WO2020047784A1 - 一种多功能井盖 - Google Patents

一种多功能井盖 Download PDF

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Publication number
WO2020047784A1
WO2020047784A1 PCT/CN2018/104227 CN2018104227W WO2020047784A1 WO 2020047784 A1 WO2020047784 A1 WO 2020047784A1 CN 2018104227 W CN2018104227 W CN 2018104227W WO 2020047784 A1 WO2020047784 A1 WO 2020047784A1
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WO
WIPO (PCT)
Prior art keywords
cover
manhole cover
opening
hole
well
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Application number
PCT/CN2018/104227
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English (en)
French (fr)
Inventor
马明博
臧飞贵
Original Assignee
衡水优捷特石油设备科技有限公司
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Application filed by 衡水优捷特石油设备科技有限公司 filed Critical 衡水优捷特石油设备科技有限公司
Priority to PCT/CN2018/104227 priority Critical patent/WO2020047784A1/zh
Publication of WO2020047784A1 publication Critical patent/WO2020047784A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/10—Manholes; Inspection openings; Covers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G5/00—Storing fluids in natural or artificial cavities or chambers in the earth

Definitions

  • the invention relates to the technical field of infrastructure of oil tank wells, and in particular relates to a multifunctional well cover.
  • the wellhead of the oil tank well at the gas station is usually provided with a load-bearing well cover to prevent people or objects from falling into the oil tank well and causing accidents.
  • the existing manhole cover is inconvenient to open and close, the operation is complicated, and the labor intensity is large. Due to the temperature difference between day and night or the expansion of oil and gas, the gas pressure inside and outside the oil tank well of the gas station is easily unbalanced. When the well is under negative pressure, it is extremely difficult to open the manhole cover; when the well is under positive pressure, it will cause a fire or even an explosion.
  • the existing manhole cover has poor sealing and waterproofness, leading to serious loss of oil and gas evaporation and waste of resources.
  • the purpose of the present invention is to provide a multifunctional manhole cover, which is used to solve the problems of inconvenient opening and closing of the existing manhole cover, complicated use, inability to balance the air pressure inside and outside the well, poor water resistance and poor sealing.
  • the present invention provides a multifunctional well cover.
  • the well cover includes a well seat, a well cover body, a first seal ring, a first embedded part, and an independent cover.
  • the well body is embedded in the well seat.
  • the first seal ring is disposed between the inner wall of the well base and the outer wall of the well cover body, the inner ring of the first seal ring is provided with a convex portion, and the outer wall of the well cover body
  • a groove is provided, and the convex part is embedded in the groove; a first opening hole and an independent opening hole are provided through the thickness of the well cover body, and the first embedded part is provided on the first Inside the opening hole, the independent opening cover is arranged in the independent opening hole;
  • the first embedded part includes an embedded part body, a bottom cover, a base, a waterproof and breathable membrane, a gland, and an opening cover.
  • the embedded part body is a hollow structure, and the bottom cover is fixed to the embedded part.
  • the inner bottom of the body is provided with a threaded hole in the center of the bottom cover.
  • the base includes a coaxial connection portion and an extension portion.
  • An external thread is provided on the outer wall of the connection portion, so that the connection portion is screwed to the thread. Inside the hole, the connecting portion extends upward and the diameter increases to form an extension portion.
  • a cylindrical counterbore is recessed at the top of the extension portion, and an airflow passage hole is provided in the connection portion along its axial direction.
  • the hole is in communication with the cylindrical counterbore, and the diameter of the cylindrical counterbore is larger than that of the airflow through hole.
  • the waterproof and breathable membrane is embedded in the cylindrical counterbore, and the gland is fixed in the hole.
  • the pressing cover On the top of the base, the pressing cover is provided with a downwardly protruding crimping portion, and the crimping portion extends downwardly into the cylindrical counterbore and is crimped on the top edge of the waterproof and breathable membrane.
