CN215483130U

CN215483130U - Inspection well cover

Info

Publication number: CN215483130U
Application number: CN202121312592.2U
Authority: CN
Inventors: 曾光辉; 谭国良; 茹沛斌
Original assignee: Guangzhou Land Space Urban Planning And Design Institute Co ltd
Current assignee: Guangzhou Zhongheng Urban Planning Survey And Design Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-11
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a manhole cover which is applicable to inspection wells of box culvert and rectangular structures; the inspection well cover comprises a well frame and a well cover; the inner wall of the well frame is provided with a first supporting seat which extends transversely, and the first supporting seat is provided with a first groove; one side of the well lid is positioned in the first groove and is provided with a mounting groove structure, and two side walls of the mounting groove structure are respectively provided with a strip-shaped through hole along the extension direction of the well lid; a convex part is arranged in the first groove, is positioned in the mounting groove structure and is in rotating fit with the strip-shaped through hole through a hinge; when the top end of the strip-shaped hole moves to the hinge piece, the well cover is in a rotation locking state; when the bottom in bar hole moved to the articulated elements, the well lid was in and rotates unblock state. Above-mentioned scheme can solve present manhole cover and rotate to open the back and lead to the well lid to take place the risk of closing accidentally because of lacking effective fixed, and then influence the workman and overhaul the problem of operation safety.

Description

Inspection well cover

Technical Field

The utility model relates to the technical field of municipal construction, in particular to a manhole cover.

Background

The inspection well is a vertical structure for connecting, inspecting and maintaining pipelines and is sealed by an openable inspection well cover; wherein, as a structure of current inspection well lid, disclose a trapezoidal nodular cast iron theftproof cellar for storing things well lid and well frame thereof as in the patent that patent number is CN212689013U, it includes well frame and well lid, and the well lid includes first trapezoidal plate and second trapezoidal plate, and first trapezoidal plate and second trapezoidal plate rotational symmetry set up on square well frame to realize the switching of inspection shaft well head through rotating first trapezoidal plate and second trapezoidal plate.

However, the existing manhole cover still has the defects; if the well lid rotates and opens the back and lack effective fixed, and then lead to there being the well lid to take place unexpected closed risk easily among the workman overhauls the operation engineering, influence the safety that the workman overhauld the operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a manhole cover, which aims to solve the problem that the current manhole cover is easy to be closed accidentally due to lack of effective fixation after the manhole cover is opened by rotation, and further the safety of overhaul operation of workers is influenced.

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

a manhole cover comprises a manhole frame and a manhole cover; the inner wall of the well frame is provided with a first support seat which extends transversely, and a first groove is formed in the first support seat; one side of the well lid is positioned in the first groove and is provided with an installation groove structure, and two side walls of the installation groove structure are respectively provided with a strip-shaped through hole along the extension direction of the well lid; a convex part is arranged in the first groove, is positioned in the mounting groove structure and is in rotating fit with the strip-shaped through hole through a hinge; when the top end of the strip-shaped hole moves to the hinged piece, the well cover is in a rotation locking state; when the bottom in bar hole moves to when the articulated elements, the well lid is in and rotates unblock state.

Optionally, one side of the well lid corresponding to the first groove is provided with two opposite ear plates, and the two ear plates form the mounting groove structure; the two ear plates are respectively provided with the strip-shaped through holes.

Optionally, the top surface of first supporting seat is provided with the shock strip, just the shock strip is followed the extending direction of first supporting seat distributes, and is located first recess is kept away from one side of the inner wall of well frame.

Optionally, the top surface of the first supporting seat is provided with a clamping groove matched with the damping strip, the clamping groove is arranged along the extending direction of the first supporting seat, the bottom end of the damping strip is clamped in the clamping groove, and the top end of the damping strip protrudes out of the top surface of the first supporting seat.

Optionally, the damping strip is a trapezoidal damping strip with a trapezoidal cross section, and the clamping groove is a trapezoidal through groove adapted to the trapezoidal damping strip.

Optionally, the hinge is a stainless steel bolt or a stainless steel pin.

Optionally, the well frame is a square well frame, and two first supporting seats are respectively arranged on two opposite inner side walls of the well frame; the well lid includes four right trapezoid lid to rotate respectively and set up in corresponding on the first supporting seat.

