JP2003292004A - Injection cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an injection cap wherein a lid body can not be released unless a certain release operation is performed and the lid body is spaced out from a cap body by a one-touch operation with one operation of the release operation, thus the release operation of the lid body can be performed with only one hand. <P>SOLUTION: A top plate 4 of a fitting section 2 which securely fits the opening section of a bottle container and forms a spout section 7, a drooped cylindrical piece 10 provided with an outer brim 9 and an engagement protrusion 26, a flange 11 and a skirt cylinder 12 are continuously disposed, a resilient piece 14 having a locking piece 15 is provided at the continuously disposed section by a cut-out 13 to constitute a cap body 1, a locking hole 23 where the piece 15 is inwardly locked on a peripheral wall 20 of the lid body 19 connected with a hinge and an upthrust piece 28 having a tapered face 28a inwardly and downwardly slanted where the piece 14 which locks the piece 15 is elastically deformed inwardly to slide and contact the hole 23 are provided at a rear end of the cap body 1, and the piece 15 and the hole 23 are unlocked and the lid body 19 is pressed up to achieve almost half released condition by pressing a resilient piece 13. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pouring cap which is assembled to the mouth of a bottle container having a squeeze property and has a jet port for jetting a content liquid such as a drug solution contained in the bottle container. .

[0002]

2. Description of the Related Art Opening and closing, which is tightly assembled to the mouth of a squeezable synthetic resin bottle container and uses the squeeze deformation of the bottle container to spray the content liquid such as a chemical liquid in a mist or liquid state. A synthetic resin spout cap having a bottle is known.

The conventional pouring cap is closely assembled to the mouth of a bottle container and has a cap body provided with a jet port at the top for ejecting the content liquid in a mist or liquid state, and the rear end of the cap body. Is hinged so that it can be opened and closed, and in a closed position,
It is composed of a lid that seals the ejection port and lightly locks to the cap body, and with the lid open and rotated from the closed position,
By pressing the body of the bottle container, the content liquid can be directly applied to the affected area from the ejection port.

Such a pouring cap is extremely easy to open, and the lid is often opened improperly, causing stains around the ejection port, illegal leakage of the content liquid, and deterioration of the quality of the content liquid. However, there is a problem that the infant can easily open the lid, which is low in safety. Therefore, a pouring cap has been developed which has a structure that cannot be achieved without a certain opening operation, prevents the lid from being illegally opened, and has improved safety.

As shown in FIG. 10 as a prior art which exhibits a reliable closed posture maintaining function, a pouring cap 1 is shown in FIG. Two
And a hanging tubular piece 10 in the form of a short tube is hung from the extending end of the outer collar 9 extending from the peripheral edge of the top plate 4.
A skirt cylinder 12 is hung from the lower end of 0 through an outer flange-shaped outer flange 11 and cut on at least one side of the combination of the outer rim 9, the hanging cylinder piece 10, the outer flange 11 and the skirt cylinder 12. The notch 13 is provided to form the projecting piece 14 in a standing shape, and the cap body 1 is provided with the engaging piece 15 projecting from the upper end of the outer surface of the projecting piece 14, and the hinge portion is provided at the rear end of the cap body 1. The locking piece 15 of the cap body 1 is fitted from the inside to the side portion of the peripheral wall 20 that is hinged so as to be opened and closed by 25 and is fitted to the hanging cylinder piece 10 of the cap body 1. The lid 19 is provided with a hole 23 (see FIG. 10) to prevent the lid from being illegally opened.

That is, the bullet piece 1 provided on the cap body 1
4, it is possible to displace the upper end portion provided with the locking piece 15 backward by the width of the notch 13 in the outer collar 9,
When the lid 19 is in the closed posture, the peripheral wall 20 of the lid 19 is fitted onto the hanging cylinder piece 10 of the cap body 1 and the peripheral wall 2
The locking piece 1 of the bullet piece 14 of the cap body 1 into the locking hole 23 of 0
5 is fitted from the inside and firmly locked, so
The lid 19 cannot be opened unless elastically deformed inward to release the engagement of the engagement piece 15 with respect to the engagement hole 23, whereby the closed state of the lid 19 is stably maintained. The achievement is maintained and the delusional opening of the lid 19 is strongly prevented.

