KR20180116883A - Smart manhole equipped with locking-handle - Google Patents

Abstract

The present invention relates to a handle fixing device manhole installed on a road surface such as a road. The smart manhole according to the present invention has a handle fixing device provided with a locking function for preventing the manhole cover from being detached due to a shock or flooding caused by the passage of a vehicle, a noise preventing function for preventing noise caused by an impact, and an opening function for easily opening the manhole lid for repair and maintenance. The present invention includes a manhole cover installed to shield an upper opening of an underground vertical pipe; a manhole frame for supporting a lower end of the manhole cover to receive the manhole cover; and a fixing plate fixed to the upper end of the vertical pipe to support the lower end of the manhole frame. A pedestal is formed at the inner peripheral edge of the manhole frame so that the manhole cover is seated on the top. According to the present invention, it is possible to prevent the noise generated due to the passage of a vehicle and a person after manhole construction and removal of the manhole cover, and thus road safety is improved.

Description

[0001] SMART MANHOLE EQUIPPED WITH LOCKING-HANDLE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smart manhole provided with a handle fixing device installed on a road surface such as a road or the like. More particularly, the present invention relates to a smart manhole having a lock function for preventing a manhole cover from being detached due to impact, A noise preventing function for preventing noise generated by a manhole cover, and a handle fixing device having an opening function for easily opening the manhole cover when maintenance is performed.

Generally, MANHOLE is an entrance for cleaning or inspecting a box-shaped large structure in which sewage or rainwater flowing through a sewer pipe or an underground cable or a communication network is installed. In order to allow a person to enter and exit the pipeline from the road surface, The starting point or intersection point where the pipeline meets, and the middle of the straight line portion where the pipeline length is long.

A typical manhole structure is composed of a manhole frame fixed to the road surface and a manhole cover seated on the base of the base formed on the inner periphery of the manhole frame.

Such a manhole is seated on the periphery of the manhole frame by the own weight of the manhole cover. Because of the repetitive load acting on the vehicle due to the continuous passage of automobiles or people, vibration occurs, and the installed manhole generates noise, The manhole cover can be broken or detached.

When sewage flooded by stormwater, the manhole cover could be separated by water pressure, and the risk of accident was high, and the possibility of the manhole cover being lost was high.

In order to solve such a problem, Korean Registered Utility No. 20-0465218 discloses a manhole assembly having a locking function for preventing the removal of the manhole cover and an opening function for facilitating opening and closing operations.

However, in the prior art, since the manhole cover is fixed to the manhole frame using a bolt, a specific fastening tool is required, so that the operator must always hold it, and when the bolt is broken, the manhole cover can not be opened.

Korean Patent Registration No. 20-0452192 discloses a handle device for a manhole cover in which a handle can be easily and firmly installed on a manhole cover for opening a manhole cover.

In this prior art, it is easy to open the manhole cover, but the manhole cover can be detached by the reverse flow of sewage or vehicle passage as shown above.

On the other hand, in the related art, there is a case where a manhole cover made of some cast iron is regularly stolen / lost, so that a function of preventing a manhole cover from being stolen is required.

Korean Patent No. 20-0465218 Korean Registration Practical No. 20-0452192

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems of the related art, and it is an object of the present invention to provide a noise preventing apparatus and a manhole cover having a noise preventing function and a locking function, And a smart manhole having a fixing device.

In addition, the present invention provides a screw manhole having a knob fixing device which is provided with a locking device and is openable and closable only by the operator, in order to prevent the security of the inside of the manhole and the theft of the manhole cover.

According to an aspect of the present invention, there is provided a manhole cover for shielding a top opening of a vertical pipe embedded in a basement; A manhole frame for supporting a lower end of the manhole cover to receive the manhole cover; And a fixing plate fixed to the upper end of the vertical pipe to support the lower end of the manhole frame. A base is formed on the periphery of the manhole frame so that the manhole cover is seated on the upper end.

And an impact preventing member for damaging impact and noise generated between the manhole cover and the base jaw by a vertical dynamic load applied to the manhole cover.

