Anti-rotation structure of hydraulic joint

Abstract

The utility model discloses a hydraulic joint anti-rotation structure which comprises a valve pipe used for being communicated with a pipeline, a connecting pipe arranged at the bottom end of the valve pipe and a threaded locking ring connected to the outer surface of the connecting pipe in a threaded mode, a cavity is formed in the valve pipe, and limiting blocks are fixedly arranged at the positions, close to the middle, of the two sides of the valve pipe. Cavities are formed in the positions, close to the top ends, of the two sides in the threaded locking ring, a connecting rod is arranged at the bottom in the threaded locking ring, a sliding block is fixedly arranged at the position, close to one side, of the bottom of the connecting rod, and a sliding groove is formed in the position, close to one side, of the bottom in the threaded locking ring. According to the anti-rotation structure for the hydraulic connector, by arranging the limiting block, the pin rod, the limiting groove, the movable rod and the connecting rod, when the anti-rotation structure is used, the connecting pipe can be rapidly limited, the operation steps and time of a user are reduced, convenience is brought to the user, and therefore the practicability of the anti-rotation structure is improved, and the use requirement of the user is met.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic joints, in particular to an anti-rotation structure of a hydraulic joint. Background Art

[0002] At present, hydraulic joints are used in more and more extensive fields, among which hydraulic joints are used in oil pipes. After the hydraulic joints on the oil pipes are installed, an anti-rotation structure is required to prevent the hydraulic joints from rotating with the oil pipes when the oil pipes are installed or removed, resulting in loose connections, oil leakage, or inability to remove the oil pipes, and sometimes the joints are removed together.

[0003] The comparative document "A hydraulic joint anti-rotation structure", patent number (CN216520080U), is provided with a connecting block and a fixing plate, and the fixing plate is connected to the mounting piece by bolts, so that when the fixing plate and the connecting block provided on the mounting piece are fitted together, the bolts are installed on the left and right groups of connecting blocks, thereby making it easy to install the hydraulic joint body on the anti-rotation structure.

[0004] However, the anti-rotation structure of the hydraulic joint is inconvenient to install or disassemble, and the user needs to use a wrench to tighten the bolts for disassembly and assembly, which brings inconvenience to the user and can no longer meet the user's needs. Utility Model Content

[0005] The purpose of the utility model is to provide a hydraulic joint anti-rotation structure to solve the problem that the hydraulic joint anti-rotation structure proposed in the above background technology is inconvenient to install or disassemble, and the user needs to use a wrench to tighten the bolts for disassembly, which brings inconvenience to the user and can no longer meet the user's needs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic joint anti-rotation structure, comprising a valve pipe for connecting a pipeline, a connecting pipe arranged at the bottom end of the valve pipe, and a threaded locking ring threadedly connected to the outer surface of the connecting pipe, wherein a cavity is opened inside the valve pipe, and limit blocks are fixedly arranged at the middle position on both sides of the valve pipe, and cavities are opened at the top position on both sides of the threaded locking ring, a connecting rod is arranged at the bottom of the threaded locking ring, a sliding block is fixedly arranged at the one side position of the bottom of the connecting rod, a sliding groove is opened at the one side position of the bottom of the threaded locking ring, a movable rod is arranged on the opposite side of the two connecting rods, a pin rod is fixedly arranged at the top of the movable rod, and the top of the pin rod contacts the inner wall of the threaded locking ring, a movable groove is opened at the middle position on the opposite side of the two connecting rods, and the opposite sides of the two movable rods extend to the inside of the movable groove and are movably connected with the movable groove.

[0007] Furthermore, the top end of the connecting pipe extends to the interior of the valve pipe, and the connecting pipe is communicated with the valve pipe.

[0008] Furthermore, a limiting groove is provided at the bottom end of the limiting block, and the limiting groove and the limiting block are integrated into one design.

[0009] Furthermore, the bottom end of the sliding block extends to the inside of the sliding groove and contacts the inner wall of the sliding groove, and the sliding block is slidably connected to the sliding groove.

[0010] Furthermore, the opposite sides of the two movable rods penetrate the threaded locking ring and extend to the outside thereof, and the movable rods are movably connected to the threaded locking ring.

