CN107780439A - Manhole cover assembly with adjustable base - Google Patents
Manhole cover assembly with adjustable base Download PDFInfo
- Publication number
- CN107780439A CN107780439A CN201610714752.3A CN201610714752A CN107780439A CN 107780439 A CN107780439 A CN 107780439A CN 201610714752 A CN201610714752 A CN 201610714752A CN 107780439 A CN107780439 A CN 107780439A
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- CN
- China
- Prior art keywords
- base
- lifting ring
- main body
- cover assembly
- manhole cover
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a kind of Manhole cover assembly, including：Base, its flange that there is the main body of general cylindrical shape and extended radially outwardly from main body one end, formed with least one circle internal thread on the inwall of main body；Lifting ring, it has the main body of general cylindrical shape and the enlarged-diameter portion positioned at the main body one end, and the opening of lifting ring is formed formed with least three circle external screw threads, the enlarged-diameter portion on the outer wall of the main body of lifting ring；And for covering the well lid of the opening, the main body of the lifting ring is arranged in the main body of the base, to enable the external screw thread of lifting ring and the internal thread of base to screw togather, by rotation, selectivity lifting ring moves relative to base along longitudinal axis, wherein described Manhole cover assembly also includes being used for the base track that is engaged with cement substrate, the base track have substantially cylindrical main body and relative to the base track be mounted so as to can be by adjusting means adjusting base relative to base track angle of inclination.
Description
Technical field
The present invention relates generally to Manhole cover assembly used during Manhole cover assembly, especially road administration are built, wherein the well lid group
The susceptor surface of part can be adjusted and equipped with fast lockign apparatus on demand relative to the gradient of base track.
Background technology
Well lid is widely used in the construction of city road administration.With the continuous extension of urban construction, the quality of road pavement laying
It is required that more and more higher, with and what is come is requirement to well lid also more and more higher, it is desirable to well lid is as neat with ground as possible when laying
It is flat.
In addition, in traditional road construction, by using for many years, road surface, which is likely to occur, to be collapsed, and causes well lid and road
It is uneven between face, the destruction of vehicle is easily caused, it is attractive in appearance also to influence road surface.In addition, road pavement is needed to carry out after use for many years
Renovation, needs completely to abandon existing well lid and remanufactures and install mostly during laying again, waste time and energy and
Cost is higher.
In addition, traditional well lid is seldom equipped with suitable locking device, therefore it is easy to jump up and down when vehicle passes through well lid
Move and make a noise.
Therefore, it is necessary to which a kind of well lid height and well lid angle of inclination of easily adjusting is with the well lid with ground perfect cooperation
Component.
The content of the invention
It is an object of the invention to a kind of improved Manhole cover assembly, and it can easily adjust well lid height and well lid inclination angle
Degree is with the Manhole cover assembly with ground perfect cooperation.
To achieve the above object, the invention provides a kind of Manhole cover assembly, it includes：Base, it has general cylindrical shape
Main body and the flange that is extended radially outwardly from main body one end, formed with least one circle internal thread on the inwall of the main body,
The flange is provided with adjusting means；Lifting ring, the lifting ring have the main body of general cylindrical shape and positioned at the main bodys one
The enlarged-diameter portion at end, formed with least three circle external screw threads, the enlarged-diameter portion on the outer wall of the main body of the lifting ring
Form the opening of the lifting ring；And for covering the well lid of the opening, the main body of the lifting ring is arranged on the bottom
In the main body of seat, to enable the internal thread of external screw thread and the base of the lifting ring to screw togather, selected by rotation
Property make it that the lifting ring moves relative to the base along longitudinal axis, wherein the Manhole cover assembly also includes being used for and cement
The base track that pedestal engages, the base track has the main body of big circular ring type, and the base is relative to the bottom
Inclination of the seat track installation into the adjusting means adjusting base on the flange made it possible to by base relative to base track
Angle.
