JP2007091272A - Cap opener - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cap opener so designed as to open the cap by forming a plurality of engaging holes corresponding to caps of different diameters, allowing the selection of an engaging hole matching the diameter of a cap, and making it possible to stably bring the engaging hole into contact with the periphery of a cap with less gripping force. <P>SOLUTION: The cap opener includes a cap engaging section that has an engaging hole corresponding to a cap and two ends defined by notching a part of the circumference of the engaging hole. The cap opener also includes a pair of grips continuous with the corresponding ends of the cap engaging section. In the cap opener, the cap engaging section is provided with thin walls by forming vertical grooves in particular parts of the engaging section. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an opening device such as a bottle mouth cap.

  Cap opening that is tightly screwed into the bottle mouth and inserted into the bottle mouth cap and rotated and opened so that it can be opened easily in correspondence with caps of different sizes. The instrument is known conventionally (for example, refer patent documents 1 and 2).

  The cap opening device described in Patent Document 1 has a movable part (15) that can be moved forward and backward with respect to the main body (10), and a cap (columnar lid (11)) with a different diameter can be inserted into the main body (10). An arcuate groove (12) is formed, and the movable part (15) is provided with an arcuate part (14). Caps (columnar lids) of various containers are formed by the arcuate groove (12) and the arcuate part (14). 11)) can be gripped and rotated.

The cap opening / closing device described in Patent Document 2 includes a cap support (30) having an arcuate recess (33) with a tooth portion (34) meshing with the knurled portion of the cap, and an operation portion (52) at the tip. The provided screw portion (12) is screwed into the nut portion (22) provided on the plate portion (11), and the cap is clamped by tightening the screw portion (12) according to the size.
Japanese Utility Model Publication No. 7-33897 JP 2003-170997 A

However, in the opening device described in Patent Document 1, the cap is gripped by holding the main body and the movable part with fingers, so that the gripping force varies depending on the person, and the gripping force is fixed when the bottle is fixed and the cap is gripped and rotated. There was a problem that people with weak powers could not rotate the cap.
Further, when the opening device is rotated by a certain angle, the grip of the cap must be removed and the cap must be gripped again, resulting in poor operability.

The opening device described in Patent Document 2 has a problem in that the operability is not good because the operation portion (52) is picked and the screw portion (12) is rotated to tighten the cap in accordance with the size of the cap.
Further, if the knurling is not formed on the cap itself, the opening device rotates idly, and the metal cap, for example, a knurling such as a drink nutrient cannot be opened.

  An object of the present invention is to provide a plurality of engagement holes corresponding to caps having different diameters, select an engagement hole corresponding to the cap diameter, and engage with a small gripping force. An object of the present invention is to provide a cap opening device in which a hole is stably brought into close contact with the outer periphery of the cap so that the hole can be opened.

  In order to solve the above-mentioned problems, the present invention provides a cap opening portion as a cap opening device, provided with an engagement hole corresponding to the cap, and a portion of the circumference cut out to form two end portions, and the cap A cap opening device composed of a pair of grips arranged continuously at the end of the engaging portion, wherein a longitudinal groove is cut at a predetermined position of the cap engaging portion, and a thin portion is provided in the cap engaging portion. The structure characterized by this is adopted.

  As an example of the thin-walled portion, the thin-walled portion is provided at the center portion of the cap engaging portion or at two positions separated from the central portion, and the thin-walled portion is bent by grasping the grip handle, and the cap engaging portion is the cap. A structure characterized by being closely attached to the outer periphery, or a thin portion is provided at a central portion of the cap engaging portion and at a symmetrical position separated from the central portion by a predetermined distance. Adopt the configuration.

As an embodiment of the engagement hole, a structure having a plurality of engagement holes with different diameters and projecting a plurality of engagement pieces along the edge of the engagement hole with the minimum diameter is provided. adopt.
The end edge portion includes an outer end portion of the engagement hole or an inner end edge on the boundary side with another engagement hole.

  Since the cap opening device of the present invention has a thin portion formed in the cap engaging portion, the thin portion is bent and the cap engaging portion is easily bent by grasping the grip handle. The hole can be brought into close contact with the outer periphery of the cap, and can be opened with a small force.

  Next, examples of the cap opening and closing device of the present invention will be described with reference to the drawings.

1 and 2, reference numeral 1 denotes a cap engaging portion having a notch 2 at one place on the circumference, and 3 denotes a pair of grips connected to both end portions 4 of the notch 2 of the cap engaging portion 1. is there.
The cap engagement portion 1 includes a large-diameter circular engagement hole 5 and a medium-diameter circular engagement hole 6. A circumferential surface having a smaller diameter than the engagement hole 6 is provided at the lower end of the engagement hole 6. At least three engaging pieces 7 project at equal intervals.

On the opposite side of the notch 2 of the cap engaging portion 1, that is, in the center portion of the cap engaging portion, a vertical groove 8 passing through the engaging hole 5 and the engaging hole 6 is formed. Part 9 is formed.
Knurls 10 each having a certain width are provided on the surfaces of the engagement hole 5 and the engagement hole 6 so as to be symmetrically located at a certain distance from the thin-walled portion 9.

