CN205839809U - A kind of fall arrest overflow wellhead assembly - Google Patents
A kind of fall arrest overflow wellhead assembly Download PDFInfo
- Publication number
- CN205839809U CN205839809U CN201620822832.6U CN201620822832U CN205839809U CN 205839809 U CN205839809 U CN 205839809U CN 201620822832 U CN201620822832 U CN 201620822832U CN 205839809 U CN205839809 U CN 205839809U
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- CN
- China
- Prior art keywords
- overflow well
- overflow
- well lid
- shrouding disc
- platform
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of fall arrest overflow wellhead assembly belongs to the wellhead assembly field of urban road sewage drainage pipe network, and it includes overflow well lid and overflow well lid pedestal；Overflow well lid includes overflow well shrouding disc, overflow well bezel ring, platform, multiple latch segment and baffle, overflow well shrouding disc is provided with two dog holes, overflow well bezel ring, platform is fixed on the circumference of overflow well shrouding disc lower surface, multiple latch segments are separately fixed on the overflow well shrouding disc lower surface circumference being positioned at inside overflow well bezel ring, platform, and baffle is held within the overflow well shrouding disc lower surface circumference inside multiple latch segment；Overflow well lid covers on overflow well lid pedestal, and is connected by multiple latch segments are spacing with overflow well lid pedestal.This utility model current can be carried out overflow and pressure release is dredged, and reduces the current pressure to overflow well lid, it is to avoid overflow well lid is lost because of water impact or destroyed；Overflow well lid will not completely disengage from all the time with overflow well lid pedestal, ensured by way of pedestrian and vehicle will not crash in well head.
Description
Technical field
This utility model belongs to the wellhead assembly field of urban road sewage drainage pipe network, is specifically related to a kind of fall arrest and overflows
Stream wellhead assembly.
Background technology
As shown in Figure 1 to Figure 2, the wellhead assembly of existing urban road sewage drainage pipe network generally includes well lid 1 and well lid
Pedestal 2, well lid 1 includes integrated well lid dish 1-1 and well lid land 1-2, and well lid pedestal 2 is seated on well head, on it
End face is concordant with road surface, and base plate 2-1 is pressed on below road surface by road surface foundation stone, and well lid 1 relies on self gravitation to be coaxially located
On well lid pedestal 2.Well lid pedestal 2 includes integrated base plate 2-1, pedestal land 2-2 and well lid land bearing 2-
3, well lid land bearing 2-3 is coaxially fixed on the medial wall of pedestal land 2-2, and the upper surface of pedestal land 2-2 is used for supporting
Well lid dish 1-1, the lateral wall of well lid land 1-2 is coaxially nested in pedestal land 2-2, and the lower surface of well lid land 1-2 is located
On well lid land bearing 2-3.In order to avoid the air pollution of the well head of sewage network is excessive, part well lid 1 is only an envelope
The sieve pore structure that lid structure and not having is leaked to down-hole, is especially specifically designed to maintenance wellhead assembly, on its well lid dish 1-1
Only remain with the crowbar jack 1-1-1 for open manhole cover.
But, in low-lying location, incity, city, the well head of its road drainage pipe network is in relative low level, when city is because of heavy rain
Or during big flood initiation waterlogging, converging at low-lying location from drainage pipeline networks from the current of eminence, current can be full of pipe network even
Can gush from well head, form overflow.Extreme in particular cases at some, the powerful hydraulic pressure of well head overflow even may be used
To be washed away completely from well lid pedestal 2 by well lid 1, now, road surface is likely to flood under the water surface completely, and lacks well lid
Well lid pedestal 2 is the most exposed with under water, and vehicle and pedestrian are all constituted security threat.
For guaranteeing that well lid 1 will not depart from well lid pedestal 2, existing wellhead assembly generally uses fixing and locking mechanism by it
The two is reliable connected, but the wellhead assembly of sewage drainage pipe network is also completely fixed on road surface by this simultaneously, and cannot be to pipe network
Internal flowing water produces overflow and pressure release effect, and therefore, this mode blocking well head completely is easily to other of sewage network
Link produces bigger pressure destruction, forms new potential safety hazard.
