CN213089082U

CN213089082U - Ratchet quick-assembling joint for large-diameter pipeline

Info

Publication number: CN213089082U
Application number: CN202021330790.7U
Authority: CN
Inventors: 邱强生; 林根发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-30
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a heavy-calibre pipeline ratchet quick-assembling connects, including connecting main part, seal structure and setting up the rack sleeve at the pipe connection end, connect main part interface end to set up a plurality of ratchet structures, rack sleeve axial surface is equipped with a plurality of racks, and the ratchet structure includes a plurality of ratchets, and during the cartridge, ratchet and rack mesh mutually. The utility model provides a heavy-calibre pipeline ratchet quick-assembling connects adopts ratchet and rack engaged with structure, simple to operate, and automatic hasp has effectively reduced the activity duration and the operation degree of difficulty of site operation. The sealing adopts compression type sealing, the sealing performance of the pipeline is good, and higher pressure can be borne. Compact structure, stable performance and fast improvement of field operation efficiency.

Description

Ratchet quick-assembling joint for large-diameter pipeline

Technical Field

The utility model relates to a pipeline quick-assembling connects specifically is a heavy-calibre pipeline ratchet quick-assembling connects.

Background

At present, the connection mode aiming at the large-caliber pipeline comprises the following modes:

the butt welding type pipeline connection is usually used for metal pipelines with the nominal size DN being more than or equal to 125, the welding port of the butt welding pipeline is rounded, the port is guaranteed to be vertical and flat without cracks, then a groove is formed at the welding position of the pipeline, two pipes are aligned, the axis deviation is prevented, the two pipes are firstly symmetrically fixedly welded and then circularly welded, the welding strictly follows the welding construction requirement of the Standard, and polishing treatment is carried out after the welding is finished. The welding process has the advantages of no need of using an intermediate joint, direct welding, low cost and stable performance. However, the structure cannot be disassembled and replaced, the welding process requirement is high, and the operation difficulty is high.

The flange welding pipeline connection comprises an upper flange cover, a lower flange cover, a flange sealing gasket and a bolt sleeve. The locking flange is welded at the end of the pipeline to ensure that the end of the pipeline is vertical and flat without cracks, the locking flange is firstly welded symmetrically and then welded circularly, the welding is strict, and after the welding is finished, polishing treatment is carried out, so that the locking flange must meet the national acceptance standard of ultrasonic detection technical regulations for welded joints of pipelines. Two welded pipelines of the locking flange are connected through a bolt hole reserved in the flange, and a flange sealing gasket is compressed. The performance is stable, can dismantle the pipeline of installation. However, the structure has high requirements on the welding process of the flange, seamless welding is required, and the butt joint needs to be connected and tensioned through a plurality of bolts.

Groove type staple bolt pipe connection is including last staple bolt, lower staple bolt, saddle type are sealed to be filled up, and the bolt external member rolls the pipeline that has the slot. The two ends of the upper anchor ear and the lower anchor ear are provided with inner edges which are fully enclosed and embedded in the grooves of the two pipes, and the middle of the upper anchor ear and the lower anchor ear are concave and wrapped to tightly press the saddle-shaped sealing gasket. And connecting and tensioning the upper and lower hoops by using a bolt sleeve. The performance is stable, can dismantle the pipeline of installation. However, due to the structure, the hoop needs to be tensioned and connected through a plurality of bolts, the field installation is complex, and efficient operation cannot be achieved.

Therefore, how to solve the above problems is a problem to be solved urgently.

Disclosure of Invention

The utility model provides a to above technical problem, provide a heavy-calibre pipeline ratchet quick-assembling joint, adopt ratchet and rack engaged with structure, simple to operate, automatic hasp has effectively reduced the activity duration and the operation degree of difficulty of site operation. The sealing adopts compression type sealing, the sealing performance of the pipeline is good, and higher pressure can be borne. Compact structure, stable performance and fast improvement of field operation efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the ratchet quick coupler for the large-diameter pipeline comprises a coupler body, a sealing structure and a rack sleeve arranged at the end of the pipeline connecting end, wherein a plurality of ratchet structures are arranged at the interface end of the coupler body, a plurality of racks are arranged on the axial outer surface of the rack sleeve, each ratchet structure comprises a plurality of ratchets, and the ratchets are meshed with the racks during cartridge installation. The structure that adopts ratchet and rack to mesh mutually, simple to operate, automatic hasp has effectively reduced the activity duration and the operation degree of difficulty of site operation.

