Pipeline flexible connection structure with vibration isolation function

Abstract

The pipeline flexible connection structure with the vibration isolation function comprises a metal woven mesh pipe, four positioning columns are arranged on the outer surface of the metal woven mesh pipe, fixing columns are fixedly connected to the upper surfaces and the lower surfaces of the four positioning columns, positioning blocks are fixedly connected to the outer surfaces of the fixing columns, and the positioning blocks are fixedly connected to the outer surfaces of the positioning columns. A through hole is formed in the positioning block, a buffer column is slidably connected into the through hole, the outer surface of the buffer column is in threaded connection with a limiting nut, the side wall of the limiting nut abuts against the positioning block, the outer surface of the buffer column is sleeved with a spring, and the left side and the right side of the spring abut against the side wall of the positioning block. The springs are compressed or stretched on the outer surfaces of the buffer columns, displacement of parts caused by too large instant impact force is avoided, the stable state of the structure is maintained, the displacement range of the buffer columns is limited through the abutting design of the limiting nuts and the positioning blocks, structural instability caused by excessive sliding of the buffer columns is prevented, and the stability of the structure in the dynamic environment is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline flexible connection technical field, especially pipeline flexible connection structure with vibration isolation function. BACKGROUND

[0002] With the development of industrial production to large-scale, fine, pipeline system needs to adapt to high temperature, high pressure, high corrosion and other complex working conditions. The traditional hard connection is prone to fatigue damage, leakage and other problems under these working conditions, so the soft connection structure is needed to provide better adaptability and reliability.

[0003] With the increase of use time, the connecting piece, fastener and the like in the vibration isolation structure of the soft connection may be loose, the stiffness and damping of the whole structure change, the vibration isolation performance decreases, and the structural stability deteriorates. UTILITY MODEL CONTENT

[0004] The utility model discloses a pipeline flexible connection structure with vibration isolation function, buffering column slides in the through hole of positioning block, spring is compressed or stretched on the outer surface of buffering column, avoids the displacement of component due to instantaneous impact force is too big, maintains the stable state of structure, the design of the abutment of limiting nut and positioning block limits the displacement range of buffering column, prevents buffering column from sliding excessively and leads to structural instability, further guarantees the stability of structure under dynamic environment.

[0005] In order to realize the above-mentioned purpose, a pipeline flexible connection structure with vibration isolation function is provided, which comprises: a metal woven mesh pipe, the outer surface of the metal woven mesh pipe is provided with four positioning columns, the upper and lower surfaces of the four positioning columns are fixedly connected with fixed columns, the outer surfaces of the fixed columns are fixedly connected with positioning blocks, through holes are formed in the interiors of the positioning blocks, buffering columns are slidably connected in the through holes, limiting nuts are threadedly connected to the outer surfaces of the buffering columns, the side walls of the limiting nuts abut against the positioning blocks, springs are sleeved on the outer surfaces of the buffering columns, and the left and right sides of the springs abut against the side walls of the positioning blocks. This structure builds a stable buffer system, can effectively absorb vibration energy, and improves vibration isolation effect and structural stability.

[0006] According to the pipeline flexible connection structure with vibration isolation function, the number of the buffering columns is four, and the number of the buffering columns and the number of the positioning columns are correspondingly arranged. Four buffering columns correspond to positioning columns, and all-around uniform buffering enhances overall vibration isolation performance and ensures smooth pipeline operation.

[0007] According to the pipeline flexible connection structure with vibration isolation function, the buffering columns and the positioning blocks are arranged in parallel, and the positioning blocks are located on the left and right sides of the buffering columns. Parallel arrangement ensures smooth sliding of the buffering columns, and the positioning blocks are accurately limited, so that vibration isolation is stable and reliable.

[0008] According to the pipeline flexible connection structure with the vibration isolation function, the outer surfaces of the positioning columns are rotationally connected with the second rotation rods and the first rotation rods, and the lower surfaces of the second rotation rods and the first rotation rods abut.

[0009] According to the pipeline flexible connection structure with the vibration isolation function, the interiors of the first rotation rods and the second rotation rods are rotationally connected with the first positioning pins, and the lower surfaces of the first positioning pins are fixedly connected with the first connecting pipes.

[0010] According to the pipeline flexible connection structure with the vibration isolation function, the side walls of the first connecting pipes are fixedly connected with the flange joints, the number of the flange joints is two, and the two flange joints are symmetrically arranged on the front and back sides of the metal woven mesh pipe.

