KR20150003790U - Manhole cover device of bolt locking type - Google Patents

Abstract

According to an embodiment of the present invention, a bolt-lock type manhole cover device having a detachable structure includes a circular opening-and-closing hole along an outer circumferential surface of a manhole, a seat portion protruding from the opening- A fixed frame having a bolt groove having a bolt hole which is recessed at a predetermined interval around the opening hole and has a bolt through hole, a fixing groove which is seated on the bolt hole and which is opened and closed to face the bolt groove, And a fixing socket having a structure which is fitted and fixed between a bolt groove and a fixing groove and has a hole penetrating correspondingly to the fixing hole.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a manhole cover device of a bolt-

The present invention relates to a manhole cover device of a bolt-lock type which is easy to be detached, and more particularly to a manhole cover device of a bolt-lock type which can be easily detachably covered with a manhole to be installed in a sewer, a parking lot, will be.

Generally, a manhole is provided on a driveway, a sidewalk, or the like to facilitate drainage. A manhole cover having a plurality of through holes is provided in the manhole, and a manhole receiver supporting the manhole cover.

The conventional manhole cover functions to cover the manhole so that the inner cable and the like can be safely protected, and is raised at the top of the manhole cover when the connector is coupled.

Therefore, the manhole support frame is protruded by a specific length in the center direction from the inner surface of the manhole cover to support the manhole cover. Of course, the manhole support frame is formed in a circular shape along the inner circumference of the manhole so as to stably support the manhole cover.

However, the conventional manhole cover is placed on the top of the manhole cover but not on the manhole cover. Therefore, when the vehicle passes over the manhole cover or a separate external impact is applied, there is a problem that the manhole cover is easily separated from the manhole cover.

In other words, the conventional manhole cover has a problem that it is deformed due to occurrence of an external shock or subsidence, slipping, separation and separation of the fastened object easily, and loosening of the connection part due to repetitive detachment .

A prior art related to the present invention is Korean Patent Laid-Open Publication No. 1998-020940 (published on Jun. 25, 1998), which discloses a manhole of a manhole with an invert concrete casting formwork and a manhole construction method using the formwork Is disclosed.

This design is a bolt-locking type that can be easily detachable to prevent the deformation of the installation state (slippage, slip, separation and detachment of the fastened object, etc.) caused by external impact or subsidence A manhole cover device is provided.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, a bolt-lock type manhole cover device that can easily be detached includes an opening / closing hole formed in a circular shape along an outer circumferential surface of a manhole, and a seat protruding from the opening / A fixed frame having a bolt groove which is recessed at a predetermined interval around the opening and closing hole and has a fastening hole through which the bolt passes; A manhole cover which is seated on the seating portion and opens and closes the opening and closing holes and has a fixing groove formed to be recessed to face the bolt groove; And a fixing socket having a structure that is inserted and fixed between the bolt groove and the fixing groove and has a hole penetrating correspondingly to the fixing hole.

The fixed socket has the same horizontal height as the manhole cover.

The fixed socket is concavo-convex coupled between the bolt groove and the fixing groove.

The fixed socket is detachably inserted between the bolt groove and the fixing groove.

And a hollow height adjusting ring for adjusting the horizontal height of the manhole cover is provided between the fixed frame and the manhole cover.

The height adjusting ring includes a blade protruding inwardly to seat the manhole cover, and a protruding portion protruding outwardly and having a size corresponding to the bolt groove.

A rubber packing having elastic material is provided between the fixed frame and the manhole cover.

The fixed frame has a rectangular cross-sectional structure, and a lattice-shaped vertical member and a horizontal member are provided around the opening and closing hole.

The fixed frame has a circular cross-sectional structure, and has a plurality of slots around the bolt groove.

In the lower portion of the manhole cover, a lattice-shaped vertical member and a horizontal member are protruded.

The stationary frame and the manhole cover may be made of dodder or gray iron.

The surface of the manhole cover may be provided with various colors and patterns.

