JP2005126104A - Cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To propose a cap which is equipped with a lid 3 to be capable of opening/closing a cap body 2 to be mounted on a mouth of a container body or the like, has no inconvenience that the lid is too rigidly engaged with the body to remove, and has no inconvenience that it is easily opened by external force because of being surely locked on the body after once closed. <P>SOLUTION: A pair of right and left arms 17 surrounding the outer periphery of the cap body from a rear end coupled with the back of the body are provided to be elastically deformable inwardly on the upper part of the outer periphery of the cap body 2. A hook 18 standing from each of the arms is engaged with the inner periphery of a lid peripheral wall 12 to be inwardly separable, and a sliding surface 22 for pushing up a protruding piece 21 suspending from the front of the lid 3 between arm tips is formed on the leading end surface of each arm. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a cap, and more particularly to a cap provided with a lid so as to be openable and closable on a main body to be mounted on a mouth and neck of a container body or the like.

  As the cap, there has been proposed one comprising a main body fitted to a container body and a lid body hinged to a rear portion of the main body and provided on the upper surface thereof so as to be opened and closed (see, for example, Patent Document 1). ).

The cap has a main body in which a top wall with a spout is extended from the upper end of a peripheral wall that fits into the container neck and neck, and a lid that is hinged to the rear of the main body so that the top of the main body can be opened and closed. The engaging projection projecting from the front portion of the lid body is engaged with the engaging projection projecting from the front portion of the main body to maintain the closed state.
JP 2003-191998 A

  The conventional cap as described above forcibly engages and engages the engaging projection with the locking projection when the lid is closed, and similarly climbs and disengages when the lid is opened. Therefore, the higher the engagement strength, the more difficult it is to get over and the more difficult it is to open and close the lid. On the other hand, if the engagement strength is made small to make it easy to get over, problems such as the easy disengagement due to external force and the opening of the lid will occur.

  The present invention has been made in view of the above points, and when opening and closing the lid, there is no inconvenience that the lid body is firmly engaged with the main body and is not easily detached, and the lid can be easily opened. The lid, which is closed at one end, is securely locked to the main body and has no inconvenience such as easy opening by an external force, and proposes a cap that is simple in structure and can be manufactured at low cost.

  In order to solve the above-mentioned problems, the cap of the present invention has a cap body 2 having a spout 4 and a rear portion rotatably connected to the rear portion of the body so that the upper surface of the cap body can be opened and closed. A pair of left and right arms 17 that surround the outer periphery of the main body from the rear end connected to the rear part of the cap main body 2 at the upper outer periphery of the cap main body 2. The hook 18 erected from each arm 17 is engaged with the inner surface of the lid peripheral wall 12 so as to be detachable inward, and is suspended from the front of the lid 3 between the tips of the arms. A cap characterized in that a sliding surface 22 for pushing up the projecting piece 21 is formed on the distal end surface of each arm 17.

  In the cap of the present invention, the sliding surface 22 is an inclined surface 23, both sides of the lower surface of the protruding piece 21 are tapered surfaces 24, and the inclined surface 23 of the arm 17 is the tapered surface 24 of the protruding piece 21. The cap according to claim 1, wherein the cap is configured to slide up and push up the protruding piece 21.

  The cap according to the third aspect of the present invention is configured as the cap according to the first aspect of the present invention, wherein the lid 3 is always urged in the opening direction.

  Further, the cap of the present invention according to claim 4 is configured as a cap according to claim 1 in which a housing recess 25 for housing each arm 17 is provided on the outer periphery of the cap body 2.

  In the cap of the present invention, the hook 18 is erected at the side portion of the cap body 2 and the pressing portion 20 for pushing the arm 17 is hung from the arm 17 below the hook. The cap according to claim 1 is provided.

  In the cap of the present invention, a pair of left and right arms 17 that surround the outer periphery of the main body from the rear end portion connected to the rear portion of the cap main body 2 at the upper part of the outer periphery of the cap main body 2 and extend forward are provided. A hook 18 erected from each arm 17 is provided so as to be elastically deformable, and is engaged with the inner surface of the lid peripheral wall 12 so as to be able to detach inward, and a projecting piece suspended from the front of the lid 3 between the arms. A sliding surface 22 that pushes up 21 is formed on the tip of each arm 17 so that it has sufficient engagement strength when it is closed and does not open accidentally due to external force. The locking of the lid 3 can be released easily and without requiring a large force.

  Further, the sliding surface 22 is an inclined surface 23, both sides of the lower surface of the protruding piece 21 are tapered surfaces 24, and the inclined surface 23 of the arm 17 slides on the tapered surface 24 of the protruding piece 21 to protrude the protruding piece. In the configuration configured to push up 21, there is an advantage that the projecting piece 21 can be pushed up more easily with a small force, and as a result, the opening operation can be easily performed with a smaller force.