Preferably, the flange of the base is provided with a pair of screwed holes being diametrically opposed to one another, for a pair of regulating bolts in axle
Screw togather upwards through in floor installation to base track, regulating bolt can stretch out screwed hole and against base by screwing
The upper surface of track.
Preferably, the main body of the base track is along the circumferential direction upper on an upper includes annular recess, pacifies in base
When being filled on base track, regulating bolt against and the annular recess that is contained on base track in.
Preferably, the lower surface of the flange of the base is provided with a pair of grooves radially extended being diametrically opposed to one another, institute
It is facing with the annular recess when on floor installation to base track to state groove, each of two regulation cylinders accommodate respectively
In the groove and the annular recess so that the base can rotate relative to the base track.
Preferably, formed with least three support blocks, support block edge circle on the upper surface of the internal thread of the base
Circumferential direction is evenly-spaced.Preferably, the height of the support block is about 1mm, and length along the circumferential direction is about 50mm.
Preferably, at least three projections are provided with the external peripheral surface of the enlarged-diameter portion of the lifting ring, it is described convex
Block is uniformly spaced in the circumferential direction, and the projection contacts when Manhole cover assembly is installed on road surface with ground surface material to mitigate effect
Load on the internal thread of base and the external screw thread of lifting ring.
Preferably, the base track includes extending radially outwardly from the body of base track and evenly spaced at least three
Individual fixed part, fixing bolt is provided with the fixed part, the axis direction of the fixing bolt is parallel to the base track
Plane direction, in floor installation, the fixing bolt can be extended internally beyond base by screwing when on base track
Flange excircle, to prevent base from being disengaged from base track.
Preferably, the Manhole cover assembly also includes being used to the lifting ring and the well lid can releasably be locked at one
The locking device risen.
Preferably, the locking device includes stop pin, steady pin and spring, and the stop pin includes the body of rod and position
In the head of described body of rod one end, the steady pin is located at the body of rod other end, the spring housing on the body of rod and with
The head connects, and the steady pin is substantially vertical with the stop pin, and the well lid and the enlarged-diameter portion are formed with heavy
Head bore, the counter sink have plum blossom hole, and when the well lid covers the opening, the plum blossom hole aligns each other so that institute
Steady pin is stated through can suffer restraints after the plum blossom hole, and the spring between the head and the well lid by
Pressure.
Preferably, the head of the stop pin has counter sink, the shape and specific purpose tool of the counter sink of the stop pin
Junction surface shape it is corresponding.
Preferably, the counter sink on the head of the stop pin has triangular shaped, rectangular shape or diamond shape.
Preferably, it is provided with the lifting ring for grasping so as to the grasping part of rotation and lifting ring.
Preferably, the internal thread and external screw thread are trapezoidal thread.
The advantage of the invention is that either newly installation well lid is still reinstalled to original well lid, have rapidly
The height of well lid and the angle of inclination of well lid are adjusted, most preferably to coordinate the road surface to be applied, and after covering well lid, by well
The quick lock in of lid, reduce noise when well lid is rolled.
Brief description of the drawings
Foregoing and other side of the invention will can be more fully understood from detailed description described later and the following accompanying drawing of combination
Face.It is pointed out that the ratio of each accompanying drawing is possible to different for clarity of illustration, but this can't be influenceed to this
The understanding of invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the sectional view after the assembling of Manhole cover assembly according to an embodiment of the invention；
Fig. 2 a diagrammatically illustrate the sectional view taken according to the base of Fig. 1 Manhole cover assembly along cutting line A-A；
Fig. 2 b diagrammatically illustrate the top view of the base of the Manhole cover assembly according to Fig. 1；
Fig. 3 a diagrammatically illustrate the sectional view of the base track according to Fig. 1；
Fig. 3 b diagrammatically illustrate the top view of the base track according to Fig. 1；
Fig. 4 a diagrammatically illustrate the sectional view of the lifting ring of the Manhole cover assembly according to Fig. 1；
Fig. 4 b diagrammatically illustrate the top view of the lifting ring of the Manhole cover assembly according to Fig. 1；
Fig. 5 a diagrammatically illustrate the upward view of the well lid of the Manhole cover assembly according to Fig. 1；
Fig. 5 b diagrammatically illustrate the sectional view of the well lid according to Fig. 4；
Fig. 5 c diagrammatically illustrate the top view of the well lid according to Fig. 4；
Fig. 6 a are schematically illustrated in the amplification view of the locking device filled in Manhole cover assembly；And
Fig. 6 b diagrammatically illustrate the top view of the antitheft lockhole of locking device shown in Fig. 6 a.