The plurality of racks are further ring teeth which are arranged in a plurality of axial directions. The circular ring teeth are directly processed on the rack sleeve, and the rack sleeve is easy to manufacture and assemble.

Further ratchet structure is located and is connected between the supporting edge in pairs on the interface end cylinder surface of joint main part, and it still includes torsional spring and cylindric lock, and the cylindric lock runs through the ratchet setting and supports the edge in pairs, and the ratchet both sides set up the torsional spring respectively, and every torsional spring is connected with ratchet and supporting edge respectively, and the installation back torsional spring is the state that compresses tightly. The torsional spring is used for storing elastic potential energy of the ratchets always pointing to the axis, and the device is simple in structure and convenient to install. During installation, the pipeline is coaxially pushed into the joint main body, the rack sleeve pushes the ratchet to overcome the constant elasticity of the torsion spring to be meshed with the circular rack in a bouncing mode, and when the ratchet is meshed with one tooth position, the ratchet is pulled forward for a certain distance until the pipeline is pushed to the preset position.

Furthermore, each interface end of the joint main body is sequentially provided with a limit step, a sealing step and a ratchet fixing position from inside to outside, and the end surface of the pipeline is abutted against the limit step; the sealing structure is pressed on the sealing step and respectively generates sealing with the inner wall of the connector end of the connector main body and the outer circumferential surface of the pipeline; the ratchet structure is located the ratchet fixed position, and the ratchet fixed position is equipped with the through-hole of ratchet.

The limiting step is arranged at each interface end of the joint main body, the pipeline is coaxially inserted into the joint main body and is attached to the inner wall of the limiting step, the pipe and the joint port are coaxial, and the gravity of the pipe body and the fluid in the pipe is borne. A special sealing step is set at the interface end of the joint main body, so that the sealing structure is convenient to position and mount, and the maintenance and the use of the sealing structure are convenient. The ratchet is meshed with the circular rack of the rack sleeve through the through hole.

And the sealing structure comprises a compression sealing piece and a pressing ring, the compression sealing piece is provided with a deformation groove and a compression inclined surface, the pressing ring is provided with a pushing inclined surface, when the pipeline is inserted into the interface end of the joint main body, the rack sleeve pushes the pressing ring, the pushing inclined surface is tightly attached to the compression inclined surface on the compression sealing piece, and the compression sealing piece radially contracts to extrude the outer circumferential surface of the pipeline to generate sealing. When the pipeline is coaxially inserted into the interface end of the joint main body, the rack sleeve pushes the top pressing ring, the pushing inclined plane is tightly attached to the pressing inclined plane on the pressing sealing element, the pressing sealing element is forced to radially contract, and the outer circumferential surface of the pipeline is pressed to generate sealing. The sealing adopts compression type sealing, the sealing performance of the pipeline is good, and higher pressure can be borne. Compact structure, stable performance and fast improvement of field operation efficiency.

Further, a stainless steel gasket is arranged between the rack sleeve and the jacking ring, and the stainless steel gasket is provided with an elastic gap. The stainless steel shim serves to prevent damage to the plastic top ring during rotation of the flanged sleeve.

Compared with the prior art, the utility model have following technical advantage:

1. the structure that the ratchet is meshed with the rack is adopted, the installation is convenient, the locking is automatic, and the operation time and the operation difficulty of site construction are effectively reduced;

2. the sealing adopts compression type sealing, the sealing performance of the pipeline is good, and higher pressure can be borne;

3. the structure is compact, the performance is stable, and the field operation efficiency is rapidly improved;

4. the ratchet structure can bear large drawing force which is higher than the drawing force standard of 'installation of thin-wall pipeline for water supply in building', and the drawing force which can be borne by the joint can be increased by changing the thickness of the sleeve according to the requirements of use occasions.

