CN105089136B - It is anti-to fall plastic inspection well - Google Patents
It is anti-to fall plastic inspection well Download PDFInfo
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- CN105089136B CN105089136B CN201510454910.1A CN201510454910A CN105089136B CN 105089136 B CN105089136 B CN 105089136B CN 201510454910 A CN201510454910 A CN 201510454910A CN 105089136 B CN105089136 B CN 105089136B
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- ring
- dropproof
- bearing
- pit shaft
- well lid
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Abstract
Prevent falling plastic inspection well the present invention relates to plastic inspection well technical field, more particularly to one kind.It includes pit shaft, the back-up ring of ring set pit shaft upper port, it is arranged on pit shaft upper port top and the bearing ring being located on the outside of back-up ring, the load-bearing well seat fitted with bearing ring upper surface and the load bearing well cover fitted with load-bearing well seat upper surface, also include dropproof interior well lid, back-up ring includes upper back-up ring and lower back-up ring, lower back-up ring includes sleeved part and supporting part, sleeved part ring set is in pit shaft upper port, upper back-up ring upper port diameter is less than upper back-up ring lower port diameter, the upper some snap fits of back-up ring medial surface interval setting or upper surface are the elastic component of arc, upper back-up ring lower port is connected with lower back-up ring supporting part, dropproof interior well lid is connected with lower back-up ring supporting part and limits dropproof interior well lid in the vertical direction free degree.The present invention is by setting upper back-up ring and lower back-up ring so that dropproof interior well lid is limited and can support and falls load in the vertical direction free degree, improves security.
Description
Technical field
Prevent falling plastic inspection well the present invention relates to plastic inspection well technical field, more particularly to one kind.
Background technology
With continuing to develop for city, the living standard of people is constantly improved, and people will for the infrastructure in city
Seek also more and more higher.And being increasingly becoming rainwater after the phenomenon of earth subsidence and torrential rain occurs in the city of focus in recent years cannot arrange in time
Go out the phenomenon of urban pavement, underdrainage system initially enters the visual field of people.
Current inspection shaft is made of plastics, and plastic inspection well is basically identical with the deformation coefficient of drainage pipeline, it is not easy to
Cause the seepage of drainage pipeline networks, and then effectively reduce the probability that ground caves in.
However, the well lid of the inspection shaft is placed on base, when the water that precipitation is excessive or congestion causes in sewer pipe
When pressure is larger, well lid has the greater probability to be held by top, and well head can be submerged by water and cannot be therefore easily perceived by humans.In addition, to well lid
There is no any antitheft measure so that well lid is easy to stolen or damages, the inspection shaft without well lid can be to the life of pedestrian peace
Constitute a threat to entirely.For example, in causing people to fall intake-discharge pipe road, or rushed in drainage pipeline by the current on road surface.
Therefore, one kind is needed badly to prevent falling plastic inspection well.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide one kind and prevents falling plastic inspection well, to solve plastics inspection
The load bearing well cover of well is looked into because external force does not have potential safety hazard at the position of design.
The technical scheme that present invention solution above-mentioned technical problem is used is as follows：
According to an aspect of the present invention, there is provided one kind anti-fall on plastic inspection well, including pit shaft described in pit shaft, ring set
On the back-up ring of port, the bearing ring and the bearing ring that are arranged on above the pit shaft upper port and are located on the outside of the back-up ring
The load-bearing well seat of end face laminating and the load bearing well cover fitted with load-bearing well seat upper surface, also including dropproof interior well lid, institute
The some buckles of side interval setting of dropproof interior well lid are stated, the back-up ring includes upper back-up ring and lower back-up ring, the lower back-up ring bag
Sleeved part and the supporting part extended by the sleeved part are included, the sleeved part ring set is in the upper port of the pit shaft and causes
The lower back-up ring is located between the mattress layer on the outside of the upper port of the pit shaft and the pit shaft, between the medial surface of the upper back-up ring
It is the elastic component of arc every some snap fits or upper surface is set, the lower port of the upper back-up ring connects with the supporting part of the lower back-up ring
Connect, the dropproof interior well lid be connected with the supporting part of the lower back-up ring and cause the dropproof interior well lid and the snap fit or
The elastic component limits the translational degree of freedom of the dropproof interior well lid in the vertical direction when coordinating.
Preferably, the snap fit is substantially equal to the thickness of the dropproof interior well lid with the distance of the supporting part.
Preferably, there is the first gap between the upper port and the load bearing well cover of the upper back-up ring.
