CN207361057U - A kind of manhole shaft with interior undergauge base - Google Patents
A kind of manhole shaft with interior undergauge base Download PDFInfo
- Publication number
- CN207361057U CN207361057U CN201721444408.3U CN201721444408U CN207361057U CN 207361057 U CN207361057 U CN 207361057U CN 201721444408 U CN201721444408 U CN 201721444408U CN 207361057 U CN207361057 U CN 207361057U
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- China
- Prior art keywords
- base
- well bore
- connecting portion
- manhole shaft
- well
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Abstract
The utility model discloses a kind of manhole shaft with interior undergauge base, including well bore, base and well lid, the base is connected to one end of well bore, and sealing ring is provided with the well lid, and one side of the well lid with sealing ring is covered in well bore on the end face of base one end；Well bore by more piece increase section connection form, it is two neighboring increase section between by fluid sealant seal be bonded；Connecting portion, the fixed well bore of connecting portion connection and base are provided between well bore and base, is sealed in the junction of the junction and connecting portion of connecting portion and well bore and base by fluid sealant；It is provided with flange on the inner wall of base, pipeline or storage tank outside flanged joint；The diameter of the base cross section is being gradually decreased close to well bore one end to close to flange one end, mounting hole is offered on the side wall of base, the purpose of this utility model is to provide a kind of manhole shaft with interior undergauge base, it is improper to solve existing manhole shaft seal approach, the problem of in rain penetration to manhole shaft.
Description
Technical field
It the utility model is related to the technical field of manhole shaft, and in particular to a kind of manhole shaft with interior undergauge base.
Background technology
The safety that manhole shaft is mounted in tank roof is met an urgent need the apparatus for examination and repair of air-breather or communication line.
Manhole shaft is usually matched in the air-breather for storage tank equipment with flame damper, mechanical breather valve, can
Avoid, because of drastically superpressure or during vacuum in tank caused by accidental cause, damaging storage tank and accident occurring, and play safe back-fire relief and make
With, it is the safety device for protecting storage tank, the vault normal pressure tank to be bound especially suitable for storage material with nitrogen, with level pressure row
Put, level pressure suction, be opened and closed flexible, safe back-fire relief, compact-sized, good seal performance, it is safe and reliable the advantages that.Manhole shaft is divided into tightly
Anxious pressure release manhole shaft, anti-explosion fire-retardant breathing manhole well, roof manhole well, shell manhole well and belt carcass manhole shaft etc..Manhole shaft should
There is one to be located at near flowline right side, and make manhole shaft face tank room sealed door as far as possible, so as to personnel's disengaging, maintenance tank body
Used with ventilation nozzle.It is installed on due to manhole shaft on the orlop body circle of tank body, antiseep just seems especially important.It is required that two methods
Blue faying face must assure that its glacing flatness, and phenomenon is turned round without floaing.Reinforcing plate and flange should try one's best and be cut on monoblock steel plate without spelling
Connect.Sealing structure is machined with flange and cover board, to pay special attention to protect in construction.
Manhole shaft is in the apparatus for examination and repair for communication line, the position of manhole shaft setting：Got over to be handed in railway or road
Place and pipe ends；At pipe branch, turning and introducing；In the place for having loading coil box, manhole is set.Manhole shaft is preferably set
By lateral road at road slope break, between the central garden of street, street turning point, on pavement, building line recession
Draw upper boom or communication line introduction point with close.Manhole shaft should not be located at doorway (such as garage, the fire brigade of important building
Deng), traffic main artery, unstable building nearby, at fire hydrant or well, village put equipment place, and have other ground
The place that underground pipelines pass through.It is, in general, that straight through manhole well is set among line communication pipeline；Have on line communication pipeline
During other direction difference communication pipe, threeway manhole shaft is set in ramification point；Set in length and breadth on two communication pipe crosspoints
Put four-way manhole shaft；Tiltedly logical manhole shaft is set on arc, crooked pipeline break, tiltedly logical manhole have 15 °, 30 °, 45 °, 60 °,
75 ° etc., the angle of every kind of tiltedly logical manhole is applicable in the range of ± 7.5 °；Vault manhole well should be set at telephone office's striking out,
Since the out pipeline for creating Communication Building has been substituted by cable passage, it is no longer necessary to vault manhole well is set, therefore in type of manhole
In there is no vault manhole well.When continuing to use communication pipe extraction Communication Building, above-mentioned suitable manhole shaft type make-game forefathers can be selected
Kong Jing.