Embodiment
In each accompanying drawing of the application, structure is identical or intimate feature is indicated by the same numbers.
Fig. 1 diagrammatically illustrates Manhole cover assembly according to an embodiment of the invention.As illustrated, Manhole cover assembly master
To include base 10, base track 20, lifting ring 30 and well lid 40.Base 10, base track 20, the lifting ring of the Manhole cover assembly
30 and well lid 40 can be for example made up of ductile iron material.Preferably, in order to which quick lock in well lid, the Manhole cover assembly also include locking
Device 50.
As shown in figures 2 a and 2b, one end of base 10 including substantially cylindrical main body 11 and autonomous agent 11 radially to
The flange 12 of outer extension.In order to mitigate the weight of base 10, subtract in the flange 12 of base 10 formed with multiple to circle distribution
Repeated hole 17.In addition, being also diametrically symmetrically provided with two screwed holes 13 in the flange 12 of base 10, these screwed holes 13 supply
Regulating bolt 2 (Fig. 1) is inserted, with relative to the angle of inclination of the adjusting base 10 of base track 20.On the lower surface of flange 12
It is separated by with screwed hole 13 on 90 degree of orient diameters and is symmetrically provided with two grooves 18, two regulation cylinders 3 (see Fig. 1) is held respectively
It is contained in the two grooves 18.
Main body 11 and flange 12 have been furthermore integrally formed multiple ribs 15, for strengthening base 10 intensity of itself.Add
Strong rib 15 is distributed around flange 12, such as a ribs 15 can be located between two lightening holes 13.In the master of base 10
Formed with least one circle internal thread 14 in the inner peripheral surface of body 11, for engaging the external screw thread of the lifting ring 30 then described.
On the upper surface of internal thread 14, three support blocks 16 are arranged at intervals with 120 degree respectively, the support block 16 is excellent
Elect as from the upper surface of internal thread 1mm protruding upward, and length along the circumferential direction is 50mm, for stably supporting liter
Ring 30 is dropped, mitigates the abrasion of screw thread.
Certainly, the number of support block 16 is not limited to 3, can be more than 3.
As best shown in figures 3 a and 3b, external peripheral surface of the base track 20 including circular body 21 and from body 21 is with uniform
Three fixed parts 22 to extend radially outwardly are spaced, the fixed part 22 has on the cross section through the central axis of body 21
L-shape, including along the horizontal part 221 that diametrically stretches out of in-plane of body 21 and from the end of horizontal part 221
Perpendicular to the vertical portion that the plane of body 21 upwardly extends 222, there is the plane along body 21 near the upper end of vertical portion 222
The screwed hole that direction radially extends, inserted for fixing bolt 24, the diameter parallel of the screwed hole is described in the plane of body 12
Fixing bolt 24 is adjustable, is interacted with the flange 12 with base 10, so as to which base 10 can mutually be revolved with base track 20
It is associated with turning, avoids base 10 from being disengaged from base track 20.
