JPH06227556A - Cap opening/closing apparatus - Google Patents

Abstract

PURPOSE:To obtain a simple structure with which contents can be freely taken out by providing a cap which opens/closes like a hinge on a container opening and providing a cap rotating means for rotating the cap to an open position or a close position linked with a push-in operation of a pressing part along a side of the container opening. CONSTITUTION:A cap 3 opening/closing like a hinge with an axial center 2 as the center is provided on a container opening 12 of an opening base 1, a cap opening/closing means attaching frame 20 is integrally provided along a vertical direction on a side of the container opening 12, and a push-button 5 is provided on a side of the cap 3 located upward so that it can be pushed in downward against a return spring of an elastic member 4. A rotating piece member 22 which rotates with a rotation center axis 21 as the center is provided in a lower part of the cap opening/closing means attaching frame 20, and the rotating piece member 22 is linkably coupled with the link 23 so that it rotates linked with opening/closing of the cap 3. An end 8a of a push rod member 8 is swingably coupled with the push-button 5, and a tip 8b is provided so that it can engage with an open groove 6 or a close groove 7 of the rotating piece member 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap opening and closing device for a cap provided on an opening base located at an opening of a container so as to open and close in a hinged manner, and more particularly, a cap is opened and closed by a push button. The present invention relates to a cap opening / closing device.

2. Description of the Related Art Conventionally, in this type of cap opening / closing device, a spring elastic force in the opening direction is given to the cap, and the cap is opened by pushing a push button for opening, and the cap is closed against the spring elastic force. It has been known.

[0002]

However, in the case of the conventional device, since the cap opening operation and the cap closing operation are different, it is possible to open the cap with one hand of the sprinkling container such as seasonings and spices. Even if it did, there was a problem that it could not be closed.

[0003]

In view of the above, according to the present invention, a cap provided for opening and closing in a hinged manner is opened and closed on the opening base located at the container opening portion by pushing a push button or the like to perform opening and closing operation with one touch. As a cap opening / closing device, a cap that opens and closes in a hinged manner is provided at the container opening, and the cap is opened or closed along the side of the container opening in conjunction with the pressing operation of a pressing part such as a push button. A cap opening / closing device provided with a cap rotating means for rotating the cap. Also,
The present invention relates to the cap opening / closing device, wherein a rotating piece member that rotates in an open position or a closed position in association with a pressing operation of a pressing portion including a push button, the rotating piece member, and a cap. The present invention provides a cap opening / closing device characterized in that it is provided with a cap rotating means composed of an interlocking member interlocking with an open position or a closed position. Further, the present invention is the cap opening / closing device, wherein the interlocking member comprises a link type motion transmission mechanism in which the rotating piece member and the cap are linked by a link so as to be interlocked with each other. It is provided. Further, according to the present invention, in the cap opening / closing device, the interlocking member includes a rotary shaft motion transmitting mechanism that rotationally power-transmits the rotary shaft of the rotary piece member and the hinge connecting shaft of the cap. The cap opening / closing device is provided.

Further, the present invention is the cap opening / closing device described above, which is provided with a return elastic means for imparting a return elastic force to a pressing portion such as a push button, and the cap or the rotating piece member is in the middle of the opening / closing rotating stroke. The cap opening / closing device is provided with an opening / closing elastic means for applying a rotating elastic force that rotates in the opening position direction or the closing position direction with respect to a portion. In the cap opening / closing device, the present invention provides a restoring elastic means for imparting a restoring elasticity to the pressing portion and a rotating elastic force for rotating the cap or the rotating piece member in the opening position direction or the closing position direction. The cap opening / closing device is characterized in that the opening / closing elastic means to be applied is composed of substantially the same elastic member. Further, the present invention is the cap opening / closing device, wherein the rotating piece member is located at a distance close to the pressing portion at a closed position of the cap and at a distance far from the pressing portion at an opening position of the cap. An open groove and a closed groove that is located at a distance far from the pressing portion at the closed position of the cap and at a distance close to the pressing portion at the open position of the cap are provided continuously with the open groove and the stepped portion, A push rod means capable of engaging with the open groove or the closed groove is provided interlockingly with the pressing portion, and further, the tip end portion of the push rod means is provided with the cap rotating means in a closed state as the cap is opened and closed. The cap opening / closing device is provided with an opening / closing switching means for switching and engaging the opening groove of the moving piece member or the closing groove of the rotating piece member in the opened state. Further, the present invention provides the cap opening / closing device, wherein in the cap opening / closing device, the opening / closing switching means is constituted by the step portion separating the opening groove and the closing groove.

According to the present invention, in the cap opening / closing device, the turning piece member is located on the opposite side of the opening groove at the closing position of the cap with respect to the center of rotation and at the opposite side of the closing groove at the opening position. There is a cap opening / closing swivel part located at
The tip of the push bar means is introduced into the open groove of the rotating piece member in the closed state between the cap opening / closing swivel part and the push bar means, and is inserted into the closing groove of the rotating piece member in the open state. It is an object of the present invention to provide a cap opening / closing device characterized by being provided with an opening / closing switching means composed of an elastic member to be introduced. Further, according to the present invention, in the cap opening / closing device, the turning piece member is located on the opposite side of the opening groove at the closing position of the cap with respect to the center of rotation and at the opening position on the opposite side of the closing groove. A cap opening / closing swivel unit is provided, one end of which is engaged with the cap opening / closing swivel unit, and the other end of which is slidably engaged along the push rod unit is provided with an opening / closing switching unit, and the opening / closing switching unit is pressed. A return elastic means for imparting a return elastic force to the pressing portion between the pressing portion and the pressing portion, and the tip end portion of the push rod means is closed by the elastic force of the return elastic means through the opening / closing switching means. (EN) Provided is a cap opening / closing device which is introduced into an opening groove and is introduced into a closing groove of a rotating piece member in an opened state. According to the present invention, in the cap opening / closing device, the elastic member, which is provided between the opening / closing switching means and the pressing portion and serves as the returning elastic means of the pressing portion and the opening / closing switching means of the tip portion of the push rod means, is a cap or It is an object of the present invention to provide a cap opening / closing device characterized by also functioning as an opening / closing elastic means for applying a rotating elastic force for rotating a rotating piece member toward an opening position direction or a closing position direction.

[0006]

According to the cap opening / closing device of the present invention having the above-described structure, when the pressing portion such as the push button provided along the side of the container opening is pushed in, the cap is opened or closed by one touch. Can be pivoted to a position. Further, at this time, since the cap rotating means such as the push button is located on the side of the container opening, not only the shape and structure of the container opening can be freely designed, but also the push button is not pressed during use. The button, the hand pushing the button, etc. are on the side of the opening, which has the effect of not hindering the removal of the contents. The present invention also provides a cap opening / closing device in which a cap rotating means is provided on the side of the container opening.
When the pressing portion such as a push button is pushed in, the rotating piece member rotates to the open position or the closed position, and the interlocking member that interlocks with it rotates the cap to the open position or the closed position, and the side portion of the container opening portion. Even if the cap rotating means located at and the cap located above the container opening are separated, the interlocking member can interlock them.
Further, in the cap opening / closing device of the present invention, in which the interlocking member is a link type connecting mechanism in which the rotary piece member and the cap are linked by a link so that they can be linked, the rotation center of the rotary piece Even if the center of rotation of the cap is far from the center, and even if the rotating shaft for interlocking is not provided, the both can be easily interlocked by a simple link type coupling mechanism. Further, in the cap opening / closing device of the present invention, the interlocking member includes a shaft connecting mechanism that connects the rotating shaft of the rotating piece member and the hinge connecting shaft of the cap in a rotary transmission manner, The rotation shaft of the rotation piece member and the hinge connection shaft of the cap are connected in parallel or directly coaxially via a gear or the like to smoothly transmit the opening / closing rotation of the rotation piece member to the cap. can do.

