CN208934011U

CN208934011U - A kind of inspection shaft antipollution isolation device

Info

Publication number: CN208934011U
Application number: CN201821705517.0U
Authority: CN
Inventors: 王家祥
Original assignee: YANTAI LIFENG MUNICIPAL ENGINEERING Co Ltd
Current assignee: YANTAI LIFENG MUNICIPAL ENGINEERING Co Ltd
Priority date: 2018-10-22
Filing date: 2018-10-22
Publication date: 2019-06-04
Anticipated expiration: 2028-10-22

Abstract

The utility model discloses a kind of inspection shaft antipollution isolation devices, including the well lid for being sealed on well body upper port；The lower surface outer position of the well lid is at the horizontal upper port for lying in well body in the form of overlapped；Integrally formed with annular bead annular in shape on the inner wall of well body, it is coaxially disposed between annular bead and well body, the utility model belongs to elastic construction due to spherical plate itself, therefore when being pressurized, its edge placement is expanded towards periphery, in this way rubber seal can in this case can with the medial surface of the well body and lower surface of annular bead is dual holds out against, to realize more efficient sealing；It is whole also under from bottom to top hold out against mode, can effectively avoid the case where ejecting well lid since pipeline hydraulic pressure is excessive in this way, it is whole effectively to guarantee whole safety in actual use.

Description

A kind of inspection shaft antipollution isolation device

Technical field

The utility model relates to municipal fields, more particularly, to a kind of inspection shaft antipollution isolation device.

Background technique

Inspection shaft isolating device common at present is mostly well lid, since well lid is mostly to lie in pithead position from top to bottom, Therefore occur rainwater it is excessive when, the water in well can wash well lid open, to cause more dangerous situation, and current well Drowning has preferable leakproofness.

Utility model content

The utility model is to overcome above situation insufficient, it is desirable to provide a kind of technical solution that can solve the above problem.

A kind of inspection shaft antipollution isolation device, including the well lid for being sealed on well body upper port；Under the well lid Surface outer position is at the horizontal upper port for lying in well body in the form of overlapped；Integrally formed in annulus on the inner wall of well body The annular bead of shape, is coaxially disposed between annular bead and well body；The inner side of the well body be equipped with spherical plate, spherical plate with It is coaxially disposed between well body, and spherical plate is in downward recess structure；Spherical plate is made of flexible plastic material, integrally can be with Compressive deformation, and the edge placement gluing of spherical plate is fixed with rubber seal, spherical plate is located at the lower position of annular bead, And rubber seal is close to the lower surface of annular bead；The bottom center position of the spherical plate offers formula up and down Centre bore, and central hole is co-axially inserted in the screw rod being vertically arranged, the bottom of screw rod is welded with limit plate, limit plate Positioned at centre bore lower position and have a diameter larger than the diameter of centre bore, and gluing is fixed between limit plate and spherical plate；Institute The upper surface center and lower surface center for stating well lid offer surface opening and screw rod export respectively, and surface is opened Mouth and the equal cylinder cavernous structure of screw rod export, and coaxial arrangement simultaneously communicates up and down between surface opening and screw rod export；Table The diameter of face opening is greater than the diameter of screw rod export, and the intersection location of surface opening and screw rod export is formed with step at this time Groove-like structure；The upper port of the screw rod is penetrated through screw rod export to surface opening, and the upper end head thread of screw rod is screwed on There is nut, wherein nut is flattened on the inner bottom surface of surface opening；Moving up and down for screw rod is realized by rotating nut, works as screw rod During moving up, the bottom end cooperation limit plate of screw rod squeezes the medium position of spherical plate, since spherical plate itself belongs to bullet Property structure, therefore its edge placement is expanded towards periphery when being pressurized, and such rubber seal can in this case can be with well The medial surface of the body and lower surface of annular bead is dual holds out against, to realize more efficient sealing；Entirety is also from lower under Mode is held out against on and, can effectively avoid the case where ejecting well lid since pipeline hydraulic pressure is excessive in this way, it is whole in reality It can effectively guarantee whole safety when the use of border.

As a further solution of the present invention: on the upper surface of the well lid and the inner concave of spherical plate one at Type has multiple hanging rings, is also connected by more wire slings between well lid and spherical plate, wherein the both ends bind of wire sling In adjacent hanging ring, make well lid when dismantling using wire sling, spherical plate is not in the case where falling.

As a further solution of the present invention: the well lid is made of cast iron quality.

The utility model has the beneficial effects that the utility model since spherical plate itself belongs to elastic construction, is being pressurized When its edge placement expanded towards periphery, such rubber seal can in this case can be with the medial surface and annular of well body The lower surface of flange collar is dual to be held out against, to realize more efficient sealing；It is whole also under from bottom to top hold out against mode, in this way Can effectively avoid the case where well lid being ejected since pipeline hydraulic pressure is excessive, it is whole effectively to protect in actual use Demonstrate,prove whole safety.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model structure diagram；

Fig. 2 is the partial structural diagram of the utility model.

