JPH0739963Y2 - Underground structure lid - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial field of application] The present invention applies to sewers, waterworks, and gas.
And underground buried objects, underground structure facilities for power and communication,
Openings through underground facility equipment, wiring and piping, etc. and above ground
The present invention relates to a lid for an underground structure that opens and closes .

[0002]

2. Description of the Related Art Conventionally, a hinge having a receiving frame and a lid main body provided on the receiving frame so as to be openable and closable, and provided in a hanging shape on the lid main body.
The ingredients, underground construction for the lid of the manhole cover or the like to <br/> to couple by inserting a seat provided on the inner surface of the receiving frame is known numerous. Of such lids for underground structures, the structure in which the seat provided on the receiving frame is removable is, for example, the actual open sho 62.
No. 172746 and Japanese Utility Model Laid-Open No. 62-190745. The conventional lid for underground structure described above is provided with a plate-like portion on the seat, and the plate-like portion is engaged with an engaging portion or the like provided on the inner surface of the receiving frame, and is screwed with a bolt to form the seat. It is fixed to the inner surface of the receiving frame. And
If necessary, you can change the fixing position of the strike plate in the receiving frame.
By, you can change the opening and closing direction of the lid body
Growling.

[0003]

However, with the above-mentioned conventional configuration, the bolts and the like can be used to attach and detach the receiving seat to the receiving frame.
It cannot be done without loosening, so after the installation of the receiving frame is completed
In this case, the direction of the lid body can not be easily changed, and if the seat is damaged or damaged, the receiving frame must be excavated from the ground and replaced. Therefore installed
At the site, if there is a step such as a curb on the sidewalk or a street tree in the opening direction of the lid body and the lid body cannot be fully opened due to the lid body not opening sufficiently, maintenance and repair in the manhole The access of workers at the time is restricted, which may interfere with the work, but with the conventional one the lid
It is not easy to deal with this by changing the opening direction of the main unit.
Yes . Also, the design of the surface of the lid body is directional .
Even if UNA, in accordance with the situation in the vicinity of the installation site, it is difficult to modify the direction of it. Furthermore, since the receiving seat is fixed to the inside of the receiving frame in a protruding shape, the effective inner diameter inside the receiving frame is reduced, and a large resistance acts when the lid body rotates or swivels when opening and closing, and it opens and closes quickly. In many cases, it cannot be operated. Also, when attaching or detaching the lid main body to or from the receiving frame, the lid main body is erected in the direction crossing the receiving frame, and the lower end portion of the hinge is fixed.
Since the work of attaching and detaching to and from the seat must be done, the operator is forced to perform a troublesome and forceful operation while straddling the receiving frame opening, and the risk of falling into the receiving frame opening is extremely high. is there. In addition, a state where the lid body is stored in the receiving frame
In this state, the lower end of the hinge is below the lower end of the receiving frame.
As it protrudes, it can not be stacked as it is,
Very inconvenient for storage and transportation. Therefore, even after the receiving frame is installed, the direction of the lid body can be changed very easily, and the effective range inside the receiving frame is wide, so opening / closing and attaching / detaching of the lid body can be performed very easily and safely. Even if the lid body is stored, the lower end of the hinge will be received.
There is a demand for a lid for underground structures that does not project downward from the lower end surface of the frame .

[0004]

Means for Solving the Problems Underground structure lid of the present invention
Was devised in consideration of the above problems, and swings the hinge.
A lid body that is vertically movably installed and the lid body that can be opened and closed
The receiving frame described above is
Multiple mounting cavities to be opened are formed, and
A catch is detachably attached to the hinge part, and at the lower end of the above-mentioned hinge,
A special feature is that a stopper that is locked to the lower surface of the seat is provided.
It is a sign. In addition, move the seat from the substantially horizontal state upward.
There is also one that can be tilted only. Furthermore, the above structure
At the seat provided on the receiving frame, the stopper part of the hinge
Can pass through and the stopper cannot pass
With the locking vacant part that rotatably locks the hinge with the
A communication space that connects the overspace and the locking space is provided, and
The inclined passages are formed individually on the inner surface facing each other.
Passes when the hinge is moved up and down in an inclined manner by
The lower surface of the locking space is almost the same as the upper surface of the stopper.
Some also have matching arcuate concave surfaces.