Further, in the cap opening / closing device of the present invention, which is provided with the cap rotating means on the side of the container opening, the cap is provided with the return elastic means for imparting the return elastic force to the pressing portion such as the push button. Alternatively, according to the cap opening / closing device provided with the opening / closing elastic means for providing the rotating piece member with the rotating elastic force for rotating in the opening position direction or the closing position direction with the intermediate portion of the opening / closing rotating stroke as a boundary, the push button When pushing the pressing part such as etc. halfway and rotating the cap to the intermediate part of the opening and closing rotation process in the opening position direction or the closing position direction,
The cap is automatically opened and closed by the opening and closing elastic means, and the pressing portion is also automatically returned to the original position by the returning elastic force. Also, a cap opening / closing device in which a cap rotating means is provided on the side of the container opening of the present invention,
One elastic force is substantially the same as the elastic return means for imparting the elastic return to the pressing portion and the opening / closing elastic means for imparting the rotational elasticity for rotating the cap or the rotating piece member toward the opening position direction or the closing position direction. According to the cap opening / closing device made of a member, the same elastic member can automatically open / close the cap and automatically restore the pressing portion.

Also, in the cap opening / closing device according to the present invention, which is provided with a cap rotating means on the side of the container opening, the rotating piece member is located at a distance close to the pressing portion at the cap closing position. Along with the opening groove located at a distance from the pressing portion at the opening position of the cap, the opening groove and the stepped portion are continuously located at a distance from the pressing portion at the closing position of the cap and at the opening position of the cap. A closing groove located close to the pressing portion is provided, and a pressing rod means that can engage with the opening groove or the closing groove is provided so as to be interlocked with the pressing portion. Further, the cap rotating means is provided with the pushing rod. A cap opening and closing device provided with opening and closing switching means for switching and engaging the tip of the means with the opening groove of the rotating piece member in the closed state or the closing groove of the rotating piece member in the open state as the cap is opened and closed. There When the pressing portion such as a push button is pushed in with the cap closed, the push rod means interlocking with this pushes the open groove located nearby to rotate the rotating piece member to the open position and open the cap. At the same time, with the opening of the cap, the closing groove of the rotating piece member is rotated to a position close to the push rod means, and at the same time, the opening / closing switching means engages the tip end portion of the push rod means with the closing groove. Let When the pressing portion such as a push button is pushed in with the cap open, the push rod means interlocking with this pushes the closing groove located nearby to rotate the rotating piece member to the closed position, and the cap is closed. When the cap is closed, the opening groove is rotated to a position close to the push rod means, and at the same time, the opening / closing switching means engages the tip end portion of the push rod means with the opening groove to press the pushing portion. If you push in, the cap will be opened again as described above.

Further, in the cap opening / closing device of the present invention, in which the opening / closing switching means is constituted by the stepped portion separating the opening groove and the closing groove, in a cap closing state, a push button or the like is used. When the push rod means interlocking with the pressing portion of the push rod rotates the opening groove located near the push rod means to turn the rotary piece member to the open position and the cap is opened, the closing groove of the rotary piece member is close to the push rod means. When the push rod means is retracted to the original position by the return elastic means at the same time as turning to the position, the tip end of the push rod means crosses the step portion and engages with the closing groove. When the pressing portion is pushed in, the push rod means interlocking with this pushes the closing groove to turn the turning piece member to the closed position, and the cap can be closed. Accompanied by,
When the opening groove is rotated to a position close to the push rod means, and at the same time the push rod means is retracted to the original position by the return elastic means, the tip end of the push rod means crosses the step portion and engages with the open groove, so that the pressing portion is pushed. If it is pushed in, the cap will be opened again as described above, and the step portion of the rotating piece member that separates the opening groove and the closing groove will cause the tip end portion of the push rod means to become the opening groove and the closing groove as the cap is opened and closed. It will act as an open / close switching means for switching and engaging.

Further, in the cap opening / closing device according to the present invention, which is provided with a cap rotating means on the side of the container opening, the rotating piece member has an opening groove at the closed position of the cap with respect to the center of rotation thereof. And a cap opening / closing swivel portion located on the opposite side of the closing groove at the open position, and the tip of the push rod means is closed between the cap opening / closing swivel portion and the push rod means. In the cap opening / closing device provided with the opening / closing switching means which is introduced into the opening groove of the rotating piece member and is introduced into the closing groove of the rotating piece member in the opened state, the cap opening / closing device is provided. The opening / closing switching means including an elastic member provided between the cap opening / closing swivel portion located on the opposite side of the opening groove and the push rod means places the tip end portion of the push rod means in the opening groove of the rotating piece member. Because it is in the state of introducing When the pressing portion is pushed in, the opening groove can be pushed around by the push rod means to open the cap, while in the opened state of the cap, the cap opening / closing swivel portion located on the opposite side of the closing groove of the rotating piece member and the pressing portion. The elastic member provided between the rod means introduces the tip end portion of the push rod means into the closing groove of the rotating piece member, so that if the pressing portion is pushed in, the closing groove is pushed around by the pushing rod means. The cap can be closed.

