KR102614896B1 - Safety buoy on manhole cover - Google Patents

Abstract

The present invention relates to a safety buoy for a manhole cover. More specifically, a horizontal safety buoy is installed inside the manhole at the lower part of the manhole cover. When the manhole cover is opened due to heavy rain, the safety buoy is activated by water pressure and buoyancy. It is designed to allow pedestrians to identify the top of an open manhole as it floats above the water, and as the auxiliary warning unit unfolds along with the safety buoy, the location of the open manhole can be confirmed along with this more certain warning, ensuring safety such as falling into a manhole. This is about safety buoys on manhole covers that help prevent accidents in advance.

Description

Safety buoy on manhole cover}

The present invention installs a safety buoy on the lower part of the manhole cover inside a manhole, so that when the manhole cover is opened during heavy rain, the position of the open manhole can be confirmed from the outside, thereby preventing safety accidents in advance. It's about the safety buoy on the lid.

The structure of a conventional manhole consists of a manhole frame buried in the ground and a manhole cover mounted on and coupled to a stopper of the manhole frame.

However, since the manhole cover is a structure that is simply placed and connected to the manhole frame, there is no risk factor in normal times, but when there is a flood due to heavy rain, rainwater may flow back from the sewer. At this time, the manhole cover is opened by the water pressure pushed from the bottom of the manhole cover, allowing water to flow. There are times when you are pushed out of place.

In this case, since the surrounding area is usually submerged in water, the manhole hole is not visible to pedestrians, and therefore, cases of drowning by falling into the manhole frequently occur.

Of course, conventional manhole covers also have some exhaust holes and drainage holes, but these are of little significance for rainwater flowing back during floods, so the development of a device that can prevent such problems in advance is required.

Republic of Korea Registered Utility Model Publication No. 20-0270820 (registered on March 23, 2002)

The present invention was devised to solve the above problems, and the purpose of the present invention is to provide a safety buoy that is installed horizontally on the lower part of the manhole cover inside a manhole. When the manhole cover is opened during heavy rain, it floats with buoyancy inside the manhole. By notifying bystanders and pedestrians that the manhole cover has been opened, and warning them of the manhole location and the risk of falling within the manhole, the problem of safety accidents occurring due to failure to check the inside of the open manhole due to heavy rain can be prevented in advance. The goal is to provide safety buoys for manhole covers.

Other objects and advantages of the present invention will be explained below and will be learned by practice of the present invention. Additionally, the objects and advantages of the present invention can be realized by the means and combinations indicated in the claims.

The present invention is a means to solve the above problems,

It is installed in a manhole (10) equipped with an openable manhole cover (20),

It is installed horizontally spaced apart from the bottom of the manhole cover 20 inside the manhole 10, has a shape corresponding to the inner shape of the manhole 10, and is made of a preset material with a light specific gravity that can float in water. buoy (30);

The ring portion 33 formed on the bottom of the safety buoy 30 is composed of an elastic member 34 of a preset length, one end of which is connected to the ring portion 33 and the other end fixed to the inner wall of the manhole 10. a connecting portion (35);

It consists of,

Normally, the safety buoy 30 is located at the bottom of the manhole cover 20 inside the manhole 10,

When the manhole cover 20 is opened due to heavy rain, the safety buoy 30 is buoyant due to the water pressure inside the manhole 10 or the rain outside, but only floats up to the preset length of the connection part 35 and the manhole ( 10) By hanging it around, it is possible to identify the location of the manhole (10) through the safety buoy (30) during heavy rain, so that the surroundings can be warned that the manhole cover (20) is open and there is a risk of falling. It is characterized by

As discussed above, the present invention has the effect of preventing safety accidents in advance where pedestrians fall into manholes by allowing the location of a manhole with an open manhole cover to be confirmed during heavy rain.

In addition, the present invention has a safety buoy that has a structure that allows it to float by buoyancy, and further installs a reflective strip and an additional warning unit on the safety buoy to enable the location of the manhole to be confirmed more reliably, thereby maximizing the effect of preventing safety accidents. It works.

1 to 2 are diagrams of an embodiment of the safety buoy of a manhole cover according to the present invention.
Figures 3 and 4 are diagrams of one embodiment showing the operating structure of the safety buoy of the manhole cover according to the present invention.
Figure 5 is a view of another embodiment showing the operating structure of the safety buoy of the manhole cover according to the present invention.

