Pipeline interface splicing device

Abstract

The invention discloses a pipeline interface splicing device, which belongs to the technical field of pipeline splicing and comprises a ring body, the cross section of the ring body is T-shaped, the side wall of the vertical end of the ring body is inserted between two pipelines to be spliced, and the inner ring surface of the transverse side wall of the ring body is attached to the two pipelines to be spliced; the two sealing assemblies are symmetrically distributed on the two sides of the vertical side wall of the ring body; wherein a plurality of bolts are rotationally installed on the ring body, the bolts are rotated, the two sealing assemblies move oppositely at the same time and abut against two to-be-spliced pipelines correspondingly, multi-direction attaching sealing is achieved on the end faces and the inner ring faces of the pipelines, and the abutting force is further improved through mutual cooperation of the elastic pieces, the supporting pieces, the elastic plates and the like; and the end face and the inner ring face of the pipeline can be attached more tightly.

Description

Technical Field

[0001] The present invention relates to the technical field of pipeline splicing, and in particular to a pipeline interface splicing device. Background Art

[0002] In the field of pipeline laying and connection, the sealing performance of pipe interfaces and the ease of splicing operations are key to ensuring the stable operation of pipeline systems. Currently, most existing pipe interface splicing devices can only achieve a single-direction seal on the pipeline, for example, sealing only the outer annular surface or end face of the pipeline, ignoring the gap between the inner annular surface of the pipeline and the splicing device. This results in incomplete sealing surface coverage and is prone to leakage risks due to pressure fluctuations or media erosion.

[0003] At the same time, the sealing structure of the existing device has insufficient tightening force, and the seals are mostly made of rigid or low-elasticity materials, which make it difficult to adapt to the slight deformation of the pipeline caused by temperature changes and installation errors. When the pipeline is slightly deformed, the fit between the seal and the pipeline surface decreases, further exacerbating the risk of leakage.

[0004] In order to solve the above problems, the present invention provides a pipeline interface splicing device. Summary of the Invention

[0005] In response to the above-mentioned technical deficiencies, the purpose of the present invention is to provide a pipeline interface splicing device, which can achieve multi-directional fitting and sealing of the pipeline end face and inner ring surface, and further enhance the clamping force through the cooperation of elastic parts, support parts, spring plates, etc., so that it can fit more closely with the end face and inner ring surface of the pipeline.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solution: The present invention provides a pipeline interface splicing device, comprising: A ring body, wherein the cross section of the ring body is in a T-shape, and the vertical end side wall is inserted between the two pipes to be spliced, and the inner annular surface of the transverse side wall is in contact with the two pipes to be spliced; Two sealing assemblies, the two sealing assemblies being symmetrically distributed on both sides of the vertical side wall of the ring body; Wherein, a plurality of bolts are rotatably mounted on the ring body. When the bolts are rotated, the two sealing assemblies move back to back at the same time, respectively pressing against the two pipelines to be spliced.

[0007] Preferably, the sealing assembly comprises: A base, wherein the base is in an L-shape; Two fitting parts, the two fitting parts are respectively fixedly mounted on the side surfaces of the vertical side wall and the horizontal side wall of the base close to each other; When the sealing assembly presses against the pipeline to be spliced, the fitting portion on the vertical side wall of the base presses against the end face of the pipeline, and the fitting portion on the horizontal side wall of the base presses against the inner annular surface of the pipeline.

[0008] Preferably, the fitting part comprises: a base plate, which is fixedly installed at one end of the base away from the corner thereof; a pressing plate, one end of which is fixedly connected with the base plate and the other end of which is a floating end and extends towards the corner of the base, the pressing plate being made of elastic material.

[0009] Preferably, the pressing plate is in the shape of a circular arc and protrudes towards the pipe wall of the pipeline to be spliced.

[0010] Preferably, the sealing assembly further comprises a reinforcing part, which is installed between the base and the pressing plate and serves to increase the pressing force of the pressing plate against the pipeline to be spliced.

[0011] Preferably, the reinforcing part comprises: two elastic members, which are respectively fixedly installed on the side of the horizontal sidewall and the vertical sidewall of the base that are close to each other and are fixedly connected with the corresponding pressing plate; a support member, which is installed at the corner of the base and is connected with the two elastic members.

