A high-pressure pipeline rotary connection device

Abstract

This utility model discloses a high-pressure pipeline rotary connection device, including a fixed head, a rotating head rotatably connected to the lower inner wall of the fixed head via a sealed bearing, and a reinforcement mechanism. Two sets of reinforcement mechanisms are provided, respectively located at the ends of the fixed head and the rotating head. A sealing mechanism is located between the fixed head and the rotating head. The reinforcement mechanisms reinforce the connection between the fixed head and the rotating head and the external pipeline. This utility model relates to the technical field of pipeline connection devices. This high-pressure pipeline rotary connection device, through the cooperation of a housing, through hole, screw, knob, limit block, and mounting part, achieves reinforcement between the fixed head and the rotating head and the external pipeline. It solves the problem that during operation, the device may vibrate, potentially loosening at the connection point with the external pipeline, thus reducing the effectiveness of the high-pressure pipeline rotary connection device.

Description

Technical Field

[0001] This utility model relates to the technical field of pipeline connection devices, specifically a high-pressure pipeline rotary connection device. Background Technology

[0002] A high-pressure pipe is a type of pipe that can withstand pressure and is used to transport high-pressure fluids. A rotary connector is a pipe connection device that allows the connected pipes to rotate relative to each other. When connecting high-pressure pipelines, a rotary connector is required to connect the high-pressure pipelines.

[0003] Traditional rotary coupling devices connect high-pressure pipelines by connecting the internal fixed head to the external fixed pipeline and the internal rotary head to the external rotary pipeline, thereby transporting high-pressure fluid while simultaneously causing the rotary pipeline to rotate.

[0004] However, most rotary connection devices connect to external high-pressure pipelines by threading their internal threads to the external pipeline threads. During operation, the device may vibrate, and the connection between the device and the external pipeline may loosen, allowing high-pressure fluid inside the pipeline to leak out through the gaps, thus reducing the effectiveness of the rotary connection device for high-pressure pipelines. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a high-pressure pipeline rotary connection device, which solves the problem that during the operation of the rotary connection device, the device may vibrate, and the connection between the device and the external pipeline may become loose, making it easy for high-pressure fluid inside the pipeline to leak out through the gaps, thereby reducing the effectiveness of the high-pressure pipeline rotary connection device.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-pressure pipeline rotary connection device, comprising a fixed head, a rotating head rotatably connected to the lower inner wall of the fixed head via a sealed bearing, and a reinforcement mechanism, comprising two sets of reinforcement mechanisms respectively disposed at the ends of the fixed head and the rotating head; a sealing mechanism disposed between the fixed head and the rotating head; wherein, the reinforcement mechanism reinforces the connection between the fixed head and the rotating head and the external pipeline, and the sealing mechanism improves the sealing effect between the fixed head and the rotating head.

[0007] Preferably, the reinforcement mechanism includes a housing, which is respectively disposed on the outer wall of the fixed head and the outer wall of the rotating head; a through hole is opened on the outer wall of the housing; a screw is threadedly connected to the inner wall of the housing; a knob is inserted into the beginning end of the screw; a limiting block is fixed to the end of the screw; and a mounting part is disposed inside the housing; wherein, an external pipe is inserted through the through hole and connected to the fixed head and the rotating head respectively, then the knob is inserted into the beginning end of the screw, and under the drive of the screw, the limiting block is inserted into the external pipe.

[0008] Preferably, the mounting part includes a recessed hole formed on the outer wall of the housing; threaded holes formed on the outer wall of the fixed head and the outer wall of the rotating head respectively; and screws threadedly connected to the inner wall of the housing and the inner wall of the threaded holes respectively; wherein, the housing is mounted to the ends of the fixed head and the rotating head by the cooperation of the screws and the threaded holes.

[0009] Preferably, the sealing mechanism includes a first ring body, which is sleeved on the outer wall of the rotating head and its outer wall is in contact with the inner wall of the fixed head; a spring is fixed to the bottom of the first ring body; a second ring body is fixed to the bottom of the spring and sleeved on the outer wall of the rotating head and its outer wall is in contact with the inner wall of the fixed head; a sealing ring is fixed to the lower part of the inner wall of the fixed head and its inner wall is in contact with the outer wall of the rotating head, and its upper part is in contact with the bottom of the second ring body; a fixing part is disposed inside the fixed head; wherein, the spring is compressed by the first ring body, thereby causing the second ring body to squeeze the sealing ring.

[0010] Preferably, the fixing part includes a second thread, which is formed on the inner wall of the fixing head; the cylinder body is attached to the top of the first ring body; a third thread is formed on the outer wall of the cylinder body and is threaded to the second thread; a hole is formed on the inner wall of the cylinder body; wherein, through the cooperation of the second thread and the third thread, the cylinder body is rotated, thereby squeezing the first ring body.