The part towards base flange 12 of base body 21 has annular recess 23, and the regulation cylinder 3 was both contained in
In the groove 18 of base flange, it is also accommodated in recess 23, and the length for adjusting cylinder is set to the width less than annular recess 23,
So as to cylinder 3 is adjusted in recess 23 around the center rotating of base track 20, so as to which base 10 can turn relative to base track 20
It is dynamic.As shown in figure 1, in base 10 in the state of base track 20 is combined, fixing bolt 24 is located at the upper of base flange 12
Side, limitation base 12 move up as shown in Figure 1.Regulating bolt 2 is against bottom through the screwed hole 13 on the flange 12 of base 10
, can be with adjusting base 10 relative to base track by the advance or retrogressing of two regulating bolts 2 in the recess 23 of seat track 20
20 angle of inclination, by adjusting positioning of the cylinder 3 in the groove 18 of base flange 13 and the body in base track 20
The rotation in recess 23 in 21 so that base 10 can rotate with one heart relative to base track 20, to adapt to different ground
Unevenness or different ground inclination directions.
As shown in Figs. 4a and 4b, lifting ring 30 also includes substantially cylindrical main body 31.The diameter of the main body 31 is less than
The diameter of main body 11, it can be encased in base 10 so as to the main body 31 of lifting ring 30.In one end of main body 31 formed with always
Footpath expansion section 32, the enlarged-diameter portion 32 are in annular, vertically and are extended radially outwardly.In the bottom wall of enlarged-diameter portion 22
Formed with evenly-spaced three counter sinks 33, the number of certain counter sink 22 is not limited to 3, but can be more than 3.
Formed with three or four circles or more circle external screw thread 35 on the outer surface of main body 31.Lifting ring 30 is being encased in bottom
When in seat 10, the external screw thread 35 can be screwed on the internal thread 14 of base 10.Internal thread 14 and external screw thread 35 are trapezoidal thread,
Screw thread cone angle is smaller, so that it is guaranteed that will not when lifting ring 30 is being seated on the internal thread 14 of base 10 via its external screw thread 35
Decline due to gravity.After lifting ring 30 is located in base 10, manually both forward and reverse directions rotation and lifting ring 30, due to spiral shell
Effect between line, can cause lifting ring 30 relative to base 10 axially/longitudinal direction be raised and lowered.In order to facilitate lifting
Operation, alternatively on the inwall of main body 31 and/or in the inner and/or outer side wall of enlarged-diameter portion 32 formed with grip part,
Rotated for grasping.
As it was previously stated, being provided with support block 16 on the upper surface of screw thread 14 of base 10, external screw thread 35 is supported on support block
On 16, the stress that is acted on for mitigating lifting ring 30 on screw thread 14 so as to protect screw thread 35 and 14, improves making for Manhole cover assembly
Use the life-span.
After lifting ring 30 is encased in base 10, the enlarged-diameter portion 32 of lifting ring 30 in radial directions with base
The outer surface of the flush with outer surface of 10 body 11 or body 11 more than base 10, so it may insure when inserting road around
Enough installing spaces can be reserved during the paver of face for the region where counter sink 33.Alternatively, around filled out to stop
The road surfacing material entered, shielding plate can be provided with the outside of the counter sink 33 of enlarged-diameter portion 32.The shielding plate is for example certainly
The bottom wall of enlarged-diameter portion 32 as shown in Figure 3 extends downwards and positioned at the radial outside of counter sink 33.Meanwhile the shielding plate
It can be arranged to be in contact with the body 11 of base 10 after lifting ring 30 assembles and have influence on the height of lifting ring 30
Degree regulation.
In the external peripheral surface of enlarged-diameter portion 32, close to the position of counter sink 33, three projections 34 are provided with, it is described convex
The position of block is not limited to close to counter sink, to be evenly arranged in other positions, for when lifting ring is arranged on road surface,
By the effect of projection 34 and road surfacing material, mitigate the active force acted on screw thread 35 and 14, improve the use of well lid
Life-span.
