JP2011131930A - One-touch opening/closing cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a one-touch opening/closing cap with a good usability which includes: a cap body A1 which is fixed by fitting on a container body B; a lid A2 which is openably/closably installed on the top surface of the cap body A1; a fastener which fastens the front section of the lid A2 on the front section of the cap body A1; a defastener which releases the fastening of the lid A2; and an opening direction urger for the lid A2, and by which the lid can be opened by a one-touch motion. <P>SOLUTION: The opening direction urger fore lid A2 is constituted fixing one end to the upper end of the cap body A1, and by installing an elastic plate 41 reaching the lower end surface of the rear section of the lid peripheral wall under a lid-opened state in such a manner that the lid A2 under a closed state may always be urged in the opening direction by making the elastic plate 41 elastically deformed to a state wherein the elastic plate 41 is folded back from the intermediate section when the lid A2 under the lid-opened state is closed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a one-touch opening / closing cap.

  Various caps that include a cap body and a lid and that can be automatically opened by urging the lid in the opening direction have been proposed. (For example, see Patent Document 1 or Patent Document 2)

  In the former, the cap body and the lid are connected via a connecting mechanism including a pair of hinges and an elastic arm plate having a bent middle portion provided between the hinges.

  In the latter, the cap body and the lid body are connected by a hinge body. The cap body is formed of a top wall and a cylindrical outer peripheral wall, and the hinge body is provided at a predetermined position on the upper end of the outer peripheral wall. A storage portion is provided, the lid is formed of an upper wall and a cylindrical wall, and a storage portion in which a hinge body is stored is provided in a part of the cylindrical wall. When the lid is closed, the pair of hinge pieces expands upward and downward, and the cap body and the portion connected to the lid body are formed thin, and the cap body side between the pair of hinge pieces and On both sides of the lid body, the bridge is coupled in a shape having a void, and the connecting portion of the bridge coupled to the pair of hinge pieces is formed thin.

JP 2005-239268 A JP 2007-320589 A

  In each of the above documents, the cap body and the lid body and the hinge mechanism are integrally formed, and the elastic mechanism is used to urge the lid body in the opening direction. Instead of a mechanism that opens as soon as the body is unlocked, a mechanism is employed in which the hinge mechanism operates after the lid is opened to some extent from the closed state and automatically opens from that point.

  The present invention includes a locking means for locking the lid body to the cap body, and includes an opening direction biasing means for constantly biasing the lid body in the opening direction from that state. The present invention proposes an easy-to-use one-touch opening and closing cap that is provided with an unlocking means for releasing the locking so that the lid can be opened with one touch. In addition, we propose a cap that is simple in structure and easy to assemble. Furthermore, the cap which also has the advantage which can express unused is proposed.

  The first means is configured as follows. That is, a cap body A1 that is fitted and fixed to the container body B, a lid body A2 that can be opened and closed on the top surface of the cap body A1, and a locking means that locks the front portion of the lid body A2 at the front portion of the cap body A1. And an unlocking means for unlocking the lid body A2 and an opening direction biasing means for the lid body A2. The opening direction biasing means for the lid body A2 is fixed at one end to the upper rear end of the cap body A1. The elastic plate 41 is provided such that the free end that is the other end reaches the rear lower end surface of the lid peripheral wall portion 20 in the opened state, and the elastic plate 41 is folded back from the intermediate portion by closing the lid A2 in the opened state. The lid A2 in a closed state is always urged in the opening direction by being elastically deformed.

  The second means is configured as follows. That is, in the first means, the inner wall position of the rear wall portion 20 of the rear portion of the lid body A2 reaches the lower surface position of the top wall portion 21 of the rear portion of the lid body A2, and when the lid body A2 is closed from the opened state, it is elastic. A sliding surface 30 on which the leading edge of the plate 41 slides was provided.

  The third means was configured as follows. That is, in the second means, the sliding surface 30 is formed by the lower end surfaces of the plurality of plate-like protrusions 32 suspended from the rear corner of the lid A2.

  The fourth means is configured as follows. That is, in any one of the first to third means, it is located at the rear corner of the lid A2 on both sides of the elastic plate 41 when the lid A2 is closed from the opened state. A pair of guide walls 31 is provided.

  The fifth means is configured as follows. That is, in any one of the first to fourth means, the elastic member A3 fits and fixes the base 40 in the recess 15 formed in the rear of the top plate 11 of the cap body A1. The elastic plate 41 is integrally extended from the upper end of the base 40 to the rear while being mounted.