Before describing the various embodiments of the present invention in detail, it will be appreciated that its application is not limited to the details of the configuration and arrangement of components described in the following detailed description or shown in the drawings. The invention may be embodied and practiced in different embodiments and carried out in various ways. Additionally, device or element orientation (e.g. “front”, “back”, “up”, “down”, “top”, “bottom”). The expressions and predicates used herein with respect to terms such as ", "left", "right", "lateral", etc. are merely used to simplify the description of the invention and related devices. Alternatively, you may notice that it does not simply indicate or imply that an element should have a particular orientation. Additionally, terms such as “first,” “second,” and the like are used herein and in the appended claims for purposes of description and are not intended to indicate or imply relative importance or intent.

The present invention has the following features to achieve the above object.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the attached drawings. Prior to this, the terms or words used in this specification and claims should not be construed as limited to their usual or dictionary meanings, and the inventor should appropriately use the concept of terms to explain his or her invention in the best way. It must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle of definability.

Accordingly, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so at the time of filing this application, various alternatives are available to replace them. It should be understood that equivalents and variations may exist.

Hereinafter, the safety buoy of the manhole cover according to a preferred embodiment of the present invention will be described in detail with reference to FIGS. 1 to 5.

The safety buoy of the manhole cover according to the present invention is installed in a manhole 10 equipped with an openable manhole cover 20, and its composition includes a safety buoy 30, a connection part 35, and an additional warning part 40. Includes.

The safety buoy 30 is installed horizontally at a predetermined distance from the lower part of the manhole cover 20 inside the manhole 10, and if the safety buoy is large enough to have a diameter similar to the inner diameter of the manhole, the upper and lower surfaces are There may be a plurality of penetrating drainage holes formed, and it has a shape corresponding to the inner shape of the manhole 10 (ex: circular, square, oval, etc.), but is made of a preset material with a light specific gravity that can float in water. It is a buoy that is formed.

The safety buoy 30 is manufactured from a preset material with a light specific gravity such as blow injection, foam injection, or cork, and is made of a light material (plastic) so that the safety buoy 30 can float on the water. , foam materials, etc.).

In addition, this safety buoy 30 has reflective paper 32 attached to the upper surface and border to ensure visibility, and is manufactured by injection, with fluorescent pigments added during injection manufacturing, or painted with fluorescent pigment, or finished with fluorescent sheet. This ensures greater visibility.

In addition, in the first case, the safety buoy 30 is seated on the upper surface of the ring-shaped locking ledge 11 formed on the inner periphery of the manhole 10 inside the manhole 10,

Inside the manhole 10, it is arranged horizontally at the bottom of the manhole cover 20, and the bent portion 13 of the edge bent upward is seated on the stopping protrusion 11 formed on the inner periphery of the manhole, and is attached to the manhole on the upper surface. It is installed in one of the second cases in which it is placed in the center of the upper surface of the safety sign (12) on which numerical values and various safety information are written,

The safety sign plate 12 has a through hole 14 drilled in the center of the upper surface, so that the elastic member 34 of the safety buoy 30 passes through the through hole 14 and is fixed to the inner periphery of the manhole 10. A safety buoy on a manhole cover, characterized in that.

The connection part 35 is a ring part 33 formed on the bottom or side (outer periphery) of the above-described safety buoy 30, one end is connected to the ring part 33, and the other end is connected to the inner wall inside the manhole 10. It is composed of an elastic member (34, chain rope, spring rope, etc.) of a fixed preset length, and can be replaced with various components for connection such as chains and ropes. Depending on the user's embodiment, plastic, metal, etc. It can be formed from various materials.

Accordingly, the 'manhole cover safety buoy' of the present invention having the above structure,

Normally, the safety buoy 30 is located below the manhole cover 20 inside the manhole 10, but when the manhole cover 20 is opened due to heavy rain, the safety buoy 30 is placed in the manhole 10. It floats by buoyancy due to internal water pressure or external rainwater, but floats only to the preset length of the connection part 35 and hangs around the manhole 10, so that in case of heavy rain, the position of the manhole 10 is confirmed through the safety buoy 30. Identification is possible, so that the surroundings can be warned that the manhole cover 20 is open and there is a risk of falling.

