JP5229550B2 - Nozzle head for manual push pump - Google Patents

Description

  The present invention relates to a synthetic resin nozzle head for a manual push-down pump that is assembled to a mouth tube portion of a container body that contains a content liquid and that dispenses the content liquid by a push-down operation.

Shampoo, rinse, body soap, hand soap, and manual push-out dispensing that is assembled to the mouth tube portion of the container body containing the contents liquid such as cosmetic liquid, and dispenses the contents liquid by pushing down the nozzle head In pumps, the nozzle head structure has been used so far that the nozzle cylinder is extended relatively large forward so that the liquid content poured out can be poured directly into the palm. It has been.
Japanese Patent Laid-Open No. 09-012052

  Here, in the nozzle head having a structure in which the nozzle cylinder as described above is extended forward, depending on the type of the content liquid, it adheres to the tip of the nozzle cylinder during storage after the content liquid is poured out. The remaining liquid content may solidify, and if you try to pour it out next, the sticking matter of the remaining liquid will not fix the discharge direction of the liquid, or the discharge direction will diffuse. Occurs, and the poured liquid is scattered in an unintended direction to give the user an unpleasant feeling and make it unusable.

  The present invention was devised to solve the above-described problems in the prior art, and can be easily attached to the nozzle head body, and the discharge direction of the content liquid even when the content liquid adheres to the tip of the nozzle cylinder. To provide a nozzle head made of a synthetic resin for a manual push-down pump that is easy to use, easy to use, and can be used with peace of mind. With the goal.

Among the means of the present invention for solving the above technical problem, the main configuration is:
In a synthetic resin nozzle head for a manual push-out dispensing pump that is assembled and fixed to the mouth tube portion of the container body,
A nozzle cover body that regulates the discharge direction of the poured liquid in a fixed direction on the nozzle head body provided with a nozzle cylinder extending forward on the side peripheral wall of the head-shaped cylindrical head portion with the top wall as a pressing surface. With the installed configuration,
The nozzle cover body is
It has a fitting part that fits outside the head part,
The fitting portion is formed into a cylindrical shape that can be elastically expanded and deformed, and the top wall of the head portion is configured such that the peripheral edge portion extends from the upper peripheral end of the side peripheral wall into an outer flange shape, It is configured to fit over the side wall of the head part over the top wall from above with the diameter expanded,
From the front end of the fitting portion, a channel-shaped cover portion having an inverted U-shaped cross-sectional shape that is externally fitted to the nozzle tube from above along the nozzle tube is extended,
The tip of this cover part is configured to protrude from the tip of the nozzle cylinder.
It is said.

  According to the nozzle head having the above-described configuration, the fitting portion is externally fitted to the head portion, and the channel-shaped cover portion having a U-shaped cross-sectional shape is externally fitted to the nozzle cylinder along the nozzle cylinder from above. Thus, the nozzle cover body can be securely attached to the nozzle head body.

  Further, by adopting a configuration in which the tip end portion of the cover portion protrudes from the tip end of the nozzle tube, the tip end portion of the cover portion can regulate the discharge direction of the poured liquid in a certain direction, and the tip end of the nozzle tube Even if there is an adhering substance of the content liquid remaining on the part, it is possible to suppress problems such as the discharge direction of the poured liquid diffusing or the poured liquid scattering in an unintended direction. .

  Here, the degree of restriction of the discharge direction of the dispensed liquid by the cover part can be adjusted by setting the amount of protrusion from the tip of the nozzle cylinder, the height of the side wall of the cover part, etc. It can be determined as appropriate in consideration of the properties.

Then, the fitting portion is formed into a cylindrical shape that can be elastically expanded and deformed, and the top wall of the head portion is configured such that the peripheral edge portion extends from the upper peripheral end of the side peripheral wall in an outer flange shape, and the fitting portion is The configuration in which the fitting portion is externally fitted to the side peripheral wall of the head portion over the top wall from the upper side in a state where the diameter is expanded is related to the configuration for fitting the fitting portion to the head portion. By making this part a cylindrical shape that can be elastically expanded and deformed, this elastic expansion and deformability can be used to cross the top wall that extends around the outer casing to the side peripheral wall of the head part. Can be fitted externally.
Then, in a state where the fitting portion is externally fitted to the side peripheral wall, it can be elastically brought into contact with the side peripheral wall by utilizing the elastic resilience of the fitting portion, and the top extending in the shape of an outer casing is provided. Combined with the locking effect from above the wall, it is possible to make the fitting part firmly removed from the fitting state to the head part and free from rattling.