The above-mentioned pouring cap is completely different from the opening and rotating operation of the lid body, and is achieved by the pressing operation on the bullet piece having a different operation mode, so that the deliberate opening is effectively prevented, It has a high degree of safety because it achieves a reliable closed posture retention.

[0008]

However, the pouring cap used in the bottle container for pouring out the liquid medicine, which is the content liquid, requires a certain opening operation so that the infant cannot easily open the lid. Prevents unauthorized opening of the lid plate if necessary, and when one hand is injured, the other hand that is not injured can be used to operate the bottle container and apply the drug solution to the affected area, easy with one hand There was also a demand for opening operability that allows the lid to be opened.

Therefore, the present invention has been made in view of the various circumstances described above, and the opening of the lid body can be achieved only through a certain opening operation for the cap body. With the operation of, the lock of the cap body and the lid body is released, the lid body is almost half-opened in a one-touch type, and the technical task is to enable the opening operation of the lid body with only one hand. The object is to prevent the unauthorized opening of the body and improve the operability of the opening operation of the cap body.

[0010]

[Means for Solving the Problems] Of the present invention for solving the above technical problems, the means for carrying out the invention according to claim 1 is one in which a mouth portion of a bottle container is closely assembled and a jet port is formed on a top plate. A short cylinder-shaped hanging cylinder piece with a locking projection on the outer peripheral surface of the front end is hung from the extended end of the outer collar that extends from the peripheral edge of the top plate. The skirt cylinder is hung from the lower end of the hanging cylinder piece through the outer flange-shaped outer flange, and on both sides of the combination of the outer flange, the hanging cylinder piece, the outer flange, and the skirt cylinder.
Opening and closing can be performed by a cap main body with a notch provided to form an upright remaining bullet piece, and a locking piece protruding from the upper end of the outer surface of the bullet piece, and a hinge portion at the rear end of the cap body. Provided on the inner peripheral surface of the front end portion of the peripheral wall, which is hinge-coupled and hangs down from the outer peripheral end of the top wall, and which is externally fitted to the hanging cylinder piece of the cap body, the engaging ridge that engages with the locking ridge of the cap body, On both sides of the peripheral wall, there is a locking hole into which the locking piece of the cap body's bullet piece fits, and on the lower surface of the top wall, the bullet piece with the locking piece locked inward There is a lid body provided with a push-up piece that is elastically deformed and slidably contacts and that has a tapered surface that is inclined inwardly facing the locking hole, and that is a synthetic resin pouring cap.

According to the first aspect of the present invention, the elastic piece provided on the cap body elastically deforms the upper end portion provided with the locking piece inward by the width of the notch in the outer collar. It can be displaced backwards.

In the closed state of the lid body, the peripheral wall of the lid body is externally fitted to the hanging cylinder piece of the cap body, and the locking piece of the bullet piece of the cap body is fitted from the inside into the locking hole of the peripheral wall to be firm. It has been locked to.

Since the projecting piece and the locking hole maintain the closed posture of the lid body with respect to the cap body on both sides of the cap body and the lid body, the cap body is pressed by pinching the cap body from both sides. That is, even if it is simple, a specific operation is not performed so that the closed posture of the lid is not released, so that the lid is not opened unintentionally.

