JP2006327612A - Spout cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a spout cap which avoids uncertain attachment due to an interference with a nozzle to make the depression of a head impossible without fail. <P>SOLUTION: The spout 9 is formed by engaging a cap 6 holding a pump with a container 1 and fitting the head 8 with the forward projecting nozzle 7 to the front end of a jet pipe 5, which projects to be capable of moving up and down. The spout cap 10 includes a head cover 15 which has a square upper face 11 that is as wide as the diameter of a semicircular portion 11a corresponding to the head 8 and that extends to the front end of the nozzle 7 and a peripheral face 12 that covers the periphery of the head 8 except its front part, and an engaging back face 19 which extends down consecutively from the peripheral face 12 and is shaped in correspondence to the back face of the jet pipe 5 to engage removably with the peripheral face of the jet pipe 5. The height of the engaging back face 19 is equivalent to the distance between the head back face 8a and the cap upper face 6a. The level of the upper face 11 is so determined that the engaging back face 19 faces the head upper face 8b across a thin gap when engaged with the peripheral face of the jet pipe 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a spout configured by engaging a cap holding a pump with a neck portion of a container and attaching a head with a nozzle protruding forward to a tip portion of a jet pipe protruding so as to be able to move up and down from the cap. The present invention relates to a spout cap that is detachably mounted so as to disable a head pressing operation.

As a spout cap for preventing unintentional ejection of this type of content liquid, according to Patent Document 1, a front surface portion for engagement having a semicircular cross section corresponding to the front surface portion of the head peripheral surface is provided, and the upper surface of the head is disposed on the upper portion. And a cover part that forms a nozzle insertion part that protrudes further forward and inserts the nozzle, and is further cut between the upper end and the cover part so that the front part for engagement can be easily opened. A spout cap with a recess is well known. Thus, when the nozzle is inserted into the nozzle insertion portion from the front and the lower end is placed on the cap upper surface and the front surface for engagement is attached to the head peripheral surface, the head upper surface is covered with the cover portion, and the head is pushed down. Becomes impossible.
JP-A-10-263443

  However, in order to insert the nozzle that protrudes forward with the top surface of the head covered with the cover part, especially when the protruding amount is large or bent downward, it becomes easy to interfere during insertion, Therefore, there is a possibility that the clothes or bag may become dirty due to erroneous ejection of the liquid contents when it is carried in an incompletely worn state.

  In view of these points, the present invention provides a spout cap of the kind described at the beginning that can avoid uncertain mounting due to interference with a nozzle and reliably disable a head pressing operation. Objective.

  In order to achieve this object, according to the present invention, a cap (6) holding a pump is engaged with a neck (1a) of a container (1), and an ejection pipe (5) protruding from the cap so as to be able to move up and down is provided. In a spout cap that is detachably attached to a spout configured by attaching a head (8) with a nozzle (7) protruding forward at the tip, so that the pressing operation of the head (8) is disabled. The semicircular portion (11a) corresponding to the head (8) having an outer diameter smaller than the outer diameter of the cap (6) and larger than the outer diameter of the ejection pipe (5) according to claim 1, and at least the diameter width thereof A head cover portion having a top surface portion (11) formed of a rectangular portion extending to the tip of the nozzle and a peripheral surface portion (12) formed around the periphery of the head (8) and the nozzle (7) except for the front portion thereof. (15) and continuous downward from the peripheral surface (11) And an engaging back surface portion (19) having a shape corresponding to the back surface portion so as to be detachably engaged with the peripheral surface of the ejection pipe, and the height width of the engaging back surface portion is the back surface of the head ( 8a) and the upper surface of the cap (6a) are set to correspond to the distance between them, and the height position of the upper surface (11) is in the engaged state of the engagement back surface (19) with the jet pipe peripheral surface. It is characterized in that it is set so as to place a slit with respect to the upper surface (8b) of the head.

  Alternatively, according to claim 2, the periphery of the head (8) having an outer diameter smaller than the outer diameter of the cap (6) and larger than the outer diameter of the ejection pipe (5) is covered, and the nozzle (7) is provided. A cylindrical part (21) provided with an opening (24) passing in the vertical direction at the front part, and an upper surface part thereof and an upper surface part formed in an area narrower than the cylindrical part (21) and extending to at least the tip of the nozzle (22) and a head cover portion (25) having a nozzle cover portion (23) formed on the periphery thereof and covering the periphery of the nozzle (7), and a lower end of the inner peripheral surface of the cylinder portion on the cap upper surface (6a) An engaging portion (28) for detachably engaging the region is formed, and the height position of the upper surface portion (22) is in the engaged state with the engaging portion (28) in the lower end region, and the upper surface (8b) of the head. Is set to place a slit against.