  Still another configuration of the present invention is a configuration in which the amount of protrusion from the tip of the nozzle cylinder at the tip of the nozzle cover body is adjustable, and the nozzle cover body is mounted on the nozzle head body so as to be slidable in the front-rear direction. It is said.

  According to the said structure, the protrusion amount of the front-end | tip part of a nozzle cover body can be adjusted with the slide displacement to the front-back direction of a nozzle cover body, and the grade of the regulation of the discharge direction of a pouring liquid can be adjusted suitably.

  According to still another configuration of the present invention, the fitting portion of the nozzle cover body in the above configuration is a long cylindrical piece with the long axis facing in the front-rear direction, and the long cylindrical piece is externally fitted to the side peripheral wall of the head portion. The nozzle cover body is mounted on the nozzle head main body so as to be slidable in the front-rear direction.

  The above configuration relates to a configuration for mounting the nozzle cover body on the nozzle head body so as to be slidable in the front-rear direction, and elastically contacts the side peripheral wall of the head portion in the short axis direction of the long cylindrical piece. In this case, it is possible to adjust the slide displacement amount steplessly in the front-rear direction along the long axis direction.

  Further, the long cylindrical piece can be easily fitted on the side peripheral wall of the head portion beyond the top wall in a state of being elastically deformed into a cylindrical shape.

Still another configuration of the present invention is that the fitting portion of the nozzle cover body is a long cylindrical piece having a long axis directed in the front-rear direction and a constricted portion in the front-rear central portion, and the constricted portion is elastically expanded and deformed. Possible shape,
A configuration in which the nozzle cover body is mounted on the nozzle head body so as to be slidably displaceable between the front part and the rear part of the constricted part of the long cylindrical piece with the long cylindrical piece externally fitted to the side peripheral wall of the head part. It is said to be.

The above configuration also relates to a configuration for mounting the nozzle cover body on the nozzle head body so as to be slidable in the front-rear direction, and the long cylindrical piece serving as a fitting portion is divided into a front portion and a rear portion by a constricted portion. Thus, a stable slide displacement state can be realized between the two locations.
Here, the constricted portion can be elastically enlarged and deformed, and the slide displacement between the front portion and the rear portion can be easily and smoothly achieved while the constricted portion is elastically enlarged and deformed.

  In addition, the long cylindrical piece can be easily fitted over the side peripheral wall of the head portion beyond the top wall by utilizing the elastic diameter expansion deformability of the constricted portion.

  Still another configuration of the present invention is that the nozzle cover body is made of a soft material.

  With the configuration described above, the nozzle cover body is made of a soft material such as an elastomer made of synthetic resin, so that it is possible to prevent scratches on the tip of the nozzle cover body or fingertips at the corners. Moreover, the external fitting process to the head part of a fitting part can be achieved more easily.

Since the present invention has the above-described configuration, the following effects can be obtained.
In other words, in the case of the main structure, the discharge part discharge direction is regulated in a fixed direction by the cover part's tip part by projecting the tip part of the cover part from the tip of the nozzle cylinder. Even if there is a sticking substance of the content liquid remaining on the tip of the nozzle cylinder, the discharge direction of the poured liquid diffuses, or the poured liquid scatters in an unintended direction. Problems can be effectively suppressed.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described along examples with reference to the drawings.
1 to 3 show an embodiment of the nozzle head of the present invention, in which FIG. 1 (a) is a plan view of an embodiment of the nozzle head of the present invention, and FIG. FIG. FIG. 2 shows a state in which the nozzle cover body 11 is slid forward from the state of FIG.
3 is a perspective view of the nozzle cover body 11 in FIG. 1. FIG. 3A is a standard state, and FIG. 3B is a state in which the fitting portion 12 is deformed by expanding the diameter.
1 and 2, the pump P and the container main body 21 are drawn by a two-dot chain line, and the nozzle head 1 is shown attached to the container main body 21 via the pump P.

  The nozzle head 1 of the present embodiment is composed of two members, a nozzle head main body 2 and a nozzle cover body 11, which are injection molded products made of synthetic resin. The nozzle cover body 11 is mounted on the nozzle head main body 2 from above. It is.

  The nozzle head body 2 includes a head portion 3 having a cylindrical shape, and is provided with a nozzle cylinder 5 extending forward from a side peripheral wall 6 of the head portion 3, and a forward flow path for content liquid is provided. Try to form. Moreover, the top wall 4 is made into the shape which the peripheral part extended in the outer casing shape at the upper peripheral end of the side peripheral wall.

