CN213653523U

CN213653523U - Corrosion-resistant anti-backflow well lid

Info

Publication number: CN213653523U
Application number: CN202022015467.7U
Authority: CN
Inventors: 厉奇栋
Original assignee: Hangzhou Lin'an Yuanhua Road Facility Co ltd
Current assignee: Hangzhou Lin'an Yuanhua Road Facility Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-07-09
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a corrosion-resistant well lid of preventing flowing backward belongs to the well lid field, including carrier ring, bearing groove, lid, seal groove, sealing ring, reinforcing bar ring, fixation nut, splice bar, clamping screw, exhaust structure. The utility model discloses a carrier ring installs on the inspection shaft mouth, place the lid on the bearing groove during installation, and then the lid acts on the bearing groove with the atress, then install the sealing ring in the seal groove top and push down the lid, when the water pressure in the inspection shaft is too big, water pressure acts on the lid and upwards promotes the lid, and then the lid upwards extrudees the sealing ring, and then water pressure acts on the lid more greatly, and then make the lid inseparabler with the extrusion of sealing ring, the reinforcing is prevented flowing backward the effect, through exhaust structure air accessible exhaust structure discharge at ordinary times during operation, and then close exhaust structure when the water level directly acts on exhaust structure that rises, prevent flowing backward.

Description

Corrosion-resistant anti-backflow well lid

Technical Field

The utility model relates to a well lid field, especially a corrosion-resistant well lid of preventing flowing backward.

Background

The well lid is also exactly the inspection shaft lid is the important component part in the city water supply and drainage system, current well lid comprises well lid itself and the framework around the well lid usually, can play certain coverage effect to general inspection shaft, but in some low-lying areas, water in the inspection shaft usually can push up the well lid when experiencing the rainfall, lead to sewage to flow backward, because the well lid is pushed up, can take place the danger that personnel dropped the inspection shaft even, and current well lid adopts iron usually, therefore corrosion resistance is relatively poor, consequently need one kind to solve the corrosion-resistant well lid that flows backward of above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a corrosion-resistant well lid of preventing flowing backward in order to solve the problem that proposes in the background art.

The technical proposal of the utility model is that the corrosion-resistant backflow-preventing well lid comprises a bearing ring, a bearing groove, a lid body, a sealing groove, a sealing ring, a reinforcing steel bar ring, a fixing nut, a connecting bar, a fixing screw and an exhaust structure, the bearing ring is of a circular structure made of steel fiber concrete, the bearing groove is arranged on the inner side of the upper part of the bearing ring, the cover body is arranged on the bearing groove, the sealing groove is annularly arranged on the edge of the upper part of the cover body, the sealing rings are arranged on the upper surface of the bearing ring and the upper surface of the sealing groove, the reinforcing bar ring is poured on the lower portion in the bearing ring, the fixing nuts are annularly and uniformly distributed and embedded on the upper surface of the bearing ring, the connecting ribs are welded between the lower end of the fixing nuts and the reinforcing bar ring, the fixing screws are inserted into the sealing ring and are connected with the fixing nuts in a screwing mode, and the exhaust structure is arranged in the middle of the cover body.

Further, exhaust structure includes bleeder vent, sheet rubber, end cap, gland nut, sealing screw, the bleeder vent is opened in the lid middle part, the sheet rubber is connected on the lid bottom surface and is covered in the bleeder vent below, end cap fixed mounting is in sheet rubber upper surface middle part, gland nut is fixed to be inlayed and is installed in the bleeder vent upper end, sealing screw revolves soon the cartridge in gland nut.

Furthermore, be equipped with a sealing washer on the seal groove, a sealing washer inlays and adorns on the seal groove upper surface and contact with the sealing ring lower surface.

Furthermore, the bearing ring is provided with a second sealing ring, and the second sealing ring is embedded on the upper surface of the bearing ring and is contacted with the lower surface of the sealing ring.

Further, the cover body is made of steel fiber epoxy resin.

Further, the reinforcing ring is of an annular reinforcing structure.

Advantageous effects

The utility model provides a corrosion-resistant anti-backflow well lid, which has the following beneficial effects that the device is arranged on an inspection well mouth through a bearing ring by the structural design, is placed on a bearing groove through a cover body during work, and then the cover body acts the stress on the bearing groove, thereby being similar to the prior inspection well lid and having high bearing capacity;

the manhole cover is made of the steel fiber epoxy resin material, so that the problem that the conventional manhole cover is easy to rust is solved;

then the sealing ring is arranged above the sealing groove to press the cover body downwards, when the water pressure in the inspection well is too high, the water pressure acts on the cover body to push the cover body upwards, and then the cover body extrudes the sealing ring upwards, and the acting force acting on the cover body is larger when the water pressure is larger, so that the cover body and the sealing ring are extruded more tightly, and the anti-backflow effect is enhanced;

through exhaust structure air accessible exhaust structure discharge when working at ordinary times, can close exhaust structure when rising direct action exhaust structure in the water level, prevent to flow backward.