  • the side wall of the cover is provided with a ventilation hole, and the opening opening cover is provided in the embedded body
  • an opening is provided on the opening cover through its thickness direction;
  • a ring-shaped sinker is provided on the top of the center of the bottom cover;
  • a gasket is provided in the sinker, and the extension is pressed. Connected to the top of the gasket.
  • the independent cover opening hole is disposed at the center of the manhole cover body.
  • the well cover further includes a second embedded member, a second opening hole is provided through the thickness of the independent opening cover, and the second embedded member is disposed in the second opening hole.
  • the well cover further includes a second seal ring, and the second seal ring is crimped between an inner wall of the well cover body and an outer wall of the independent opening cover.
  • the well base includes a support portion and a construction reference portion
  • the support portion is provided on an inner ring of the construction reference portion
  • concave teeth are provided along a circumferential direction of a top portion of the support portion
  • the well cover body A convex tooth is disposed at a portion of the bottom portion of the convex tooth that is in contact with the supporting portion, and the size and number of the convex tooth and the concave tooth match.
  • the multifunctional manhole cover further includes a plurality of hand lifting holes, the hand lifting holes are disposed below a side wall of the outer circle of the construction reference portion, and a plurality of the hand lifting holes are spaced apart along a circumferential direction of the construction reference portion. .
  • the multifunctional manhole cover further comprises a water storage tank, a plurality of drainage holes and a drainage pipe, the water storage tank is provided at a connection between the support portion and the construction reference portion, and the drainage hole is provided in the water storage tank At the bottom, several drainage holes are arranged at intervals along the circumferential direction of the construction reference portion, the number of the drainage pipes is the same as the number of the drainage holes, and the drainage pipes are inserted in the drainage holes.
  • the multifunctional manhole cover further includes a reinforcing rib, and the reinforcing rib is disposed on a bottom surface of the manhole cover body in a radial direction of the manhole cover body.
  • the multifunctional manhole cover further includes a non-slip pattern, and the non-slip pattern is disposed on a top surface of the manhole cover body.
  • the material of the waterproof and breathable membrane is polytetrafluoroethylene.
  • the multifunctional well cover provided by the present invention includes a well seat, a well cover body, a first sealing ring, a first embedded part, and an independently opened cover.
  • the well cover body is embedded in the well seat.
  • the well seat presses the first seal ring on the side wall of the well cover body.
  • the inner ring of the first seal ring is provided with a convex portion, and a groove is provided on the side wall of the well cover body.
  • the part is embedded in the groove, which strengthens the stability of the seal ring and achieves the complete sealing effect of the well cover.
  • the first embedded part includes an embedded part body, a bottom cover, a base, a waterproof and breathable membrane, a gland, and an opening cover. Because the embedded part body is a hollow structure, airflow through holes and cylindrical counterbores are provided on the base. A vent hole is provided on the side wall of the gland, and an opening is provided in the opening cover, so that the air inside and outside the well can be circulated and the air pressure inside and outside the well is balanced.
  • the waterproof and breathable membrane is embedded in the cylindrical counterbore and fixed by the gland, which effectively prevents water from penetrating and has a good waterproof effect.
  • An opening is set at the opening cover to facilitate the opening and closing of the well cover.
  • the independent cover is provided in the thickness direction of the well cover throughout its thickness. When the gas station measures oil, it is not necessary to open the cover. Only the independent cover can be opened, which is simple and convenient to use and can greatly reduce the labor intensity of employees.
  • the invention also has the advantages of being able to effectively prevent the relative movement of the well base and the well cover and thereby extend the service life of the well cover, convenient construction, easy lifting and unloading, smooth drainage, strong load-bearing capacity, light weight, strong anti-slip performance and the like.
  • FIG. 1 is a longitudinal sectional view of a multifunctional well cover provided in Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of a multifunctional manhole cover provided in Embodiment 1 of the present invention.
  • FIG. 3 is a partially enlarged view at the position “I” in FIG. 1.
  • FIG. 4 is a schematic structural diagram of a first embedded part of a multifunctional well cover provided in Embodiment 1 of the present invention.