As shown in Fig. 5 a to 5c, well lid 40 includes main body 41 substantially in disk form.Towards upper after the installation of main body 41
Surface on formed with decorative pattern 45.Surface after the installation of autonomous agent 41 under is axially extended with a circle flange 42, and
Reinforcement 44 is internally formed in the circle flange 42, for improving well lid 40 intensity of itself.
The external diameter of the circle flange 42 is less than the internal diameter of the main body 31 of lifting ring 30, and the external diameter of the main body 41 of well lid 40 is big
In the internal diameter of the main body 31 of lifting ring 30, so as to which when well lid 40 is attached in lifting ring 30, the circle flange 42 extend into lifting ring
Certain guiding positioning action is played in 30.As illustrated, when well lid 40 is in place on lifting ring 30 after, the lower surface of main body 41
41a is in contact with the upper surface of the bottom wall of enlarged-diameter portion 32, and the upper surface of well lid 40 and the enlarged-diameter portion of lifting ring 30
32 upper surface is concordant.
At least three counter sink is circumferentially evenly arranged in main body 41, and these counter sinks are located at the radial outside of flange 42,
And a part for counter sink as shown is plum blossom hole 42.The shape of the plum blossom hole is, for example, cross, and in the cross
One character segment is more shorter than another character segment.
The counter sink 43 of well lid 40 is corresponding with the counter sink 33 of lifting ring 30.That is, when well lid 40 is installed to liter
After dropping on ring 30, the counter sink 43 of well lid 40 is aligned with the counter sink 33 of lifting ring 30 and communicated, and is constituted and is inserted for locking device 50
The lock hole entered, rotated when preventing well lid by horizontal external.The counter sink 43 of well lid 40 and the counter sink 33 of lifting ring 30
Locking device 50 as shown in Figure 1 can be loaded after aligning.Therefore, the plum blossom hole with well lid 40 of the counter sink 33 of lifting ring 30
43 that part directly contacted are also formed as shape identical plum blossom hole.
Fig. 6 a and 6b diagrammatically illustrate one embodiment of locking device 50.The locking device 50 includes a stop pin,
The stop pin has the body of rod 51 and head 52.The body of rod 51 can pass through above-mentioned plum blossom hole 43,33.Head 52 is near with the body of rod 51
End is connected, and a resilient key 55, alternatively referred to as steady pin, its longitudinally disposed longitudinal direction into the body of rod 51 are provided with the distal end of the body of rod 51
Vertically.The length of the resilient key 55 is set smaller than a longer character segment for cross plum blossom hole but is more than cross plum blossom hole
A shorter character segment.That is, when the length direction of resilient key and a longer character segment for cross plum blossom hole are to timing,
Plum blossom hole can be passed through, and a longer character segment for the length direction and cross plum blossom hole for working as resilient key does not align or and cross
A shorter character segment for shape plum blossom hole can not pass through plum blossom hole and suffer restraints to timing.
In an illustrated embodiment, resilient key 55 is hollow shape.It will be apparent to those skilled in the art that resilient key
It can take other form, such as solid shape.In addition, resilient key can be located in the body of rod 51 or a bodily form
Into on the outer surface of the body of rod 51.
It is also about being provided with a spring 53 on the body of rod 51.The enlarged-diameter portion 32 of lifting ring 30 is placed in well lid 40
On bottom wall it is in place after, the body of rod 51 is inserted into the plum blossom hole after aligning with resilient key 55, spring 53 can not by plum blossom hole and
Spring 53 is pressurized in the counter sink 43 of well lid 40, and one end abuts head 52 and the other end abuts the end adjacent with plum blossom hole 43
Face.Resilient key 55 inserts direction of rotation after plum blossom hole, so that locking device 50 is constrained between well lid and lifting ring.This
Sample, locking device 50 can prevent well lid 40 by bob during vertical external force, and reduce noise.