[0011] According to the pipeline flexible connection structure with the vibration isolation function, the outer surfaces of the positioning columns are rotationally connected with the first extension rods and the second extension rods, the upper surfaces of the first extension rods and the second extension rods abut, the interiors of the first extension rods and the second extension rods are rotationally connected with the second positioning pins, the lower surfaces of the second positioning pins are fixedly connected with the second connecting pipes, the inner surfaces of the second connecting pipes are sleeved with the metal woven mesh pipes, and the number of the second positioning pins is four.

[0012] The above-mentioned scheme has the beneficial effects that:

[0013] The utility model discloses a positioning column, fixed column, locating block, buffer column, limit nut and spring are set up, and through the sliding of buffer column in the through -hole of locating block, the compression or stretching of spring on the outer surface of buffer column is prevented, and the displacement of component is avoided because of the too big instantaneous impact force, and the stable state of structure is maintained, and the abutted design of limit nut and locating block limits the displacement range of buffer column, prevents the structure from losing stability because of the excessive sliding of buffer column, and further guarantees the stability of structure in dynamic environment.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples;

[0016] Figure 1A sectional view of the pipeline soft connection structure with vibration isolation function of the utility model is shown in figure 3.

[0017] Figure 2 A front view of the pipeline soft connection structure with vibration isolation function of the utility model is shown in figure 4.

[0018] Figure 3 A sectional view of the pipeline soft connection structure with vibration isolation function of the utility model is shown in figure 3.

[0019] Figure 4 The utility model discloses Figure 3 The structure of A in the middle is enlarged view.

[0020] Legend:

[0021] 1, metal braided mesh pipe, 2, first connecting pipe, 3, flange joint, 4, first positioning pin, 5, second connecting pipe, 6, first rotating rod, 7, second rotating rod, 8, positioning column, 9, first extension rod, 10, second extension rod, 11, fixed column, 12, positioning block, 13, buffer column, 14, limit nut, 15, spring, 16, second positioning pin. Specific implementation

[0022] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the attached drawings, and the function of the attached drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Refer to Figures 1-4The utility model discloses an embodiment of a pipeline flexible connection structure with vibration isolation function, which comprises: a metal woven mesh pipe 1, the metal woven mesh pipe 1, four positioning columns 8 are arranged on the outer surface of the metal woven mesh pipe 1, the positioning column 8 is used for providing installation positioning base for the subsequent connecting component, so that each component is orderly installed on the outer surface of the metal woven mesh pipe 1, the upper and lower surfaces of the four positioning columns 8 are fixedly connected with fixed columns 11, the fixed column 11 stably connects the positioning column 8 and the positioning block 12, ensures that the positioning block 12 can be stably installed on the upper and lower sides of the positioning column 8, the outer surfaces of the fixed columns 11 are fixedly connected with the positioning blocks 12, the positioning block 12 is used for cooperating with the buffer column 13, realizes the limiting and guiding of the buffer column 13, so that it can move within the specified range, a through hole is formed in the inside of the positioning block 12, the buffer column 13 is slidably connected in the through hole, the buffer column 13 can slide in the through hole of the positioning block 12, realizes the buffering effect, when external force is received, the buffer column 13 can be telescopic in the positioning block 12 to buffer the vibration, the outer surface of the buffer column 13 is screw-connected with a limiting nut 14, and the side wall of the limiting nut 14 and the positioning block 12 abut, the limiting nut 14 is used for adjusting the position of the buffer column 13 in the positioning block 12, the maximum displacement of the buffer column 13 is limited by abutting with the positioning block 12, prevents its excessive sliding, the outer surface of the buffer column 13 is sleeved with a spring 15, and the left and right sides of the spring 15 all abut with the side wall of the positioning block 12, the spring 15 is on the outer surface of the buffer column 13, utilizes the elasticity of itself, when the buffer column 13 slides under external force, the spring 15 is compressed or stretched, plays the role of buffering and resetting, provides elastic support for the buffering action of the buffer column 13.