Preferably, the supporting part includes the pressure-bearing portion extended by the sleeved part and by the pressure-bearing portion away from described
The support division that one end of sleeved part is extended, the end face of the dropproof interior well lid is fitted with the medial surface in the pressure-bearing portion, institute
The lower port for stating back-up ring is supported on the medial surface of the support division.
Preferably, sealing ring is set between the sleeved part and the pit shaft.
Preferably, there is the second gap between the dropproof interior well lid and the upper port of the pit shaft.
Preferably, the material of the dropproof interior well lid is fiberglass reinforced plastics.
Preferably, the end face of the dropproof interior well lid opens up some overfalls.
Preferably, lower port diameter of the upper port diameter of the upper back-up ring less than the upper back-up ring.
Preferably, the upper port of the upper back-up ring supports the lower surface of the load-bearing well seat.
Compared with prior art, the anti-of present invention offer falls plastic inspection well, by upper back-up ring and dropproof interior well lid
Corresponding position is respectively provided with buckle and snap fit, and back-up ring ring set is in the upper port of pit shaft, dropproof interior well lid and lower back-up ring instantly
Supporting part connection and the lower port of upper back-up ring when be connected with the supporting part of lower back-up ring, rotate dropproof interior well lid cause buckle and
Snap fit coordinates the translational degree of freedom of the dropproof interior well lid in the vertical direction of limitation, at the same lower back-up ring be located at the upper port of pit shaft with
Between mattress layer on the outside of pit shaft so that lower back-up ring can bear the pressure transmitted by dropproof interior well lid, and then cause dropproof
Interior well lid is fixed between back-up ring and lower back-up ring and can bear to fall load, improves the anti-safety for falling plastic inspection well
Property.
Brief description of the drawings
Fig. 1 falls the structural representation of plastic inspection well for the assembling rear defence for providing of the invention.
The anti-structural representation for falling dropproof interior well lid in plastic inspection well that Fig. 2 is provided for the present invention.
Fig. 3 falls generalized section of the plastic inspection well in pit shaft axial direction for the assembling rear defence that the present invention is provided.
Specific embodiment
In order that the technical problems to be solved by the invention, technical scheme and beneficial effect are clearer, clear, below tie
Drawings and Examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
It is used to explain the present invention, is not intended to limit the present invention.
It should be noted that in Figure of description Fig. 1, Impact direction is referred to without numbered arrow.It is all without
Numbered arrow collectively forms the stress that the application prevents falling each composition component of plastic inspection well.
As shown in figure 1, Fig. 1 falls the structural representation of plastic inspection well for the assembling rear defence for providing of the invention.In this implementation
In example, it is anti-fall plastic inspection well including load bearing well cover 1, load-bearing well seat 2, bearing ring 4, upper back-up ring 10, dropproof interior well lid 20, under
Back-up ring 30 and pit shaft 40.
Specifically, pit shaft 40 is vertically arranged in accommodation space in backfill 6, and cause the lateral surface of pit shaft 40 by backfill
6 surround, and the upper part of pit shaft 40 stretches out backfill 6.Upper port of the lower ring set of back-up ring 30 in the pit shaft 40 for stretching out backfill.
Lower back-up ring 30 is including sleeved part 33, by one end of sleeved part 33 into 90 degree of vertical supporting parts 32 for extending laterally and by supporting
The support division 31 that portion 32 extends laterally away from one end of sleeved part 33.Wherein in a tubular form, supporting part 32 is vertical for sleeved part 33
In sleeved part 33, when sleeved part 33 is vertically arranged the upper port for being set in pit shaft 40, the medial surface of supporting part 32 is and ground
Parallel annular.Support division 31 continues extension laterally and extends along supporting part 32 away from the end of sleeved part 33 so that support
Between portion 31 and supporting part 32 turning is formed in junction.Dropproof interior well lid 20 is placed on the medial surface of supporting part 32 and anti-
Fall interior well lid 20 to be fitted with the medial surface of supporting part 32, have between now dropproof interior well lid 20 and the upper port of pit shaft 40
Second gap 8.Upper back-up ring 10 includes what vertical and top 11 in a tubular form and the lower port from top 11 were extended to external expansion
Bottom 13.And in top 11 and bottom 13 coupling part interval setting in a ring several buckles 12.As illustrated, bottom 13
In horn-like, and it is placed on the medial surface of supporting part 32 away from the end on top 11 in bottom 13.In the present embodiment, bottom
13 end is just at the coupling part between support division 31 and supporting part 32, and the now inner side of buckle 12 and supporting part 32
The distance between face is substantially equal to the thickness of dropproof interior well lid 20.I.e. dropproof interior well lid 20 can be in buckle 12 and supporting part
The central axis of space between 32 medial surface around dropproof interior well lid 20.
