JP3060476U - Cylinder cap - Google Patents

Abstract

(57) [Problem] To provide a cylinder cap lid in which fingers are not damaged when a hand is inserted into a cap lid holding opening and the cap lid is gripped. SOLUTION: A valve opening / closing operation opening 6 formed by cutting off an upper end of a peripheral wall and opening the peripheral wall of a cylindrical main body 8 detachably attached to a neck 2 of a cylinder 1; In a cylinder cap lid having the formed cap lid holding opening 7, a rounded folded edge 10 is formed by being turned outwardly upward at the upper edge of the opening of the cap lid holding opening 7. It is characterized by becoming.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention is intended to protect high-pressure gas cylinders filled with compressed gas such as oxygen, nitrogen, hydrogen, etc., or liquefied gas such as ethylene, carbon dioxide gas, and chlorofluorocarbon gas so that they can be safely handled during transportation and operation. The present invention relates to a cap for a cylinder (protective cap).

[0002]

[Prior art]

 The high-pressure gas cylinder has an opening / closing valve and a pressure adjustment valve attached to the neck via a base, but it is necessary to carry the cylinder or use gas with these valves exposed to the outside. If the cylinder falls down, it is dangerous because the valve may come off, so a metal cylinder cap that covers these valves is attached to the neck of the cylinder. In addition, a valve opening / closing operation opening formed by cutting off the upper end of the peripheral wall is formed on the peripheral wall of the tubular main body of the cap so that the cylinder can be gripped and the valve can be operated while the cap is attached. And a cap lid gripping opening which is formed so as to leave the upper end of the peripheral wall.

[0003]

[Problems to be solved by the invention]

 The opening for holding the cap provided on the conventional cylinder cap is simply a cut-out of the peripheral wall of the metal cylindrical main body in a substantially rectangular shape when viewed from the front. When inserting the hand into the lid gripping opening and gripping the cap lid, the finger was sometimes hurt at the ridgeline at the upper edge of the opening.

[0004] In view of the above problems, the present invention provides a cylinder cap lid that can be easily gripped without damaging fingers when a hand is inserted into the cap lid holding opening and the cap lid is gripped. It is intended to provide.

[0005]

[Means for Solving the Problems]

 The invention according to claim 1 is a valve opening / closing operation opening 6 formed by cutting off the upper end of the peripheral wall to form an opening in the peripheral wall of the cylindrical body 8 detachably attached to the neck 2 of the cylinder 1. In a cylinder cap lid having a cap lid gripping opening 7 formed with an opening except for a part, the cap lid gripping opening 7 is folded outwardly upward at the upper edge of the opening to be rounded. It is characterized in that the folded edge 10 is formed.

According to a second aspect of the present invention, there is provided the cylinder cap according to the first aspect, wherein the peripheral wall of the cylindrical main body 8 is provided between the valve opening / closing operation opening 6 and the cap lid holding opening 7 for viewing. It is characterized in that a small opening 11 is formed.

A third aspect of the present invention is the cylinder cap according to the first or second aspect, wherein a peripheral opening of the valve opening / closing operation is formed in the peripheral wall of the cylindrical main body 8 at an interval in the circumferential direction. And two cap lid gripping openings 7, 7, and each of the cap lid gripping apertures 7 is formed so that the upper edge of the opening is outwardly turned upward to form a rounded folded edge 10. It is characterized.

[0008]

【Example】

 FIG. 1A is a front view of a relatively small high-pressure gas cylinder 1 in which a neck cap 3 according to the present invention is attached to a neck portion 2, and FIG. 1B is a front view of the cylinder cap lid shown in FIG. 3 is an enlarged view, as can be seen from this figure, the opening / closing valve 4 and the pressure adjusting valve 5 provided on the base 16 attached to the neck 2 of the cylinder 1 are protected by the cap 3 for the cylinder. It has become. In this figure, reference numeral 6 denotes an opening for opening and closing a valve, and 7 denotes an opening for holding a cap. FIG. 2 is an external perspective view of the cylinder cap 3, FIG. 3A is a rear view of the cylinder cap 3, and FIG. 3B is an XX enlarged cross-sectional view of FIG. (A) is a plan view of the cylinder cap 3, (B) is a front view, and (C) is a side view.

Referring to FIG. 1 to FIG. 4, the cylinder cap 3 is composed of a metal cylindrical main body 8, and the upper peripheral edge of the cylindrical main body 8 is folded outward and downward to be rounded. An edge 9 is formed. The lower end of the cylindrical main body 8 is narrowed to a small diameter, and on the inner peripheral surface of the small diameter lower end, a male screw portion 2a formed on the outer periphery of the upper end of the neck 2 of the cylinder 1 (see FIG. ) Is provided.

A valve opening / closing operation opening 6 formed by cutting off the upper end of the peripheral wall and forming an opening on the peripheral wall of the cylindrical main body 8 as shown in each drawing, and leaving the upper end of the peripheral wall. The cap opening 7 is provided at a position facing the front and rear, and as can be seen from FIGS. 2 and 3B, the upper edge of the opening of the cap opening 7 has an outward upward direction. A rounded folded edge 10 is formed. As shown in FIGS. 2 and 4, a small opening 11 for peeping is formed between the openings 6 and 7.

The opening 7 for grasping the cap lid is formed with a split groove 12 which extends vertically from the center of the lower edge of the opening to the lower end of the cylindrical main body 8. Nuts 13 and 14 are fixed to both sides, and a locking bolt 15 is screwed to both nuts 13 and 14.

When using the cylinder cap 3 configured as described above, with the locking bolt 15 loosened, the lower end female screw portion 8a of the cylindrical main body 8 is moved to the position shown in FIG. As shown in the figure, after screwing into the male thread portion 2a of the neck portion 2 of the cylinder 1 and tightening it, the locking cap 15 is tightened to attach and fix the cylinder cap lid 3 to the neck portion 2 of the cylinder 1. I do.

