KR102331921B1 - Height and slope adjustment type manhole cover - Google Patents

Abstract

The present invention provides a height and inclination adjustable manhole cover, wherein installation height and inclination from the surface of a road can be adjusted conveniently and easily. The present invention discloses a height and inclination adjustable manhole cover comprising: a hollow supporting member having a plurality of guide grooves formed and arranged radially on the inner circumference surface and having count bores formed on the upper ends of the guide grooves; a hollow holding member inserted into the upper side of the supporting member, having a flange formed on the circumference of an upper end thereof to be in contact with the upper surface of the supporting member and to mount a manhole cover, having a plurality of penetration holes formed on the flange to correspond to the guide grooves, and having an inclination part formed on the outer circumference of a lower part to have width decreasing downward; a plurality of wedge members arranged between the inner circumference of the lower part of the supporting member and the inclination part to be able to ascend and descend, having an inclined surface having a gap from the inner circumference surface of the supporting member increasing away from the upper surface of the holding member, and having a female screw formed on the outer circumference to be able to slide along the guide grooves; and an adjustment member having a head part buried and hung on the count bores of the supporting member, coupled with the female screw of the wedge member with a screw part inserted into the guide grooves, and raising or lowering the wedge member depending on the direction of rotation.

Description

{HEIGHT AND SLOPE ADJUSTMENT TYPE MANHOLE COVER}

The present invention relates to a manhole cover, and more particularly, a height that can efficiently match the horizontal and inclination with the road surface by simply and easily matching the installation height and inclination (slope) with the road surface during road pavement or overlay construction And it relates to an inclination-adjustable manhole cover.

In general, underground structures such as various tunnels, underground pits, underground drains, pipelines, underground tanks, public underground commercial facilities, sewage treatment facilities, and underground power plants, etc. Manholes are installed at regular intervals on the road surface to allow people to enter and exit to check, connect, repair, or clean lights.

These manholes usually have a structure in which the frame is fixed to the ground by pouring concrete, etc., and then the hole is covered with a metal manhole cover to close it.

However, in conventional manholes, when the installation height and the degree of inclination (slope) do not coincide with the road surface or are not level, steps and irregularities occur between the manhole cover and the road surface, which causes tire deformation, There is a problem that not only receives driving resistance such as an impact, but also causes an accident of a vehicle as the road is damaged.

In addition, in the case of a manhole cover installed in a place where external forces are frequently affected, such as a road where vehicles pass frequently, if it is tilted with respect to the road surface, it easily flows and shakes, causing collision and friction noise. There is a problem that causes safety accidents such as a fall accident.

As a prior art for solving this problem, for example, Patent Document 1 has proposed a 'manhole cover capable of height and inclination adjustment'.

However, as shown in FIG. 1 , the wedge 300 inserted between the inner surface of the lid support 100 and the outer surface of the insertion member 220 is caused by the vertical and horizontal loads of the manhole cover 10 and the support body 200 , as shown in FIG. 1 . Since it is a structure that tightly fixes the lid support 100 and the manhole cover 10 to the support 200 by tightening, when adjusting the height and inclination of the lid support 100 and the manhole cover 10, the manhole cover 10 Open and insert the lid support 100 while maintaining the wedge 300 at a specific position or adjust the height and inclination of the support 200 from the lower side of the lid support 100 There is considerable difficulty and inconvenience to insert the wedge 300 between the insertion member 220 of the 200).

The background art or prior art described herein is information possessed by the inventor or acquired in the process of deriving the present invention, and is only intended to help understand the technical meaning of the present invention, and prior to the filing of the present invention, the technology to which this invention belongs It should be noted that it does not mean a technique widely known in the field, and the reference numerals in the prior art are independent of the reference numerals in the present invention.