[0005]

[Function] In the lid for the underground structure of the present invention, the seat is
Can be attached to and detached from any of the multiple mounting vacant areas provided on the frame
It has become Noh. Then, it was oscillated vertically on the lid body.
Insert the hinge into the catch that is attached to the empty space.
This constitutes a hinge mechanism that opens and closes the lid body. Hinge
The stopper at the bottom of the hinge prevents the hinge from coming off the seat.
It is to prevent. Raise the seat from a substantially horizontal state
If it is installed so that it can be tilted only in one direction,
In addition, if the stopper part of the hinge comes into contact with the lower surface of the seat,
When the seat is pulled up by the stopper,
Can tilt upwards. Passing empty part to the seat
An inner surface that has a stop space and a connection space and faces the passage space.
A slanted part is formed on the bottom of the stopper part
There is also one in which an arcuate concave surface is formed which substantially coincides with the surface. Passing sky
The part is for inserting or removing the hinge device in the seat.
The only part through which the stopper at the bottom of the hinge can pass
Is. Individual slopes are formed on the opposing inner surfaces of the passage space
Only when the hinge is tilted and moved up and down.
I am able to do it. The communication space was inserted into the seat
When the hinge is moved between the empty space and the locking space,
This is the part that becomes the road. The hinge is separated from the seat in the locking space.
It is a part that is locked so as not to come off. Of hinges here
The main body can move up and down and rotate, but the stopper at the bottom
The department is not allowed to pass. On the underside of the locking space
By forming an arcuate concave surface, the upper surface of the stopper part
Even when the hinge is in contact with the bottom surface of the locking space, the hinge will rotate smoothly.
I am able to move.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments of the drawings. The underground structure lid 1 of the present invention includes an annular receiving frame 2 and a lid body 3 that opens and closes the receiving frame 2 described above.

The receiving frame 2 has an inclined fitting portion 4 whose diameter is slightly reduced downward on the inner peripheral surface thereof, and a plurality of mounting cavities 5 are provided on the side wall portion below the inclined fitting portion 4. ... is provided. As shown in FIG. 3 to FIG. 6, the above-mentioned mounting vacant portion 5 bulges out so that the front open surface 6 opens inside the receiving frame 2 and the rearward portion extends toward the outer periphery of the receiving frame 2. A supporting groove portion 7 is formed in the vertical direction on the left and right side walls.

The above-mentioned support groove portion 7 has a receiving seat 13 which will be described later.
And a sand guide portion 9 extending downward from the above-mentioned fitting groove portion 8 are vertically provided, and a lower edge of the fitting groove portion 8 is a semi-arcuate shape. Further, the sand guide portion 9 has a very narrow width and the bottom surface is inclined downward toward the mounting empty portion 5. The upper edge of the support groove portion 7 is opened inside the receiving frame 2 by the passage gap portion 10. A locking piece 11 shorter than the lateral width of the mounting space 5 is provided downward at the upper edge of the front open surface 6, and the locking piece 1 described above is provided.
A space 1 is formed between the left and right ends of the mounting member 1 and the side wall of the mounting space 5.
Have two. The mounting cavities 5 having the above-described structure may be provided at two positions at 180 ° intervals so as to face each other in the diametrical direction of the receiving frame 2, or 90 so as to face each other in the two diametrical directions where the receiving frame 2 intersects. You may provide four places at intervals.