Further, according to the present invention, there is provided a cap opening / closing device in which a cap rotating means is provided on the side of the container opening, wherein the rotating piece member has an opening groove at the closed position of the cap with respect to the center of rotation thereof. A cap opening / closing swivel portion located on the opposite side to the closing groove at the open position and having one end engaged with the cap opening / closing swivel portion and the other end sliding along the push rod means. An opening / closing switching means that is freely engaged is provided, and a return elastic means for applying a returning elastic force to the pressing portion is provided between the opening / closing switching means and the pressing portion, and the opening / closing switching means is operated by the elastic force of the returning elastic means. In the cap opening / closing device, the tip end portion of the push rod means is introduced into the open groove of the rotating piece member in the closed state via the intermediary of the push rod means and the closing groove of the rotating piece member in the open state. Close the cap In this state, when the pressing portion is pushed against the return elastic force, the tip end portion of the push rod means is closed by the opening / closing switching means that receives the elastic force of the return elastic means that applies the return elastic force to the pressing portion. Since it is introduced into the open groove of the member, the open groove can be pushed and rotated by the push rod means to open the cap, while in the open state of the cap, when the push portion is pushed against the return elasticity, the push portion is pushed. Since the tip end portion of the push rod means is introduced into the closing groove of the rotating piece member in the open state by the opening / closing switching means that receives the elastic force of the return elastic means for applying the return elastic force to the The groove can be pushed around to close the cap. At this time, in the opened state of the cap, the opening / closing switching means, which receives the elastic force of the return elastic means, is located between the cap opening / closing swivel portion and the push rod means located on the opposite side of the opening groove of the rotating piece member. The tip end portion of the push rod means is introduced into the closed groove of the rotating piece member in the open state, while in the closed state, the opening / closing switching means receiving the elastic force of the return elastic means is located on the opposite side of the closed groove. The leading end of the push bar means is introduced between the cap opening / closing swivel part and the push bar means into the open groove of the rotating piece member in the closed state. Further, the cap opening / closing device according to the present invention is provided with a cap rotating means on a side portion of the container opening portion, the return elastic means and the push rod means for the pressing portion provided between the opening / closing switching means and the pressing portion. An elastic member serving as an opening / closing switching means of the tip portion also serves as an opening / closing elastic means for imparting a rotating elastic force for rotating the cap or the rotating piece member toward the opening position direction or the closing position direction. In the opening and closing device, by one elastic member,
The restoring operation of the pressing portion, switching between the opening groove and the closing groove at the tip end portion of the push rod means of the opening / closing switching means, and the rotating elastic force for rotating the cap by the opening / closing elastic means toward the opening position direction or the closing position direction. Can be given.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The cap opening / closing device according to the present invention will be described below with reference to the embodiments shown in the drawings.
In the apparatus according to the embodiment of the present invention, reference numeral 1 denotes an opening base body that is fixed to a container by screwing to form a container opening portion 12, and the container opening portion 12 of the opening base body 1 is provided with a hinge connecting portion made of a conventionally known means. A cap 3 is provided so as to open and close in a hinge manner about the shaft center 2. In the case of this embodiment, a cap opening / closing means mounting frame 20 is integrally provided on the side of the container opening 12 along the vertical direction, and is located beside the cap 3 above the cap opening / closing means mounting frame 20. A push button 5 is provided so that it can be pushed downward against the return elasticity of the elastic member 4. Here, the push button 5 constitutes a pressing portion according to the present invention, and the elastic member 4 constitutes a returning elastic means for giving a returning elasticity to the pressing portion according to the present invention. Further, below the cap opening / closing means mounting frame 20,
A rotating piece member 22 is provided which rotates about a rotation center shaft 21. The rotating piece member 22 is linked by a link 23 so as to rotate in association with opening and closing of the cap 3. That is, the link 23 is different from the cap 3 in the rotation shaft 24.
The rotary piece member 22 is connected by a rotary shaft 25, and the shaft center 2 of the hinge connecting portion of the cap 3, the rotary center shaft 21 of the rotary piece member 22, and the rotary shafts 24, 25 are connected. The lines form a parallelogram so that the closed position of the cap 3 in FIG. 1 and the open position of the cap 3 in FIGS. In this case, the link 23 constitutes a connecting member composed of the link type motion transmitting mechanism of the present invention.

Further, the rotating piece member 22 located below the cap opening / closing means mounting frame 20 has the cap 3 as described above.
When the cap 3 is opened and closed, it rotates about the rotation center shaft 21 and is located at a position close to the push button 5 at the closed position of the cap 3 and, as shown in FIG. 2 and FIG. With the open groove 6 located at a long distance from the push button 5 and the open groove 6 and the step portion 11 continuously, as shown in FIG. In addition, as shown in FIG. 2 and FIG. 3, it is provided with a closing groove 7 located at a distance close to the push button 5 at the open position of the cap.

Reference numeral 8 denotes a push rod member provided between the push button 5 and the rotating piece member 22, one end 8a of which is swingably connected to the push button 5 and the tip 8b of which is shown in FIG. As shown in FIG. 3, it engages with the open groove 6 of the rotary piece member 22 in the closed state or the close groove 7 of the rotary piece member 22 in the open state located at a close distance position in the return position of the push button 5. It is possible. The push rod member 8 constitutes push rod means according to the present invention. Also, the push button 5
A pressing portion made up of, etc., a push rod means made up of the push rod member 8,
The rotating piece member 22 having the opening groove 6 and the closing groove 7, the link 23, and the like constitute the cap rotating means according to the present invention. 9 is a cap 3 for attaching the tip 8b of the push rod member 8.
It is an open / close switching member that is switched to engage with the open groove 6 of the rotating piece member 22 in the closed state and the closing groove 7 of the rotating piece member 22 in the open state according to the opening and closing of. In the illustrated embodiment,
The open / close switching member 9 has a push bar member 8 at its tip portion 9a.
While being slidably engaged with an engaging groove 8c provided along the intermediate portion of the other end, the other end 9b is opened at the closed position of the cap 3 about the rotation center shaft 21 of the rotation piece member 22. 6 is pivotally connected to a connecting shaft 10 located on the opposite side of 6 and on the opposite side of the closing groove 7 in the open position. In the case of the embodiment, the elastic member 4 for giving the return elastic force to the push button 5 is provided by providing the elastic force between the push button 5 and the opening / closing switching member 9, and the elastic force of the elastic member 4 is provided. Thus, the tip 8b of the push rod member 8 is introduced into the open groove 6 of the rotating piece member 22 in the closed state through the tip portion 9a of the open / close switching member 9, and is also introduced into the closed groove 7 in the open state. It is configured as follows.

That is, when the cap 3 is closed,
As shown in FIG. 1, the other end portion 9b of the opening / closing switching member 9 is located on the opposite side of the opening groove 6 around the rotation center shaft 21, and at the same time, its tip portion 9a is engaged with the engaging groove 8c of the push rod member 8. By arranging in the direction of pressing the right side, the elastic force of the elastic member 4 acts in the direction of introducing the tip 8b of the push rod member 8 into the open groove 6 of the rotating piece member 22 in the closed state. In the opened state of the cap 3, as shown in FIG. 3, the other end 9b of the opening / closing switching member 9 is located on the opposite side of the closing groove 7 around the rotation center shaft 21, and at the same time,
When the tip portion 9a is positioned in the direction of pressing the engaging groove 8c of the push rod member 8 to the left, the elastic force of the elastic member 4 causes the tip 8b of the push rod member 8 to open the rotating piece member. It is configured to act in the direction of introduction into the closed groove 7 of 22. The open / close switching member 9 constitutes the open / close switching means according to the present invention.

Further, the elastic member 4 for applying an elastic force between the push button 5 and the opening / closing switching member 9 is provided with the rotation center shaft 21 via the other end 9b of the opening / closing switching member 9.
Since the rotating shaft member 22 is located on the opposite side of the opening groove 6 at the closed position and the connecting shaft 10 is located on the opposite side of the closing groove 7 at the opening position, the elastic force is applied to the connecting shaft 10. In the closed state, as shown in FIG. 1, a rotational elastic force in the closing direction for maintaining the closed state of the cap 3 is applied to the cap 3 via the link 23, and in the opened state of the cap 3, FIG. As shown in FIG. 2, the rotational elasticity in the opening direction for maintaining the opened state of the cap 3 is applied to the link 2
By attaching to the cap 3 via the connecting shaft 1,
Opening and closing elastic means for applying a turning elastic force to the cap 3 in the opening direction or the closing direction with the intermediate portion of the opening and closing rotation stroke as a boundary is configured via the rotation piece member 22 having 0 and the link 23. The opening / closing elastic means also serves as opening / closing state maintaining means for maintaining the cap 3 in the open position or the closed position. Here, the connecting shaft 10 of the rotating piece member 22 is located on the opposite side of the open groove 6 at the closed position of the cap 3 and at the open position and opposite to the closed groove 7 around the axis 21 of the rotary piece member. The cap opening / closing swivel unit according to the present invention located on the side is configured. Further, in the cap opening / closing device described above, a return elastic unit that applies a return elastic force to the pressing portion, and a cap opening / closing unit that applies a rotational elastic force to rotate the cap or the rotating piece member toward the opening position direction or the closing position direction. The elastic means comprises the same elastic member 4, and the same elastic means constitutes the restoring elastic means of the pressing portion, the cap opening / closing elastic means, and the elastic means of the opening / closing switching means.