When the cap body is pinched from both sides with fingertips and pressed, the locking hole of the cap body and the locking piece of the bullet piece are released from each other, and the bullet piece elastically deformed inward by being pushed is released. Abutting on the taper surface of the push-up piece, and with the pressing operation of the bullet piece, the bullet piece slides in contact with the taper surface inclined inward, and pushes the lid body upward together with the push-up piece along the taper surface, Release the engagement between the locking ridge of the cap body and the engaging ridge of the lid, which are engaged at the position facing the hinge portion,
The peripheral wall of the lid is separated from the hanging cylinder piece of the cap body. Even if the pressing force of the bullet is released and the bullet returns to its original posture, the locking piece of the cap body and the locking hole of the lid do not lock, and the locking of the cap body The ridges and the engaging ridges of the lid body are not engaged with each other, and the lid body is maintained in a substantially semi-open posture.

In this way, the cap body is pinched from both sides with fingertips, and the one-touch operation of pressing the bullet inward,
When the lid body is released from holding the closed posture, the lid body is pushed up to maintain the lid body in a semi-open position, so the cap body can be easily opened with other fingertips while holding the cap body with your fingertips. The ejection port can be exposed by moving, and it becomes possible to easily open the lid with one hand.

According to a second aspect of the present invention, in addition to the structure of the first aspect of the invention, a substantially hemispherical jet head piece having a jet port is provided at the front end portion of the top plate, and on the back surface of the top plate. A sealing cylinder tightly attached to the inner circumference of the mouth of the bottle container and a fitting cylinder on the outer circumference of the sealing cylinder are provided, and the fitting is performed on the front side of the outer collar close to the ejection head piece. A through hole that penetrates vertically is opened on the outside of the cylinder.

According to the second aspect of the invention, the through hole of the cap body is provided outside the fitting cylinder on the front side of the outer collar close to the ejection head piece forming the ejection port for the chemical liquid. Therefore, the lower opening of the through hole is open to the inside of the skirt cylinder that is open to the atmosphere, and therefore an infant, for example, opens the mouth near the spout of the cap body in the open state. Even if it is attached and sucked, only the outside air is sucked into the mouth of the infant through the through hole, and the content liquid is not sucked out from the spout.

According to a third aspect of the present invention, in addition to the structure of the first or second aspect of the present invention, the upper end surface of the locking piece is a guide slant surface which is inclined downward toward the outside. .

According to the third aspect of the invention, since the guide slope of the locking piece is inclined downward downward, if the lid is rotated in the closing direction and pushed down forcibly as it is, the lid is pushed down. The lower edge of the peripheral wall of the shell abuts the guide slope to apply an inward pressing force to the upper end of the shell, which elastically displaces the shell inward and the peripheral wall of the lid body Since the locking piece is passed over and the locking hole is locked by the locking piece, the closing operation of the lid body can be performed only by rotating and pushing down the lid body.

According to a fourth aspect of the present invention, there is provided the first aspect of the present invention.
In the structure of the invention described in 2 or 3, at both inner surface end portions of the bullet,
A pair of reinforcing ribs are provided up to the lower end of the skirt cylinder.

According to the fourth aspect of the present invention, a pair of reinforcing ribs extending to the lower end of the skirt cylinder provided at both ends of the inner surface of the bullet piece mechanically deforms the bullet piece elastically by pressing the fingertip. Improve strength.

According to a fifth aspect of the present invention, there is provided the first and second aspects.
In addition to the constitution of the invention described in 2, 3 or 4, a cap piece for sealing the jet outlet of the cap body is provided on the lower surface of the top wall of the lid body.

According to the invention of claim 5, when the cover plate is in the closed state, the plug piece seals the jet port of the cap body,
Prevent unauthorized outflow of chemicals.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. Assembly part 2 of cap body 1
(See FIG. 4, FIG. 5, FIG. 6 and FIG. 7) is a cylindrical fitting tube 3 that is fitted under the mouth of a bottle container and firmly undercuts, and an upper end of the fitting tube 3. A top plate 4 that is continuously provided to form a top-end cylindrical body, and hangs down from the lower surface of the top plate 4,
A seal cylinder 5 tightly fitted into the mouth of the bottle container, and a seal cylinder 5
Of the top plate 4, which is the inner side of the top plate 4, is formed in a substantially hemispherical shape at the front end of the top plate 4, and has a jet head 6 having a jet port 7 that is in communication with the jet passage 8 formed inside and opens obliquely forward. In order to achieve a close assembly with respect to the mouth of the bottle container, a vertically elongated ridge that is in contact with the outer peripheral surface of the mouth of the bottle container is fitted into the cylinder 3
It is provided on the inner peripheral surface of.

