JP5051433B2 - Manual push pump nozzle head - Google Patents

Description

  The present invention relates to a nozzle head used by being fitted to an upper end portion of a manual push-down pump that is assembled to a mouth portion of a container and exhibits a function of pouring out a content liquid.

For example, Patent Document 1 describes an invention relating to a nozzle head that is assembled at the mouth of a container and used in close contact with the upper end of a manual push-down pump that dispenses the liquid contained in the container. Has been.
Japanese Patent Laid-Open No. 10-296140

  In the nozzle head as described above, the tip of the nozzle from which the content liquid is discharged is open to the outside air, and depending on the type of the content liquid, the problem of dripping from the nozzle tip, change in the quality of the content liquid, deterioration, Alternatively, there is a problem that the liquid content is solidified and the nozzle is clogged, and a method of sealing the tip of the nozzle with a lid or the like is employed.

  On the other hand, the dispensing container using such a manual push-down pump has an important feature that the liquid can be dispensed by pushing the pump down while holding the container body with one hand. However, when it is necessary to remove the lid attached to the nozzle tip in order to open the nozzle tip, this convenience is impaired.

  The technical problem of the present invention is to create a nozzle head that can open and close the tip of the nozzle in conjunction with a push-down operation for releasing the content liquid and the release of the push-down operation with a simple and compact configuration. It is an object of the present invention to provide a dispensing container with a manual push-down pump that eliminates the risk of dripping, change in quality, and solidification without impairing the external shape and operability.

Among the means for solving the problems of the present invention, the means of the invention described in claim 1 is:
In a nozzle head having a nozzle head body fitted to the upper end of a manual push-down pump assembled to the mouth of the container, and an operating body mounted on the top wall of the nozzle head body,
The operating body shall have a configuration in which a leaf spring piece bent in a convex shape is extended forward from the rear end portion as the base end, and a seal lid piece for sealing the nozzle tip is suspended at the front end. ,
Protruding a projecting piece on the front half of the top wall of the nozzle head body,
The operation member, to secure the rear end to the top wall rear portion, contacts the protrusion at the front, the plate spring piece which is bent in a convex upward in the longitudinal middle dogleg shape of the fixed portion and the contact portion Mounting on the top wall so that the top of the
By pushing down the leaf spring piece, the front end portion of the operating body is displaced upward with the protruding piece as a fulcrum, and the nozzle tip is opened by releasing the sealing state by the sealing lid piece,
It is in.

  As shown in FIG. 1, the front and rear relationships in the present application are the front side of the nozzle 6 as front F and the reverse side as rear B.

With the above structure of claim 1, wherein the operation member, to secure the rear end to the top wall rear portion abutting said protrusion at the front, middle dogleg shape before and after the fixed part and the contact portion In the state mounted and assembled on the top wall so that the top of the leaf spring piece bent upwards
When the push-down operation with the fingertip to the leaf spring piece is started, the front part of the moving body rotates around the fulcrum, the front end part is displaced upward, and the seal by the seal lid piece is released. The nozzle tip is in the open state.

At this time, the plate spring piece, the shape bent in a convex upward change to a flat shape dogleg shape, since the companion no plate spring piece in this variation acting elastic restoring force, pressing operation This is carried out against the upward biasing force by this restoring force.

  Then, with the portion behind the top of this leaf spring piece in contact with the top wall of the nozzle head, this time, when continuing the pressing operation against the upward biasing force of the spring disposed in the pump, By pushing down the pump stem through the nozzle head body, the liquid content can be sucked up and dispensed from the tip of the nozzle.

As described above, the nozzle tip can be opened and the content liquid can be dispensed by a series of pressing operations on the leaf spring pieces.
In order to enable such a series of operations, the upward biasing force by the leaf spring piece described above is set smaller than the upward biasing force by the spring provided in the pump.

  When the dispensing of the content liquid is finished, when the fingertip is released, the pump stem rises to its original position by the upward biasing force of the spring, and the operating body is returned to its original position by the elastic restoring force of the leaf spring piece. The nozzle tip is closed by the seal lid piece.

Here, the operation body according to claim 1 has a simple structure as a whole, and can be formed into a structure that can be integrally formed by injection molding, and can be easily mounted on the top wall of the nozzle head body. In a compact configuration, the tip of the nozzle can be opened and closed in conjunction with the pressing operation for dispensing the content liquid and the cancellation of the pressing operation without impairing the appearance and operability.
In addition, since the operating body according to claim 1 has a simple and compact configuration as described above, it is not necessary to make the shape of the nozzle head main body special, and only by attaching a protruding piece as a fulcrum. It can also be easily applied to a shaped nozzle head body.

And, by making the leaf spring piece into a shape that is bent upward in a U shape, the shape of the U shape becomes wider or narrower with the pressing operation and release thereof. Thus, the elastic deformation and recovery deformation can be achieved smoothly, and smooth operability can be obtained.