In the cap opening / closing device of the embodiment according to the present invention having the above-described structure, first, in the closed state of the cap of FIG. 1, the push button 5 resists the return elastic force of the elastic member 4 and the rotating piece member 22. When pushed in, the tip 8b of the push rod member 8 swingably connected to the push button 5 is pushed.
Presses the open groove 6 at a distance position close to the button 5, pushes it to a far position as shown in FIG. 2, and rotates the rotating piece member 22 clockwise about the rotation center shaft 21, The interlocking mechanism of the link 23 rotates the cap 3 about the hinge connecting shaft 2 in the clockwise direction in FIG. When the push button 5 is released in the open position of the cap 3, the push button 5 is positioned on the side of the original cap by the return elasticity of the elastic member 4 and the cap 3 is maintained in the open state, As shown in FIG. 3, the tip 8b of the push rod member 8 has the opening groove 6 of the rotating piece member 22.
And the stepped portion 11 are continuous and engage with the closed groove 7 located at a distance close to the push button 5. Here, when the push button 5 is pushed again toward the turning piece member 22 side against the return elastic force, the tip 8b of the push rod member 8 pushes the closing groove 7,
Push it to a distant position and turn the turning piece member 22
When it rotates in the counterclockwise direction about 1, the interlocking mechanism of the link 23 causes the cap 3 to rotate in the counterclockwise direction in FIG. In the closed position of the cap 3, when the hand is released from the push button 5, the push button 5 is positioned on the lateral side of the original cap 3 due to the resilience and the cap 3 is maintained in the closed state, and at the same time, the push rod member 8 The front end 8b of the shaft engages with the open groove 6 located at a distance close to the push button 5, which is continuous with the closed groove 7 and the step 11. At this time, as described above, the opening / closing switching member 9 causes the tip 8b of the push rod member 8 to move
With the opening and closing of the cap 3, the rotating piece member 22 in the closed state
The opening groove 6 or the closing groove 7 of the rotating piece member 22 in the opened state is switched and engaged.

In the second embodiment shown in FIGS. 4 to 7, the turning piece member 22 and the cap 3 in the cap turning means of the first embodiment are interlocked with the open position or the closed position. The interlocking member comprises a link type motion transmission mechanism, while a linking type motion transmission mechanism connects the rotation shaft of the rotation piece member and the hinge connection shaft of the cap in a rotation transmission type. The present invention relates to a cap opening / closing device. In the apparatus of the second embodiment shown in FIGS. 4 to 7, reference numeral 1 denotes an opening base member which is fitted and fixed to a rectangular opening container to form a container opening portion 12. In twelve,
A blowout hole member 13 having a blowout hole 14 is fitted. Above the blow-out hole member 13 of the container opening portion 12, in FIG. 4, a hinge is provided around a hinge connecting shaft 2 formed of a conventionally known means provided along one side of the container opening portion 12 in the upper left and right direction. A cap 3 is provided so as to be opened and closed in a manner of expression. In this embodiment, a cap opening / closing means mounting frame 20 is integrally provided on the right side portion of the container opening 12 in FIG. 4 from the opening / closing end side of the cap 3 toward the hinge connecting portion side. A push button 5 is provided at the open / close end side so that the push button 5 can be pushed toward the hinge connecting portion side against the return elastic force of the elastic member 4 composed of a coil spring or the like.

Here, the push button 5 constitutes a pressing portion according to the present invention, and the elastic member 4 constitutes a returning elastic means for imparting a returning elastic force to the pressing portion according to the present invention. Further, as clearly shown in FIGS. 5 to 7, a turning piece member 22 that turns about a turning center shaft 21 is provided on the side of the cap 3 of the cap opening / closing means mounting frame 20 on the hinge connection side. . The rotating piece member 22 is operably connected to the hinge connecting shaft 2 of the cap 3 so as to rotate in association with opening and closing of the cap 3. That is, in the case of the embodiment, the rotation center shaft 21 of the rotation piece member 22 and the hinge connection shaft 2 of the cap 3 are coaxially and integrally connected to each other, and the closed position of the cap 3 of FIG. It is configured to reciprocally open and close in conjunction with the open position of the cap 3 in FIG. 7. In this case, the means for integrally connecting the rotating center shaft 21 of the rotating piece member 22 and the hinge connecting shaft 2 constitutes a connecting member which is the rotating shaft motion transmitting mechanism of the present invention. Therefore, as the rotary motion transmission mechanism of the present invention for connecting the rotation center shaft 21 of the rotation piece member 22 and the hinge connection shaft 2, in addition to the integral connection means, various rotations such as a gear type and a universal joint type. A connecting member including an axial motion transmission mechanism can be adopted. Further, as described above, the rotating piece member 22 located on the hinge connecting portion side of the cap opening / closing means mounting frame 20 rotates about the rotation center shaft 21 as the cap 3 is opened / closed to close the cap 3. 6 and 7, the open groove 6 is located at a position close to the push button 5, and is located far from the push button 5 at the open position of the cap 3, and the open groove 6. Continuing with the step 11, as shown in FIG.
The cap 3 includes a closed groove 7 located at a long distance from the push button 5 at a closed position, and a close groove 7 located at a close distance to the push button 5 at an open position of the cap as shown in FIGS. 6 and 7. is doing.

Reference numeral 8 denotes a push rod member provided between the push button 5 and the rotating piece member 22, one end 8a of which is swingably connected to the push button 5 and the end 8b of which is shown in FIG. As shown in FIG. 7, it engages with the open groove 6 of the rotating piece member 22 in the closed state or the closing groove 7 of the rotating piece member 22 in the open state located at a close distance position in the return position of the push button 5. It is possible. The push rod member 8 constitutes push rod means according to the present invention. Also, the push button 5
A pressing portion made up of, etc., a push rod means made up of the push rod member 8,
The rotating piece member 22 and the like having the open groove 6 and the closed groove 7 constitute the cap rotating means according to the present invention. Reference numeral 9 switches and engages the tip 8b of the push rod member 8 with the opening groove 6 of the rotating piece member 22 in the closed state and the closing groove 7 of the rotating piece member 22 in the open state as the cap 3 is opened and closed. It is an open / close switching member. In the illustrated embodiment, the open / close switching member 9 has its tip 9a slidably engaged with an engaging groove 8c provided along the intermediate portion of the push rod member 8, while the other end 9b is The pivoting piece member 22 is pivotably connected to the connecting shaft 10 located on the opposite side of the opening groove 6 at the closed position of the cap 3 at the closed position of the cap 3 and on the opposite side of the closing groove 7 at the open position. I am doing it.

