Combined plastic pressure well well lid
Technical field
This utility model relates to well seat attachment technique field, particularly relates to a kind of combined plastic pressure well well lid.
Background technology
In prior art, the ground such as the earth's surface in city, a lot of basic chemical industry industry plant areas earth's surface, it is provided with a lot of inspection shaft, valve well etc..For underground utilities and the valve of underground piping (such as tap water, oil, natural gas line etc.), in order to when valve is opened and closed by needs, to reach to control the purpose that respective tube Netcom breaks or facilitates pipe network upkeep operation, one hole (or well) of similar cubicle is just set, by valve mounting arrangements in this is cheated, described hole or well are valve well or inspection shaft.Inspection shaft is usually and keeps in repair for power supply, feedwater, draining, blowdown, communication, cable television, gas pipe, public lighting circuit etc., installs, samples, mixes and arrange, and the form that inspection shaft is arranged at underground is similar with valve well.
In prior art, as the bilge well arranged along underground sewer, along danger medium feed-line arrange valve well etc., the form of pressure well is typically set, is i.e. set to well internal gas pressure and can be more than atmospheric pressure, the form that gas medium can not arbitrarily leak.In prior art, as well lid many employings metal well lid or the form of concrete manhole cover of pressure well, but the well lid of above form is in use, because the reason of corrosion after metal well lid life-time service, the sealing property of well lid is more easily damaged;Concrete manhole cover is the most yielding, and in the case of this, the sealing of well lid is also more easily damaged;Metal well lid also has and easily loses, is not easy to obtain the defects such as higher machining accuracy simultaneously.
Utility model content
The poor sealing performance that exists in the process of use for the well lid of pressure well in above-mentioned prior art, the problem of the defect such as easy loss, this utility model provides a kind of combined plastic pressure well well lid.
The combined plastic pressure well well lid that this utility model provides solves problem by techniques below main points: combined plastic pressure well well lid, including tubular lid body and be fixed on the upper cover plate with lid, described upper cover plate is as the shrouding of end opening end with lid, and the material of described lid body and upper cover plate is plastics;
Also including being arranged at the multiple bolts hole with lid, described bolt hole is internal thread through hole, and bolt hole all penetrates the sidewall of lid body;
Also including being arranged at the relief valve with upper cover plate or lid, described relief valve is for by the Inside To Outside pressure release of pressure well.
Concrete, in above structure, by upper cover plate and lid body are disposed as plastic material, as used the material such as high density polyethylene (HDPE), polrvinyl chloride, so, available plastics are acidproof, alkaline-resisting,, there is not the characteristic of oxidation in resistance to all kinds of organic solvent so that upper cover plate and lid height phase keep good dimensional accuracy;Simultaneously as the specific strength of plastics is high, so, also it is easy to carry well lid, when operating in particular for pressure well is uncapped, labor intensity can be greatly reduced and improve operating efficiency;In traditional pressure well construction, only by utilizing the deadweight of well lid or arranging connecting bolt at the end face of well lid, it is unstable with well seat switching performance that this allows for well lid, need on well seat end face, arrange the internal thread hole that multiple region with one fixed width is mated with connecting bolt for setting, the bolt hole that employing is arranged on lid body sidewall is as the connection member of this well lid Yu pressure well well seat, so, by embedded for lid body or after being coated on well seat, coordinate the connecting bolt of coupling, can realize being threaded in or out connecting bolt by the side of well seat, realize this well lid to separate with being fixed on of pressure well well seat, i.e. this structure size no requirement (NR) to well seat end face, when pressure borehole pressure changes, this well lid is stable with well seat switching performance;The relief valve of arrangement above for when pressure borehole pressure is higher, carries out pressure release, i.e. relief valve as a safety component, beneficially pressure well safety in the course of the work to pressure well.
Further technical scheme is:
As the concrete type of attachment of upper cover plate Yu lid body, also including that polylith L-shaped metal derby and many stock material are the welded plate of plastics, the plurality of L-shaped metal derby is ring-type uniform around the axis of lid body, and polylith welded plate is ring-type uniform around the axis of lid body;
Wherein limit of described L-shaped metal derby and the inwall of lid body or outer wall laminating, another limit of L-shaped metal derby with the bottom surface laminating of upper cover plate, and two limits of L-shaped metal derby all connected with corresponding upper cover plate or lid body by screw;
One of them face of described welded plate and the inwall of lid body or outer wall laminating, fit in the bottom surface of the one side in other faces of welded plate and upper cover plate, and welded plate is all welded to connect by plastics with upper cover plate and lid body;
Also including being arranged at upper cover plate and the annular sealing strip on lid body joint face, described annular sealing strip is for realizing the sealing of upper cover plate and lid body joint face.
In above structure, L-shaped metal derby can be the cutting back obtained by cutting angle steel, metallic plate bending can also be had to form, use the type of attachment of above upper cover plate and lid body, facilitate implementation and can first pass through L-shaped metal derby connection upper cover plate and lid body, in the rundown process of screw, realize the compression to annular sealing strip, then use plastics weldering to be increased the bonding strength of upper cover plate and lid body by welded plate.I.e. above split type well lid design, not only can make well lid have a preferable sealing property, processing simultaneously, easy to assembly, and the structural stability of well lid is good.Meanwhile, L-shaped metal derby and welded plate are alternatively arranged as intensity enhancing parts during upper cover plate pressurized on upper cover plate.