Existing manhole shaft is simple in structure, can not achieve good sealing effect in use, and rainwater is easy to ooze
Thoroughly in population well, very big security risk is caused.A kind of manhole shaft for sealing water leakage is needed now, in the construction process
Using multi-sealing structure, prevent in the well of rain penetration import, the equipment for protecting inside.
Utility model content
The purpose of this utility model is to provide a kind of manhole shaft with interior undergauge base, to solve existing manhole
Well seal approach is improper, the problem of in rain penetration to manhole shaft.
To achieve the above object, the technical solution of the utility model is：A kind of manhole shaft with interior undergauge base, including
Well bore, base and well lid, the base are connected to one end of well bore, sealing ring are provided with the well lid, well lid is with close
The one side of seal is covered in well bore on the end face of base one end；Well bore increases section connection by more piece and forms, and adjacent two
It is a increase section between by fluid sealant seal be bonded；Be provided with connecting portion between well bore and base, the fixed well bore of connecting portion connection with
Base, is sealed in the junction of the junction and connecting portion of connecting portion and well bore and base by fluid sealant；On the inner wall of base
It is provided with flange, pipeline or storage tank outside flanged joint；The diameter of the base cross section close to well bore one end to close
Flange one end gradually decreases, and mounting hole is offered on the side wall of base.
Through the above technical solutions, through the above technical solutions, existing manhole shaft is simple in structure, in use not
It can realize good sealing effect, rainwater is easy to infiltrate into population well, causes very big security risk, the utility model is
A kind of manhole shaft with interior undergauge base, increases many places seal approach in junction, prevents in the well of rain penetration import, protect
Equipment inside shield.
Preferably, the connecting portion is cyclic adapting piece, the junction of connecting portion is fastened by multiple bolt parts.
Preferably, the base is provided with octahedral side wall, the angle of every surface side wall and base end face is 40 ° -50 °.
Preferably, the well lid is provided with the supporting item of multiple abuttings on the ground close to the side on ground.
Preferably, it is provided with stair tread on the inner wall of the manhole shaft.
The utility model method has the following advantages that：
1st, the utility model uses multi-sealing structure, prevents in the well of rain penetration import, the equipment for protecting inside；
2nd, the well bore of the utility model increases section connection by more piece and forms, and the quantity for increasing section is set according to the actual requirements,
Different height can be connected into meet the needs of construction.
3rd, the utility model base uses the structure of interior undergauge, and the diameter of base upside cross section is more than downside, and flange is solid
Due on the inner wall of base, the sealing effect reached is more preferable.
Brief description of the drawings
Fig. 1 is the structure diagram of the manhole shaft with interior undergauge base.
Brief description of the drawings：1st, well bore；11st, section is increased；2nd, base；3rd, well lid；31st, supporting item；4th, connecting portion；41st, bolt part.
Embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
A kind of manhole shaft with interior undergauge base, manhole shaft include well bore 1, base 2 and well lid 3, and base 2 is connected to
One end of well bore 1, well lid 3 are provided with sealing ring in the upper end junction with well bore 1, and one side of the well lid 3 with sealing ring seals
Cover on end face of the well bore 1 away from 2 one end of base.
Well bore 1 increases the connection of section 11 by more piece and forms, and the quantity for increasing section 11 is set according to the actual requirements, can be connected into
Different height with meet construction the needs of.It is adjacent increase section 11 between by fluid sealant seal be bonded.