However, when carrying the cylinder 1, as shown by phantom lines in FIG. 2 and FIG. 3B, a hand is inserted into the cap cover opening 7 from the inside (or outside) thereof, What is necessary is just to grip the part from the upper edge part of the said opening part 7 to the upper end peripheral part of the cylindrical main body 8. FIG. At this time, a rounded folded edge 10 is formed on the upper edge of the cap lid gripping opening 7 by being turned upward and outward, and the upper peripheral edge of the cylindrical body 8 facing the upper edge. Has a rounded folded edge 9 which is also folded downward and outwards, so that the fingers are not hurt when grasped, the feel is good and it is easy to grasp, and the cylinder 1 is carried. Will be easier.

In the use of the cylinder cap 3, a small opening 11 for peeping is formed between the valve opening / closing operation opening 6 and the cap lid holding opening 7. For example, the level gauge 17 (see FIG. 4C) provided on the base 16 of the liquefied gas cylinder 1 can be seen through the small opening 11, and the amount of liquefied gas in the cylinder 1 can be confirmed. .

FIG. 5 shows a cylinder cap 23 according to another embodiment of the present invention, wherein (A) is a bottom view, (B) is a rear view, and (C) is a side view. The cylinder cap lid 23 is provided with a valve opening / closing operation opening 6 and two cap lid gripping openings 7, 7 formed in the peripheral wall of the cylindrical main body 8 at intervals in the circumferential direction. The upper edge of each cap lid gripping opening 7 is formed so as to be turned upward and outward to form a rounded folded edge 10, so that the two cap lid gripping openings 7, 7 are formed. The other configuration is the same as that of the cylinder cap lid 3 according to the previous embodiment, except that the same components are provided, and the same components are denoted by the same reference numerals.

The cylinder cap lid 23 is provided with two cap lid holding openings 7 on the peripheral wall of the cylindrical main body 8, and as shown by phantom lines in FIG. The cap lid 23 can be gripped with both hands by putting hands in the cap lid holding openings 7, 7. Therefore, the cylinder cap lid 23 is used by being attached to a relatively large cylinder which is difficult to carry with one hand. In this case as well, a rounded folded edge 10 is formed at the upper edge of the opening 7 for cap cover gripping so as to be folded outward and upward, and the upper end of the cylindrical main body 8 opposed thereto. The peripheral edge portion is formed with a rounded folded edge portion 9 which is folded outwardly downward and similarly rounded, so that the fingers are not hurt when gripped, and the gripping is facilitated.

[0017]

[Effect of the invention]

 According to the cylinder cap of the invention according to the first aspect, since the upper edge of the opening for holding the cap lid is folded upward and outward to form a rounded folded edge, the cylinder is closed. When carrying, put your hand in the grip opening of the cap attached to the cylinder, and when gripping the cap, the upper edge of the opening will not hurt your fingers as usual, and the feel will be better It is easy to grasp and carry the cylinder.

According to the cylinder cap of the present invention, a small opening for peeping is formed between the valve opening / closing operation opening and the cap lid holding opening on the peripheral wall of the cylindrical main body. Therefore, the level gauge provided on the base of the liquefied gas cylinder can be seen through the small opening, and the amount of liquefied gas in the cylinder can be confirmed.

According to the cylinder cap of the invention according to the third aspect, since two cap lid holding openings are provided on the peripheral wall of the cylindrical main body, a relatively large cylinder which is difficult to carry with one hand. It is effective to use it by attaching to it. Also in this case, since the upper edge of the opening of the cap lid gripping opening is folded outward and rounded to form a rounded folded edge, the fingers are not hurt when gripped. It becomes easy to grasp.

[Brief description of the drawings]

FIG. 1A is a front view showing a state in which a cap cap for a cylinder according to an embodiment of the present invention is attached to a relatively small high-pressure gas cylinder, and FIG. 1B is a front view of the cap 3 for a cylinder shown in FIG. FIG.

FIG. 2 is an external perspective view showing a used state of a cylinder cap.

FIG. 3A is a rear view of a cylinder cap, and FIG. 3B is an enlarged cross-sectional view taken along line XX of FIG. 3A.

4A is a plan view of a cylinder cap, FIG. 4B is a front view, and FIG. 4C is a side view.

5A and 5B show a cylinder cap according to another embodiment of the present invention, wherein FIG. 5A is a bottom view, FIG.
(C) is a side view.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 cylinder 2 neck of cylinder 3, 23 cap cap for cylinder 4 opening / closing valve 5 pressure adjusting valve 6 opening for opening / closing valve 7 opening for cap cap holding 8 cylindrical body 10 folded edge 11 small opening for peeping

Claims (3)

[Utility model registration claims] 1. A valve opening / closing operation opening formed by cutting off an upper end of a peripheral wall and an opening excluding an upper end of a peripheral wall, are formed in a peripheral wall of a cylindrical body detachably attached to a neck of a cylinder. A cap lid comprising a cap lid holding opening, characterized in that a rounded folded edge is formed by outwardly turning upward at an upper edge of the opening of the cap lid holding opening. The cap for a cylinder. 2. A small opening for peeping is formed between a valve opening / closing operation opening and a cap lid holding opening on a peripheral wall of the cylindrical main body. Cap for cylinder. 3. A peripheral wall of the cylindrical main body includes a valve opening / closing operation opening and two cap lid holding openings formed at intervals in a circumferential direction, wherein each cap lid holding opening is provided. The cap lid for a cylinder according to claim 1 or 2, wherein an upper edge of the opening is turned outwardly upward to form a rounded folded edge.