The outer collar 9 (see FIGS. 1, 4, 5, 6, 8 and 9) extends from the top plate 4 with its rear edge being horizontal except for the rear side of the top plate 4. Since it is installed, the short cylindrical hanging tube piece 10 is hung from the extended end of the outer collar 9.
(See FIG. 1, FIG. 6, FIG. 8 and FIG. 9) is integrated with the fitting tube 3, and the cap body 1 as a whole is long in the left-right direction with the ejection port 7 as the center. It has an elliptical shape with the axis positioned. On the outer peripheral surface of the front end portion of the hanging tube piece 10, a locking projection 26 that maintains the closed state of the lid body 19 is provided at a position facing the hinge portion 25 that connects the lid body 19.

The through holes 18 (see FIGS. 1, 4, 5, and 8) provided in the outer collar 9 are provided in a pair on the left and right in the vicinity of the ejection head piece 6, and below the through holes 18. Since the opening is located outside the fitting tube 3, it is open to the inside of the skirt tube 12 which is open to the atmosphere, and when the infant puts his mouth on the ejection head piece 6 and sucks it. , At least one through-hole 1
8 must be able to communicate with the infant's mouth,
Even if the infant tries to suck the liquid medicine in the bottle container, only the outside air is sucked into the mouth of the infant through the through hole 18, and the liquid medicine cannot be sucked out from the spout 7. There is. The through holes 18 are not limited to a pair of left and right sides, that is, two holes are provided.
Only one 8 may be provided, or a plurality may be provided in parallel.

An outer flange 11 is provided continuously from the lower end of the hanging tube piece 10 in the shape of an outer collar (see FIGS. 1, 4, 8, and 9).
Constitutes an abutting bullet portion with which the lower end edge of the peripheral wall 20 of the lid body 19 in the closed state abuts, and the width thereof is the peripheral wall 20 of the lid body 19.
Is almost equal to the wall thickness.

A skirt cylinder 12 (see FIGS. 1, 2, 3, 6, 7, 8 and 9) which is hung continuously from the outer peripheral end of the outer flange 11 has a lower end edge fitted into the skirt cylinder 12. The cap body 1 has a height sufficient to form the projecting piece 14 and a height suitable for pressing the projecting piece 14 with a fingertip so as to extend below the lower end edge of the cap body 1. It is the main part.

The pair of bullet pieces 14 (see FIGS. 1, 4, 5 and 7) are connected at their upper ends with an outer collar 9, and the hanging collar piece 10, the outer flange 11 and the skirt piece 12 are connected from the outer collar 9. Formed by a pair of notches 13 extending in parallel to the lower part of
Locking piece 15 whose upper surface is a guide slope 16 with the lower end portion of the skirt tube piece 12 integrated with the cap body 1 as a fulcrum
The upper end provided with is elastically deformable inward.

The lateral displacement range of the locking piece 15 at the upper end of the bullet piece 14 is set by the width of the notch 13 formed in the outer collar 9. The width of the notch 13 portion formed in the outer collar 9 needs to be at least a value larger than the protruding width of the locking piece 15.

Both ends of the inner surface of the bullet piece 14 are formed on the skirt cylinder 12.
Pair of vertical ribs 14a extending to the lower end of the
(See FIGS. 5, 6 and 7) is provided to improve the mechanical strength of the elastic piece 14 elastically deformed by pressing with a fingertip.

