CN201330408Y - Integral plastic inspection chamber by rotational molding method - Google Patents
Integral plastic inspection chamber by rotational molding method Download PDFInfo
- Publication number
- CN201330408Y CN201330408Y CNU2008202239746U CN200820223974U CN201330408Y CN 201330408 Y CN201330408 Y CN 201330408Y CN U2008202239746 U CNU2008202239746 U CN U2008202239746U CN 200820223974 U CN200820223974 U CN 200820223974U CN 201330408 Y CN201330408 Y CN 201330408Y
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- Prior art keywords
- well
- well body
- plastic inspection
- chamber
- rotation molding
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- Expired - Fee Related
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- 229920003023 plastic Polymers 0.000 title claims abstract description 58
- 239000004033 plastic Substances 0.000 title claims abstract description 58
- 238000007689 inspection Methods 0.000 title claims abstract description 40
- 238000001175 rotational moulding Methods 0.000 title abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000000465 moulding Methods 0.000 claims description 30
- 210000003205 muscle Anatomy 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 8
- 239000011449 brick Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses an integral plastic inspection chamber by the rotational molding method, which comprises a chamber body, wherein an annular protruding mechanism is arranged on the chamber body along the horizontal direction, and the protruding mechanism and the chamber body are formed into a whole body; and the protruding mechanism protrudes outwards on the chamber body and is concave in the chamber body, and a plurality of protruding mechanisms are longitudinally arranged at a necking cone part at the upper part of the chamber body (a necking chamber or an eccentric necking chamber). The utility model adopts the rotational molding method and the integral structure, and the protruding mechanism arranged on the chamber body in an integral way along the horizontal direction improves the strength of the plastic inspection chamber; and the utility model is not only used in straight cylindrical chambers, but also used in plastic inspection chambers with eccentric chamber mouths.
Description
Technical field
The utility model relates to a kind of plastic inspection well, relates in particular to a kind of monolithic plastic inspection well that adopts the moulding of rotational moulding method.
Background technology
For constructing of buried pipeline manhole, traditional method is after digging pit in place, the position of manhole, builds by laying bricks or stones or the shaft bottom of concreting with loam brick, builds pit shaft by laying bricks or stones with loam brick again and is communicated with buried pipeline, shaft in wall is smeared concrete, and walling crib and well lid are installed then.Adopt not only complex procedures of cast-in-place method, troublesome poeration, long construction period, the influence that engineering is subjected to artificial and natural environment is bigger, and quality is difficult for guaranteeing.
In order to solve the problem that above-mentioned brick manhole exists, plastic inspection well has appearred.The blowdown of making both at home and abroad at present mainly is divided into the injection moulding formula, is wound in pattern and die casting formula with straight tube plastic inspection well production technology: the injection moulding formula is produced plastic inspection well and is adopted raw material to be generally polyvinyl chloride (PVC), use plastic injection equipment and moulding form high-pressure injection molding, Wrapping formed plastic inspection well is a raw material with polyethylene (HDPE) then, and it is helically-wound shaped again to adopt extruder to extrude the base pipe; The die casting formula is produced and is taked to extrude the melting plastics with extruder earlier, is cast into plastic inspection well with press and moulding form again.The plastic inspection well equipment and the mould that adopt Shooting Technique to produce drop into huge, there is welding hidden danger in the plastic inspection well that adopts winding process to produce, and can not produce the eccentric type plastic manhole, if the plastic inspection well diameter 630 that adopts extrusion process production is to 1500mm, equipment and mould input are also very big, also have Combination Welding hidden danger.Also have the rotational moulding of employing method to produce plastic inspection well now, but both unresolved well head off-centre is beneficial to workman's safety assurance up and down, unresolved again rotational moulding method is produced the problem safe in utilization of plastic inspection well intensity.
The utility model content
The purpose of this utility model is to overcome the problems referred to above that existing plastic inspection well exists, a kind of monolithic plastic inspection well of rotation molding is provided, the utility model adopts the moulding of rotational moulding method, adopt monolithic construction, the along continuous straight runs integral molding has bump mechanism on the well body, strengthened the intensity of plastic inspection well, promptly can be used for straight tube well, also can be used in the tapering and eccentric type plastic checking-well.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of monolithic plastic inspection well of rotation molding comprises the well body, it is characterized in that: along continuous straight runs is provided with the ring-type bump mechanism on the well body, bump mechanism and well body integral molding; Described bump mechanism outwards protrudes on the well body, indent in the well body.