  The grip handle 3 is formed of a flat plate 11 and a side peripheral wall 12 erected along the periphery thereof, and the flat plate 11 is a linear edge extending radially from the engaging portion end portions 4 on both sides of the notch 2. 13 and an arc edge 14 having a fixed length following the tip of the straight edge 13, and a curved line edge 15 extending from the arc edge 14 in the direction of the cap engaging portion 1 and curved so as to make it easier to grip the handle 3. Yes.

The side peripheral wall 12 includes a flat wall 16, an arc peripheral wall 17, and a curved peripheral wall 18 erected from the peripheral edges of the straight edge 13, the arc edge 14, and the curved line edge 15.
Reinforcing ribs 19 are installed on the peripheral wall of the cap engaging portion 1 and the peripheral wall near the connecting portion of the curved peripheral wall 18, and the protrusion 20 for preventing slippage is formed on the arc peripheral wall 17 and a part of the curved peripheral wall 18. Projected.

Next, the usage mode and effect of the cap opening instrument of the present embodiment will be described.
When using the cap opening device, when opening the large-diameter cap C1, as shown in FIG. 3A, the opening device is inserted into the large-diameter cap C1 from the large-diameter engagement hole 5 side, and the handle 3 The engagement hole 5 can be brought into close contact with the outer periphery of the large-diameter cap C1.
At that time, the thin-walled portion 9 of the cap engaging portion 1 is bent, and the engaging hole 5 is brought into close contact with the outer peripheral surface of the large-diameter cap C1 with a strong force even with a small force.

  Next, when the handle 3 is grasped and rotated counterclockwise, the large-diameter cap C1 is opened, and then the large-diameter cap C1 is removed by rotating the cap with fingers as usual. Can do.

When opening the medium-diameter cap C2, as shown in FIG. 3B, the medium-diameter cap C2 is covered from the large-diameter engagement hole 5 side, and the medium-diameter engagement hole 6 is engaged with the medium-diameter cap C2. When the handle 3 is gripped from both sides, the engagement hole 6 comes into close contact with the outer periphery of the medium diameter cap C2, and then when the handle 3 is turned counterclockwise, the medium diameter cap C2 is opened and removed. be able to.
At that time, the engagement piece 7 also engages with the top surface of the medium diameter cap C2 and acts to prevent the medium diameter cap C2 from coming out of the cap engagement portion 1.

   When opening the small-diameter cap C3, the opening device is turned upside down, the locking piece 7 is fitted on the small-diameter cap C3, and the grip handle 3 is tightened. The outer periphery of the small-diameter cap C3 is tightened to rotate the grip handle 3 As a result, the small-diameter cap C3 can be rotated.

Therefore, according to the present embodiment, by fitting the engagement hole of the cap engagement hole 1 to the outer periphery of the cap and tightening the grip handle 3 with a small force, the thin wall portion is bent and the cap engagement portion 1 is bent, It can be opened and closed by bringing the inner surface of the joint hole into close contact with the outer periphery of the cap and rotating it as it is.
At this time, since the knurling is provided on the inner peripheral surface of each engagement hole, the close contact is strengthened, and the tightening and rotation are surely performed.
After opening, it can be removed by turning the cap normally.

  In addition, since the engagement hole and the engagement piece corresponding to the outer diameter of the cap are provided, the large, middle and small caps having different outer diameters can be made in time with one opening device.

Next, a description will be given of a second embodiment in which the number of grooves on the inner surface of the cap engaging portion is increased and thin portions are formed on the left and right.
As shown in FIG. 4, in the cap engaging portion 1, two thin portions 26 are formed by carving the vertical grooves 25 at positions opposed to the vertical grooves 8 at substantially right angles.

  In use, since it bends at the three portions of the thin portion 8 and the thin portions 26 and 26, even if the handle 3 is fastened to the cap with a small force, it can be more easily adhered to the outer periphery and can be reliably tightened.

Next, a third embodiment in which the cap engagement holes are increased will be described.
5 and 6, reference numeral 1a denotes a cap engaging portion having a notch 2a at one location, and 3a denotes a grip handle extending radially from both side ends 4a and 4a of the notch 2a of the cap engaging portion 1a. It is.

The cap engaging portion 1 a is formed with a medium-diameter circular engagement hole 30, a small-diameter circular engagement hole 31, and a large-diameter circular engagement hole 32 from above, and at the lower end of the engagement hole 31, Engagement pieces 33 whose inner surface is a circumferential surface having a diameter smaller than that of the engagement hole 31 are projected at equal intervals.
A pair of vertical grooves 34 are carved through engagement holes 30, 31, 32 at a predetermined position on the circumference across the center line of the cap engagement portion 1 a, and a thin portion 35 is formed.

  On the inner surfaces of the engagement holes 30, 31, 32, a knurl 36 is provided on the inner peripheral surface outside the vertical grooves 34, 34 over a predetermined width.

