JP4879260B2 - Cap loss prevention tool - Google Patents

Description

  The present invention relates to a cap loss prevention tool that can prevent the cap from being lost when the opening of the container is detachably closed with a circular cap.

Conventionally, various cap loss prevention tools have been proposed (see, for example, Patent Document 1).
Japanese Utility Model Publication No. 3-24922 (FIG. 1)

  In FIG. 1 of Patent Document 1, the connecting member 11 includes a holding ring portion 13 provided on the inner periphery with a comb-like portion 14 that fits in the fitting groove portion 6 formed on the outer periphery of the grip portion 3 of the cap body 1. The string-like part 17 extending from the outer periphery of the holding ring part 13 and the fixed seat part 15 provided at the tip of the string-like part 17 and fixed to the vehicle body sheet metal.

  The connecting member 11 is a member that connects the cap body 1 to the body sheet metal, and serves as a cap loss prevention tool that can prevent the cap body 1 from being lost when the cap body 1 is removed from the fuel inlet. .

  By the way, since the connecting member 11 of Patent Document 1 includes the comb-like portion 14 on the inner periphery of the retaining ring portion 13, it is essential to provide the fitting groove portion 6 on the outer periphery of the grip portion 3 of the cap body 1. Become. That is, in the technique of Patent Document 1, the cap needs to be in a dedicated form in which the fitting groove portion 6 is provided, which increases the manufacturing cost of the cap. Moreover, since it can be applied only to a dedicated cap, the use of the connecting member 11 is limited, which is not preferable.

  Therefore, there is a demand for a cap loss prevention tool that can reduce the manufacturing cost of the cap and expand the application.

  This invention makes it a subject to provide the cap loss prevention tool which can reduce the manufacturing cost of a cap and can expand a use.

Invention, a cap engaging member which engages the circular cap for closing the opening of the container, the cap loss preventer ing from a string-like member connecting the cap engaging member to the container side according to claim 1 The cap engaging member includes an annular portion that surrounds the side surface of the cap, a lower claw portion that extends from a lower portion of the annular portion and contacts the lower surface of the cap, and an upper portion of the annular portion. An upper claw portion extending and abutting against the upper surface of the cap , wherein the annular portion is opened on the side wall and passes through one end of the string-like member from the outside to the inside of the side wall; and the side wall A fitting portion that extends radially outward from one end of the string-like member from the inside to the outside of the side wall, and the fitting portion is disposed directly below the side wall opening. wherein the lower claw portion is provided on the side wall immediately below the fitting portion And features.

  In the invention according to claim 2, the cap engaging member is a molded product formed by a mold, and when the cap engaging member is viewed in the axial direction, the upper claw portion and the adjacent upper claw portion are adjacent to each other. The upper claw portion and the lower claw portion are provided so as to have different phases so that one of the lower claw portions can be seen between the upper claw portion and the upper claw portion.

  In the invention according to claim 3, when a tapered portion that is reduced in diameter downward is provided at the lower portion of the side surface of the cap, the inner diameter of the upper claw portion is larger than the tip diameter of the tapered portion, and It is set smaller than the maximum diameter, and the inner diameter of the lower claw portion is set smaller than the tip diameter of the tapered portion.

In the invention which concerns on Claim 4, a fitting part is formed in the upper surface of this block from the inner side of a ring part provided in the upper surface of this block, and is formed toward the outer side. The string portion of the string-like member passes from the inside of the annular portion, the end portion provided at the outer end of the groove portion, and the boundary between the groove portion and the end portion, A protrusion projecting so that the width is narrower than the thickness of the string portion; a first recess formed continuously from the end portion to the first protrusion into which the first protrusion of the string-like member is fitted; A second recess formed continuously from the recess toward the inside of the annular portion and into which the second protrusion of the string-like member is fitted, and the side wall opening includes the groove, the first recess, and the second recess. It is characterized by being continuous .
In the invention according to claim 5, the other end of the string-like member is fastened so as to be sandwiched between a receiving seat provided on a cover that covers the container and a fastening member, and the fastening member contacts a receiving portion of the receiving seat. A claw portion and two claw portions extending downward from the cuff portion and fitted in two holes opened in the cover, the claw portions including a contact surface contacting an inner surface of the cover; And an inclined surface contacting the edge of the hole.

