CN114892719A

CN114892719A - Anti-falling and anti-backflow well lid

Info

Publication number: CN114892719A
Application number: CN202210708209.8A
Authority: CN
Inventors: 张晋; 杨永旺; 赵伟丽
Original assignee: China Shanxi Sijian Group Co Ltd
Current assignee: China Shanxi Sijian Group Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-08-12

Abstract

The invention discloses a backflow and falling prevention well lid, which belongs to the technical field of municipal engineering construction and comprises the following components: well lid, prevent weighing down fill, prevent that the refluence is put and is set up on lower walling, prevent that the refluence is put upper portion and is set up upper portion walling crib, upper portion walling crib upper portion sets up the well lid, the well lid is inside to be set up prevent weighing down the fill. The backflow preventing device comprises a seat ring, a bending assembly is arranged on one side inside the seat ring, the bending assembly is connected with a valve rod, a valve clack is arranged on the upper portion of the valve rod, the valve rod is fixedly connected with the valve clack through a fastening device, and a pressure relief hole is formed in the middle of the valve clack. Prevent weighing down to fight at ordinary times can prevent rubbish and block up the piping shaft, open the well lid and can make things convenient for personnel to clear up debris, also can play the well lid and lose the function of preventing falling, can prevent rivers flowing backward through preventing flowing backward the device, can play the effect of pressure release as required again.

Description

Anti-falling and anti-backflow well lid

Technical Field

The invention relates to the technical field of municipal engineering construction, in particular to a backflow-preventing and falling-preventing well lid.

Background

Along with the sustainable development of current social economy, municipal works scale increases gradually, and the inspection shaft quantity such as sewage, drainage, strong, weak current that design is huge in the municipal works, and well lid demand is huge, but the function is single, can't satisfy the needs of technical development, has brought a great deal of technological problem for municipal inspection shaft later maintenance, maintenance etc..

Traditional well lid does not have the facility of preventing falling, and the facility of preventing flowing backward in rainy season does not have, often maintains inadequately, and rubbish blocks up unable high-efficient clearance, has all caused certain loss to personnel's life, property, gives personnel's life and has caused the puzzlement, directly influences the happiness of personnel's life.

In the prior art, CN203346915U discloses a three-proof well lid, which provides the following technical solutions: including the well lid, with well lid adapted well edge, prevent weighing down the net, characterized by, the circumference of well lid lower surface sets up three outstanding hasp head, and open well lid central authorities have the mouth of leaking, and the well lid lower surface still is provided with the three triangle-shaped's that is preventing flowing backward with well lid activity articulated that blocks the mouth of leaking, prevent flowing backward the baffle lower part and set up the floater, open the locked groove that has with hasp head and match along the inboard well edge, open on the well edge above the arc groove, the arc groove sets up the arc frid that matches with the arc groove shape that has the couple, prevent weighing down one section of net and be fixed in the well edge inner wall, one section hangs on the couple of arc frid.

In the prior art, CN204959805U discloses a fall-proof double-layer well lid, which provides the following technical scheme: comprises a well seat, an outer well cover and an inner well cover; outer well lid is installed on the well seat through the articulated, and interior well lid is installed in the well seat through the articulated and be located outer well lid below, and interior well lid and outer well lid can prevent effectively that the well lid from losing through articulated being fixed in on the well seat.

In the prior art, CN203383322U discloses a two cushion caps prevent weighing down inspection shaft well lid, provides following technical scheme: including two cushion cap supports and well lid bodies, two cushion cap support inner circles are equipped with cushion cap and lower cushion cap, support well lid body on the cushion cap, support two bilateral symmetry's semicircular walling crib on the lower cushion cap, and the tip of two walling cribs is through upset round pin hub connection lower cushion cap. A safety net is sleeved on the two well rings together, and the two well rings are opened upwards through respective overturning pin shafts.

In the prior art, CN204849838U discloses a multifunctional well lid, which provides the following technical solutions: including the well lid body, the well lid body sets up on the support, and the support is piled up by the annular brace table of two different diameters and is formed and include first brace table and second brace table respectively, and the well lid sets up in first brace table top, and second brace table lower extreme is provided with prevents weighing down the extension ladder, and the second brace table radially is equipped with swivel pin axle and couple respectively for prevent weighing down the setting up of extension ladder. When the manhole cover is lost or damaged, the lower layer is prevented that the extension ladder can prevent falling objects or personnel from falling into the manhole.

In the prior art, a well cover which prevents falling and backflow and can release pressure according to requirements does not exist.

