CN110777912A - Novel assembled inspection shaft - Google Patents

Abstract

The invention discloses a novel assembled inspection well, which has the technical scheme that: the connecting pipe and the peripheral surface of the drain pipe are provided with a sealing assembly for wrapping the connecting part of the connecting pipe and the drain pipe; the sealing assembly comprises a supporting base and a matching seat, wherein a supporting groove for supporting the end parts of the connecting pipe and the drain pipe is arranged on the supporting base, a matching groove for pressing against the end parts of the connecting pipe and the drain pipe is arranged on the matching seat, and the supporting base and the matching seat are mutually fixed through a plurality of bolts; the connecting pipe, the supporting base and the well pipe are integrally arranged. The invention has the advantages that: the water leakage condition of the connecting gap between the well pipe and the water drainage pipe is reduced, and the service life of the inspection well is guaranteed.

Description

Novel assembled inspection shaft

Technical Field

The invention relates to the field of underground drainage pipes, in particular to a novel assembled inspection well.

Background

The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.

An existing inspection well for drainage comprises a well pipe which is vertically arranged and a drainage pipe which is arranged on the peripheral surface of the well pipe and is communicated with the well pipe. The circumferential surface of the well pipe is provided with a water through hole, the existing connection mode of the well pipe and the drain pipe is that the drain pipe is inserted into the water through hole of the well pipe, then the connection part of the drain pipe and the water through hole is subjected to water closing treatment, cement mortar is mainly coated on the gap between the drain pipe and the inner wall of the water through hole for plugging, and therefore the drain pipe and the well pipe are mutually adhered.

After the inspection well is used for a long time, a connecting gap between the drain pipe and the well pipe is often washed away by a water source, and when the water pressure inside the well pipe is large, acting force along the extending direction of the drain pipe is applied to the connecting gap between the drain pipe and the well pipe, so that the cement mortar is easily broken and separated, and water leakage is caused. The water source leaks around the well pipe and contacts with the soil layer, so that the soil layer sinks, and the ground around the inspection well is collapsed.

Disclosure of Invention

The invention aims to provide a novel assembly type inspection well which has the advantages that the water leakage of a connecting gap between a well pipe and a drain pipe is reduced, and the service life of the inspection well is guaranteed.

The technical purpose of the invention is realized by the following technical scheme:

a novel assembled inspection well comprises a well pipe and a drain pipe arranged around the well pipe, wherein the peripheral surface of the well pipe is connected with a connecting pipe which is mutually communicated with the inside of the well pipe, the pipe diameter of the connecting pipe is the same as the pipe diameter of the corresponding drain pipe, the end parts of the connecting pipe and the drain pipe are mutually butted, and a sealing assembly which wraps the connecting part of the connecting pipe and the drain pipe is arranged on the peripheral surfaces of the connecting pipe and the drain pipe;

the sealing assembly comprises a supporting base and a matching seat, wherein a bearing groove for bearing the end parts of the connecting pipe and the drain pipe is formed in the supporting base, a matching groove for pressing and bearing the end parts of the connecting pipe and the drain pipe is formed in the matching seat, and the supporting base and the matching seat are mutually fixed through a plurality of bolts; the connecting pipe, the supporting base and the well pipe are integrally arranged.

Through the technical scheme, when assembling the inspection shaft, at first with the vertical hoist and mount of well casing to the underground, then with drain pipe horizontal hoist and mount to one side of well casing, and make the tip bearing of drain pipe in the bearing inslot that supports the base, dock the tip of drain pipe and the tip of connecting pipe each other after that, establish the cooperation flap in supporting the base top at last, and will support base and cooperation seat reciprocal anchorage through bolt and nut, make and support base and cooperation seat and tightly encircle drain pipe and connecting pipe and embrace. When water flows between the well pipe and the drain pipe, the impact of the water flow on the connecting part of the connecting pipe and the drain pipe is reduced because the pipe diameters of the connecting pipe and the drain pipe are the same; support the common encirclement of base and cooperation seat down, also make drain pipe and connecting pipe fixed more firm, reduced the connection gap of drain pipe and connecting pipe to reduced the condition emergence of leaking, support base and connecting pipe in addition and all with well casing integrated into one piece, reduced unnecessary connection gap, thereby ensured the seal of well casing.

The invention is further configured to: the inner wall of the supporting groove of the supporting base is provided with a first accommodating groove, a first rubber ring is embedded in the first accommodating groove, a second accommodating groove communicated with the first accommodating groove is arranged on the inner wall of the matching seat matching groove, and a second rubber ring sealed to a drain pipe is embedded in the second accommodating groove.