[0011] Preferably, the inner wall of the rotating head is provided with a first thread.

[0012] Beneficial effects

[0013] This utility model provides a high-pressure pipeline rotary connection device. It has the following advantages: This high-pressure pipeline rotary connection device, through the cooperation of the housing, through hole, screw, knob, limit block, and mounting part, achieves reinforcement between the fixed head and the rotating head and the external pipeline. It solves the problem that during the operation of the rotary connection device, vibration may occur, and the connection between the device and the external pipeline may loosen, easily allowing high-pressure fluid inside the pipeline to leak out through gaps, thus reducing the effectiveness of the high-pressure pipeline rotary connection device.

[0014] By coordinating the first ring, spring, second ring, sealing ring, and fixing part, the sealing ring is compressed, improving the sealing effect. This solves the problem that when high-pressure pipelines are rotated, the sealing ring may wear due to vibration and axial displacement of the high-pressure pipeline or connector, or the gap between the sealing ring and the fixing head and rotating head may increase. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the appearance of the present utility model;

[0017] Figure 3 for Figure 1 Schematic diagram of the middle shell, through hole and fixing head;

[0018] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0019] Figure 5 for Figure 1 A schematic diagram of the structure of the first ring, spring, and sealing ring.

[0020] In the diagram: 1. Fixed head; 2. Rotating head; 3. First thread; 4. Reinforcing mechanism; 41. Housing; 42. Through hole; 43. Screw; 44. Knob; 45. Limiting block; 46. Mounting part; 461. Recessed hole; 462. Threaded hole; 463. Screw; 5. Sealing mechanism; 51. First ring; 52. Spring; 53. Second ring; 54. Sealing ring; 55. Fixed part; 551. Second thread; 552. Third thread; 553. Cylinder; 554. Hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] During the operation of the rotary connection device, the device may vibrate, and the connection between the device and the external pipeline may become loose, which may cause the high-pressure fluid inside the pipeline to leak out through the gap, thereby reducing the effectiveness of the high-pressure pipeline rotary connection device.

[0023] In view of this, the present invention provides a high-pressure pipeline rotary connection device. Through the cooperation of the housing, through hole, screw, knob, limit block and mounting part, the fixed head and the rotating head are reinforced with the external pipeline. This solves the problem that the device may vibrate during operation and may loosen at the connection point between the device and the external pipeline, which may cause the high-pressure fluid inside the pipeline to overflow through the gap, thereby reducing the effectiveness of the high-pressure pipeline rotary connection device.

[0024] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0025] Example 1: By Figure 1-5 It is known that a high-pressure pipeline rotary connection device includes a fixed head 1, and a rotary head 2 is rotatably connected to the lower inner wall of the fixed head 1 via a sealed bearing. The high-pressure pipeline rotary connection device also includes a reinforcing mechanism 4 and a sealing mechanism 5. The reinforcing mechanism 4 is provided in two sets, and is respectively provided at the ends of the fixed head 1 and the rotary head 2; the sealing mechanism 5 is provided between the fixed head 1 and the rotary head 2. The reinforcing mechanism 4 reinforces the connection between the fixed head 1 and the rotary head 2 and the external pipeline, and the sealing mechanism 5 improves the sealing effect between the fixed head 1 and the rotary head 2.

[0026] In the specific implementation process, it is worth noting that the staff connects the end of the fixed head 1 to the external fixed high-pressure pipeline and the rotating head 2 to the external rotating high-pressure pipeline. Then, the external pipelines connected to the fixed head 1 and the rotating head 2 are reinforced by two sets of reinforcement mechanisms 4, and the sealing effect between the fixed head 1 and the rotating head 2 is improved by the sealing mechanism 5.

[0027] Example 2: From Figure 1-5 It is known that the reinforcement mechanism 4 includes a housing 41, a through hole 42, a screw 43, a knob 44, a limiting block 45, and a mounting part 46. The housing 41 is respectively disposed on the outer wall of the fixed head 1 and the outer wall of the rotating head 2; the through hole 42 is opened on the outer wall of the housing 41; the screw 43 is threaded to the inner wall of the housing 41; the knob 44 is inserted into the beginning end of the screw 43; the limiting block 45 is fixed to the end of the screw 43; and the mounting part 46 is disposed inside the housing 41. The external pipe is inserted into the through hole 42 and connected to the fixed head 1 and the rotating head 2 respectively. Then, the knob 44 is inserted into the beginning end of the screw 43, and under the drive of the screw 43, the limiting block 45 is inserted into the external pipe.

[0028] In the specific implementation process, it is particularly important to note that the inner diameter of the through hole 42 must strictly match the outer diameter of the external pipe to avoid reinforcement failure due to excessive gaps after the pipe is inserted. The workers sequentially insert the external high-pressure fixed pipe and the external rotating high-pressure pipe into the through holes 42 on the surfaces of the upper and lower housings 41. After completion, the external pipes are connected to the fixed head 1 and the rotating head 2. Then, the workers move and insert the knob 44 into the screws 43 on both the upper and lower sides. The groove on the surface of the knob 44 is hexagonal, and the initial shape of the screw 43 is also hexagonal. The two sets are fitted with a gap between them. Multiple screws 43 can be rotated by a knob 44, or a knob 44 can be equipped on a screw 43. After completion, the operator rotates the knob 44, which drives the screw 43 to rotate in the housing 41. The screw 43 drives the limit block 45 to move. The limit blocks 45 on the upper and lower sides are inserted into the corresponding limit holes on the outer walls of the two external pipes in sequence. After completion, the operator stops rotating the knob 44 and removes the knob 44 from the screw 43 to reinforce the connection between the fixed head 1 and the rotating head 2 and the external pipe.

[0029] Furthermore, the mounting part 46 includes a recessed hole 461, a threaded hole 462, and a screw 463. The recessed hole 461 is formed on the outer wall of the housing 41; the threaded hole 462 is formed on the outer wall of the fixed head 1 and the outer wall of the rotating head 2 respectively; the screw 463 is threadedly connected to the inner wall of the housing 41 and the inner wall of the threaded hole 462 respectively; wherein, by the cooperation of the screw 463 and the threaded hole 462, the housing 41 is installed to the ends of the fixed head 1 and the rotating head 2.

[0030] In the specific implementation process, it is worth noting that anaerobic adhesive is applied between the threaded hole 462 and the screw 463 to prevent the screw 463 from loosening due to long-term vibration. The depth of the concave hole 461 should be slightly greater than the head height of the screw 463 to make the surface of the housing 41 flat, avoid external bumps and damage to the screw 463, and facilitate tool insertion and disassembly during later maintenance. When installing the housing 41, the worker inserts the housing 41 into the fixing head 1 and the rotating head 2 to align the screw 463 with the threaded hole 462. Then, the worker rotates the screw 463 with the tool to rotate the screw 463 into the threaded hole 462. After completion, the worker stops rotating the tool and removes the tool to complete the assembly of the housing 41.

[0031] Furthermore, the sealing mechanism 5 includes a first ring 51, a spring 52, a second ring 53, a sealing ring 54, and a fixing part 55. The first ring 51 is sleeved on the outer wall of the rotating head 2, and the outer wall is attached to the inner wall of the fixing head 1. The spring 52 is fixed to the bottom of the first ring 51. The second ring 53 is fixed to the bottom of the spring 52, sleeved on the outer wall of the rotating head 2, and the outer wall is attached to the inner wall of the fixing head 1. The sealing ring 54 is fixed to the lower part of the inner wall of the fixing head 1, and the inner wall is attached to the outer wall of the rotating head 2, and the upper part is attached to the bottom of the second ring 53. The fixing part 55 is disposed inside the fixing head 1. The first ring 51 compresses the spring 52, thereby causing the second ring 53 to squeeze the sealing ring 54.

[0032] In the specific implementation process, it is worth noting that the sealing ring 54 is made of hydrogenated nitrile rubber, which is adapted according to the temperature and corrosiveness of the medium. Before installation, a silicone-based grease needs to be applied to the surface of the sealing ring 54 to reduce friction with the second ring 53 and the rotating head 2, and slow down the wear of the sealing ring 54. The model of the spring 52 is selected according to the actual situation. When the sealing ring 54 wears, the spring 52 is in a compressed state and begins to rebound. The spring 52 squeezes the second ring 53 through its elastic force, and the second ring 53 squeezes the sealing ring 54, thereby squeezing the sealing ring 54 and improving the sealing effect.

[0033] Furthermore, the fixing part 55 includes a second thread 551, a third thread 552, a cylindrical body 553, and a hole 554. The second thread 551 is formed on the inner wall of the fixing head 1; the cylindrical body 553 is fitted to the top of the first ring body 51; the third thread 552 is formed on the outer wall of the cylindrical body 553 and is threaded to the second thread 551; the hole 554 is formed on the inner wall of the cylindrical body 553. The cylindrical body 553 is rotated by the cooperation of the second thread 551 and the third thread 552, thereby compressing the first ring body 51.