Disclosure of Invention

The invention aims to design a falling-preventing and backflow-preventing well lid aiming at the defects in the prior art, so that personnel can be prevented from falling and being injured, rainwater can be prevented from flowing backwards, and the safety and the reliability can be improved.

In order to achieve the purpose, the invention provides a falling-preventing and backflow-preventing well lid, which is characterized by comprising: well lid, prevent weighing down fill, prevent that the refluence is put and is set up on lower walling, prevent that the refluence is put upper portion and is set up upper portion walling crib, upper portion walling crib upper portion sets up the well lid, the well lid is inside to be set up prevent weighing down the fill.

Preferably, the well lid includes the base, base upper portion is provided with the movable cover, the base outside is provided with the mounting hole, the inside fixed slot that is provided with of base.

Preferably, the anti-falling bucket comprises a frame body, wherein the outer side of the upper part of the frame body is provided with an ear plate, and the inner side of the lower part of the frame body is provided with a transverse plate.

Preferably, the backflow prevention device comprises a seat ring, a bending assembly is arranged on one side inside the seat ring, the bending assembly is connected with a valve rod, a valve clack is arranged on the upper portion of the valve rod, the valve rod is fixedly connected with the valve clack through a fastening device, and a pressure relief hole is formed in the middle of the valve clack.

Preferably, the well lid adopts stainless steel or nodular cast iron material, the fixed slot sets up stifled cap in order to prevent that debris from dropping the jam.

Preferably, the anti-falling hopper is made of stainless steel, the thickness of the anti-falling hopper is larger than 10mm, and the height 249 and 351 mm.

Preferably, the seat ring is made of nodular cast iron, the bending assembly is made of iron materials with an anti-corrosion coating on the valve rod, and the valve clack is made of resin and rubber.

Preferably, the fixing groove and the lug plate are provided with bolt holes and are fixedly connected through bolts.

Compared with the prior art, the invention has the beneficial effects that:

the anti-backflow and anti-falling well lid provided by the invention can be manufactured in a factory according to the size customized by a manufacturer, and has certain anti-corrosion and anti-rust functions. The anti-falling bucket can prevent garbage from blocking a pipe well at ordinary times, the well cover can be opened to facilitate cleaning of sundries by people, the anti-falling function can be achieved after the well cover is lost, the bottom anti-falling device can achieve the dual anti-falling function when the water quantity greatly exceeds the load of a pipe network, water flow can be controlled by opening and closing of the bottom pressure release holes, the water flow can be prevented from flowing backwards, the pressure release effect can be achieved according to needs, the water flow is gentle, the water pressure is prevented from damaging the people, the road surface, the pipeline and the like due to too large water pressure, at present, the drainage pipe network faces huge examination in rainy seasons in municipal engineering, the phenomena of rainwater backflow and the like are frequent when the people fall into the well, the anti-falling bucket can well solve the problems, and has great popularization and application values.

Drawings

FIG. 1 is a schematic view of the installation effect of the present invention;

FIG. 2 is a schematic view of the well lid structure of the present invention;

FIG. 3 is a schematic view of the anti-falling bucket of the present invention;

FIG. 4 is a schematic view of a backflow prevention device according to the present invention.

Description of reference numerals:

1-well lid, 101-base, 102-movable cover, 103-mounting hole, 104-fixed groove, 2-anti-falling bucket, 201-frame, 202-ear plate, 203-transverse plate, 3-anti-falling device, 301-seat ring, 302-bending component, 303-valve rod, 304-valve flap, 305-fastening device, 306-pressure relief hole, 4-upper well ring and 5-lower well ring.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

As shown in fig. 1, this embodiment provides a prevent falling, prevent flowing backward well lid, includes: well lid 1, prevent weighing down fill 2, prevent flowing backward device 3 sets up on lower part walling crib 5, prevents flowing backward 3 upper portions of device and sets up upper

portion walling crib

4, and 4 upper portions of upper portion walling crib set up well

lid

1, and 1 inside settings of well lid prevent weighing down fill 2 and prevent personnel from dropping, prevent flowing backward device 3 prevents that the rainwater from flowing backward.

As shown in fig. 2, the manhole cover 1 includes a base 101, a movable cover 102 is disposed on an upper portion of the base 101, a mounting hole 103 is disposed on an outer side of the base 101, and a fixing groove 104 is disposed inside the base 101. The removable cover 102 is opened and personnel can look into the well or perform a lowering operation, and the mounting holes 103 are used to bolt the base 101 to the upper well ring 4.