  The grip handle 3a is formed by a flat plate 37 and a side peripheral wall 38 standing from the periphery thereof. The flat plate 37 continues to the straight edge 39 and the straight edge 39 extending radially from both side ends 4a of the notch 2a. The arc edge 40 has a fixed length, and a curved line edge 41 that is curved so that the grip handle 3a can be easily grasped following the end of the arc edge 40.

The side peripheral wall 38 includes a flat wall 42, a peripheral wall 43, and a curved peripheral wall 44 erected from the respective peripheral edges of the straight edge 39, the arc edge 40, and the curved line edge 41, and the peripheral wall of the cap engaging portion 1 a. A reinforcing rib 45 is provided near the connecting portion of the curved peripheral wall 44, and an anti-slip convex portion 46 is provided at a fixed portion of the curved peripheral wall 44.

Next, the function and effect of this embodiment will be described.
In use, when opening the large-diameter cap C1a, when the large-diameter circular engagement hole 32 is engaged and the grip handle 3a is gripped, the two thin portions 35 are bent, and the engagement hole 32 is large-diameter. The cap C1a is in close contact with the outer periphery.
Next, when the grip handle 3a is rotated counterclockwise, the large-diameter cap C1a can be opened.
After opening, the cap can be removed by rotating the large-diameter cap C1a.

When opening the medium diameter cap C2a or the small diameter cap C3a, the cap engagement portion 1a is turned upside down. In the case of the medium diameter cap C2a, the engagement hole 30 and in the case of the small diameter cap C3a, When the joint hole 31 is fitted on the cap and the grip handle 3a is gripped, the two thin portions 35 are bent, and the engagement hole 30 or the engagement hole 31 corresponding to the cap can be brought into close contact.
At that time, the engagement piece 33 is engaged with the top surface of the small-diameter cap C3a so that the unsealing instrument does not fall off.

Next, the cap can be opened by gripping the handle 3a and turning it counterclockwise.
When the cap is smaller than the small-diameter cap C3a, when the engaging piece 34 is engaged with the cap and the grip handle 3a is gripped, the two thin portions 35 are bent, and the engaging piece 34 is placed on the outer periphery of the cap. The cap can be opened, and the cap can be opened by rotating the grip handle 3a while gripping it.

  Therefore, in this example, it can be used for caps with four different diameters, and otherwise, the same operational effects as in the first embodiment can be obtained.

  In the present invention, since the cap engaging portion is thin and easily bent, the inner surface of the engaging portion is easily brought into close contact with the outer peripheral surface of the cap and can be used for caps of various diameters.

It is a perspective view of the cap opening instrument of 1st Example of this invention. It is explanatory drawing of a cap opening instrument, (a) is a top view, (b) is a cross-sectional elevation view. It is explanatory drawing at the time of opening of a cap opening instrument, (a) is a large diameter cap, (b) is a medium diameter cap, (c) is a figure which shows the time of engagement to a small diameter cap. It is explanatory drawing of the cap opening instrument of 2nd Example, (a) is a top view, (b) is a cross-sectional elevation view. It is the perspective view seen from the downward direction of the cap opening instrument of 3rd Example. It is explanatory drawing of a cap opening instrument, (a) is a top view, (b) is a cross-sectional elevation view, (c) is a bottom view.

Explanation of symbols

C1, C1a Large diameter cap C2, C2a Medium diameter cap C3, C3a Small diameter cap 1, 1a Cap engaging part 2, 2a Notch 3, 3a Grip handle 4, 4a Both end parts 5, 32 Engaging hole 6, 30 Engagement Joint hole 7, 33 Engagement piece 8, 25 Longitudinal groove 9, 26, 35 Thin portion 10, 36 Knurl 11 Flat plate 12 Side peripheral wall 13 Linear edge 14 Arc edge 15 Curved line edge 16 Plane wall 17 Arc peripheral wall 18 Curved peripheral wall 19, 45 Reinforcement rib 20 Projection line 31 Engagement hole 34 Vertical groove 37 Flat plate 38 Side peripheral wall 39 Linear edge 40 Arc edge 41 Curved line edge 42 Planar wall 43 Circular wall 44 Curved peripheral wall

Claims (4)

An engagement hole corresponding to the cap is provided, and a cap engagement portion in which a part of the circumference is cut out to form two end portions, and a pair of grips connected to the end portions of the cap engagement portion. A cap opening device,
A cap opening device, wherein a longitudinal groove is cut at a predetermined position of a cap engaging portion, and a thin portion is provided in the cap engaging portion.   The thin part is provided at the center part of the cap engaging part or at two positions apart from the central part, and the thin part is bent by gripping the grip handle so that the cap engaging part is in close contact with the outer periphery of the cap. The cap opening device according to claim 1.   The cap opening device according to claim 1 or 2, wherein the thin portion is provided at a central position of the cap engaging portion and at a symmetrical position separated from the central portion by a predetermined distance.   The cap opening device according to claim 1, further comprising a plurality of engagement holes having different diameters, and a plurality of engagement pieces projecting along an edge portion of the engagement hole having the smallest diameter. .

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