  • FIG. 5 is a longitudinal cross-sectional view of a first embedded part of a multifunctional well cover provided in Embodiment 1 of the present invention.
  • FIG. 6 is a schematic structural diagram of a well seat of a multifunctional well cover provided in Embodiment 2 of the present invention.
  • FIG. 7 is a schematic structural diagram of a manhole cover body of a multifunctional manhole cover provided in Embodiment 2 of the present invention.
  • FIG. 8 is a schematic structural diagram of a multifunctional well cover provided in Embodiment 3 of the present invention.
  • the multifunctional well cover provided in this embodiment includes a well seat 1, a well cover body 2, an independent cover 3, a first sealing ring 4, a second sealing ring 5, a first embedded member 6, Second embedded parts 7.
  • the manhole cover body 2 is embedded in the manhole base 1.
  • the well base 1 crimps the first sealing ring 4 to the side wall of the manhole cover body 2.
  • a first opening hole 21 is provided through the thickness of the deflection part of the manhole cover body 2.
  • the first embedded part 6 is provided in the first opening hole, and an independent opening hole 22 is provided in the center of the well cover body 2 through its thickness.
  • the independent opening cover 3 is provided in the independent opening hole, and the well cover body 2 seals the second
  • the ring 5 is crimped on the side wall of the independent opening cover 3.
  • a second opening hole 31 is provided in the independent opening cover 3 through its thickness, and the second embedded part 7 is disposed in the second opening hole 31.
  • the first seal ring 4 is an E-shaped seal ring, that is, a first convex portion 41, a second convex portion 42, and a third convex portion 43 are sequentially provided on the inner ring of the first seal ring 4 from top to bottom.
  • Grooves (not shown) corresponding to the first convex portion 41, the second convex portion 42, and the third convex portion 43 are provided on the side walls of the manhole cover body 2, respectively.
  • the first convex portion 41, the second convex portion 42, and the first convex portion 41 The three convex portions 43 are respectively embedded in corresponding grooves.
  • the second sealing ring 5 has the same structure as the first sealing ring 4, and a recessed groove (not shown) is provided on a side wall of the independent opening cover 3 for limiting and fixing the second sealing ring 5.
  • the first embedded part 6 includes an embedded part body 61, a bottom cover 62, a base 63, a waterproof and breathable membrane 64, a pressing cover 65, and an opening cover 66.
  • the embedded body 61 is a hollow structure.
  • the bottom cover 62 is fixed to the inner bottom of the embedded body 61.
  • a threaded hole 621 is provided in the center of the bottom cover 62, and a ring-shaped sinker is provided on the top surface of the bottom cover center (not shown). (Shown), a gasket 67 is provided in the sunken portion.
  • the base 63 includes a connection portion 631 and an extension portion 632 which are coaxially provided.
  • the connection portion 631 is provided with an external thread so that the connection portion 631 is screwed into the threaded hole 621.
  • the connection portion 631 extends upward and the diameter increases to form an extension portion 632.
  • the portion 632 is crimped on the top of the gasket 67, and a cylindrical counterbore 6321 is recessed on the top of the extension portion 632.
  • An airflow through hole 6311 is provided along the axial direction of the connecting portion 631, and the airflow through hole 6311 and the cylindrical counterbore 6321 are provided.
  • the diameter of the cylindrical counterbore 6321 is larger than that of the airflow through-hole 6311.
  • the waterproof and breathable membrane 64 is embedded in the cylindrical counterbore 6321, and the gland 65 is fixed on the top of the base 63.
  • the gland 65 is provided with a crimping portion 651 protruding downward, and the crimping portion 651 extends downward into the cylindrical counterbore.
  • the opening opening cover 66 is provided on the inner top of the embedded body 61, and the opening opening cover 66 is provided with an opening 661 penetrating through the thickness direction thereof.
  • the structure of the second embedded part 7 is the same as that of the first embedded part 6.
  • the multifunctional well cover provided in this embodiment includes a first seal ring 4 and a second seal ring 5.
