JP5115932B2 - Dispensing device for aerosol container - Google Patents

Description

  The present invention relates to an ejection device for an aerosol container that ejects contents from a pair of aerosol containers at the same time and ejects both of the ejected contents together from one nozzle.

For example, it is a type that discharges two kinds of chemical solutions together at the time of use like a certain hair dye. Each chemical solution is individually stored in an aerosol-type container body, and the contents from the pair of container bodies are contained. Japanese Patent Application Laid-Open No. 2000-109150 discloses a technique in which a certain chemical solution is ejected at the same time and the ejected chemical solution is discharged from one place together.
JP 2000-109150 A

  This prior art includes two container bodies provided with stems, a cover that is detachably assembled to both container bodies, a nozzle and an operation unit that are accommodated in the covers, and the nozzle is a stem of the container body. In a state regulated by a nozzle sliding piece and a sliding limited band provided on the cover, and is housed in the cover so as to be movable up and down together with the stem, and the operation portion is provided with a pair of first protrusions provided on both sides. The piece is fixed by being fitted into the slit of the cover.

  The operating part is formed with a base part of the operating lever which is cut out leaving the hinge part. A pair of second projecting pieces are provided at the fitting part of the notch part, and this is provided on the cover side. The whole operation part is fixed to the cover with an adhesive.

  When the operation lever is pushed down with a finger, the two semicircular projections formed on the back surface of the substrate part push the upper surface of the nozzle, and the stems of both container bodies are pushed down accordingly. From the body, the medicine enters the nozzle through the introduction part, and is simultaneously ejected through a guide path formed in the nozzle base part and the nose part.

  As described above, in the above-described conventional technique, for example, both agents can be simultaneously discharged onto a brush, and hair dyeing treatment can be performed quickly.

  However, in the above prior art, in order to assemble and hold the nozzle so that it can be moved up and down while maintaining a constant posture, the cover needs to be provided with a nozzle sliding piece, a sliding limited band, and the like. For this reason, there is a problem that the internal structure becomes complicated, the structure of the mold for molding the cover becomes complicated, and high moldability cannot be obtained.

  In order to simplify the structure of this type of discharge device, the operation lever is generally provided integrally with the cover via a hinge, so that the nozzle is inserted into the cover from above. Therefore, there is a problem that the length of the nozzle opening is limited.

  Therefore, the present invention was devised to solve the above-described problems in the prior art, and it is a technical problem to enable insertion and assembly from the rear of the nozzle equivalent portion with respect to the cover equivalent portion. An object of the present invention is to simplify the structure of the cover-corresponding portion and eliminate the restriction on the length restriction on the nozzle-portion corresponding portion.

  The main structure of the liquid content discharge container of the present invention includes a passage body that connects a stem of a pair of aerosol-type container bodies fixed in parallel to one discharge cylinder, and a nozzle that is connected to the discharge cylinder of the passage body. It has a head, a passage body, a mounting body that covers the head and is fitted with an outer fitting assembly at the upper end portions of both container bodies, and is provided with a pressing plate that pushes down the head on the top wall of the upper end.

  The cover cylinder of the mounting body where the head is located has a front opening through which the head nozzle can protrude and a rear opening through which the head can pass, facing the front and rear. A front mounting rib that can be mounted on the lower end of the opening edge of the rear opening, and a rear mounting rib that can be mounted on the lower end of the opening edge of the rear opening while the front mounting rib is mounted on the lower end of the opening edge of the front opening Is provided.

  In the temporarily assembled state in which the head is inserted into the cover cylinder of the mounting body from the rear opening, and the front mounting rib and the rear mounting rib are mounted on the lower end of the opening edge of the front opening and the rear opening, The head is assembled between the lower end of the opening edge of the front opening of the cover cylinder and the lower end of the opening edge of the rear opening without falling, and the state is maintained as a temporarily assembled state.

  Since this temporarily assembled state is in a posture capable of being coupled to the passage body as it is, the coupled assembly of the passage body to the head can be carried out while the head is temporarily assembled to the mounting body. .

  Further, the temporary assembly of the head to the mounting body is achieved by the front and rear mounting ribs provided on the head, and the configuration of the mounting body for temporarily mounting the head is the front and rear openings. The structure is simple.