  Alternatively, according to claim 3, the outer surface (6b) of the cap (6) having an outer diameter larger than the outer diameter of the head (8) is detachably engaged, and the nozzle (7) is passed vertically. A cylindrical portion (31) provided with an opening (32) in the front portion, an upper end region thereof, and an upper surface portion (33) formed in a region narrower than the cylindrical portion (31) and extending at least to the tip of the nozzle; And a head cover part (35) having a nozzle cover that is formed at the periphery and covers the periphery of the nozzle (7), and the height of the cylinder part (31) is such that the cylinder part is formed on the outer peripheral surface of the cap (6b). In an engaged state, the upper surface portion (33) is set so as to place a slit with respect to the head upper surface (8b).

  Alternatively, according to claim 4, the front surface for engagement has a shape corresponding to the front surface portion so as to be detachably engaged with the peripheral surface of the jet pipe (5) having an outer diameter smaller than the outer diameter of the head (8). The front surface portion of the semicircular section corresponding to the front surface portion of the head portion (41) and the engaging front surface and corresponding to the front surface portion of the head peripheral surface (8c); A head cover part (45) having a nozzle cover part (43) that covers at least the nozzle tip (7) and the lower part and the periphery of the nozzle (7) in an open state. The width is set to correspond to the distance between the head back surface (8a) and the cap top surface (6a).

  Alternatively, according to claim 5, the head has a shape corresponding to the front surface thereof so as to be detachably engaged with the peripheral surface of the head (8), and the height width is the head upper surface (8b) and the cap upper surface (6a). ) And a nozzle cover portion covering the periphery of the nozzle (7) by extending from the upper end portion to the head (8) and extending to at least the tip of the nozzle. And a head cover portion (55) having (53), and the nozzle (7) is inserted into the nozzle cover portion (53) at a midway position in the height direction of the inner peripheral surface of the front surface portion for engagement (51). In a state where the front surface for engagement (51) is engaged with the head peripheral surface (8c), stoppers (58, 59) projecting toward the back surface (8a) of the head are provided.

  According to the first aspect of the present invention, the spout cap is attached to the spout from the rear side of the nozzle, so that the nozzle is smoothly and surely attached even when the nozzle is long or bent downward. Liquid leakage due to erroneous mounting due to the interference is reliably avoided. It is also possible to hold the container with the left hand so that the nozzle is directed to the left and attach the spout cap from behind with the right hand. According to the invention of claim 2 or claim 3, the spout cap is smoothly mounted on the spout from above regardless of the shape of the nozzle, so that erroneous mounting is reliably avoided, and the spout cap is mounted with the right hand. It will also be possible. According to the invention of claim 4 or 5, even when the spout cap is attached from the nozzle side, the upper part is opened, so that the interference is avoided and the erroneous attachment is reliably avoided.

A spout cap for a spout having a head with a nozzle projecting forward at the tip of a jet pipe of a pump according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 to FIG. 3 show a first embodiment. A cap for holding a cylinder 3 of a pump is attached to a neck portion 1a of a container 1 filled with a liquid content such as cosmetics and medicinal liquids. A head 8 with a nozzle 7 projecting forward is attached to the tip of a piston-type jet pipe 5 projecting from the cap so as to be able to move up and down, thereby constituting a spout 9. Thus, according to a known operation principle, the head 8 is pushed down to push the jet pipe 5 to increase the internal pressure of the cylinder 3 so that the liquid content is jetted from the nozzle 7 through the dip tube 2 and the push-down operation is released. At this time, the liquid is sucked up by automatically pushing up by a spring bias to make the internal pressure of the cylinder 3 negative.

  The spout cap 10 is continuous downward through a head cover 15 that covers the top and the periphery of the head 8 and the nozzle 7 that extends slightly downward, and a step 14 that reduces the outer diameter on the peripheral surface thereof. And an engagement back surface portion 19 having a semicircular cross section corresponding to the shape so as to be detachably engaged with the back surface portion of the peripheral surface of the ejection pipe 5, and is manufactured as a molded product made of synthetic resin. ing.