The present invention, which is a bolt-lock type manhole cover device that can easily be detached, can be applied to a variety of problems such as installation state deformation (slippage, slipping, separation and detachment of a fastened object) Can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view schematically showing a manhole cover device of a bolt-locking type according to a first embodiment of the present invention, which is easily detachable.
FIG. 2 is an exploded perspective view schematically showing a fastening relationship between the constitutions of a manhole cover device of a bolt-locking type which can easily be detached according to a first embodiment of the present invention; FIG.
FIG. 3 is a view showing a bottom surface of a stationary frame in a manhole cover device of a bolt-locking type in which detachment is easy according to the first embodiment of the present invention; FIG.
FIG. 4 is a bottom view of a manhole cover in a bolt-lock type manhole cover apparatus according to a first embodiment of the present invention, which is easily detachable. FIG.
FIG. 5 is an exploded perspective view of a manhole cover device of a bolt-locking type according to a first embodiment of the present invention, in which a height adjusting ring is added, to show a fastening relationship between components. FIG.
FIG. 6 is a plan view schematically showing a manhole cover device of a bolt-locking type which can be easily detached and attached according to a second embodiment of the present invention; FIG.
FIG. 7 is an exploded perspective view schematically showing a fastening relationship between constitutions of a manhole cover device of a bolt-locking type which is easily detachable according to a second embodiment of the present invention; FIG.
FIG. 8 is an exploded perspective view of a manhole cover device of a bolt-locking type according to a second embodiment of the present invention, in which a height adjusting ring is added to a manhole cover device of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which: It is provided to fully inform the skilled artisan of the category of design, and the design is only defined by the scope of the claims.

Further, in the description of the present invention, if it is judged that related art or the like may obscure the gist of the present invention, a detailed description thereof will be omitted.

Hereinafter, a manhole cover device according to an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a plan view schematically showing a manhole cover device of a bolt-locking type according to a first embodiment of the present invention which is easy to detach.

Referring to FIG. 1, a bolt-lock type manhole cover device 100 according to a first embodiment of the present invention includes a fixing frame 110, a manhole cover 120, and a fixing socket 130 do.

The stationary frame 110 is a frame constituting the main body of the manhole cover device 110 and has a hollow shape with its center open. The stationary frame 110 is installed in the vicinity of the upper portion of the manhole provided on the side of a motorway, a sidewalk, or the like.

The manhole cover 120 has a function of opening and closing the manhole so that the internal cable and the like can be safely protected. The manhole cover 120 can open and close the open hollow portion of the fixed frame 110.

The fixed socket 130 has a structure for fixing the manhole cover 120 to the fixed frame 110. The fixed socket 130 will be described in detail with reference to the drawings.

FIG. 2 is an exploded perspective view schematically showing the fastening relationship between the constitutions of the manhole cover device of the bolt-locking type which is easily detachable according to the first embodiment of the present invention.

Referring to FIG. 2, a manhole cover device 100 of a bolt-lock type according to a first embodiment of the present invention is a structure for opening and closing a manhole. The manhole cover 100 includes a fixed frame 110, a manhole cover 120, And a socket 130.

First, the fixed frame 110 will be described.

The stationary frame 110 includes an opening / closing hole 111, a seating portion 112, and a bolt groove 113.

The opening and closing holes 111 are formed in a circular shape along the outer peripheral surface of the manhole. The opening and closing holes 111 may correspond to the manhole or may have a relatively smaller diameter.

The seating part 112 is protruded from the opening / closing hole 111 by a predetermined length in the center direction.

The bolt grooves 113 are recessed at predetermined intervals around the opening / closing holes 111. At this time, the bolt groove 113 has a fastening hole 113a through which the bolt passes.

Next, the manhole cover 120 is seated on the seating portion 112 of the fixed frame 110 to open / close the opening / closing hole 111. The manhole cover 120 may have a fixing groove 121 formed to be recessed to face the bolt groove 113.

The surface of the manhole cover 120 may be provided with various colors and patterns. That is, the manhole cover 120 can be installed at a local government or an organization's logo and a desired color at the time of manufacture.

Between the stationary frame 110 and the manhole cover 120, a rubber packing (not shown) having an elastic material may be provided.

In addition, the stationary frame 110 and the manhole cover 120 may be made of dodder or gray iron. At this time, it is preferable that the fixed frame 110 and the manhole cover 120 are made of the same material.

Next, the fixing socket 130 is inserted and fixed between the bolt groove 113 and the fixing groove 121. At this time, the fixed socket 130 has the same horizontal height as that of the manhole cover 120.