  • the first seal ring 4 is disposed between the inner wall of the well base 1 and the outer wall of the well cover body 2. It is connected between the inner wall of the manhole cover body 2 and the outer wall of the independent cover 3 so as to achieve a complete sealing effect of the manhole cover.
  • the first embedded part 6 and the second embedded part 7 are provided, so that the air inside and outside the well can circulate, and the air pressure inside and outside the well is balanced.
  • the waterproof and breathable membrane 64 effectively prevents the penetration of water.
  • the waterproof and breathable membrane 64 is made of polytetrafluoroethylene, which has a good waterproof effect.
  • An opening 661 is provided in the opening cover 66 to facilitate opening and closing of the well cover.
  • the well base 1 provided in this embodiment includes a support portion 11 and a construction reference portion 12.
  • the support portion 11 is provided in the construction reference portion 12.
  • concave teeth 111 are provided on the top of the support portion 11 in the circumferential direction
  • convex teeth 23 are provided on the bottom of the manhole cover 2 and in contact with the support portion 11.
  • hand-lifting holes 121 are arranged below the side wall of the outer circle of the construction reference portion 12 along the circumferential direction. Its function is to facilitate filling the bottom of the well base 1 with concrete to strengthen the manhole cover; secondly, it is convenient for the construction personnel to lift and unload.
  • the multifunctional well cover further includes a water storage tank 123, a plurality of drainage holes 124, and a drainage pipe 8.
  • the water storage tank 123 is provided at the connection portion between the support portion 11 and the construction reference portion 12, and the drainage hole 124 is provided at At the bottom of the water tank 13, a plurality of drainage holes 123 are arranged at intervals along the circumferential direction of the construction reference portion 12, and the number of drainage pipes 8 and 124 are the same.