  The head cover portion 15 has a semicircular portion 11a corresponding to the head upper surface 8b of the head 8 having an outer diameter smaller than the outer diameter of the cap 6 and larger than the outer diameter of the ejection pipe 5, and the tip of the nozzle 7 with its diameter width. The upper surface portion 11 formed by the rectangular portion 11b extending to the periphery, and the peripheral surface portion 12 that covers the periphery of the head 8 and the nozzle 7 and is formed on the periphery of the front portion so as to form the opening portion 11c. And a transverse semicircular circumferential surface portion 13 that continuously extends downward from the surface portion and covers a lower region of a back surface portion of the head circumferential surface. The height width of the engagement back surface portion 19 is set so as to correspond to the separation distance between the head back surface 8a and the cap upper surface 6a, and the cross section thereof is slightly more circular than the semicircular cross section of the peripheral surface of the ejection pipe 5 Enlarged corners to ensure engagement. The height position of the upper surface portion 11 is set so as to place a slit with respect to the upper surface 8b of the head when the rear surface portion 19 for engagement is engaged with the ejection pipe 5.

  When the container 1 is not used, the spout cap 10 is pushed in from the back of the head 8 in the direction in which the nozzle 7 extends, and the engagement back surface portion 19 is expanded and engaged with the back surface portion of the ejection pipe 5 by elasticity. 7 and 8 and the head 8 are covered with the head cover portion 15 with the front and lower sides open, and the upper surface portion 11 of the spout cap 10 that cannot be raised and lowered covers the upper surface of the head upper surface 8b. Lowering operation becomes impossible. In addition, while making the shape of the back surface part 19 for engagement just a semicircular cross section, it is also possible to engage the concave part or convex part formed in the edge part with the convex part or concave part formed in the surrounding surface of the ejection pipe 5. It is done.

  FIG. 4 shows a spout cap according to the second embodiment, which covers the periphery of the head 8 of the spout 9 described above and has a cylindrical portion provided at the front with an opening 24 through which the nozzle 7 passes vertically. 21, a head cover having an upper surface portion 22 that is narrower than the cylindrical portion 21 from its upper end region and extends to the tip of the nozzle, and a nozzle cover portion 23 that is formed at the periphery of the nozzle upper region of the upper surface portion and covers the periphery of the nozzle Part 25. The height width of the cylindrical portion 21 is set so that the upper surface portion 22 places a slit with respect to the upper surface of the head 8 in a state of being placed on the cap upper surface 6 a. The cap upper surface 6a surrounds the jet pipe 5 so as to frictionally engage the lower end region of the inner peripheral surface of the cylindrical portion 21 whose inner diameter is set to be slightly larger than the outer diameter of the head 8, and the ring is formed on the outer peripheral surface. An engaging portion 28 provided with a convex portion 28a is projected. The height of the cylindrical portion 21, that is, the height position of the upper surface portion 22 is set so as to place a slit with respect to the head upper surface 8b in the engaged state with the engaging portion 28. In addition, in the lower end area | region of the internal peripheral surface of the cylinder part 21, the recessed part corresponding to the ring-shaped convex part 28a can be formed, or it can also be considered as another engagement structure.

  When the spout cap 20 is mounted, the opening 24 is inserted from above so as to pass through the nozzle 7, and the lower end of the cylindrical portion 21 is brought into contact with the cap upper surface 6a to engage with the engaging portion 28. In this mounted state, the head cover portion 25 surrounds the head 8 together with the nozzle 7 in the upper part and the periphery, and the pressing operation becomes impossible.

  FIG. 5 shows a spout cap according to a third embodiment. The spout cap according to the third embodiment is detachably frictionally engaged with the outer peripheral surface 6b of the cap 6 having an outer diameter larger than the outer diameter of the head 8, and the nozzle 7 is attached. A cylindrical portion 31 having an opening 32 that passes in the vertical direction at the front portion, an upper end region thereof, and an upper surface portion 33 that narrows in correspondence with the lateral width of the nozzle 7 at the front portion and extends to the nozzle tip, and the nozzle A head cover portion 35 having a nozzle cover portion 34 formed at the periphery of the upper region and covering the periphery of the nozzle 7 in a lower open state, and the height width of the cylinder portion 31 is set on the cap upper surface 6a. In this state, the upper surface portion 33 is set to have a slit with respect to the head upper surface 8b.

  When the spout cap 30 is mounted, if the opening 32 is inserted from above so as to pass through the nozzle 7 and its lower end is brought into contact with the cap upper surface 6a, the lower region of the cylindrical portion 31 is detachable from the outer peripheral surface 6b of the cap 6. Frictionally engages. In this mounted state, the head 8 is covered with the nozzle 7 in the upper part and the periphery, and the pressing operation cannot be performed.