  The front opening and the rear opening of the cover cylinder are provided opposite to each other in the front-rear direction, and the assembly of the head to the cover cylinder is an insertion assembly from the rear opening. There is no problem in inserting the head into the cover tube.

  According to another configuration of the present invention, in addition to the main configuration described above, a pair of guide plate pieces is provided on the cover cylinder of the mounting body so as to face the side surface of the head body of the head that is inserted and assembled. In addition, a vertically-divided groove-like guide groove is formed, and projecting pieces that are slidably engaged with the guide groove are provided on both side surfaces of the head main body.

  If the guide plate piece of the mounting body is provided with a guide groove and the head body is provided with a projecting piece that slidably engages with the guide groove, the head assembly posture temporarily attached to the cover cylinder of the mounting body The regular assembly posture is regulated and held in the same manner.

  In addition to the main configuration described above, another configuration of the present invention is configured such that the front mounting rib and the rear mounting rib are positioned higher than the lower end portion of the head main body, and the front-rear width of the lower end portion of the head main body is increased. , Set to a value slightly smaller than the distance between the front opening and the rear opening.

  The front mounting rib and the rear mounting rib are positioned higher than the lower end of the head body, and the front and rear width of the lower end of the head body is set to a value slightly smaller than the distance between the front opening and the rear opening. In this case, the displacement of the temporarily assembled head with respect to the cover cylinder of the temporarily assembled head is restricted by the abutment of the lower end of the head body with respect to the opening edge of the front opening and the opening edge of the rear opening.

Since the present invention has the above-described configuration, the following effects can be obtained.
The aerosol container discharge device of the present invention is assembled in a spanning manner without dropping between the lower end of the opening edge of the front opening and the lower end of the opening edge of the rear opening with respect to the mounting body. The state is maintained as a temporarily attached state, and this temporarily attached state is in a posture capable of being coupled to the passage body as it is, so that the passage to this head remains with the head temporarily attached to the mounting body. The body can be assembled and assembled, whereby the assembly operation of the discharge device can be performed easily and safely.

  Further, since the internal structure of the mounting body is simplified, the mold structure for molding is simplified and the moldability can be improved.

  Since the assembly of the head to the mounting body is an insertion assembly from the rear opening, the length of the nozzle of the head will not cause any trouble in the insertion assembly of the head to the cover tube, and this is necessary. A nozzle having a length of

  If the guide plate piece of the mounting body is provided with a guide groove and the head body is provided with a projecting piece that slidably engages with the guide groove, the head assembly posture temporarily attached to the cover cylinder of the mounting body Since the regular assembly posture is regulated and held in the same manner, the passage body can be assembled to the head as it is, and the assembly work of the discharge device is further simplified.

  The front mounting rib and the rear mounting rib are positioned higher than the lower end of the head body, and the front and rear width of the lower end of the head body is set to a value slightly smaller than the distance between the front opening and the rear opening. In this case, since the displacement of the temporarily assembled head relative to the cover cylinder in the front-rear direction is restricted, the temporary assembly posture of the head with respect to the mounting body is stably maintained, thereby assembling the discharge device. Work will be stable.

  Hereinafter, exemplary embodiments of the present invention will be described with reference to the drawings.

  1 to 4 show an embodiment of the present invention. A container body 1 which is an aerosol container has an opening / closing function section formed by a valve in a narrowed mouth portion of a metal body having an elongated bottomed cylindrical shape. The head 2 is formed by caulking and fixing a metal cap having the stem 3 with the stem 3, and the stem 3 is positioned upright on the upper surface of the head 2.

  The container body 1 is fastened by a coupling cylinder 5 having a long cylindrical shape of a fastening body 4 that is tightly fitted to the head 2 in a state of being adjacent to each other in parallel.

  The mounting body 7 is provided with a long cylindrical cover cylinder 10 connected to the upper end of a long cylindrical external fitting cylinder 8 fitted on the coupling cylinder 5 of the fastening body 4 via a stepped portion having a reduced diameter. The left and right portions of the outer fitting cylinder 8 are provided with pressing pieces 9 for releasing the locking pieces 6 for holding and holding the outer fitting cylinder 8 with respect to the fastening body 4 with respect to the mounting body 7, and the cover cylinder. Before and after 10, a front opening 11 and a rear opening 12 are opened facing each other with the lower end of the opening edge at the same height level.

