CN215829490U

CN215829490U - Flexible waterproof connecting joint for underground diaphragm wall

Info

Publication number: CN215829490U
Application number: CN202121158963.6U
Authority: CN
Inventors: 程培武; 张启武; 余修凯
Original assignee: Yuxiang Construction Engineering Co ltd
Current assignee: Yuxiang Construction Engineering Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-02-15
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a flexible waterproof connecting joint for an underground diaphragm wall, which comprises a connecting joint, wherein a clamping shell is sleeved on the surface of the connecting joint, an opening is formed in the center of the clamping shell, a pair of fixing pieces are arranged on two sides of the opening of the clamping shell, a plurality of clamping grooves are formed in the fixing pieces, a baffle is arranged in the clamping shell and is mutually attached to the clamping shell, a water pipe is arranged in the baffle, a rubber ring is arranged at one end in the connecting joint, threads are arranged in the rubber ring, gear rings are arranged at two ends in the rubber ring and are mutually clamped with the rubber ring, a pair of bolts are transversely arranged in the fixing pieces and penetrate through the clamping grooves and extend to the outside. This flexible waterproof connection of underground continuous wall connects, simple structure is reasonable, the modern design, and easy operation is convenient, can effectively improve connection's the waterproof condition, and changes and connect convenient and fast, has higher practical value.

Description

Flexible waterproof connecting joint for underground diaphragm wall

Technical Field

The utility model relates to the technical field of waterproof joints, in particular to a flexible waterproof connecting joint for an underground diaphragm wall.

Background

The underground continuous wall is a long and narrow deep groove excavated on the ground by adopting a groove excavating machine in foundation engineering under the condition of slurry wall protection along the peripheral axis of the deep excavation engineering. The flexible joint is a connector with a flexible function, but in reality, steel flexible joints, namely a clamp type flexible joint and a rubber flexible joint, are mostly referred to.

The steel flexible joint is used for welding the connector that plays the compensation connection effect between the pipeline, because long-term underground use, and most connector water-proof effects in use are poor, and the articulate connection is unstable, leads to the condition that can leak in the use. Therefore, the flexible waterproof connecting joint for the underground diaphragm wall is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a flexible waterproof connecting joint for an underground diaphragm wall, which comprises a connecting joint, wherein a clamping shell is sleeved on the surface of the connecting joint, an opening is formed in the center of the clamping shell, a pair of fixing pieces are arranged on two sides of the opening of the clamping shell, a plurality of clamping grooves are formed in the fixing pieces, a baffle is arranged in the clamping shell and is mutually attached to the clamping shell, a water pipe is arranged in the baffle, a rubber ring is arranged at one end of the inside of the connecting joint, threads are arranged in the rubber ring, gear rings are arranged at two ends of the inside of the rubber ring and are mutually clamped with the rubber ring, a pair of bolts are transversely arranged in the fixing pieces, and the bolts penetrate through the clamping grooves and extend to the outside.

As a preferable technical solution of the present invention, a pair of bolts is longitudinally installed on each of the pair of fixing members, a pair of through holes is provided on each of the plug pins, and each of the pair of bolts penetrates through the through hole.

In a preferred embodiment of the present invention, the pair of bolts has external threads on the surfaces thereof, and the external threads of the bolts are engaged with the internal threads of the through holes.

As a preferable technical scheme of the utility model, the water pipe is internally provided with threads, and the threads in the water pipe are meshed with the threads in the rubber ring.

According to a preferable technical scheme of the utility model, an anti-corrosion layer is arranged inside the card shell, a reinforcing layer is arranged inside the anti-corrosion layer, and a waterproof layer is arranged inside the reinforcing layer.

As a preferable technical scheme of the utility model, the thickness h1 of the anti-corrosion layer satisfies h1 more than 60 μm, and the surface of the anti-corrosion layer is sprayed with the nano anti-corrosion paint.

As a preferable embodiment of the present invention, the reinforcing layer is internally filled with an ultraviolet curable resin.

As a preferred technical scheme of the utility model, the waterproof layer is internally filled with a single-component polyurethane waterproof coating, the thickness of the waterproof layer is 3 microns, and the surface of the waterproof layer is provided with air holes.