  • five drainage holes 124 are provided, and the drainage pipes 8 are inserted into the drainage holes 124. In order to facilitate the smooth seepage of water.
  • This embodiment is another preferred embodiment of Embodiment 1.
  • the manhole cover 2 provided in this embodiment is further provided with a plurality of reinforcing ribs 24.
  • the reinforcing ribs 24 are along the radial direction of the manhole cover 2. Located on the bottom surface of the manhole cover 2, the reinforcing rib 24 improves the load-bearing capacity of the manhole cover 2 and can reduce the self-weight of the manhole cover 2.
  • a non-slip pattern 25 is provided on the top surface of the manhole cover body 2 to prevent vehicles or pedestrians from slipping when passing through the manhole cover.
  • This embodiment is another preferred embodiment of the present invention. As shown in FIG. 9, this embodiment is different from the foregoing embodiments in that the well seat and the well cover in this embodiment form a whole, that is, a non-removable type. .
  • the multifunctional manhole cover in this embodiment is not provided with a hand-lifting hole.
  • the other settings are the same as those in the above embodiment, and will not be repeated here. After the well base and the manhole cover form a whole, it is level with the ground, so that the vehicle can smoothly pass through the multifunctional manhole cover.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

一种多功能井盖，包括井座(1)、井盖体(2)、第一密封圈(4)、第一预埋件(6)、独立启盖(3)。第一密封圈(4)的内圈设置有凸部，在井盖体(2)的侧壁设置凹槽，凸部嵌置于凹槽内。通过设置第一预埋件(6)，使井体内外空气流通，保证了井内外气压均衡。设置在第一预埋件本体(61)内部的防水透气膜(64)有效防止了水的渗透。在第一预埋件(6)的开启口盖(66)设置开启口(661)，便于井盖的启闭。当加油站量油时，不必打开井盖子，只打开独立启盖即可。

Description

一种多功能井盖 技术领域
本发明涉及油罐井的基础设施技术领域，具体涉及一种多功能井盖。
背景技术
