JP5085495B2 - Stopper for container pump - Google Patents

Description

  The present invention has a conduit that passes through a mounting cylinder that is fixed to the container mouth and is connected to a pump that is disposed below the mounting cylinder, and moves the pressing head attached to the tip of the conduit up and down. The present invention relates to a stopper for a container pump that is used in a container pump that causes a pump action and is interposed between a pressing head and a mounting cylinder to prevent the pressing head from being pressed down.

As a stopper to prevent malfunction of the pressure head of the container pump, there is a stopper in which a part of the cylindrical body is opened along the axial direction. Can be attached and detached (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 63-33646

  However, since the conventional stopper is partially opened, for example, when the entire container is wrapped with a shrink film, when the pressing head is pushed down due to the contraction, the conduit tilts along the open portion. There was a problem that.

  The present invention has been made on the basis of such fact recognition, and an object of the present invention is to provide a novel stopper for a container pump that can be easily mounted and can effectively prevent the inclination of the conduit. There is to do.

The stopper of the present invention has a conduit that passes through a fixed cylinder fixed to the container mouth and is connected to a pump disposed below the fixed cylinder, and moves the pressing head attached to the tip of the conduit up and down. A stopper for a container pump that is used for a container pump that causes a pump action to be interposed between the pressing head and the mounting cylinder and prevents the pressing head from being depressed;
The stopper has a storage body in which one door is connected via a hinge, and when the door is closed, the side end of the door is joined to the side end of the storage body to form a cylinder,
On the hinge side of the door, when interposing between the pressing head and the mounting cylinder, provided with an action piece that causes the door closing operation by contacting the conduit, the pressing head or the mounting cylinder,
A locking projection for locking an action piece provided on the door is provided on the hinge side of the storage body.

  As means for locking the action piece and the locking protrusion, for example, undercut fitting (fitting involving catching by a step) can be cited. The locking between the action piece and the locking protrusion can be made detachable. Regarding the attachment / detachment, the amount of hooking between the action piece and the locking protrusion is taken into consideration in consideration of the demand layer and application. Adjust it. Moreover, as a site | part which mounts a stopper, a conduit | pipe, a press head, or a mounting cylinder (including the mounting part provided in either of these) is mentioned.

  Further, the hinge side of the storage main body may be provided with a notch for extending the inner peripheral surface of the storage main body along the circumferential direction and storing the action piece of the door when the door is closed. it can. In this case, the locking protrusion can be formed together with the notch.

  Furthermore, in the present invention, the hinge connecting the door and the storage body can be made ruptureable by making it thinner than the door or the storage body. Further, when the knob is provided on the outer surface of the storage main body, the knob can be arranged at various positions with respect to the storage main body, but the position of the knob when the hinge can be broken is, for example, a door and A position shifted in the circumferential direction from a position facing the mating surface with the storage body across the axis is mentioned.

  When the stopper of the present invention is pushed between the pressing head and the mounting cylinder from the inside of the storage body with the door opened, the action piece provided on the hinge side of the door comes into contact with the conduit, the pressing head or the mounting cylinder. Thus, the door closing operation is caused so that the side end of the door is aligned with the side end of the storage body to form a cylinder. As a result, the stopper of the present invention is configured so that the conduit is not tilted only by being pushed into the space between the pressing head and the mounting cylinder while the door is open, so that the side edge of the door and the side edge of the storage body are It can be surrounded with and together.

  In addition, the stopper of the present invention is locked by a locking protrusion provided on the storage body when the door is closed. For this reason, in the stopper of the present invention, the door does not open from the storage body after being interposed between the pressing head and the mounting cylinder.

  Therefore, according to the present invention, it is possible to provide a stopper for a container pump that is easy to mount and can effectively suppress the inclination of the conduit.

  In particular, on the hinge side of the storage main body, if the inner peripheral surface of the storage main body extends along the circumferential direction and a notch is provided to store the action piece of the door when the door is closed, The action piece of the door can be stored in the cutout portion of the storage body.

  In the stopper of the present invention, when the door is closed, the side edge of the door and the side edge of the storage body are joined together, so that the stopper can be regarded as a cylindrical rigid body. If it is comprised so that fracture | rupture is possible, when the external force beyond a fixed level is applied to a hinge by raising or pulling down a storage main body, the said hinge can be fractured.

  That is, if the hinge connecting the door and the storage body can be broken, when the storage body is pulled outward, the hinge is broken, so by removing the door from the slit formed in the storage body, The stopper according to the present invention can be easily removed as it is from between the pressing head and the mounting cylinder.

  In particular, if a knob is provided on the outer surface of the storage body, and this knob is arranged at a position shifted in the circumferential direction from a position facing the mating surface of the door and the storage body with the axis line therebetween, the knob The stopper can be removed efficiently.