It is understood that the buckle 12 on upper back-up ring 10 by upper surface for the elastic component of arc is substituted, and can be prevented falling
The side of interior well lid 20 of falling need not set buckle.Specifically, the dropproof interior well lid 20 without buckle setting is by the upper of upper back-up ring 10
Port is put into, and when dropproof interior well lid 20 is pressed downward the arc-shaped upper ends face of elastic component, elastic component shrinks, and then causes dropproof
Interior well lid 20 is dropped down onto on supporting part 32 under continuing.Now, elastic component reforms into former elongation, and then causes dropproof interior well lid
20 between the lower surface of elastic component and supporting part 32, limits the translation freedom of the dropproof interior in the vertical direction of well lid 20
Degree.
In the present embodiment, when sleeved part 33 is set in the upper port of pit shaft 40 and upper back-up ring 10 is placed on by bottom 13
Coupling part between support division 31 and supporting part 32, pit shaft 40 stretch out the portion outboard of backfill 6, the outside of lower back-up ring 30 and
Mattress layer 5 is all covered with part on the outside of back-up ring.Back-up ring 30 is descended to be completely in mattress layer 5.On mattress layer 5 and position
Bearing ring 4 is set in the outside of upper back-up ring 10, bearing ring 4 is fitted with mattress layer 5.In the top of bearing ring 4, load-bearing well seat is set
2, load-bearing well seat 2 includes weight bearing foundation and is arranged on weight bearing foundation upper surface and perpendicular to the tube of weight bearing foundation.Load-bearing bottom
The lower surface of seat is fitted with bearing ring 4, and the medial surface of upper surface by weight bearing foundation and tube constitutes accommodation space.Load-bearing
Well lid 1 is contained in above-mentioned accommodation space.In the present embodiment, the upper port on the lower surface of load bearing well cover 1 and top 11 it
Between have the first gap 7.
It is understood that in the present embodiment, the upper port on top 11 supports the lower surface of weight bearing foundation.Or, on
The upper port in portion 11 is located at height, the i.e. upper port on top 11 and load bearing well cover 1 between the upper surface of weight bearing foundation and lower surface
Lower surface between distance less than weight bearing foundation thickness.And the lateral surface on top 11 has the holding section of annular, the holding section
Support the lower surface of weight bearing foundation.Allow that the stress on top 11 passes to load-bearing well seat 2.
In conjunction with Fig. 2 and Fig. 3, Fig. 2 for the anti-structure for falling dropproof interior well lid in plastic inspection well that the present invention is provided is shown
It is intended to.Fig. 3 falls generalized section of the plastic inspection well in pit shaft axial direction for the assembling rear defence that the present invention is provided.Dropproof interior well lid
20 include annulus, annulus leg end face by row and row be uniformly arranged some overfalls 22 and by annulus lateral surface it is uniform between
6 snap fits 21 extended every 60 degree.As seen from Figure 3, the ring set of sleeved part 33 pit shaft 40 lateral surface, i.e. sleeved part 33
Internal diameter slightly larger than pit shaft 40 external diameter.Sealing ring 50 is set between the medial surface of sleeved part 33 and the lateral surface of pit shaft 40,
So that being sealed between sleeved part 33 and pit shaft 40.The external diameter of dropproof interior well lid 20 is substantially equal to the internal diameter on top 11.Bottom 13
End support connecting portion in supporting part 32 and support division 31.In this way, supporting part 32 can provide vertical direction for bottom 13
Holding power, support division 31 can be bottom 13 provide horizontal direction resist force.By the way that the medial surface of supporting part 32 will be placed on
On dropproof interior well lid 20 rotated around the central shaft of dropproof interior well lid 20, the lower surface of buckle 12 and snap fit 21 can be caused
Upper surface partially or completely overlap.
