CN211289089U - Double-wall corrugated pipe connecting device - Google Patents

Abstract

The utility model discloses a double-wall corrugated pipe connecting device, which comprises a connecting ring, wherein 1 connecting pipe is respectively arranged at two ends of a shaft hole of the connecting ring, and a clamping device for fixing a corrugated pipe is arranged on the side surface of the connecting ring; clamping device articulates the L type drag hook in go-between axial both sides including the symmetry, and the downside of L type drag hook is equipped with bellows outer wall concave part complex arch, and the tip of L type drag hook top is equipped with the connecting seat, and it has the bracing piece to articulate on the connecting seat, connects through the pivot between the bracing piece on the L type drag hook at both ends, and when the bracing piece on the L type drag hook at both ends was located same straight line, the downside of bracing piece and the upper surface laminating of L type drag hook, protruding card dies the concave part at bellows outer wall. The utility model has the characteristics of difficult not hard up, the leakproofness is good, and processing is convenient, and easy operation, labour saving and time saving.

Description

Double-wall corrugated pipe connecting device

Technical Field

The utility model relates to a pipe connection head, especially a double-walled bellows connecting device.

Background

The double-wall corrugated pipe consists of an inner smooth-wall pipe and an outer corrugated pipe, and the application of the corrugated pipe is more and more extensive along with the development of capital construction engineering.

In the production process of the double-wall corrugated pipe, due to the limitation of equipment, field, transportation and the like, only one section of pipeline with the length of several meters can be produced, and when the double-wall corrugated pipe is applied, the section of double-wall corrugated pipe needs to be connected and assembled through a connecting device, so that a long pipeline with the length of hundreds of kilometers is formed. When the corrugated pipe is connected and assembled, the current mainstream modes include a socket type mode and a hot melting mode, the socket type connection mode is that a socket and a spigot are respectively manufactured at two ends of the corrugated pipe, and the socket is fixed in the socket through the action of a sealing rubber ring, which is the simplest mode, but because the pipeline is connected only through the sealing rubber ring, the looseness of the connection part is easily caused by the swinging of the pipeline and the like in the assembling and burying processes, so that the problem of poor sealing performance is caused, and the socket and the spigot need to be subjected to injection molding at two ends of the corrugated pipe by separate molds, so that the processing is troublesome; the hot melting mode is that two ends of the corrugated pipe are heated and melted by utilizing hot melting equipment, and then two sections of pipelines are butted and fused while the corrugated pipe is hot, so that connection is completed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-walled bellows connecting device. The utility model has the characteristics of difficult not hard up, the leakproofness is good, and processing is convenient, and easy operation, labour saving and time saving.

The technical scheme of the utility model: a double-wall corrugated pipe connecting device comprises a connecting ring, wherein 1 connecting pipe is respectively arranged at two ends of a shaft hole of the connecting ring, and a clamping device for fixing a corrugated pipe is arranged on the side surface of the connecting ring; clamping device articulates the L type drag hook in go-between axial both sides including the symmetry, and the downside of L type drag hook is equipped with bellows outer wall concave part complex arch, and the tip of L type drag hook top is equipped with the connecting seat, and it has the bracing piece to articulate on the connecting seat, connects through the pivot between the bracing piece on the L type drag hook at both ends, and when the bracing piece on the L type drag hook at both ends was located same straight line, the downside of bracing piece and the upper surface laminating of L type drag hook, protruding card dies the concave part at bellows outer wall.

In the double-wall corrugated pipe connecting device, the clamping device is provided with at least 2 groups which are equally arranged on the circumferential surface of the connecting ring.

In the double-wall corrugated pipe connecting device, the outer surface of the connecting pipe is provided with the sealing rubber ring.

In the double-wall corrugated pipe connecting device, the bowl-shaped sealing ring is arranged on the outer side of the contact surface of the connecting pipe and the connecting ring.

According to the double-wall corrugated pipe connecting device, the through hole is formed in the middle of the supporting rod, and the supporting rod is fixed on the L-shaped drag hook through the self-tapping screw during installation.

The beneficial effects of the utility model

1. The utility model discloses a set up go-between and connecting pipe to set up clamping device on the go-between, the bellows butt joint targets in place the back, carries out the lock through clamping device and dies, at the in-process of follow-up assembling and landfill, can not receive the influence of rocking and cause not hard up, has difficult not hard up, connects the advantage that the leakproofness is good.

2. The utility model discloses a connector belongs to independent part, need not with corrugated pipe integrated into one piece, consequently, it is more convenient to process.

3. The utility model discloses only need target in place the pipeline during connection, then push down L type drag hook to protruding card die in the concave part department of pipeline, then with L type drag hook fix can, have convenient operation, labour saving and time saving's advantage.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a usage state diagram of the present invention.

Description of reference numerals: 1-connecting ring, 2-connecting pipe, 3-clamping device, 4-L-shaped drag hook, 5-bulge, 6-connecting seat, 7-supporting rod, 8-sealing rubber ring, 9-bowl-shaped sealing ring, 10-through hole, 11-self-tapping screw and 12-double-wall corrugated pipe.