Utility model content
Fixing and locking mechanism is generally used reliably to be connected with well lid pedestal by well lid in order to solve existing wellhead assembly, its
Not possessing depression bilge well pipe network water pressure overflow decompression safeguard function, this mode of well head that blocks completely is easily to sewage network
Other link produce bigger pressure destruction, form the technical problem of new potential safety hazard, this utility model provides one
Plant fall arrest overflow wellhead assembly.
The technical scheme that this utility model solution technical problem is taked is as follows:
A kind of fall arrest overflow wellhead assembly, it includes overflow well lid and overflow well lid pedestal；Overflow well lid includes overflow
Well lid dish, overflow well bezel ring, platform, multiple latch segment and baffle, overflow well shrouding disc is provided with two dog holes, and overflow well bezel ring, platform is solid
Being scheduled on the circumference of overflow well shrouding disc lower surface, multiple latch segments are separately fixed at the overflow well lid being positioned at inside overflow well bezel ring, platform
On the circumference of dish lower surface, baffle is held within the overflow well shrouding disc lower surface circumference inside multiple latch segment；Overflow well
Cover on overflow well lid pedestal, and be connected by multiple latch segments are spacing with overflow well lid pedestal.
Described overflow well shrouding disc, overflow well bezel ring, platform and baffle three in one molding or welding.
Described baffle is cone, and the angular range of its circular cone drift angle is 30～150 degree.
Described latch segment includes L shaped plate and magnet piece, and the top of the vertical section of L shaped plate is fixed on overflow well shrouding disc lower surface
On circumference, magnet piece is fixed on the side of L shaped plate horizontal segment.
Described overflow well lid pedestal includes overflow well lid base plate, overflow well lid base ring platform, position limiting structure and many
Individual breach, overflow well lid base ring platform is fixed on overflow well lid base plate, is provided with overflow inside overflow well lid base ring platform
Well lid land bearing；Position limiting structure includes that multiple anticreep plate and multiple ferrum baffle plate, multiple ferrum baffle plate one_to_one corresponding are vertically fixed on
One end of multiple anticreep plates, multiple anticreep plates are separately fixed on the medial surface circumference of overflow well bezel ring, table mount, multiple breach
One_to_one corresponding is located between adjacent two anticreep plates, and the width of each breach is equal to the width of L shaped plate.
The height of the vertical section of described L shaped plate is less than the height of ferrum baffle plate, the upper surface of L shaped plate horizontal segment and anticreep plate
The spacing excursion of lower surface is 0～50mm.
Both described overflow well lid base plate and overflow well lid base ring platform are one-body molded or weld.
The beneficial effects of the utility model are: this fall arrest overflow wellhead assembly is by the anticreep plate on overflow well lid pedestal
Multiple latch segments of overflow well lid lower end are carried out vertical spacing so that overflow well lid has therebetween with overflow well lid pedestal
The vertical freedom degree of certain altitude, overflow well lid can vertically be increased to the height fixed, be formed new when well head overflow
Current are carried out overflow and pressure release are dredged by overflow gap, reduce the current pressure to overflow well lid, it is to avoid overflow well lid is because of current
Impact and lose or destroyed.The magneticaction between the corresponding vertical ferrum baffle plate of magnet piece is utilized to make both it it
Between be only capable of the relative slip that occurs on vertical direction, but will not be the most separated from one another so that each L shaped plate will not
Moving to, near the breach of correspondence, more to slip from breach, the upper surface of L shaped plate can be all the time by anticreep plate lower surface
Vertical spacing stop, ensure and will not relatively rotate between overflow well lid and overflow well lid pedestal, and then guarantee both it
All the time will not completely disengage from, while wellhead assembly exempts from destruction in protection, also ensured by way of pedestrian and vehicle will not fall
Enter to lose in the well head of well lid protection.