在加油站油罐井的井口通常设置有承重井盖，以防止人或者物体坠油罐井，发生意外事故。但是，现有的井盖启闭不便，操作复杂，劳动强度大。由于昼夜出现的温差或油气膨胀，加油站油罐井内外气压容易失衡，当井内为负压时，井盖开启极为困难；当井内为正压时，会导致着火甚至发生爆炸事故。而且，现有的井盖密封性和防水性差，导致油气蒸发损耗严重，造成资源浪费。
发明内容
本发明的目的在于提供一种多功能井盖，用以解决现有井盖启闭不便、使用复杂、无法平衡井内外气压、防水性和密封性差的问题。
为实现上述目的，本发明提供一种多功能井盖，所述井盖包括井座、井盖体、第一密封圈、第一预埋件、独立启盖，所述井盖体内嵌在所述井座内；所述第一密封圈设置在所述井座的内侧壁与所述井盖体的外侧壁之间，所述第一密封圈的内圈设置有凸部，在所述井盖体的外侧壁设置凹槽，所述凸部嵌置于所述凹槽内；在所述井盖体上贯穿其厚度设置第一开启孔和独立启盖孔，所述第一预埋件设置在所述第一开启孔内，所述独立启盖设置在所述独立启盖孔内；
所述第一预埋件包括预埋件本体、底盖、底座、防水透气膜、压 盖、开启口盖，所述预埋件本体为中空结构，所述底盖固定在所述预埋件本体的内侧底部，在所述底盖中心设置螺纹孔，所述底座包括同轴设置的连接部和延伸部，在所述连接部外壁设置外螺纹，使所述连接部螺接在所述螺纹孔内，所述连接部向上延伸且直径增大形成延伸部，在所述延伸部的顶部下凹设置柱形沉孔，在所述连接部沿其轴向设置气流通孔，所述气流通孔与所述柱形沉孔连通，所述柱形沉孔的孔径大于所述气流通孔的孔径，所述防水透气膜嵌接在所述柱形沉孔内，所述压盖固定在所述底座顶部，所述压盖设置有向下凸出的压接部，所述压接部向下延伸进入所述柱形沉孔并压接在所述防水透气膜顶部边缘，在所述压盖的侧壁设置透气孔，所述开启口盖设置在所述预埋件本体的内侧顶部，在所述开启口盖上设置贯穿其厚度方向的开启口；在所述底盖中心的顶部设置环状下沉部，在所述下沉部内设置密封垫，所述延伸部压接在所述密封垫的顶部。
优选地，所述独立启盖孔设置在所述井盖体的正中心。
优选地，所述井盖还包括第二预埋件，在所述独立启盖上贯穿其厚度设置第二开启孔，所述第二预埋件设置在所述第二开启孔内。
优选地，所述井盖还包括第二密封圈，所述第二密封圈压接在所述井盖体的内侧壁和所述独立启盖的外侧壁之间。
优选地，所述井座包括支撑部和施工基准部，所述支撑部设置在所述施工基准部的内圈，在所述支撑部的顶部沿其周向设置凹齿，在所述井盖体的底部且与所述支撑部接触的部位设置凸齿，所述凸齿与所述凹齿的尺寸及数量相匹配。
优选地，所述多功能井盖还包括若干手抬孔，所述手抬孔设置在所述施工基准部外圈的侧壁下方，若干所述手抬孔沿所述施工基准部圆周方向间隔设置。
优选地，所述多功能井盖还包括积水槽、若干排水孔和排水管，所述积水槽设置在所述支撑部和所述施工基准部的连接处，所述排水孔设置在所述积水槽的底部，若干所述排水孔沿所述施工基准部的圆周方向 间隔设置，所述排水管与所述排水孔数量相同，所述排水管插接在所述排水孔中。
优选地，所述多功能井盖还包括加强筋，所述加强筋沿所述井盖体的径向方向设置在所述井盖体的底面。
优选地，所述多功能井盖还包括防滑花纹，所述防滑花纹设置在所述井盖体的顶面上。
优选地，所述防水透气膜的材质为聚四氟乙烯。
本发明具有如下优点：本发明提供的多功能井盖包括井座、井盖体、第一密封圈、第一预埋件、独立启盖。井盖体内嵌在井座内，井座将第一密封圈压接在所述井盖体的侧壁，第一密封圈的内圈设置有凸部，在井盖体的侧壁设置凹槽，凸部嵌置于凹槽内，加强了密封圈的稳固性进而实现了井盖的完全密封效果。
第一预埋件包括预埋件本体、底盖、底座、防水透气膜、压盖、开启口盖，由于预埋件本体为中空结构，且在底座上设置有气流通孔和柱形沉孔，在压盖侧壁设置有透气孔，在开启口盖设置有开启口，使得井体内外空气流通，保证了井内外气压均衡。
防水透气膜嵌接在柱形沉孔内且通过压盖固定，有效防止了水的渗透，防水效果良好。
在开启口盖设置开启口，便于井盖的启闭。
通过在井盖贯穿其厚度方向上设置独立启盖，当加油站量油时，不必打开井盖，只打开独立启盖即可，使用简单方便而且可大大减少员工的劳动强度。
另外，本发明还具有能有效防止井座与井盖相对窜动进而延长井盖的使用寿命、施工方便、抬卸轻松、排水顺利、承重能力强、体重轻、防滑性能强等优点。
附图说明
图1为本发明实施例1提供的多功能井盖的纵向剖视图。
图2为本发明实施例1提供的多功能井盖的横向剖视图。
图3为图1中“Ⅰ”位置处的局部放大图。
图4为本发明实施例1提供的多功能井盖的第一预埋件的结构示意图。
图5为本发明实施例1提供的多功能井盖的第一预埋件的纵向剖视图。