KR 10-1377009 B1 (2014.03.17) KR 10-0604449 B1 (2006.07.18) KR 20-2000-0008302 U (2000.05.15) KR 20-0448096 Y1 (2010.03.09)

Accordingly, the present inventor comprehensively considers all the above matters and at the same time, from the idea of solving the technical limitations and problems of the existing manhole technology, the installation height and inclination (slope) with the road surface at the time of road pavement or overlay construction, etc. As a result, the present invention was created as a result of continuous research to develop a manhole cover with adjustable height and inclination that can easily and efficiently match the horizontal and inclination with the road surface.

Therefore, the technical problem and object to be solved by the present invention is to provide a height and inclination adjustable manhole cover that can easily and efficiently match the horizontal and inclination with the road surface.

Here, the technical problems and objects to be solved by the present invention are not limited to the technical problems and objects mentioned above, and other technical problems and objects not mentioned will be clearly understood by those skilled in the art from the following description.

Specific means according to an embodiment (aspect) of the present invention for effectively achieving a specific technical purpose while embodying a new idea for solving the technical problem of the present invention as described above is a guide groove radially on the inner circumferential surface. A hollow support member having a plurality of arrangements and having a count bore formed at the upper end of the guide groove, inserted from the upper side of the support member into the inside, and in contact with the upper surface of the support member around the upper end, the outward flange on which the manhole cover is seated is formed, a plurality of through-holes corresponding to the guide grooves are formed in the outward flange, a hollow support member having an inclined portion gradually narrowing in width toward the bottom around the outer periphery of the lower portion, the lower inner circumference of the support member and the inclined portion, and has an inclined surface that is spaced apart from the inner circumferential surface of the support member as the distance from the upper surface of the support member increases, and a female screw is slidably movable along the guide groove around the outer periphery. The head is buried and caught in the counter bore of the formed plurality of wedge members and the support member, and is fastened with the female screw of the wedge member with the screw part inserted into the guide groove, and the wedge member is raised and lowered according to the rotation direction to the support member It proposes a height and inclination adjustable manhole cover, characterized in that it employs including an adjustment member for adjusting the height and inclination of the support member.

Accordingly, according to the present invention, the support member can be naturally pushed up or lowered while the wedge member installed so as to be lifted and lowered between the inner periphery of the lower part of the support member and the inclined portion of the support member is lifted along the guide groove by the rotation operation of the adjustment member.

Therefore, the height and inclination (inclination) of the support member can be easily and stably adjusted according to the road surface, and the head of the adjustment member is exposed to the upper side of the support member, so it can be rotated more simply and quickly. The adjustment time can be shortened.

In a preferred embodiment (aspect) of the present invention, the manhole cover is interposed between the upper surface of the outward flange and the manhole cover, and further includes a packing in which a plurality of radially arranged plugs for blocking the through hole are formed on the lower surface, so that the manhole cover rattles. The distance can reduce noise and prevent clogging of the through hole and contamination of the adjusting member.

According to the technical idea and embodiment (embodiment) of the present invention, which is based on a unique solution to solve the above technical problems, the installation height with the road surface by the adjusting screw (adjusting member) at the time of road pavement or overlay construction It is possible to easily and efficiently match the road surface with the horizontal and slope by quickly and easily adjusting and matching the inclination and inclination.

Therefore, when installed on the road surface, it is possible to improve efficiency and convenience as well as improve the work efficiency of adjusting the height and inclination (inclination).

Here, the effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a cross-sectional view showing an example of a manhole cover according to the prior art.
Figure 2 is an exploded perspective view showing the height and inclination adjustable manhole cover according to an embodiment of the present invention.
3 is an enlarged perspective view of a wedge member constituting a height and inclination adjustable manhole cover according to an embodiment of the present invention.
Figure 4 is an enlarged cross-sectional view showing the combination of the height and inclination adjustable manhole cover according to an embodiment of the present invention.
5 is an enlarged cross-sectional view for helping understanding and operating state of the height and inclination adjustable manhole cover according to an embodiment of the present invention.

Hereinafter, an embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions in the present invention, and it is specified that they should be interpreted as concepts consistent with the technical spirit of the present invention and meanings commonly or commonly recognized in the art.

In addition, if it is determined that a detailed description of a well-known function or configuration related to the present invention may obscure the gist of the present invention, the detailed description thereof will be omitted.