[0012] Preferably, the support member comprises: an elastic ring, which is fixedly connected with the horizontal sidewall and the vertical sidewall of the base; two support rods, one end of each of which is fixedly connected with the elastic member and the other end of each of which is fixedly connected with the elastic ring.

[0013] Preferably, the floating ends of the two pressing plates are fixedly connected with a spring plate, which is in the shape of an arch, two arch feet of the spring plate are fixedly connected with the two pressing plates, and the arch top presses against the elastic ring.

[0014] Preferably, the two side faces of the vertical sidewall of the ring body are respectively provided with installation grooves for installing the sealing assembly, the two installation grooves are communicated through a plurality of communication grooves, an extrusion block is slidably installed in the communication grooves, the extrusion block is threadedly connected with the corresponding bolt, the extrusion block is in the shape of a trapezoid with a narrow inside and a wide outside, and the sealing assembly is provided with a bevel that is matched with the extrusion block.

[0015] Preferably, a spring is connected between the sealing assembly and the groove wall of the corresponding installation groove.

[0016] The present application has the following advantages: The present invention realizes multi-directional fitting sealing of the end face and inner ring surface of the pipeline through the arrangement of the base and the clamping plate. At the same time, the elastic parts, support parts, spring plates, etc. cooperate with each other to further enhance the clamping force, which can fit more closely with the end face and inner ring surface of the pipeline. Compared with the single-direction sealing or insufficient clamping force structure in the prior art, it can effectively reduce the risk of leakage and significantly improve the sealing reliability.

[0017] The present invention realizes that the bolt drives the trapezoidal extrusion block to slide through the arrangement of bolts and extrusion blocks, and can synchronously drive the two sealing components to move back to each other to achieve tightening, and cooperates with the spring to assist in resetting. Compared with the existing technology that requires adjusting the sealing structures on both sides separately, the installation and disassembly process is simplified and the operating efficiency is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic structural diagram of a pipeline interface splicing device provided in an embodiment of the present invention.

[0020] Figure 2 It is a schematic diagram of the use state of the present invention.

[0021] Figure 3 It is a top view of the present invention.

[0022] Figure 4 It is a partial cross-sectional view of the ring body of the present invention (first perspective).

[0023] Figure 5 It is a partial cross-sectional view of the ring body of the present invention (second perspective).

[0024] Figure 6 For the present invention Figure 5 Exploded diagram.

[0025] Figure 7 It is a partial cross-sectional view of the base, substrate and abutment plate of the present invention.

[0026] Description of reference numerals: 1. Ring body, 2. Bolt, 3. Base, 4. Base plate, 5. Clamping plate, 6. Elastic member, 7. Elastic ring, 8. Support rod, 9. Spring plate, 10. Mounting groove, 11. Connecting groove, 12. Extrusion block, 13. Spring. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The present invention provides a pipeline interface splicing device, such as Figures 1 to 7 shown.

[0029] Example 1: A pipeline interface splicing device includes a ring body 1, which is installed on the pipeline to be spliced ​​by means of a tightening screw provided thereon. The cross-section of the ring body 1 is "T"-shaped, and its vertical end side wall is inserted between the two pipelines to be spliced. The inner annular surface of the horizontal side wall is in contact with the outer walls of the two pipelines to be spliced. Two sealing assemblies are symmetrically distributed on both sides of the vertical end side wall of the ring body 1. A plurality of bolts 2 are also rotatably installed on the ring body 1, and the plurality of bolts 2 are distributed along the circumference of the ring body 1. Each sealing assembly includes an "L"-shaped base 3, and two fitting parts are fixedly installed on the side surfaces of the vertical side wall and the horizontal side wall of the base 3 that are close to each other.

[0030] The fitting part consists of a base plate 4 and a clamping plate 5. The base plate 4 is fixedly mounted on one end of the base 3 away from its corner. One end of the clamping plate 5 is a fixed end fixedly connected to the base plate 4, and the other end is a floating end extending toward the corner of the base 3. The clamping plate 5 is made of elastic material, has an arc shape and protrudes toward the wall of the pipeline to be spliced.