As shown in fig. 3, the anti-falling bucket 2 includes a frame 201, an ear plate 202 provided on the outer side of the upper portion of the frame 201, and a horizontal plate 203 provided on the inner side of the lower portion of the frame 201. The ear plate 202 is embedded into the fixing groove 104 to fix the anti-falling hopper 2, the cross plate 203 prevents a person from falling off, and the anti-falling hopper 2 can be taken out of a well by embedding a T-shaped or J-shaped tool into the cross plate 203.

As shown in fig. 4, the backflow prevention device 3 includes a seat ring 301, a bending component 302 is disposed on one side inside the seat ring 301, the bending component 302 is connected to a valve rod 303, a valve flap 304 is disposed on an upper portion of the valve rod 303, the valve rod 303 and the valve flap 304 are fixedly connected through a fastening device 305, and a pressure relief hole 306 is disposed in a middle portion of the valve flap 304. The valve clack 304 is made of a material with light weight and good sealing performance, and because the gravity valve clack 304 and the valve rod 303 partially hang down freely, when rainwater flows backwards, the valve clack 304 rises due to buoyancy and is tightly connected with the seat ring 301 to prevent the rainwater from flowing backwards, and when pressure is very high and needs to be relieved, the pressure relief hole 306 is opened to relieve the pressure.

Further, the well lid 1 is made of stainless steel or nodular cast iron, and the fixing groove 104 is provided with a blocking cap to prevent sundries from falling and blocking.

Furthermore, the anti-falling hopper 2 is made of stainless steel, the thickness of the anti-falling hopper 2 is larger than 10mm, and the height 249 and 351mm are achieved.

Further, the seat ring 301 is made of nodular cast iron, the bending component 302 and the valve rod 303 are made of iron materials with anticorrosive coatings, and the valve clack 304 is made of resin and rubber.

Further, the fixing groove 104 and the ear plate 202 are provided with bolt holes, and are fixed by bolt connection.

Having thus described embodiments of the present invention, the foregoing description is intended to be illustrative, not exhaustive, and not limited to the embodiments disclosed, and many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. The utility model provides a prevent falling, prevent flowing backward well lid which characterized in that includes: well lid (1), prevent weighing down fill (2), prevent flowing backward device (3) and set up on lower part walling crib (5), prevent flowing backward device (3) upper portion and set up upper portion walling crib (4), upper portion walling crib (4) upper portion sets up well lid (1), well lid (1) is inside to be set up prevent weighing down fill (2).

2. The anti-falling and anti-backflow well lid is characterized in that the well lid (1) comprises a base (101), a movable cover (102) is arranged on the upper portion of the base (101), a mounting hole (103) is formed in the outer side of the base (101), and a fixing groove (104) is formed in the base (101).

3. The well lid of preventing falling and flowing backwards of claim 2, characterized in that the falling prevention bucket (2) comprises a frame body (201), the outer side of the upper part of the frame body (201) is provided with a lug plate (202), and the inner side of the lower part of the frame body (201) is provided with a transverse plate (203).

4. A fall-preventing and backflow-preventing well lid as claimed in claim 1, wherein the backflow-preventing device (3) comprises a seat ring (301), a bending component (302) is arranged on one side inside the seat ring (301), a valve rod (303) is connected to the bending component (302), a valve flap (304) is arranged on the upper portion of the valve rod (303), the valve rod (303) and the valve flap (304) are fixedly connected through a fastening device (305), and a pressure relief hole (306) is arranged in the middle of the valve flap (304).

5. A fall-preventing and backflow-preventing well lid as claimed in claim 2, wherein the well lid (1) is made of stainless steel or nodular cast iron, and the fixing groove (104) is provided with a blocking cap to prevent impurities from falling and blocking.

6. The well lid of claim 3, characterized in that the anti-falling bucket (2) is made of stainless steel, the thickness of the anti-falling bucket (2) is greater than 10mm, and the height 249 and 351 mm.

7. A fall-preventing and backflow-preventing well lid as claimed in claim 4, wherein the seat ring (301) is made of nodular cast iron, the bending assembly (302) and the valve rod (303) are made of iron materials with anticorrosive coatings, and the valve flap (304) is made of resin and rubber.

8. A fall-preventing and backflow-preventing well lid as claimed in claim 3, wherein the fixing grooves (104) and the lug plates (202) are provided with bolt holes and fixed through bolt connection.