It should be noted that the outer surface of the bullet piece 14 may be provided with an uneven slip stopper for facilitating the pressing operation of the bullet piece 14 with a fingertip.

On the other hand, the lid body 19 is in the shape of a capped short cylinder in which a top wall 21 is connected to the upper end of a peripheral wall 20 of a short cylinder having the same plane shape as the skirt cylinder 12, and the lower surface of the top wall 21. A short tubular plug piece 22 (see FIG. 1, FIG. 4, FIG. 6 and FIG. 7) that tightly fits the ejection head piece 6 to the outside and achieves indirect sealing of the ejection port 7 is hung down. The locking hole 23 (FIG. 1, FIG. 2, FIG. 3, FIG. 4) which is a rectangular through hole into which the locking pieces 15 of the bullet pieces 14 are fitted on both sides (left and right sides) of the peripheral wall 20. 7) is formed, and an engaging protrusion 27 that engages with a locking protrusion 26 provided on the outer peripheral surface of the front end portion of the hanging cylinder piece 10 of the cap body 1 is formed on the inner peripheral surface of the front end portion of the peripheral wall 20. I have set up.

The peripheral wall 20 of the lid 19 has a wall thickness substantially equal to the width of the flange 11 of the cap body 1, and the lower portion thereof is fitted onto the hanging cylinder piece 10. A finger hook 24 having a stepped structure is provided on the outer peripheral surface of the front end portion of the peripheral wall 20.

Further, in the lid body 19, the bullet piece 14 which engages the engaging piece 15 in the engaging hole 23 is elastically deformed inward on the lower surface of the top wall 21 so as to face the engaging hole 23. A push-up piece 28 (see FIGS. 1 and 4) that has a tapered surface 28a that is slidably contacted and is inclined inward.
And FIG. 7).

The cap body 1 and the lid body 19 are integrally hinge-joined by a hinge portion 25. The hinge portion 25 is located at the central hinge main body and on the left and right sides of the hinge main body.
It is composed of a pair of wavy curved elastic parts (see FIGS. 1, 3, 4, 5, 6 and 9) and self-holds the open position (see FIG. 1) by the elasticity of the elastic parts. Has become.

When the lid 19 is closed, the lid 1 is moved from the open posture (see FIG. 1) to the closed posture (see FIGS. 2 and 3).
9, the lower end edge of the peripheral wall 20 abuts the guide slope 16 to apply a pressing force directed inward to the upper end of the bullet piece 14, and the bullet piece 14 is elastically displaced inward. Then, the peripheral wall 20 gets over the locking piece 15 of the bullet piece 14, and the locking piece 15
Is locked in the locking hole 23 of the lid body 19 and faces the hinge portion 25 provided at the rear end of the cap body 2, and the locking projection 26 is provided on the outer peripheral surface of the front end of the hanging cylinder piece 10. Then, the engaging portion 27 provided on the inner peripheral surface of the front end portion of the peripheral wall 20 of the lid body 19 is lightly undercut-joined, and the closed posture state of the lid body 19 is maintained.

To open the lid body 19, the cap body 2 is pinched from both sides with fingertips, and the bullet piece 14 is pressed.
By the pressing operation that elastically deforms the bullet piece 14 inward, the locking piece 15 is released from the locking hole 23, the maintenance of the closed posture state is released, and the bullet piece 14 elastically displaced by being pressed is pushed up. The taper surface 28a of the cap body 2 is slidably contacted with the taper surface 28a of the cap body 2 so as to push the push-up piece 28 upward.
The peripheral wall 20 is hung down to such an extent that the engagement of the engagement portion 27 of 9 with the engagement portion 27 is released and the elastic force of the elastic portion of the hinge portion 25 acts.
It is separated from 0, and the substantially half-open posture of the lid 19 is maintained (see FIGS. 8 and 9).