According to a second aspect of the present invention, in the first aspect of the invention, a shaft piece is attached to the rear end of the operating body in the left-right direction, and a bearing portion is provided in the rear end of the top wall of the nozzle head body in the left-right direction. In addition, the shaft piece is fitted into the bearing portion, and the rear end portion of the operating body is fixed to the rear end portion of the top wall so as to be rotatable around the shaft piece.

Smooth the above configuration according to claim 2, by pivotally secured to Jikuhen around the rear end portion of the top wall of the rear end portion of the operation member, it can deform the leaf spring piece smoothly, the pressing operation Can be achieved.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the seal cylinder piece made of a soft material is fitted into the tip of the nozzle, and the seal lid piece is the seal cylinder piece when the nozzle tip is closed. It is to make it the structure closely_contact | adhered to the front end surface.

According to the above-described configuration of the third aspect , the sealing of the nozzle tip can be achieved more reliably by using the sealing cylinder piece made of a soft material.

Since the present invention has the above-described configuration, the following effects can be obtained.
In the first aspect of the present invention, the operating body has a simple structure as a whole and can be integrally formed by injection molding, and can be easily mounted on the top wall of the nozzle head body. Yes, with a simple and compact configuration, the tip of the nozzle can be opened and closed in conjunction with the push-down operation for dispensing the content liquid and the release of the push-down operation without impairing the external shape and operability.

And , by making the leaf spring piece into a shape that is bent upward in a U shape, the shape of the U shape becomes wider or narrower with the pressing operation and release thereof. Thus, the elastic deformation and recovery deformation can be achieved smoothly, and smooth operability can be obtained.

In the invention according to claim 2 , by fixing the rear end of the operating body to the rear end of the top wall so as to be rotatable around the shaft piece, the leaf spring piece can be smoothly deformed, and the operation is further improved. Can be achieved smoothly.

In the invention according to the third aspect , the seal at the tip of the nozzle can be achieved more reliably by using a seal cylinder piece made of a soft material.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described along examples with reference to the drawings.
FIGS. 1 to 3 show an embodiment of the nozzle head of the present invention. FIG. FIG. 2 is a side view illustrating a state in which the body 24 is assembled and fixed to the mouth tube portion of the body 24, and FIG. 2 is a plan view of the nozzle head 1 of FIG. FIG. 3 is a vertical side view of the upper end portion of the nozzle head 1 shown in FIG.

  The nozzle head 1 of the present embodiment is of a type in which the content liquid is poured into a foamed state by stirring with air using a mesh-like foamed body 8 disposed in the nozzle 6. Hereinafter, it may be abbreviated as a main body.) 2 and an operating body 11 mounted on the top wall 3 of the main body 2.

  The main body 2 has a double cylinder shape with a top, and an outer cylinder 5 and an inner cylinder 4 are suspended from the top wall 3, and the inner cylinder 4 is closely fitted on the upper end portion of the stem 21 a of the pump 21. Further, the nozzle 6 is formed in a posture protruding forward, and the content liquid flows through the flow path formed inside the nozzle 6 and is poured out from the tip in a state of being foamed by the foamed body 8. To do.

  Further, a projecting piece 7 is formed in a ridge shape on the front half portion of the top wall 3 of the main body 2, and this projecting piece 7 exhibits a function as a fulcrum of the operating body 11. Further, a step portion 3s is formed on the top wall at the base end portion of the projecting piece 7 so as to widen the vertical operating range of the leaf spring piece 12 described later. A bearing portion 9 is attached to the rear end portion in a semicylindrical shape.

  The operating body 11 has a U-shaped leaf spring piece 12, a thin cylindrical shaft piece 14 is attached to the rear end, and a seal lid piece 13 for sealing the tip of the nozzle 6 is suspended at the front end. is there. Further, a non-slip knurl is formed on the upper surface of the rear portion of the top portion 12t of the leaf spring piece 12.

The operating body 11 is mounted on the top wall 3 of the nozzle head main body 2 with the shaft piece 14 at the rear end portion fitted to the bearing portion 9 and the lower surface of the front half portion in contact with the projecting piece 7 as a fulcrum. The shaft piece 14 is fixed so as to be rotatable. (See Figure 1)
In this state, the top portion 12t of the leaf spring piece 12 is located at the front and rear center of the contact position with the protruding piece 7 and the fixed position of the shaft piece 14.

The operation mode of the nozzle head 1 in which the operating body 11 is mounted and fixed on the head body 2 as described above will be described below.
When the operation of pushing down the rear part of the top 12t of the leaf spring piece 12 diagonally downward (see the white arrow in FIG. 3 (a)) is started by the fingertip for pouring the content liquid, The shape expands to change to a flat shape, and the projecting piece 7 serves as a fulcrum. The front part of the operating body 11 rotates around the fulcrum, the front end is displaced upward, and the seal lid piece is suspended from the front end surface. 13 is eliminated, and the tip of the nozzle 6 is opened.
Here, the contact point of the leaf spring piece 12 with the projecting piece 7 is slid to the rear of the leaf spring piece 12 and the shaft piece 14 is rotatable so that the shape of the dogleg shape is widened. The elastic deformation of the spring piece 12 is achieved smoothly.
Further, an upward biasing force by an elastic restoring force acts on the fingertip from the leaf spring piece 12.