[0031] When it is necessary to seal the pipeline interface, rotate the multiple bolts 2 installed on the ring body 1 clockwise, and the bolts 2 will drive the two sealing components to move back to back at the same time. At this time, the clamping plate 5 on the vertical side wall of the base 3 presses against the end face of the pipeline, and the clamping plate 5 on the horizontal side wall presses against the inner annular surface of the pipeline. The elasticity and arc-shaped structure of the clamping plate 5 are used to achieve a close fit with the pipeline surface, thereby realizing sealing and connection.

[0032] Example 2: On the basis of Example 1, in order to make the pressing plate 5 and the pipeline to be spliced ​​fit more tightly, a reinforcement part is added to the sealing assembly. The reinforcement part is installed between the base 3 and the pressing plate 5 to enhance the pressing force of the pressing plate 5 on the pipeline. The reinforcement part includes two elastic members 6 and a support member. The two elastic members 6 are respectively fixedly installed on the side surface where the lateral side wall and the vertical side wall of the base 3 are close to each other, and are fixedly connected to the corresponding pressing plate 5. The support member is installed at the corner of the base 3 and consists of an elastic ring 7 and two support rods 8. The elastic ring 7 is respectively fixedly connected to the lateral side wall and the vertical side wall of the base 3. One end of the two support rods 8 is respectively fixedly connected to the two elastic members 6, and the other end is fixedly connected to the elastic ring 7.

[0033] A spring plate 9 is fixedly connected between the floating ends of the two abutting plates 5 . The spring plate 9 is arched, and its two arch feet are respectively fixedly connected to the two abutting plates 5 , and the arch top abuts the elastic ring 7 .

[0034] The cross section of the elastic member 6 is elliptical, with its major axis located between the base 3 and the corresponding abutting plate 5 , and the support rod 8 is fixedly connected to the end point of the minor axis of the elastic member 6 .

[0035] When the sealing assembly presses against the pipeline, the elastic member 6, supported by the base 3, applies an initial pressing force to the pressing plate 5. This pressing force shortens the long axis of the elastic member 6, while lengthening its short axis. At this point, the elastic ring 7 supports the elastic member 6 via the support rod 8, stabilizing the elastic force of the elastic member 6. The pressing plate 5 deforms under the force, driving the spring plate 9 to squeeze the elastic ring 7. The pressing force generated by the elastic member 6 pressing against the elastic ring 7 via the support rod 8 is then transmitted to the pressing plate 5 via the spring plate 9, further strengthening the contact between the pressing plate 5 and the pipeline surface. The synergistic effect of these multiple components significantly enhances sealing performance.

[0036] Example 3: Mounting grooves 10 are respectively provided on both side surfaces of the vertical side wall of the ring body 1. The two sealing components are respectively installed in the corresponding mounting grooves 10, and the two mounting grooves 10 are communicated by multiple connecting grooves 11. An extrusion block 12 is slidably installed inside the connecting groove 11. The extrusion block 12 is threadedly connected to the corresponding bolt 2. The extrusion block 12 is trapezoidal with a narrow inside and a wide outside. The side of the extrusion block 12 away from the pipeline axis is the outer side. The sealing component is provided with an inclined surface adapted to the extrusion block 12. A spring 13 is connected between the sealing component and the groove wall of the corresponding mounting groove 10. One end of the spring 13 is fixedly connected to the groove wall of the corresponding mounting groove 10, and the other end is fixedly connected to the corresponding extrusion block 12.

[0037] When performing a pipe splicing operation, the bolt 2 is turned clockwise, which drives the extrusion block 12 to slide within the connecting groove 11. Since the extrusion block 12 is trapezoidal and has an adaptive slope on the sealing component, the sliding of the extrusion block 12 will generate an outward thrust on the two sealing components, causing the two sealing components to move away from each other along the installation groove 10 and press against the pipe. At this time, the spring 13 is stretched and stores elastic potential energy. When disassembly is required, the bolt 2 is turned counterclockwise, and the thrust of the extrusion block 12 on the sealing component is reduced. The spring 13 releases the elastic potential energy and pulls the sealing component toward the inside of the installation groove 10 to achieve a quick reset. The entire process simplifies the installation and disassembly process through the coordinated action of the bolt 2, extrusion block 12 and spring 13.