  FIGS. 1A and 1B are a plan view and a side view, respectively, showing a stopper 1 according to one embodiment of the present invention mounted on a container pump 10. FIG. 2 is a perspective view showing the stopper 1. Further, FIGS. 3A and 3B are plan views schematically showing the mounting process of the stopper 1, respectively.

  As shown in FIG. 1, the container pump 10 includes a ring cap (mounting cylinder) 11 that is screwed into the container mouth portion, and a pump P that passes through the ring cap 11 and is disposed below the ring cap 11. And a pressing head 13 attached to the tip of the conduit 12. The press head 13 has a nozzle 13a, and causes the pump action by moving the press head 13 up and down.

The stopper 1 is an integrally molded product made of a synthetic resin that prevents the pressing head 13 from being pushed down by contacting the lower end of the pressing head 13 and the upper end of the mounting cylinder 11 respectively. As shown in FIG. 2 and the like, the stopper 1 has a storage body 1c in which one door 1a is integrally connected via a hinge 1b. When the door 1a is closed, as shown in FIG. A side end (hereinafter referred to as “mating surface side end”) e ₁ located on the mating surface side of the door 1a is a side end (hereinafter referred to as “mating surface side end”) located on the mating surface side of the storage main end 1c. ) By fitting to e ₃ , a cylinder surrounding the axis O ₁ is obtained. Hereinafter, the symbol O ₂ is the axis of the container pump 10 (conduit 12).

Door 1a, as shown in FIG. 3 (b), the side end of the hinge side (hereinafter, "hinge side end" hereinafter) to e _2, when receiving the conduit 12 to the inside of the housing body 1c, the conduit 12 An action piece 1d is provided for bringing the door 1a into close contact with the door 1a.

In contrast, storage body 1c, as shown in FIG. 3 (b) or the like, the side end of the hinge side (hereinafter, referred to as "hinge side end") to the e _4, the inner peripheral surface fc of the housing body 1c A notch S that extends along the circumferential direction (around the axis O) and accommodates the action piece 1d when the door 1a is closed is provided.

The notch S is formed so as to form a locking projection 1e that detachably locks the action piece 1d provided on the door 1a. In this embodiment, operating member 1d is a plate shape protruding from the hinge side end e _2, locking stepped portion 1f is formed at its tip.

  Thereby, in this embodiment, when the door 1a is closed, as shown in FIG. 3 (b), the clearance step 1f of the action piece 1d is formed between the locking projection 1e and the inner peripheral surface fc. The door 1a can be detachably fixed to the storage body 1c by undercut fitting to C (fitting with a catch due to a step).

Incidentally, the inner circumferential surface fa of the door 1a, as shown in FIG. 3 (a), when the door 1a is fixed to the housing body 1c, with the inner peripheral surface fc of the housing body 1c, perfect circle surrounding the axis O ₁ It has a shape. Further, in this embodiment, a plurality of vertical ribs 1r for fitting the conduit 12 when the conduit 12 is stored are integrally formed on the inner peripheral surface fc of the storage body 1c. For this reason, the conduit 12 is fixedly held by the vertical rib 1r when the door 1a is closed. In this embodiment, the conduit 12 is fixedly held by the vertical rib 1r, but the vertical rib 1r may be omitted and fixed by the inner peripheral surface fa of the door 1a and the inner peripheral surface fc of the storage body 1c itself. Further, the locking protrusion 1e may be provided directly on the inner peripheral surface fc of the storage body 1c regardless of the presence or absence of the notch S. .

Reference numeral 1g denotes a knob provided on the outer surface of the storage body 1c. As shown in FIG. 2 and the like, the knob 1g includes a knob base 1g ₍₁₎ provided integrally with the storage main body 1c, and a knob main body 1g ₍₂₎ extending left and right from the tip of the knob base 1g _(1). Consists of. Knob portion 1g is can be placed in various positions relative to the storage body 1c, in this embodiment, as shown in FIG. 4 (a), face each other across the axis O ₁ relative to the mating surface of the two doors 1a position It exists in the position shifted in the circumferential direction.

  Next, the function of the stopper 1 will be described with reference to the drawings.

When shipping as a product to which the container pump 10 is attached, as shown in FIG. 2, when the door 1a is opened and pushed into the conduit 12 from the inside of the storage body 1c, the action piece 1d of the door 1a is shown in FIG. as shown in a), by contacting the conduit 12, as mating side end of the door 1a e ₁ approaches the mating surface side end of the housing body 1c, pull the door 1a to the inside. That is, the action piece 1d of the door 1a is brought into contact with the conduit 12 to cause the closing operation of the door 1a.