Detailed Description

The present invention will be further described with reference to the following examples, which are not intended as a limitation of the present invention.

Embodiments of the utility model

A double-wall corrugated pipe connecting device is shown in attached figures 1-4 and comprises a connecting ring 1, wherein two ends of a shaft hole of the connecting ring 1 are respectively provided with 1 connecting pipe 2, and the side surface of the connecting ring 1 is provided with a clamping device 3 for fixing a corrugated pipe; clamping device 3 articulates the L type drag hook 4 in the 1 axial both sides of go-between including the symmetry, the downside of L type drag hook 4 be equipped with bellows outer wall concave part complex arch 5, the tip of L type drag hook 4 top is equipped with connecting seat 6, it has bracing piece 7 to articulate on the connecting seat 6, connect through the pivot between the bracing piece 7 on the L type drag hook 4 at both ends, bracing piece 7 on the L type drag hook 4 at both ends is when being located same straight line, the downside of bracing piece 7 and the laminating of the upper surface of L type drag hook 4, protruding 5 blocks the concave part of dying at the bellows outer wall.

During installation, the double-wall corrugated pipes 12 are respectively inserted outside the connecting pipes 2 until the end parts of the double-wall corrugated pipes 12 abut against the side surfaces of the connecting rings 1, the outer diameters of the connecting pipes 2 are designed to be consistent with the inner diameters of the double-wall corrugated pipes 12, and certain gaps exist due to the influence of precision, so that during connection, certain sealant is coated outside the connecting pipes 2 to fill the gaps; after the L-shaped drag hook 4 is inserted in place, the L-shaped drag hook 4 is pressed down to the protrusion 5 to be clamped in the concave part of the outer wall of the double-wall corrugated pipe 12, the supporting rod 7 is located on the same straight line and is tightly attached to the upper surface of the L-shaped drag hook 4, the supporting rod 7 is fixed through a steel wire or a screw and the like, the supporting rod 7 is prevented from being overturned outwards, the L-shaped drag hook 4 can be completely locked, and looseness is avoided.

Preferably, the holding device 3 is provided with at least 2 groups, which are equally arranged on the circumference of the connecting ring 1, and 2-3 groups are usually adopted to achieve good fixing effect, and the cost is not too high.

Preferably, the outer surface of the connecting pipe 2 is provided with a sealing rubber ring 8, and the sealing rubber ring 8 has the function similar to that of a sealing gum, and is used for filling a gap caused by insufficient precision and improving the sealing property.

Preferably, a bowl-shaped sealing ring 9 is arranged on the outer side of the contact surface of the connecting pipe 2 and the connecting ring 1, and when the double-wall corrugated pipe 12 is spliced, the bowl-shaped sealing ring 9 is tightly attached to the end part of the double-wall corrugated pipe 12 and is buckled to one side of the double-wall corrugated pipe 12, so that the sealing performance is further improved.

Preferably, the middle of the supporting rod 7 is provided with a through hole 10, the supporting rod 7 is fixed on the L-shaped drag hook 4 through a self-tapping screw 11 during installation, the L-shaped drag hook is made of a material which is the same as that of the corrugated pipe, and the self-tapping screw 11 can be directly screwed in and fix the supporting rod 7, so that the installation is more convenient.

The above, only do the utility model discloses create the embodiment of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses create the technical scope of disclosure, according to the utility model discloses technical scheme and the utility model design that creates of the utility model are equivalent replacement or change, all should be covered within the protection scope of creation of the utility model.

Claims (5)

1. A double-walled bellows junction device, characterized by: the corrugated pipe connecting device comprises a connecting ring (1), wherein two ends of a shaft hole of the connecting ring (1) are respectively provided with 1 connecting pipe (2), and the side surface of the connecting ring (1) is provided with a clamping device (3) for fixing a corrugated pipe; clamping device (3) articulate L type drag hook (4) in go-between (1) axial both sides including the symmetry, the downside of L type drag hook (4) be equipped with bellows outer wall concave part complex arch (5), the tip of L type drag hook (4) top is equipped with connecting seat (6), it has bracing piece (7) to articulate on connecting seat (6), connect through the pivot between bracing piece (7) on the L type drag hook (4) at both ends, bracing piece (7) on the L type drag hook (4) at both ends are when being located same straight line, the downside of bracing piece (7) and the upper surface laminating of L type drag hook (4), protruding (5) card dies the concave part at the bellows outer wall.

2. The double-walled bellows connection arrangement of claim 1, wherein: the clamping device (3) is provided with at least 2 groups which are equally arranged on the circumferential surface of the connecting ring (1).

3. The double-walled bellows connection arrangement of claim 1, wherein: and a sealing rubber ring (8) is arranged on the outer surface of the connecting pipe (2).

4. The double-walled bellows connection arrangement of claim 1, wherein: and a bowl-shaped sealing ring (9) is arranged on the outer side of the contact surface of the connecting pipe (2) and the connecting ring (1).

5. The double-walled bellows connection arrangement of claim 1, wherein: the middle part of the supporting rod (7) is provided with a through hole (10), and during installation, the supporting rod (7) is fixed on the L-shaped drag hook (4) through a self-tapping screw (11).

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