图6为本发明实施例2提供的多功能井盖的井座的结构示意图。
图7为本发明实施例2提供的多功能井盖的井盖体的结构示意图。
图8为本发明实施例3提供的多功能井盖的结构示意图。
其中，1-井座、11-支撑部、111-凹齿、12-施工基准部、121-手抬孔、123-积水槽、124-排水孔、2-井盖体、21-第一开启孔、22-独立启盖孔、23-凸齿、24-加强筋、25-防滑花纹、3-独立启盖、31-第二开启孔、4-第一密封圈、41-第一凸部、42-第二凸部、43-第三凸部、5-第二密封圈、6-第一预埋件、61-预埋件本体、62-底盖、621-螺纹孔、63-底座、631-连接部、6311-气流通孔、632-延伸部、6321-柱形沉孔、64-防水透气膜、65-压盖、651-压接部、652-透气孔、66-开启口盖、661-开启口、67-密封垫、7-第二预埋件、8-排水管。
具体实施方式
以下实施例用于说明本发明，但不用来限制本发明的范围。
实施例1
如图1、图2所示，本实施例提供的多功能井盖包括井座1、井盖体2、独立启盖3、第一密封圈4、第二密封圈5、第一预埋件6、第二预埋件7。其中，井盖体2内嵌在井座1内，井座1将第一密封圈4压接在井盖体2的侧壁，在井盖体2的偏部贯穿其厚度设置第一开启孔21，将第一预埋件6设置在第一开启孔内，在井盖体2的中心贯穿其厚度设置独 立启盖孔22，将独立启盖3设置在独立启盖孔内，井盖体2将第二密封圈5压接在独立启盖3的侧壁。在独立启盖3上贯穿其厚度设置第二开启孔31，将第二预埋件7设置在第二开启孔31内。
参见图3，第一密封圈4为E型密封圈，即在第一密封圈4的内圈由上至下依次设置有第一凸部41、第二凸部42、第三凸部43，在井盖体2的侧壁分别设置与第一凸部41、第二凸部42、第三凸部43对应的凹槽(未图示)，第一凸部41、第二凸部42、第三凸部43分别嵌置于对应的凹槽内。
第二密封圈5与第一密封圈4结构相同，且在独立启盖3的侧壁设置有凹接槽(未图示)，用于限位固定第二密封圈5。
参见图4、图5，第一预埋件6包括预埋件本体61、底盖62、底座63、防水透气膜64、压盖65、开启口盖66。
预埋件本体61为中空结构，底盖62固定在预埋件本体61的内侧底部，在底盖62中心设置螺纹孔621，在底盖中心的顶面上设置环状下沉部(未图示)，在下沉部内设置密封垫67。底座63包括同轴设置的连接部631和延伸部632，连接部631设置有外螺纹，使连接部631螺接在螺纹孔621内，连接部631向上延伸且直径增大形成延伸部632，延伸部632压接在密封垫67的顶部，在延伸部632的顶部下凹设置柱形沉孔6321，在连接部631沿其轴向设置气流通孔6311，气流通孔6311与柱形沉孔6321连通，柱形沉孔6321的孔径大于气流通孔6311的孔径。防水透气膜64嵌接在柱形沉孔6321内，压盖65固定在底座63顶部，压盖65设置有向下凸出的压接部651，压接部651向下延伸进入柱形沉孔6321并压接在防水透气膜64顶部边缘，在压盖65的侧壁设置有透气孔652。开启口盖66设置在预埋件本体61的内侧顶部，在开启口盖66上设置贯穿其厚度方向的开启口661。
第二预埋件7的结构与第一预埋件6结构相同。
本实施例提供的多功能井盖包括第一密封圈4和第二密封圈5，第一密封圈4设置在井座1的内侧壁与井盖体2的外侧壁之间，第二密封圈5 压接在井盖体2的内侧壁和独立启盖3的外侧壁之间从而实现了井盖的完全密封效果。通过设置第一预埋件6和第二预埋件7，使得井体内外空气可以流通，保证了井内外的气压均衡。防水透气膜64有效防止了水的渗透，防水透气膜64采用聚四氟乙烯材质，防水效果良好。在开启口盖66设置开启口661，便于井盖的启闭。当加油站量油时，不必打开井盖，只打开独立启盖3即可，使用简单方便而且可大大减少工人的劳动强度。
实施例2
本实施例为实施例1的一个优选实施例，如图6、图7所示，本实施例提供的井座1包括支撑部11和施工基准部12，支撑部11设置在施工基准部12的内圈，在支撑部11的顶部沿其周向设置凹齿111，在井盖体2的底部且与支撑部11接触的部位设置凸齿23，凸齿23与凹齿111的尺寸及数量相匹配，减少了因井盖体转动引起第一密封圈和井座、井盖体之间摩擦，增强了井盖的密封性能，延长了井盖的使用寿命。
在施工基准部12外圈的侧壁下方沿其圆周方向间隔设置有若干手抬孔121，其作用一是便于往井座1底部填充混凝土，以加固井盖；二是方便施工人员抬卸。
