CN209874001U - Civil air defense engineering drainage device - Google Patents

Civil air defense engineering drainage device Download PDF

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Publication number
CN209874001U
CN209874001U CN201920205533.1U CN201920205533U CN209874001U CN 209874001 U CN209874001 U CN 209874001U CN 201920205533 U CN201920205533 U CN 201920205533U CN 209874001 U CN209874001 U CN 209874001U
Authority
CN
China
Prior art keywords
sealing
flange
pipe
metal pipe
steel
Prior art date
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.)
Expired - Fee Related
Application number
CN201920205533.1U
Other languages
Chinese (zh)
Inventor
闫鹏举
潘振宇
杨敬伟
韩文茂
刘爽
范长君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tian'an Civil Air Defense Equipment (tianjin) Co Ltd
Original Assignee
Tian'an Civil Air Defense Equipment (tianjin) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tian'an Civil Air Defense Equipment (tianjin) Co Ltd filed Critical Tian'an Civil Air Defense Equipment (tianjin) Co Ltd
Priority to CN201920205533.1U priority Critical patent/CN209874001U/en
Application granted granted Critical
Publication of CN209874001U publication Critical patent/CN209874001U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a civil air defense engineering drainage device, which comprises a steel sleeve, a sealing top plate, a metal pipe, a plastic drainage pipe flange joint, a first sealing ring, a second sealing ring and a steel ring; the steel casing is pre-embedded in a hole of the civil air defense roof, the metal pipe is installed in the steel casing in a penetrating mode, an expanding section is arranged at the top of the metal pipe, a circle of flange is arranged at the top end of the expanding section, and the steel ring is welded on the inner wall of the bottom of the expanding section; the flange joint of the plastic drain pipe is bonded on the outer wall of the bottom end opening of the plastic drain pipe, the flange of the flange joint of the plastic drain pipe is connected with the flange of the top end of the diameter expanding section of the metal pipe through a bolt, and a second sealing ring is arranged between the flange joint of the plastic drain pipe and the flange of the top end of the diameter expanding section of the metal pipe; the first sealing ring is arranged between the steel ring and the bottom end of the plastic drain pipe, and after the flange of the flange joint of the plastic drain pipe is connected with the flange at the top end of the diameter expanding section of the metal pipe, the bottom end of the plastic drain pipe is sealed with the first sealing ring and the steel ring.