  The nozzle cover body 11 is a member having a shape as shown in FIG. 3A, and has a long cylindrical piece 12 a that is a fitting portion 12 that is externally fitted to the side peripheral wall 6 of the head portion 3. A channel-shaped cover portion 15 having an inverted U-shaped (or “U-shaped”) cross-sectional shape that is externally fitted to the nozzle cylinder 5 from above is provided so as to extend along the nozzle cylinder 5 from the front end of the cylindrical piece 12a. doing. (In FIG. 3A, the cross-sectional shape of the cover portion 15 is indicated by hatching.)

The nozzle cover body 11 will be described in more detail. The long cylindrical piece 12a has a constricted portion 13 that can be elastically expanded and deformed at the front and rear central portions.
A notch 12ac is formed in the front peripheral wall of the long cylindrical piece 12a so that the nozzle cylinder 5 can be inserted in the front-rear direction.

On the other hand, the cover portion 15 as a whole has a channel shape having an inverted U-shaped cross-section as described above, but has a plate-like top portion 15t that gently curves forward and downward along the upper surface of the nozzle cylinder 5. It is formed from a pair of flat side walls 15s.
In this embodiment, the height of the side wall 15s is considerably increased so that the entire nozzle cylinder 5 is covered. (See Fig. 1 (b))

  Next, when the nozzle cover body 11 is attached to the nozzle head main body 2, the long cylindrical piece 12a is used as shown in FIG. By restoring to the standard state shown in FIG. 1 (a) in a state where the diameter is expanded and the head wall 3 is lowered to the side peripheral wall 6 beyond the top wall 4 extending in the shape of an outer casing. As shown to (a), the front part of the narrow part 13 of the long cylindrical piece 12a can be made into the state externally fitted to the side peripheral wall 6 in the shape of the elastic contact.

At the same time, the cover portion 15 is externally fitted to the nozzle cylinder 5 from above, and the upper end surface of the long cylindrical piece 12a is locked from above at the peripheral edge of the top wall 4 extending in the shape of the outer casing. Thus, coupled with the fact that the long cylindrical piece 12a is elastically fitted to the side peripheral wall 6, the nozzle cover body 11 can be securely attached to the nozzle head body 2 without rattling.
In this mounted state, the tip of the cover portion 15 protrudes slightly forward of the nozzle cylinder 5.

  Next, as shown in FIG. 1B, the nozzle head 1 described above is the main body of the pump P in which the lower end portion of the head portion 3 is assembled and fixed to the mouth tube portion of the container body 21 by the cap body 22. An outer fitting assembly is densely and immovably attached to the upper end portion of the stem 23 which is a part of the portion, and is used as a member of the dispensing container.

  FIG. 2 shows a state in which the nozzle cover body 11 is slid forward from the attached state of FIG. 1 as indicated by the white arrow in FIG. 2B, and the rear of the constricted portion 13 of the long cylindrical piece 12a. In this state, the tip portion of the cover portion 15 protrudes considerably forward from the nozzle cylinder 5.

  In this way, by utilizing the stable slide displacement state at the two locations shown in FIGS. 1 and 2, at the stage of distribution, storage, and sale of the dispensing container product incorporating the nozzle head 1, FIG. As the displacement state shown in FIG. 1, the position where the front end of the cover portion 15 does not protrude from the front end surface of the container body 21 (see FIG. 1A) can prevent the cover portion 15 from getting in the way, When the product is used, the displacement state shown in FIG. 2 can be set so that the tip of the cover portion 15 is sufficiently protruded.

  Then, the nozzle head 1 is pushed down and the stem 23 from the state shown in FIG. 2B is moved downward to displace the content liquid that has risen in the pump P to the outside through the head portion 3 and the nozzle cylinder 5. Although the tip of the cover portion 15 sufficiently protrudes from the tip of the nozzle cylinder 5, the discharge direction of the discharged liquid can be sufficiently regulated in a certain direction by the protrusion, and the tip of the nozzle cylinder 5 is dispensed. Even if there is an adhering substance of the content liquid remaining on the part, it is possible to effectively suppress problems such as the discharge direction of the poured liquid being diffused or the liquid being dispensed in an unintended direction. it can.