The accompanying drawings show that parts are exaggerated or simplified for the sake of convenience and clarity of explanation and understanding of the configuration and operation of the technology, and it is revealed that each component does not exactly correspond to the actual size and shape.

In addition, in this specification and/or the term "and/or" is meant to include a combination of a plurality of related described items or any of a plurality of related described items, and when a part includes a certain component, it is a particularly opposite description This does not mean that other components are excluded, but other components can be further included.

That is, terms such as 'comprising' or 'having', 'having', etc. mean that the features, number, steps, operations, components, parts, or combinations thereof set forth in this specification exist, one or It is to be understood that this does not exclude the possibility of adding or adding other features or numbers, step operation components, parts, or combinations thereof.

And terms such as upper, lower, upper, lower, upper, lower, upper, lower, front and rear, left and right are used for convenience to distinguish relative positions of each component. For example, the upper side in the drawing may be named or referred to as the upper side and the lower side as the lower side, the longitudinal direction may be named or referred to as the front-back direction, and the width direction may be named or referred to as the left/right direction.

Also, terms such as first, second, etc. may be used to describe various components. That is, terms such as 1st, 2nd, etc. may be used only for the purpose of distinguishing one component from another component. For example, a first component may be referred to as a second component without departing from the scope of the present invention, and the second component may also be referred to as a first component.

2 to 4, the main components constituting the height and inclination adjustable manhole cover according to the embodiment of the present invention are largely a support member 10, a support member 20, a wedge member 30, It includes an adjustment member 40 and a packing 50 .

The support member 10 is formed in a cylindrical tube shape having a hollow hole in the central portion to be installed on an underground structure such as a water pipe, a sewage pipe, a cable laying pipe.

That is, the support member 10 may be installed to communicate with an opening in which a person enters and exits for inspection, repair, or cleaning of the underground structure.

And on the inner circumferential surface (inner curved surface) of the support member 10, a plurality of guide grooves 11 for guiding the elevation of the wedge member 30 in a radial manner are arranged in a plurality, and at the upper end of each guide groove 11, an adjustment member 40 ) A count bore 12 is formed to bury the head 41 of the.

In addition, a plurality of reinforcing materials 13 are attached to the outer circumferential surface (outer curved surface) of the support member 10 to prevent partial deformation and destruction by radially increasing strength and rigidity.

Here, the support member 10 may be formed in a shape that the inner periphery gradually widens toward the upper side so as to easily insert the support member 20 into the hollow inside.

In addition, the support member 10 may be made of metal or concrete, and in particular, when made of a metal material, a coating layer may be formed on the surface with a graphene coating agent to prevent corrosion.

The support member 20 is formed so that the lower part is inserted with a clearance from the upper side of the support member 10 to the inside, and is formed in a cylindrical tube shape having a hollow hole punched up and down in the center part.

And a flange 21 is formed around the upper end of the support member 20 in contact with the upper surface of the support member 10 outward and the manhole cover (C) is inserted and seated.

That is, the lower surface of the flange 21 is in contact with the upper surface of the support member 10 to prevent the support member 20 from falling into the hollow of the support member 10, and the inner edge of the upper surface is a manhole cover ( It is slightly higher than the thickness of C) and is recessed slightly larger than the diameter, so that the manhole cover (C) can be stably inserted and seated.

In addition, a plurality of through-holes 22 that communicate with the guide groove 11 in the upper and lower directions are radially arranged in the flange 21 .

And on the lower outer periphery (outer periphery) of the support member 20, an inclined portion 23 that gradually becomes narrower toward the bottom is formed.

The wedge member 30 is formed so as to be liftable by the adjusting member 40 between the lower inner peripheral surface (inner curved surface) of the support member 10 and the inclined portion 23 outer peripheral surface (outer curved surface) of the support member 20, have.

And the inner periphery (inner perimeter) of the wedge member 30 has an inclined surface 31 that is spaced apart from the inner circumferential surface of the support member 10 as the distance from the upper surface of the support member 20 increases, that is, the shape of the cross-section is upward. It is formed as a right-angled triangle that gets thinner as it goes on.