In the case of the embodiment, the elastic member 4 for imparting the return elastic force to the push button 5 is provided by providing the elastic force between the push button 5 and the open / close switching member 9, and the elastic member 4 is provided. By the elastic force of, the tip 8b of the push rod member 8 is introduced into the open groove 6 of the rotating piece member 22 in the closed state via the tip portion 9a of the open / close switching member 9, and the inside of the closed groove 7 in the open state is introduced. It is configured to be installed in. That is, in the closed state of the cap 3, as shown in FIG. 5, the other end portion 9b of the opening / closing switching member 9 is located on the opposite side of the opening groove 6 around the rotation center shaft 21, and at the same time, the tip portion 9 thereof is formed.
Since a is positioned in a direction to push the engaging groove 8c of the push rod member 8 upward, the elastic force of the elastic member 4 causes the tip 8b of the push rod member 8 to open the rotating piece member 22 in the closed state. It acts in the direction of introduction into the groove 6 and the cap 3
7, the other end 9b of the opening / closing switching member 9 is located on the opposite side of the closing groove 7 about the rotation center shaft 21, and the tip 9a of the opening / closing switching member 9 is at the same time. By locating the engaging groove 8c of No. 8 in the direction of pressing downward, the elastic force of the elastic member 4 is increased.
The distal end 8b of the above is configured to act in the direction of being introduced into the closed groove 7 of the rotating piece member 22 in the opened state. The open / close switching member 9 constitutes the open / close switching means according to the present invention.

Further, the elastic member 4 for applying an elastic force between the push button 5 and the opening / closing switching member 9 is provided with the rotation center shaft 21 via the other end 9b of the opening / closing switching member 9.
Since the rotating shaft member 22 is located on the opposite side of the opening groove 6 at the closed position and the connecting shaft 10 is located on the opposite side of the closing groove 7 at the opening position, the elastic force is applied to the connecting shaft 10. In the closed state, as shown in FIG. 5, a rotational elastic force is applied to the cap 3 in the closing direction for maintaining the closed state of the cap 3, and in the opened state of the cap 3, as shown in FIG. The cap 3 is provided with a turning elastic force in the opening direction for maintaining the open state of the cap 3, so that the cap 3 is bounded to the cap 3 via the turning piece member 22 having the connecting shaft 10. The opening / closing elastic means is configured to apply a rotational elastic force to the opening direction or the closing direction. The opening / closing elastic means also serves as opening / closing state maintaining means for maintaining the cap 3 in the open position or the closed position. Here, the connecting shaft 10 of the rotating piece member 22 is located on the opposite side of the open groove 6 at the closed position of the cap 3 and at the open position and opposite to the closed groove 7 around the axis 21 of the rotary piece member. The cap opening / closing swivel unit according to the present invention located on the side is configured. Further, in the cap opening / closing device described above, a return elastic unit that applies a return elastic force to the pressing portion, and a cap opening / closing unit that applies a rotational elastic force to rotate the cap or the rotating piece member toward the opening position direction or the closing position direction. The elastic means comprises the same elastic member 4, and the same elastic means constitutes the restoring elastic means of the pressing portion, the cap opening / closing elastic means, and the elastic means of the opening / closing switching means.

In the cap opening / closing device of the embodiment according to the present invention having the above-described structure, first, in the closed state of the cap of FIG. 5, the push button 5 resists the return elastic force of the elastic member 4 and the rotating piece member 22. When pushed in, the tip 8b of the push rod member 8 swingably connected to the push button 5 is pushed.
Presses the open groove 6 at a distance position close to the button 5, pushes it to a far position as shown in FIG. 6, and rotates the rotating piece member 22 clockwise about the rotation center shaft 21, By the interlocking mechanism, the cap 3 is rotated clockwise about the hinge connecting shaft 2 in FIG. Cap 3
When the hand is released from the push button 5 in the open position, the push button 5 is positioned on the side of the original cap due to the resilience of the elastic member 4 and the cap 3 is maintained in the open state. As shown, the end 8b of the push rod member 8 is continuous with the opening groove 6 of the rotating piece member 22 and the step portion 11 and is located at a distance close to the push button 5.
Engage with. Here, when the push button 5 is pushed again toward the turning piece member 22 against the return elastic force, the tip 8b of the push rod member 8 pushes the closing groove 7 and pushes it to a far position to turn the turning piece member. When 22 is rotated in the counterclockwise direction about the rotation center shaft 21, the cap 3 is rotated in the counterclockwise direction in FIG. In the closed position of the cap 3, when the hand is released from the push button 5, the push button 5 is positioned on the lateral side of the original cap 3 due to the resilience and the cap 3 is maintained in the closed state, and at the same time, the push rod member 8 The front end 8b of the shaft engages with the open groove 6 located at a distance close to the push button 5 continuous with the closed groove 7 and the step portion 11. At this time, as described above, the opening / closing switching member 9 causes the tip 8b of the push rod member 8 to open or close the open groove 6 of the rotating piece member 22 in the closed state as the cap 3 is opened or closed. Member 22
The closing groove 7 is switched to be engaged.

In the third embodiment shown in FIGS. 8 to 10, the elastic member 4 is provided between the push rod member 8 constituting the push rod means and the cap opening / closing swivel portion 10 of the rotating piece member 22. The present invention discloses a cap opening / closing device according to the present invention capable of achieving the same functions as those of the first and second embodiments. In the case of the third embodiment, the opening base 1 is provided with a cap 3 so as to be opened and closed in a hinge manner about the hinge connecting shaft 2 that interlocks with the rotating piece member 22, as in the second embodiment. There is. Further, as shown in FIG. 8, on the side of the rotating piece member of the cap 3, the cap 3 is located at a position close to the push button 5 at the closed position of the cap 3, and as shown in FIGS. In the open position, the open groove 6 is located far from the push button 5, and the open groove 6 and the step portion 11 are continuous with each other. There is a closed groove 7 located at a position close to the push button 5 in the open position. Further, the push rod member 8 provided between the push button 5 and the rotating piece member 22 has one end 8a swingably connected to the push button 5, and the tip 8b thereof is fixed to the push rod member 8 shown in FIGS. As shown in FIG. 5, the push button 5 can be engaged with the open groove 6 of the rotary piece member 22 in the closed state or the close groove 7 of the rotary piece member 22 in the open state, which is located at a short distance position. It is provided. Furthermore, the turning piece member 22 has a cap opening / closing swivel which is located on the opposite side of the opening groove 6 at the closing position of the cap 3 and at the opening position and on the opposite side of the closing groove 7 on the turning piece member 22. A section 10 is provided.

