CN219862980U

CN219862980U - Inspection well cover structure

Info

Publication number: CN219862980U
Application number: CN202321355299.3U
Authority: CN
Inventors: 张存翔; 胡玉婷
Original assignee: Shandong Vocational College of Light Industry
Current assignee: Shandong Vocational College of Light Industry
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-20
Anticipated expiration: 2033-05-29

Abstract

The utility model belongs to the technical field of fixed buildings, and particularly relates to an inspection well cover structure, which comprises a well cover base, wherein a cross support frame and a well cover are arranged on the well cover base; the well lid base is plate-shaped, the upper surface of the well lid base is concavely provided with a square concave cavity, the middle part of the bottom wall of the square concave cavity is penetrated and provided with a circular well mouth, the direction of the cross support frame corresponds to two diagonal lines of the square well lid, four free ends of the cross support frame are correspondingly supported in mounting grooves concavely formed in the bottom wall of the square concave cavity, the upper surface of the cross support frame is level with the bottom wall of the square concave cavity, and the mounting grooves and the free ends of the cross support frame extend to positions close to the side wall of the square concave cavity; the well lid is a square well lid matched with the square concave cavity and is arranged in the square concave cavity. The utility model can provide a more stable and larger-area support for the cross support frame compared with the current round base, and can provide better support for the well lid; when the well lid is opened, the cross support frame can be taken out from the mounting groove so as to open the well mouth to the maximum extent.

Description

Inspection well cover structure

Technical Field

The utility model belongs to the technical field of well cover fixing in buildings, and particularly relates to a well cover structure.

Background

The underground pipeline is communicated to an outlet on the ground through an inspection well at intervals, the inspection well opening is level with the ground, and an inspection well cover is arranged. The manhole cover is made of various materials, most common is a cast iron manhole cover, and the shape is mainly round and square.

In order to improve the support of the well lid and avoid pressure damage, a cross support structure is usually arranged below the well lid, for example, CN202577360U, CN212248370U, CN213268008U is involved, but the cross support structure is supported on the inner edge of the existing round well lid base and even on the convex support part of the well wall, the force part is short, the area is small, the stability of the cross support structure and the available support force are limited, and the cross support structure can be further optimized and improved. The existing well lid, no matter the well lid is opened at one side, the well lid is opened at the middle part in double or four-division well flaps, can be opened by common tools such as common hooks, and the like, has no locking function, and is easy to cause abnormal opening, so that the problem of potential safety hazard exists.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide another inspection well cover structure and solve the problems that the support force provided by the conventional well cover base to the cross support structure is limited and the stability of the cross support structure is insufficient.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the manhole cover structure comprises a manhole cover base, wherein a cross support frame is supported on the manhole cover base, and a manhole cover is supported on the cross support frame; the well lid base is plate-shaped, a square concave cavity is concavely formed in the upper surface of the well lid base, a round well mouth is formed in the middle of the bottom wall of the square concave cavity in a penetrating mode, the direction of the cross support frame corresponds to two diagonal lines of the square concave cavity, four free ends of the cross support frame are correspondingly supported in mounting grooves concavely formed in the bottom wall of the square concave cavity, the upper surface of the cross support frame is flush with the bottom wall of the square concave cavity, and the mounting grooves and the free ends of the cross support frame extend to positions close to the side walls of the square concave cavity; the well lid is a square well lid matched with the square concave cavity and is arranged in the square concave cavity.

Further perfecting the technical scheme, the well lid is equally divided into four well flaps along two diagonal lines, and one side of each well flap corresponding to the square inner cavity is in one-to-one rotary connection through a pivot mechanism so as to be capable of upwards rotating to open each well flap; when each well valve is closed, the corresponding edge position of the lower surface is abutted against the upper surface of the cross support frame.

Further, the cross support frame comprises a square seat body in the middle, four side faces of the square seat body are respectively connected with a support rod with a square section through two raised side wing lugs in a rotating mode, the outer ends of the support rods are formed into free ends of the cross support frame, the inner ends of the support rods are located between the two side wing lugs and are in pivot connection with the two side wing lugs through horizontal rotating shafts, the inner end faces of the support rods are abutted to corresponding side faces of the square seat body, and round corners coaxial with the horizontal rotating shafts are arranged on the lower edges of the inner end faces of the support rods so as to enable the support rods to rotate downwards.