[0011] Furthermore, a first support spring is fixedly provided at the bottom end of the movable rod, and the bottom end of the first support spring is fixedly connected to the connecting rod.

[0012] Furthermore, through grooves are provided on both sides of the top end of the threaded locking ring, and the through grooves and the threaded locking ring are integrated into one design.

[0013] Furthermore, second support springs are fixedly provided at the top and bottom positions on opposite sides of the two connecting rods, and opposite sides of the two second support springs are fixedly connected to the inner wall of the threaded locking ring.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The anti-rotation structure of the hydraulic joint, by providing a limit block, a pin rod, a limit groove, a movable rod and a connecting rod, enables the device to quickly limit the connecting pipe when in use, reduces the user's operating steps and time, brings convenience to the user, thereby improving the practicality of the device and meeting the user's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0018] Figure 3 for Figure 2 A is a partial enlarged schematic diagram;

[0019] Figure 4 It is a schematic diagram of the limiting groove of the utility model.

[0020] In the figure: 1. valve tube; 2. connecting tube; 3. threaded locking ring; 4. limit block; 5. connecting rod; 6. slider; 7. slide groove; 8. movable rod; 9. pin rod; 10. movable groove; 11. limit groove; 12. first support spring; 13. through groove; 14. second support spring. DETAILED DESCRIPTION

[0021] The utility model is further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely illustrative and not limiting of the protection scope of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a hydraulic joint anti-rotation structure, including a valve pipe 1 for connecting a pipeline, the valve pipe 1 is used to connect with an external pipeline, a connecting pipe 2 arranged at the bottom end of the valve pipe 1, the connecting pipe 2 is used to connect with the valve pipe 1, a threaded locking ring 3 threadedly connected to the outer surface of the connecting pipe 2, the threaded locking ring 3 is used to play a locking role, a cavity is opened inside the valve pipe 1, a limiting block 4 is fixedly arranged at the middle position on both sides of the valve pipe 1, the limiting block 4 is used to open a limiting groove 11, a cavity is opened at the top position on both sides of the threaded locking ring 3, a connecting rod 5 is arranged at the bottom of the threaded locking ring 3, the connecting rod 5 is used to set the corresponding components, and the bottom of the connecting rod 5 is close to the A slider 6 is fixedly provided at one side position, and the slider 6 can drive the connecting rod 5 to slide. A sliding groove 7 is opened at one side position of the inner bottom of the threaded locking ring 3, and the sliding groove 7 enables the slider 6 to slide. A movable rod 8 is provided on the opposite side of the two connecting rods 5, and the movable rod 8 can drive the connecting rod 5 to slide. A pin rod 9 is fixedly provided at the top of the movable rod 8, and the pin rod 9 is used to play a limiting role. The top of the pin rod 9 contacts the inner wall of the threaded locking ring 3, and a movable groove 10 is opened at the middle position on the opposite side of the two connecting rods 5. The movable groove 10 enables the movable rod 8 to move, and the opposite sides of the two movable rods 8 extend to the inside of the movable groove 10 and are movably connected with the movable groove 10.

[0023] Furthermore, the top end of the connecting pipe 2 extends to the interior of the valve pipe 1 , and the connecting pipe 2 is communicated with the valve pipe 1 , wherein the connecting pipe 2 is used to communicate with the valve pipe 1 .

[0024] Furthermore, a limiting groove 11 is provided at the bottom end of the limiting block 4 , and the limiting groove 11 and the limiting block 4 are integrated into one design, wherein the limiting groove 11 is used to connect with the pin rod 9 .

[0025] Furthermore, the bottom end of the slider 6 extends to the inside of the slide groove 7 and contacts the inner wall of the slide groove 7, and the slider 6 and the slide groove 7 are slidably connected, wherein the slider 6 and the slide groove 7 are used in conjunction with each other to enable the connecting rod 5 to slide.

[0026] Furthermore, the opposite sides of the two movable rods 8 penetrate the threaded locking ring 3 and extend to the outside thereof, and the movable rods 8 are movably connected to the threaded locking ring 3, wherein the movable rods 8 can push the connecting rod 5 to move.

[0027] Furthermore, a first support spring 12 is fixedly provided at the bottom end of the movable rod 8 , and the bottom end of the first support spring 12 is fixedly connected to the connecting rod 5 , wherein the first support spring 12 can support the movable rod 8 .

