is further secured. However, the contents can be ejected outward from the ejection holes.

  According to the ejector button for the ejector according to the third aspect of the present invention, when the nozzle member is fitted into the nozzle mounting recess, the abutting step portion of the nozzle member is abutted against the outward step portion of the nozzle mounting recess to form a gap. Since it is defined, a gap between the inner surface of the head of the nozzle member and the top surface of the center post can be created without variation.

  According to the ejection device for an ejector according to the invention described in claim 4, the tip of the ejection tube that protrudes upward is fitted to the center hole, and the ejection tube according to any one of claims 1 to 3. Since the injection button is attached, a gap exceeding at least 0.5 mm is provided between the inner surface of the head part of the nozzle member of the injection button and the top surface of the center post. When the container is pressed down or the container is crushed, the contents of the container are discharged from the ejection pipe, guided from the center hole of the injection button to the injection hole through the gap between the nozzle member and the center post, and the screw groove of the nozzle member. Since the spray is sprayed from the injection hole, similarly, when the passage between the inner surface of the head of the nozzle member and the top surface of the center post is sufficiently wide and the content contains powder, the powder is clogged with screw grooves. Eliminating the risk of causing, it can be reliably ejected toward always outside the contents from the gap and through the screw channel injection hole.

  In addition, in the space formed by providing a gap between the inner surface of the head part of the nozzle member of the spray button and the top surface of the center post, the contents to be sprayed from the spray holes are sufficiently stirred, so that the powder is contained in the contents. It is possible to uniformly apply the powder to the object to be ejected with uniform dispersion. In addition, by expanding the passage between the inner surface of the head part of the nozzle member and the top surface of the center post, the momentum of the contents injected from the injection hole is weakened, and when a person injects it to an injection site such as an affected part, The feeling of cooling felt can be reduced.

  According to the ejector according to the invention described in claim 5, the injector for ejector according to claim 4 is attached to the mouth of the container, and the content containing the powder having a size smaller than the gap is contained in the container. According to the ejector according to the invention described in claim 6, the ejector injection button according to any one of claims 1 to 3 is attached to the tip of the ejector pipe provided to protrude from the container. Therefore, when the spray button is pressed down or the container is crushed, the contents of the container are discharged from the spray pipe, through the center hole of the spray button, through the gap between the nozzle member and the center post, and the screw groove of the nozzle member. Since it is guided to the spray hole and sprayed from the spray hole, similarly, when the passage between the head inner surface of the nozzle member and the top surface of the center post is made sufficiently wide and the content contains powder, Powder Eliminating the risk of causing clogging in Ryu groove can be reliably ejected toward always outside the contents from the gap and through the screw channel injection hole.

  In addition, in the space formed by providing a gap between the inner surface of the head part of the nozzle member of the spray button and the top surface of the center post, the contents to be sprayed from the spray holes are sufficiently stirred, so that the powder is contained in the contents. It is possible to uniformly apply the powder to the object to be ejected with uniform dispersion. In addition, by expanding the passage between the inner surface of the head part of the nozzle member and the top surface of the center post, the momentum of the contents injected from the injection hole is weakened, and when a person injects it to an injection site such as an affected part, The feeling of cooling felt can be reduced.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 shows an ejector according to the present invention as seen from the front, and FIG. 2 shows the ejector as seen from the side.

  Reference numeral 10 in the figure denotes a container. The container 10 contains contents containing powder, such as cosmetics, medicines, washings, and coatings, and an injection device 12 is attached to the mouth part 11 thereof. The injection device 12 includes an ejection pipe (see reference numeral 13 in FIG. 5) that protrudes upward, and an ejection button 14 is attached to the tip of the ejection pipe. As will be described in detail later, a nozzle member 16 having an injection hole 15 is attached to the injection button 14. Then, a cosmetic cap 17 is put on the container 10 so as to cover the spray button 14. A wide vertical groove 18 is formed in the decorative cap 17 so that the spray button 14 can be pushed down.