Further, the middle sharp angle positions of the opposite well flaps are provided with arc-shaped notches which vertically penetrate through,

the arc-shaped notch of each well valve jointly forms a vertical round hole, a sleeve with the diameter matched with the round hole is arranged in the round hole in a sliding mode, the upper end face of the sleeve is provided with a circle of convex edge and is in butt joint with the upper surface of each well valve, a lock cylinder is arranged in the sleeve, the keyhole end of the lock cylinder faces upwards, and the locking end of the lock cylinder extends downwards and can be separated from the square seat body.

Further, the middle part of the upper surface of the square seat body is concavely provided with a mounting cavity, and a locking mechanism used for being connected with the locking end in a releasable way is fixedly connected in the mounting cavity.

Further, a hook groove is formed in the wall of the arc-shaped notch, so that the hook groove is forced to open the well valve through an adaptive tool.

Further, a circle of sinking platform is arranged at the outer side of the square concave cavity at the edge of the upper surface of the well cover base.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the manhole cover structure, the square manhole cover is adopted, the corresponding manhole cover is still a round manhole cover, but the manhole cover base is corresponding to the square manhole cover, the square concave cavity is adopted, the round manhole cover is arranged in the square concave cavity, even if the round manhole cover is internally tangent to the square concave cavity, the corresponding area can be used as the supporting position of the cross support frame at the four corners of the bottom wall of the square concave cavity, and the cross support frame is provided with more stable and larger-area support than the current round base through the corresponding mounting groove, so that better support can be provided for the manhole cover; when the well lid is opened, the cross support frame can be taken out from the mounting groove so as to open the well mouth to the maximum extent.

2. According to the inspection well cover structure, the well cover is divided into four well flaps along two diagonal lines, and the well cover is connected in a rotating way, so that the use is convenient; and is provided with a locking mechanism, so that potential safety hazards caused by abnormal opening can be avoided.

Drawings

Fig. 1 is a schematic structural view of a manhole cover structure according to an embodiment;

FIG. 2 is a schematic view of the structure of the hidden well cover of FIG. 1;

FIG. 3 is a schematic view of a manhole cover base in an embodiment;

FIG. 4 is a schematic structural view of a cross support frame according to an embodiment;

FIG. 5 is a schematic illustration of the structure of FIG. 1 with two well flaps removed;

the well lid base 1, the square concave cavity 11, the well mouth 12, the sinking platform 13, the mounting groove 14, the cross support frame 2, the square seat body 21, the side wing support lugs 22, the support rods 23, the horizontal rotating shaft 24, the rounding corners 25, the well lid 3, the well flaps 31, the protruding parts 32, the recessed parts 33, the pivoting mechanism 4, the sleeve 5, the protruding edges 51, the lock cylinders 52 and the locking mechanism 53.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Referring to fig. 1-3, a manhole cover structure of a specific embodiment includes a manhole cover base 1, a cross support frame 2 is supported on the manhole cover base 1, and a manhole cover 3 is supported on the cross support frame 2; the well lid base 1 is plate-shaped, a square concave cavity 11 is concavely formed in the upper surface of the well lid base, a round well mouth 12 is formed in the middle of the bottom wall of the square concave cavity 11 in a penetrating mode, the well mouth 12 is concentric with the square concave cavity 11, the diameter of the well mouth is smaller than the side length of the square concave cavity 11, the direction of the cross support frame 2 corresponds to two diagonal lines of the square concave cavity 11, four free ends of the cross support frame 2 are correspondingly supported in a mounting groove 14 concavely formed in the bottom wall of the square concave cavity 11, the upper surface of the cross support frame 2 is level with the bottom wall of the square concave cavity 11, and the mounting groove 14 and the free ends of the cross support frame 2 extend to positions close to the side wall of the square concave cavity 11; the well cover 3 is a square well cover matched with the square concave cavity 11 and is arranged in the square concave cavity 11.

According to the inspection well cover structure, the square well cover 3 is adopted, the corresponding well head 12 is still the round well head 12, but the well cover base 1 is corresponding to the square well cover, the square concave cavity 11 is adopted, the round well head 12 is arranged in the square concave cavity 11, even if the round well head is internally tangent to the square concave cavity 11, a considerable area can still be used as the supporting position of the cross support frame 2 at the four corners of the bottom wall of the square concave cavity 11, and a more stable and larger-area support can be provided for the cross support frame 2 compared with the current round base through the corresponding mounting groove 14, so that better support can be provided for the well cover 3. When the well cover 3 is opened, the cross support frame 2 can be taken out from the mounting groove 14 so as to open the well mouth 12 to the maximum extent.

