CN211976170U - Waterproof sealing steel corrugated pipe based on bolt connection - Google Patents

Abstract

A waterproof sealing steel corrugated pipe based on bolt connection belongs to the technical field of steel corrugated pipe connection and sealing, and solves the problems that the joint and the interface position of the steel corrugated pipe are connected and sealed by adopting welding, splicing or multi-sheet lapping, and the high requirements of spiral corrugated steel pipes on strength and sealing performance are difficult to meet, and operation is difficult to be caused due to the pipe diameter difference of the joint when some steel corrugated pipes are connected, the utility model adopts bolt connection to the joint of the steel corrugated pipe, seals the joint by virtue of sealing strips, seals bolts by virtue of sealing pads, adopts outward flanging at two ends of the steel corrugated pipe, connects flange discs by virtue of bolts and seals by virtue of sealing rings, integrally adopts bolting, has simple connection mode, greatly improves the sealing effect, avoids the problem that the connection modes such as welding have higher technical requirements on workers, and connects pipes by virtue of flange discs, the problem of difficult connection caused by the pipe diameter difference at the joint when some steel corrugated pipes are connected is avoided.

Description

Waterproof sealing steel corrugated pipe based on bolt connection

Technical Field

The utility model belongs to the technical field of the bellows is connected and is sealed, specifically a waterproof sealing bellows based on bolted connection has been related to.

Background

The corrugated steel pipe is a corrugated pipe formed by rolling corrugations on a forming machine after a steel plate is rolled into a pipe shape, not only has certain shock resistance, but also can adapt to larger settlement and deformation, the corrugated steel pipe is an ideal product for replacing the traditional pipe, and has incomparable superiority in the aspects of construction period, construction cost, environmental protection significance and the like, but the joint and the interface of the existing corrugated steel pipe are connected and sealed in a welding, splicing or multi-piece lapping mode, and the high requirements of the spiral corrugated steel pipe on strength and sealing performance are difficult to meet by a common connecting mechanism and form, and the corrugated steel pipe cannot ensure that the pipe diameters are completely consistent in all sections of the pipe joints due to various factors in the processing process, so that the connecting operation is difficult and the sealing effect is poor due to the pipe diameter difference at the joint when some corrugated steel pipes are connected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problem, a waterproof sealing corrugated steel pipe based on bolted connection has been designed, corrugated steel pipe is rolled up the system shaping by the monolithic steel sheet, only there is a seam, seam crossing adopts bolted connection, and seal seam crossing with the help of the sealing strip, seal the bolt with the help of sealed the pad, corrugated steel pipe both ends position adopts the flanging, with the help of bolted connection flange dish, and set up the sealing washer between flanging and flange dish and seal, wholly adopt bolted connection, and with the help of the sealing strip, sealed pad and sealing washer seal, not only the connected mode is simple, and sealing effect has been improved greatly. The problem that welding and other complex modes have high technical requirements on constructors is avoided, the pipes are connected through the flange plate, and the problem that connection is difficult due to pipe diameter difference at joints when some steel corrugated pipes are connected is avoided.

The utility model discloses a technical scheme be, designed a waterproof sealing corrugated steel pipe based on bolted connection, including the monolithic system corrugated steel pipe's of rolling up the pipe shaft that forms, the pipe shaft include first overlap edge, second overlap edge and seal structure with the help of bolted connection, seal structure including setting up the sealing strip between first overlap edge and second overlap edge and set up the sealed pad of suit on the bolt in the corrugated steel pipe, the sealing strip upper and lower terminal surface be provided with a plurality of bars and keep off along the sealing strip cross-sectional structure who forms into the structure of wang font, the bar keep off along extending and being parallel each other along pipe shaft length direction.

The sealing strips are provided with two groups and are respectively arranged on two sides of the bolt between the first overlapping edge and the second overlapping edge.