[0024] The number of the buffer columns 13 is four, the number of the buffer columns 13 and the number of the positioning columns 8 are correspondingly arranged, four buffer columns 13 correspond to four positioning columns 8, which can buffer and isolate vibration from multiple positions, making the isolation effect more uniform and comprehensive. The buffer columns 13 and the positioning blocks 12 are arranged in parallel, and the positioning blocks 12 are located on the left and right sides of the buffer columns 13. This parallel arrangement and positional relationship ensures that the buffer columns 13 can smoothly slide under the constraint of the positioning blocks 12, ensuring the stability and accuracy of the buffering action. The outer surfaces of the positioning columns 8 are rotatably connected with the second rotating rods 7 and the first rotating rods 6, and the lower surfaces of the second rotating rods 7 and the first rotating rods 6 abut. The second rotating rods 7 and the first rotating rods 6 are rotatably connected with the positioning columns 8 and can rotate around the positioning columns 8. The abutting lower surfaces of the second rotating rods 7 and the first rotating rods 6 can cooperate with each other during rotation to adjust the angle to adapt to the connection requirements under different working conditions. The first rotating rods 6 and the second rotating rods 7 are rotatably connected with the first positioning pins 4 inside. The first positioning pins 4 are used to stably connect the first rotating rods 6 and the second rotating rods 7 with the first connecting pipes 2, while allowing the first rotating rods 6 and the second rotating rods 7 to rotate relative to the first connecting pipes 2, realizing multi-angle connection. The lower surface of the first positioning pin 4 is fixedly connected with the first connecting pipe 2, which is connected with the first rotating rods 6 and the second rotating rods 7 through the first positioning pin 4, used to connect external pipes. Under the cooperation of the first rotating rods 6 and the second rotating rods 7, the angle of connection with the external pipes can be flexibly adjusted. The side wall of the first connecting pipe 2 is fixedly connected with the flange joint 3, which facilitates quick and stable connection with external pipes through bolts and other connecting members, realizing reliable butt joint between pipes.

[0025] The number of flange joints 3 is two, and the two flange joints 3 are symmetrically arranged on the front and rear sides of the metal woven mesh pipe 1. The two symmetrically arranged flange joints 3 can make the metal woven mesh pipe 1 connect with the external pipeline in the front and rear directions, increase the diversity and flexibility of the connection, and the outer surface of the positioning column 8 is rotatably connected with the first extension rod 9 and the second extension rod 10. The first extension rod 9 and the second extension rod 10 are rotatably connected with the positioning column 8 and can rotate around the positioning column 8, which is used to extend the connection structure and adapt to the pipeline connection requirements of different distances. The upper surfaces of the first extension rod 9 and the second extension rod 10 abut, and the abutting of the upper surfaces of the two can cooperate with each other during rotation to adjust the angle and maintain the stability of the whole while extending the connection structure. The first extension rod 9 and the second extension rod 10 are rotatably connected with the second positioning pin 16 inside. The second positioning pin 16 is used to stably connect the first extension rod 9 and the second extension rod 10 with the second connecting pipe 5, while allowing the first extension rod 9 and the second extension rod 10 to rotate relative to the second connecting pipe 5, realizing multi-angle extension connection. The lower surface of the second positioning pin 16 is fixedly connected with the second connecting pipe 5, and the inner surface of the second connecting pipe 5 is sleeved with the metal woven mesh pipe 1. The second connecting pipe 5 is connected with the first extension rod 9 and the second extension rod 10 through the second positioning pin 16, and is sleeved on the outer surface of the metal woven mesh pipe 1, which is used to connect the external pipeline. Under the cooperation of the first extension rod 9 and the second extension rod 10, the extension connection of the metal woven mesh pipe 1 and the external pipeline is realized. The number of second positioning pins 16 is four, and the four second positioning pins 16 can stably connect the first extension rod 9, the second extension rod 10 and the second connecting pipe 5 from multiple positions, ensuring the stability and reliability of the extension connection structure.