The utility model has the beneficial effects that:

1. according to the flexible waterproof connecting joint for the underground diaphragm wall, the clamping shell is sleeved outside the connecting joint, so that the joint can be more compact and can be attached to prevent water seepage, the fixing piece is installed, the clamping groove is formed in the fixing piece, a bolt can be inserted into the clamping groove, the diameter of the clamping groove is the same as that of the bolt, a gap between the clamping shells is reduced through the bolt, a pair of bolts penetrate through the through hole in the bolt, external threads on the bolts are meshed with threads in the through hole, the joint is prevented from loosening due to external force factors in the using process, and the joint is convenient to replace after being damaged;

2. the flexible waterproof connecting joint for the underground diaphragm wall can be used for isolating a water pipe from a clamping shell by installing the baffle, effectively protecting the water pipe, preventing the water pipe from loosening in the using process by installing the rubber ring in the water pipe, preventing the joint from being corroded too fast by embedding the joint at the ground bottom for a long time by installing the anti-corrosion layer in the clamping shell, preventing the vibration of the joint caused by external force factors by installing the reinforcing layer, preventing the water pipe from changing due to the change of temperature, prolonging the service life of the water pipe by installing the reinforcing layer, and enhancing the waterproof effect by installing the waterproof layer; the waterproof device has the advantages of simple and reasonable structure, novel design, simple and convenient operation, capability of effectively improving the waterproof condition of the connecting joint, convenience and quickness in joint replacement and higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a flexible waterproof connector for underground diaphragm walls according to the present invention;

FIG. 2 is an exploded view of a flexible waterproof connection joint for underground diaphragm walls according to the present invention;

FIG. 3 is a schematic cross-sectional view of a clamping shell structure of a flexible waterproof connecting joint for underground diaphragm walls according to the present invention;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 of the flexible waterproof connecting joint for underground diaphragm walls according to the present invention.

In the figure: 1. connecting a joint; 2. clamping a shell; 3. a bolt; 4. a bolt; 5. a toothed ring; 6. a rubber ring; 7. a baffle plate; 8. a water pipe; 9. an anti-corrosion layer; 10. a reinforcement layer; 11. a waterproof layer; 12. a fixing member; 13. a clamping groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the flexible waterproof connection joint for the underground diaphragm wall comprises a connection joint 1, wherein a clamping shell 2 is sleeved on the surface of the connection joint 1, an opening is formed in the center of the clamping shell 2, a pair of fixing pieces 12 are installed on two sides of the opening of the clamping shell 2, a plurality of clamping grooves 13 are formed in the pair of fixing pieces 12, a baffle 7 is installed inside the clamping shell 2, the baffle 7 is attached to the clamping shell 2, a water pipe 8 is installed inside the baffle 7, a rubber ring 6 is installed at one end inside the connection joint 1, threads are arranged inside the rubber ring 6, toothed rings 5 are installed at two ends inside the rubber ring 6, the toothed rings 5 are clamped with the rubber ring 6, a pair of bolts 3 are installed inside the pair of fixing pieces 12 in a transverse direction, and the pair of bolts 3 penetrate through the clamping grooves 13, and extends to the outside.

Wherein, all vertically install a pair of bolt 4 on a pair of mounting 12, all be equipped with a pair of through-hole on the bolt 3, it is a pair of bolt 4 all runs through the through-hole.

Wherein, the surface of a pair of bolt 4 is equipped with the external screw thread, just the external screw thread of bolt 4 and the internal thread intermeshing of through-hole through installing bolt 4, can prevent to lead to connecting loosely down because of external force factor in the use, also make things convenient for to connect and damage the back and change.

Wherein, 8 inside screw threads that are equipped with of water pipe, just screw thread in 8 water pipes and the screw thread intermeshing in the rubber circle 6 through installing rubber circle 6, can make 8 water pipes prevent to become flexible in the use.

The anti-corrosion card shell comprises a card shell 2 and is characterized in that an anti-corrosion layer 9 is arranged inside the card shell 2, a reinforcing layer 10 is arranged inside the anti-corrosion layer 9, and a waterproof layer 11 is arranged inside the reinforcing layer 10.

Wherein the thickness h1 of the anti-corrosion layer 9 satisfies h1 > 60 μm, and the surface of the anti-corrosion layer 9 is sprayed with the nano anti-corrosion paint, and the joint is prevented from being corroded too fast by installing the anti-corrosion layer 9.