Description

Civil air defense engineering drainage device
Technical Field
The utility model belongs to the technical field of civil air defense engineering, concretely relates to civil air defense engineering drainage device.
Background
In general, the drainage pipeline is a PVC plastic pipe and cannot penetrate through the civil air defense roof, because the pipeline penetrating through the civil air defense roof is required to be a sealed sleeve, the pipeline penetrating through the sealed sleeve is required to be a steel pipe for sealing treatment, and no matched interface exists between the plastic drainage pipeline and the steel pipe, a water using room is usually arranged outside the civil air defense area. However, sometimes, due to functional requirements, a water using room must be arranged in the roof area of the civil air defense area, and at this time, if the plastic drain pipe does not directly penetrate through the civil air defense roof, a long pipeline is needed to arrange the pipeline outside the civil air defense area, so that the building cost is increased, and therefore, how to realize the structure that the drain pipe penetrates through the civil air defense roof is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a civil air defense engineering drainage device, the device reasonable in design has good leakproofness and joint strength, has both realized the sealed of civil air defense roof, has realized the stable sealing connection between steel pipe and the plastics drain pipe simultaneously again.
The utility model discloses a realize through following technical scheme:
a civil air defense engineering drainage device comprises a steel sleeve, a sealing top plate, a metal pipe, a plastic drainage pipe flange joint, a first sealing ring, a second sealing ring and a steel ring;
the steel sleeve is embedded in a hole of the civil air defense roof, and flanges are respectively arranged at the top, the middle and the bottom of the steel sleeve; the metal pipe is arranged in the steel sleeve in a penetrating mode, a through hole is formed in the sealing top plate, so that the metal pipe can pass through the through hole, the sealing top plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing top plate is in sealing welding with a top flange of the steel sleeve;
the top of the metal pipe is provided with an expanding section, the top end of the expanding section is provided with a circle of flanges, and the steel ring is welded on the inner wall of the bottom of the expanding section;
the plastic drain pipe flange joint is bonded on the outer wall of the bottom port of the plastic drain pipe, the plastic drain pipe flange joint comprises a sleeve section and a flange, the inner diameter of the sleeve section is matched with the outer diameter of the plastic drain pipe, the outer diameter of the sleeve section is matched with the inner diameter of the diameter expansion section of the metal pipe, the flange of the plastic drain pipe flange joint is connected with the flange at the top end of the diameter expansion section of the metal pipe through a bolt, and a second sealing ring is arranged between the flange of the plastic drain pipe and the flange; the first sealing ring is arranged between the steel ring and the bottom end of the plastic drain pipe, and after the flange of the flange joint of the plastic drain pipe is connected with the flange at the top end of the diameter expanding section of the metal pipe, the bottom end of the plastic drain pipe is sealed with the first sealing ring and the steel ring.
In the technical scheme, the outer diameter of the metal pipe is slightly smaller than the inner diameter of the steel sleeve.
In the technical scheme, the steel ring is fully welded with the inner wall of the bottom of the diameter expanding section, so that the sealing performance is ensured.
In the technical scheme, a circle of plane is formed at the bottom of the diameter expanding section through the steel ring so as to be used for placing the first sealing ring.
In the technical scheme, the inner diameters of the steel ring, the first sealing ring and the plastic drain pipe are equal, so that the inner wall of the whole pipeline is smooth, and the calibers are consistent.
In the above technical scheme, the metal pipe is a steel pipe.
In the above technical scheme, the metal pipe is a cast iron pipe.
In the technical scheme, the bottom surface of the steel sleeve is also provided with a sealing bottom plate, the sealing bottom plate is provided with a through hole so that the metal pipe can pass through the through hole, the sealing bottom plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing bottom plate is in sealing welding with a bottom flange of the steel sleeve.
In the technical scheme, the number of the bolts is 6-8.
In the technical scheme, the number of the bolts is 6-8, and the bolts are circumferentially arranged at equal intervals.
The utility model discloses an advantage and beneficial effect do:
the utility model discloses a civil air defense engineering drainage device has good leakproofness and joint strength, has both realized the sealed of civil air defense roof, has realized the stable sealing connection between steel pipe and the plastics drain pipe simultaneously again.
Drawings
Fig. 1 is the utility model discloses civil air defense engineering drainage device's of embodiment structural schematic.
Wherein:
1: steel casing, 2: seal top plate, 3: metal tube, 4: plastic drain pipe, 5: plastic drain pipe flange joint, 6: first seal ring, 7: second seal ring, 8: steel ring, 9: and sealing the bottom plate.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Example one
Referring to the attached drawings, the civil air defense engineering drainage device comprises a steel sleeve 1, a sealing top plate 2, a metal pipe 3, a plastic drainage pipe 4, a plastic drainage pipe flange joint 5, a first sealing ring 6, a second sealing ring 7 and a steel ring 8.
The steel sleeve 1 is pre-buried in the hole of the civil air defense roof 0, and the top, the middle and the bottom of the steel sleeve are respectively provided with flanges so as to ensure the connection strength of the steel sleeve and the civil air defense roof.
The outer diameter of the metal pipe 3 is slightly smaller than the inner diameter of the steel casing 1, so that the metal pipe 3 is installed in the steel casing 1 in a penetrating mode; the sealing top plate 2 is provided with a through hole so that a metal pipe can pass through the through hole, the sealing top plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing top plate is in sealing welding with a top flange of the steel sleeve.
The top of the metal pipe 3 is provided with an expanding section 3-1, the top end of the expanding section is provided with a circle of flanges 3-2, the steel ring 8 is welded on the inner wall of the bottom of the expanding section 3-1 (during welding, the steel ring is fully welded with the inner wall of the bottom of the expanding section to ensure the sealing performance), and thus, the bottom of the expanding section forms a circle of plane through the steel ring for placing the first sealing ring 6;
the plastic drain pipe flange joint 5 is bonded on the outer wall of the bottom port of the plastic drain pipe, the plastic drain pipe flange joint 5 comprises a sleeve section 5-1 and a flange 5-2, the inner diameter of the sleeve section 5-1 is matched with the outer diameter of the plastic drain pipe, the outer diameter of the sleeve section is matched with the inner diameter of an expanding section 3-1 of the metal pipe, the flange 5-2 of the plastic drain pipe flange joint is connected with the flange 3-2 at the top end of the expanding section of the metal pipe through a bolt, and a second sealing ring 7 is arranged between the flange 5-2 and the expanding section of the metal pipe, so that the; the first sealing ring 6 is arranged between the steel ring 8 and the bottom end of the plastic drain pipe 4, and after the flange of the flange joint of the plastic drain pipe is connected with the flange at the top end of the diameter expanding section of the metal pipe, the bottom end of the plastic drain pipe is sealed with the first sealing ring and the steel ring 8.
Further, the inner diameters of the steel ring, the first sealing ring and the plastic drain pipe are equal, so that the inner wall of the whole pipeline is smooth, and the calibers are consistent.
Example two
On the basis of the first embodiment, further, the metal pipe is a steel pipe or a cast iron pipe.
EXAMPLE III
On the basis of the first embodiment, further, a sealing bottom plate 9 is further arranged on the bottom surface of the steel sleeve 1, a through hole is formed in the sealing bottom plate 9 so that a metal pipe can pass through the through hole, the sealing bottom plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing bottom plate is in sealing welding with a bottom flange of the steel sleeve.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.