As shown in FIGS. 7 to 12, the receiving seat 13 which is detachably attached to any of the plurality of mounting cavities 5 and can be tilted upward only from a substantially horizontal state is shown in FIGS. A horizontally-oriented frame-shaped pivoting pin 15 which is a frame member having a quadrilateral plane shape and whose upper half is cut on the left and right side surfaces of the base end portion 14.
Are projected outward, and the locking wing pieces 16 are extended on the left and right side surfaces. Then, the base end portion 14 of the seat 13 described above.
Is provided with a passage space 17 and the tip portion 1
8, a locking space 19 is provided, and a communication space 20 that communicates the passage space 17 and the locking space 19 described above is used as a seat 1.
3 is formed in the longitudinal direction.

Below the facing side surfaces of the above-mentioned passage space 17, an inclined portion 34 composed of a first inclined surface 21 and a second inclined surface 22 inclined in the same direction as shown in FIG. When the hinge 24 has passed in the vertical direction, the hinge 24 is guided obliquely by the first inclined surface 21 and the second inclined surface 22. In addition, an arcuate concave surface 23 is formed on the lower inner peripheral surface of the locking empty portion 19 so that the hinge 24 is smoothly rotated, tilted and slid.

The hinge 24, which is pivotally suspended from one side edge of the lid body 3 and swingably hangs down, has a rod shape in the vertical direction, and laterally extending shafts 25 are provided on the left and right side surfaces of the upper end. By mounting the above-mentioned shaft 25 in the support groove 27 of the bearing plate 26 provided on the lower surface of one side edge of the lid main body 3 in an opposed manner, and supporting the shaft 25 by the stopper tool 28 fitted in the support groove 27. The hinge 24 is supported so as to be swingable in the front-back direction with the shaft 25 as a fulcrum.

An outward engaging portion 29 is provided below the hinge 24 and an enlarged stopper portion 3 is provided at the lower end thereof.
0 is provided integrally. Stopper part 3 mentioned above
In No. 0, the lower surface is flat and the upper surface portion 31 is hemispherical. In the state where the hinge 24 is hung on the lower side of the lid body 3 by the shaft 25, as shown in FIG. 16, the hinge portion 24 is inclined to the extent that the engaging portion 29 slightly projects outward from the outer edge of the lid body 3 by its own weight. is doing. Then, the stopper portion 30 of the hinge 24 can vertically pass through the passage empty portion 17 of the receiving seat 13 by performing an operation described later, but the stopper empty portion 19 and the connecting empty portion 20 can be vertically moved. You cannot pass. However, since the diameter of the upper portion of the stopper portion 30 is reduced, the hinge 24 can pass through the locking empty portion 19 and the connecting empty portion 20 in the horizontal direction. In addition, in the seat 13,
Engaging protrusions 32 are provided on the upper surface of the base end portion 14, and guide protrusions 33 are provided on the left and right sides of the upper surface of the tip end portion 18.

In the mounting space 5 and the seat 13 described above, the lateral widths of the mounting space 5 and the base end portion 14 of the seat 13 are substantially the same, and the left and right pivot pins 15 of the seat 13 are substantially the same. Can be fitted into the left and right support groove portions 7 of the mounting space 5, respectively. Furthermore, the passage gap portion 10 of the support groove portion 7 is dimensioned so that the thinnest portion h (see FIG. 9) of the pivot pin 15 can pass, but the other portions cannot pass.

The underground structure lid 1 of the present invention has the above-mentioned structure, and is provided with a seat 13 in any of the mounting vacant portions 5 of the receiving frame 2.
In order to mount, the front end portion 18 of the seat 13 is tilted upward and the base end portion 14 is tilted downward so as to face the front side of the mounting space 5, and the engaging protrusion of the base end portion 14 is engaged. After the child 32 is passed through the passage gap portion 10, the left and right pivot pins 15 are passed through the passage gap portion 10 while holding the seat 13 horizontally, and are fitted into the fitting groove portion 8 of the support groove portion 7. In this case, the pivot pins 15 on the left and right of the seat 13 are the thinnest part.
Since h is in a state of passing through the passage gap portion 10, it is possible to comfortably pass through the passage gap portion 10 and fit into the support groove portion 7.