在本实施例中，多功能井盖还包括积水槽123、若干排水孔124和排水管8，参见图3，积水槽123设置在支撑部11和施工基准部12的连接处，排水孔124设置在积水槽13的底部，若干排水孔123沿施工基准部12的圆周方向间隔设置，排水管8与排水孔124数量相同，通常排水孔124设置5个，排水管8插接在排水孔124中，以便于微渗水顺利排走。
实施例3
本实施例为实施例1的另一个优选实施例，如图7、图8所示，本实施例提供的井盖体2还设置有若干加强筋24，加强筋24沿井盖体2的径向方向设置在井盖体2的底面，加强筋24提高了井盖体2的承重能力同时可减少井盖体2的自重。
在井盖体2的顶面上设置防滑花纹25，防止车辆或行人经过井盖时打滑。
实施例4
本实施例作为本发明的另一个优选实施例，如图9所示，本实施例与上述几个实施例不同的是，本实施例中的井座和井盖共同构成一个整体，即不可拆卸式。并且，本实施例中的多功能井盖上没有设置手抬孔。而其他设置均与上述实施例相同，这里不做过多赘述。井座和井盖构成一个整体后，与地面持平，从而可以保证车辆能够平稳经过多功能井盖。
虽然，上文中已经用一般性说明及具体实施例对本发明作了详尽的描述，但在本发明基础上，可以对之作一些修改或改进，这对本领域技术人员而言是显而易见的。因此，在不偏离本发明精神的基础上所做的这些修改或改进，均属于本发明要求保护的范围。

Claims (10)

  1. 一种多功能井盖，其特征在于，所述井盖包括井座、井盖体、第一密封圈、第一预埋件、独立启盖，所述井盖体内嵌在所述井座内；所述第一密封圈设置在所述井座的内侧壁与所述井盖体的外侧壁之间，所述第一密封圈的内圈设置有凸部，在所述井盖体的外侧壁设置凹槽，所述凸部嵌置于所述凹槽内；在所述井盖体上贯穿其厚度设置第一开启孔和独立启盖孔，所述第一预埋件设置在所述第一开启孔内，所述独立启盖设置在所述独立启盖孔内；
    所述第一预埋件包括预埋件本体、底盖、底座、防水透气膜、压盖、开启口盖，所述预埋件本体为中空结构，所述底盖固定在所述预埋件本体的内侧底部，在所述底盖中心设置螺纹孔，所述底座包括同轴设置的连接部和延伸部，在所述连接部外壁设置外螺纹，使所述连接部螺接在所述螺纹孔内，所述连接部向上延伸且直径增大形成延伸部，在所述延伸部的顶部下凹设置柱形沉孔，在所述连接部沿其轴向设置气流通孔，所述气流通孔与所述柱形沉孔连通，所述柱形沉孔的孔径大于所述气流通孔的孔径，所述防水透气膜嵌接在所述柱形沉孔内，所述压盖固定在所述底座顶部，所述压盖设置有向下凸出的压接部，所述压接部向下延伸进入所述柱形沉孔并压接在所述防水透气膜顶部边缘，在所述压盖的侧壁设置透气孔，所述开启口盖设置在所述预埋件本体的内侧顶部，在所述开启口盖上设置贯穿其厚度方向的开启口；在所述底盖中心的顶部设置环状下沉部，在所述下沉部内设置密封垫，所述延伸部压接在所述密封垫的顶部。
  2. 根据权利要求1所述的多功能井盖，其特征在于，所述独立启盖孔设置在所述井盖体的正中心。
  3. 根据权利要求1所述的多功能井盖，其特征在于，所述井盖还包括第二预埋件，在所述独立启盖上贯穿其厚度设置第二开启孔，所述第二预埋件设置在所述第二开启孔内。
  4. 根据权利要求1所述的多功能井盖，其特征在于，所述井盖还包括第二密封圈，所述第二密封圈压接在所述井盖体的内侧壁和所述独立启盖的外侧壁之间。
  5. 根据权利要求1所述的多功能井盖，其特征在于，所述井座包括支撑部和施工基准部，所述支撑部设置在所述施工基准部的内圈，在所述支撑部的顶部沿其周向设置凹齿，在所述井盖体的底部且与所述支撑部接触的部位设置凸齿，所述凸齿与所述凹齿的尺寸及数量相匹配。
  6. 根据权利要求5所述的多功能井盖，其特征在于，所述多功能井盖还包括若干手抬孔，所述手抬孔设置在所述施工基准部外圈的侧壁下方，若干所述手抬孔沿所述施工基准部圆周方向间隔设置。
  7. 根据权利要求5所述的多功能井盖，其特征在于，所述多功能井盖还包括积水槽、若干排水孔和排水管，所述积水槽设置在所述支撑部和所述施工基准部的连接处，所述排水孔设置在所述积水槽的底部，若干所述排水孔沿所述施工基准部的圆周方向间隔设置，所述排水管与所述排水孔数量相同，所述排水管插接在所述排水孔中。
  8. 根据权利要求1所述的多功能井盖，其特征在于，所述多功能井盖还包括加强筋，所述加强筋沿所述井盖体的径向方向设置在所述井盖体的底面。
  9. 根据权利要求1所述的多功能井盖，其特征在于，所述多功能井盖还包括防滑花纹，所述防滑花纹设置在所述井盖体的顶面上。
  10. 根据权利要求1所述的多功能井盖，其特征在于，所述防水透气膜的材质为聚四氟乙烯。
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