Claims (10)

1. The utility model provides a civil air defense engineering drainage device which characterized in that: the plastic drainage pipe flange joint comprises a steel sleeve, a sealing top plate, a metal pipe, a plastic drainage pipe flange joint, a first sealing ring, a second sealing ring and a steel ring;
the steel sleeve is embedded in a hole of the civil air defense roof, and flanges are respectively arranged at the top, the middle and the bottom of the steel sleeve; the metal pipe is arranged in the steel sleeve in a penetrating mode, a through hole is formed in the sealing top plate, so that the metal pipe can pass through the through hole, the sealing top plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing top plate is in sealing welding with a top flange of the steel sleeve;
the top of the metal pipe is provided with an expanding section, the top end of the expanding section is provided with a circle of flanges, and the steel ring is welded on the inner wall of the bottom of the expanding section;
the plastic drain pipe flange joint is bonded on the outer wall of the bottom port of the plastic drain pipe, the plastic drain pipe flange joint comprises a sleeve section and a flange, the inner diameter of the sleeve section is matched with the outer diameter of the plastic drain pipe, the outer diameter of the sleeve section is matched with the inner diameter of the diameter expansion section of the metal pipe, the flange of the plastic drain pipe flange joint is connected with the flange at the top end of the diameter expansion section of the metal pipe through a bolt, and a second sealing ring is arranged between the flange of the plastic drain pipe and the flange; the first sealing ring is arranged between the steel ring and the bottom end of the plastic drain pipe, and after the flange of the flange joint of the plastic drain pipe is connected with the flange at the top end of the diameter expanding section of the metal pipe, the bottom end of the plastic drain pipe is sealed with the first sealing ring and the steel ring.
2. The civil air defense construction drainage apparatus of claim 1, wherein: the outer diameter of the metal pipe is slightly smaller than the inner diameter of the steel casing pipe.
3. The civil air defense construction drainage apparatus of claim 1, wherein: the steel ring is fully welded with the inner wall of the bottom of the diameter expanding section, so that the sealing property is ensured.
4. The civil air defense construction drainage apparatus of claim 1, wherein: and a circle of plane is formed at the bottom of the diameter expanding section through a steel ring for placing the first sealing ring.
5. The civil air defense construction drainage apparatus of claim 1, wherein: the inner diameters of the steel ring, the first sealing ring and the plastic drain pipe are equal, so that the inner wall of the whole pipeline is smooth, and the calibers are consistent.
6. The civil air defense construction drainage apparatus of claim 1, wherein: the metal pipe is a steel pipe.
7. The civil air defense construction drainage apparatus of claim 1, wherein: the metal pipe is a cast iron pipe.
8. The civil air defense construction drainage apparatus of claim 1, wherein: the bottom surface of the steel sleeve is also provided with a sealing bottom plate, the sealing bottom plate is provided with a through hole so that the metal pipe can pass through the through hole, the sealing bottom plate is sleeved on the metal pipe and is in sealing welding with the outer wall of the metal pipe, and the sealing bottom plate is in sealing welding with the bottom flange of the steel sleeve.
9. The civil air defense construction drainage apparatus of claim 1, wherein: the number of bolts is 6-8.
10. The civil air defense construction drainage apparatus of claim 1, wherein: the quantity of bolt is a plurality of, becomes the equidistant arrangement of circumference.
CN201920205533.1U 2019-02-13 2019-02-13 Civil air defense engineering drainage device Expired - Fee Related CN209874001U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920205533.1U CN209874001U (en) 2019-02-13 2019-02-13 Civil air defense engineering drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920205533.1U CN209874001U (en) 2019-02-13 2019-02-13 Civil air defense engineering drainage device

Publications (1)

Publication Number Publication Date
CN209874001U true CN209874001U (en) 2019-12-31

Family

ID=68952704

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920205533.1U Expired - Fee Related CN209874001U (en) 2019-02-13 2019-02-13 Civil air defense engineering drainage device

Country Status (1)

Country Link
CN (1) CN209874001U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114045880A (en) * 2021-12-14 2022-02-15 杭州中宙建工集团有限公司 Basement post-cast strip treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114045880A (en) * 2021-12-14 2022-02-15 杭州中宙建工集团有限公司 Basement post-cast strip treatment process

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191231

CF01 Termination of patent right due to non-payment of annual fee