When the left and right pivot pins 15 are mounted up to the fitting groove portion 8 of the supporting groove portion 7 as described above, each pivot pin 15 is attached.
Is lowered by the weight of the receiving seat 13 and fitted into the bottom of the fitting groove portion 8 to be tiltable. But the seat 13
Since the end surfaces of the left and right locking wing pieces 16 are locked to the inner surface of the receiving frame 2, they are in a substantially horizontal state and cannot be tilted downward, but can be tilted upward.

When the receiving seat 13 is attached to the inner surface of the receiving frame 2 by the above-described operation, the passage empty portion 17, the locking empty portion 19, and the connecting empty portion 20 of the receiving seat 13 are located inside the receiving frame 2. Therefore, the hinge 24 provided swingably on the lower surface of the lid body 3 is engaged.
It is ready to stop . Specifically,
The lid body 3 fitted with a hinge member 24 to the hanging state in the vertical state to a state of suspended hinge member 24 to the lower edge, passed from above the hinge member 24 to pass through hollow portion 17 of the seat 13. In this case, the first inclined surface 21, the second
Since the inclined surface 22 is formed, the stopper portion 30
When passing under the passage empty part 17, it is necessary to shift or incline the hinge 24 by the inclination of the first inclined surface 21 or the second inclined surface 22, and the hinge 24 is moved vertically. only the stopper unit 30 does not pass through the passing hollow portion 17.

Therefore, in this embodiment, the shaft 25 of the hinge 24 is provided.
By providing a slight clearance in the support part of
The hinge 24 is not only swingable back and forth around the shaft 25 , but also swings slightly to the left and right. Therefore, in a state the hinge device 24 sets a lid body 3 vertically suspended in the lower edge, slowly stopper portion 30 in the pass hollow portion 17
Then , the stopper portion 30 slides along the second inclined surface 22 and descends to a predetermined position, and the mounting of the hinge 24 in the passage empty portion 17 is completed. On the contrary, the lid body 3 and the hinge 24 are put in the same state as described above, and the lid body 3 is gently moved.
Since the stopper portion 30 does not slide up along the first inclined surface 21 unless it is pulled up, the hinge 24
Does not easily come off the passage portion 17.

Since the stopper portion 30 has a flat lower surface and an upper surface portion 31 having a hemispherical shape, when the hinge 24 is attached to or detached from the passage empty portion 17, the opening portion of the receiving frame 2 is fixed as in the conventional case. It is not necessary to stand the lid body 3 upright in the transverse direction to perform the attaching / detaching work. That is, the worker can stand up and down on the ground surface outside the receiving frame 2 without straddling the opening of the receiving frame 2, and thus the safety is greatly improved. In addition, the above-mentioned work for removing the stopper portion 30 from the passage empty portion 17 is
Since it requires a delicate and slow operation artificially, after the hinge 24 is attached to the passage empty portion 17, the stopper portion 30 is opened and closed by the normal opening / closing operation of the lid body 3.
Does not accidentally leave the passing space 17.

When the stopper portion 30 passes through the passage empty portion 17 and is located on the lower surface of the receiving seat 13, the lid main body 3 is moved toward the center of the receiving frame 2 to lock the hinge 24 from the communication empty portion 20. The stopper portion 30 is guided to the empty portion 19 and the stopper portion 30 is locked.
Can be located on the underside of. When the stopper portion 30 is located on the lower surface of the locking empty portion 19, the upper surface portion 31
And the arcuate concave surface 23 on the lower surface of the locking hollow portion 19 are fitted in conformity with each other, so that the hinge 24 is easily rotated and rotated around the stopper portion 30. Further, the hinge member 24 may be tilted or moved vertically when positioned within Kakaritomesora portion 19, moreover also possible to move from the contact hollow portion 20 to pass through hollow portion 17. When the lid main body 3 is closed on the receiving frame 2, as shown in FIG.
As shown by 7, the hinge 24 is in a suspended state from the lid body 3 and is located in the passing space 17 of the seat 13. At this time,
Since the locking portion 29 of the hinge 24 is located directly below the locking piece 11 of the receiving frame 2, even if an upward pressure acts on the lid body 3 due to internal water pressure or the like, the lid body 3 is likely to rise. Locking part 2
By locking 9 to the locking piece 11, the lid body 3 is prevented from coming off the receiving frame 2.