Connecting portion 4, the fixed well bore 1 of the connection of connecting portion 4 and base 2 are provided between well bore 1 and base 2, connecting portion 4 is ring
Shape connector, the junction of connecting portion 4 are fastened by multiple bolt parts 41.In the junction and company of connecting portion 4 and well bore 1
Socket part 4 and the junction of base 2 are sealed by fluid sealant.
Base 2 is led to exterior pipeline by the flanged joint or base 2 set on 2 inner wall of base with exterior storage tank
The flanged joint set is crossed on 2 inner wall of base, and flange, which is realized, is tightly connected pipeline or storage tank.The diameter of 2 cross section of base by
Nearly 1 one end of well bore is gradually decreased to close to flange one end, makes the structure of undergauge in base presentation.Peace is offered on the side wall of base
Hole is filled, mounting hole is used for connecting up or wearing pipeline.
Base is provided with octahedral side wall, and the angle of every surface side wall and base end face is 40 ° -50 °.
Well lid 3 is provided with four supporting items for being connected to ground 31 close to the side on ground, and four supporting items 31 are distributed in
On four angles of well lid 3.
Stair tread is provided with the inner wall of manhole shaft, stair tread facilitates maintenance personal to enter maintenance in well.
The utility model is the manhole shaft with abduction footpath base, between well bore 1 and well lid 3, well bore 1 and base 2 by
Fluid sealant is sealed, and base 2 is tightly connected with external pipeline by flange 5.Base uses the structure of interior undergauge, upside
Diameter is more than the diameter of downside, and well flange is fixed on the inner wall of base, and the effect of sealing is more preferable.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (5)
- A kind of 1. manhole shaft with interior undergauge base, it is characterised in that：The manhole shaft include well bore (1), base (2) and Well lid (3), the base (2) are connected to one end of well bore (1), sealing ring are provided with the well lid (3), and well lid (3) carries The one side of sealing ring is covered in well bore (1) on the end face of base (2) one end；Well bore (1) increases section (11) connection by more piece and form, two neighboring to increase between section (11) by fluid sealant sealing bonding；Connecting portion (4), the fixed well bore (1) of connecting portion (4) connection and base (2) are provided between well bore (1) and base (2), Connecting portion (4) is sealed with the junction of well bore (1) and connecting portion (4) and the junction of base (2) by fluid sealant；It is provided with flange on the inner wall of base (2), pipeline or storage tank outside flanged joint；Base (2) cross section it is straight Footpath is being gradually decreased close to well bore (1) one end to close to flange one end, and mounting hole is offered on the side wall of base (2).
- 2. the manhole shaft according to claim 1 with interior undergauge base, it is characterised in that：The connecting portion (4) is ring Shape connector, the junction of connecting portion (4) are fastened by multiple bolt parts (41).
- 3. the manhole shaft according to claim 1 with interior undergauge base, it is characterised in that：The base (2) is provided with The angle of octahedral side wall, every surface side wall and base (2) bottom surface is 40 ° -50 °.
- 4. the manhole shaft according to claim 1 with interior undergauge base, it is characterised in that：The well lid (3) is closely The side in face is provided with the supporting item (31) of multiple abuttings on the ground.
- 5. according to any manhole shafts with interior undergauge base of claim 1-4, it is characterised in that：The manhole shaft Stair tread is provided with inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444408.3U CN207361057U (en) | 2017-11-02 | 2017-11-02 | A kind of manhole shaft with interior undergauge base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444408.3U CN207361057U (en) | 2017-11-02 | 2017-11-02 | A kind of manhole shaft with interior undergauge base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207361057U true CN207361057U (en) | 2018-05-15 |
Family
ID=62345207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721444408.3U Active CN207361057U (en) | 2017-11-02 | 2017-11-02 | A kind of manhole shaft with interior undergauge base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207361057U (en) |
-
2017
- 2017-11-02 CN CN201721444408.3U patent/CN207361057U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |