Pressure pipeline connecting piece

Abstract

The utility model provides a pressure pipeline connecting piece, and relates to the technical field of pipeline connecting pieces, the pressure pipeline connecting piece comprises a first connecting pipe and a second connecting pipe, a corrugated hose is fixedly connected between the first connecting pipe and the second connecting pipe, one side of the first connecting pipe is provided with a buffer assembly, the buffer assembly comprises a plurality of rotating rods, and the rotating rods are fixedly connected with the corrugated hose. A rotating rod is arranged between the first connecting pipe and the second connecting pipe, one end of the rotating rod is rotationally connected with one side of the second connecting pipe, a plurality of L-shaped grooves are formed in the outer surface of the first connecting pipe, and an L-shaped block is fixedly connected to the side, close to the L-shaped grooves, of the outer surface of the first connecting pipe. And the angle between the first connecting pipe and the second connecting pipe is limited through the spring and the rotating rod on one side of the L-shaped block, so that the use stability of the first connecting pipe and the second connecting pipe after connection with the pressure pipeline is completed is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connecting piece technical field especially pressure pipeline connecting piece. BACKGROUND

[0002] Pressure pipeline refers to all the pipeline that bears internal pressure or external pressure, and it is a part of the pipeline, which is used to transport, distribute, mix, separate, discharge, measure, control and prevent fluid flow, and is composed of pipe, pipe fitting, flange, bolt connection, gasket, valve, other components or pressure parts and supporting parts, and the pipeline connecting piece is used to connect two disconnected pressure pipelines.

[0003] When the connecting piece connects the two sides of the pressure pipeline, the internal and external pressures of the two sides of the pipeline are different, which causes different directions of force on the connecting piece and the pipeline connection or the surface of the connecting piece due to the different pressures at both ends during use, resulting in loosening and cracking of the connecting piece at the connection with the pressure pipe under the long-term action of different directions of force, affecting the stability of the connecting piece and the pressure pipe connection. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that when the connecting piece connects the two sides of the pressure pipeline, the internal and external pressures of the two sides of the pipeline are different, which causes different directions of force on the connecting piece and the pipeline connection or the surface of the connecting piece due to the different pressures at both ends during use, resulting in loosening and cracking of the connecting piece at the connection with the pressure pipe under the long-term action of different directions of force, affecting the stability of the connecting piece and the pressure pipe connection.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure pipeline connecting piece, comprising a first connecting pipe and a second connecting pipe, one end of the first connecting pipe and the second connecting pipe is provided with a flange for connecting the pressure pipeline, a corrugated hose is fixedly connected between the first connecting pipe and the second connecting pipe, and a buffer assembly for buffering the displacement of the first connecting pipe and the second connecting pipe in different directions is arranged on one side of the first connecting pipe.

[0006] Preferably, the buffer assembly comprises a plurality of rotating rods, one end of the rotating rod is rotatably connected to one side of the second connecting pipe, a plurality of L-shaped grooves are formed in the outer surface of the first connecting pipe, an L-shaped block is fixedly connected to one side of the first connecting pipe close to the L-shaped groove, the number of the L-shaped block, the L-shaped groove and the rotating rod is the same, one end of the rotating rod away from the second connecting pipe is located in the L-shaped groove on the same horizontal line, one side of the L-shaped block is provided with a spring, and the upper and lower ends of the spring are fixedly connected to one side of the L-shaped block and one side of the rotating rod respectively.

[0007] The effect achieved by the above-mentioned components is that when the two pressure pipes are connected by the connecting piece through the connecting of the flanges at one end of the two pressure pipes with the flanges at one end of the first and second connecting pipes, if the first and second connecting pipes are subjected to different forces in different directions and are displaced in different directions when the pressure pipes outside the first and second connecting pipes are subjected to different pressures, the corrugated hose will be twisted and deformed, and the plurality of rotating rods on one side of the second connecting pipe will rotate slightly on one side of the second connecting pipe, and the other end will slide on the inner wall of the L-shaped groove in a direction away from the force and compress the spring, so that the angle between the first and second connecting pipes can be slightly offset, and after the force disappears, the spring returns to its original state and pushes the rotating rod back to its original position, so that the first and second connecting pipes remain unchanged.