  As a result, the container 10 is held by hand, the injection hole 15 is directed to the injection target part such as an injection target or a human affected area, and a finger is put on the injection button 14 from above, as shown by a chain line in FIG. The injection button 14 is pushed down by about 3 mm, for example, and the injection tube is pushed in. Then, the contents can be ejected through the ejection pipe and ejected from the ejection hole 15 to the outside.

  By the way, in the illustrated example, when the contents are accommodated in the container 10 together with the propellant and the injection button 14 is pushed down to push the injection pipe, the valve is opened to push up the contents of the container with the pressure of the propellant and The aerosol type injection device 12 which injects from the injection hole 15 through was used. However, not only in the aerosol type injection device, when the injection button is pushed down and the injection pipe is pushed in, the contents of the pump chamber are discharged through the injection pipe and injected from the injection hole, and then the hand is released from the injection button. When the injection button returns based on the urging force, a pump-type injection device that sucks the contents of the container into the pump chamber can be used. Furthermore, an injection button is attached to the tip of the injection pipe provided protruding from the container, the container is crushed and the contents of the container are pushed out, discharged through the injection pipe, guided into the injection button, and injected from the injection hole. An injector can also be used.

  FIG. 3 shows a central longitudinal section of the button body of the injection button 14 used in the ejector shown in FIGS. 1 and 2.

  The button body 20 has a cylindrical shape having a top portion 21, and a plurality of parallel grooves 22 are formed as a non-slip on the circular finger rest portion on the top surface. Inside the button body 20, a short cylinder portion 23 protrudes downward from the center of the top portion 21, and a lateral tube portion 24 extending radially from the outer periphery of the short tube portion 23 to the outer cylinder is formed on the inner surface of the top portion 21. It is formed integrally. The short cylindrical portion 23 is provided with a longitudinal center hole 25 that opens downward and has a lateral hole shape that communicates with the central hole 25 and opens toward the outer periphery. Nozzle mounting recess 26 is provided. The nozzle mounting recess 26 is formed with an opening having a large diameter and an outward stepped portion 27 in the opening direction near the opening. The nozzle mounting recess 26 has a center c2 position on the button center c1 side, that is, a short side. A cylindrical center post 28 is formed so as to protrude from the cylindrical portion 23 toward the opening direction.

  4A shows a longitudinal section of the nozzle member 16 fitted to the button body 20, and FIG. 4B shows the nozzle member 16 as viewed from the right.

  As shown in the drawing, the nozzle member 16 has a cap shape including a circular head 31 having an injection hole 15 having a diameter of about 0.6 mm in the middle and a cylindrical portion 32 that closes one opening with the head 31. . The outer diameter of the head portion 31 is larger than the outer diameter of the cylindrical portion 32, and the abutting step portion 33 is formed by the head portion 31 and the cylindrical portion 32. A plurality of screw grooves 34 are formed on the inner surface of the head 31 so as to extend straight from the outer periphery toward the center and communicate with the injection holes 15. In this example, the width of one screw groove 34 is 0.4 mm and the depth is 0.3 mm. On the other hand, the cylindrical portion 32 is provided with an outer peripheral projection 35 on the outer periphery in the circumferential direction, and a plurality of elongated flat portions 36 in the axial direction on the inner periphery at intervals in the circumferential direction.

  FIG. 5 shows a state in which the nozzle member 16 shown in FIGS. 4A and 4B is fitted in the nozzle mounting recess 26 of the button body 20 shown in FIG.

  As shown in the figure, the center post 28 is inserted into the cylindrical portion 32, the outer periphery of the center post 28 is applied to the flat surface portion 36 of the cylindrical portion 32, and the outer peripheral projection 35 is hooked on the inner periphery of the nozzle mounting recess 26 to prevent it from coming off. The nozzle member 16 is fitted into the nozzle mounting recess 26 of the button body 20, the abutting step portion 33 is abutted against the outward step portion 27, and a gap is formed between the inner surface of the head 31 and the top surface of the center post 28. g is provided. The gap g is at least 0.5 mm and preferably 3.0 mm or less. In this example, the gap g is 1.6 mm. The tip of the ejection pipe 13 that protrudes upward from the aerosol jet device 12 is fitted into the center hole 25 and the ejection button 14 is attached to the tip of the ejection pipe 13.