In addition this fall arrest overflow wellhead assembly also has simple and practical, easy to operate, with low cost, it is simple to promote
The advantage such as universal.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of old wellhead assembly；
Fig. 2 is the exploded perspective view of Fig. 1；
The axonometric chart of Fig. 3 this utility model a kind of fall arrest overflow wellhead assembly；
Overflow well lid and the assembling schematic diagram of overflow well lid pedestal in Fig. 4 this utility model；
Fig. 5 is the axonometric chart under Fig. 4 depression angle；
Fig. 6 is the axonometric chart that Fig. 4 looks up under angle；
Fig. 7 is the partial enlarged drawing of I part in Fig. 5；
Fig. 8 is the partial enlarged drawing of II part in Fig. 5；
Fig. 9 is the upward view of overflow well lid pedestal in this utility model；
Figure 10 is the axial section of Fig. 4；
Figure 11 is this utility model a kind of fall arrest overflow wellhead assembly axial sectional view under conventional sense；
Figure 12 is the partial enlarged drawing of III part in Figure 11；
Figure 13 is this utility model a kind of fall arrest overflow wellhead assembly axial sectional view under overflow situation；
Figure 14 is the partial enlarged drawing of IV part in Figure 13.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further details.
As shown in Figures 3 to 10, a kind of fall arrest overflow wellhead assembly of the present utility model includes overflow well lid 3 and overflows
Stream well lid pedestal 4.Overflow well lid 3 includes overflow well shrouding disc 3-1, overflow well bezel ring, platform 3-2, four latch segment 3-3 and baffle
3-4, overflow well shrouding disc 3-1 are provided with two dog hole 3-1-1, overflow well bezel ring, platform 3-2 and are fixed on overflow well shrouding disc 3-1 lower surface circle
Zhou Shang, four latch segment 3-3 are separately fixed at the overflow well shrouding disc 3-1 lower surface circumference being positioned at inside overflow well bezel ring, platform 3-2
On, baffle 3-4 is held within the overflow well shrouding disc 3-1 lower surface circumference inside four latch segment 3-3.Overflow well lid 3
Cover on overflow well lid pedestal 4, and be connected by four latch segment 3-3 are spacing with overflow well lid pedestal 4.
Overflow well shrouding disc 3-1, overflow well bezel ring, platform 3-2 and baffle 3-4 three in one molding, baffle 3-4 is circular cone
Body, the angular range of its circular cone drift angle is 30～150 degree.Latch segment 3-3 includes L shaped plate 3-3-1 and magnet piece 3-3-2, L shaped plate
The top of the vertical section of 3-3-1 is fixed on the circumference of overflow well shrouding disc 3-1 lower surface, and magnet piece 3-3-2 is each attached to L shaped plate 3-3-
The right side of 1 horizontal segment.
Overflow well lid pedestal 4 includes overflow well lid base plate 4-1, overflow well lid base ring platform 4-2, position limiting structure 4-3
It is fixed on overflow well lid base plate 4-1 with four breach 4-4, overflow well lid base ring platform 4-2, one-body molded both it,
It is provided with overflow well bezel ring, table mount 4-2-1 inside overflow well lid base ring platform 4-2.Position limiting structure 4-3 includes four anticreep plate 4-
3-1 and four ferrum baffle plate 4-3-2, four ferrum baffle plate 4-3-2 one_to_one corresponding are vertically fixed on the left end of four anticreep plate 4-3-1,
Four anticreep plate 4-3-1 are separately fixed on the medial surface circumference of overflow well bezel ring, table mount 4-2-1, and four breach 4-4 are one by one
Being correspondingly arranged between adjacent two anticreep plate 4-3-1, the width of each breach 4-4 is equal to the width of L shaped plate 3-3-1.L shaped plate 3-
The height of the vertical section of the 3-1 height less than ferrum baffle plate 4-3-2, L shaped plate 3-3-1 is inserted from breach 4-4 and is down to anticreep plate 4-3-1
Lower section, the spacing of the lower surface of the upper surface of L shaped plate 3-3-1 horizontal segment and anticreep plate 4-3-1 is 50mm.