Here, in the third embodiment, the elastic member 4 imparted with the expanded elastic force is provided between the intermediate portion of the push rod member 8 and the cap opening / closing swivel portion 10. The elastic member 4 constitutes a return elastic means for imparting a return elastic force to the push button 5, and the tip end portion 4a thereof is engaged with the intermediate portion of the push rod member 8, while the other end portion 4b thereof is a rotating piece member. The opening groove 6 at the closed position of the cap 3 around the rotation center shaft 21 of 22.
Of the push rod member 8 by the elastic force of the elastic member 4 due to the structure in which the elastic member 4 is pivotally connected to the cap opening / closing swivel portion 10 located on the opposite side of the closed groove 7 in the open position. Is introduced into the open groove 6 of the rotating piece member 22 in the closed state and at the same time constitutes a cap open / close switching means for introducing into the open groove 6 of the rotating piece member 22. Further, the elastic member 4 is provided with the rotating piece member 2 through the other end 4b.
In the closed state of the cap 3 about the rotation center shaft 21 of FIG. 2, as shown in FIG. 8, the rotation elastic force in the closing direction for maintaining the closed state of the cap 3 is applied to the rotation piece member 22.
In the opened state of the cap 3, as shown in FIG. 10, a turning elastic force in the opening direction for maintaining the opened state of the cap 3 is applied to the turning piece member 22, whereby the cap 3 In addition, the opening / closing elastic means for applying the rotational elasticity toward the opening direction or the closing direction with the intermediate portion of the opening / closing rotation process as a boundary is configured.

The fourth embodiment shown in FIGS. 11 to 13 discloses a cap opening / closing device according to the present invention which can achieve the same function as that of the first, second and third embodiments with a simple structure. Is. In the case of the fourth embodiment, the opening base 1 is provided with a cap 3 so as to open and close in a hinge manner about the hinge connecting shaft 2 as in the second embodiment. Further, as shown in FIG. 11, the turning piece member 22 of the cap 3 is located at a distance close to the push button 5 at the closed position of the cap 3, and as shown in FIGS. In the open position, the open groove 6 is located at a long distance from the push button 5, and the open groove 6 and the step portion 11 are continuous with each other. There is a closed groove 7 located in the open position, close to the push button 5. Further, the push rod member 8 provided between the push button 5 and the rotating piece member 22 has a return elastic force for keeping the horizontal position, and has one end 8a.
Is swingably connected to the push button 5, and its tip 8b is located at a close distance position in the return position of the push button 5, as shown in FIGS. 11 and 13, and is in the closed state. It is provided so that it can be engaged with the open groove 6 of the member 22 or the close groove 7 of the rotating piece member 22 in the open state. Further, between the push button 5 and the container base body 1, there is provided a return elastic means composed of an elastic member 4 for applying a return elastic force to the push button 5 against the operation, and the rotating piece member 22 ( Alternatively, between the cap 3) and the container base body 1, with the rotation center shaft 21 of the rotation piece member 22 (or the hinge connection shaft 2 of the cap 3) as the center, in the closed state of the cap 3, as shown in FIG. As shown, a turning elastic force in the closing direction for maintaining the closed state of the cap 3 is applied to the turning piece member 22 (or the cap 3), and in the opened state of the cap 3, as shown in FIG. Rotating elastic force in the opening direction for maintaining the opened state of the cap 3 is applied to the rotating piece member 22.
(Or cap 3), so that the cap 3
Further, there is provided an opening / closing elastic means composed of a spring member 15 or the like for imparting a rotating elastic force in the opening direction or the closing direction with the middle part of the opening / closing rotation stroke as a boundary.

In the fourth embodiment, the stepped portion 11 separating the opening groove 6 and the closing groove 7 closes the tip portion 8b of the push rod member 8 as the cap is opened and closed. The open / close switching means is configured by switching and engaging the open groove 6 of the rotating piece member 22 and the closing groove 7 of the open rotating piece member 22. That is, as shown in FIG. 12, the push rod member 8 is pushed in and the cap 3
When the push button 5 returns to its original position due to the restoring elasticity immediately after the opening of the push rod member 8, the tip portion 8b of the push rod member 8 is returned.
13 retreat from the open groove 6 to get over the step 11 and
As shown in FIG. 4, when the push button 5 is returned to its original position by the return elasticity after engaging with the closing groove 7 and then pushing the push rod member 8 to close the cap 3, The tip portion 8b is retracted from the closed groove 7 and the step portion 1
11 is engaged with the open groove 6 shown in FIG. 11, and the tip 8b of the push rod member 8 is opened and closed with the open groove 6 of the rotating piece member 22 in the closed state as the cap 3 is opened and closed. Opening / closing switching means is configured by switching and engaging with the closing groove 7 of the rotating piece member 22.

[0028]

According to the cap opening / closing device of the present invention having the above-described structure, a cap that opens and closes in a hinged manner is provided in the container opening, and a pressing portion including a push button or the like is provided along the side of the container opening. Since the cap rotation means for rotating the cap to the open position or the closed position in conjunction with the pushing operation of the container is provided, the pressing portion including the push button provided along the side portion of the container opening is pushed. With that, there is an effect that the cap can be rotated to the open position or the closed position with one touch, and at this time, since the cap rotating means such as the push button is located on the side of the container opening. In addition to the effect that the shape and structure of the container opening can be freely designed, the push button and the hand that pushes it are on the side of the opening during use, which hinders the removal of the contents. Na There is an effect such as no. Further, according to the present invention, in the cap opening / closing device in which the cap rotating means is provided on the side of the container opening, the cap is rotated to the open position or the closed position in conjunction with the pressing operation of the pressing portion such as the push button. Since there is provided a cap rotating means composed of a rotating piece member and an interlocking member that interlocks the rotating piece member and the cap with the open position or the closed position, a pressing portion such as a push button is provided. When pushed, the rotating piece member rotates to the open position or the closed position, and the interlocking member interlocked therewith causes the cap to rotate to the open position or the closed position, and the cap rotating means located on the side of the container opening. Even if the cap located on the container opening is separated, the interlocking member can interlock the two.

Further, in the cap opening / closing device of the present invention, in which the interlocking member comprises a link type motion transmitting mechanism in which the rotating piece member and the cap are linked by a link so as to interlock, Even if the center of rotation of the moving piece member and the center of rotation of the cap are not substantially aligned, and even if a rotating shaft for interlocking is not provided, the effect of being able to easily link the two by a simple link-type connecting mechanism is provided. is there. In addition, in the cap opening / closing device of the present invention, the interlocking member includes a rotary shaft motion transmitting mechanism that connects the rotary shaft of the rotary piece member and the hinge connecting shaft of the cap in a rotary transmission manner. The rotary shaft of the rotary piece member and the hinge connecting shaft of the cap are connected in parallel or directly coaxially via a gear or the like to smoothly open and close the rotary piece member. There is an effect that can be transmitted to the cap. Further, in the cap opening / closing device according to the present invention, which is provided with a cap rotating means on the side of the container opening, a return elastic means for imparting a return elastic force to a pressing portion such as a push button is provided, and the cap or the rotating means is provided. According to the cap opening / closing device, which is provided with the opening / closing elastic means for imparting the rotating elastic force for rotating the piece member toward the opening position direction or the closing position direction with the intermediate portion of the opening / closing rotation process as a boundary, the pressing of the push button or the like is performed. When the cap is pushed in halfway and the cap or the rotating piece member is rotated toward the intermediate part of the opening and closing rotation stroke in the opening position direction or the closing position direction, the cap is automatically opened and closed by the opening and closing elastic means and is pressed. The part also automatically returns to its original position by the return elasticity, which makes the pushing operation and the return operation of the pressing part smooth and agile, as well as opening and closing the cap and opening the cap. The effect of such stably maintained in position.