The outer periphery of the manhole cover is provided with one or more shock absorbers for attenuating impact and noise generated between the manhole cover and the inner periphery of the manhole by a horizontal dynamic load applied to the manhole cover.

An insertion groove is formed in the periphery of the manhole frame to receive the impact-preventing member in contact with the impact-preventing member; The inner circumferential surface of the insertion groove is formed as an inclined surface protruding downward.

The manhole cover further includes a handle-type fixing device for supporting the lower end of the base so as not to be separated by an external force when the base is seated on the periphery of the manhole frame.

The upper surface of the manhole cover is formed with a seating groove on which the pull holding device is seated.

The grip type fixing device includes an annular grip portion formed with a grip portion penetrating the center portion for pulling up the manhole cover on a road surface by an operator; And a support portion coupled to the grip portion and extending downwardly and formed to penetrate the seating groove.

A hinge unit for pivoting the handle-type fastening device about the manhole cover is provided at an upper end of the upper portion of the support unit; And the lower end of the support portion is formed with a retaining jaw for supporting the lower end of the support jaw.

The grip portion is formed to extend in the vertical direction from one end of the support portion; And the latching jaw is formed to extend from the other end of the support portion in a direction perpendicular to a direction opposite to the extending direction of the grip portion.

The pull type fixing device further comprises a lock unit which fixes the pull type fixing device so that the pull type fixing device does not rotate; The lock unit comprising: a lock key including a series of security means; And a lock jaw which is protruded / inserted by a rotation angle of the lock key.

Wherein the locking unit is provided inside the grip portion such that the locking protrusion protrudes toward the seating portion or is inserted into the grip portion; A locking groove is formed in the inside of the seating portion adjacent to the locking unit and the grip portion so that the locking tuck is inserted and positioned when the locking tuck protrudes.

Wherein the pull tab is inserted and fixed in the lock groove when the lock tab is rotated in a protruding state; When the lock jaw is rotated in the pulled-in state, the lock jaw is inserted into the grip portion and pivoted about the hinge of the hinge portion.

The grip-type fixing device selectively engages / disengages the grip portion from the support base in accordance with the movement of the lock jaw.

Wherein the lock unit is provided inside the support portion such that the lock protrusion protrudes outward or is pulled inward of the support portion; And a lock groove is formed in the grip portion adjacent to the lock unit so that the lock tuck is inserted and positioned when the lock tuck protrudes.

Wherein the grip portion is fixed to the support portion when the lock-type fixing device is rotated in the protruding state, the grip portion and the support portion are rotated together about the hinge of the hinge portion; When the lock jaw is rotated in the pulled-in state, the grip portion is separated from the support portion.

The support portion separates the grip portion from the support portion when the manhole cover is seated on the periphery of the manhole frame and is fixed by the pull-tab-type fixing device, and the pull-tab supports the bottom of the base.

The smart manhole having the handle fixing device according to a specific embodiment of the present invention as described above can be expected to have the following effects.

That is, the present invention has the effect of preventing the noise generated according to the traffic of the vehicle and the person after the manhole construction and the departure of the manhole cover, thereby improving the road safety.

In addition, the present invention is equipped with a pull-tab fastening device to prevent the manhole cover from being detached by an external force, thereby improving the security and preventing the loss of the manhole cover.