During concrete application a kind of fall arrest overflow wellhead assembly of the present utility model, this fall arrest wellhead assembly is arranged in
Be prone to occur the low-lying location of the urban drainage pipe network of waterlogging and well head flooded conditions, as shown in Figure 13 to Figure 14, when city because of
Heavy rain or big flood cause waterlogging and cause pipe network in water level when raising, if the pressure that overflow well lid 3 is applied by current from bottom to top
Power exceedes the deadweight of overflow well lid 3, and be enough to overcome further the vertical ferrum baffle plate 4-3-of each magnet piece 3-3-2 and correspondence thereof
During stiction summation between 2, will occur between magnet piece 3-3-2 and the vertical ferrum baffle plate 4-3-2 of correspondence thereof relatively to slide,
Overflow well lid 3 under hydraulic pressure effect along the vertical axis upwards lifting of himself, until the upper surface of each L shaped plate 3-3-1 all with
When its each self-corresponding anticreep plate 4-3-1 lower surface contacts, the height of overflow well lid 3 no longer raises, now, and overflow well shrouding disc
The overflow gap of newly generated 50mm between upper surface and the upper surface of overflow well lid base ring platform 4-2 of 3-1, current are let out
Pressure and overflow, while this protection wellhead assembly exempts from destruction, also ensured by way of pedestrian and vehicle will not crash into and lose
In the well head of well lid protection.There is the baffle 3-4 of conical structure the current gushed out below overflow well lid 3 to be played shunting and lead
To effect, alleviate current to the impact in the middle part of overflow well lid 3.
As shown in Figure 11 to Figure 12, when the water level decreasing in urban drainage pipe network, overflow well lid 3 is formed the hydraulic pressure of impact
After reduction, overflow well lid 3 will again fall after rise under himself gravity and fasten with overflow well lid pedestal 4, and overflow well lid 3 is raising
Overflow and declining fall after rise whole during all without manual intervention, and in above process, magnet piece 3-3-2 and correspondence thereof
Vertical ferrum baffle plate 4-3-2 between be only capable of the relative slip that occurs on vertical direction, but will not be the most separated from one another, really
Protect and will not relatively rotate between overflow well lid 3 and overflow well lid pedestal 4.Therefore, each L shaped plate 3-3-1 will not move to
Near corresponding breach 4-4, more will not slip from breach 4-4, the upper surface of L shaped plate 3-3-1 can be all the time by anticreep plate
The vertical spacing stop of 4-3-1 lower surface, ensures that overflow well lid 3 will not completely disengage from both overflow well lid pedestals 4.
Claims (7)
1. a fall arrest overflow wellhead assembly, it is characterised in that this device includes overflow well lid (3) and overflow well lid pedestal
(4)；Overflow well lid (3) includes overflow well shrouding disc (3-1), overflow well bezel ring, platform (3-2), multiple latch segment (3-3) and baffle
(3-4), overflow well shrouding disc (3-1) is provided with two dog holes (3-1-1), and overflow well bezel ring, platform (3-2) is fixed on overflow well shrouding disc (3-
1), on the circumference of lower surface, multiple latch segments (3-3) are separately fixed at the overflow well shrouding disc being positioned at overflow well bezel ring, platform (3-2) inner side
(3-1), on the circumference of lower surface, baffle (3-4) is held within the overflow well shrouding disc (3-1) of multiple latch segment (3-3) inner side
On end face circumference；Overflow well lid (3) covers in overflow well lid pedestal (4), and by multiple latch segments (3-3) and overflow well lid base
Seat (4) spacing connection.
2. a kind of fall arrest overflow wellhead assembly as claimed in claim 1, it is characterised in that described overflow well shrouding disc (3-
1), overflow well bezel ring, platform (3-2) and baffle (3-4) three in one molding or welding.