Through above-mentioned technical scheme, it is fixed with embracing of cooperation seat when supporting the base, through the extrusion deformation of first rubber ring and second rubber ring to remedy support base, cooperation seat respectively with the global connecting gap of drain pipe, even have moisture to enter into the drain pipe global with the gap department that supports base and cooperation seat, thereby ensured the global seal of drain pipe.

The invention is further configured to: and an annular sealing gasket is embedded on the end face of the connecting pipe.

Through above-mentioned technical scheme, sealed the setting of filling up between drain pipe and connecting pipe tip, lean on each other next when drain pipe and connecting pipe, make sealed pad extrusion deformation, thereby the butt joint gap of drain pipe and connecting pipe has been filled, and it is fixed through the mutual lock that supports base and cooperation seat, make drain pipe and connecting pipe keep the butt joint position, make the butt joint department of drain pipe and connecting pipe airtight more, when the water source flows from between drain pipe and the connecting pipe, the water source is difficult for following drain pipe and connecting pipe butt joint department and flowing.

The invention is further configured to: and a third accommodating groove is formed in the inner wall of the matching groove of the matching seat, and a third rubber ring for blocking water on the outer peripheral surface of the connecting pipe is embedded in the third accommodating groove.

Through above-mentioned technical scheme, the third rubber ring sets up on the fitting surface of connecting pipe and cooperation pipe, and the third rubber ring is through pressing of cooperation seat to produce flexible deformation, make the third rubber ring fill the laminating gap of cooperation seat with the connecting pipe, thereby played the effect that blocks water.

The invention is further configured to: the laminating border of supporting base and cooperation seat presss from both sides and is equipped with the pad that blocks water.

Through above-mentioned technical scheme, the cushion clamp that blocks water is established on the laminating border of supporting base and cooperation seat, and the cushion that blocks water has not only filled the laminating gap of supporting base and cooperation seat, when screwing each other through bolt and nut in addition, exerts on bolt and nut through the elastic force that blocks water the cushion to make support base and cooperation seat fixed more firm.

The invention is further configured to: and sealant is coated on the inner wall of the supporting groove of the supporting base and the inner wall of the matching groove of the matching seat.

Through the technical scheme, the joint gap between the support base and the matching seat and the joint gap between the support base and the matching seat and between the support base and the joint seat and the joint gap between the support base and the matching seat and the drain pipe and between the support base and the matching seat and the joint gap between the support base and the matching seat are filled with the sealant through the fluid, and the drain pipe.

The invention is further configured to: the upper end face of the well pipe is provided with a plurality of caulking grooves, and the caulking grooves are internally provided with lapping rings fixedly connected with steel bars in the well pipe.

Through the technical scheme, due to the arrangement of the lapping ring, a worker can conveniently hoist the well pipe through the matching of the tool and the lapping ring, so that the hoisting efficiency of the well pipe is improved.

In conclusion, the invention has the following beneficial effects:

firstly, the water leakage condition at the joint of the inspection well is reduced. When water flows between the well pipe and the drain pipe, the impact of the water flow on the connecting part of the connecting pipe and the drain pipe is reduced because the pipe diameters of the connecting pipe and the drain pipe are the same; the support base and the matching seat are jointly encircled, so that the drain pipe and the connecting pipe are more stably fixed, and a connecting gap between the drain pipe and the connecting pipe is reduced, so that the water leakage is reduced;

and secondly, the hoisting is convenient. Due to the arrangement of the lapping ring, workers can hoist the well pipe conveniently through the matching of the tool and the lapping ring, and therefore the hoisting efficiency of the well pipe is improved.

Drawings

FIG. 1 is a schematic view of the overall construction of an inspection well;

FIG. 2 is an enlarged view of detail A of FIG. 1;

FIG. 3 is an exploded view of a well pipe to drain connection;

FIG. 4 is a schematic view showing the inner wall structure of the mating seat;

FIG. 5 is a schematic view showing the inner wall structure of the supporting base.

In the figure, 1, well pipe; 11. caulking grooves; 12. looping; 13. a connecting pipe; 14. a fourth accommodating groove; 15. a gasket; 2. a drain pipe; 3. a support base; 31. a bearing groove; 32. a first accommodating groove; 33. a first rubber ring; 34. a water blocking cushion; 4. a mating seat; 41. a mating groove; 42. a second accommodating groove; 43. a second rubber ring; 44. a third accommodating groove; 45. and a third rubber ring.