When the lid main body 3 is closed to the receiving frame 2 and one side edge of the lid main body 3 is lifted up by, for example, a bar to open it while pulling it up, the hinge tool 24 receives the seat 13 as shown in FIG.
Since the stopper portion 30 is engaged with the lower surface of the locking empty portion 19 by moving from the passage empty portion 17 to the locking empty portion 19, the lid main body 3
Moves about the length of the hinge 24 and the seat 13 , and one side edge is located on the upper surface of the receiving frame 2. In this state, when the lid main body 3 is pivoted 180 degrees in the horizontal direction with the hinge 24 as the center fulcrum, the seat 13 is tilted upward as shown in FIG. 19, so that the lid main body 3 pivots on the ground surface. Therefore, the receiving frame 2 can be sufficiently opened. In FIG. 19, the hinge 24 seems to move away from the locking space 19 of the seat 13 toward the passage space 17 and the hinge 24 seems to come off the seat 13, but the stopper portion 30 of the hinge 24 is shown. Top part 31 of
Is engaged with the arcuate concave surface 23 on the lower surface of the locking empty portion 19, the stopper portion 30 cannot move , and there is no possibility that the hinge 24 will come off from the seat 13.

Further, when the lid body 3 is vertically inverted 180 degrees from the state shown in FIG. 18 with the hinge 24 as the center fulcrum, the hinge 24 rises as shown in FIG.
Since 3 is tilted upward, the receiving frame 2 can be sufficiently opened. In either case described above also, seat 13 with the movement of the hinge member 24 that by the inverting or turning the lid body 3 is so tilted while following, can be opened without difficulty lid body 3. Further, when closing the lid main body 3 on the receiving frame 2, it is sufficient to perform a turning operation or a reversing operation in the opposite direction to the above. When closing the lid main body 3, the lower end edge of the lid main body 3 can be moved while sliding on the guide protrusion 33 of the seat 13, so that the position can be easily adjusted.
It is easy to operate.

When the lid body 3 is opened or closed, the seat 1 is tilted upward.
3 and the hinge 24 are performed in cooperation with each other, so that the hinge 2
Even if the length of 4 is shorter than the conventional one, a sufficient operation range can be secured. Also, shorten the hinge 24, the hinge 24
Since the lower end of the lid does not protrude from the lower surface of the receiving frame 2, the lid main body 3 is stored in the receiving frame 2 in a stacked state.
A convenient unobtrusive even when carrying it constraints the installation site because it also is also extremely small become convenient to install more places like without dimensional margin below the lower surface of the receiving frame 2. It should be noted that the seat 13 is located at a position diametrically opposed to the mounting space 5 in which the seat 13 is mounted.
The mounting vacant portion 5 to which the lock is not attached can also serve as a lock seat to which a lock fitting provided on the lid is locked.

[0023] Although the present invention has been described in detail with reference to examples of the drawings, the present invention is not limited to the embodiment described above, unless you change the configuration described in the scope of the claims as It can be implemented in any way.

[0024]

[Effects of the Invention] In summary, according to the present invention, it comprises a lid main body provided with a hinge in a hanging shape, and a receiving frame for closing the lid main body so that the lid main body can be opened and closed. A plurality of mounting cavities are formed, and a receiving seat is removably provided in any of the mounting cavities, the hinge provided on the lid body is swingable, and the lower end is locked to the lower surface of the receiving seat. Is provided, and the receiving seat has a passage empty portion through which the stopper portion of the hinge can pass, a locking empty portion for locking the hinge because the stopper portion cannot pass, and the above passage empty portion. Since the communication empty portion that communicates with the locking empty portion is provided, the direction of the lid main body can be changed by changing the mounting position of the receiving seat even after the receiving frame is installed. Therefore, if there are curbs, trees, etc. in the turning direction and the reversing direction of the lid body, which obstructs the above obstacles, simply change the position of the seat to change the opening fulcrum position of the lid body. You can