Sleeve 54 can be set in the periphery of spring 53, with the slip of guide springs 53.In addition, at the center on head 52, provided with anti-
Lockhole 56 is stolen, its shape corresponds to the shape of specific purpose tool, preferably triangle, so as to be only capable of so that having triangle junction surface
Instrument could operate head 52.
The construction installation method of Manhole cover assembly introduced below according to the present invention.
When installing Manhole cover assembly, first, in the recess being placed in regulation cylinder 3 in the groove 18 of base with base track 20
In the case of in 23, base 10 is combined with base track 20, and being screwed into stop base 10 by fixing bolt 24
To movement, prevent base 10 from being disengaged from base track 20, then regulating bolt 2 is screwed into the screwed hole 13 of base flange 12
In, against recess 23.Then, lifting ring 30 is screwed on the internal thread 14 of base 10 by the direction of rotation of external screw thread 35, then,
The base 10 being grouped together, base track 20, lifting ring 30 are put into well head, base track 20 is contacted cement substrate 1,
And fixed relative to cement substrate.That installs is initial, and lifting ring 30 can be screwed into position minimum in base 10 so that lifting
The upper surface of ring 30 is close to ground level.Then, by being finely adjusted to regulating bolt 2, while base 10 is made relative to base rail
Road 20 relatively rotates, by the upper surface of lifting ring and ground level substantially leveling.It is transportable between lifting ring 30 and base 10
Scope, i.e., be in contact the distance calculated and can moved up from the lower surface of the bottom wall of enlarged-diameter portion 22 with the upper surface of base 10
Set as needed.Using the Manhole cover assembly of this design, even if land subsidence or increasing road surface to need in the future,
The road on ground around lifting ring need to only be expected to loosen, you can continue to adjust the height and gradient of lifting ring so that well head meets
Road surface requires.
After the height and gradient of lifting ring 30 regulate, surrounding is reinforced with road surfacing material, then can risen
Well lid 40 is covered on drop ring 30.
When well lid 40 is covered, well lid 40 is put into the enlarged-diameter portion 32 of lifting ring 30.Then, by stop pin band
Spring 53 to insert in lock hole normal incidence by a longer character segment for direction, i.e. resilient key 55 and cross plum blossom hole, and turn
Dynamic such as 90 degree direction so that resilient key 55 enters the lower end countersunk recesses of the counter sink 33 of lifting ring 30, such bullet
Spring 53 always applies between the head 52 of stop pin and well lid 40 axially retains power, and well lid 40 can be prevented in the process used
Middle bounce, reduce noise.
When needing to raise well lid 40, it is only necessary to be first pressed downward the head 52 of stop pin, be then rotated by 90 ° again so that
A longer character segment for resilient key 55 and cross plum blossom hole is aligned, and under the elastic force effect of spring 43, stop pin is jacked up, will
It takes out.Then hook is hooked in the steam vent of well lid, you can removes well lid.Above-mentioned for ground in the future
Before depression or the height and gradient that adjust lifting ring in order to increase road surface, well lid can be removed in this way.
When covering well lid 40 again, it is only necessary to repeat the above method.
While embodiments of the invention have been described above, but those skilled in the art should the present invention be not limited to these tools
The content of body description.
It should be understood that the plum blossom hole employed in the present invention is not limited to cross, it is any to play resilient key
The shape that being rotated to an angle after being inserted by direction to suffer restraints may be incorporated for plum blossom hole.
Using technical scheme, well lid can lift and tilt on demand relative to road surface, meet road pavement paving
If different requirements, occur pavement depression afterwards for many years even in road surfacing or need overall to spread again, it is only necessary to regulation lifting
Ring can meet that road surface requires to new height and gradient, convenient to safeguard in the future and accordingly reduce construction cost.In addition, this hair
Bright locking device can reduce with fast and reliable by Manhole cover lock and occur the possibility of noise during use, improve road
The quality of laying.