In the invention according to claim 1, the cap engaging member includes an annular portion that surrounds the side surface of the cap, a lower claw portion that contacts the lower surface of the cap, and an upper claw portion that contacts the upper surface of the cap. Therefore, it is not necessary to perform processing for engaging the cap engaging member with the cap. Therefore, the manufacturing cost of the cap can be reduced.
Further, when the diameters and heights of the side surfaces of the plurality of caps are substantially the same and each cap has a lower surface and an upper surface, the cap engaging member can be engaged with all of the plurality of caps. Applications of the engaging member can be expanded.
Therefore, it is possible to provide a cap loss prevention tool that can reduce the manufacturing cost of the cap and expand the application.

According to the first aspect, it is possible to provide a cap loss prevention tool that can reduce the manufacturing cost of the cap and expand the application.
In addition, in the invention according to claim 1, when one end of the string-like member is fitted to the fitting portion, when the cap is fitted to the cap engaging member, one end of the string-like member is placed inside the annular portion by the cap. Can not move to. That is, in the use state, the cap-like member can be prevented from coming off with the cap.
If one end of the string-like member is connected to the annular portion using a connecting member such as a screw, the number of parts used in the cap loss prevention tool is increased. In this regard, according to the present invention, since a connecting member such as a screw is not necessary, a cap loss prevention tool capable of reducing the number of parts can be provided.

  In the invention according to claim 2, the cap engaging member has a lower claw portion between the upper claw portion and the upper claw portion adjacent to the upper claw portion when the cap engaging member is viewed in the axial direction. The upper claw portion and the lower claw portion are provided so that the phases thereof are different so that one of them can be seen. The cap engaging member is a molded product formed by a mold, and the upper claw portion is provided independently and the lower claw portion is provided independently in the annular portion. Therefore, the structure of the mold for the cap engaging member can be simplified.

  In the invention which concerns on Claim 3, when the taper part which diameter-reduces below is provided in the lower part of the side surface of a cap, the internal diameter of an upper side claw part is larger than the front-end | tip diameter of a taper part, and the largest diameter of a side surface Since the inner diameter of the lower claw portion is set smaller than the tip diameter of the taper portion, when the cap is inserted into the cap engagement member, the upper claw portion of the cap engagement member at the taper portion of the cap is set. Can be pushed down smoothly. Further, when the lower surface of the cap comes into contact with the lower claw portion of the cap engagement member, the cap can be held by the upper claw portion and the lower claw portion of the cap engagement member. Therefore, it is possible to provide a cap loss prevention tool that can smoothly engage the cap with the cap engaging member.

In the invention which concerns on Claim 4, since the side wall opening is following the groove part, the 1st dent, and the 2nd dent, the end of a string-like member can be smoothly inserted inside an annular part.

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings. The drawings are viewed in the direction of the reference numerals. In the following description, the container is a motorcycle fuel tank and the cap is a fuel tank cap.

FIG. 1 is a side view of a motorcycle according to the present invention. In the following description, the vehicle traveling direction is front and the vehicle width direction is left and right.
The motorcycle 10 has a main frame 12 extending downward and rearward from the head pipe 11 and a rear frame 13 extending rearward and upward from the main frame 12 to form a vehicle body. A front fork 14 is attached to the head pipe 11 so as to be able to turn. The front wheel 15 is attached to the front fork 14, the handle 16 is attached to the upper end of the front fork 14, the connecting member 17 is attached to the rear end of the main frame 12, and the front end of the transmission 19 is connected to the rear end of the connecting member 17 by the shaft 18. The rear part of the transmission 19 and the rear frame 13 are connected by a rear cushion 21, the engine 22 and the air cleaner 23 are assembled to the transmission 19, and the rear wheel 24 is attached to the output shaft of the transmission 19, Fuel tank on rear frame 13 5, the head pipe 11 is covered with the front cover 26, the front fork 14 is covered with the front fender 27, the main frame 12 and the engine 22 are covered with the side cover 28, and the storage box 31 storing the helmet 32 and the fuel The side of the tank 25 is covered with a body cover 29, the upper surface of the fuel tank 25 is covered with a tank cover 41 that extends integrally from the rear of the storage box 31, and the storage box 31 and the tank cover 41 are attached to the vehicle body by a seat 33 that can be opened and closed. Covered. 34 is a floor step, 35 is a main stand, 36 is a muffler, and 37 is a rear carrier.