[0008] Preferably, the outer surface of the L-shaped block is provided with a through hole, and one end of the rotating rod fixedly connected inside the L-shaped groove is provided with a circular rod, and the diameter of the circular rod is smaller than the inner diameter of the through hole.

[0009] The effect achieved by the above-mentioned components is that when the rotating rod rotates, the circular rod at one end will move inside the through hole, and the maximum rotation angle of the circular rod and the rotating rod and the deflection amount of the first and second connecting pipes can be limited through the through hole.

[0010] Preferably, one end of the rotating rod is fixedly connected with a T-shaped block, and the inner wall of the L-shaped block is provided with a T-shaped groove, and the T-shaped block is a rubber block made of rubber material.

[0011] The effect achieved by the above-mentioned components is that when the rotating rod rotates, the T-shaped block will move inside the T-shaped groove and the end close to the rotating rod will slightly deform, and the position of the rotating rod inside the L-shaped groove can be further limited by the rubber T-shaped block, so as to avoid the left and right deflection of the angle of the rotating rod as much as possible.

[0012] Preferably, the first and second connecting pipes are respectively fixedly connected with a reinforcing ring on the side close to the corrugated hose, and the reinforcing ring is located outside the connection between the first and second connecting pipes and the corrugated hose.

[0013] The effect achieved by the above-mentioned components is that the connection between the first and second connecting pipes and the corrugated hose can be reinforced and protected by the reinforcing ring, and the strength and service life of the connecting piece as a whole are improved.

[0014] Preferably, the first and second connecting pipes are respectively provided with a sealing assembly on one side, which can further seal the connection between the first and second connecting pipes and the pressure pipes.

[0015] Preferably, the sealing assembly comprises a rubber ring, inner walls of the rubber ring are fixedly connected with a plurality of rubber rods, one end of the first connecting pipe and the second connecting pipe is respectively provided with a circular groove, the rubber ring is fixed on the outer side of the circular groove through the rubber rods, and the surface of the rubber ring slightly protrudes into the circular groove.

[0016] The above-mentioned component achieves the effect that when the first connecting pipe or the second connecting pipe is connected with the pressure pipeline, the surface of the pressure pipeline is attached to the surface of the first connecting pipe or the second connecting pipe, the rubber ring is extruded and the rubber rods are bent and deformed, when the first connecting pipe or the second connecting pipe is slightly inclined during use, the deformed rubber rods restore the original state and push the position of the rubber ring that is concave to protrude outward, thereby sealing the connection between the pressure pipeline and the first connecting pipe or the second connecting pipe and improving the sealing performance of the connecting pipe during use.

[0017] Preferably, the outer edge of the rubber ring is fixedly connected with an auxiliary strip, and the auxiliary strip is attached to the inner wall of the circular groove.

[0018] The above-mentioned component achieves the effect that the auxiliary strip can further seal the contact between the rubber ring and the inner wall of the circular groove, thereby improving the effect of the rubber ring.

[0019] Compared with the prior art, the utility model has the advantages and positive effects that:

[0020] In the utility model, the buffer assembly is arranged between the first connecting pipe and the second connecting pipe, so that the first connecting pipe and the second connecting pipe can be slightly inclined and displaced at different pressures, and the spring and the rotating rod on one side of the L-shaped block limit the angle between the first connecting pipe and the second connecting pipe, thereby improving the stability of the first connecting pipe and the second connecting pipe during use after being connected with the pressure pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a three-dimensional structure schematic view of the first connecting pipe of the utility model;

[0023] Figure 3 It is a three-dimensional structure schematic view of the rubber ring of the utility model;

[0024] Figure 4 It is a three-dimensional structure schematic view of the rotating rod of the utility model;

[0025] Figure 5 It is a three-dimensional structure schematic view of the L-shaped block of the utility model;

[0026] Figure 6This is a three-dimensional structural diagram of the rubber rod of this utility model.