Further, in the cap opening / closing device according to the present invention, which is provided with the cap rotating means on the side of the container opening, the return elastic means for giving the returning elastic force to the pressing portion and the cap or the rotating piece member. According to the cap opening / closing device in which the opening / closing elastic means for imparting the rotational elasticity for rotating toward the opening position direction or the closing position direction is composed of substantially the same elastic member, the same elastic member is used to automatically move the cap. Since the automatic opening and closing and the automatic return operation of the pressing portion can be performed, there is an effect that the return elastic means and the opening and closing elastic means can be simply configured by one elastic member.

Further, in the cap opening / closing device according to the present invention, which is provided with the cap rotating means on the side of the container opening, the rotating piece member is located at a distance close to the pressing portion at the closed position of the cap. Along with the opening groove located at a distance from the pressing portion at the opening position of the cap, the opening groove and the stepped portion are continuously located at a distance from the pressing portion at the closing position of the cap and at the opening position of the cap. A closing groove located close to the pressing portion is provided, and a pressing rod means that can engage with the opening groove or the closing groove is provided so as to be interlocked with the pressing portion. Further, the cap rotating means is provided with the pushing rod. A cap opening and closing device provided with opening and closing switching means for switching and engaging the tip of the means with the opening groove of the rotating piece member in the closed state or the closing groove of the rotating piece member in the open state as the cap is opened and closed. There When the pressing portion such as a push button is pushed in with the cap closed, the push rod means interlocking with this pushes the open groove located nearby to rotate the rotating piece member to the open position and open the cap. At the same time, with the opening of the cap, the closing groove of the rotating piece member is rotated to a position close to the push rod means, and at the same time, the opening / closing switching means engages the tip end portion of the push rod means with the closing groove. Then, when the pressing portion such as a push button is pushed in with the cap open, the push rod means interlocking with this pushes the closing groove located nearby to turn the turning piece member to the closing position, The cap can be closed. At this time, with the closure of the cap, the opening groove is rotated to a position close to the push rod means, and at the same time, the opening / closing switching means engages the tip end portion of the push rod means with the opening groove, If you push in the pressing part Since the again cap as can be opened, strongly pushes force push rod means and has the effect of excellent durability,
There is an effect that the pushing force of the pressing part can be strongly transmitted in series to open and close the cap, and the opening and closing operation is easy to understand and erroneous operation can be prevented, while opening and closing operation of the cap Since and can be performed by pushing the same push button, for example, the cap can be opened with one hand of the sprinkle container such as seasonings and spices, and can also be closed.
There is an effect that the cap can be opened and closed easily and quickly with one touch of one hand.

Further, in the cap opening / closing device described above,
According to the cap opening / closing device of the present invention in which the opening / closing switching means is configured by the step portion that separates the open groove and the closed groove, in the opened state of the cap, the tip of the push rod means is separated from the step portion by the step portion. When the cap is in the closed state, the tip of the push rod means is separated from the closed groove by the step portion and faces the open groove when the cap is closed. There is an effect that can be configured. Also, a cap opening / closing device in which a cap rotating means is provided on the side of the container opening of the present invention,
The turning piece member is provided with a cap opening / closing swivel portion located on the opposite side of the opening groove at the closed position of the cap with respect to the center of rotation thereof and on the opposite side of the closing groove at the opening position. Between the push rod means and the push rod means, the tip end portion of the push rod means is introduced into the opening groove of the rotating piece member in the closed state, and the elastic member is introduced into the closing groove of the rotating piece member in the opened state. According to the cap opening / closing device having the opening / closing switching means, the elastic force is exerted between the push bar means and the cap opening / closing swivel part that swivels around the rotation center axis of the rotating piece member as the cap is opened / closed. By the opening / closing switching means including the elastic member provided, the tip end portion of the push rod means can be introduced into the opening groove or the closing groove of the rotating piece member, so that the opening / closing switching means can be easily configured. Along with The opening / closing switching member composed of a force member is provided with a return elastic means for imparting a return elastic force to the pressing portion via the push rod member, and an intermediate portion of the opening / closing rotation stroke to the cap or the rotation piece member via the cap opening / closing rotation portion. There is an effect of configuring an opening / closing elastic means that applies a rotational elastic force toward the opening direction or the closing direction at the boundary.

Also, in the cap opening / closing device according to the present invention, which is provided with a cap rotating means on the side of the container opening, the rotating piece member has an opening groove at the closed position of the cap with respect to the center of rotation thereof. A cap opening / closing swivel portion located on the opposite side to the closing groove at the open position and having one end engaged with the cap opening / closing swivel portion and the other end sliding along the push rod means. An opening / closing switching means that is freely engaged is provided, and a return elastic means for applying a returning elastic force to the pressing portion is provided between the opening / closing switching means and the pressing portion, and the opening / closing switching means is operated by the elastic force of the returning elastic means. According to the cap opening / closing device, the tip end portion of the push rod means is introduced into the open groove of the rotating piece member in the closed state via the intermediary of the push rod means, and is introduced into the closing groove of the rotating piece member in the open state. ,
When the pressing portion is pushed against the return elastic force in the closed state of the cap, the tip end portion of the push rod means is closed by the opening / closing switching means that receives the elastic force of the return elastic means that gives the return elastic force to the pressing portion. Since it is introduced into the opening groove of the rotating piece member, the opening groove can be pushed and rotated by the push rod means to open the cap, while in the opened state of the cap, the pressing portion is pushed against the return elasticity. Since the tip end portion of the push rod means is introduced into the closed groove of the rotating piece member in the open state by the opening / closing switching means which receives the elastic force of the return elastic means for applying the return elastic force to the pressing portion,
Since the cap can be closed by pushing the closing groove with the push rod means, the cap opening operation and the cap closing operation can be performed by pressing the pressing portion such as the same push button. Therefore, for example, seasonings and spices can be used. It is possible to open and close the cap with one hand of the sprinkling container such as one, and to open and close the cap easily and quickly with one touch of one hand.

Further, in the cap opening / closing device according to the present invention, which is provided with the cap rotating means on the side of the container opening, the elastic means for returning the pressing portion is provided between the opening / closing switching means and the pressing portion. The elastic member serving as an opening / closing switching unit at the tip end portion of the push rod unit also serves as an opening / closing elastic unit that imparts a rotating elastic force for rotating the cap or the rotating piece member toward the opening position direction or the closing position direction. In the cap opening / closing device according to the present invention, the restoring operation of the pressing portion, the switching between the open groove and the closing groove of the tip end portion of the push rod means of the opening / closing switching means, and the cap by the opening / closing elastic means are performed by one elastic member. Since it is possible to give a rotating elastic force for rotating the rotating piece member toward the open position direction or the closed position direction,
This has the effect of simplifying the cap rotating means.

[Brief description of drawings]

FIG. 1 is a schematic vertical cross sectional explanatory view showing a main part of a cap opening / closing device according to a first embodiment of the present invention in a closed state of a cap.