In addition, in the present invention, an additional warning unit 40 can be further installed on the upper surface of the safety buoy 30 inside the manhole 10.

The additional warning unit 40 is installed on the upper surface of the safety buoy 30 inside the manhole 10, is manufactured containing a fluorescent material, and the warning phrase 42 is displayed on the outside in a form that ensures visibility. It consists of a warning body portion 41 and a plurality of elastic members (43, springs, etc.) installed inside the warning body portion 41 to enable compression and tension.

As a result, the additional warning unit 40 is maintained in a vertically compressed and folded state between the manhole cover 20 and the safety buoy 30, but when the manhole cover 20 is opened due to heavy rain, the safety buoy At the same time that the buoy 30 rises due to buoyancy due to the water pressure inside the manhole 10 or the rain outside, the additional warning unit 40 also unfolds in a vertical position on the upper surface of the safety buoy 30, forming the manhole 10. This is to identify the location of the device and warn people around that there is a risk of falling.

As described above, although the present invention has been described with limited examples and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following will be understood by those skilled in the art to which the present invention pertains. Of course, various modifications and changes are possible within the scope of equivalence of the patent claims to be described.

10: Manhole 11: Stopper
12: Safety sign 13: Bend part
14: Through hole 20: Manhole cover
30: safety buoy 32: reflective paper
33: ring portion 34: elastic member
35: Connection part 40: Additional warning part
41: Warning body 42: Warning phrase
43: Elastic member

Claims (6)

It is installed in a manhole (10) equipped with an openable manhole cover (20),
It is installed horizontally spaced apart from the bottom of the manhole cover 20 inside the manhole 10, has a shape corresponding to the inner shape of the manhole 10, and is made of a preset material with a light specific gravity that can float in water. buoy (30);
A ring portion (33) formed on the bottom or side of the safety buoy (30), one end of which is connected to the ring portion (33) and the other end of which is an elastic member (34) of a preset length fixed to the inner wall of the manhole (10). A connection part (35) consisting of; It consists of,
Normally, the safety buoy 30 is located at the bottom of the manhole cover 20 inside the manhole 10,
When the manhole cover 20 is opened due to heavy rain, the safety buoy 30 is buoyant due to the water pressure inside the manhole 10 or the rain outside, but only floats up to the preset length of the connection part 35 and the manhole ( 10) By hanging it around, it is possible to identify the location of the manhole (10) through the safety buoy (30) in the event of heavy rain, so that the surroundings can be warned that there is a risk of falling when the manhole cover (20) is opened.
The safety buoy (30) is
Reflective paper (32) is attached to the upper surface and border to ensure visibility.
It is manufactured by injection, and fluorescent pigment is added during injection manufacturing, or it is painted with fluorescent pigment or finished by adhering to a fluorescent sheet.
It is manufactured from one of the preset materials with light specific gravity: blow injection, foam injection, or cork.
The safety buoy (30) is
Inside the manhole 10, it is arranged horizontally at the bottom of the manhole cover 20, and the bent portion 13 of the edge bent upward is seated on the stopping protrusion 11 formed on the inner periphery of the manhole, and is attached to the manhole on the upper surface. It is installed so that it is placed in the center of the upper surface of the safety sign (12), which has numerical values and various safety information written on it.
The safety sign plate 12 has a through hole 14 drilled in the center of the upper surface, so that the elastic member 34 of the safety buoy 30 passes through the through hole 14 and is fixed to the inner periphery of the manhole 10. And
An additional warning unit 40 is installed on the upper surface of the safety buoy 30 inside the manhole 10,
The additional warning unit 40 is
A warning body portion 41 installed on the upper surface of the safety buoy 30 inside the manhole 10, manufactured with a fluorescent material, and having a warning phrase 42 displayed on the outside in a form that ensures visibility;
A plurality of elastic members 43 installed inside the warning body 41 to enable compression and tension; Consisting of
Normally, the additional warning unit 40 is compressed vertically between the manhole cover 20 and the safety buoy 30 and maintains a folded state,
When the manhole cover 20 is opened due to heavy rain, the safety buoy 30 rises due to buoyancy due to water pressure inside the manhole 10 or external rainwater, and is erected vertically on the upper surface of the safety buoy 30. A safety buoy on a manhole cover that unfolds in a shape that identifies the location of the manhole (10) and warns surrounding people of the risk of falling.
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