  Then, with the rear part of the leaf spring piece 12 in contact with the top wall 3 (see FIG. 3 (b)), this time, it is pushed down against the upward biasing force of the spring disposed in the pump 21. When the operation is continued (see the white arrow in FIG. 3B), the stem 21a of the pump 21 is pushed down through the main body 2 to suck up the content liquid and pour it out from the tip of the nozzle 6.

  Further, when the dispensing of the content liquid is finished, if the fingertip is released and the pressing operation to the leaf spring piece 12 is canceled, the stem 21a of the pump 21 is raised to the original position by the upward biasing force by the spring. At the same time, the operating body 11 returns to the original position by the elastic restoring force of the leaf spring piece 12, and the tip of the nozzle 6 is closed by the seal lid piece 13.

  FIG. 4 is one of the variations of the first embodiment described above. The seal cylinder piece 6s made of a soft material such as a synthetic resin elastomer having a flange 6sf attached to the tip, and the flange 6sf is the tip face of the nozzle 6. The nozzle 6 is configured to be fitted into the tip of the nozzle 6 while being in close contact with the nozzle 6.

  With such a configuration, when the tip of the nozzle 6 is closed, the seal lid piece 13 comes into close contact with the tip surface of the seal cylinder piece 6s made of the soft material, and the seal at the tip of the nozzle 6 is more reliably achieved. can do.

As mentioned above, although embodiment of this invention was described along the Example, the aspect of this invention is not limited to these Examples.
For example, it can also be in the form of various variations about Bruno Zuruheddo body 2, if necessary, can also be a nozzle 6 portion with another member.

  As described above, the nozzle head of the present invention has a simple and compact configuration, and is linked to the push-down operation for dispensing the content liquid and the release of the push-down operation without impairing the external shape and operability. It can open and close the tip of the nozzle and is expected to be used in a wide range of applications in combination with a manual pump.

It is a side view which shows partially the state which assembled and fixed the nozzle head of one Example of this invention to the mouth tube part of the housing with the pump. It is a top view of the nozzle head of FIG. (A) is a vertical side view of the upper end portion showing a state in which the plate spring piece is pushed down to open the nozzle tip in the nozzle head of FIG. 1, and (b) shows a state in which the plate spring piece is further pushed down. . In the nozzle head of FIG. 1, it is the vertical side view of the upper end part which shows the state which inserted the sealing cylinder piece at the nozzle front-end | tip.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Nozzle head 2; (Nozzle head) main body 3; Top wall 3s; Step part 4; Inner cylinder 5; Outer cylinder 6; Nozzle 6s; Seal cylinder piece 6sf;
9; bearing portion 8; foamed body 11; action body 12; leaf spring piece 12t; top 13; seal lid piece 14; shaft piece 21; pump 21a; rear

Claims (3)

Nozzle head main body (2) fitted to the upper end of a manual depression pump (21) assembled to the mouth of the container, and an operating body mounted on the top wall (3) of the nozzle head main body (2) ( 11)
The operating body (11) has a leaf spring piece (12) bent in a convex shape upward in the shape of a dogleg extending forward from the rear end as a base end, and the tip of the nozzle (6) is sealed at the front end. It is configured to hang the seal lid piece (13),
Protruding pieces (7) projecting from the front half of the top wall (3) of the nozzle head body (2),
The operating body (11) has a rear end fixed to the rear end of the top wall (3), abutted against the projecting piece (7) in front, and the front and rear intermediate portions of the fixed portion and the abutting portion. It is configured to be mounted and assembled on the top wall (3) so that the top part (12t) of the leaf spring piece (12) bent upwardly in a letter shape is located,
By pushing down the leaf spring piece (12), the front end of the operating body (11) is displaced upward with the protruding piece (7) as a fulcrum, and the seal by the seal lid piece (13) is released to release the nozzle. (6) Nozzle head configured to open the tip. A shaft piece (14) is attached to the rear end of the operating body (11) in the left-right direction, and a bearing portion (9) is attached to the rear end of the top wall (3) of the nozzle head body (2) in the left-right direction. The shaft piece (14) is fitted to the bearing portion (9), and the rear end portion of the operating body (11) can be rotated around the shaft piece (14) to the rear end portion of the top wall (3). fixed claim 1 nozzle head according to. A seal cylinder piece (6s) made of a soft material is inserted into the tip of the nozzle (6), and the seal lid piece (13) is placed on the tip surface of the seal cylinder piece (6s) when the tip of the nozzle (6) is closed. The nozzle head according to claim 1 , wherein the nozzle head is in close contact with the nozzle head.

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