  The sixth means is configured as follows. In other words, in any one of the first to fifth means, the hook 24 that is suspended from the front part of the lid A2 is protruded from the front part of the cap body A1. The locking release means is configured to be releasably engaged with the stop projection 14, and the pressing plate 25 that protrudes elastically swingably at the front end of the lid A2 and extends from both sides of the rear portion of the pressing plate 25. The free end is composed of a pair of support elastic plates 26 supported on the top surface of the top plate 11 of the cap body A1.

  The seventh means is configured as follows. That is, in any one of the first to sixth means, the sealing band 33 covering the front surface of the lid A2 is provided so as to be cut off.

  According to the present invention, since the above-described elastic member A3 includes the opening direction urging means of the lid A2, and also includes the locking means of the lid A2, the lid A2 is locked. At this time, the lid A2 is always urged in the opening direction. When the locking of the lid is released by the action of the locking release means, the lid can be easily opened with one touch. Since the elastic member A3 has a simple structure, there is an advantage that it can be easily assembled to the cap body A1.

  Slide from the inner surface position of the peripheral wall portion 20 of the rear portion of the lid A2 to the lower surface position of the top wall portion 21 of the rear portion of the lid body A2, and when the lid A2 is closed from the opened state, the leading edge of the elastic plate 41 slides. When the surface 30 is provided, the end of the elastic plate 41 slides on the sliding surface 30 when the cover A2 is closed from the opened state, so that the elastic plate 41 can be smoothly folded back, There is no risk of inconvenience such as the elastic plate 41 being caught on A2.

  When the sliding surface 30 is formed by the lower end surfaces of the plurality of plate-like protrusions 32 that are suspended from the rear corner of the lid A2, the tip of the elastic plate 41 is formed by the presence of a space between the plate-like protrusions 32. Thus, the sliding of the elastic plate 41 can be performed more smoothly.

  When the pair of guide walls 31 located on both sides of the elastic plate 41 are provided at the rear corner of the lid A2 when the lid A2 is closed from the opened state, the lid A2 is closed from the opened state. At this time, the elastic plate 41 can be folded back without causing the tip edge to sway from side to side. Therefore, in this case, the elastic plate 41 can be folded back more smoothly.

  The elastic member A3 has the base 40 fitted and fixed in a recess 15 recessed in the rear of the top plate 11 of the cap body A1, and the elastic plate 41 is integrally extended backward from the upper end of the base 40. In this case, the assembly of the elastic member A3 to the cap body A1 is extremely easy.

  The locking means is configured by releasably engaging a hook 24 suspended from the front part of the lid A2 with a locking projection 14 protruding from the front part of the cap body A1, and the locking release means A pressing plate 25 projecting elastically swingably at the front end of the body A2, and a pair of supporting elastic plates 26 extending from both sides of the rear portion of the pressing plate 25 and having the free ends supported on the top surface of the top plate 11 of the cap body A1; In the case of the configuration, there is an advantage that when the lid A2 is unlocked, the latch can be easily released with one touch even with a weak force by the principle of scissors.

  When the sealing band 33 covering the front surface of the lid A2 is provided so as to be cut off, it is possible to express that the attached container is not used, and there is an advantage that the reliability of the container is increased.

It is a longitudinal cross-sectional view of the cap with which the container body was mounted | worn. Example 1 It is a top view of the open state of a cap. Example 1 It is a principal part expanded sectional view in the front part of a cap. Example 1 It is a principal part expanded sectional view in the lid opening state of the cap rear part. Example 1 It is a principal part expanded sectional view in the closed state of a cap rear part. Example 1

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 5 show an example of a one-touch opening / closing cap A (hereinafter simply referred to as a cap A).

  The cap A includes a cap body A1 that is fitted and fixed to the container body B, a lid body A2, and an elastic member A3. The container body B is formed of a material such as synthetic resin or glass, with a wide-mouthed neck portion 102 standing from the upper end of the cylindrical body portion 100 via a shoulder portion 101. A locking protrusion 103 is provided around the outer periphery of the mouth and neck portion 102.

  The cap body A1 is a seal cylinder in which a flange-like top plate 11 extends inward from the upper edge of the peripheral wall 10 to be fitted to the outer periphery of the mouth-and-neck portion 102, and is tightly fitted to the inner periphery of the mouth-and-neck portion 102 from the lower surface of the top plate 11. 12 are installed vertically. Further, the opening cylinder 13 is erected from the inner peripheral edge of the top plate 11, and a locking projection 14 that constitutes a locking means for the lid A2 is provided on the front surface of the opening cylinder 13. Furthermore, a concave portion 15 for fixing the elastic member A3 is provided in the rear portion of the top plate 11.