  FIG. 2 is a perspective view of the rear part of the vehicle body with the seat raised, and a fuel supply port of a fuel tank (reference numeral 25 in FIG. 1) protruding through the tank cover 41 is disposed at the rear part of the tank cover 41. A fuel tank cap 38 (described later in detail) closes the fuel filler opening. The fuel tank cap 38 is attached with a cap loss prevention tool 40 (detailed later) for preventing the fuel tank cap 38 from being lost. The cap loss prevention tool 40 is fastened to the tank cover 41. Reference numeral 42 denotes a seat hinge, 43 a seat lock portion, and 44 a cover convex portion.

  FIG. 3 is an exploded perspective view of the cap loss prevention device according to the present invention. The cap loss prevention device 40 includes a cap engagement member 45 (described later in detail) that engages the fuel tank cap 38, and the cap engagement member 45. A protrusion 46 that fits into one end, and a stepped portion 49 that fits between a fastening member 47 (details will be described later) and a receiving seat 48 (details will be described later) of the tank cover 41 at the other end. By including a string portion 51 that connects the stepped portion 49, a string-like member 52 (details will be described later) that connects the cap engaging member 45 to the tank cover 41.

  The other end of the string-like member 52 is formed by a receiving seat 48 provided on the tank cover 41 and a fastening member 47 because the fuel tank (reference numeral 25 in FIG. 1) is covered by the tank cover 41 in the embodiment. However, the tank cover 41 may be provided with an opening so as to be secured directly to the fuel tank. The other end of the string-like member 52 may be fixed to the tank cover 41 with a screw or the like, or may be directly engaged with a hole formed in the tank cover 41.

  The cap engaging member 45 includes, for example, three lower claw portions that extend from a lower portion of the annular portion 54 and contact the lower surface 55 of the fuel tank cap 38. 56, 57, 58 (details will be described later) and, for example, three upper claw portions 61, 62, 63 (details will be described later) extending from the upper portion of the annular portion 54 and contacting the upper surface 59 of the fuel tank cap 38. Yes. Further, the annular portion 54 of the cap engaging member 45 is provided with a fitting portion 64 (details will be described later) into which the convex portion 46 of the string-like member 52 is fitted.

  In addition, although the quantity of the lower nail | claw part and the upper nail | claw part was 3 each in the Example, the quantity of a nail | claw part may be changed according to the diameter of the cap engaging member 45, and quantity is arbitrary. .

  The fastening member 47 includes a fastening part 66 that contacts the receiving part 65 of the receiving seat 48, and two claw parts that extend downward from the fastening part 66 and fit into two holes 67 and 68 opened in the tank cover 41. 69, 71. The claw portion 69 includes a contact surface 72 that contacts the inner surface of the tank cover 41 and an inclined surface 73 that contacts the edge of the hole 67. 74 is a grip part, 75 is an opening / closing mark, 76 is an insertion part, 77 is an oil filler port, and 78 is a cap lock recess.

  In addition, although the contact surface 72 and the inclined surface 73 were demonstrated only in the case of the nail | claw part 69, although the contact surface and the inclined surface are provided also in the nail | claw part 71 similarly to the claw part 69, description here is abbreviate | omitted. To do.

  4 is a view taken in the direction of arrow 4 in FIG. 3, and as shown in FIG. 3A, when the cap engaging member 45 is viewed in the axial direction, the upper claw portion 62 and the upper claw portion 45 are arranged. The upper claw portion 62 and the lower claw portion 58 are provided in different phases so that one of the lower claw portions 58 can be seen between the upper claw portion 63 adjacent to the claw portion 62.

  Moreover, as shown in (b), the cap engaging member 45 is a molded product formed by a mold, and the upper claw portion 63 is provided alone in the annular portion 54, and the lower claw portion 57 is provided. It is provided alone. Therefore, the structure of the mold for the cap engaging member can be simplified.