In addition, there is a direction in the design of the lid body ,
Even if it does not match the direction of the road surface , the position of the seat can be changed to change the design state of the lid body. Moreover, since the seat is tilted upward from the horizontal state,
In the state opening the lid body or the short protruding length of the seat to the interior of the receiving frame no longer, not only out of the worker effective opening area is increased in the receiving frame is facilitated, large maintenance equipment, etc. the loaded into the manhole, it is possible to carry-out. In addition, the seat may be missing or damaged.
In that case, just replace the receiving frame without changing the receiving frame.
Because it is convenient, Furthermore, since the hinges are extremely short and can be stored within the range of the height of the receiving frame, it is possible to stack them with the lid main body stored in the receiving frame in a manufacturing plant, for example. It is of high practical value without the need for.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention.

FIG. 2 is an enlarged plan view of a main part.

FIG. 3 is a partial perspective view of a disassembled main part.

FIG. 4 is a front view in which a part of a mounting empty portion is cut away.

5 is a cross-sectional view taken along the line AA of FIG.

6 is a sectional view taken along line BB of FIG.

FIG. 7 is a plan view seen from above the seat.

FIG. 8 is a bottom view of the seat.

FIG. 9 is a right side view of the seat.

FIG. 10 is a left side view of the seat.

11 is a sectional view taken along line CC of FIG.

12 is a sectional view taken along line D-D in FIG. 7.

13 is a sectional view taken along line EE of FIG.

14 is a cross-sectional view taken along line F-F of FIG.

15 is a sectional view taken along line GG of FIG.

FIG. 16 is a vertical cross-sectional side view showing a state in which a receiving frame, a receiving seat, and a lid main body are separated.

FIG. 17 is a vertical cross-sectional side view showing a state where the receiving frame, the receiving seat, and the lid main body are assembled.

FIG. 18 is a vertical sectional side view when the lid body is opened.

FIG. 19 is a vertical cross-sectional side view of a main part when the lid body is swung 180 degrees horizontally.

FIG. 20 is a vertical cross-sectional side view of the main part when the lid body is flipped 180 degrees in the vertical direction.

[Explanation of symbols]

 1 Underground Structure Lid 2 Receiving Frame 3 Lid Main Body 5 Mounting Space 6 Front Opening Surface 7 Support Groove 10 Passage Gap 13 Seat 14 Base End Part 15 Pivoting Pin 17 Passage Space 18 Tip End 19 Locking Space 20 Connecting space 21 First inclined surface 22 Second inclined surface 23 Arc-shaped concave surface 24 Hinge tool 25 Shaft 30 Stopper portion 31 Upper surface portion 34 Sloping portion

Claims (3)

[Scope of utility model registration request] 1. A lid main body in which a hinge is vertically oscillated, and the same.
The lid body consists of a receiving frame that can be opened and closed.
The receiving frame has multiple mounting cavities that open to the inside of the receiving frame.
And install a catch on either of the mounting vacant parts
At the lower end of the hinge shown, there is a stopper that is locked to the lower surface of the seat.
A lid for an underground structure, which is characterized by having a par portion . 2. The seat can be tilted upward only from a substantially horizontal state.
The lid for an underground structure according to claim 1, wherein the lid is for an underground structure. The 3. A seat provided on the receiving frame, and a passing empty portion the stopper portion of the hinge member can pass, a locking hollow portion for locking the hinge device pivotally by the stopper portion can not pass, the The connecting empty space that connects the passing empty space and the locking empty space is installed.
However, the above-mentioned passage empty portion is formed with an inclined portion individually on the inner surface facing each other so that it can pass when the hinge tool is moved up and down in an inclined manner, and a stopper portion is provided on the lower surface of the locking empty portion.
The lid for an underground structure according to claim 1 or 2, wherein an arcuate concave surface that substantially coincides with the upper surface is formed .