It is disclosed by the invention a kind of anti-to fall plastic inspection well by the medial surface in upper back-up ring 10 and dropproof interior well lid 20
Lateral surface be respectively provided with buckle 12 and snap fit 21, and by being rotatably provided in where upper back-up ring 10, lower back-up ring 30 and buckle 12
The dropproof interior well lid 20 in accommodation space that end face is constituted so that the lower surface of buckle 12 and the upper surface part of snap fit 21 or
All overlap, and then limit the relative displacement with upper back-up ring 10 or the in the vertical direction of lower back-up ring 30 of dropproof interior well lid 20,
Lower back-up ring 30 is arranged in mattress layer 5 simultaneously, and lower back-up ring 30 has the supporting part 32 for extending laterally so that lower back-up ring 30 is being received
During to pressure straight down, will not sink in mattress layer 5 substantially, the support for acting as increasing backfill 6 of mattress layer 5 is made
With.So so that after load bearing well cover 1 is stolen or washes from load-bearing well seat 2 by water, can fall when personnel are dropped into inspection shaft anti-
Fall on the upper surface of interior well lid 20.The impulsive force of personnel passes to lower back-up ring 30, lower back-up ring 30 by dropproof interior well lid 20
Impulsive force is passed into mattress layer 5, then impulsive force is uniformly passed to mattress layer 5 backfill 6 so that even if in load-bearing well
In the case that lid 1 is lost, the restricted load-bearing well seat 2 of translational degree of freedom also with the vertical direction prevents personnel or weight
Fall into pit shaft 40, improve the security of inspection shaft.
In the present embodiment, snap fit 21 is substantially equal to the thickness of dropproof interior well lid 20 with the distance of supporting part 32, that is, prevent
Fall the spatial rotational that interior well lid 20 can be between snap fit 21 and supporting part 32, and the upper surface when snap fit 21 and buckle 12
The displacement of the dropproof in the vertical direction of interior well lid 20 is limited when lower surface partly or entirely overlaps, and greatly facilitates anti-falling
Fall the installation of interior well lid.
In the present embodiment, lower surface of the upper port of upper back-up ring 10 less than load bearing well cover 1.Go up the upper port of back-up ring 10
There is the first gap 7 between load bearing well cover 1 so that will not be contacted with upper back-up ring 10 after the load-bearing of load bearing well cover 1 deformation, it is to avoid on
Back-up ring 10 and lower back-up ring 30 frequently bear extra pressure.
In the present embodiment, the part being connected with sleeved part 33 in lower back-up ring 30 is arranged to include pressure-bearing portion 32 and is supported
Two sections of compositions in portion 31.And then, the bottom 13 of upper back-up ring 10 can be respectively, there is provided the resist force of vertical supporting power and transverse direction.
So that upper back-up ring 10 is fixed relative to lower back-up ring 30.Form the space of the accommodating dropproof interior well lid 20 of stabilization.Meanwhile, support division
31, in extending transversely horn-like, considerably increase the horizontal contact area of lower back-up ring 30 and mattress layer 5, further improve
Positional stability of the lower back-up ring 30 in mattress layer 5；In addition, bottom 13 is also in extending transversely horn-like so that upper back-up ring 10
Diameter of the diameter of upper port less than lower port so that when upper back-up ring 10 is subject to the impulse force of water straight up, because by mattress
Layer 5 resistance and be difficult in the vertical direction displacement, improve the positional stability of back-up ring 10.
In the present embodiment, sealing ring 50 is set between sleeved part 33 and pit shaft 40, it is to avoid the water in inspection shaft leads to
The gap outflow crossed between sleeved part 33 and pit shaft 40, and then the generation soft because of water inlet of mattress layer 5 is avoided, improve inspection
Look into the stability of well.
In the present embodiment, there is the second gap 8 between dropproof interior well lid 20 and the upper port of pit shaft 40.So that anti-
Falling interior well lid 20 will not contact in load-bearing with pit shaft 40, i.e., pit shaft 40 will not because of the load-bearing of dropproof interior well lid 20 stress,
Prevent pit shaft 40 and connected pipe-line system to be destroyed because of stress, further increase the anti-stabilization for falling plastic inspection well
Property.
In the present embodiment, dropproof interior well lid 20 is by fiberglass reinforced injection molding and in dropproof interior well lid 20
End face opens up some overfalls 22.Ensure that dropproof interior well lid has the intensity for bearing the impact of personnel's body weight and heavy impact,
Ensure that the anti-plastic inspection well that falls reaches protection personnel and the safe purpose of weight.Overfall can be the water under high pressure pressure release in pipeline,
Avoid because hydraulic pressure is too high so that upper back-up ring 10 is deviate from from mattress layer 5.Improve the anti-stability for falling plastic inspection well.