  5 is a cross-sectional view taken along line 5-5 in FIG. 4, where the inner diameter formed by the upper claw portion 63 and the upper claw portion 61 of the cap engaging member 45 is D1, and the lower claw portion of the cap engaging member 45 is shown. 58 and the lower claw portion 57 has an inner diameter D2, and the tip end diameter of the tapered portion 79 provided so as to reduce the diameter downward at the lower portion of the side surface 53 of the fuel tank cap 38 is D3. The diameter is D4. That is, in the cap engaging member 45, when the tapered portion 79 that is reduced in diameter downward is provided below the side surface 53 of the fuel tank cap 38, the inner diameter D 1 of the upper claw portion is the tip diameter of the tapered portion 79. It is larger than D3 and the maximum diameter of the side surface 53 is set smaller than D4, and the inner diameter D2 of the lower claw portion is set smaller than the tip diameter D3 of the tapered portion 79. 39 is a round chamfered portion, and 81 is a convex member for cap locking.

  When the cap engaging member 45 and the fuel tank cap 38 are assembled, the fuel tank cap 38 is directed to the cap engaging member 45 as indicated by an arrow (1). The assembly procedure of the cap engaging member 45 and the fuel tank cap 38 following this state will be described with reference to the next drawing.

  FIG. 6 is a view for explaining the assembly of the cap engaging member and the cap according to the present invention. As shown in FIG. 6A, the upper claw portion 63 of the cap engaging member 45 is formed on the taper portion 79 of the fuel tank cap 38. 61 is in a bent state. From this state, the fuel tank cap 38 is lowered as shown by the arrow (2).

  As shown in (b), the upper claw portions 63 and 61 of the cap engaging member 45 are in contact with the side surface 53 of the fuel tank cap 38 in a bent state. When the fuel tank cap 38 is further lowered as indicated by the arrow (3) from this state, the upper claw portions 63 and 61 attempt to return to the original position along the rounded chamfered portion 39. Further, the lower claw portions 58 and 57 are slightly bent downward to promote the return action of the upper claw portions 63 and 61.

  As shown in (c), the lower claw portions 58 and 57 of the cap engagement member 45 face the lower surface 55 of the fuel tank cap 38, and the upper claw portion 63 of the cap engagement member 45 faces the upper surface 59 of the fuel tank cap 38. , 61 is here. Thus, the fuel tank cap 38 is engaged with the cap engaging member 45.

  At this time, the fuel tank cap 38 is rotatably engaged with the cap engaging member 45.

  As described above, when the tapered portion 79 that is reduced in diameter downward is provided at the lower portion of the side surface 53 of the fuel tank cap 38, the inner diameter (see FIG. 5) formed by the upper claw portions 63 and 61 is tapered. The inner diameter (see FIG. 5), which is set larger than the tip diameter (see FIG. 5) of the portion 79 and smaller than the maximum diameter (see FIG. 5) of the side surface 53, is composed of the lower claw portions 58 and 57 is a tapered portion. 79 is set to be smaller than the tip diameter (see FIG. 5), and therefore, when the fuel tank cap 38 is inserted into the cap engaging member 45, the upper claw portion of the cap engaging member 45 is formed by the tapered portion 79 of the fuel tank cap 38. 63 and 61 can be pushed down smoothly.

  Further, when the lower surface 55 of the fuel tank cap 38 comes into contact with the lower claws 58 and 57 of the cap engagement member 45, the fuel tank cap 38 is moved to the upper claws 63 and 61 and the lower claw portion of the cap engagement member 45. 58, 57. Therefore, it is possible to provide a cap loss prevention tool (reference numeral 40 in FIG. 3) capable of smoothly engaging the fuel tank cap 38 with the cap engaging member 45.

  In addition, the cap engaging member 45 includes an annular portion 54 that surrounds the side surface of the fuel tank cap 38, lower claw portions 58 and 57 that contact the lower surface 55 of the fuel tank cap 38, and an upper surface 59 of the fuel tank cap 38. Since the upper claw portions 63 and 61 are in contact with each other, it is not necessary to perform processing for engaging the cap engagement member 45 with the fuel tank cap 38. Therefore, the manufacturing cost of the fuel tank cap 38 can be reduced.