Detailed Description

A novel assembled inspection well, as shown in figure 1, comprises a well pipe 1 and a drain pipe 2 arranged on the peripheral surface of the well pipe 1.

As shown in fig. 1 and 2, the well pipe 1 is a reinforced concrete pipe, the lower end of the well pipe 1 is a sealed opening, the well pipe 1 is vertically arranged underground, three caulking grooves 11 are uniformly formed in the upper end face of the well pipe 1, a lapping ring 12 is arranged in each caulking groove 11, the lapping ring 12 is fixedly connected with the steel bars in the well pipe 1, and the lapping ring 12 does not protrude out of the surface of the caulking groove 11, so that workers can fix the lapping ring 12 with each other through a rope and hoist the well pipe 1, and the convenience of hoisting the well pipe 1 is improved; furthermore, the strap 12 does not protrude beyond the surface of the groove 11 and thus does not interfere with the construction of the well pipe 1 above.

As shown in fig. 3 and 4, a plurality of connecting pipes 13 are horizontally arranged on the circumferential surface of the well casing 1 (in this embodiment, the number of the connecting pipes 13 is 1, for example), the axes of the connecting pipes 13 are perpendicular to the axis of the well casing 1, the connecting pipes 13 are prefabricated with the well casing 1, a supporting base 3 is arranged below each connecting pipe 13, a supporting groove 31 which is matched with the half circumferential surface of each connecting pipe 13 is formed in the supporting base 3, the length of the supporting base 3 is longer than that of the connecting pipe 13, and the supporting base 3 is prefabricated with the well casing 1. The inside and outside wall pipe diameter of above-mentioned drain pipe 2 is the same with the inside and outside wall pipe diameter of connecting pipe 13, when drain pipe 2 and well casing 1 interconnect, can place the tip of drain pipe 2 in the bearing groove 31 that supports base 3 to make the terminal surface of drain pipe 2 and the terminal surface of connecting pipe 13 lean on each other, still be provided with one on the support base 3 and encircle fixed cooperation seat 4 with drain pipe 2 tip and connecting pipe 13, be provided with one in the cooperation seat 4 with drain pipe 2, the cooperation groove 41 of laminating each other in connecting pipe 13 periphery year. Support base 3 and the mutual lock of cooperation seat 4 to it is fixed each other through a plurality of bolt and nut to support base 3 and the laminating border department of cooperation seat 4, thereby with connecting pipe 13 and the mutual butt joint of drain pipe 2 fixed.

Because connecting pipe 13 and well casing 1 integrated into one piece, avoided the connecting gap of connecting pipe 13 with well casing 1, drain pipe 2 is the same with connecting pipe 13 pipe diameter and butt joint relatively moreover for the water source is when flowing, has reduced the direct impact to drain pipe 2 and the connecting pipe 13 junction of pressure at the water source, and under the tight encirclement of support base 3 and cooperation seat 4, has reduced the connecting gap, and then has also reduced the condition of leaking and has taken place.

As shown in fig. 4 and 5, in order to improve the tightness of the connection and matching between the support base 3 and the matching pipe and the drain pipe 2, an arc-shaped first accommodating groove 32 is formed in the support base 3 and the support bracket 31, and a first rubber ring 33 is embedded in the first accommodating groove 32; and a second holding groove 42 communicated with the first holding groove 32 is arranged on the inner wall of the matching pipe matching groove 41, and a second rubber ring 43 with the same size as the second holding groove 42 is embedded in the second holding groove 42. When supporting base 3 and cooperation seat 4 each other lock, first rubber ring 33 and second rubber ring 43 tightly lean on global at drain pipe 2 under the effect of pressure tightly to filled drain pipe 2 and supported base 3, the laminating gap of cooperation seat 4, ensured the performance of blocking water that supports base 3 and cooperation seat 4.

As shown in fig. 4, an arc-shaped third receiving groove 44 is further formed in the fitting groove 41 of the fitting seat 4 and the joint of the connecting pipe 13, a third rubber ring 45 having the same size as the third receiving groove 44 is embedded in the third receiving groove 44, and since the connecting pipe 13 and the supporting base 3 are integrally formed, a connecting gap is not generated on the lower half circumferential surface of the connecting base. When the matching seat 4 and the supporting base 3 are fixed to each other, the third rubber ring 45 is pressed against the upper half circumferential surface of the connecting pipe 13, so that a joint gap between the connecting pipe 13 and the matching pipe is filled, and the airtightness between the matching seat 4 and the connecting pipe 13 is guaranteed.