  FIG. 6 shows a spout cap according to the fourth embodiment, and a cross-sectional half corresponding to the front surface portion of the spout cap 5 so as to engage with the peripheral surface of the ejection pipe 5 having an outer diameter smaller than the outer diameter of the head 8. A front surface portion 41 having a semicircular cross-section corresponding to the front surface portion of the head peripheral surface 8c, which is continuous through a circular front surface portion 41 for engagement and a step portion 44 having a larger outer diameter. A head cover portion 45 having a nozzle cover portion 43 that covers the lower portion and the periphery of the nozzle 7 in an open state upward from the front end upper portion and narrower than the head 8 to the tip of the nozzle. The height of the front surface 41 for engagement is set so as to correspond to the separation distance between the head back surface 8a and the cap upper surface 6a, and the front surface 41 for engagement is slightly smaller than the semicircular cross section of the head 8. It is formed in a cross section of a large arc, and once expanded by elasticity, it is securely engaged.

  When the spout cap 40 is attached, the nozzle 7 is inserted into the nozzle cover portion 43 while confirming from above, and the front surface portion 41 for engagement is engaged with the front surface portion of the ejection pipe 5. As a result, the front portion excluding the cap 6 of the spout 9 is covered including the periphery of the nozzle 7, and the engaging front portion 41 of the corresponding dimension is interposed between the head rear surface 8 a and the cap upper surface 6 a, Even if the upper side of the head 8 is opened, the pressing operation is restrained.

  7 and 8 show a spout cap according to a fifth embodiment. An engaging front surface portion 51 having a shape corresponding to the front surface portion so as to be detachably engaged with the head peripheral surface 8c and having a height width corresponding to a distance between the head upper surface 8b and the cap upper surface 6a; A head cover portion 55 having a nozzle cover portion 53 that covers at least four sides of the nozzle 7 by being narrower than the head 8 and extending to at least the tip of the nozzle from the upper end portion, and the inner periphery of the front surface portion 51 for engagement. At both positions in the height direction of the surface, both side and intermediate stoppers 58 and 59 extending toward the head back surface 8a are projected. The front surface 51 for engagement has a substantially semicircular cross section, but is formed in a slightly larger arc cross section than the semicircular cross section of the head 8, and is elastically expanded to reliably engage. . Moreover, the upper end of the front surface part 51 for engagement is opened. The stoppers 58 and 59 are set at a height position close to the head back surface 8a in a state where the nozzle 7 is inserted into the nozzle cover portion 53 and the front surface 51 for engagement is engaged with the head peripheral surface 8c. Strut portions 58a and 59a formed integrally on the inner peripheral surface of the combined front portion 51 are provided below.

  When the spout cap 50 is mounted, the nozzle 7 is inserted into the nozzle cover portion 53 while confirming the positional relationship with the nozzle 7 from above, and the front surface portion of the head 8 is seated on the cap upper surface 6a. Engage with. As a result, the front surface portion of the spout 9 excluding the cap 6 is covered including the periphery of the nozzle 7, and the stoppers 58 and 59 occupy the close position of the head back surface 8a, so that the top of the head 8 is opened. However, the pressing operation is restricted.

It is a perspective view of the spout cap by the 1st Embodiment of this invention. It is a perspective view which shows the mounting state of the spout cap. It is the side view made into the partial cross section of the spout with which the spout cap is mounted | worn. The spout cap by the 2nd Embodiment of this invention is shown, The figure A is the perspective view, The figure B is the perspective view of the mounting state. It is a perspective view of the spout cap by the 3rd Embodiment of this invention. The spout cap by the 4th Embodiment of this invention is shown, The figure A is the perspective view, The figure B is the perspective view which shows the mounting state. The spout cap by the 5th Embodiment of this invention is shown, The same figure A is the perspective view, The same figure B is the top view, The same figure C is the partial perspective view in the inside. It is a side view of the mounting state of the spout cap by FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container 1a Neck part 3 Pump cylinder 5 Pump ejection pipe 6 Cap 6a Cap upper surface 7 Nozzle 8 Head 8b Head upper surface 10, 20, 30, 40, 50 Spout cap 11, 22, 33 Upper surface part 11a Semicircular part 11b Square shape Part 11c, 24, 32 Opening part 12, 13 Peripheral surface part 15, 25, 35, 45, 55 Head cover part 19 Back part for engagement 21, 31 Tube part 23, 43, 53 Nozzle cover part 28 Engagement part 41, 51 Front panel 58, 59 Stopper

Claims (5)