When the diameter and height of the side surfaces of the plurality of fuel tank caps are substantially the same and each fuel tank cap has a lower surface and an upper surface, the cap engaging member is engaged with all of the plurality of fuel tank caps. Therefore, the use of the cap engaging member can be expanded.
Therefore, it is possible to provide a cap loss prevention tool that can reduce the manufacturing cost of the fuel tank cap and expand the application.

  FIG. 7 is a perspective view of the string-like member according to the present invention. The convex portion 46 of the string-like member 52 includes a semicircular disk-shaped first protrusion 82 connected to the string part 51 and the first protrusion 82. And second protrusions 83 and 84 protruding from both sides.

Further, the stepped portion 49 of the string-like member 52 is connected to the other end of the string portion 51 and has a taper shaft 85 that increases in diameter toward the tip, and a first circle connected to the diameter-expanding side of the taper shaft 85. The plate 86 includes a shaft 87 extending from the first disc 86 toward the tip, and a second disc 88 connected to the shaft 87.
Next, the detailed structure of the fitting part 64 of the cap engaging member 45 in which the convex part 46 of the string-like member 52 fits is demonstrated.

  FIG. 8 is a perspective view of the fitting portion. The fitting portion 64 includes a block 89 formed so as to protrude radially outward from the annular portion 54, and an annular portion provided on the upper surface of the block 89. A groove portion 91 formed from the inner side of 54 to the outer side and a string portion (reference numeral 51 in FIG. 7) of the string-like member (reference numeral 52 in FIG. 7) passes from the inner side of the annular portion 54, and the groove portion 91. An end portion 94 provided at the outer end of the projection portion, and projections 92 and 93 that are located at the boundary between the groove portion 91 and the end portion 94 and project so as to make the width of the groove portion 91 narrower than the thickness of the string-like member, A first recess 95 continuously formed downward from the end portion 94 and into which the first protrusion (reference numeral 82 in FIG. 7) of the string-like member is fitted, and the string-like member formed continuously from the first recess 95 to the inside. The second protrusions 96 and 97 into which the second protrusions (reference numerals 83 and 84 in FIG. 7) are fitted.

9 is a cross-sectional view taken along the line 9-9 in FIG. 4, and the convex portion (reference numeral 46 in FIG. 7) of the string-like member (reference numeral 52 in FIG. 7) passes through the annular portion 54 from the outside to the inside. An opening 98 is provided. Since the opening 98 is continuous with the groove portion 91, the first recess 95, and the second recess 97 provided in the block 89, the convex portion of the string-like member can be smoothly inserted inside the annular portion 54. . 99 is the bottom surface.
A procedure for fitting the convex portion 46 of the string-like member 52 to the fitting portion 64 described above will be described next.

  FIG. 10 is an operation diagram until the string-like member is inserted inside the cap engaging member. In FIG. 10A, the convex portion 46 of the string-like member 52 is moved to the cap engaging member 45 as indicated by an arrow (4). Direct toward opening 98.

  In (b), the convex portion 46 of the string-like member 52 that is in a forward tilted position before the opening 98 is inserted inside the annular portion 54 as indicated by an arrow (5). Subsequently, the convex portion 46 indicated by the two-dot chain line is rotated as indicated by an arrow (6) so that the tip is directed upward.

  FIG. 11 is an operation diagram until the string-like member is set in the fitting portion. In FIG. 11A, the protrusion 46 is whitened by pulling the string portion 51 of the string-like member 52 as shown by the arrow (7). It is moved toward the bottom surface 99 provided in the fitting part 64 as indicated by an extraction arrow.

As shown in (b), the convex portion 46 is placed on the bottom surface 99.
(C) corresponds to a cross-sectional view taken along the line cc of (b), and the string portion 51 of the string-like member 52 is pulled as shown by an arrow (8), thereby protruding at the string portion 51 as shown by a two-dot chain line. The portions 92 and 93 are pushed, and the string portion 51 is immediately directed to the end portion 94 as shown by the arrow (9).