  Further, in the case where the lid body 3 is always urged in the opening direction, the lid body 3 can be automatically opened following the unlocking of the lid body 3 by pushing in the arm 17, so that the handling is more convenient. Become.

  Further, in the case where the storage recess 25 for storing each arm 17 is provided on the outer periphery of the cap body 2, the external appearance is good with no excessive protrusion and the product value is high. It is difficult to be affected, and it is possible to prevent inadvertent pushing-in of the arm by external force and inadvertent opening in conjunction with it.

  In addition, the hook 18 is erected at the side portion of the cap body 2 and the pressing portion 20 for pushing the arm 17 is suspended from the arm 17 below the hook. Since the pressing portion is substantially in the same position as the position of the hook 18, there is an advantage that the hook 18 can be moved in an ideal direction to smoothly release the engagement.

  The drawing shows an example of the cap of the present invention, and the cap 1 includes a cap body 2 and a lid 3. Both are integrally formed of synthetic resin, but may be configured to be separately formed and assembled.

  The cap body 2 is fitted and fixed to the mouth and neck of a container body or the like, and includes a spout 4, and is configured to pour out a stored item in the container body or the like from the spout 4. Moreover, the fitting cylinder 7 fitted to the outer periphery of the mouth neck portion 6 of the container body 5 is suspended from the back surface of the top wall 8, and the peripheral wall 9 is suspended from the periphery of the top wall 8 in a double cylindrical shape. . Moreover, the center part of the top wall 8 is formed in the bulging part 10 which bulged in the dome shape, and the said spout 4 is opened in the top part. Further, a seal cylinder 11 is provided in close contact with the inner periphery of the mouth neck 6 from the lower surface of the top wall 8 inside the fitting cylinder 7.

  The lid 3 has a rear part rotatably connected to the rear part of the cap body 2, and the upper surface of the cap body 2 can be opened and closed. The top tube 13 has a top wall 13 extending from the upper end of the peripheral wall 12. The rear lower end of the peripheral wall 12 is rotatably connected to the rear upper end of the cap body 2 via a hinge 14. Further, on both sides of the hinge 14, an elastic plate portion 15 is stretched between the cover peripheral wall 12 and the cap main body peripheral wall 9 so that the cover 3 is always urged in the opening direction. The elastic plate portion 15 has a meandering plate shape, and is not deformed or almost not deformed when the lid is opened. The elastic plate portion 15 is configured to be compressed and elastically deformed when the lid 3 is closed, and is opened by the elastic restoring force. Yes. The means for urging the lid 3 in the opening direction is not limited to this, and a known means using an elastic plate portion having another configuration can be adopted, and a torsion spring can also be used. In addition, a cylinder 16 that is fitted to the outer periphery of the bulging portion 10 and closes the spout 4 is suspended from the back surface of the top wall 13.

  In the present invention, the cap body 2 is provided with a pair of arms 17 for controlling the locking of the lid 3 and releasing it. The arms 17 are provided in the upper part of the outer periphery of the cap body 2 from the rear end connected to the rear part to the front part while surrounding the outer periphery of the cap body 2 so as to be elastically deformable inward. Each arm 17 is configured to maintain a closed state of the lid 3 by engaging a hook 18 standing above the arm 17 with an inner surface of the peripheral wall 12 of the lid 3 so as to be detachable inwardly.

  In the illustrated example, the hooks 18 are erected at the side portions of the cap body 2, and the engagement holes 19 are formed on both sides of the lid peripheral wall 12 so as to protrude outward from the hooks 18. The engaging protrusion 18a to be engaged is engaged. The engagement between the hook 18 and the inner surface portion of the lid body peripheral wall 12 is not limited to the combination of the engagement protrusion 18a and the engagement hole 19, and the engagement recess is replaced with the inner surface portion of the lid body peripheral wall 12 instead of the engagement hole. It may be configured to be recessed and engage with the engaging projection 18a, or it may be configured to project the locking projection at a predetermined position on the inner surface of the lid peripheral wall 12 so as to get over the hook 18 and engage with it. It is. These engagements are performed by pressing each arm 17 inward, whereby each arm is elastically deformed inward, and accordingly, the hook 18 moves inward and the engagement projection 18a is disengaged from the engagement hole 19. Can be canceled. In addition, a pressing portion 20 for pushing the arm 17 from the arm 17 below the hook 18 is suspended. The pressing portion 20 is provided with a pressing protrusion 20a on the outer surface.