[0034] In the specific implementation process, it is worth noting that before the overall connection of the device, the operator inserts an external tool into the hole 554 on the inner wall of the cylinder 553 and rotates the tool, thereby causing the cylinder 553 to rotate. The cylinder 553 drives the third thread 552 to rotate on the second thread 551. The cylinder 553 compresses the first ring 51, and the first ring 51 compresses the spring 52. After the cylinder 553 moves to the designated position, the operator removes the tool from the hole 554. During the connection, the operator aligns the fixing head 1 with the external fixed pipe and rotates the fixing head 1 onto the external thread on the outer wall of the external fixed pipe to complete the connection. A rubber ring can be set between the fixing head 1 and the external fixed pipe to improve the sealing between the two. The material of the rubber ring is selected according to the actual situation to compress the spring 52, thereby using sufficient elasticity to compress the sealing ring 54.

[0035] Furthermore, the inner wall of the rotating head 2 is provided with a first thread 3;

[0036] In the specific implementation process, it is worth noting that the staff aligns the rotating head 2 with the external rotating pipe. After that, the staff rotates the rotating head 2 into the external thread on the corresponding pipe to complete the connection between the two. A rubber ring can be set between the rotating head 2 and the external rotating pipe to improve the sealing between the two. The material of the rubber ring is selected according to the actual situation.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-pressure pipeline rotary connection device, comprising a fixed head (1), characterized in that: A rotating head (2) is rotatably connected to the lower inner wall of the fixed head (1) via a sealed bearing. The high-pressure pipeline rotating connection device further includes: The reinforcement mechanism (4) is provided in two sets, and is respectively located at the ends of the fixed head (1) and the rotating head (2); A sealing mechanism (5) is disposed between the fixed head (1) and the rotating head (2); The reinforcement mechanism (4) reinforces the connection between the fixed head (1) and the rotating head (2) and the external pipe, and the sealing mechanism (5) improves the sealing effect between the fixed head (1) and the rotating head (2).

2. The high-pressure pipeline rotary connection device according to claim 1, characterized in that: The reinforcement mechanism (4) includes: The housing (41) is respectively disposed on the outer wall of the fixed head (1) and the outer wall of the rotating head (2); A through hole (42) is provided on the outer wall of the housing (41); The screw (43) is threaded to the inner wall of the housing (41); A knob (44) is inserted into the beginning of the screw (43); A limiting block (45) is fixedly connected to the end of the screw (43); The mounting part (46) is disposed inside the housing (41); The external pipe is inserted into the through hole (42) and connected to the fixed head (1) and the rotating head (2) respectively. Then, the knob (44) is inserted into the beginning of the screw (43), and the limiting block (45) is inserted into the external pipe under the drive of the screw (43).

3. A high-pressure pipeline rotary connection device according to claim 2, characterized in that: The mounting part (46) includes: A recess (461) is formed on the outer wall of the housing (41); Threaded holes (462) are respectively opened on the outer wall of the fixed head (1) and the outer wall of the rotating head (2); Screws (463) are threaded to the inner wall of the housing (41) and the inner wall of the threaded hole (462), respectively; The housing (41) is installed onto the ends of the fixed head (1) and the rotating head (2) by the cooperation of the screw (463) and the threaded hole (462).

4. The high-pressure pipeline rotary connection device according to claim 1, characterized in that: The sealing mechanism (5) includes: The first ring (51) is sleeved on the outer wall of the rotating head (2), and the outer wall is attached to the inner wall of the fixed head (1); Spring (52) is fixed to the bottom of the first ring (51); The second ring (53) is fixed to the bottom of the spring (52) and sleeved on the outer wall of the rotating head (2), and the outer wall is attached to the inner wall of the fixed head (1); The sealing ring (54) is fixed to the lower inner wall of the fixed head (1), and the inner wall is attached to the outer wall of the rotating head (2), and the upper part is attached to the bottom of the second ring body (53); A fixing part (55) is disposed inside the fixing head (1); The spring (52) is compressed by the first ring (51), thereby causing the second ring (53) to squeeze the sealing ring (54).

5. A high-pressure pipeline rotary connection device according to claim 4, characterized in that: The fixing part (55) includes: The second thread (551) is formed on the inner wall of the fixed head (1); The cylindrical body (553) is attached to the top of the first annular body (51); The third thread (552) is formed on the outer wall of the cylinder (553) and is threaded to the second thread (551); Holes (554) are formed on the inner wall of the cylinder (553); The cylinder (553) is rotated by the cooperation of the second thread (551) and the third thread (552), thereby squeezing the first ring (51).

6. A high-pressure pipeline rotary connection device according to claim 1, characterized in that: The inner wall of the rotating head (2) is provided with a first thread (3).

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