1 is an illustration showing a manhole cover of the prior art;
FIG. 2 is an exploded perspective view of a smart manhole having a pull holding device according to a specific embodiment of the present invention. FIG.
3 is a cross-sectional view illustrating an example of a construction of a smart manhole having a pull holding device according to a specific embodiment of the present invention.
4 is an exemplary view showing an impact preventing structure of a smart manhole having a pull holding device according to a specific embodiment of the present invention.
FIG. 5 is a perspective view showing a pull-type fixing device in a smart manhole having a pull holding device according to a specific embodiment of the present invention. FIG.
6 is an exemplary view showing an operation example of a pull-type fixing device in a smart manhole having a pull holding device according to a specific embodiment of the present invention.
FIG. 7 is an exemplary view showing a fixing example of a pull-type fixing device in a smart manhole having a pull holding device according to a specific embodiment of the present invention; FIG.
FIG. 8 is a perspective view illustrating a pull-type fixing device in a smart manhole having a pull holding device according to a first embodiment of the present invention; FIG.
FIG. 9 is an exemplary view showing a configuration of a hand-held gun device in a smart manhole having a pull holding device according to a first embodiment of the present invention; FIG.
10 is an exemplary view showing an operation example of a pull-type fixing device of a smart manhole provided with a pull holding device according to the first embodiment of the present invention;
11 is a perspective view showing a pull type fixing device of a smart manhole having a pull holding device according to a second embodiment of the present invention.
FIG. 12 is an exemplary view showing a configuration of a pull-type fixing device in a smart manhole having a pull holding device according to a second embodiment of the present invention; FIG.
FIG. 13 is an exemplary view showing an operation example of a pull type fixing device of a smart manhole having a pull holding device according to a second embodiment of the present invention; FIG.
FIG. 14 is an exemplary view showing an example in which a grip portion of a pull-type fixing device is separated from a smart manhole having a pull holding device according to a second embodiment of the present invention; FIG.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is an explanatory view showing a manhole cover of the prior art, FIG. 2 is an exploded perspective view of a smart manhole with a handle fixing device according to a specific embodiment of the present invention, and FIG. 4 is a cross-sectional view illustrating an example of a smart manhole having a handle fixing apparatus according to an embodiment of the present invention. FIG. 4 is a perspective view illustrating a structure of a smart manhole with a handle fixing apparatus according to an embodiment of the present invention FIG. 5 is a perspective view illustrating a pull-type fixing device in a smart manhole having a pull holding device according to a specific embodiment of the present invention, and FIG. 6 is a perspective view illustrating a pull- FIG. 7 is a perspective view illustrating an example of the operation of the pull-type fixing device in a smart manhole. In ruthless smart manhole an exemplary view showing an example of a fixed-handle retainer.

A conventional manhole cover gripping device for opening a manhole cover as shown in FIG. 1 has been disclosed.

However, in the prior art, the manhole cover is seated on the receiving jaw 201 provided at the periphery of the manhole frame 200 by the self-load of the manhole cover, and the noise caused by the repeated loads of the vehicle and the person Occurs.

In addition, in the prior art, the manhole cover can be detached and lost due to repetitive passage of passengers and people and flooding of floors.

As shown in FIG. 2, the smart manhole includes a manhole cover 100, a manhole frame 200, and a fixing plate 300.

Here, the manhole cover 100 is installed to shield the upper opening of the vertical tube embedded in the underground.

The manhole frame 200 is formed in a cylindrical shape, and the manhole cover 100 is seated on an upper end thereof.

Here, a base 201 supporting the lower end of the manhole cover 100 is provided at the periphery of the manhole frame 200.

Accordingly, the manhole cover 100 is seated on the upper end of the base 201 provided at the periphery of the manhole frame 200.

3, an impact preventing member 210 for preventing a shock generated between the support jaw 201 and the manhole cover 100 by the passage of a vehicle and a person, as shown in FIG. 3, .

Here, the impact-preventing member 210 is made of a synthetic resin material having elasticity such as silicone or synthetic rubber.

That is, the shock-absorbing member 210 assumes a vertical dynamic load applied downward from above the manhole cover 100.

Accordingly, the impact-preventing member 210 generates noise by an impact applied to the manhole cover 100. The impact-preventing member 210 attenuates an impact applied to the manhole cover 100, .

3, the outer periphery of the manhole cover 100 is provided with a plurality of protrusions for preventing a shock generated between the periphery of the manhole frame 200 and the outer periphery of the manhole cover 100, At least one impact preventing member 103 is provided.

The shock absorber 103 is made of a synthetic resin material having elasticity such as silicone or synthetic rubber and is positioned between the periphery of the manhole frame 200 and the manhole cover 100, Thereby absorbing the impact generated in the horizontal direction of the road surface.