  In addition, a pair of guide plate pieces 17 (see FIG. 3) are provided in a standing posture between the left and right ends of the front opening 11 and the rear opening 12 of the cover cylinder 10 so as to be opposed to the left and right. However, the guide plate piece 17 is provided with a guide groove 18 extending vertically in the form of a split groove.

  Furthermore, a pressing plate 14 is formed in a cutout shape at the center portion of the top wall 13 of the cover cylinder 10 with the front end connected by a hinge 16. The contact piece 15 (see FIG. 3) is provided in a hanging shape.

  The head 19 is basically suspended from a head body 20 having a cylindrical shape with a top, a nozzle 21 extending forward from the front upper end of the head body 20, and a top wall of the head body 20. In this state, the assembled cylinder 24 communicated with the nozzle 21, the front mounting rib 22 provided in a hanging shape between the front side of the head body 20 and the lower side of the nozzle 21, and the upper side of the head body 20 are lowered. The rear mounting rib 23 provided in a protruding shape on the inclined rear side, and a protruding piece 25 that protrudes from the side surface of the head body 20 and slidably engages with the guide groove 18 of the mounting body 7 (see FIG. 3).

  The passage body 26 that connects the container body 1 and the head 19 includes a discharge cylinder 28 that is tightly fitted to the assembled cylinder 24 of the head 19, and an upper lid portion 27 that stands upright at the center of the upper surface, and left and right end portions of the lower surface. A lower lid portion 29 having a fitting tube 30 that is tightly fitted to one stem 3 is suspended by a hinge portion 33, and the upper lid portion 27 and the lower lid portion 29 are closed by a lock piece 31. In the state, a passage for communicating both the fitting cylinder 30 and the discharge cylinder 28 is formed inside.

  The knob 32 suspended from the center of the lower surface of the lower lid portion 29 forms a support portion by a fingertip when the passage body 26 is assembled to the head 19.

Next, the assembly procedure of the discharge device will be described with reference to FIGS.
As shown in FIG. 5, the head 19 is inserted and assembled into the mounting body 7 from the rear opening 12.

  At this time, the inserted head 19 is displaced downward at a position where the lower end portion of the head main body 20 abuts against the lower end of the opening edge of the front opening 11 from the rear, whereby the front mounting rib 22 and the rear mounting rib 23 are moved. The lower end edge of the front opening 11 and the lower end opening edge of the rear opening 12 are respectively placed, and the lower end portion of the head body 20 is placed at the lower end portion of the opening edge of the front opening 11 and the lower end portion of the opening edge of the rear opening 12. Position between.

  In this state (see FIG. 6), the head 19 can hardly be displaced in the front-rear direction with respect to the mounting body 7 due to the contact of the lower end portion of the head main body 20 with the mounting body 7. In this state, between the lower end opening edge of the front opening 11 and the lower end opening edge of the rear opening 12 is assembled and held in a spanning manner, so that the temporarily assembled posture is stably maintained. Is done.

  When the head 19 is inserted and assembled into the mounting body 7, the projecting piece 25 of the head 19 is also engaged with the guide groove 18 of the guide plate piece 17. The engagement of the projecting piece 25 with the guide groove 18 is smooth. In order to achieve this, it is preferable that a vertical groove is provided on the side wall of the head main body 20 adjacent to the projecting piece 25 and the side wall of the head main body 20 is easily elastically deformed by the vertical groove.

  If the temporary assembly (see FIG. 6) of the head 19 with respect to the mounting body 7 is achieved, the passage body 26 is inserted into the mounting body 7 from below, and is assembled to the head 19, and the nozzle 21 and both fitting cylinders 30. As a result, the assembly of the mounting body 7, the head 19, and the passage body 26 is completed.

  The assembled assembly of the mounting body 7, the head 19, and the passage body 26 is fitted into the fastening body 4 that fastens the pair of container bodies 1 in parallel and the fitting cylinder 30 of the passage body 26 is fitted into the stem 3. Assembling is performed by the external fitting cylinder 8 of the mounting body 7 so as to cover from above, and the assembly of the discharge device to the container body 1 is achieved.

  When the combination of the mounting body 7, the head 19, and the passage body 26 is assembled to the container body 1, the combination of the head 19 and the passage body 26 is pushed upward by the stem 3, The mounting rib 22 and the rear mounting rib 23 are lifted from the lower end of the opening edge of the front opening 11 and the lower end of the opening edge of the rear opening 12, and the upper surface of the head body 20 is in contact with the contact piece 15 of the pressing plate 14, or The head 19 can be pushed down by the pressing plate 14 for discharging the contents by being positioned close to each other (see FIGS. 2 and 3).