The fixed socket 130 may have a detachable structure that is concavo-convex coupled between the bolt groove 113 and the fixing groove 121.

The fixed socket 130 is provided with a protrusion (not shown) protruding partly from a contact surface between the bolt groove 113 and the fixing groove 121. The bolt groove 130, which is in contact with the fixed socket 130, (Not shown) corresponding to the protrusions may be provided in the fixing groove 113 and the fixing groove 121.

The fixing socket 130 may be detached between the bolt groove 113 and the fixing groove 121 in a detent manner.

The fixing socket 130 may have a hole 131 corresponding to the fastening hole 111.

FIG. 3 is a bottom view of a fixing frame of a bolt-lock type manhole cover device according to a first embodiment of the present invention. FIG. 4 is a bottom view of the manhole cover.

3, the fixed frame 110 has a rectangular cross-sectional structure. In the vicinity of the opening and closing holes 111 of the fixed frame 110, a lattice-like vertical member 101 and a horizontal member 102 are provided.

That is, the fixed frame 110 has a hollow structure to reduce the weight of the product, and the vertical member 101 and the horizontal member 102 are provided in a lattice shape to reinforce the strength of the product.

Since the seat portion 112, the bolt groove 113, and the fastening hole 113a, which are not illustrated in FIG. 3, have been described above, redundant description will be omitted.

Next, referring to FIG. 4, a lattice-shaped vertical member 101 and a horizontal member 102 are protruded from the bottom of the manhole cover 120. At this time, the lower portion of the manhole cover 120 is shown as a top and a bottom for convenience in reference to the manhole.

Like the fixed frame 110, the manhole cover 120 has a hollow structure to reduce the weight of the product. Accordingly, the manhole cover 120 is formed with the vertical member 101 and the horizontal member 102 protruding in a lattice form to reinforce the strength of the product.

FIG. 5 is an exploded perspective view schematically illustrating a fastening relationship between a structure in which a height adjusting ring is added, in a manhole cover device of a bolt-locking type which is easy to detach according to the first embodiment of the present invention.

Referring to FIG. 5, a manhole cover device 100 of a bolt-lock type according to a first embodiment of the present invention has a height adjusting ring 140 between a stationary frame 110 and a manhole cover 120, .

The height adjustment ring 140 is used as an impression ring for height adjustment. The height adjustment ring 140 can adjust the horizontal height of the manhole cover 120.

The height adjustment ring 140 has a blade 141 and a protrusion 142.

The blade 141 protrudes to the inside of the height adjusting ring 140 and has a structure in which the manhole cover 120 is supported from the bottom.

The protrusion 142 protrudes from the height adjustment ring 140 to the outside and may have a size corresponding to the bolt groove 113.

At this time, the protrusion 142 may have a bolt hole 142a corresponding to the fastening hole 113a of the bolt groove 113.

FIG. 6 is a plan view schematically illustrating a manhole cover device of a bolt-lock type which can easily be detached according to a second embodiment of the present invention. FIG. 7 is a perspective view of a manhole cover device of a bolt- Fig. 3 is an exploded perspective view schematically showing the fastening relationship between the components of the cover device. Fig.

Referring to FIG. 6, a manhole cover device 200 of a bolt-lock type which can easily be detached according to a second embodiment of the present invention includes a fixing frame 210, a manhole cover 220 and a fixing socket 230 .

The manhole cover 220 and the fixed socket 230 among the above configurations are identical to the manhole cover 120 and the fixed socket 130 of the first embodiment of the present invention described above, A duplicate description will be omitted.

It is noted that the above-described contents may be partially overlapped to facilitate understanding of the drawings.

Referring next to FIG. 7, the fixed frame 210 has a circular cross-sectional structure. The stationary frame 210 has a central through hole, and has an upper side protruding outward.

At this time, the fixed frame 210 may have a plurality of slots 214 around the bolt grooves 213. The elongated holes 214 are formed at a plurality of protruding portions of the fixed frame 210 at regular intervals.

When the stationary frame 210 is installed to open and close the manhole, the elongated hole 214 can be fastened with bolts or the like, and the installation area and angle range can be widened.

FIG. 8 is an exploded perspective view schematically illustrating a fastening relationship between a structure in which a height adjusting ring is added, in a manhole cover device of a bolt-locking type which is easy to detach according to a second embodiment of the present invention.