An insertion groove 202 is formed in the periphery of the manhole frame 200 to accommodate the shock-absorbing member 103 so that the manhole cover 100 having the impact-preventing member 103 can be seated thereon. .

At this time, the insertion groove 202 is formed as an inclined surface protruding downward, and the impact-preventing member 103 is seated along the inclined surface.

Accordingly, in the present invention, when the manhole cover 100 is seated on the periphery of the manhole frame 200, the impact preventing member 103 is seated while being compressed along the inclined surface, Even if the impact preventing member 103 is provided, the space can be minimized and the seat can be seated.

In addition, when the manhole cover 100 is seated on the periphery of the manhole frame 200, an impact preventing member protruding from the outer periphery of the manhole cover 100 is inserted into the insertion groove 202, So that ease of operation is improved.

As shown in FIG. 4, the impact-preventing member 103 may absorb a shock applied in the horizontal direction of the road surface, thereby preventing noise generated between the periphery of the manhole frame 200 and the manhole cover 100 do.

That is, the present invention has the effect of absorbing the impact applied to the manhole cover 100 by the impact-preventing member 210 and the impact-preventing member 103, thereby suppressing the noise generated by the impact.

Meanwhile, a fixing plate 203 is provided at the lower end of the manhole frame 200 to be fixed to the upper end of the fixing plate 300.

The fixing plate 300 is formed in a disk shape and has a fixing guide 301 arranged at regular intervals around the centrifugal part so that the lower end of the manhole frame 200 is fixed to the upper part.

The fixing guide 301 protrudes upward so as to pass through the fixing plate 203 and be seated.

Accordingly, the fixing plate 300 is fixed to the upper end of the vertical pipe, and the fixing guide 301 passes through the fixing plate 203 to support the manhole frame 200.

Meanwhile, in the smart manhole having the handle fixing device according to the specific embodiment of the present invention, the manhole cover 100 includes a manhole cover 200 (see FIG. 1) to prevent the manhole cover from being detached from the inner periphery of the manhole frame (110) for supporting a lower end of a base (201) provided at the inner periphery of the base (201).

When the manhole cover 100 is seated on the receiving jaw 201, the pull-type fixing device 110 supports the lower end of the receiving jaw 201 and fixes the receiving jaw 201 so as not to be separated by an external force .

In this case, the manhole cover 100 is formed with a seating groove 101 on which the pull holding device 110 is seated.

5, the pull-type fixing device 110 includes an annular grip portion 111 formed in a horizontal direction parallel to the upper surface of the manhole cover 100 and a grip portion 111 extending from one side of the grip portion 111, And a support portion 112 extending in the vertical direction with respect to the support portion 112.

The support portion 112 is inserted through the seating groove 101 of the manhole cover 100 and the end of the support portion 112 is protruded from the lower end of the manhole cover 100.

Here, a hook 114 supporting the lower end of the support jaw 201 is formed at a lower end of the support portion 112.

The catching jaw 114 supports the lower end of the receiving jaw 201 to fix the manhole cover 100 so that it is not separated by an external force.

Here, the latching protrusion 114 is formed to extend from the other end of the support portion 112 in a direction perpendicular to the extending direction of the grip portion.

A hinge is formed on one side of the upper end of the support part 112 so that the pull holding device 110 is rotated.

6, when the grip part 111 is rotated, the support part 112 is rotated about the hinge part of the hinge part 113 by the grip part 111, .

That is, in the manhole cover 100, when the grip portion 111 rotates in the horizontal direction, the position of the engagement protrusion 114 is positioned at the lower end of the support protrusion 201, And supports the lower end of the jaw 201 to be locked.

Accordingly, when the manhole cover 100 is locked by the pull-tab 100, when the pull-tab 100 is locked by the pull-tab 201, the pull-out of the manhole cover 100 causes an arbitrary departure due to an external force, It does not.

When the grip portion 111 rotates in a vertical direction, the manhole cover 100 is released from the lower end of the receiving jaw 201 so that the engaging jaw 114 can be opened.

Accordingly, the present invention can easily open / close the manhole cover 100 by using the pull-type fixing device 110 to open the manhole cover 100.