As shown in fig. 5, an annular fourth receiving groove 14 is further formed on the end surface of the connecting pipe 13, a sealing gasket 15 having the same size as the fourth receiving groove 14 is embedded in the fourth receiving groove 14, and the sealing gasket 15 is made of rubber. When the drain pipe 2 and the connecting pipe 13 are abutted, the sealing gasket 15 is flexibly deformed, so that the abutting joint gap between the connecting pipe 13 and the drain pipe 2 is filled, the drain pipe 2 and the connecting pipe 13 are abutted more tightly, the abutting joint position between the drain pipe 2 and the connecting pipe 13 is ensured under the fixation of the supporting base 3 and the matching seat 4, and the water source is enabled not to easily pass through the connecting gap between the drain pipe 2 and the connecting pipe 13.

Waterproof sealant is uniformly coated on the inner walls of the bearing groove 31 of the supporting base 3 and the matching groove 41 of the matching seat 4, so that when the supporting base 3 and the matching seat 4 are mutually buckled and fixed, the waterproof sealant fills the joint gaps on the peripheral surfaces of the drain pipe 2 and the connecting pipe 13; when the waterproof sealant is solidified, a sealing layer is formed, so that the sealing performance of the peripheral surfaces of the connecting pipe 13 and the drain pipe 2 is greatly improved.

As shown in fig. 3, the joint edge of the supporting base 3 and the matching base 4 is further clamped with a water-blocking cushion 34 made of rubber, and the water-blocking cushion 34 is screwed by bolts and nuts, so that the water-blocking cushion 34 is flexibly deformed, joint gaps between the supporting base 3 and the matching base 4 are filled and filled, and elastic acting force generated by deformation of the water-blocking cushion 34 can make the matching base 4, the supporting base 3 and the bolts and nuts lean against more tightly, so that the tightness for fixing the supporting base 3 and the matching base 4 is improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a novel assembled inspection shaft, includes well casing (1) and sets up drain pipe (2) around well casing (1), characterized by: the peripheral surface of the well pipe (1) is connected with a connecting pipe (13) which is communicated with the inside of the well pipe (1), the pipe diameter of the connecting pipe (13) is the same as that of the corresponding drain pipe (2), the end parts of the connecting pipe (13) and the drain pipe (2) are mutually butted, and a sealing assembly which wraps the connecting part of the connecting pipe (13) and the drain pipe (2) is arranged on the peripheral surfaces of the connecting pipe (13) and the drain pipe (2);

the sealing assembly comprises a supporting base (3) and a matching seat (4), a supporting groove (31) for supporting the end parts of the connecting pipe (13) and the drain pipe (2) is formed in the supporting base (3), a matching groove (41) for pressing against the end parts of the connecting pipe (13) and the drain pipe (2) is formed in the matching seat (4), and the supporting base (3) and the matching seat (4) are mutually fixed through a plurality of bolts; the connecting pipe (13) and the supporting base (3) are integrally arranged with the well pipe (1).

2. The novel fabricated manhole as claimed in claim 1, wherein: first holding tank (32) have been seted up on the inner wall of support groove (31) of support base (3), first holding tank (32) are embedded to be equipped with first rubber ring (33), set up on the inner wall of cooperation seat (4) cooperation groove (41) second holding tank (42) with first holding tank (32) intercommunication each other, second holding tank (42) are embedded to be equipped with second rubber ring (43) sealed to drain pipe (2).

3. The novel fabricated manhole as claimed in claim 2, wherein: and an annular sealing gasket (15) is embedded on the end surface of the connecting pipe (13).

4. The novel fabricated manhole as claimed in claim 3, wherein: third holding tank (44) have been seted up on the inner wall of cooperation groove (41) of cooperation seat (4), third holding tank (44) embedded third rubber ring (45) that are equipped with to connecting pipe (13) outer peripheral face water-stopping.

5. The novel fabricated manhole as claimed in claim 4, wherein: and a water-blocking cushion (34) is clamped at the joint edge of the supporting base (3) and the matching base (4).

6. The novel fabricated manhole as claimed in claim 5, wherein: and sealant is coated on the inner wall of the supporting groove (31) of the supporting base (3) and the inner wall of the matching groove (41) of the matching seat (4).

7. The novel fabricated manhole as claimed in claim 1, wherein: the upper end face of the well pipe (1) is provided with a plurality of caulking grooves (11), and the caulking grooves (11) are internally provided with a lapping ring (12) fixedly connected with the steel bars in the well pipe (1).

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