The sealing gasket upper and lower terminal surface be provided with multiunit annular and keep off along and central point puts and is provided with the through-hole that supplies the bolt to pass, the through-hole inward flange be provided with semi-circular structure's sealed edge, sealed edge with the help of the nut extrusion of bolt at the periphery of bolt.

The corrugated steel pipe is characterized in that the front end and the rear end of the corrugated steel pipe are both provided with outward flanges, and the outward flanges are fixedly provided with flange plates by means of bolts.

And a sealing ring is arranged between the outward flange and the flange plate, and a plurality of annular blocking edges are arranged on the upper end surface and the lower end surface of the sealing ring.

The utility model has the advantages that the waterproof sealing steel corrugated pipe based on bolt connection is designed, the steel corrugated pipe is formed by rolling a single steel plate, only one seam exists, the seam is connected by the bolt, sealing the joint by means of a sealing strip, sealing the bolt by means of a sealing gasket, connecting flange plates by means of bolts by adopting outward flanged edges at two ends of the steel corrugated pipe, and a sealing ring is arranged between the outward flanging and the flange plate for sealing, the whole body is connected by bolts and sealed by the sealing strip, the sealing gasket and the sealing ring, the connection mode is simple, but also greatly improves the sealing effect, avoids the problem that the more complicated modes such as welding and the like have higher technical requirements on constructors, and the pipes are connected by the flange plate, so that the problem of difficult connection caused by the pipe diameter difference of joints when some steel corrugated pipes are connected is solved.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic view of a body seam connection;

FIG. 3 is a schematic view of a seal bar;

FIG. 4 is a schematic view of a gasket;

FIG. 5 is a schematic cross-sectional view of a gasket;

fig. 6 is a schematic view of a seal ring.

In the attached drawing, 1, a pipe body, 2, a first overlapping edge, 3, a second overlapping edge, 4, a sealing strip, 5, a sealing gasket, 6, a strip-shaped retaining edge, 7, an annular retaining edge, 8, a sealing edge, 9, an outward flanging, 10, a flange plate, 11 and a sealing ring.

Detailed Description

As shown in the accompanying drawings 1-3, the utility model discloses a waterproof sealing corrugated steel pipe based on bolted connection, including the monolithic system corrugated steel pipe's of rolling up pipe shaft 1 that forms, pipe shaft 1 include with the help of bolted connection's first overlap edge 2, second overlap edge 3 and seal structure, seal structure including setting up sealing strip 4 between first overlap edge 2 and second overlap edge 3 and set up the sealed pad 5 of suit on the bolt in the corrugated steel pipe, sealing strip 4 upper and lower terminal surface be provided with a plurality of bars and keep off 6 sealing strip 4 cross-sectional structures that form into the structure of wang font, the bar keep off 6 to extend and be parallel between each other along pipe shaft length direction along the pipe shaft.

Corrugated steel pipe is rolled up the system shaping by the monolithic steel sheet, only there is a seam, seam crossing adopts bolted connection fixed, and seal seam crossing with the help of sealing strip 4, in order to further guarantee sealed effect, the sealed pad 5 of suit carries out further sealedly on the bolt in corrugated steel pipe, can reach best in order to guarantee sealing strip 4's sealed effect, adopt on, the terminal surface is provided with a plurality of bars and keeps off along 6 sealing strip 4 that form into wang font structure down, when water flows in corrugated steel pipe, can receive a plurality of bars and keep off blockking along 6, water-proof effects improves greatly, and adopt bolted connection can reduce the technical requirement to the operator, add the explanation slightly, just can operate.

As shown in the attached drawing 2, in order to further improve the sealing effect, the sealing strips 4 are provided with two groups, which are respectively arranged at two sides of the bolt between the first overlapping edge 2 and the second overlapping edge 3, when the inner wall of the rigid corrugated pipe is washed by water for a long time, even if the water can permeate the first group of sealing strips 4, the second group of sealing strips 4 can also seal, so that the service life can be prolonged, and the better waterproof effect can be ensured.