  In order to separate the combination of the mounting body 7, the head 19 and the passage body 26 from the container body 1 side in order to clean the inside of the discharge device, the fitting tube 30 of the stem 3 of the container body 1 and the passage body 26 is used. Since the coupling force between the assembly cylinder 24 of the head 19 and the discharge cylinder 28 of the passage body 26 is stronger than the coupling force between the mounting body 7 and the fastening body 4 What is necessary is just to pull up the combination of the mounting body 7, the head 19, and the channel | path body 26 with respect to the container body 1 side in the state which the latching with the latching piece 6 was cancelled | released.

  To disassemble the combination of the mounting body 7, the head 19, and the passage body 26, the knob 32 of the passage body 26 is picked with a fingertip and pulled downward, and the set of the cylinder 24 with the assembly of the head 19 and the discharge cylinder 28 of the passage body 26. This is achieved by removing the sticking.

  Cleaning of the passage body 26 is achieved by releasing the lock piece 31 and opening the upper lid portion 27 and the lower lid portion 29 connected by the hinge portion 33 with a cleaning liquid such as water. This is achieved by washing the nozzle 21 or the assembled cylinder 24 with water or the like.

  The assembly of the mounting body 7, the head 19, and the passage body 26 after the cleaning can be easily performed because the procedure described above may be performed. As described above, the assembly of the mounting body 7, the head 19 and the passage body 26 can be achieved easily and accurately, so that the discharge device can be cleaned very easily. Obtainable.

  As described above, the aerosol container discharge device of the present invention can stably and uniformly maintain the temporary assembly posture of the head with respect to the mounting body without limiting the extension length of the nozzle. A wide range of usage can be expected as a discharge device assembled in a container.

It is a side view which shows one Example of this invention. FIG. 2 is an enlarged longitudinal sectional side view of the embodiment shown in FIG. 1. It is an expansion half vertical front view of the Example shown in FIG. FIG. 2 is an enlarged plan view of the embodiment shown in FIG. 1. It is operation | movement explanatory drawing which shows the assembly state of the head with respect to a mounting body. It is operation | movement explanatory drawing which shows the assembly state of the channel | path body with respect to the combination of a mounting body and a head.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Container body 2; Head 3; Stem 4; Fastening body 5; Coupling cylinder 6; Locking piece 7; Attachment body 8; Outer fitting cylinder 9; Pressing piece 10: Cover cylinder 11; 13; top wall 14; pressing plate 15; abutment piece 16; hinge 17; guide plate piece 18; guide groove 19; head 20; head body 21; nozzle 22; Attached cylinder 25; projection piece 26; passage body 27; upper lid portion 28; discharge cylinder 29; lower lid portion 30; fitting cylinder 31; lock piece 32; knob piece 33;

Claims (3)

A passage body for communicating the stems of a pair of aerosol-type container bodies fixed in parallel to one discharge cylinder, a head having a nozzle connected to the discharge cylinder of the passage body, and both containers covering the passage body and the head And a mounting body provided with a pressing plate for pressing the head on the top wall of the upper end, and a nozzle of the head is mounted on a cover cylinder of the mounting body where the head is located. A front opening that can project and a rear opening through which the head can pass are opened, and a front mounting rib that can be mounted on the lower end of the opening edge of the front opening, and the front mounting rib on the head. An ejection device for an aerosol container provided with a rear mounting rib that can be mounted on the lower end of the opening edge of the rear opening in a state of being mounted on the lower end of the opening edge of the rear opening. A pair of guide plate pieces are provided on the cover cylinder of the mounting body so as to oppose the side surfaces of the head body of the head that is inserted and assembled, and the guide plate pieces are formed with vertically-divided groove-shaped guide grooves. The discharge device for an aerosol container according to claim 1, wherein projecting pieces that are slidably engaged with the guide groove are provided on both side surfaces. The front mounting rib and the rear mounting rib are positioned higher than the lower end portion of the head main body, and the front and rear width of the lower end portion of the head main body is set to a value slightly smaller than the interval between the front opening and the rear opening. The discharge device for aerosol containers according to claim 1 or 2 which was set up.

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