A cap that holds the pump is engaged with the neck of the container, and the head is pushed down to a spout configured by attaching a head with a nozzle that protrudes forward to the tip of the ejection pipe that protrudes up and down from the cap. In a spout cap that is detachably attached so as to disable operation,
A semi-circular portion corresponding to a head having an outer diameter smaller than the outer diameter of the cap and larger than the outer diameter of the ejection pipe, and an upper surface portion formed by a square portion extending to at least the nozzle tip with a diameter width thereof, and its front portion A head cover portion having a peripheral surface portion that is formed on a peripheral edge that covers the periphery of the head and the nozzle, and is continuous downward from the peripheral surface portion and is detachably engaged with the peripheral surface of the ejection pipe. A back surface portion for engagement corresponding to the back surface portion, and a height width of the back surface portion for engagement is set so as to correspond to a separation distance between the back surface of the head and the top surface of the cap. The spout characterized in that the height position of the upper surface portion is set so as to place a slit with respect to the upper surface of the head in the engaged state of the back surface portion for engagement with the peripheral surface of the ejection pipe. Cap. A cap that holds the pump is engaged with the neck of the container, and the head is pushed down to a spout configured by attaching a head with a nozzle that protrudes forward to the tip of the ejection pipe that protrudes up and down from the cap. In a spout cap that is detachably attached so as to disable operation,
A cylinder part that covers the periphery of the head having an outer diameter smaller than the outer diameter of the cap and larger than the outer diameter of the ejection pipe, and has an opening at the front for allowing the nozzle to pass vertically, and its upper end An upper surface portion formed in a region and a region that is narrower than the cylindrical portion and extends to at least the tip of the nozzle, and a head cover portion that is formed on the periphery thereof and has a nozzle cover portion that covers the periphery of the nozzle, and An engaging portion for detachably engaging the lower end region of the inner peripheral surface of the cylindrical portion is formed on the upper surface of the cap, and the height position of the upper surface portion is in an engaged state of the lower end region with the engaging portion. A spout cap, which is set so as to place a slit with respect to the upper surface of the head. A cap that holds the pump is engaged with the neck of the container, and the head is pushed down to a spout configured by attaching a head with a nozzle that protrudes forward to the tip of the ejection pipe that protrudes up and down from the cap. In a spout cap that is detachably attached so as to disable operation,
A cylindrical portion that is detachably engaged with the outer peripheral surface of a cap having an outer diameter larger than the outer diameter of the head and that has an opening at the front for allowing the nozzle to pass in the vertical direction, and its upper end region and the cylindrical portion An upper surface portion formed in a region that is narrow and extends at least to the tip of the nozzle, and a head cover portion that has a nozzle cover that is formed on the periphery thereof and covers the periphery of the nozzle, and the height width of the cylinder portion is A spout cap, wherein the upper surface portion is set to have a slit with respect to the upper surface of the head in a state where the cylindrical portion is engaged with the outer peripheral surface of the cap. A cap that holds the pump is engaged with the neck of the container, and the head is pushed down to a spout configured by attaching a head with a nozzle that protrudes forward to the tip of the ejection pipe that protrudes up and down from the cap. In a spout cap that is detachably attached so as to disable operation,
A front surface for engagement having a shape corresponding to the front surface portion so as to be detachably engaged with the peripheral surface of the ejection pipe having an outer diameter smaller than the outer diameter of the head; A front surface portion having a semicircular cross section corresponding to the front surface portion of the peripheral surface of the head and a lower portion and a periphery of the nozzle are opened in an open state by extending from the upper portion of the front end thereof to the nozzle tip by being narrower than the head. And a head cover portion having a nozzle cover portion, and a height width of the front surface portion for engagement is set so as to correspond to a distance between the back surface of the head and the upper surface of the cap. . A cap that holds the pump is engaged with the neck of the container, and the head is pushed down to a spout configured by attaching a head with a nozzle that protrudes forward to the tip of the ejection pipe that protrudes up and down from the cap. In a spout cap that is detachably attached so as to disable operation,
A front face for engagement having a shape corresponding to the front face portion so as to be detachably engaged with the peripheral surface of the head, and a height width corresponding to a separation distance between the upper face of the head and the upper face of the cap; A head cover portion having a nozzle cover portion that covers the periphery of the nozzle by being narrower than the head from the upper end portion and extending to at least the tip of the nozzle, and the height direction of the inner peripheral surface of the front surface portion for engagement A stopper extending toward the back surface of the head is projected in a state where the nozzle is inserted into the nozzle cover portion and the front surface portion for engagement is engaged with the peripheral surface of the head. Spout cap.

Images