  The lid A2 is integrally formed with the cap main body A1 and a synthetic resin, has a bottom plate shape with the top wall portion 21 extending from the upper end edge of the peripheral wall portion 20, and the rear lower end of the peripheral wall portion 20 has a hinge 22. Via the upper end of the rear portion of the peripheral wall 10 of the cap body A1. In addition, a seal cylinder portion 23 that detachably fits from the back surface of the top wall portion 21 to the inner periphery of the opening cylinder 13 is suspended. Further, a hook 24 that engages with the locking projection 14 of the cap body A1 is suspended from the front portion of the top wall portion 21, and the locking projection 14 and the hook 24 constitute locking means. The hook 24 is suspended from the lower surface of the protrusion at the center of a notch recess described later.

  Moreover, the latch release means which cancels | releases the said latch means is provided. The unlocking means is composed of a pressing plate 25 projecting from the front end of the lid so as to be elastically swingable, and a supporting elastic plate 26 extending from the pressing plate 25 and having the free end supported by the top plate 11 of the cap body. is doing. By pushing up the end of the pressing plate 25, the front end of the lid A2 is rotated in the opening direction.

  In the illustrated example, as shown in FIG. 2, a notch recess 27 is formed in the front portion of the top wall portion 21, and protrudes in the center of the notch recess 27, in front of the projection 28 constituting a part of the top wall portion 21. The pressing plate 25 is extended through an elastic U-plate 29 so that it can be elastically swung. The U-shaped plate 29 has one upper edge integrally connected to the tip edge of the protrusion 28 and the other upper edge is integrally connected to the center of the rear edge of the pressing plate 25 so that the elastic movement of the pressing plate 25 is achieved. It is configured as possible. The pressing plate 25 has an arc shape whose outer edge is substantially the same diameter as the outer periphery of the top wall portion 21. A pair of support elastic plates 26 extend from both sides of the pressing plate 25, and each of the support elastic plates 26 has an arcuate plate shape that descends backward at the positions on both sides of the protrusion 28.

  In the present invention, an opening direction urging means for the lid A2 is provided. The opening direction biasing means is provided with an elastic plate 41 that fixes one end to the upper rear upper end of the cap body A1, and the free end that is the other end reaches the lower lower end surface of the lid peripheral wall portion 20 in the opened state, and opens the lid in the opened state. By closing the body A2, the elastic plate 41 is elastically deformed so as to be folded back from the intermediate portion, and the lid A2 in the closed state is constantly urged in the opening direction.

  In the illustrated example, the opening direction urging means is configured using an elastic member A3. The elastic member A3 is formed of a flexible and elastic material such as silicone rubber. As shown in FIG. 2 or FIG. 4, the elastic member A3 is formed from the rear upper edge of the base 40 fitted and fixed in the recess 15 of the cap body A1. An elastic plate 41 extending to the lower end surface of the rear portion of the lid peripheral wall portion 20 in the 180 ° open state is extended. As shown in FIG. 1 or FIG. 5, the elastic plate 41 is folded by closing the lid A2, and the elastic restoring force constantly biases the lid A2 in the opening direction.

  Further, in this example, the sliding surface 30 and the guide wall 31 are provided on the lid A2 so that the elastic plate 41 can be folded back and restored more smoothly. The sliding surface 30 extends from the inner surface position of the peripheral wall portion 20 at the rear portion of the lid A2 to the lower surface position of the top wall portion 21 at the rear portion of the lid A2, and when the lid A2 is closed from the opened state, the leading edge of the elastic plate 41 Slides.

  In the illustrated example, as shown in FIG. 2, each lower end surface of a plurality of plate-like protrusions 32 suspended from the rear corner of the lid A2 is configured as a sliding surface 30. The lower end surface of each plate-like protrusion 32 is curved in an arc shape as shown in FIG. Note that the configuration of the sliding surface 30 is not limited to this, and may be a wide slope connected to each plate-like protrusion 32, for example. Moreover, it is not limited to an arcuate curved surface, but may be an inclined surface.

  The guide wall 31 is provided to prevent the elastic plate 41 from being deflected in the left-right direction when the elastic plate 41 is folded back or restored, and the lid A2 from the opened state to the rear corner of the lid A2. A pair located on both sides of the elastic plate 41 is provided when the elastic plate 41 is closed, and is provided at an interval slightly wider than the width of the elastic plate 41.