In addition, on the outer peripheral surface (outer curved surface) of the wedge member 30, the female screw 32 is integrally formed so as to be slidable along the guide groove 11.

That is, the female screw 32 is formed in a polygonal shape such as a rectangle corresponding to the cross-sectional shape of the guide groove 11 of the support member 10 so as to only be able to ascend and descend without being rotated, and the screw portion of the adjusting member 40 ( 42) and screw holes are formed.

Here, the wedge member 30 divides the circular ring into several and radially disposed between the lower inner peripheral surface (inner curved surface) of the support member 10 and the inclined portion 23 outer peripheral surface (outer curved surface) of the support member 20. it is preferable

In addition, it is preferable that the surfaces of the female screw 32 and the guide groove 11 facing or in contact with each other are curved for smooth and smooth lifting and lowering.

In addition, the wedge member 30 is naturally deformed when receiving vertical and horizontal loads from the support member 10 and the support member 20 , and the lower inner peripheral surface (inner curved surface) of the support member 10 and the inclination of the support member 20 . It can be firmly fixed between the outer peripheral surface (outer curved surface) of the part 23, and with this, even when the vehicle passes over the manhole cover (C) and a load of about 4000 kg is applied, the support member 20 and the manhole cover (C) It is preferably made of a material having elasticity or plasticity so that deformation and deformation of the set height and inclination (inclination) do not occur.

The adjustment member 40 is installed to adjust the height and inclination of the support member 20 with respect to the support member 10 by elevating the wedge member 30 .

And the head portion 41 of the adjustment member 40 is caught by being buried in the count bore 12 of the support member 10, and the screw portion 42 is inserted into the guide groove 11 with the female screw of the wedge member 30. (32) is connected.

In addition, a tool mounting groove (unsigned) is formed on the upper surface of the adjusting member 40 so that it can be easily rotated by inserting a tool such as a screwdriver or a hexagon wrench.

That is, when the operator rotates the adjusting member 40 using a tool such as a screwdriver, the female screw 32 of the wedge member 30 screwed with the screw portion 42 of the adjusting member 40 is the support member ( 10) cannot be rotated due to contact interference with the guide groove 11, and lifts and lowers along the screw portion 42 of the adjustment member 40, and accordingly, the wedge member 30 lifts the support member 20 to the overall Since the height is variable, the height and the inclination of the support member 20 with respect to the road surface can be easily adjusted so that it can be leveled with the road surface.

Here, the adjusting member 40 may be formed of a conventional stainless steel bolt or the like.

The packing 50 is formed in the shape of a circular ring or a circular gasket to prevent noise such as rattling due to the impact that the manhole cover C for closing the hollow of the support member 20 receives during driving of a vehicle. ) is installed between the upper surface of the manhole cover (C).

And on the lower surface of the packing 50, a plurality of plugs 51 that are press-fitted into the through-hole 22 and prevent foreign substances such as soil from entering the through-hole 22 are radially arranged.

Here, the packing 50 blocks and stably closes the gap between the upper surface of the flange 21 of the support member 20 and the lower edge of the manhole cover C, and closes tightly while being elastically deformed by elasticity when in close contact. It may be made of an elastic material, such as rubber or silicone, in order to be able to maintain the state in which it is formed.

On the other hand, the hollow of the support member 20 and the manhole cover (C) is preferably formed in a circular shape, but is not limited thereto, and for example, it is also possible to form in various shapes such as a rectangle or a polygon.

At this time, the packing 50 may be formed in a shape that appropriately corresponds to the shape of the support member 20 and the manhole cover (C).

The main action and operating principle of the height and inclination adjustable manhole cover according to the embodiment of the present invention configured as described above will be described as follows.

5, through the through hole 22 of the support member 20 when matching the height and inclination (inclination) of the support member 20 and the manhole cover (C) with the road surface during road pavement or overlay construction, etc. When a tool such as a screwdriver or a hexagon wrench is inserted into the exposed head 41 of the adjusting member 40 and rotated, the adjusting member 40 rotates and the wedge member 30 rises or descends according to the rotating direction. do.