Optionally, two other inner side walls opposite to the well frame are respectively provided with a second supporting seat, and right-angle sides on one side of the right-angle trapezoid cover body located on the outer side are erected on the corresponding second supporting seats.

Optionally, the right-angled edge of one side of the right-angled trapezoid cover body, which is used for being erected on the second support seat, is provided with a flanging structure, the top surface of the second support seat is provided with a second groove adapted to the flanging structure, and the flanging structure is embedded in the second groove.

Optionally, the two inner side walls of the well frame provided with the first supporting seat are further provided with bosses for supporting and carrying the free ends of the right trapezoid covers.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

the detection well lid disclosed by the utility model is characterized in that a first supporting seat transversely extends and is arranged on the inner wall of a well frame, and a first groove is formed in the first supporting seat, so that one side of the well lid is positioned in the first groove, and a mounting groove structure arranged on the side of the well lid is matched with a convex part in the first groove, so that an articulated piece is arranged in a strip-shaped through hole and a convex part of two side walls of the mounting groove structure in a penetrating manner, the rotation connection between the well lid and the well frame is further realized, and the rotation locking and the rotation unlocking of the well lid are realized by controlling the moving position of the strip-shaped through hole along the articulated piece in the rotation process of the well lid; when the well lid rotates to an open state, the top end of the strip-shaped through hole slides downwards to a position abutting against the hinge piece under the action of gravity, namely the well lid sinks to be in limit fit with the first groove, the well lid can be prevented from being accidentally rotated and closed, and the operation safety of maintenance workers is improved; when the well lid is closed in needs rotation, upwards promote the well lid earlier for the bottom of bar through-hole upwards slides to the position of contradicting with the articulated elements, thereby avoids the limiting displacement of first recess to the well lid, makes the well lid can rotate smoothly and realize closing of well lid.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic view of a structure of a well lid and a well frame in a rotating fit manner disclosed in the embodiment of the utility model;

FIG. 2 is a schematic structural view of a manhole cover disclosed in the embodiments of the present invention;

FIG. 3 is a schematic structural view of a well casing disclosed in an embodiment of the present invention;

fig. 4 is a schematic structural view of the well lid disclosed in the embodiment of the present invention;

FIG. 5 is a side view of the cd surface of FIG. 4;

description of reference numerals:

100-well frame, 110-first supporting seat, 111-convex part, 112-hinge part, 113-damper strip of first supporting seat, 120-second supporting seat, 121-damper strip of second supporting seat, 130-convex part,

200-well lid, 201-flanging structure, 202-reinforcing rib, 203-prying hole, 210-mounting groove structure and 211-strip-shaped through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 5, an embodiment of the present invention discloses a manhole cover, which includes a manhole frame 100 and a manhole cover 200; the inner wall of the well frame 100 is provided with a first support seat 110 which extends transversely, and a first groove is formed in the first support seat 110; one side of the well lid 200 is positioned in the first groove and is provided with a mounting groove structure 210, and two side walls of the mounting groove structure 210 are respectively provided with a strip-shaped through hole 211 along the extension direction of the well lid 200; the first groove is provided with a convex part 111, and the convex part 111 is positioned in the mounting groove structure 210 and is rotatably matched with the strip-shaped through hole 211 through a hinge part 112; when the top end of the strip-shaped hole moves to the hinge piece 112, the well lid 200 is in a rotation locking state; when the bottom end of the strip hole moves to the hinge 112, the manhole cover 200 is in a rotation unlocking state.

Wherein, set up in the first supporting seat 110 of well frame 100 inner wall through horizontal extension, and first supporting seat 110 is seted up and is provided with first recess, thereby make one side of well lid 200 be located among the first recess, and through setting up the mounting groove structure 210 of this side of well lid 200 and the cooperation of convex part 111 among the first recess, make articulated elements 112 wear to locate bar through-hole 211 and convex part 111 of two lateral walls of mounting groove structure 210, and then realize that well lid 200 is connected with well frame 100's rotation, and realize well lid 200 rotation locking and rotation unblock through control bar through-hole 211 along articulated elements 112's shift position at well lid 200 rotation in-process.

When the well lid 200 rotates to an open state, the top end of the strip-shaped through hole 211 slides downwards to a position abutting against the hinge piece 112 under the action of gravity, namely, the well lid 200 sinks and is in limit fit with the first groove, the well lid 200 can be prevented from being accidentally rotated and closed, and the operation safety of maintenance workers is improved; when needing to rotate and closing well lid 200, upwards promote well lid 200 earlier for the bottom of bar through-hole 211 upwards slides to the position of contradicting with articulated elements 112, thereby avoids first recess to well lid 200's limiting displacement, makes well lid 200 can rotate smoothly and realize closing of well lid 200.