In the present embodiment, the upper port of upper back-up ring 10 supports the lower surface of load-bearing well seat 2.Allow that back-up ring 10 holds
By bigger vertical direction stress, i.e. hydraulic pressure until big can just cause the displacement of upper back-up ring 10 to can open on the top of load-bearing well seat 2,
Further lifting prevents falling the stability of plastic inspection well.
In the present embodiment, upper back-up ring 10, dropproof interior well lid 20, lower back-up ring 30 and pit shaft 40, are injection moulding.Its
It is middle that back-up ring is set to upper back-up ring 10 and lower back-up ring 30, the difficulty of injection moulding is reduced, greatly facilitate and prevent falling plastics inspection
The installation of well, also simplify the maintenance in later stage, be easy to promote on a large scale.
Above by reference to the preferred embodiments of the present invention have been illustrated, not thereby limit to interest field of the invention.This
Art personnel do not depart from the scope of the present invention and essence, can have various flexible programs to realize the present invention, for example as one
The feature of individual embodiment can be used for another embodiment and obtain another embodiment.It is all to use institute within technology design of the invention
Any modification, equivalent and the improvement made, all should be within interest field of the invention.
Claims (3)
1. it is a kind of anti-to fall plastic inspection well, including the back-up ring of pit shaft upper port described in pit shaft, ring set, it is arranged on the pit shaft upper end
Mouthful top and the load-bearing well fitted with the bearing ring upper surface of bearing ring that is located on the outside of the back-up ring and with the load-bearing
The load bearing well cover of well seat upper surface laminating, it is characterised in that also including dropproof interior well lid, the back-up ring includes upper back-up ring with
Back-up ring, the lower back-up ring includes sleeved part and the supporting part extended by the sleeved part, and the sleeved part ring set is in the well
Cylinder upper port on and cause the lower back-up ring positioned at the pit shaft upper port and the pit shaft on the outside of mattress layer between, institute
The some snap fits of medial surface interval setting or upper surface for stating back-up ring are the elastic component of arc, the lower port of the upper back-up ring and institute
The supporting part connection of lower back-up ring is stated, the dropproof interior well lid is connected and causes described dropproof with the supporting part of the lower back-up ring
Interior well lid limits the translation freedom of the dropproof interior well lid in the vertical direction when coordinating with the snap fit or the elastic component
Degree；
The supporting part includes the pressure-bearing portion extended by the sleeved part and by the pressure-bearing portion away from the one of the sleeved part
The support division that end is extended, the end face of the dropproof interior well lid is fitted with the medial surface in the pressure-bearing portion, the upper back-up ring
Lower port is supported on the medial surface of the support division.
2. it is according to claim 1 to prevent falling plastic inspection well, it is characterised in that to be set between the sleeved part and the pit shaft
Put sealing ring.
3. it is according to claim 1 to prevent falling plastic inspection well, it is characterised in that the dropproof interior well lid and the pit shaft
Upper port between have the second gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454910.1A CN105089136B (en) | 2015-07-29 | 2015-07-29 | It is anti-to fall plastic inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454910.1A CN105089136B (en) | 2015-07-29 | 2015-07-29 | It is anti-to fall plastic inspection well |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105089136A CN105089136A (en) | 2015-11-25 |
| CN105089136B true CN105089136B (en) | 2017-05-31 |
Family
ID=54570392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510454910.1A Active CN105089136B (en) | 2015-07-29 | 2015-07-29 | It is anti-to fall plastic inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105089136B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978720A (en) * | 2017-05-31 | 2018-12-11 | 北京元正数据科技有限公司 | Intelligent well cover and weighing system |
| CN110438863B (en) * | 2019-08-20 | 2024-06-07 | 中冶天工集团有限公司 | Device for preventing road cavity from falling, manufacturing method and construction method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20119377U1 (en) * | 2001-11-28 | 2002-02-21 | Vienna Bartolo | manhole cover |
| JP2014227821A (en) * | 2013-05-22 | 2014-12-08 | 株式会社宮本製作所 | Simple sterilization/deodorization device for sewerage manhole |
| CN203834520U (en) * | 2014-03-26 | 2014-09-17 | 曹红杰 | Dropping-prevention safe well lid |
| CN204252166U (en) * | 2014-09-02 | 2015-04-08 | 朱健 | A kind of Cover of inspection well and anti-falling facility |
| CN204456221U (en) * | 2015-03-12 | 2015-07-08 | 王成军 | A kind of manhole cover for water supply or drainage |
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2015
- 2015-07-29 CN CN201510454910.1A patent/CN105089136B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105089136A (en) | 2015-11-25 |
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