Although only certain exemplary embodiments of this invention is described in detail here, they give just for the sake of the purpose explained
Go out, and it is not considered that they are construed as limiting to the scope of the present invention.Without departing from the spirit and scope of the present invention, respectively
Kind is replaced, change and transformation can be contemplated out.
Claims (14)
1. a kind of Manhole cover assembly, it includes：
Base, its flange that there is the main body of general cylindrical shape and extended radially outwardly from main body one end, in the main body
On wall adjusting means is provided with formed with least one circle internal thread, the flange；
Lifting ring, the lifting ring has the main body of general cylindrical shape and the enlarged-diameter portion positioned at the main body one end, in institute
State and form opening for the lifting ring formed with least three circle external screw threads, the enlarged-diameter portion on the outer wall of the main body of lifting ring
Mouthful；And
For covering the well lid of the opening,
The main body of the lifting ring is arranged in the main body of the base, to cause the external screw thread of the lifting ring and the base
Internal thread can screw togather, by rotation, the selectivity lifting ring moves relative to the base along longitudinal axis,
Wherein described Manhole cover assembly also includes being used for the base track engaged with cement substrate, and the base track has substantially
The main body of annular, and be mounted so as to relative to the base track can be by the tune on the flange of base for the base
Regulating device adjusting base relative to base track angle of inclination.
2. Manhole cover assembly as claimed in claim 1, it is characterised in that the flange of the base is provided with one be diametrically opposed to one another
To screwed hole, screwed togather in the axial direction for a pair of regulating bolts through in floor installation to base track, regulating bolt can pass through
Screw and stretch out screwed hole and against the upper surface of base track.
3. Manhole cover assembly as claimed in claim 2, it is characterised in that the main body of the base track is on an upper circumferentially
Include annular recess on direction, when on floor installation to base track, regulating bolt against and be contained on base track
In the annular recess.
4. the Manhole cover assembly as described in claim 1-3, it is characterised in that the lower surface of the flange of the base is provided with diameter
Upper a pair relative of grooves radially extended, the groove are practised physiognomy when on floor installation to base track with the annular recess
Right, each of two regulation cylinders are respectively accommodated in the groove and the annular recess so that the base can be relative
Rotated in the base track.
5. such as the Manhole cover assembly any one of claim 1-4, it is characterised in that the upper surface of the internal thread of the base
On it is uniformly spaced in the circumferential direction formed with least three support blocks, the support block.
6. Manhole cover assembly as claimed in claim 5, it is characterised in that the height of the support block is about 1mm, and circumferentially side
To length be about 50mm.
7. such as the Manhole cover assembly any one of claim 1-6, it is characterised in that in the enlarged-diameter portion of the lifting ring
External peripheral surface be provided with least three projections, the projection is uniformly spaced in the circumferential direction, and the projection is in well lid group
Contacted when part is installed on road surface with ground surface material to mitigate the load on the external screw thread of the internal thread and lifting ring that act on base.
8. such as the Manhole cover assembly any one of claim 1-7, it is characterised in that the base track is included from base rail
The body in road extends radially outwardly and evenly spaced at least three fixed part, is provided with fixing bolt on the fixed part, institute
Direction of the axis direction parallel to the plane of the base track of fixing bolt is stated, in floor installation in when institute on base track
Stating fixing bolt can be extended internally beyond the excircle of the flange of base by screwing, to prevent base from being taken off from base track
Open.
9. according to the Manhole cover assembly described in claim 1-8, it is characterised in that the Manhole cover assembly also includes being used for the liter
The locking device that drop ring can be releasably locked together with the well lid.
10. Manhole cover assembly according to claim 9, it is characterised in that the locking device include stop pin, steady pin with
And spring, the stop pin include the body of rod and positioned at the heads of described body of rod one end, it is another that the steady pin is located at the body of rod
One end, the spring housing connect on the body of rod and with the head, and the steady pin is substantially vertical with the stop pin, institute
State well lid and the enlarged-diameter portion has plum blossom hole formed with counter sink, the counter sink, is opened described in well lid covering
During mouth, the plum blossom hole aligns each other so that the steady pin can suffer restraints after passing through the plum blossom hole, and the bullet
Spring is pressurized between the head and the well lid.