Drawings

FIG. 1 is a single-sided cross-sectional exploded view of an embodiment of the present invention;

FIG. 2 is a perspective view of the connector body of FIG. 1;

FIG. 3 is a perspective view of the rack sleeve of FIG. 1 after installation;

FIG. 4 is an assembled view and an exploded view of the seal of FIG. 1;

fig. 5 is an exploded perspective view of fig. 4.

In the figure: the joint comprises a joint body A, a sealing structure B, a ratchet structure C, a limiting step A1, a sealing step A2, a ratchet fixing position A3, a supporting edge A11, a through hole A12, a fixing hole A111, a ratchet 1, a pressing sealing element 2, a pressing ring 3, a stainless steel gasket 4, a rack sleeve 6, a pipeline 9, a groove 11, a deformation groove 21, a pressing inclined surface 22, a torsion spring 23, a cylindrical pin 24, a clamp spring 25, a pressing inclined surface 31 and an elastic notch 41.

Detailed Description

The invention will be described in further detail below with reference to embodiments shown in the drawings.

As shown in fig. 1 to 5, the utility model discloses a large-diameter pipeline ratchet quick-assembling joint, as shown in fig. 1/2, including connecting main part A, seal structure B and setting up the rack sleeve 6 at the 9 links of pipeline, connect main part A interface end to set up a plurality of ratchet structures C, 6 axial surfaces of rack sleeve are equipped with a plurality of racks 61, and a plurality of racks 61 are the ring tooth that a plurality of levels axial set up. The ratchet structure C is provided with four ratchet teeth 1 in a pressing state, and when the ratchet teeth 1 are inserted, the ratchet teeth 1 are meshed with the rack 61.

As shown in fig. 1/2, the ratchet structure C is disposed between four paired support edges a11 which are symmetric with each other, on the cylindrical surface of the joint end of the joint main body a, and includes four ratchets 1, eight torsion springs 23, and four cylindrical pins 24, the cylindrical pins 24 penetrate through the ratchets 1 and are fixed on the paired support edges a11, and two ends of the cylindrical pins 24 are fixed in a limiting manner by snap springs 25. Torsion springs 23 are respectively arranged on two sides of the ratchet 1, one side of each torsion spring 23 is pressed in the groove 11 of the ratchet 1, the other side of each torsion spring 23 penetrates through a fixing hole A111 on a supporting side A11, and the torsion springs 23 are in a pressing state after being installed, so that the ratchet 1 always points to the axis; as shown in fig. 3, the rack sleeve 6 is fixedly welded to the pipe 9. During installation, the pipeline is coaxially pushed into the joint main body, the rack sleeve pushes the ratchet to overcome the constant elasticity of the torsion spring to be meshed with the circular rack in a bouncing mode, and when the ratchet is meshed with one tooth position, the ratchet is pulled forward for a certain distance until the pipeline is pushed to the preset position.

As shown in fig. 1/2, each interface end of the joint main body a is sequentially provided with a limit step a1, a sealing step a2 and a ratchet fixing position A3 from inside to outside, and the end surface of the pipeline 9 is abutted against the limit step a 1; the sealing structure B is pressed on the sealing step A2 and respectively generates sealing with the inner wall of the joint end of the joint main body A and the outer circumferential surface of the pipeline 9; the ratchet structure C is positioned at a ratchet fixing position A3, and the ratchet fixing position A3 is provided with a through hole A12 of the ratchet 1.

As shown in fig. 1/4/5, the sealing structure B includes a compression sealing member 2 and a pressing ring 3, the compression sealing member 2 is provided with a deformation groove 21 and a compression inclined surface 22, the pressing ring 3 is provided with a pressing inclined surface 31, when the pipe 9 is inserted into the interface end of the joint body a, the rack sleeve 6 presses the pressing ring 3, the pressing inclined surface 31 clings to the compression inclined surface 22 on the compression sealing member 2, and the compression sealing member 2 radially contracts to press the outer circumferential surface of the pipe 9 to generate sealing.

As shown in fig. 4/5, a stainless steel gasket 4 is arranged between the rack sleeve 6 and the top pressure ring 3, and the stainless steel gasket 4 is provided with an elastic gap 41. The stainless steel gasket has the effect that the plastic top pressing ring cannot be damaged when the rack sleeve rotates. During installation, the sealing structure is sequentially installed in the sealing step A2 on the joint main body A, and the compression sealing element 2 is a silica gel element and can be directly installed. The top pressing ring 3 is a plastic piece and has certain elasticity, the top pressing ring 3 is pressed forcibly during installation to be elastically deformed and installed, and the stainless steel gasket 4 is provided with an elastic notch 41 which is contracted during installation. After installation, the seal structure and the connector body form an assembly.