Specifically, one side of the well lid 200 corresponding to the first groove is provided with two opposite ear plates, and the two ear plates form a mounting groove structure 210, so that the convex part 111 can be placed between the two ear plates and is in running fit with the strip-shaped through holes 211 respectively formed in the two ear plates through the hinge 112; simultaneously, the top surface of first supporting seat 110 can be provided with shock-absorbing strip 113, and shock-absorbing strip 113 distributes along the extending direction of first supporting seat 110 to be located the one side of the inner wall that well frame 100 was kept away from to first recess, thereby can contact with shock-absorbing strip 113 when well lid 200 was closed, play shockproof, noise control's effect through shock-absorbing strip 113.

In order to facilitate the fixing of the shock-absorbing strip 113, a clamping groove adapted to the shock-absorbing strip 113 may be formed in the top surface of the first support seat 110, and the clamping groove is formed along the extending direction of the first support seat 110, so that the bottom end of the shock-absorbing strip 113 may be clamped in the clamping groove in a plugging and matching manner, the shock-absorbing strip 113 and the first support seat 110 may be conveniently assembled and fixed, and the top end of the shock-absorbing strip 113 protrudes out of the top surface of the first support seat 110 to contact with the closed well lid 200.

As a design structure of the shock-absorbing bar 113, the shock-absorbing bar 113 is a trapezoidal shock-absorbing bar with a trapezoidal cross section, and the clamping groove is a trapezoidal through groove matched with the trapezoidal shock-absorbing bar, so that one end of the trapezoidal shock-absorbing bar where the long bottom is located is inserted into the trapezoidal through groove to form a clamping structure for fixing; of course, the shock absorbing bar 113 may also be designed as a strip-shaped structural member with a T-shaped cross section, and the clamping groove is correspondingly designed as a T-shaped through groove, so as to achieve the clamping and matching of the shock absorbing bar 113 and the clamping groove.

It is easy to understand that the damping strip 113 may be a strip-shaped elastic member made of elastic material such as rubber, so as to play a role of shock-proof and noise-proof by the elastic force; the hinge member 112 may be a stainless steel bolt, so that the screw end of the stainless steel bolt passes through the through

holes

211 and 111 and is fastened and matched with a corresponding stainless steel nut, thereby realizing the rotational connection between the protrusion 111 and the two ear plates and playing a role of theft prevention; of course, the hinge 112 may be a stainless steel pin or other structure.

In the manhole cover disclosed by the embodiment of the utility model, the well frame 100 can be a square well frame 100, and two opposite inner side walls of the well frame 100 are respectively provided with two first supporting seats 110; the manhole cover 200 comprises four right-angled trapezoidal cover bodies which are respectively rotatably arranged on the corresponding first supporting seats 110, so that compared with the manhole cover 200 with an integral structure, the manhole cover 200 with a split structure can further achieve the effect of noise prevention; moreover, each cover body can be independently opened, and the single area and the weight of the cover body are smaller than those of the traditional well cover, so that the carrying and the installation are more convenient.

Wherein, the other two inner side walls opposite to the well frame 100 may be respectively provided with a second supporting seat 120, and the right-angle sides at one side of the two right-angle trapezoidal covers located at the outer side are erected on the corresponding second supporting seats 120; meanwhile, bosses 130 for supporting the free ends of the corresponding right trapezoid covers may be further disposed on the two inner sidewalls of the well frame 100 where the first supporting seat 110 is disposed; therefore, the first support seat 110, the second support seat 120 and the boss 130 can respectively support and support the corresponding right trapezoid cover, and the bearing capacity of the well lid 200 is improved.

Preferably, the right-angled side of the right-angled trapezoid cover body, which is used for being erected on the second support seat 120, is provided with a flanging structure 201, and the top surface of the second support seat 120 is provided with a second groove adapted to the flanging structure 201, so that the flanging structure 201 is embedded into the second groove, and the covering tightness between the two right-angled trapezoid cover bodies on the outer side and the second support seat 120 is further ensured; meanwhile, the top surface of the second support seat 120 may also be provided with a through groove for installing the damping strip 121, and the through groove extends along the setting direction of the second support seat 120 and is located on one side of the second groove away from the well frame 100, so that the damping strip 121 may be clamped in the through groove for fixing, and then the damping strip 121 arranged on the second support seat 120 may also play the anti-vibration and anti-noise effects.