Meanwhile, in the embodiment of the present invention, the opening of the manhole cover 100 is easy, and the risk of theft of the manhole cover 100 and the security of the underground facility can be weakened.

Accordingly, in another embodiment of the present invention, access can be restricted or security of the manhole cover 100 can be prevented so that security can not be entered or exited.

Hereinafter, a security function of a smart manhole having a pull holding device according to another embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 8 is a perspective view illustrating a pull-type fixing device in a smart manhole having a pull holding device according to a first embodiment of the present invention, FIG. 9 is a perspective view of a smart FIG. 10 is an exemplary view showing an operation example of a pull-type fixing device of a smart manhole provided with a pull holding device according to a first embodiment of the present invention; FIG.

8, the pull type fixing device 110 of the smart manhole having the pull type fixing device according to another embodiment of the present invention may further include a locking unit 120. [

Here, the lock unit 120 includes a lock key 122 and a lock jaw 121.

At this time, the lock jaw 121 is configured to be protruded or inserted by the rotation angle of the lock key 122.

In the first embodiment of the present invention, as shown in FIGS. 8 and 9, the lock unit 120 is provided inside the grip portion 111.

A locking groove 123 is formed in the seating groove 101 adjacent to the locking unit 120 to receive the locking protrusion 121 when the locking protrusion 121 protrudes.

At this time, the lock jaw 121 protrudes when the lock key 122 rotates, and is inserted and fixed in the lock groove 123.

That is, the lock unit 120 fixes the grip part 111 and the support part 112 so as not to rotate.

Accordingly, in the present invention, the grip portion 111 and the support portion 112 are fixed by the lock unit 120 so as not to turn, and as a result, the manhole cover 100 can not be opened, There is an anti-theft effect of the manhole cover 100.

Meanwhile, in the second embodiment of the present invention, the pull-type fixing device 110 may be configured such that the grip portion 111 is separated from the support portion 112. [

Hereinafter, the handle fixing device will be described in detail with reference to the accompanying drawings in a second alternative embodiment of the present invention.

FIG. 11 is a perspective view showing a pull-type fixing device of a smart manhole provided with a pull holding device according to a second embodiment of the present invention, FIG. 12 is a perspective view of a smart FIG. 13 is an exemplary view showing an operation example of a pull-type fixing device of a smart manhole having a pull holding device according to a second embodiment of the present invention, and FIG. 14 is an exemplary view illustrating an example in which the grip portion of the pull-type fixing device is separated from the smart manhole having the pull holding device according to the second embodiment of the present invention.

In a second alternative embodiment of the present invention, the pull-tab fastener 110 is configured such that the grip portion 111 is selectively detached / coupled from the support portion 112.

Here, the lock unit 120 is provided inside the support portion 112 so that the grip portion 111 can be detached / coupled.

The locking unit 120 is configured such that when the locking key 122 is rotated, the locking protrusion 121 is protruded / inserted.

A lock groove 123 is formed at one side of the grip portion 111 adjacent to the lock unit 120 to insert the lock jaw 121 when the lock jaw 121 protrudes.

Here, the lock jaw 121 is inserted into the lock groove 123 formed at one side of the support portion 112 when the lock key 122 is rotated.

Accordingly, the grip portion 111 and the support portion 112 are coupled with each other to rotate integrally with respect to the hinge of the hinge portion formed on the support portion 112.

On the other hand, when the manhole cover is closed, the above-described pull-type fixing device can draw the lock jaw of the lock unit and separate the grip portion from the support portion.

At this time, the supporting part supports the lower end of the supporting jaw, and the grip part is separated.

Therefore, since the grip portion 111 is separated by the lock unit 120 and the manhole cover 100 can not be opened, the security is improved and the manhole cover 100 is prevented from being stolen.

The present invention is characterized in that the grip portion 111 is coupled to the support portion 112 by using the lock unit 120 to open the manhole cover 100 so that the grip portion 111 and the support portion 112 We will meet together.