[0038] Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such changes and modifications fall within the scope of the claims and their equivalents, the present invention is intended to include such changes and modifications.

Claims

1. A pipe interface splicing device, characterized in that: include: A ring body (1), wherein the cross-section of the ring body (1) is in a "T" shape, and the vertical end side wall is inserted between two pipes to be spliced, and the inner annular surface of the transverse side wall is in contact with the two pipes to be spliced; Two sealing assemblies, the two sealing assemblies being symmetrically distributed on both sides of the vertical side wall of the ring body (1); Wherein, a plurality of bolts (2) are rotatably mounted on the ring body (1); when the bolts (2) are rotated, the two sealing assemblies simultaneously move in opposite directions, respectively pressing against the two pipelines to be spliced.

2. A pipe interface splicing device according to claim 1, characterized in that: The sealing assembly comprises: A base (3), wherein the base (3) is in an "L" shape; Two fitting parts, the two fitting parts are respectively fixedly mounted on a side surface of the vertical side wall and the horizontal side wall of the base (3) close to each other; When the sealing assembly is pressed against the pipeline to be spliced, the fitting portion on the vertical side wall of the base (3) presses against the end face of the pipeline, and the fitting portion on the horizontal side wall of the base (3) presses against the inner annular surface of the pipeline.

3. A pipe interface splicing device according to claim 1, characterized in that: The laminating portion includes: A substrate (4), the substrate (4) being fixedly mounted on one end of the base (3) away from a corner thereof; A clamping plate (5), one end of the clamping plate (5) is a fixed end fixedly connected to the base plate (4), and the other end is a floating end and extends toward the corner of the base (3), and the material of the clamping plate (5) is an elastic material.

4. A pipe interface splicing device according to claim 3, characterized in that: The abutting plate (5) is in the shape of an arc and protrudes toward the pipe wall of the pipe to be spliced.

5. A pipe interface splicing device according to claim 4, characterized in that: The sealing assembly further comprises a reinforcing portion, which is installed between the base (3) and the pressing plate (5) and is used to increase the pressing force of the pressing plate (5) against the pipeline to be spliced.

6. A pipe interface splicing device according to claim 5, characterized in that: The reinforcement portion includes: Two elastic members (6), the two elastic members (6) are respectively fixedly mounted on a side surface of the base (3) where the transverse side wall and the vertical side wall are close to each other, and are fixedly connected to the corresponding abutting plates (5); A support member is installed at a corner of the base (3), and the support member is respectively connected to the two elastic members (6).

7. A pipe interface splicing device according to claim 6, characterized in that: The support member comprises: an elastic ring (7), the elastic ring (7) being fixedly connected to the transverse side wall and the vertical side wall of the base (3); Two support rods (8), one end of each of the two support rods (8) is fixedly connected to the two elastic members (6), and the other end is fixedly connected to the elastic ring (7).

8. A pipe interface splicing device according to claim 7, characterized in that: A spring plate (9) is fixedly connected between the floating ends of the two abutting plates (5). The spring plate (9) is in an arch shape, and its two arch feet are respectively fixedly connected to the two abutting plates (5), and the arch top abuts the elastic ring (7).

9. The pipeline interface splicing device according to claim 1, characterized in that: Mounting grooves (10) for mounting the sealing assembly are respectively provided on both side surfaces of the vertical side wall of the ring body (1), and the two mounting grooves (10) are communicated with each other through a plurality of connecting grooves (11). An extrusion block (12) is slidably installed inside the connecting groove (11), and the extrusion block (12) is threadedly connected to the corresponding bolt (2). The shape of the extrusion block (12) is a trapezoid with a narrow inside and a wide outside. The sealing assembly is provided with an inclined surface adapted to the extrusion block (12).

10. A pipe interface splicing device according to claim 9, characterized in that: A spring (13) is connected between the sealing assembly and the groove wall of the corresponding installation groove (10).

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