  Therefore, in the injection button 14, a gap g exceeding at least 0.5 mm is provided between the inner surface of the head portion 31 of the nozzle member 16 and the top surface of the center post 28, and is used by being attached to the ejection pipe 13. When the pressure is depressed, the contents of the container 10 are discharged from the ejection pipe 13, and from the center hole 25 of the ejection button 14, the gap g between the nozzle member 16 and the center post 28, and the screw hole 34 of the nozzle member 16. 15 and spraying from the injection hole 15, the passage between the inner surface of the head portion 31 of the nozzle member 16 and the top surface of the center post 28 is sufficiently wide, and when the content contains powder, Without causing the powder to be clogged with the screw groove 34, the contents can always be reliably injected through the gap g and the screw groove 34 from the injection hole 15 to the outside.

  In addition, the contents injected from the injection holes 15 are sufficiently contained in the space indicated by the symbol s in FIG. 5 formed by providing a gap g between the inner surface of the head 31 of the nozzle member 16 and the top surface of the center post 28. Since the agitation is performed, the powder can be uniformly distributed in the contents and the powder can be uniformly applied to the injection target. In addition, by expanding the passage between the inner surface of the head portion 31 of the nozzle member 16 and the top surface of the center post 28, the momentum of the contents injected from the injection hole 15 is weakened and injected to the injection site such as the affected area. The cooling sensation sometimes felt by people can be reduced.

It is a front view of the ejector by this invention. It is a side view of the ejector shown in FIG. It is a center longitudinal cross-sectional view of the button main body of the injection button used with the ejector shown in FIG. 1 and FIG. (A) is a longitudinal sectional view of a nozzle member fitted to the button body, and (B) is a right side view thereof. FIG. 4 is an enlarged cross-sectional view of a state where the nozzle member shown in FIGS. 4A and 4B is fitted in the nozzle mounting recess of the button body shown in FIG. 3. It is a fragmentary sectional view which shows the injection button attached to the ejection pipe in the conventional ejector in cross section.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Container 11 Mouth part 12 Injection apparatus 13 Ejection pipe 14 Injection button 15 Injection hole 16 Nozzle member 17 Cosmetic cap 20 Button main body 25 Center hole 26 Nozzle mounting recessed part 27 Outward step part 28 Center pole 31 Nozzle member head 32 Nozzle Cylindrical portion of member 33 Abutting step portion 34 Screw groove g Space formed by providing gap s between inner surface of head of nozzle member and top surface of center post c1 Center of button c2 Center of recessed portion

Claims (6)

A nozzle mounting recess that communicates with the center hole that opens downward and opens toward the outer periphery, and that protrudes from the center side of the button toward the opening direction at the center of the recess;
A nozzle member that forms a cap shape including a head portion having an injection hole and a cylindrical portion that closes one opening at the head portion, and that forms a screw groove that communicates with the injection hole on the inner surface of the head portion, is formed inside the center. In the spray button for the ejector, which is inserted into the nozzle mounting recess by inserting a post,
A spray button for an ejector, wherein a gap exceeding at least 0.5 mm is provided between the inner surface of the head and the top surface of the center post.   The spray button for an ejector according to claim 1, wherein the gap is 3.0 mm or less.   In the nozzle mounting recess, an outward stepped portion is formed in the opening direction, while an abutting step portion is formed on the nozzle member by the head portion and the cylindrical portion, and the nozzle member is 3. The spray button for an ejector according to claim 1, wherein the gap is defined by abutting the abutting step portion with the outward step portion when fitted into a nozzle mounting recess. 4.   An ejector pipe according to any one of claims 1 to 3, wherein the ejector pipe is provided with a jet pipe projecting upward, and a tip of the jet pipe is fitted into the central hole, and the jet button for the ejector according to any one of claims 1 to 3 is attached to the jet pipe. An ejector for an ejector.   The ejector for an ejector according to claim 4, wherein the ejector is attached to a mouth portion of a container, and the container contains contents containing powder having a size smaller than the gap.   An ejector comprising the ejector spray button according to any one of claims 1 to 3 attached to a tip of an ejector tube provided so as to protrude from a container.

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