That is, when the adjustment member 40 rotates, the head 41 is rotated in place by the count bore 12 of the support member 10 , and the screw portion 42 is wedged through the guide groove 11 . Since it is screwed with the female screw 32 of the member 30, the wedge member 30 is raised or lowered.

At this time, when the wedge member 30 descends, the gap between the inner circumferential surface (inner curved surface) of the support member 10 and the inclined portion 23 of the support member 20 is widened, and the height of the support member 20 is lowered. , Conversely, when the wedge member 30 rises, the gap between the inner circumferential surface (inner curved surface) of the support member 10 and the inclined portion 23 of the support member 20 is narrowed and the support member 20 is naturally pushed up. The height of the support member 20 increases, and the wedge member 30 firmly supports this state, so that the height of the support member 20 and the manhole cover C with respect to the road surface can be stably maintained. .

In this process, the distance between the inner circumferential surface (inner curved surface) of the support member 10 and the inclined portion 23 of the support member 20 is changed by adjusting the elevating position of the wedge member 30 with the adjusting member 40 differently. By doing so, the inclination (slope) of the support member 20 and the manhole cover C can be simply and easily matched to the inclination (slope) of the road surface without a step difference.

As such, the height and inclination-adjustable manhole cover according to the embodiment of the present invention can easily and efficiently match the horizontal and inclination with the road surface because the installation height and inclination (inclination) with the road surface are adjusted by the adjusting member 40.

On the other hand, the present invention is not limited by the above-described embodiment and the accompanying drawings, and can be variously modified and applied in various ways not illustrated within the scope without departing from the technical spirit of the present invention, as well as each It is clear to those of ordinary skill in the art to which the present invention pertains that it can be widely applied by changing the component substitution and other equivalent embodiments.

Therefore, the contents related to the modification and application of the technical features of the present invention should be interpreted as being included within the technical spirit and scope of the present invention.

10: support member 11: guide groove
12: count bore 20: support member
21: flange 22: through hole
23: inclined portion 30: wedge member
31: inclined surface 32: female thread
40: adjustment member 41: head
42: thread 50: packing
51: plug

Claims (2)

a hollow support member 10 in which a plurality of guide grooves 11 are radially arranged on an inner circumferential surface (inner curved surface), and a count bore 12 is formed at an upper end of the guide groove 11;
The lower part is inserted from the upper side of the supporting member 10 to the inside, and the flange 21 on which the upper surface of the supporting member 10 and the manhole cover C is seated is formed outwardly around the upper end, and the A hollow support member in which a plurality of through-holes 22 communicating with the guide groove 11 are formed in the flange 21 up and down in correspondence with the guide groove 11, and an inclined portion 23 that gradually narrows in width toward the bottom is formed on the outer periphery of the lower part. (20);
It is formed so as to be liftable between the lower inner peripheral surface (inner curved surface) of the support member 10 and the outer peripheral surface (outer curved surface) of the inclined portion 23 of the support member 20, away from the upper surface of the support member 20 A plurality of wedges having an inclined surface 31 that is spaced apart from the inner circumferential surface of the support member 10 as it increases, and having a female screw 32 slidably movable along the guide groove 11 on the outer circumferential surface (outer curved surface). member 30; and
The head part 41 is buried and caught in the count bore 12 of the support member 10, and the screw part 42 is inserted into the guide groove 11 and is fastened with the female screw 32 of the wedge member 30. and an adjustment member 40 for adjusting the height and inclination of the support member 20 with respect to the support member 10 by elevating the wedge member 30 according to the rotational direction;
A manhole cover with adjustable height and inclination including a.
According to claim 1,
a packing 50 interposed between the upper surface of the flange 21 and the manhole cover (C) and having a plurality of plugs 51 blocking the through-hole 22 on the lower surface arranged in a radial direction;
Height and inclination adjustable manhole cover further comprising a.

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