11. Manhole cover assembly according to claim 10, it is characterised in that the head of the stop pin has counter sink, institute
The shape for stating the shape of the counter sink of stop pin and the junction surface of specific purpose tool is corresponding.
12. Manhole cover assembly according to claim 11, it is characterised in that the counter sink on the head of the stop pin has three
Angular shape, rectangular shape or diamond shape.
13. the Manhole cover assembly according to any one of claim 1 to 12, it is characterised in that be provided with the lifting ring
For grasping so as to the grasping part of rotation and lifting ring.
14. the Manhole cover assembly according to any one of claim 1 to 13, it is characterised in that the internal thread and external screw thread
For trapezoidal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714752.3A CN107780439B (en) | 2016-08-24 | 2016-08-24 | Well lid assembly with adjustable base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714752.3A CN107780439B (en) | 2016-08-24 | 2016-08-24 | Well lid assembly with adjustable base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107780439A true CN107780439A (en) | 2018-03-09 |
| CN107780439B CN107780439B (en) | 2021-04-16 |
Family
ID=61392995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610714752.3A Active CN107780439B (en) | 2016-08-24 | 2016-08-24 | Well lid assembly with adjustable base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107780439B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561698A (en) * | 2018-05-28 | 2018-09-21 | 河南豪威智能科技有限公司 | It is a kind of with supporting leg and with storage function intelligent camera apparatus |
| GB2574791A (en) * | 2018-04-24 | 2019-12-25 | Natalia Kovacikova | Sewage shaft with cover, and adjustable settings for height and angle |
| CN112031033A (en) * | 2020-08-21 | 2020-12-04 | 安徽双松机电制造有限公司 | Reinforced composite well cover |
| CN112065083A (en) * | 2020-08-26 | 2020-12-11 | 广船国际有限公司 | Open pore protection component of immersed tube steel shell |
| CN112144576A (en) * | 2020-09-25 | 2020-12-29 | 王勇 | Automatic well lid mounting and dismounting device |
| CN113062362A (en) * | 2021-04-23 | 2021-07-02 | 中国五冶集团有限公司 | Lifting type sinking well lid suitable for slope of park urban greening ground |
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| CN104775697A (en) * | 2015-04-13 | 2015-07-15 | 上海吉信金属制品有限公司 | Spring tri-proof locking device for well lid and unlocking tool for spring tri-proof locking device |
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| CN102272385A (en) * | 2008-12-31 | 2011-12-07 | 李在德 | Manhole cover |
| CN202007416U (en) * | 2011-03-18 | 2011-10-12 | 山西晋城汉通机械有限公司 | Well seat lifting adjusting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2574791A (en) * | 2018-04-24 | 2019-12-25 | Natalia Kovacikova | Sewage shaft with cover, and adjustable settings for height and angle |
| CN108561698A (en) * | 2018-05-28 | 2018-09-21 | 河南豪威智能科技有限公司 | It is a kind of with supporting leg and with storage function intelligent camera apparatus |
| CN112031033A (en) * | 2020-08-21 | 2020-12-04 | 安徽双松机电制造有限公司 | Reinforced composite well cover |
| CN112065083A (en) * | 2020-08-26 | 2020-12-11 | 广船国际有限公司 | Open pore protection component of immersed tube steel shell |
| CN112144576A (en) * | 2020-09-25 | 2020-12-29 | 王勇 | Automatic well lid mounting and dismounting device |
| CN113062362A (en) * | 2021-04-23 | 2021-07-02 | 中国五冶集团有限公司 | Lifting type sinking well lid suitable for slope of park urban greening ground |
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| CN107780439B (en) | 2021-04-16 |
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