3. a kind of fall arrest overflow wellhead assembly as claimed in claim 1 or 2, it is characterised in that described baffle (3-4)
For cone, the angular range of its circular cone drift angle is 30 degree～150 degree.
4. a kind of fall arrest overflow wellhead assembly as claimed in claim 1, it is characterised in that described latch segment (3-3) bag
Including L shaped plate (3-3-1) and magnet piece (3-3-2), the top of L shaped plate (3-3-1) vertically section is fixed under overflow well shrouding disc (3-1)
On end face circumference, magnet piece (3-3-2) is fixed on the side of L shaped plate (3-3-1) horizontal segment.
5. a kind of fall arrest overflow wellhead assembly as described in claim 1 or 4, it is characterised in that described overflow well lid base
Seat (4) includes overflow well lid base plate (4-1), overflow well lid base ring platform (4-2), position limiting structure (4-3) and multiple breach
(4-4), overflow well lid base ring platform (4-2) is fixed in overflow well lid base plate (4-1), overflow well lid base ring platform (4-
2) inner side is provided with overflow well bezel ring, table mount (4-2-1)；Position limiting structure (4-3) includes multiple anticreep plates (4-3-1) and multiple ferrum
Baffle plate (4-3-2), multiple ferrum baffle plate (4-3-2) one_to_one corresponding are vertically fixed on one end of multiple anticreep plate (4-3-1), Duo Gefang
De-plate (4-3-1) is separately fixed on the medial surface circumference of overflow well bezel ring, table mount (4-2-1), and multiple breach (4-4) are one by one
Being correspondingly arranged between adjacent two anticreep plates (4-3-1), the width of each breach (4-4) is equal to the width of L shaped plate (3-3-1).
6. a kind of fall arrest overflow wellhead assembly as claimed in claim 5, it is characterised in that at the bottom of described overflow well lid pedestal
Dish (4-1) and the two one-body molded or welding of overflow well lid base ring platform (4-2).
7. a kind of fall arrest overflow wellhead assembly as claimed in claim 5, it is characterised in that described L shaped plate (3-3-1) is erected
The height of straight section is less than the height of ferrum baffle plate (4-3-2), the upper surface of L shaped plate (3-3-1) horizontal segment and anticreep plate (4-3-1)
The spacing excursion of lower surface is 0～50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822832.6U CN205839809U (en) | 2016-08-01 | 2016-08-01 | A kind of fall arrest overflow wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822832.6U CN205839809U (en) | 2016-08-01 | 2016-08-01 | A kind of fall arrest overflow wellhead assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205839809U true CN205839809U (en) | 2016-12-28 |
Family
ID=57616789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822832.6U Expired - Fee Related CN205839809U (en) | 2016-08-01 | 2016-08-01 | A kind of fall arrest overflow wellhead assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205839809U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759509A (en) * | 2016-12-29 | 2017-05-31 | 广东工业大学 | A kind of anti-displacement well lid |
| CN111692335A (en) * | 2020-06-19 | 2020-09-22 | 康佩思节能技术（上海）有限公司 | A release filler cap and oil gas bucket for air compressor oil gas bucket |
| CN112681383A (en) * | 2021-01-22 | 2021-04-20 | 赵俞琳 | Sewer inspection shaft structure for road |
-
2016
- 2016-08-01 CN CN201620822832.6U patent/CN205839809U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759509A (en) * | 2016-12-29 | 2017-05-31 | 广东工业大学 | A kind of anti-displacement well lid |
| CN111692335A (en) * | 2020-06-19 | 2020-09-22 | 康佩思节能技术（上海）有限公司 | A release filler cap and oil gas bucket for air compressor oil gas bucket |
| CN112681383A (en) * | 2021-01-22 | 2021-04-20 | 赵俞琳 | Sewer inspection shaft structure for road |
| CN112681383B (en) * | 2021-01-22 | 2022-04-29 | 南京凯盛国际工程有限公司 | Sewer inspection shaft structure for road |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190801 |