While the present invention has been described with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the invention as defined by the appended claims. It is obvious that it can be done.

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smart manhole provided with a handle fixing device installed on a road surface such as a road or the like. More particularly, the present invention relates to a smart manhole having a lock function for preventing a manhole cover from being detached due to impact, The present invention relates to a smart manhole provided with a knob fixing device having a noise preventing function for preventing noise generated by a manhole cover and an opening function for easily opening the manhole cover when the manhole cover is opened for maintenance. It is possible to prevent the noise generated according to the traffic of the vehicle and the person after the manhole construction and the detachment of the manhole cover, thereby improving the road safety.

100: Manhole cover 101: seat groove
103: Shock resistant material 110: Handle type fixing device
111: grip portion 112:
113: hinge part 114:
120: lock unit 121: lock jaw
122: lock key 123: lock groove
200: manhole frame 201:
202: insertion groove 203: fixing plate
210: Impact preventing member 230: Fixing screw
300: Fixing plate 301: Fixing guide
400: Vertical tube

Claims (12)

A manhole cover installed to shield the top opening of the vertical tube embedded in the basement;
A manhole frame for supporting a lower end of the manhole cover to receive the manhole cover;
And a fixing plate fixed to the upper end of the vertical tube to support the lower end of the manhole frame,
At the periphery of the manhole frame,
And a footstep is formed so that the manhole cover is seated on an upper end of the smart manhole.
The method according to claim 1,
On the upper part of the base,
And a shock absorber for damping impact and noise generated between the manhole cover and the base jaw by a vertical dynamic load applied to the manhole cover.
3. The method of claim 2,
At the outer periphery of the manhole cover,
And a shock absorber for damping impact and noise generated between the manhole cover and the inner periphery of the manhole frame by a horizontal dynamic load applied to the manhole cover.
The method of claim 3,
At the periphery of the manhole frame,
An insertion groove for receiving the impact-preventing member is formed in contact with the impact-preventing member;
The inner circumferential surface of the insertion groove
And a slant surface protruding toward the lower side of the smart manhole.
5. The method of claim 4,
The manhole cover includes:
The smart manhole of any preceding claim, further comprising: a handle-type fastening device for supporting the lower end of the base so as not to be separated by an external force when the base is seated in the periphery of the manhole frame.
6. The method of claim 5,
On the upper surface of the manhole cover,
And a seating groove on which the pull type fixing device is seated is formed.
The method according to claim 6,
The pull-type fixing device includes:
An annular grip portion formed with a grip portion penetrating the center portion for lifting the manhole cover up the road surface by an operator;
And a support portion coupled to the grip portion and extending downward, the support portion being formed to penetrate the seating groove.
8. The method of claim 7,
On the outside of the upper end of the support part,
A hinge portion for pivoting the pull-tab-type fixing device relative to the manhole cover;
At the lower end of the support part,
And a latching jaw for supporting the lower end of the receiving jaw is formed.
9. The method of claim 8,
The grip portion
A support portion extending vertically from one end of the support portion;
[0028]
And the grip portion is formed to extend from the other end of the support portion in a direction perpendicular to a direction opposite to the extending direction of the grip portion.
10. The method of claim 9,
The pull-type fixing device includes:
Further comprising a lock unit for fixing the pull type fixing device so that the pull type fixing device does not rotate;
The lock unit includes:
A lock key comprising a series of security measures;
And a lock jaw that is protruded / inserted by a rotation angle of the lock key.
11. The method of claim 10,
The lock unit includes:
The lock jaw is provided inside the grip portion so as to protrude toward the seating portion or be inserted into the grip portion;
Wherein the lock unit and the seat portion adjacent to the grip portion have,
And a locking groove formed in the locking protrusion so that the locking protrusion is inserted and positioned when the locking protrusion is protruded.
12. The method of claim 11,
The pull-type fixing device includes:
Wherein when the lock jaw is rotated in the protruding state, the lock jaw is inserted and fixed in the lock groove;
Wherein the lock jaw is pivotally moved about the hinge of the hinge when the lock jaw is rotated in the pulled-in state.

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