  Then, when further pushed into the conduit 12, the locking step 1e of the action piece 1d gets over the locking projection 1f provided in the notch S and is locked in the gap C, so that the action piece 1d is As shown in the enlarged view of FIG.

As a result, the stopper 1 simply pushes into the conduit 12 with the door 1a opened, and the conduit 12 is aligned with the two doors so that the conduit 12 does not tilt as shown in FIG. 3 (b). It can be surrounded with the surface side end e ₁ in close contact.

  In addition, since both doors 1a are locked to the storage body 1c, after being attached to the conduit 12, unless a certain amount of external force (external force that can release the locked state) is applied, the door 1a shown in FIG. Is maintained, and the inside of the storage body 1c is not opened.

  Therefore, according to the present embodiment, it is possible to provide a stopper of the container pump 10 that is easy to mount and can effectively suppress the inclination of the conduit 12.

  Moreover, when removing the stopper 1, it operates as follows.

In this embodiment, since the mutual with mating side end e ₁ of the door 1a and the mating surface side end e ₃ of the housing body 1c is mating, the stopper 1 is shaped regarded as cylindrical rigid body, The hinge 1b is configured to be breakable by making it thinner than the door 1a and the storage body 1c.

  In this case, the user or the like holds the knob 1g with the stopper 1 attached, and pulls the storage body 1c outward, for example, as shown by the arrow in FIG. When a certain external force is applied to the hinge 1b, the hinge 1b can be broken.

  That is, if the hinge 1b that connects the door 1a and the storage main body 1c can be broken, when the storage main body 1c is pulled outward, the hinge 1b is broken, so that the storage main body 1c is formed by removing the door 1a. By pulling out from the slit, the stopper 1 can be easily removed from between the pressing head 13 and the ring cap 11 as it is.

In particular, as in the present embodiment, the knob portion 1g, as shown in FIG. 4 (a), shifted from the position facing each other across the axis O ₁ relative to the mating surface of the door 1a and the storage body 1c in the circumferential direction If it arrange | positions in a position, the stopper 1 can be removed efficiently. In addition, according to this invention, even after removing the door 1a, the storage main body 1c can be used again as a conventional C-shaped stopper.

  The above description shows only one embodiment of the present invention, and various modifications can be made within the scope of the claims. For example, when a plurality of ribs 1r are provided on the inner peripheral surface fc of the storage main body 1c as in this embodiment, the notch S can be omitted if the locking projections 1e are provided together with the ribs 1r. In this embodiment, for example, the action piece 1d is operated by the conduit 12 by attaching the stopper 1 to the conduit 12. However, according to the present invention, the conduit 12, the mounting cylinder 11 or the pressing head 13 (any of these) The action piece 1d may be operated with any of these by contacting with the contact portion (including the mounting portion provided at the top).

(a), (b) is the top view and side view which respectively show the stopper which is one form of this invention with the container pump. It is a perspective view which shows the stopper of the same form. (a), (b) is a top view which shows typically the attachment process of the stopper of the same form, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Stopper 1a Door 1b Hinge 1c Storage main body 1d Action piece 1e Locking protrusion 1f Locking step part 1g Knob part 10 Container pump 11 Mounted cylinder 12 Conduit 13 Press head C Locking step part fitting gap S Notch part e ₁ Matching surface side (door) side end e ₂ Hinge side (door) side end e ₃ Matching surface side (container body) side end e ₄ Hinge side (storage body) side end

Claims (4)

It has a conduit that penetrates the mounting cylinder fixed to the container mouth and leads to the pump arranged on the lower side of the mounting cylinder. A stopper for a container pump, which is used for a container pump to be interposed between the pressing head and the mounting cylinder and prevents the pressing head from being depressed;
The stopper has a storage body in which one door is connected via a hinge, and when the door is closed, the side end of the door is joined to the side end of the storage body to form a cylinder,
On the hinge side of the door, when interposing between the pressing head and the mounting cylinder, provided with an action piece that causes the door closing operation by contacting the conduit, the pressing head or the mounting cylinder,
A stopper for a container pump, comprising a locking projection for locking an action piece provided on a door on a hinge side of the storage body.   In Claim 1, the notch part which extends the inner peripheral surface of the said storage main body along the circumferential direction on the hinge side of the said storage main body, and accommodates the action piece of the said door when a door is closed is provided. A stopper for a container pump.   3. A stopper for a container pump according to claim 1, wherein the hinge is made ruptureable.   In claim 2, a knob is provided on the outer surface of the storage body, and the knob is disposed at a position shifted in the circumferential direction from a position opposed to the mating surface of the door and the storage body with the axis therebetween. A stopper for a container pump.

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