When the pipeline is coaxially inserted into the interface end of the joint main body, the rack sleeve pushes the top pressing ring, the pushing inclined plane is tightly attached to the pressing inclined plane on the pressing sealing element, the pressing sealing element is forced to radially contract, and the outer circumferential surface of the pipeline is pressed to generate sealing. The sealing adopts compression type sealing, the sealing performance of the pipeline is good, and higher pressure can be borne. Compact structure, stable performance and fast improvement of field operation efficiency.

To sum up, the present invention, as described in the specification and the drawings, is made into a practical sample and tested by multiple use, and from the test result, it is proved that the utility model can achieve the intended purpose, and the practicability is undoubted. The above-mentioned embodiments are merely provided for convenience of illustration of the present invention and are not intended to be limiting in form; any person skilled in the art can make local changes or modifications without departing from the scope of the present invention and the technical features and similar features disclosed in the present invention, and all equivalent embodiments using the technical content disclosed in the present invention belong to the protection scope of the present invention.

Claims

1. The utility model provides a heavy-calibre pipeline ratchet quick-assembling joint, includes joint main part (A), seal structure (B) and sets up rack sleeve (6) at pipeline (9) link, its characterized in that: the joint is characterized in that a plurality of ratchet structures (C) are arranged at the joint end of the joint main body (A), a plurality of racks (61) are arranged on the outer surface of the rack sleeve (6) in the axial direction, each ratchet structure (C) comprises a plurality of ratchets (1), and the ratchets (1) are meshed with the racks (61) during insertion.

2. A large diameter pipe ratchet quick coupler as claimed in claim 1 wherein the plurality of racks (61) are a plurality of axially disposed stages of annular teeth.

3. The large-caliber pipeline ratchet quick coupler as claimed in claim 1, wherein the ratchet structure (C) is arranged between paired supporting edges (A11) on the cylindrical surface of the joint end of the coupler body (A), the large-caliber pipeline ratchet quick coupler further comprises a torsion spring (23) and a cylindrical pin (24), the cylindrical pin (24) penetrates through the ratchet (1) and is arranged on the paired supporting edges (A11), the torsion springs (23) are respectively arranged on two sides of the ratchet (1), each torsion spring (23) is respectively connected with the ratchet (1) and the supporting edge (A11), and the torsion spring (23) is in a compression state after installation.

4. The ratchet quick-assembling joint for the large-caliber pipes as claimed in claim 1, wherein each joint end of the joint body (A) is provided with a limit step (A1), a sealing step (A2) and a ratchet fixing position (A3) from inside to outside in sequence, and the end surface of each pipe (9) is abutted against the limit step (A1); the sealing structure (B) is pressed on the sealing step (A2) and respectively generates sealing with the inner wall of the joint end of the joint main body (A) and the outer circumferential surface of the pipeline (9); the ratchet structure (C) is positioned at a ratchet fixing position (A3), and the ratchet fixing position (A3) is provided with a through hole (A12) of the ratchet (1).

5. The ratchet quick coupler for the large-caliber pipeline as claimed in any one of claims 1 to 4, wherein the sealing structure (B) comprises a compression sealing element (2) and a top pressure ring (3), the compression sealing element (2) is provided with a deformation groove (21) and a compression inclined surface (22), the top pressure ring (3) is provided with a pushing inclined surface (31), when the pipeline (9) is inserted into the connector end of the coupler body (A), the rack sleeve (6) pushes the top pressure ring (3), the pushing inclined surface (31) is tightly attached to the compression inclined surface (22) on the compression sealing element (2), and the compression sealing element (2) radially contracts to extrude the outer circumferential surface of the pipeline (9) to generate sealing.

6. The ratchet quick coupler for the large-caliber pipeline as claimed in claim 5, wherein a stainless steel gasket (4) is arranged between the rack sleeve (6) and the top pressing ring (3), and the stainless steel gasket (4) is provided with an elastic notch (41).