[0028] Furthermore, through grooves 13 are provided on both sides of the top of the threaded locking ring 3 , and the through grooves 13 and the threaded locking ring 3 are integrated into one, wherein the through grooves 13 facilitate the entry and exit of the pin rod 9 .

[0029] Furthermore, second support springs 14 are fixedly provided at the top and bottom positions on the opposite sides of the two connecting rods 5, and the opposite sides of the two second support springs 14 are fixedly connected to the inner wall of the threaded locking ring 3, wherein the second support springs 14 can support the connecting rods 5.

[0030] Working principle: When using this device, the valve tube 1 and the connecting tube 2 are plugged together, and then the user twists the threaded locking ring 3 to move toward the limit block 4 to lock and seal. When the threaded locking ring 3 is locked, the through groove 13 thereon will be aligned with the limit groove 11 on the limit block 4. Then the user presses the movable rod 8 to push the connecting rod 5 to move, so that the connecting rod 5 retracts backward, thereby moving the pin rod 9 on the movable rod 8. When the pin rod 9 moves to the through groove 13, the movable rod 8 synchronously retracts to the inside of the threaded locking ring 3, and then the movable rod 8 will move upward under the drive of the first support spring 12, thereby driving the pin rod 9 to move, so that the pin rod 9 is engaged with the limit groove 11 at the bottom of the limit block 4, thereby limiting the threaded locking ring 3 and preventing it from rotating.

[0031] According to the above working process, we can know:

[0032] The anti-rotation structure of the hydraulic joint, by providing a limit block 4, a pin rod 9, a limit groove 11, a movable rod 8 and a connecting rod 5, enables the device to quickly limit the connecting pipe 2 when in use, thereby reducing the user's operating steps and time, bringing convenience to the user, thereby improving the practicability of the device and meeting the user's usage needs.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic joint anti-rotation structure, comprising a valve pipe (1) for connecting a pipeline, a connecting pipe (2) arranged at the bottom end of the valve pipe (1), and a threaded locking ring (3) threadedly connected to the outer surface of the connecting pipe (2), characterized in that: The valve tube (1) has a cavity formed inside, and limit blocks (4) are fixedly provided at middle positions on both sides of the valve tube (1). The threaded locking ring (3) has cavities formed at top positions on both sides. A connecting rod (5) is provided at the bottom of the threaded locking ring (3). A sliding block (6) is fixedly provided at one side of the bottom of the connecting rod (5). A sliding groove (7) is provided at one side of the bottom of the threaded locking ring (3). A movable rod (8) is provided on the opposite sides of the two connecting rods (5). A pin rod (9) is fixedly provided at the top of the movable rod (8). The top of the pin rod (9) contacts the inner wall of the threaded locking ring (3). A movable groove (10) is provided at the middle position on the opposite sides of the two connecting rods (5). The opposite sides of the two movable rods (8) extend into the inside of the movable groove (10) and are movably connected to the movable groove (10).

2. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: The top end of the connecting pipe (2) extends to the interior of the valve pipe (1), and the connecting pipe (2) is in communication with the valve pipe (1).

3. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: A limiting groove (11) is provided at the bottom end of the limiting block (4), and the limiting groove (11) and the limiting block (4) are of an integrated design.

4. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: The bottom end of the sliding block (6) extends to the interior of the sliding groove (7) and contacts the inner wall of the sliding groove (7), and the sliding block (6) is slidably connected to the sliding groove (7).

5. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: The opposite sides of the two movable rods (8) penetrate the threaded locking ring (3) and extend to the outside thereof, and the movable rods (8) are movably connected to the threaded locking ring (3).

6. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: A first support spring (12) is fixedly arranged at the bottom end of the movable rod (8), and the bottom end of the first support spring (12) is fixedly connected to the connecting rod (5).

7. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: Through grooves (13) are provided on both sides of the top end of the threaded locking ring (3), and the through grooves (13) and the threaded locking ring (3) are of an integrated design.

8. The anti-rotation structure of a hydraulic joint according to claim 1, characterized in that: Second support springs (14) are fixedly arranged at the top and bottom positions of opposite sides of the two connecting rods (5), and opposite sides of the two second support springs (14) are fixedly connected to the inner wall of the threaded locking ring (3).

Images