Drawings

Fig. 1 is a schematic structural view of the corrosion-resistant backflow-preventing well lid of the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of the corrosion-resistant anti-backflow well lid of the present invention;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 2 according to the present invention.

In the figure, 1, a bearing ring; 2. a bearing groove; 3. a cover body; 4. a sealing groove; 5. a seal ring; 6. a reinforcing bar ring; 7. fixing a nut; 8. connecting ribs; 9. fixing the screw rod; 10. air holes are formed; 11. a rubber sheet; 12. a plug; 13. a seal nut; 14. sealing the screw rod; 15. a first sealing ring; 16. and a second sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a corrosion-resistant anti-backflow well lid comprises a bearing ring 1, a bearing groove 2, a lid body 3, a sealing groove 4, a sealing ring 5, a reinforcing steel bar ring 6, fixing nuts 7, connecting bars 8, fixing screws 9 and an exhaust structure, wherein the bearing ring 1 is of a circular ring structure made of steel fiber concrete, the bearing groove 2 is arranged on the inner side of the upper part of the bearing ring 1, the lid body 3 is arranged on the bearing groove 2, the sealing groove 4 is annularly arranged on the edge of the upper part of the lid body 3, the sealing ring 5 is arranged on the upper surface of the bearing ring 1 and the upper surface of the sealing groove 4, the reinforcing steel bar ring 6 is poured on the inner lower part of the bearing ring 1, a plurality of fixing nuts 7 are annularly and uniformly distributed and embedded on the upper surface of the bearing ring 1, the connecting bars 8 are welded between the lower end of the fixing nuts 7 and the reinforcing steel bar ring 6, the fixing screws 9 are inserted on the, the bearing frame 1 is made of steel fiber concrete, the sealing ring 5 can be made of cast iron, and the cover body 3 is made of steel fiber epoxy resin.

In the utility model, the exhaust structure comprises an air vent 10, a rubber sheet 11, a plug 12, a sealing nut 13 and a sealing screw 14, the air vent 10 is arranged in the middle of a cover body 3, the rubber sheet 11 is connected on the bottom surface of the cover body 3 and covers below the air vent 10, the plug 12 is fixedly arranged in the middle of the upper surface of the rubber sheet 11, the sealing nut 13 is fixedly embedded at the upper end of the air vent 10, wherein the sealing nut 13 does not need to twist the sealing screw 14 when the rubber sheet 11 is not damaged, the sealing nut 13 does not need to twist the sealing screw 14, so as to ensure the air permeability of the air vent 10, when the water pressure below the cover body 3 is too high, the water pressure rubber sheet 11 is pushed to move upwards, so as to drive the plug 12 to extrude with the lower end of the air vent 10, so as to seal the air vent 10, the water is prevented from overflowing upwards from the air holes 10, wherein the edges of the rubber sheets 10 are locally connected with the lower surface of the cover body 3 at the lower ends of the air holes 10, so that air can conveniently enter the air holes 10 from the unconnected parts of the rubber sheets 10, the sealing screw 14 plays a role in standby sealing, and when the parts of the rubber sheets 11 are damaged, the sealing screw 14 is screwed into the sealing nut 13 to seal the air holes 10.

The utility model discloses in, be equipped with a sealing washer 15 on the seal groove 4, a sealing washer 15 inlays and adorns on 4 upper surfaces of seal groove and with 5 lower surface contact of sealing ring, seals the gap between seal groove 4 and the sealing ring 5 through a sealing washer 15.

The utility model discloses in, be equipped with No. two sealing washers 16 on the carrier ring 1, No. two sealing washers 16 inlay and adorn on the 1 upper surface of carrier ring and with the surface contact under the sealing ring 5, through No. two sealing washers 16 with the carrier ring 1 with the sealing ring 5 before the gap is sealed.

The utility model discloses in, sealing washer 15 and No. two sealing washers 16 are the cyclic annular sealing washer structure of rubber material.

The utility model discloses in, reinforcing bar ring 6 is annular steel bar structure, and then consolidates the steel fibre concrete structure of carrier ring 1 through reinforcing bar ring 6, improves its toughness.