Wherein, the well lid 3 is equally divided into four well flaps 31 along two diagonal lines, and one side of each well flap 31 corresponding to the square inner cavity is in one-to-one rotary connection through the pivot mechanism 4 so as to be capable of upwards rotating to open each well flap 31; when each well valve 31 is closed, the corresponding edge position of the lower surface is abutted against the upper surface of the cross support frame 2.

Like this, effectively utilize the supporting effect of cross support frame 2, guarantee to the effective support of four well valves 31, when the well head 12 little aperture demand such as non-well, can only open a well valve 31, implement and stretch into operations such as dredging tool, more light convenience.

With continued reference to fig. 2 and 4, the cross support 2 includes a square seat 21 in the middle, four sides of the square seat 21 are respectively connected with a support rod 23 with a square cross section through two raised side wing lugs 22 in a rotating manner, the outer ends of the support rods 23 are formed into free ends of the cross support 2, the inner ends of the support rods 23 are located between the two side wing lugs 22 and are pivotally connected with the two side wing lugs 22 through horizontal rotating shafts 24, the inner end surfaces of the support rods 23 are abutted against corresponding sides of the square seat 21, and rounded corners 25 coaxial with the horizontal rotating shafts 24 are arranged on the lower edges of the inner end surfaces of the support rods 23 so as to be rotatable downwards. The upper surfaces of the square seat body 21 and the supporting rod 23 are flush with the bottom wall of the square cavity 11.

In this way, the support rods 23 are limited in rotation in the horizontal direction and can only rotate downwards, so that the support functionality is unchanged, but after the cross support frame 2 is taken out or before being installed and used, the four support rods 23 can be folded and stored for transportation. It will be appreciated that, to ensure rotation, the distance from the axis of the horizontal shaft 24 to the lower surface and the inner end of the support rod 23 should be consistent, and the rounded corner 25 is a quarter circle, so as to ensure rotation abdication.

With continued reference to fig. 5, the middle sharp angle positions of each well clack 31 opposite to each other are respectively provided with a vertically penetrating arc-shaped notch, the arc-shaped notches of each well clack 31 together form a vertical round hole, a sleeve 5 with a diameter matched with that of the round hole is slidably arranged in the round hole, the upper end surface of the sleeve 5 is provided with a circle of convex edge 51 and is abutted against the upper surface of each well clack 31, a lock cylinder 52 is arranged in the sleeve 5, the keyhole end of the lock cylinder 52 faces upwards, and the locking end (not shown in the figure) of the lock cylinder 52 extends downwards and can be disconnected with the square seat 21.

Like this, during the normal state operating personnel pass through specialized tool with lock core 52 locking, lock end and square pedestal 21 lock are connected, lock core 52 fixed connection in sleeve 5, and sleeve 5 can not upwards slide and take out, and sleeve 5 pushes down the upper surface in each well lamella 31 arc breach position through its protruding edge 51 to realize the locking to well lid 3, avoid opening unusually and lead to the potential safety hazard. When needed, an operator can rotate from the keyhole end through a special tool, so that the connection between the locking end and the square seat body 21 is released, the sleeve 5 can slide upwards to be taken out, the restriction on the opening of the well valve 31 is relieved, and the well valve 31 can be opened for operation. When the locking device is implemented, the keyhole end can be a common triangular boss, the special tool is a wrench with a triangular concave, the locking end can be an inverted T-shaped end, and the locking end can be locked by rotating a certain angle after falling into the slot opening, so that the locking is prevented from falling out; and then the triangular boss rotates to the corresponding position of the slot opening, and can be taken out upwards. Is an existing means and will not be described in detail. In order to avoid the lifting of the well valve 31, the sleeve 5 and the cross support frame 2 by strong driving, the cross support frame 2 can be fixed in the well lid base 1 by connecting the free end of the supporting rod 23 with the embedded internal screw thread part of the bottom wall of the mounting groove 14 through bolts.

With continued reference to fig. 2, a mounting cavity is concavely formed in the middle of the upper surface of the square seat 21, and a locking mechanism 53 for releasably connecting the locking ends is fixedly connected in the mounting cavity.