In figure: 1- well lid, 2- well body, 3- annular bead, 4- rubber seal, 5- spherical plate, 6- limit plate, 7- screw rod, 8- surface opening, 9- screw rod export, 10- nut, 11- centre bore, 12- hanging ring, 13- wire sling.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~2, in the utility model embodiment, a kind of inspection shaft antipollution isolation device, including for covering In the well lid 1 of 2 upper port of well body；The lower surface outer position of the well lid 1 lies in the upper of well body 2 in the form of overlapped by level At port；Integrally formed with annular bead 3 annular in shape on the inner wall of well body 2, coaxially set between annular bead 3 and well body 2 It sets；The inner side of the well body 2 is equipped with spherical plate 5, is coaxially disposed between spherical plate 5 and well body 2, and spherical plate 5 is in downward Recess structure；Spherical plate 5 is made of flexible plastic material, integrally can be with compressive deformation, and the edge placement glue of spherical plate 5 Viscous to be fixed with rubber seal 4, spherical plate 5 is located at the lower position of annular bead 3, and rubber seal 4 and annular bead 3 It is close to lower surface；The bottom center position of the spherical plate 5 offers the centre bore 11 of formula up and down, and same at centre bore 11 Axis is inserted in the screw rod 7 being vertically arranged, and the bottom of screw rod 7 is welded with limit plate 6, and limit plate 6 is located at centre bore 11 Lower position and the diameter for having a diameter larger than centre bore 11, and gluing is fixed between limit plate 6 and spherical plate 5；The well lid 1 Upper surface center and lower surface center offer surface opening 8 and screw rod export 9,8 He of surface opening respectively The equal cylinder cavernous structure of screw rod export 9, and coaxial arrangement simultaneously communicates up and down between surface opening 8 and screw rod export 9；Surface The diameter of opening 8 is greater than the diameter of screw rod export 9, and the intersection location of surface opening 8 and screw rod export 9 is formed with platform at this time Rank groove-like structure；The upper port of the screw rod 7 is penetrated through screw rod export 9 to surface opening 8, and the upper end spiral shell of screw rod 7 Line is screwed with nut 10, and wherein nut 10 is flattened on the inner bottom surface of surface opening 8；Screw rod 7 is realized by rotating nut 10 It moves up and down, when screw rod 7 is during moving up, the bottom end cooperation limit plate 6 of screw rod 7 squeezes the medium position of spherical plate 5, by Belong to elastic construction in itself in spherical plate 5, therefore its edge placement is expanded towards periphery when being pressurized, such rubber seal 4 is just Can in this case can with the medial surface of the well body 2 and lower surface of annular bead 3 is dual holds out against, to realize more efficient Sealing；It is whole also under from bottom to top hold out against mode, can effectively avoid in this way due to pipeline hydraulic pressure is excessive and by well The case where lid 1 ejects, it is whole effectively to guarantee whole safety in actual use.

Integrally formed with multiple hanging rings 12, well lid 1 and ball on the upper surface of the well lid 1 and the inner concave of spherical plate 5 Also be connected by more wire slings 13 between panel 5, wherein the both ends bind of wire sling 13 in adjacent hanging ring 12, Make well lid 1 when dismantling using wire sling 13, spherical plate 5 is not in the case where falling.

The well lid 1 is made of cast iron quality.

The working principle of the utility model is: the bottom end cooperation limit plate 6 of screw rod 7 squeezes when screw rod 7 is during moving up The medium position of pressure ball panel 5, since spherical plate 5 belongs to elastic construction in itself, when being pressurized, its edge placement is towards periphery Expansion, such rubber seal 4 can in this case can be double with the lower surface of the medial surface of well body 2 and annular bead 3 It holds out against again, to realize more efficient sealing；It is whole also under from bottom to top hold out against mode, can effectively avoid in this way The case where well lid 1 is ejected since pipeline hydraulic pressure is excessive, it is whole effectively to guarantee whole safety in actual use Property.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims

1. a kind of inspection shaft antipollution isolation device, including the well lid for being sealed on well body upper port；It is characterized in that, described The lower surface outer position of well lid is at the horizontal upper port for lying in well body in the form of overlapped；It is integrally formed on the inner wall of well body There is annular bead annular in shape, is coaxially disposed between annular bead and well body；The inner side of the well body is equipped with spherical plate, It is coaxially disposed between spherical plate and well body, and spherical plate is in downward recess structure；Spherical plate is made of flexible plastic material, And the edge placement gluing of spherical plate is fixed with rubber seal, spherical plate is located at the lower position of annular bead, and rubber is close Seal is close to the lower surface of annular bead；The bottom center position of the spherical plate offers the centre bore of formula up and down, And central hole is co-axially inserted in the screw rod that is vertically arranged, the bottom of screw rod is welded with limit plate, during limit plate is located at The lower position in heart hole and the diameter for having a diameter larger than centre bore, and gluing is fixed between limit plate and spherical plate；The well lid Upper surface center and lower surface center offer surface opening and screw rod export, surface opening and spiral shell respectively The equal cylinder cavernous structure of bar export, and coaxial arrangement simultaneously communicates up and down between surface opening and screw rod export；Surface opening Diameter be greater than screw rod export diameter, the upper port of the screw rod is penetrated through screw rod export to surface opening, and spiral shell The upper end head thread of bar is screwed with nut, and wherein nut is flattened on the inner bottom surface of surface opening.

2. inspection shaft antipollution isolation device according to claim 1, which is characterized in that the upper surface of the well lid and ball Integrally formed with multiple hanging rings on the inner concave of panel, also it is connected by more wire slings between well lid and spherical plate, Wherein the both ends bind of wire sling is in adjacent hanging ring.

3. inspection shaft antipollution isolation device according to claim 1, which is characterized in that the well lid uses cast iron quality It is made.