8, a manhole cover device 200 of a bolt-lock type for easy detachment according to a second embodiment of the present invention includes a height adjusting ring 240 between a stationary frame 210 and a manhole cover 220, .

The height adjustment ring 240 is used as an impression ring for height adjustment. The height adjustment ring 240 can adjust the horizontal height of the manhole cover 220.

The height adjustment ring 240 includes a blade 241 and a protrusion 242.

The blade 241 protrudes inward of the height adjustment ring 240 and has a structure in which the manhole cover 220 is supported at the bottom and is seated.

The protrusion 242 protrudes partially outward of the height adjusting ring 240 and may have a size corresponding to the bolt groove 213.

At this time, the protrusion 242 may have a bolt hole 242a corresponding to the fastening hole 213a of the bolt groove 213.

As described above, the manhole cover device of the bolt-lock type which can easily be detached according to the embodiment of the present invention has been described.

It is to be understood that the terminology or words used in the foregoing detailed description and in the appended claims should not be construed as limited to ordinary or dictionary meanings and that the inventor shall, It should be interpreted in terms of meaning and concept consistent with the technical idea of the present invention, on the basis that the concept can be properly defined.

It should be noted that the embodiments described in the present specification and the configurations shown in the drawings are merely examples of preferred embodiments of the present invention and do not represent all the technical ideas of the present invention, It should be understood that water and variations may be present.

100: Manhole cover device
101: vertical member 102: horizontal member
110: fixed frame 111: opening / closing hole
112: seat part 113: bolting groove
113a: fastening hole
120: Manhole cover 121: Fixing groove
130: Fixed socket 131: Hole
140: height adjustment ring 141: blade
142: protrusion 142a: bolt hole
200: Manhole cover device
210: stationary frame 211: opening / closing hole
212: seat part 213: bolting groove
213a: fastening hole 214: long hole
220: Manhole cover 221: Fixing groove
230: Fixed socket 231: Hole
240: height adjustment ring 241: blade
242: protrusion 242a: bolt hole

Claims (11)

A mounting portion protruding in the center direction from the opening and closing hole by a predetermined length; a mounting portion which is recessed at a predetermined interval around the opening and closing hole and in which the bolt is inserted, A fixing frame having a bolt groove having a bottom;
A manhole cover which is seated on the seating portion and opens and closes the opening and closing holes and has a fixing groove formed to be recessed to face the bolt groove; And
And a fixing socket having a structure that is inserted and fixed between the bolt groove and the fixing groove and has a hole penetrating correspondingly to the fixing hole.
The method according to claim 1,
The fixed socket
And a bolt-locking type manhole cover device having the same horizontal height as that of the manhole cover and being easy to detach.
The method according to claim 1,
The fixed socket
And a detachable structure that is concavo-convex coupled between the bolt groove and the fixing groove.
The method according to claim 1,
The fixed socket
And a bolt-locking type manhole cover device which is detachable in a detentable manner between the bolt groove and the fixing groove.
The method according to claim 1,
Between the stationary frame and the manhole cover
And a height adjustment ring having a hollow shape for adjusting the horizontal height of the manhole cover.
6. The method of claim 5,
The height-
A blade protruding inwardly for seating the manhole cover,
And a protrusion partially protruding outwardly and having a size corresponding to the bolt groove, wherein the bolt-lock type manhole cover apparatus is easily detachable.
The method according to claim 1,
Between the stationary frame and the manhole cover
A manhole cover device of bolt-locking type having a rubber packing with an elastic material and easy to detach.
The method according to claim 1,
The fixed frame
And a vertical member and a horizontal member in the form of a lattice are provided around the opening and closing hole.
The method according to claim 1,
The fixed frame
A bolt-lock type manhole cover device comprising a circular cross-sectional structure and having a plurality of slots in the periphery of the bolt groove, wherein the bolt-locking type manhole cover device is easily detachable.
The method according to claim 1,
In the lower portion of the manhole cover
A bolt-lock type manhole cover device in which a lattice-like vertical member and a horizontal member are protrudingly formed and easy to detach.
The method according to claim 1,
The fixed frame and the manhole cover
A manhole cover device of bolt lock type which is made of dodger or gray iron material and easy to detach.

Images