  In addition, by using the stable slide displacement state at two locations in the same manner as described above, the degree of regulation related to the discharge direction of the dispensed liquid can be changed by changing the protruding amount of the tip of the cover portion 15 according to the use situation. It can also be adjusted.

  Here, the slide displacement of the nozzle cover body 11 can be easily and smoothly achieved while the constricted portion 13 is elastically enlarged and deformed.

As mentioned above, although embodiment of this invention was described along the Example, the effect of this invention is not limited to these Examples.
For example, in the above-described embodiment, the nozzle cover body 11 can be slidably displaced as the long cylindrical piece 12 a having the constricted portion 13 in the fitting portion 12, but the configuration in which the slide displacement is performed is not essential depending on the purpose of use .
Also, according to the channel-like cover portion of the shape intended use, for example, the opening angle of the pair of side walls 15s equal to open downward, can be employed in a variety of aspects.

  In the nozzle head of the present invention, a nozzle cover body is simply mounted on the nozzle head body, and even when the content liquid adheres to the tip of the nozzle cylinder by this nozzle cover body, the discharge direction of the content liquid is kept within a certain range. It can be suppressed, and a wide range of applications can be expected in combination with a pump.

(A) of one Example of the nozzle head of this invention is a top view, (b) is a side view shown partially cut away. FIG. 2A is a plan view showing a state in which a nozzle cover body is slid forward in the nozzle head of FIG. 1, and FIG. It is a perspective view of the nozzle cover body in FIG. 1, (a) is a standard state, (b) shows the state which expanded and deformed the fitting part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Nozzle head 2; Nozzle head main body 3; Head part 4; Top wall 5; Nozzle pipe | tube 6; Side peripheral wall 11; Nozzle cover body 12: Fitting part 12a; Cover portion 15t; top portion 15s (of cover portion); side wall 21 (of cover portion); container body 22; cap body 23; stem P;

Claims (5)

A synthetic resin nozzle head for a manual push-out pouring pump that is assembled and fixed to the mouth tube portion of the container body,
Poured into the nozzle head main body (2) provided with a nozzle cylinder (5) extending forward on the side peripheral wall (6) of the head-shaped cylindrical head part (3) with the top wall (4) as a pressing surface. It is configured to be equipped with a nozzle cover body (11) that regulates the liquid discharge direction to a certain direction,
The nozzle cover body (11) has a fitting portion (12) that fits outside the head portion (3),
The fitting portion (12) is formed into a cylindrical shape that can be elastically expanded and deformed, and the top wall (4) of the head portion (3) is arranged so that the peripheral portion of the top wall (4) is the side circumferential wall (6). It is configured to extend from the upper peripheral end in the shape of an outer casing, and the fitting portion (12) is expanded in diameter and passes from above to the top wall (4) and from the side peripheral wall (6) of the head portion (3). )
A channel-shaped cover portion (15) having an inverted U-shaped cross-sectional shape that is externally fitted to the nozzle tube (5) from above along the nozzle tube (5) from the front end of the fitting portion (12). A nozzle head for a manual push-out pump, in which the tip of the cover (15) protrudes from the tip of the nozzle cylinder (5). A configuration in which the nozzle cover body (11) is mounted on the nozzle head body (2) so that the amount of protrusion of the nozzle cover body (11) from the tip of the nozzle cylinder (5) can be adjusted, and the nozzle cover body (11) can be slid in the front-rear direction The manual depressing pump nozzle head according to claim 1 . The fitting portion (12) of the nozzle cover body (11) is a long cylindrical piece (12a) with the long axis directed in the front-rear direction, and the long cylindrical piece (12a) is a side peripheral wall of the head portion (3) ( The nozzle head for a manual push-down pump according to claim 2 , wherein the nozzle cover body (11) is externally fitted to the nozzle head body (2) so as to be slidably displaceable in the front-rear direction. The fitting portion (12) of the nozzle cover body (11) is a long cylindrical piece (12a) having a long axis in the front-rear direction and a constricted portion (13) in the front-rear central portion, and the constricted portion (13) The nozzle cover body (11) is formed in a shape that can be elastically expanded and deformed, and the long cylindrical piece (12a) is fitted on the side peripheral wall (6) of the head portion (3). front and rear portions of the slide displaceably configured with claims 2 manually pushed down the nozzle head pump according to be attached to the nozzle head body (2) between two positions of the constricted portion of (12a) (13). The nozzle head for a manual push-down pump according to claim 1, 2, 3, or 4, wherein the nozzle cover body (11) is made of a soft material.

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