Wherein, the reinforcing layer 10 is filled with ultraviolet curable resin, and the service life of the water pipe 8 can be prolonged by installing the reinforcing layer 10.

Wherein, the waterproof layer 11 is internally filled with a single-component polyurethane waterproof coating, the thickness of the waterproof layer 11 is 3 μm, and the surface of the waterproof layer 11 is provided with air holes.

The working principle is as follows: when the water pipe joint is used, after the water pipe 8 is fixedly connected with the connecting joint 1 through threads, the clamping shell 2 is sleeved at the connecting joint 1, the water pipe 8 and the connecting joint 1 can be reinforced, the bolt 3 is transversely inserted into the fixing piece 12 on the clamping shell 2, the bolt 3 is provided with a pair of through holes, the bolt 4 is longitudinally inserted into the through holes, and the bolt 4 is in threaded connection with the bolt 3, so that the joint is prevented from loosening due to external force factors in the using process, and the joint is convenient to replace after being damaged; the water pipe 8 and the clamping shell 2 can be isolated by installing the baffle 7, so that the water pipe 8 is effectively protected, and meanwhile, the rubber ring 6 is installed in the water pipe 8, so that the water pipe 8 can be prevented from loosening in the use process; through have anti-corrosion coating, back up coat and waterproof layer at 2 internally mounted of card shell, prevent that attach fitting from because long-term buried existence ground bottom department is too fast corroded, and can effectual extension water pipe's life, strengthen water-proof effects.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The flexible waterproof connecting joint for the underground diaphragm wall comprises a connecting joint (1) and is characterized in that a clamping shell (2) is sleeved on the surface of the connecting joint (1), an opening is formed in the center of the clamping shell (2), a pair of fixing pieces (12) are installed on two sides of the opening of the clamping shell (2), a plurality of clamping grooves (13) are formed in the pair of fixing pieces (12), a baffle (7) is installed inside the clamping shell (2), the baffle (7) is attached to the clamping shell (2), a water pipe (8) is installed inside the baffle (7), a rubber ring (6) is installed at one end inside the connecting joint (1), threads are arranged inside the rubber ring (6), gear rings (5) are installed at two ends inside the rubber ring (6), and the gear rings (5) are clamped with the rubber ring (6), a pair of bolts (3) are transversely installed in the fixing pieces (12), and the bolts (3) penetrate through the clamping grooves (13) and extend to the outside.

2. The flexible waterproof connecting joint for underground continuous walls as claimed in claim 1, wherein a pair of bolts (4) are longitudinally mounted on each of the pair of fixing members (12), a pair of through holes are formed in each of the bolts (3), and each of the pair of bolts (4) penetrates through the through hole.

3. The flexible waterproof connection joint of underground diaphragm wall according to claim 2, characterized in that the surface of a pair of bolts (4) is provided with external threads, and the external threads of the bolts (4) are engaged with the internal threads of the through hole.

4. A flexible waterproof connection joint for underground diaphragm walls according to claim 1, characterized in that the water pipe (8) is internally provided with screw threads, and the screw threads in the water pipe (8) are engaged with the screw threads in the rubber ring (6).

5. A flexible waterproof connecting joint for underground diaphragm walls according to claim 1, characterized in that the inside of the card casing (2) is provided with an anti-corrosion layer (9), the inside of the anti-corrosion layer (9) is provided with a reinforcing layer (10), and the inside of the reinforcing layer (10) is provided with a waterproof layer (11).

6. The flexible waterproof connecting joint of underground continuous walls as claimed in claim 5, wherein the thickness h1 of the corrosion-proof layer (9) satisfies h1 > 60 μm, and the surface of the corrosion-proof layer (9) is sprayed with nano corrosion-proof paint.

7. Flexible watertight coupling joint for underground diaphragm walls according to claim 5, characterized in that the reinforcing layer (10) is internally filled with UV curable resin.

8. The flexible waterproof connecting joint of underground continuous walls according to claim 5, wherein the waterproof layer (11) is internally filled with a one-component polyurethane waterproof coating film, the thickness of the waterproof layer (11) is 3 μm, and the surface of the waterproof layer (11) is provided with air holes.