  FIG. 12 is an operation diagram until the string-like member is completely fitted into the fitting portion. As shown in FIG. 12A, the convex portion 46 of the string-like member 52 is fitted into the fitting portion 64. Specifically, the first protrusion 82 of the convex portion 46 fits into the first recess (reference numeral 95 in FIG. 8), and the second protrusion 83 of the convex portion 46 fits into the second recess (reference numeral 96 in FIG. 8). Further, since the string portion 51 is restricted from moving in the horizontal direction by the protruding portions (reference numerals 92 and 93 in FIG. 11), the string-like member 52 can be prevented from being detached from the fitting portion 64.

  As shown in (b), when the convex portion 46 of the string-like member 52 is fitted in the fitting portion 64, the convex portion is obtained when the fuel tank cap 38 indicated by a two-dot chain line is fitted in the cap engaging member 45. 46 cannot be moved inward by the fuel tank cap 38. That is, in the use state, the fuel tank cap 38 can exert the function of preventing the string-like member 52 from coming off.

  If the convex part 46 of the string-like member 52 is connected to the annular part 54 using a connecting member such as a screw, the number of parts used in the cap loss prevention tool (reference numeral 40 in FIG. 3) is increased. In this regard, according to the present invention, since a connecting member such as a screw is not necessary, a cap loss prevention tool capable of reducing the number of parts can be provided.

FIG. 13 is an operation diagram of the fastening member. In FIG. 13A, the fastening member 47 is directed to the receiving seat 48 on which the shaft 87 of the string-like member (reference numeral 52 in FIG. 7) is placed as indicated by an arrow (10). .
In (b), the inclined surface 73 of the claw portion 69 of the retaining member 47 is in contact with the edge 101 of the hole 67. When the fastening member 47 is pushed down from this state, the claw portion 69 moves to the position of the two-dot chain line. Subsequently, the fastening member 47 is pushed down, and the claw portion 69 is lowered as shown by the arrow (11).

  As shown in (c), the fastening member 47 presses the shaft 87 placed on the receiving seat 48. At the same time, the contact surface 72 of the claw portion 69 and the contact surface 103 of the claw portion 71 are in contact with the inner surface 102 of the tank cover 41. Thus, the string-like member is connected to the tank cover 41.

Although the container of the present invention has been described as a fuel tank for a motorcycle in the embodiment, it can be applied to a fuel tank for a passenger car, a kerosene tank for home use, etc. Is fine.
Moreover, although the cap of the present invention has been described as a fuel tank cap in the embodiment, it can be applied to a water tank cap, an edible oil tank cap, and the like, and thus can be applied to a general cap.

  The cap loss prevention device of the present invention is suitable for a fuel tank of a motorcycle.

1 is a side view of a motorcycle according to the present invention. FIG. 6 is a perspective view of the rear part of the vehicle body with the seat raised. It is a disassembled perspective view of the cap loss prevention tool which concerns on this invention. FIG. 4 is a view taken along arrow 4 in FIG. 3. FIG. 5 is a sectional view taken along line 5-5 of FIG. It is a figure explaining the assembly of the cap engaging member and cap which concern on this invention. It is a perspective view of the string-like member concerning the present invention. It is a perspective view of a fitting part. FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 4. It is an effect | action figure until it inserts a string-like member inside a cap engaging member. It is an effect | action figure until a string-like member is set to a fitting part. It is an effect | action figure until a string-like member is completely fitted to a fitting part. It is an effect | action figure of a fastening member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Motorcycle, 12 ... Main frame (vehicle body), 13 ... Rear frame (vehicle body), 25 ... Fuel tank (container), 29 ... Body cover, 33 ... Seat, 38 ... Fuel tank cap (cap), 40 ... Lost cap Prevention tool, 42 ... Seat hinge, 41 ... Tank cover, 45 ... Cap engaging member, 46 ... Projection (one end), 47 ... Fastening member, 48 ... Receiving seat, 49 ... Other end, 51 ... String part, 52 ... String-like member, 53 ... side face, 54 ... annular part, 55 ... lower face, 56, 57, 58 ... lower claw part, 59 ... upper face, 61, 62, 63 ... upper claw part, 64 ... fitting part, 65 ... receiving part, 66 ... fastening part, 67, 68 ... hole, 69, 71 ... claw part, 72, 103 ... contact surface, 77 ... oil filler (opening), 79 ... taper part, 82 ... first protrusion, 83 84 ... second protrusion 89 ... block 91 ... groove, 92, 93 ... Projection, 94 ... Terminal part, 95 ... First dent, 96, 97 ... Second dent, 98 ... Side wall opening, 104 ... Lower surface, 105 ... Lower end , D1, D2 ... Inner diameter, D3 ... Tip diameter, D4: Maximum diameter.