In order to facilitate the rotation operation of the well lid 200, a prying hole 203 can be formed in the well lid 200, so that the well lid 200 can be conveniently lifted and rotated by prying the prying hole 203, and the inspection well can be ventilated; preferably, the pry-open hole 203 is located at an end of the well lid 200 that is away from the rotational arrangement to increase the rotational torque so that the well lid 200 is more labor-efficient to rotate.

It is easily understood that the well lid 200 and the well frame 100 may be structural members made of cast iron; in addition, in order to better ensure the structural strength of the well lid 200, the bottom surface of the well lid 200 can be provided with the reinforcing ribs 202, so that the structural strength of the well lid 200 is improved through the reinforcing ribs 202, and the safety use is facilitated; meanwhile, the top surface of the well lid 200 may be provided with anti-slip structures such as ribs or bumps.

The inspection well cover disclosed by the embodiment can be suitable for an inspection well of a box culvert or a rectangular structure, firstly, the well frame 100 is fixed on a well mouth of the inspection well, and then, each right-angle trapezoidal cover body is rotatably arranged on the well frame 100 so as to realize the opening and closing of the inspection well through the rotating operation of each cover body; the embodiment of the utility model does not limit the application scene of the manhole cover.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The inspection well cover is characterized by comprising a well frame and a well cover; the inner wall of the well frame is provided with a first support seat which extends transversely, and a first groove is formed in the first support seat; one side of the well lid is positioned in the first groove and is provided with an installation groove structure, and two side walls of the installation groove structure are respectively provided with a strip-shaped through hole along the extension direction of the well lid; a convex part is arranged in the first groove, is positioned in the mounting groove structure and is in rotating fit with the strip-shaped through hole through a hinge; when the top end of the strip-shaped through hole moves to the hinge piece, the well cover is in a rotation locking state; when the bottom of bar through-hole moves extremely when the articulated elements, the well lid is in and rotates unblock state.

2. The manhole cover according to claim 1, wherein the manhole cover is provided with two opposite ear plates at a side corresponding to the first groove, and the two ear plates form the mounting groove structure; the two ear plates are respectively provided with the strip-shaped through holes.

3. The manhole cover according to claim 1 or 2, wherein the top surface of the first supporting seat is provided with a damping strip, and the damping strip is distributed along the extending direction of the first supporting seat and is located on one side of the first groove, which is far away from the inner wall of the manhole frame.

4. The manhole cover according to claim 3, wherein a slot adapted to the shock-absorbing bar is formed in the top surface of the first supporting seat, the slot is disposed along the extending direction of the first supporting seat, the bottom end of the shock-absorbing bar is clamped in the slot, and the top end of the shock-absorbing bar protrudes out of the top surface of the first supporting seat.

5. The manhole cover according to claim 4, wherein the shock absorbing strips are trapezoidal shock absorbing strips having a trapezoidal cross-sectional shape, and the clamping grooves are trapezoidal through grooves adapted to the trapezoidal shock absorbing strips.

6. The manhole cover of claim 5, wherein the hinge is a stainless steel bolt or a stainless steel pin.

7. The inspection well lid according to claim 1 or 2, wherein the well frame is a square well frame, and two opposite inner side walls of the well frame are respectively provided with two first supporting seats; the well lid includes four right trapezoid lid to rotate respectively and set up in corresponding on the first supporting seat.

8. The manhole cover according to claim 7, wherein the other two opposite inner side walls of the manhole frame are respectively provided with a second supporting seat, and the right-angled side of one side of the two right-angled trapezoidal covers located at the outer side is overlapped on the corresponding second supporting seat.

9. The manhole cover according to claim 8, wherein a right-angled edge of the right-angled trapezoidal cover for being placed on the second support base is formed as a flange structure, and a second groove adapted to the flange structure is formed on the top surface of the second support base, and the flange structure is embedded in the second groove.

10. The manhole cover according to claim 9, wherein the two inner side walls of the frame provided with the first supporting seat are further provided with bosses for supporting the free ends of the respective right-angled trapezoidal covers.