  Further, the distal end surface of each arm 17 is configured as a sliding surface 22 that slides and pushes up on a projecting piece 21 suspended between the distal ends of the arms from the front of the lid 3. In the illustrated example, each sliding surface 22 is configured as an upward inclined surface 23, and both lower surfaces of the projecting piece 21 are tapered surfaces 24 having substantially the same inclination angle as the inclined surface 23 of each arm 17. Each is formed. Therefore, when each arm 17 is pushed inward, each inclined surface 23 slides on the taper surface 24 and the projecting piece 21 is pushed up. The sliding surface 22 is not limited to an inclined surface but may be a curved surface as long as the sliding surface 22 can be slid and pushed up on the projecting piece 21.

  In the illustrated example, the cap body 2 is provided with a storage recess 25 for storing each arm 17 on the outer periphery of the peripheral wall 9. The storage recess 25 includes a belt-like portion 25a in which the outer peripheral upper end portion of the peripheral wall 9 is recessed inward in a belt shape, and a downward projecting portion 25b for storing the pressing portion 20 below both sides of the belt-like portion 25a. doing. Each arm 17 is integrally extended from the peripheral wall 9 portion at the rear end of the belt-like portion 25a of the housing recess 25 and is housed in the belt-like portion 25a, and the pressing portion 20 is placed in the downward projecting portion 25b. These inner side surfaces are configured to be able to be pushed inward with a predetermined gap d between them and the vertical wall surface of the opposing storage recess 25. For the convenience of molding, the rear wall of the downward projecting portion 25b, both side walls, the rear wall portion of the strip-like portion 25a continuous therewith, and a notch 26 formed by cutting out a part of the top wall 8 are provided.

  An example of using the cap 1 configured as described above will be described. First, when the pressing portions 20 on both sides are pushed in from the closed state of FIG. 2, each arm 17 is elastically deformed inward, and accordingly, each hook 18 is also moved inward, and its engaging projection 18a is engaged. Detach from the joint hole 19. At that time, each sliding surface 22 of each arm 17 slides with each tapered surface 24 of the projecting piece 21 to push the projecting piece 21 upward and push up the front portion of the lid 3. By this pushing-up, the lid 3 can be reliably opened even if the engagement protrusion 18a is not sufficiently disengaged from the engagement hole 19. The disengaged lid body 3 is rotated to a predetermined position by the urging force of each elastic plate portion 15 to complete the lid opening. Further, when the lid 3 is closed, the lid 3 may be rotated in the closing direction. At that time, the hooks 18 are pushed inward by the lid peripheral wall 12, and the engagement protrusions 18 a are connected to the lid peripheral wall. 12 Fits into the engagement hole 19 while sliding on the inner wall surface.

  In addition, this invention is not limited to an above-described Example, A various change is possible in the range which does not change the summary of this invention. For example, in the above embodiment, the arm 17 is formed integrally with the cap body 2, but the arm is formed separately from the cap body. For example, the belt-like portion 25a is provided in an annular shape and is fixedly fitted to the rear portion. A member having a similar arm projecting from the fixed base may be fitted to the cap body to have the same configuration as that shown in FIG.

It is a perspective view which shows the cover open state of this invention cap. (Example 1) It is a perspective view which shows the closed state of the Example. (Example 1) It is a longitudinal cross-sectional view which follows the AA line of FIG. (Example 1) It is a top view of the cap main-body part of the Example. (Example 1) It is explanatory drawing explaining the effect | action of the Example. (Example 1)

Explanation of symbols

2 ... cap body, 3 ... lid, 4 ... spout, 12 ... peripheral wall, 17 ... arm, 18 ... hook,
20 ... Pressing part, 21 ... Projection piece, 22 ... Sliding surface, 23 ... Inclined surface, 24 ... Tapered surface,
25 ... Storage recess

Claims (5)

  A cap body 2 having a spout 4 and a lid body 3 having a rear portion pivotably connected to the rear portion of the body so that the upper surface of the cap body can be opened and closed. A pair of left and right arms 17 that surround the outer periphery of the main body from the rear end portion connected to the rear portion of the cap main body 2 and extend forward are provided so as to be elastically deformable inward, and are erected from the arms 17. The hook 18 is engaged with the inner surface of the lid peripheral wall 12 so as to be able to be detached from the inner side, and a sliding surface 22 that pushes up a projecting piece 21 suspended from the front of each arm from the front of the lid 3 is formed on the front surface of each arm 17. A cap characterized by being formed.   The sliding surface 22 is an inclined surface 23, both sides of the lower surface of the protruding piece 21 are tapered surfaces 24, and the inclined surface 23 of the arm 17 slides on the tapered surface 24 of the protruding piece 21 to 2. The cap according to claim 1, wherein the cap is configured to be pushed up.   The cap according to claim 1, wherein the lid body 3 is normally urged in the opening direction.   The cap according to claim 1, wherein a housing recess 25 for housing each arm 17 is provided on the outer periphery of the cap body 2.   2. The cap according to claim 1, wherein the hook is erected at a side position of the cap body and a pressing portion for pushing the arm is suspended from the arm below the hook.

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