[0027] Legend: 1. First connecting pipe; 2. Buffer assembly; 3. Sealing assembly; 4. Second connecting pipe; 5. Corrugated hose; 21. Rotating rod; 22. L-shaped groove; 23. L-shaped block; 24. Spring; 25. Through hole; 26. Round rod; 27. T-shaped groove; 28. T-shaped block; 29. ​​Reinforcing ring; 31. Round groove; 32. Rubber ring; 33. Rubber rod; 34. Auxiliary strip. Detailed Implementation

[0028] Example 1, as Figures 1-3 As shown, the pressure pipeline connector includes a first connecting pipe 1 and a second connecting pipe 4. One end of the first connecting pipe 1 and the second connecting pipe 4 is provided with a flange for easy connection to the pressure pipeline. A corrugated hose 5 is fixedly connected between the first connecting pipe 1 and the second connecting pipe 4. A buffer assembly 2 is provided on one side of the first connecting pipe 1 to buffer the displacement of the first connecting pipe 1 and the second connecting pipe 4 in different directions.

[0029] Reference Figures 1-4As shown, in the embodiment: the buffer assembly 2 comprises a plurality of rotating rods 21, one end of the rotating rod 21 is rotatably connected with one side of the second connecting pipe 4, the outer surface of the first connecting pipe 1 is provided with a plurality of L-shaped grooves 22, the side of the first connecting pipe 1 close to the L-shaped groove 22 is fixedly connected with an L-shaped block 23, the number of the L-shaped block 23, the L-shaped groove 22 and the rotating rod 21 is the same, the end of the rotating rod 21 away from the second connecting pipe 4 is located inside the L-shaped groove 22 on the same horizontal line, one side of the L-shaped block 23 is provided with a spring 24, the upper and lower ends of the spring 24 are fixedly connected with one side of the L-shaped block 23 and one side of the rotating rod 21 respectively, by setting the rotating rod 21, when connecting two pressure pipelines through the connecting piece, connecting the flange at one end of the two pressure pipelines with the flange at one end of the first connecting pipe 1 and the second connecting pipe 4 respectively, after fixing, if the pressure pipelines outside the first connecting pipe 1 and the second connecting pipe 4 are subjected to different pressures, the first connecting pipe 1 and the second connecting pipe 4 are subjected to different forces in different directions to produce different directional displacements, which will cause the corrugated hose 5 to be twisted and deformed, at the same time, a plurality of rotating rods 21 on one side of the second connecting pipe 4 will rotate slightly on one side of the second connecting pipe 4, the other end will slide on the inner wall of the L-shaped groove 22 to the direction away from the force and compress the spring 24, so that the angle between the first connecting pipe 1 and the second connecting pipe 4 can be slightly offset, after the force disappears, the spring 24 returns to its original state and pushes the rotating rod 21 back to its original position, so that the first connecting pipe 1 and the second connecting pipe 4 remain unchanged, by setting the buffer assembly 2, by setting the corrugated hose 5 between the first connecting pipe 1 and the second connecting pipe 4, when the first connecting pipe 1 and the second connecting pipe 4 are subjected to different pressures on both sides, the angle and displacement of the first connecting pipe 1 and the second connecting pipe 4 can be slightly offset, and by setting the spring 24 on one side of the L-shaped block 23 and the rotating rod 21, the angle between the first connecting pipe 1 and the second connecting pipe 4 is limited, which improves the stability of the first connecting pipe 1 and the second connecting pipe 4 after connecting with the pressure pipeline.