Described bump mechanism is be arranged in parallel a plurality of.
Also be provided with the enhancing skeleton on the described well body, strengthen skeleton and be coated in the moulding plastics.
Described enhancing skeleton is steel frame or steel mesh formula skeleton.
Described well body well chamber interior walls is provided with maintenance and marks time, and bottom, well chamber is provided with the blowdown chute that is communicated with arm.
Described manhole is a tapering and eccentric type plastic checking-well, and the well body comprises main well body and the upper well body that is the eccentric shape that closes up that is connected with main well body.
Be vertically arranged with the protrusion muscle that is strip on the described upper well body, protrude muscle and on the well body, outwards protrude indent in the well body.
Described manhole is straight tube well.
Adopt advantage of the present utility model to be:
One, the utility model along continuous straight runs on the well body is provided with the ring-type bump mechanism, bump mechanism and well body integral molding; Protrude the structure machine and on the well body, outwards protrude, indent in the well body, bump mechanism has the effect that increases plastic inspection well intensity, adopt the integrally-built plastic inspection well of rotational moulding method integral molding, moulding is simple and convenient, promptly can be used for straight tube well, also can be used in the well head eccentric type plastic manhole.
Two, the utility model bump mechanism can be a plurality ofly, can change the number of bump mechanism according to the requirement of strength of plastic inspection well.
Three, also be provided with the enhancing skeleton on the utility model well body,, strengthen skeleton and be coated in the plastics as steel frame or steel mesh formula skeleton, in aggregates with moulding plastics, cooperate with bump mechanism, the intensity of manhole can be fully guaranteed.
Four, the utility model adopts the moulding of rotational moulding method, and technology is reliable, easy operating, and the equipment input is fit to China's actual conditions well below injection moulding production.
Five, the utility model well chamber can be provided with the chute of guide functions if use as sink hole, if use as the dirty catch pit of rain, arm can be set, and arm is a bell and spigot, is easy to be connected with other tubing.
When six, the utility model was tapering and eccentric type plastic checking-well, the well body comprised main well body and the upper well body that is the eccentric shape that closes up that is connected with main well body, also can be straight tube well, and is various informative.
When seven, the utility model is applied in the closing in well, be vertically arranged with the protrusion muscle that is strip on the upper well body of closing in well, protrude muscle and outwards protrude on the well body, indent in the well body has guaranteed the requirement of strength of closing in well.
Description of drawings
Fig. 1 adopts the cross-sectional view of closing in eccentric type for the utility model
Fig. 2 adopts the contour structures schematic diagram of closing in eccentric type for the utility model
Be labeled as among the figure: 1, bump mechanism, 2, upper well body, 3, protrude muscle, 4, strengthen skeleton, 5, main well body.
The specific embodiment
A kind of monolithic plastic inspection well of rotation molding comprises the well body, is provided with ring-type bump mechanism 1 at along continuous straight runs on the well body, bump mechanism 1 and well body integral molding; Described bump mechanism 1 outwards protrudes on the well body, indent in the well body, the closing in well or eccentric aboveground the closing in cone that close up partly are that a plurality of protrusion muscle 3 that are strip can also vertically be set on the upper well body 2, protrude muscle 3 and outwards protrude indent in the well body on the well body.Wherein, bump mechanism 1 can be arranged in parallel to a plurality of.On the well body, can enhancing skeleton 4 be set, strengthen skeleton 4 and be coated in the moulding plastics according to requirement of strength.Strengthen skeleton 4 and can be steel frame or steel mesh formula skeleton.Manhole well chamber interior walls is provided with maintenance and marks time, and is provided with the blowdown chute that is communicated with arm in bottom, well chamber.The utility model manhole is a tapering and eccentric type plastic checking-well, and the well body comprises main well body 5 and the upper well body that is the eccentric shape that closes up that is connected with main well body.The utility model also can be straight tube well.