Thus, the manufacturing process, the assembly forming and the manufacturing cost are reduced.

Wherein a hooking groove (not shown) is provided in the wall of the arc-shaped gap so as to force the hooking groove to open the well flap 31 by means of an adapted tool. Thus, after the operator unlocks and takes out the sleeve 5 through a special tool, the operator can continue to use the uncapping tool, connect in the hook groove, lift and open the well valve 31 upwards, and the operation is convenient. The unlocking tool and the uncovering tool can be manufactured into an integrated structure due to the use simultaneity, the structure can be a T structure, the concave shape for unlocking is processed at the two ends of the transverse handle, the lower end is in a hook shape matched with the hook groove, and the transverse handle can be used for exerting force when uncovering, so that the use is convenient.

Wherein, the upper surface edge of the well lid base 1 is provided with a circle of sinking platform 13 at the outer side of the square concave cavity 11. Thus, the pavement is conveniently paved in the field construction process, the pavement is covered on the sinking table 13, the pavement is flush with the upper surface of the well lid base 1 and the well lid 3, and the stability of the well lid base 1 is improved.

In practice, the well lid base 1 may be a prefabricated steel-concrete structure, and the pivot of the pivot mechanism 4 is embedded therein.

In practice, the walls of the adjacent sides of each well flap 31 may be respectively provided with a convex portion 32 and a concave portion 33 which are mutually matched, and the concave portion 33 penetrates the lower surface of the well flap 31 downwards, so that when the well lid 3 is opened completely, the well flaps 31 with the concave portions 33 need to be opened first, and then the well flaps 31 with the convex portions 32 can be opened, and are in operative connection with each other, so that some required function settings, such as an opening sequence, can be met.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The manhole cover structure comprises a manhole cover base, wherein a cross support frame is supported on the manhole cover base, and a manhole cover is supported on the cross support frame; the method is characterized in that: the well lid base is plate-shaped, a square concave cavity is concavely formed in the upper surface of the well lid base, a round well mouth is formed in the middle of the bottom wall of the square concave cavity in a penetrating mode, the direction of the cross support frame corresponds to two diagonal lines of the square concave cavity, four free ends of the cross support frame are correspondingly supported in mounting grooves concavely formed in the bottom wall of the square concave cavity, the upper surface of the cross support frame is flush with the bottom wall of the square concave cavity, and the mounting grooves and the free ends of the cross support frame extend to positions close to the side walls of the square concave cavity; the well lid is a square well lid matched with the square concave cavity and is arranged in the square concave cavity.

2. A manhole cover structure according to claim 1, wherein: the well lid is divided into four well flaps along two diagonal lines, and one side of each well flap corresponding to the square inner cavity is connected with one side in a one-to-one manner through a pivot mechanism so as to be capable of upwards rotating to open each well flap; when each well valve is closed, the corresponding edge position of the lower surface is abutted against the upper surface of the cross support frame.

3. A manhole cover structure according to claim 2, wherein: the cross support frame comprises a square seat body in the middle, four side faces of the square seat body are respectively connected with a square support rod through two raised side wing lugs in a rotating mode, the outer ends of the support rods are formed into free ends of the cross support frame, the inner ends of the support rods are located between the two side wing lugs and are connected with the two side wing lugs in a pivoting mode through horizontal rotating shafts, the inner end faces of the support rods are abutted to corresponding side faces of the square seat body, and round corners coaxial with the horizontal rotating shafts are arranged on the lower edges of the inner end faces of the support rods so as to enable the support rods to rotate downwards.

4. A manhole cover structure according to claim 3, wherein: the middle sharp angle positions of the opposite well flaps are provided with arc-shaped notches which vertically penetrate through,

5. A manhole cover structure according to claim 4, wherein: the middle part of the upper surface of the square seat body is concavely provided with an installation cavity, and a locking mechanism which is used for releasing and connecting the locking end is fixedly connected in the installation cavity.

6. A manhole cover structure according to claim 4, wherein: the wall of the arc-shaped notch is provided with a hook groove so as to force the hook groove to open the well valve through an adaptive tool.

7. A manhole cover structure according to any one of claims 1 to 6, wherein: the edge of the upper surface of the well cover base is provided with a circle of sinking table at the outer side of the square concave cavity.