[0026] Working principle: first, four positioning column 8 is fixed in the outer surface of metal woven mesh tube 1, for the installation of other components to provide positioning basis, connecting fixed column 11 and positioning block 12: in the upper and lower surface of positioning column 8 is fixedly connected with fixed column 11, then the positioning block 12 is fixed on the outer surface of fixed column 11, so that the positioning block 12 can cooperate with the buffer column 13, install buffer column 13 and related components: the buffer column 13 is passed through the through hole of the positioning block 12, the spring 15 is sleeved on the outer surface of the buffer column 13, and the spring 15 is in contact with the side wall of the positioning block 12; then the limiting nut 14 is screwed on the outer surface of the buffer column 13, the displacement range of the buffer column 13 is limited by adjusting the contact position of the limiting nut 14 and the positioning block 12, the installation of the buffer assembly is completed, the vibration isolation and buffering function is realized, the first rotating rod 6, the second rotating rod 7 and the first connecting pipe 2 are installed: the second rotating rod 7 and the first rotating rod 6 are rotatably connected on the outer surface of the positioning column 8, and the lower surfaces of the second rotating rod 7 and the first rotating rod 6 are in contact with each other; the first positioning pin 4 is rotatably connected in the first rotating rod 6 and the second rotating rod 7, and the first connecting pipe 2 is fixed on the lower surface of the first positioning pin 4, so that the angle of the first connecting pipe 2 can be adjusted through the first rotating rod 6 and the second rotating rod 7, and the external pipeline is connected, the flange joint 3 is installed: two symmetrical flange joints 3 are fixedly connected on the side wall of the first connecting pipe 2, which facilitates quick and stable butt joint with external pipeline through connecting members such as bolts, the first extension rod 9, the second extension rod 10 and the second connecting pipe 5 are installed: the first extension rod 9 and the second extension rod 10 are rotatably connected on the outer surface of the positioning column 8, and the upper surfaces of the first extension rod 9 and the second extension rod 10 are in contact with each other; the second positioning pin 16 is rotatably connected in the first extension rod 9 and the second extension rod 10, the second connecting pipe 5 is fixed on the lower surface of the second positioning pin 16, and the inner surface of the second connecting pipe 5 is sleeved on the outer surface of the metal woven mesh tube 1, if it is necessary to extend the connecting structure to adapt to the connection requirement of pipelines with different distances, the angle and position of the second connecting pipe 5 can be adjusted through the first extension rod 9 and the second extension rod 10.

[0027] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A flexible pipe connection structure with vibration isolation function, comprising: The metal braided mesh tube (1) is characterized in that: four positioning posts (8) are provided on the outer surface of the metal braided mesh tube (1), and fixed posts (11) are fixedly connected to the upper and lower surfaces of the four positioning posts (8). Positioning blocks (12) are fixedly connected to the outer surface of the fixed posts (11). A through hole is opened inside the positioning block (12). A buffer post (13) is slidably connected inside the through hole. A limit nut (14) is threadedly connected to the outer surface of the buffer post (13), and the side wall of the limit nut (14) abuts against the positioning block (12). A spring (15) is sleeved on the outer surface of the buffer post (13), and the left and right sides of the spring (15) abut against the side wall of the positioning block (12).

2. The flexible pipe connection structure with vibration isolation function according to claim 1, characterized in that: The number of buffer pillars (13) is four, and the number of buffer pillars (13) is set in correspondence with the number of positioning pillars (8).

3. The flexible pipe connection structure with vibration isolation function according to claim 1, characterized in that: The buffer column (13) and the positioning block (12) are arranged in parallel, and the positioning block (12) is located on the left and right sides of the buffer column (13).

4. The flexible pipe connection structure with vibration isolation function according to claim 1, characterized in that: The outer surface of the positioning post (8) is rotatably connected to a second rotating rod (7) and a first rotating rod (6), and the lower surfaces of the second rotating rod (7) and the first rotating rod (6) abut against each other.

5. A flexible pipe connection structure with vibration isolation function according to claim 4, characterized in that: The first rotating rod (6) and the second rotating rod (7) are both rotatably connected to the first positioning pin (4), and the lower surface of the first positioning pin (4) is fixedly connected to the first connecting pipe (2).

6. A flexible pipe connection structure with vibration isolation function according to claim 5, characterized in that: The side wall of the first connecting pipe (2) is fixedly connected with a flange joint (3). There are two flange joints (3), and the two flange joints (3) are symmetrically arranged on the front and rear sides of the metal braided mesh pipe (1).

7. A flexible pipe connection structure with vibration isolation function according to claim 1, characterized in that: The outer surface of the positioning post (8) is rotatably connected to a first extension rod (9) and a second extension rod (10). The upper surfaces of the first extension rod (9) and the second extension rod (10) abut against each other. The interior of the first extension rod (9) and the second extension rod (10) is rotatably connected to a second positioning pin (16). The lower surface of the second positioning pin (16) is fixedly connected to a second connecting tube (5), and the inner surface of the second connecting tube (5) is sleeved with the metal braided mesh tube (1). There are four second positioning pins (16).

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