Manhole in the utility model can be straight tube well or tapering and eccentric type plastic checking-well.When being tapering and eccentric type plastic checking-well, the well body comprises main well body 5 and the upper well body 2 that is the eccentric shape that closes up that is connected with main well body 5, also bump mechanism can be set on the upper well body 2, according to requirement of strength, a plurality of protrusion muscle 3 that are strip can be set vertically also.The preliminary shaft of upper well body 2 is the pit shaft bellmouth, and the plastic inspection well buried depth exceeds well chamber height then to be satisfied by the pit shaft that inserts preliminary shaft.Plastic inspection well can be provided with arm if use as the dirty catch pit of rain, and arm is a bell and spigot, is easy to be connected with other tubing, if use as sink hole, the chute of guide functions can be set.
Below closing in eccentric type highstrenghtpiston manhole is launched explanation:
Adopt rotational moulding method production closing in eccentric type highstrenghtpiston manhole, main well body 5 is provided with ring-type projective structure 1, ring-type projective structure 1 and the protrusion muscle 3 that is strip also can be set on the upper well body 2, on the well body, also can be provided with simultaneously and strengthen skeleton 4, guaranteed product strength, maintenance can be set on the well chamber interior walls marks time, plastic inspection well well chamber can be provided with chute, well head is the pit shaft bellmouth, the plastic inspection well buried depth exceeds well chamber height then to be satisfied by the pit shaft that inserts preliminary shaft, if use as the dirty catch pit of rain, arm can be set, arm is a bell and spigot, is easy to be connected with other tubing.
Forming method of the present utility model is as follows: adopt the rotational moulding mode to produce plastic inspection well, moulding form and manhole shape are complementary, earlier moulding form is placed on the rotational moulding frame, according to requirement of strength, the enhancing skeleton is set if desired, then fix the enhancing skeleton simultaneously, when the startup heater treats that temperature reaches set point, the opening mold lid is poured powdered plastic into, start the rotational moulding machine after covering die cover, opening mold takes out plastic inspection well when treating that whole well body reaches desired thickness, strengthen skeleton by plastic overmold in the plastic inspection well borehole wall.
Obviously; those of ordinary skill in the art is according to technological know-how of being grasped and customary means; according to above said content, can also make the various ways that does not break away from the utility model fundamental technics thought, these pro forma conversion are all within protection domain of the present utility model.
Claims (8)
1, a kind of monolithic plastic inspection well of rotation molding comprises the well body, it is characterized in that: along continuous straight runs is provided with ring-type bump mechanism (1) on the well body, bump mechanism (1) and well body integral molding; Described bump mechanism (1) outwards protrudes on the well body, indent in the well body.
2, the monolithic plastic inspection well of rotation molding according to claim 1 is characterized in that: described bump mechanism (1) is a plurality of for what be arranged in parallel.
3, the monolithic plastic inspection well of rotation molding according to claim 1 and 2 is characterized in that: also be provided with enhancing skeleton (4) on the described well body, strengthen skeleton (4) and be coated in the moulding plastics.
4, the monolithic plastic inspection well of rotation molding according to claim 3 is characterized in that: described enhancing skeleton (4) is steel frame or steel mesh formula skeleton.
5, the monolithic plastic inspection well of rotation molding according to claim 1 and 2 is characterized in that: described well body well chamber interior walls is provided with maintenance and marks time, and bottom, well chamber is provided with the blowdown chute that is communicated with arm.
6, the monolithic plastic inspection well of rotation molding according to claim 1 and 2, it is characterized in that: described manhole is a tapering and eccentric type plastic checking-well, and the well body comprises main well body (5) and the upper well body (2) that is the eccentric shape that closes up that is connected with main well body (5).
7, the monolithic plastic inspection well of rotation molding according to claim 6 is characterized in that: be vertically arranged with the protrusion muscle (3) that is strip on the described upper well body (2), protrude muscle (3) and outwards protrude indent in the well body on the well body.
8, the monolithic plastic inspection well of rotation molding according to claim 1 and 2 is characterized in that: described manhole is straight tube well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202239746U CN201330408Y (en) | 2008-12-31 | 2008-12-31 | Integral plastic inspection chamber by rotational molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202239746U CN201330408Y (en) | 2008-12-31 | 2008-12-31 | Integral plastic inspection chamber by rotational molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330408Y true CN201330408Y (en) | 2009-10-21 |
Family
ID=41223786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202239746U Expired - Fee Related CN201330408Y (en) | 2008-12-31 | 2008-12-31 | Integral plastic inspection chamber by rotational molding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330408Y (en) |
-
2008
- 2008-12-31 CN CNU2008202239746U patent/CN201330408Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20131231 |