The lid 19 is operated by pressing the bullet pieces 14 from both sides of the cap body 1, and the peripheral wall 2 of the lid 19 is moved.
Since 0 is maintained in a substantially semi-open position in which the cap body 2 is separated from the hanging cylinder piece 10, the cap body 2 is easily picked up with the other fingertip while the cap body 2 is being picked up with a fingertip. The opening rotation operation of 19 can be performed, and the ejection port 7 can be exposed with only one hand.

[0040]

Since the present invention has the above-mentioned structure, it has the following effects. According to the first aspect of the invention, the cap body is engaged with the engagement piece and the engagement hole of the lid body by the pressing operation of the bullet piece, which is completely different from the opening rotation operation of the lid body. Since the locking between the locking ridge and the engagement ridge of the lid is released, it is possible to effectively prevent the lid from being unintentionally opened, and thus to obtain a high degree of certainty in maintaining the closed posture. it can.

Then, in a single operation of pushing the bullet piece, the bullet piece slides on the taper surface of the push-up piece and pushes up the lid body, and in order to maintain the lid body in a substantially semi-open position, the cap body is opened. While holding it with your fingertip, you can easily open and close the lid to expose the spout with another fingertip, and you can easily achieve the opening operation of the lid with only one hand. improves.

By pressing both sides of the cap body,
At the moment when the bullet that slidably contacts the taper surface of the push-up piece comes off the taper surface, the impact and impact sound associated with the elastic return motion of the bullet is clearly audible and tactile. Can be sensed.

Further, when the lid body is in the closed posture, the engagement between the engagement piece of the cap body and the engagement hole of the lid body, and the engagement between the engagement ridge of the cap body and the engagement ridge of the lid body. As a result, the closed state of the lid is strongly maintained, so the lid does not indiscriminately open, which allows the bottle container to be stably sealed and shuts off the outside air around the ejection port. It is possible to ensure that there is no inconvenience such as dust adhering to the periphery of the ejection port when the content liquid illegally flows out and pollutes the surroundings, or when the content liquid deteriorates due to evaporation. Can be prevented.

Since the bullet piece provided with the locking piece is integrally molded by the notch, the molding of the entire pouring cap can be completed by one molding operation. By providing the bullet piece and the locking hole provided with, it is possible to achieve simple molding of the dispensing cap without complicating the molding operation.

In the invention according to claim 2, by any chance,
Even if an infant mischiefs the open container and puts his mouth near the spout head piece and sucks it, the outside air is only sucked into the mouth of the infant through the through hole, so the liquid content is discharged from the spout. Is safe because it is not sucked up.

According to the third aspect of the invention, the engagement between the engagement piece and the engagement hole and the engagement between the engagement ridge and the engagement ridge are performed by a simple pushing operation with respect to the lid. Achievement and simplification of the lid closing operation, and at the moment when the locking piece is locked in the locking hole, the impact and impact sound due to the elastic return motion of the bullet piece is clear. The achievement of sealing can be clearly sensed as.

According to the fourth aspect of the present invention, the pair of reinforcing ribs provided at both ends of the inner surface of the bullet piece requires a certain pressing force for the pushing operation of the bullet piece, so that the cover body is unnecessarily opened. In addition to preventing, the mechanical strength of the most frequently operated bullets is improved to prevent the destruction of bullets and maintain operability with good handleability.

According to the fifth aspect of the present invention, when the lid plate is closed, the plug piece provided on the lower surface of the top wall of the lid plate closes the ejection port of the cap body to prevent the illegal outflow of the chemical liquid. To prevent stains around the ejection port.

[Brief description of drawings]

FIG. 1 is an overall perspective view in an open state showing an embodiment of the present invention.

FIG. 2 is an overall perspective view of the embodiment shown in FIG. 1 as seen from a diagonally front side in a closed state.

FIG. 3 is an overall perspective view of the embodiment shown in FIG. 1 seen from a diagonally rear side in a closed state.

FIG. 4 is an overall plan view of the embodiment shown in FIG. 1 in an open state.