For ease of user of service's installing and in the maintenance process in later stage, conveniently mentioning this well lid, also include the handle arranging on upper cover plate in this structure.Using up knob as user of service when mentioning this well lid, the holding assembly that available personnel hold.
For ease of user of service by the different azimuth of this well lid, all can mention well lid very easily, described handle is multiple, and the axis of multiple winding by hand lid bodies is ring-type uniform.
For realizing after handle has used, handle is made to be in receiving state, to avoid handle evagination, affect pedestrian or vehicle through upper cover plate, being additionally provided with groove on described upper cover plate, described handle is arranged in described groove, and handle is connected with upper cover plate by jointed shaft, during jointed shaft rotates, handle can be accommodated in described groove completely.
The for the benefit of compressive property of upper cover plate, also includes the reinforcement being arranged on upper cover plate.
For ease of the manufacture of this well lid, described upper cover plate is an entirety with the structure of reinforcement composition, should make entirely through injection mo(u)lding.
Concrete scheme as reinforcement, described reinforcement includes a plurality of radial ribs and a plurality of diameter circumferential rib not etc., the length direction of described radial ribs is positioned at the radial direction of lid body, described circumference rib is in the form of a ring, and the center of circle of circumference rib falls on the axis of lid body, every radial ribs all intersects with each circumference rib, and the adjacent spacing between circumferential rib is equal, and a plurality of radial ribs is ring-type uniform around the axis of lid body.This programme structure is attractive in appearance, and each point anti-pressure ability on upper cover plate can be made the most uniform.
As a kind of lightweight, lid body way of realization that anti-pressure ability is good, described lid is as binary wall twisting and pipe.
This utility model has the advantages that
In above structure, by upper cover plate and lid body are disposed as plastic material, as used the material such as high density polyethylene (HDPE), polrvinyl chloride, so, available plastics are acidproof, alkaline-resisting,, there is not the characteristic of oxidation in resistance to all kinds of organic solvent so that upper cover plate and lid height phase keep good dimensional accuracy;Simultaneously as the specific strength of plastics is high, so, also it is easy to carry well lid, when operating in particular for pressure well is uncapped, labor intensity can be greatly reduced and improve operating efficiency;In traditional pressure well construction, only by utilizing the deadweight of well lid or arranging connecting bolt at the end face of well lid, it is unstable with well seat switching performance that this allows for well lid, need on well seat end face, arrange the internal thread hole that multiple region with one fixed width is mated with connecting bolt for setting, the bolt hole that employing is arranged on lid body sidewall is as the connection member of this well lid Yu pressure well well seat, so, by embedded for lid body or after being coated on well seat, coordinate the connecting bolt of coupling, can realize being threaded in or out connecting bolt by the side of well seat, realize this well lid to separate with being fixed on of pressure well well seat, i.e. this structure size no requirement (NR) to well seat end face, when pressure borehole pressure changes, this well lid is stable with well seat switching performance;The relief valve of arrangement above for when pressure borehole pressure is higher, carries out pressure release, i.e. relief valve as a safety component, beneficially pressure well safety in the course of the work to pressure well.
Accompanying drawing explanation
Fig. 1 is the top view of combined plastic pressure one specific embodiment of well well lid described in the utility model;
Fig. 2 is the upward view of combined plastic pressure one specific embodiment of well well lid described in the utility model;
Fig. 3 is the side view cutaway drawing of combined plastic pressure one specific embodiment of well well lid described in the utility model.
Numbering in figure is followed successively by: 1, upper cover plate, and 2, lid body, 3, L-shaped metal derby, 4, welded plate, 5, handle, 6, reinforcement, 7, relief valve, 8, bolt hole.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following example.
Embodiment 1:
As shown in Figure 1 to Figure 3, combined plastic pressure well well lid, including tubular lid body 2 and the upper cover plate 1 that is fixed on lid body 2, described upper cover plate 1 is plastics as the shrouding of lid body 2 upper end open end, the material of described lid body 2 and upper cover plate 1;
Also including the multiple bolts hole 8 being arranged on lid body 2, described bolt hole 8 is internal thread through hole, and bolt hole 8 all penetrates the sidewall of lid body 2;
Also including the relief valve 7 being arranged on upper cover plate 1 or lid body 2, described relief valve 7 is for by the Inside To Outside pressure release of pressure well.