FIG. 2 is a schematic vertical cross-sectional explanatory view showing a main part during the return of the push button after the cap of the embodiment of FIG. 1 is opened.

FIG. 3 is a schematic vertical cross-sectional explanatory view showing a main part of the embodiment of FIG. 1 in an opened state of the cap.

FIG. 4 is a schematic cross-sectional explanatory view showing a main part of a cap opening / closing device according to a second embodiment of the present invention in a closed state of the cap.

5 is a schematic vertical cross-sectional explanatory view showing a main part of the cap according to the second embodiment of FIG. 4 in a closed state.

FIG. 6 is a schematic vertical cross sectional explanatory view further schematically showing a main part in the middle of returning the push button after opening the cap having the same main part as in the second embodiment of FIG. 4;

FIG. 7 is a schematic vertical cross sectional explanatory view further schematically showing a main part in an open state of a cap having the same main part as that of the second embodiment of FIG.

FIG. 8 is a schematic longitudinal explanatory view showing a main part of a cap opening / closing device according to a third embodiment of the present invention in a closed state of the cap.

9 is a schematic vertical cross sectional explanatory view schematically showing a main part of the push button after returning from the cap of the embodiment shown in FIG.

10 is a schematic vertical cross sectional explanatory view schematically showing a main part of the cap of the embodiment of FIG. 8 in an opened state.

FIG. 11 is a schematic vertical cross sectional explanatory view showing a main part of a cap opening / closing device according to a fourth embodiment of the present invention in a closed state of the cap.

FIG. 12 is a schematic vertical cross sectional explanatory view schematically showing a main part of the push button after returning from the cap of the embodiment shown in FIG.

FIG. 13 is a schematic vertical cross sectional explanatory view schematically showing a main part of the cap of the embodiment of FIG. 11 in an opened state.

[Explanation of symbols]

1 ... Opening base 2 ... Hinge connecting shaft (interlocking member consisting of rotary shaft motion transmitting mechanism) 3 ... Cap 4 ... Elastic member (return elastic means) 5 ... Push Button (pressing part) 6 ... Opening groove 7 ... Closing groove 8 ... Push rod member (push rod means) 9 ... Open / close switching member (open / close switching means) 10 ... Connection Shaft (cap opening / closing swivel part) 11 ... Step part 12 ... Container opening 13 ... Blowout hole member 14 ... Blowout hole 15 ... Spring member (opening / closing elastic means) 20 ... Cap opening / closing Means mounting frame 21 ... Rotating central shaft 22 ... Rotating piece member 23 ... Link (connecting member consisting of link type motion transmission mechanism) 24 ... Rotating shaft 25 ... Rotating shaft

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuo Uejima 516 Kusayama, Irizen-cho, Shimoshinagawa-gun, Toyama Prefecture (72) Inventor Hiroaki Takashima 50 Fukushima Shin, Irizen-cho, Shimoshinagawa-gun, Toyama Prefecture (72) Yoshio Kawada Yoshida, Kurobe-shi, Toyama Prefecture 276

Claims (11)

[Claims] 1. A container opening is provided with a hinged opening / closing cap, and the cap is opened or closed along a side portion of the container opening in conjunction with a pressing operation of a pressing portion such as a push button. Cap opening / closing device provided with a cap rotating means for rotating the cap 2. The cap opening / closing device according to claim 1, wherein a rotating piece member that is rotated to an open position or a closed position in association with a pressing operation of a pressing portion including a push button and the like. A cap opening / closing device provided with a cap rotating means composed of a piece member and an interlocking member for interlocking the cap with an open position or a closed position. 3. The cap opening / closing device according to claim 2, wherein the interlocking member comprises a link type motion transmission mechanism in which the rotating piece member and the cap are linked by a link so as to be interlocked with each other. apparatus 4. The cap opening / closing device according to claim 2, wherein the interlocking member is a rotary shaft motion transmitting mechanism that connects the rotary shaft of the rotary piece member and the hinge connecting shaft of the cap in a rotary transmission manner. Cap opening / closing device characterized in that 5. The cap opening / closing device according to claim 1, 2, 3 or 4, further comprising return elastic means for applying a return elastic force to a pressing portion such as a push button, and the cap or the rotating piece member. A cap opening / closing device provided with an opening / closing elastic means for imparting a rotating elastic force for rotating toward an opening position direction or a closing position direction with an intermediate portion of an opening / closing rotation process as a boundary. 6. The cap opening / closing device according to claim 5, wherein a restoring elastic means for imparting a restoring elastic force to the pressing portion and a rotating member for rotating the cap or the rotating piece member toward the opening position direction or the closing position direction. A cap opening / closing device characterized in that the opening / closing elastic means for imparting dynamic elasticity is composed of substantially the same elastic member. 7. The method according to claim 2, 3, 4, 5 or 6.
The cap opening / closing device according to claim 1, wherein the rotating piece member has an opening groove located at a distance close to the pressing portion at a closed position of the cap and at a distance far from the pressing portion at an opening position of the cap, The opening groove and the stepped portion are continuously provided at a distance far from the pressing portion at the closed position of the cap and at the same time at the opening position of the cap at a distance close to the pressing portion. Push rod means that can engage with the open groove or the closed groove is provided interlockingly, and
Opening and closing by which the tip end portion of the push rod means is engaged with the cap rotating means by switching to the open groove of the rotating piece member in the closed state or the closing groove of the rotating piece member in the open state as the cap is opened and closed. Cap opening and closing device characterized by providing switching means 8. The cap opening / closing device according to claim 7, wherein the opening / closing switching means is constituted by the step portion separating the opening groove and the closing groove. 9. The cap opening / closing device according to claim 7, wherein the turning piece member is located on the opposite side of the open groove at the closed position of the cap with respect to the center of rotation and at the opposite side of the open groove at the open position. A cap opening / closing swivel portion positioned between the cap opening / closing swivel portion and the push rod means, the tip end portion of the push rod means is introduced into the open groove of the rotating piece member in the closed state, and the open state is provided. Cap opening / closing device, which is provided with an opening / closing switching means formed of an elastic member introduced into the closed groove of the rotating piece member. 10. The cap opening / closing device according to claim 7, wherein the turning piece member is located on the opposite side of the opening groove at the closed position of the cap with respect to the center of rotation and at the opposite side of the closing groove at the opening position. Is provided with a cap opening / closing swivel portion, one end of which is engaged with the cap opening / closing swivel portion, and the other end of which is slidably engaged along the push rod means. A return elastic means for applying a return elastic force to the pressing portion is provided between the means and the pressing portion, and the tip end portion of the push rod means is rotated in a closed state via the opening / closing switching means by the elastic force of the return elastic means. A cap opening / closing device adapted to be introduced into the opening groove of the piece member and into the closing groove of the rotating piece member in the opened state. 11. The cap opening / closing device according to claim 10, wherein an elastic member provided between the opening / closing switching means and the pressing portion serves as return elastic means for the pressing portion and opening / closing switching means for the tip portion of the push rod means. However, the cap opening / closing device also functions as an opening / closing elastic means for applying a rotating elastic force for rotating the cap or the rotating piece member toward the opening position direction or the closing position direction.