As shown in fig. 4-5, in order to further improve the sealing effect of the sealing gasket 5, the upper and lower end surfaces of the sealing gasket 5 are provided with a plurality of groups of annular blocking edges 7, a through hole for a bolt to pass through is formed in the center position of the sealing gasket 5, the inner edge of the through hole is provided with a sealing edge 8 of a semicircular structure, the sealing edge 8 is extruded on the periphery of the bolt by virtue of a nut of the bolt, when water flows through the position of the bolt, the plurality of groups of annular blocking edges 7 can effectively prevent water from permeating, even if the water can permeate into the group of annular blocking edges 7 on the outermost side, other annular blocking edges 7 can also seal, and the waterproof effect can be.

As shown in the attached drawing 1, for a plurality of corrugated steel pipes to be connected more conveniently, the problem that some corrugated steel pipes are difficult to connect due to the difference of pipe diameters of joints is avoided, the front end and the rear end of each corrugated steel pipe are respectively provided with a flanging 9, the flanging 9 is provided with a flange plate 10 by means of bolt fixing, the screw holes of the flanging 9 of the corrugated steel pipes are arranged into long slotted holes, the fastening positions of the bolts can be properly adjusted when the flange plates 10 are connected, the flange plates 10 are standard sizes, the corrugated steel pipes can be connected by means of the flange plates 10, and the connecting mode is simple and easy to operate. The working efficiency is greatly improved.

As shown in attached drawings 1 and 5, in order to guarantee the sealing effect after the flanging 9 and the flange plate 10 are connected, the sealing ring 11 is arranged between the flanging 9 and the flange plate 10, the upper end face and the lower end face of the sealing ring 11 are respectively provided with a plurality of annular blocking edges 7, when water flows through the joint of the flanging 9 and the flange plate 10, a plurality of groups of annular blocking edges 7 can effectively prevent water from permeating, even if the water can permeate into a group of annular blocking edges 7 on the outermost side, other annular blocking edges 7 can also seal, the waterproof effect can be better guaranteed, and the service life is prolonged.

Claims (5)

1. The utility model provides a waterproof sealing corrugated steel pipe based on bolted connection, includes body of pipe (1) of the corrugated steel pipe that the monolithic system of rolling up formed, its characterized in that: pipe shaft (1) include first overlap edge (2), second overlap edge (3) and seal structure with the help of bolted connection, seal structure including setting up sealing strip (4) between first overlap edge (2) and second overlap edge (3) and setting up sealed pad (5) of suit on the bolt in the steel bellows, sealing strip (4) upper and lower terminal surface be provided with a plurality of bars and keep off sealing strip (4) cross-sectional structure that forms into the structure of wang font along (6), the bar keep off extend and be parallel to each other along pipe shaft length direction along (6).

2. The waterproof sealing steel corrugated pipe based on bolt connection according to claim 1, wherein: the sealing strips (4) are provided with two groups and are respectively arranged on two sides of the bolt between the first overlapping edge (2) and the second overlapping edge (3).

3. The waterproof sealing steel corrugated pipe based on bolt connection according to claim 1, wherein: the upper end face and the lower end face of the sealing gasket (5) are provided with a plurality of groups of annular blocking edges (7), a through hole for a bolt to pass through is formed in the center position of the annular blocking edges, the inner edge of the through hole is provided with a sealing edge (8) of a semicircular structure, and the sealing edge (8) is extruded on the periphery of the bolt by means of a nut of the bolt.

4. The waterproof sealing steel corrugated pipe based on bolt connection according to claim 1, wherein: the corrugated steel pipe is characterized in that the front end and the rear end of the corrugated steel pipe are both provided with outward flanges (9), and the outward flanges (9) are fixedly provided with flange plates (10) by means of bolts.

5. The waterproof sealing steel corrugated pipe based on bolt connection according to claim 4, wherein: a sealing ring (11) is arranged between the outward flanging (9) and the flange plate (10), and a plurality of annular blocking edges (7) are arranged on the upper end face and the lower end face of the sealing ring (11).

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