Claims (5)

A container (25) cap engagement member (45) which engages in a circular cap (38) for closing an opening (77) of the cord that connects the cap engagement member (45) into the container (25) side a cap loss preventer Do that because the Jo member (52),
It said cap engaging member (45), the annular portion surrounding the side surface (53) of the cap (38) and (54), the lower surface of the cap extending from a lower portion of the annular portion (54) (38) ( 55) a lower claw portion (56, 57, 58) abutting on the upper ring portion (54) and an upper claw portion (61, 62 ) abutting on the upper surface (59) of the cap (38). , made from a 63),
The annular portion (54) has a side wall opening (98) that is opened in the side wall and passes through one end (46) of the string-like member (52) from the outside to the inside of the side wall, and radially outward from the side wall. And a fitting portion (64) for fitting one end (46) of the string-like member (52) from the inside to the outside of the side wall,
The cap is characterized in that the fitting portion (64) is disposed directly below the side wall opening (98), and the lower claw portion (56) is provided on the side wall immediately below the fitting portion (64). Loss prevention tool. The cap engaging member (45) is a molded product formed by a mold. When the cap engaging member (45) is viewed in the axial direction, the upper claw portion (61) and the upper claw part upper claw portion of the next (61) (62) wherein, as one of the lower claw part (57) is visible between the upper claw portion (61, 62, 63) and the lower claw portion 2. The cap loss prevention device according to claim 1, wherein the cap loss prevention tool is provided so as to have a phase different from that of (56, 57, 58) . When a tapered portion (79) having a diameter reduced downward is provided at the lower portion of the side surface (53) of the cap (38) ,
An inner diameter (D1) of the upper claw portion (61, 62, 63) is set larger than a tip diameter (D3) of the tapered portion (79) and smaller than a maximum diameter (D4) of the side surface (53) , The inner diameter (D2) of the lower claw portion (56, 57, 58) is set to be smaller than the tip diameter (D3) of the tapered portion (79). Cap loss prevention tool. The fitting portion (64) includes a block (89) formed so as to protrude radially outward from the side wall, and an inner surface of the annular portion (54) provided on the upper surface of the block (89). A groove portion (91) formed toward the outside and through which the string portion (51) of the string-like member (52) passes from the inside of the annular portion (54), and an outer end of the groove portion (91) It is located at the boundary between the end portion (94) provided in the groove, the groove portion (91) and the end portion (94), and the width of the groove portion (91) is made narrower than the thickness of the string portion (51). Projecting portions (92, 93) projecting from the first end portion (94), and a first recess (95) formed continuously from the end portion (94) and into which the first projection (82) of the string-like member (52) is fitted. And formed continuously from the first recess (95) to the inside of the annular portion (54). Kihimojo member (52) second protrusion (83, 84) second recessed fit is made from the (96, 97),
The said side wall opening (98) is following the said groove part (91), the said 1st dent (95), and the said 2nd dent (97) , The Claim 2, Claim 2, or Claim 3 characterized by the above-mentioned. The cap loss prevention tool described. The other end (49) of the string-like member (52) is fastened so as to be sandwiched between a receiving seat (48) provided on a cover (41) covering the container (25) and a fastening member (47),
The fastening member (47) has a fastening part (66) that contacts the receiving part (65) of the receiving seat (48), and extends downward from the fastening part (66) to open the cover (41). It consists of two claw parts (69, 71) that fit into two holes (67, 68),
These claw portions (69, 71) include a contact surface (72, 103) that contacts the inner surface of the cover (41) and an inclined surface that contacts an edge of the hole (67, 68). The cap loss prevention tool according to any one of claims 1 to 4, wherein the cap loss prevention tool is characterized in that:

Images