In this embodiment:

when the manhole cover is installed, the bearing ring 1 and the upper end of the manhole can be directly poured into a whole, after the bearing ring 1 is installed, the cover body 3 is placed on the bearing groove 2 on the bearing ring 1, then the first sealing ring 15 and the second sealing ring 16 are placed, the sealing ring 5 is screwed on the fixing nut 7 by using the fixing screw 9 to fix the sealing ring 5, and the sealing ring 5 is connected to the reinforcing steel ring 6 through the connecting rib 8 so as to reinforce the installation of the fixing nut 7;

when the water level in the inspection well is too high, water pressure acts on the cover body 3, the cover body 3 is stressed upwards, the cover body 3 moves upwards to push the sealing ring 5 to extrude the sealing ring 5, and meanwhile, the sealing ring 5 reacts on the cover body 3 to prevent the cover body 3 from being separated upwards, so that the effect of preventing water from flowing backwards is achieved; when the lid 3 upwards acts on, seal groove 4 on the lid 3 extrudees with sealing ring 5 mutually, and the extrusion cooperates No. one sealing washer 15 and then has promoted the leakproofness between lid 3 and sealing ring 5.

When the water pressure below the cover body 3 is too high, the water pressure pushes the rubber sheet 11 to move upwards, and then the plug 12 is driven to be extruded with the lower end of the air hole 10, and then the air hole 10 is sealed, so that water is prevented from overflowing upwards from the air hole 10, wherein the rubber sheet 10 is locally connected with the lower surface of the cover body 3 at the lower end of the air hole 10 at the edge, and then air conveniently enters the air hole 10 from the unconnected part of the rubber sheet 10, wherein the sealing screw 14 plays a role in standby sealing, and when the position of the rubber sheet 11 is damaged, the sealing screw 14 is utilized to be screwed into the sealing nut 13 so as to seal the air hole 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The corrosion-resistant anti-backflow well lid comprises a bearing ring (1), a bearing groove (2), a lid body (3), a sealing groove (4), a sealing ring (5), a reinforcing steel bar ring (6), a fixing nut (7), a connecting bar (8), a fixing screw (9) and an exhaust structure, and is characterized in that the bearing ring (1) is of a circular structure made of steel fiber concrete, the bearing groove (2) is arranged on the inner side of the upper part of the bearing ring (1), the lid body (3) is arranged on the bearing groove (2), the sealing groove (4) is annularly arranged on the edge of the upper part of the lid body (3), the sealing ring (5) is arranged on the upper surface of the bearing ring (1) and the upper surface of the sealing groove (4), the reinforcing steel bar ring (6) is poured on the inner lower part of the bearing ring (1), and a plurality of fixing nuts (7) are annularly and uniformly distributed on the upper surface of the bearing ring (1, a plurality of splice bar (8) weld between with fixation nut (7) lower extreme and reinforcing bar ring (6), and a plurality of fixation screw (9) cartridge is on sealing ring (5) and revolves soon with fixation nut (7) and is connected, exhaust structure locates lid (3) middle part.

2. The corrosion-resistant anti-backflow well lid according to claim 1, characterized in that the exhaust structure comprises an air vent (10), a rubber sheet (11), a plug (12), a sealing nut (13) and a sealing screw (14), wherein the air vent (10) is formed in the middle of the lid body (3), the rubber sheet (11) is connected to the bottom surface of the lid body (3) and covers below the air vent (10), the plug (12) is fixedly installed in the middle of the upper surface of the rubber sheet (11), the sealing nut (13) is fixedly embedded in the upper end of the air vent (10), and the sealing screw (14) is screwed and inserted into the sealing nut (13).

3. The corrosion-resistant backflow-preventing well lid according to claim 1, wherein a first sealing ring (15) is arranged on the sealing groove (4), and the first sealing ring (15) is embedded on the upper surface of the sealing groove (4) and is in contact with the lower surface of the sealing ring (5).

4. The corrosion-resistant backflow-preventing well lid according to claim 1, characterized in that a second sealing ring (16) is arranged on the bearing ring (1), and the second sealing ring (16) is embedded on the upper surface of the bearing ring (1) and is in contact with the lower surface of the sealing ring (5).

5. The corrosion-resistant backflow-preventing well lid according to claim 1, wherein the lid body (3) is made of steel fiber epoxy resin.

6. The corrosion-resistant backflow-preventing well lid according to claim 1, wherein the reinforcing steel ring (6) is of an annular reinforcing steel structure.