[0030] Referring to Figures 2-5 As shown, in the embodiment: the outer surface of the L-shaped block 23 is provided with a through hole 25, one end of the rotating rod 21 fixedly connected with a circular rod 26 located inside the L-shaped groove 22, the diameter of the circular rod 26 is smaller than the inner diameter of the through hole 25, one end of the circular rod 26 is located inside the through hole 25, when the rotating rod 21 rotates, one end of the circular rod 26 will move inside the through hole 25, through the through hole 25, the maximum rotating angle of the circular rod 26 and the rotating rod 21 and the offset amount of the first connecting pipe 1 and the second connecting pipe 4 can be limited, one end of the rotating rod 21 is fixedly connected with a T-shaped block 28, the inner wall of the L-shaped block 23 is provided with a T-shaped groove 27, the T-shaped block 28 is a rubber block made of rubber material, when the rotating rod 21 rotates, the T-shaped block 28 will move inside the T-shaped groove 27 and the end close to the rotating rod 21 will slightly deform, through the rubber T-shaped block 28, the position of the rotating rod 21 inside the L-shaped groove 22 can be further limited, so as to avoid the left and right skew of the angle of the rotating rod 21 as much as possible.

[0031] Referring toFigures 2-5 As shown in this embodiment: reinforcing rings 29 are fixedly connected to the side of the first connecting pipe 1 and the second connecting pipe 4 near the corrugated hose 5, respectively. The reinforcing rings 29 are located outside the connection between the first connecting pipe 1 and the second connecting pipe 4 and the corrugated hose 5. By setting the reinforcing rings 29, the connection between the first connecting pipe 1 and the second connecting pipe 4 and the corrugated hose 5 can be reinforced and protected, thereby improving the overall strength and service life of the connector.

[0032] Reference Figure 1 , Figure 3 and Figure 6 As shown in this embodiment: A sealing component 3 is respectively provided on one side of the first connecting pipe 1 and the second connecting pipe 4 to further seal the connection between the first connecting pipe 1 and the second connecting pipe 4 and the pressure pipeline. The sealing component 3 includes a rubber ring 32, and several rubber rods 33 are fixedly connected to the inner wall of the rubber ring 32. A circular groove 31 is respectively opened at one end of the first connecting pipe 1 and the second connecting pipe 4. The rubber ring 32 is fixed to the outside of the circular groove 31 by the rubber rods 33. The surface of the rubber ring 32 slightly protrudes from the inside of the circular groove 31. By setting the rubber ring 32, when the first connecting pipe 1 or the second connecting pipe 4 is connected to the pressure pipeline, the surface of the pressure pipeline adheres to the first connecting pipe 1 or the second connecting pipe 4. The surface of the dual connecting pipe 4 will compress the rubber ring 32 and cause the rubber rod 33 to bend and deform. When the first connecting pipe 1 or the second connecting pipe 4 is used and a slight deviation occurs, the deformed rubber rod 33 will return to its original shape and push the recessed position of the rubber ring 32 outward, filling and sealing the connection between the pressure pipe and the first connecting pipe 1 or the second connecting pipe 4, improving the sealing performance of the connector during use. An auxiliary strip 34 is fixedly connected to the outer edge of the rubber ring 32. The auxiliary strip 34 fits against the inner wall of the circular groove 31. By setting the auxiliary strip 34, the contact point between the rubber ring 32 and the inner wall of the circular groove 31 can be further sealed, improving the effect of the rubber ring 32.

[0033] Working principle: when two pressure pipes are connected through the connecting piece, the flanges at the ends of the two pressure pipes are connected with the flanges at the ends of the first connecting pipe 1 and the second connecting pipe 4, and after being fixed, if the pressure pipes outside the first connecting pipe 1 and the second connecting pipe 4 are subjected to different pressures, the first connecting pipe 1 and the second connecting pipe 4 are subjected to different forces in different directions to produce displacement in different directions, which will cause the corrugated hose 5 to be twisted and deformed, and meanwhile, the plurality of rotating rods 21 on one side of the second connecting pipe 4 will rotate slightly on one side of the second connecting pipe 4, and the other end will slide on the inner wall of the L-shaped groove 22 in a direction away from the force and compress the spring 24, so that the angle between the first connecting pipe 1 and the second connecting pipe 4 can be slightly offset, and meanwhile, the rubber rod 33 deformed in the circular groove 31 at the end of the first connecting pipe 1 and the second connecting pipe 4 will restore the original state and push the concave position of the rubber ring 32 to protrude outward, thereby sealing the connection between the pressure pipe and the first connecting pipe 1 or the second connecting pipe 4, and after the force disappears, the spring 24 restores the original state and pushes the rotating rod 21 back to the original position, so that the first connecting pipe 1 and the second connecting pipe 4 remain unchanged.