  In this example, a sealing band 33 for expressing unused is provided. The sealing band 33 is provided on the front surface of the lid A2 so as to be cut off, and is configured so that the lid cannot be opened unless it is removed. In the illustrated example, as shown in FIGS. 2 and 3, an arc plate-shaped sealing band 33 covering the front side of the pressing plate 25 can be cut from both side positions of the notch recess 27 via a bar-like easily cut connecting piece 34. Provided. The lower surface of the sealing band 33 is placed on the upper surface of the front end edge of the top plate 11, and has a unique structure formed integrally with the lid A2.

  As shown in FIG. 1, the cap A configured as described above has the cap body peripheral wall 10 fitted to the outer periphery of the mouth neck portion 102, and the engaging protrusion 16 on the inner surface of the peripheral wall 10 is engaged with the locking protrusion on the outer periphery of the mouth neck portion 102. The seal tube 12 is fitted over the inner periphery of the mouth and neck portion 102 and attached to the container body B.

  In use, from the state of FIG. 1, each connecting piece 34 is cut by forcibly peeling to remove the sealing band 33, and then the front part of the pressing plate 25 is pushed up so that the front end of the lid A <b> 2 is upward. And the hook 24 and the locking projection 14 are disengaged. At this time, the cover A2 is opened by the elastic restoring force of the elastic plate 41, and the elastic plate 41 extends into a plate shape as shown in FIG. 2 or FIG.

  After use, if the lid A2 is closed, the tip of the elastic plate 41 is folded back from the center while sliding on the sliding surface 30, and the hook 24 is passed over and engaged with the locking projection 14 and sealed in FIG. The belt 33 is removed.

A ... One-touch cap
A1… Cap body
10 ... peripheral wall, 11 ... top plate, 12 ... seal cylinder, 13 ... opening cylinder, 14 ... locking projection, 15 ... recess,
16 ... engaging ridge
A2: Lid
20 ... peripheral wall, 21 ... top wall, 22 ... hinge, 23 ... seal tube, 24 ... hook,
25 ... Pressing plate, 26 ... Support elastic plate, 27 ... Notch recess, 28 ... Projection, 29 ... U-plate,
30 ... Sliding surface, 31 ... Guide wall, 32 ... Plate projection, 33 ... Sealing band, 34 ... Connecting piece
A3 ... Elastic member
40 ... Base, 41 ... Elastic plate B ... Container
100 ... trunk, 101 ... shoulder, 102 ... mouth and neck, 103 ... locking ridge

Claims (7)

  A cap body A1 that is fitted and fixed to the container body B; a lid body A2 that is openable and closable on the top surface of the cap body A1; and a locking means for locking the front portion of the lid body A2 at the front portion of the cap body A1; An unlocking means for releasing the locking of the lid A2, and an opening direction biasing means of the lid A2, the opening direction biasing means of the lid A2 has one end fixed to the upper rear end of the cap body A1, An elastic plate 41 is provided in which the free end that is the other end reaches the rear lower end surface of the lid peripheral wall portion 20 in the opened state, and the elastic plate 41 is elastically folded back from the intermediate portion by closing the lid A2 in the opened state. A one-touch opening / closing cap configured to be deformed so that the lid A2 in the closed state is always urged in the opening direction.   Slide from the inner surface position of the peripheral wall portion 20 of the rear portion of the lid A2 to the lower surface position of the top wall portion 21 of the rear portion of the lid body A2, and when the lid A2 is closed from the opened state, the leading edge of the elastic plate 41 slides. The one-touch opening and closing cap according to claim 1, further comprising a surface 30.   The one-touch opening / closing cap according to claim 2, wherein the sliding surface 30 is formed on each lower end surface of a plurality of plate-like projections 32 suspended from the rear corner of the lid A2.   The pair of guide walls 31 positioned on both sides of the elastic plate 41 when the lid A2 is closed from the opened state are provided at the rear corners in the lid A2. One-touch opening and closing cap as described.   The elastic member A3 has the base 40 fitted and fixed in a recess 15 recessed in the rear of the top plate 11 of the cap body A1, and the elastic plate 41 is integrally extended backward from the upper end of the base 40. The one-touch opening and closing cap according to any one of claims 1 to 4.   The locking means is configured by releasably engaging a hook 24 suspended from the front part of the lid A2 with a locking projection 14 protruding from the front part of the cap body A1, and the locking release means A pressing plate 25 projecting elastically swingably at the front end of the body A2, and a pair of supporting elastic plates 26 extending from both sides of the rear portion of the pressing plate 25 and having the free ends supported on the top surface of the top plate 11 of the cap body A1; The one-touch opening and closing cap according to any one of claims 1 to 5, comprising:   The one-touch opening and closing cap according to any one of claims 1 to 6, wherein a sealing band 33 covering the front surface of the lid A2 is provided so as to be cut off.