Concrete, in above structure, by upper cover plate 1 and lid body 2 are disposed as plastic material, as used the material such as high density polyethylene (HDPE), polrvinyl chloride, so, available plastics are acidproof, alkaline-resisting,, there is not the characteristic of oxidation so that upper cover plate 1 and lid body 2 keep good dimensional accuracy for a long time in resistance to all kinds of organic solvent;Simultaneously as the specific strength of plastics is high, so, also it is easy to carry well lid, when operating in particular for pressure well is uncapped, labor intensity can be greatly reduced and improve operating efficiency;In traditional pressure well construction, only by utilizing the deadweight of well lid or arranging connecting bolt at the end face of well lid, it is unstable with well seat switching performance that this allows for well lid, need on well seat end face, arrange the internal thread hole that multiple region with one fixed width is mated with connecting bolt for setting, the bolt hole 8 that employing is arranged on lid body 2 sidewall is as the connection member of this well lid Yu pressure well well seat, so, by embedded for lid body 2 or after being coated on well seat, coordinate the connecting bolt of coupling, can realize being threaded in or out connecting bolt by the side of well seat, realize this well lid to separate with being fixed on of pressure well well seat, i.e. this structure size no requirement (NR) to well seat end face, when pressure borehole pressure changes, this well lid is stable with well seat switching performance;The relief valve 7 of arrangement above for when pressure borehole pressure is higher, carries out pressure release, i.e. relief valve 7 as a safety component, beneficially pressure well safety in the course of the work to pressure well.
Embodiment 2:
As shown in Figure 1 to Figure 3, the present embodiment is further qualified on the basis of embodiment 1: as the concrete type of attachment of upper cover plate 1 with lid body 2, also include polylith L-shaped metal derby 3 and the welded plate 4 that many stock material are plastics, the plurality of L-shaped metal derby 3 is ring-type uniform around the axis of lid body 2, and polylith welded plate 4 is ring-type uniform around the axis of lid body 2;
Wherein limit of described L-shaped metal derby and the inwall of lid body 2 or outer wall laminating, another limit of L-shaped metal derby with the bottom surface laminating of upper cover plate 1, and two limits of L-shaped metal derby all connected with corresponding upper cover plate 1 or lid body 2 by screw;
One of them face of described welded plate 4 and the inwall of lid body 2 or outer wall laminating, fit in the bottom surface of the one side in other faces of welded plate 4 and upper cover plate 1, and welded plate 4 is all welded to connect by plastics with upper cover plate 1 and lid body 2;
Also including being arranged at upper cover plate 1 and the annular sealing strip on lid body 2 joint face, described annular sealing strip is for realizing the sealing of upper cover plate 1 and lid body 2 joint face.
In above structure, L-shaped metal derby 3 can be the cutting back obtained by cutting angle steel, metallic plate bending can also be had to form, use the type of attachment of above upper cover plate 1 and lid body 2, facilitate implementation and can first pass through L-shaped metal derby 3 and connect upper cover plate 1 and lid body 2, in the rundown process of screw, realize the compression to annular sealing strip, then use plastics weldering to be increased the bonding strength of upper cover plate 1 and lid body 2 by welded plate 4.I.e. above split type well lid design, not only can make well lid have a preferable sealing property, processing simultaneously, easy to assembly, and the structural stability of well lid is good.Meanwhile, L-shaped metal derby 3 and welded plate 4 are alternatively arranged as intensity enhancing parts during upper cover plate 1 pressurized on upper cover plate 1.
For ease of user of service's installing and in the maintenance process in later stage, conveniently mentioning this well lid, also include the handle 5 arranging on upper cover plate 1 in this structure.Using up knob 5 as user of service when mentioning this well lid, the holding assembly that available personnel hold.
For ease of user of service by the different azimuth of this well lid, all can mention well lid very easily, described handle 5 is multiple, and multiple handle 5 is ring-type uniform around the axis of lid body 2.
For realizing after handle 5 has used, handle 5 is made to be in receiving state, to avoid handle 5 evagination, affect pedestrian or vehicle through upper cover plate 1, being additionally provided with groove on described upper cover plate 1, described handle 5 is arranged in described groove, and handle 5 is connected with upper cover plate 1 by jointed shaft, during jointed shaft rotates, handle 5 can be accommodated in described groove completely.
The for the benefit of compressive property of upper cover plate 1, also includes the reinforcement 6 being arranged on upper cover plate 1.
For ease of the manufacture of this well lid, described upper cover plate 1 is an entirety with the structure of reinforcement 6 composition, should make entirely through injection mo(u)lding.
Concrete scheme as reinforcement 6, described reinforcement 6 includes a plurality of radial ribs and a plurality of diameter circumferential rib not etc., the length direction of described radial ribs is positioned at the radial direction of lid body 2, described circumference rib is in the form of a ring, and the center of circle of circumference rib falls on the axis of lid body 2, every radial ribs all intersects with each circumference rib, and the adjacent spacing between circumferential rib is equal, and a plurality of radial ribs is ring-type uniform around the axis of lid body 2.This programme structure is attractive in appearance, and each point anti-pressure ability on upper cover plate 1 can be made the most uniform.
As a kind of lightweight, lid body 2 way of realization that anti-pressure ability is good, described lid body 2 is binary wall twisting and pipe.
Above content is to combine the further description that this utility model is made by concrete preferred implementation, it is impossible to assert that detailed description of the invention of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, other embodiments drawn under without departing from the technical solution of the utility model, should be included in protection domain of the present utility model.