[0034] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made without departing from the technical solution of the present application and in accordance with the technical essence of the present application shall still fall within the protection scope of the present application. In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the connection between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. Pressure conduit connection comprising a first spool (1) and a second spool (4), characterized in that: One end of the first connecting pipe (1) and the second connecting pipe (4) is provided with a flange for connecting with the pressure pipeline, the first connecting pipe (1) and the second connecting pipe (4) are fixedly connected with the corrugated hose (5), and the side of the first connecting pipe (1) is provided with a buffer assembly (2) which can buffer the displacement of the first connecting pipe (1) and the second connecting pipe (4) in different directions.

2. The pressure pipe coupling according to claim 1, characterized in that: The buffer assembly (2) comprises a plurality of rotating rods (21), one end of the rotating rod (21) is rotatably connected with one side of the second connecting pipe (4), the outer surface of the first connecting pipe (1) is provided with a plurality of L-shaped grooves (22), the side of the outer surface of the first connecting pipe (1) close to the L-shaped groove (22) is fixedly connected with an L-shaped block (23), the number of the L-shaped block (23), the L-shaped groove (22) and the rotating rod (21) is the same, one end of the rotating rod (21) away from the second connecting pipe (4) is located in the L-shaped groove (22) on the same horizontal line, and the side of the L-shaped block (23) is provided with a spring (24), and the upper and lower ends of the spring (24) are fixedly connected with the side of the L-shaped block (23) and the side of the rotating rod (21) respectively.

3. The pressure pipe coupling according to claim 2, wherein: The outer surface of the L-shaped block (23) is provided with a through hole (25), one end of the rotating rod (21) located in the L-shaped groove (22) is fixedly connected with a circular rod (26), the diameter of the circular rod (26) is smaller than the inner diameter of the through hole (25), and one end of the circular rod (26) is located in the through hole (25).

4. The pressure pipe coupling according to claim 3, wherein: One end of the rotating rod (21) is fixedly connected with a T-shaped block (28), the inner wall of the L-shaped block (23) is provided with a T-shaped groove (27), and the T-shaped block (28) is a rubber block made of rubber material.

5. The pressure pipe coupling according to claim 4, wherein: The side of the first connecting pipe (1) and the second connecting pipe (4) close to the corrugated hose (5) is fixedly connected with a reinforcing ring (29) respectively, and the reinforcing ring (29) is located outside the connection between the first connecting pipe (1) and the second connecting pipe (4) and the corrugated hose (5).

6. The pressure pipe coupling according to claim 5, wherein: The side of the first connecting pipe (1) and the second connecting pipe (4) is provided with a sealing assembly (3) which can further seal the connection between the first connecting pipe (1) and the second connecting pipe (4) and the pressure pipeline.

7. The pressure pipe coupling according to claim 6, characterized in that: The sealing assembly (3) comprises a rubber ring (32), the inner wall of the rubber ring (32) is fixedly connected with a plurality of rubber rods (33), one end of the first connecting pipe (1) and the second connecting pipe (4) is provided with a circular groove (31), the rubber ring (32) is fixed on the outer side of the circular groove (31) through the rubber rod (33), and the surface of the rubber ring (32) slightly protrudes into the circular groove (31).

8. The pressure pipe coupling according to claim 7, wherein: The outer side edge of the rubber ring (32) is fixedly connected with an auxiliary strip (34), and the auxiliary strip (34) is attached to the inner wall of the circular groove (31).

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