5 is an overall bottom view of the embodiment shown in FIG. 1 in an open state.

6 is an overall vertical side view of the embodiment shown in FIG. 1 in a closed state.

7 is a front view of the embodiment shown in FIG. 1 in a closed state in a semi-longitudinal section.

8 is an overall perspective view of the embodiment shown in FIG. 1 in a substantially semi-open state.

9 is a side view of the embodiment shown in FIG. 1 in a substantially semi-open state.

FIG. 10 is an overall perspective view of a conventional cap in an open state.

[Explanation of symbols]

1; Cap body 2; Assembly section 3; Fitting tube 4; Top plate 5; Seal tube 6; Squirt head piece 7 ： Spout 8; Ejection path 9; Outer Tsuba 10; Hanging tube piece 11; Outer flange 12; skirt tube 13; Notch 14; Bullet 14a; Reinforcing rib 15; Locking piece 16; Guide slope 17; Non-slip 18; Through hole 19; Lid 20; Peripheral wall 21; Top wall 22; Plug piece 23; Locking hole 24; Finger rest 25; Hinge part 26; Locking ridge 27; Engaging ridges 28; Push-up piece 28a; taper surface

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Claims (5)

[Claims] 1. A bottle-shaped assembling part (2) having a top plate (4) tightly assembled at the mouth of the bottle container and having a jetting port (7) formed at the top plate (4). From the extended end of the outer collar (9) extended from the peripheral edge, a short cylindrical hanging cylinder piece (10) provided with a locking projection (26) on the outer peripheral surface of the front end is hung down. A skirt cylinder (12) is hung from the lower end of the hanging cylinder piece (10) through an outer flange-shaped outer flange (11), and the outer flange (9), the hanging cylinder piece (10) and the outer flange (11). A notch (13) is provided on both sides of the combination of the skirt and the skirt tube (12) to form a projecting piece (14) in an upright shape, and a locking piece is provided at the upper end of the outer surface of the projecting piece (14). Cap body with protruding (15) (1)
And a hinge part (25) at the rear end of the cap body (1), which is hinged so as to be openable and closable so as to be externally attached to the hanging cylinder piece (10) hanging from the outer peripheral end of the top wall (21). Engagement ridges (27) that engage with the locking ridges (26) on the inner peripheral surface of the front end of the peripheral wall (20) to be fitted.
Provided on both sides of the peripheral wall (20) are locking holes (23) into which the locking pieces (15) are fitted from the inside, and the locking holes (23) on the lower surface of the top wall (21). The locking hole (23), in which the bullet piece (14) locking the locking piece (15) to 23) elastically deforms inward and makes sliding contact.
And a lid body (19) provided with a push-up piece (28) having a taper surface (28a) that is inclined downward inwardly, and a dispensing cap made of synthetic resin. 2. A substantially hemispherical spout head piece (6) having a spout (7) projecting from the front end of the top plate (4), and the mouth of the bottle container is provided on the back surface of the top plate (4). A seal cylinder (5) tightly assembled on the inner circumference and a fitting cylinder (3) on the outer circumference of the seal cylinder (5) are provided, and the outer collar (9) close to the ejection head piece (6) is provided. The spout cap according to claim 1, wherein a through hole (18) is formed in the front side and outside the fitting cylinder (3) so as to vertically penetrate therethrough. 3. The spout cap according to claim 1, wherein the upper end surface of the locking piece (15) is a guide slope (16) which is inclined downward toward the outside. 4. A skirt tube (1) is provided at both ends of the inner surface of the bullet (14).
The spout cap according to claim 1, 2 or 3, wherein a pair of reinforcing ribs (14a) are provided up to the lower end of (2). 5. The plug piece (22) for sealing the jet outlet (7) of the cap body (1) is provided on the lower surface of the top wall (21) of the lid body (19), 1, 2, 3 or The dispensing cap described in 4.