Nodular cast iron integrated drainage inspection well
A nodular cast iron, one-piece technology, applied in the direction of drainage structures, waterway systems, water supply devices, etc., can solve problems such as poor sealing, leakage at the connection between inspection wells and buried pipelines, and achieve a tight fit effect
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Embodiment 1
[0039] Embodiment 1: A kind of nodular cast iron integrated drainage inspection well, such as figure 1 As shown, it includes a well chamber 2, a well shaft 3 installed on the top of the well chamber 2 and vertically arranged, a well base 31 installed on the top of the well shaft 3, a well cover 32 installed on the well base 31, and a shaft installed on the outside of the well chamber 2 and used A connection mechanism 4 is provided between a plurality of connection pipes 33 respectively connected to the buried pipeline 1 ; the connection pipes 33 and the buried pipeline 1 .
[0040] Such as figure 1 As shown, the bottom of the well cover 32 is provided with an elastic buffer pad 34 on the well seat 31. When the well cover 32 is subjected to a large gravity, the pressure of the well cover 32 on the well seat 31 can be reduced by the buffer pad 34, thereby reducing the pressure of the well seat. 31 to the pressure of the wellbore 3, which can effectively reduce the possibility of ...
Embodiment 2
[0045] Embodiment 2: A kind of nodular cast iron integrated drainage inspection well, such as Figure 5 with Image 6 As shown, the main difference from Embodiment 1 is that one end of the first sealing ring 42 is uniformly distributed with a plurality of cylindrical clamping blocks 422 along its circumferential direction, and one end of the second sealing ring 44 is provided with a plurality of cylindrical clamping blocks along its circumferential direction. Slot 442, a plurality of cylindrical clamping blocks 422 are engaged with multiple cylindrical clamping slots 442 in one-to-one correspondence; each cylindrical clamping block 422 and each cylindrical clamping slot 442 are provided with a columnar magnet 5 , the magnet 5 on the cylindrical clamping block 422 and the magnet 5 on the cylindrical clamping groove 442 can attract each other. By setting a plurality of cylindrical blocks 422 and a plurality of cylindrical slots 442, on the one hand, the contact area between the...
Embodiment 3
[0048] Embodiment three: a kind of nodular cast iron integrated drainage inspection well, such as Figure 8 As shown, the main difference from the second embodiment is that one end of the first sealing ring 42 is provided with a plurality of sawtooth blocks 423 along its radial direction, and one end of the second sealing ring 44 is provided with a plurality of sawtooth along its circumferential direction. The multiple zigzag clamping blocks 423 are engaged with the multiple zigzag clamping slots 443 in one-to-one correspondence. In this way, on the one hand, the contact area between the first sealing ring 42 and the second sealing ring 44 can be increased; The connection of ground pipe 1 is leaking.
[0049] Compared with the second embodiment, the advantage is that the plurality of zigzag blocks 423 can block water layer by layer, which can effectively prevent water from leaking from the connection between the connecting pipe 33 and the buried pipeline 1 .
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