Anti-rotation mechanism for rotary joint of expansion cylinder

Abstract

The utility model discloses an anti-rotation mechanism for a rotary joint of an expansion cylinder, which relates to the technical field of rotation prevention of rotary joints and comprises a rotary joint main body and a limit component, the front end of the rotary joint main body is connected with a connecting pipe, and the limit component is arranged outside the rotary joint main body. The limiting assembly comprises a mounting frame, threaded mounting grooves, threaded rotating rods, auxiliary rotating handles, limiting blocks, mounting rings, mounting blocks and butt joint grooves, the threaded mounting grooves are formed in the two ends of the interior of the mounting frame, the threaded rotating rods are connected into the threaded mounting grooves, the auxiliary rotating handles are arranged at the rear ends of the threaded rotating rods, and meanwhile the limiting blocks are arranged at the front ends of the threaded rotating rods; a mounting ring is arranged outside the rotating connector body, mounting blocks are additionally arranged at the two ends of the exterior of the mounting ring, and butt joint grooves are formed in the middle ends of the interiors of the mounting blocks. The anti-rotation mechanism for the rotary joint of the expansion and contraction cylinder can be in butt joint with the rotary joint of the expansion and contraction cylinder quickly, the convenience in the butt joint process is improved, and the use efficiency of the anti-rotation mechanism is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-rotation of rotary joints, in particular to an anti-rotation mechanism of a rotary joint of an expansion and contraction cylinder. Background Art

[0002] The expansion cylinder rotary joint refers to the expansion and contraction hydraulic cylinder rotary joint, which is a joint used to connect the expansion and contraction hydraulic cylinder and the hydraulic system. It can enable the hydraulic cylinder to rotate freely during operation, thereby achieving more flexible operation. It is used to transmit various media such as gas, liquid, and oil. This joint adopts a compact design structure and flange connection, and is effectively integrated into the customer's equipment. In order to improve the use efficiency of the expansion cylinder rotary joint, an anti-rotation mechanism is required, but the existing anti-rotation mechanism still has the following shortcomings:

[0003] When the existing anti-rotation mechanisms are used, most of them are difficult to quickly connect and install with the rotating joints, making it difficult to easily position the anti-rotation mechanisms. This makes the installation of the anti-rotation mechanisms relatively time-consuming and labor-intensive, while increasing the intensity of manual labor, resulting in reduced practicality and reduced efficiency of the anti-rotation mechanisms.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an anti-rotation mechanism of the expansion and contraction cylinder rotary joint is proposed. Utility Model Content

[0005] The utility model aims to provide an anti-rotation mechanism for a rotary joint of an expansion and contraction cylinder to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-rotation mechanism of an expansion and contraction cylinder rotary joint, comprising a rotary joint body and a limit assembly, a connecting pipe being connected to the front end of the rotary joint body, a limit assembly being arranged on the outside of the rotary joint body, and the limit assembly comprising a mounting frame, a threaded mounting groove, a threaded rotating rod, an auxiliary turning handle, a limit block, a mounting ring, a mounting block and a docking groove, threaded mounting grooves being provided at both ends of the interior of the mounting frame, a threaded rotating rod being connected to the interior of the threaded mounting groove, an auxiliary turning handle being provided at the rear end of the threaded rotating rod, and a limit block being provided at the front end of the threaded rotating rod, a mounting ring being provided on the outside of the rotary joint body, mounting blocks being additionally arranged at both ends of the exterior of the mounting ring, a docking groove being provided at the middle end of the interior of the mounting block, and a mounting assembly being arranged on the outside of the mounting frame.

[0007] Furthermore, the outer dimensions of the threaded rotating rod are matched with the inner dimensions of the threaded mounting groove, and the threaded rotating rod is rotatably connected to the mounting frame through the threaded mounting groove.

[0008] Furthermore, the inner dimensions of the mounting ring are matched with the outer dimensions of the rotary joint body, and the mounting ring is fixedly connected to the rotary joint body.

[0009] Furthermore, the number of the mounting blocks is two, and the two mounting blocks are symmetrically arranged at two ends of the outside of the mounting ring with respect to the side center axis of the mounting ring.

[0010] Furthermore, the inner dimensions of the docking groove are matched with the outer dimensions of the limiting block, and the limiting block is connected to the mounting block through the docking groove.

[0011] Furthermore, the installation component includes an installation vertical rod, a limiting slide groove, a limiting slider, a docking through hole and a fastening bolt. A limiting slide groove is opened in the middle end of the installation vertical rod, and the limiting slide groove is connected to the inside of the limiting slide. A docking through hole is opened in the middle end of the limiting slider, and a fastening bolt is connected to the inside of the docking through hole.

[0012] Furthermore, the inner dimensions of the limiting slide groove are matched with the outer dimensions of the limiting slider, and the limiting slider is slidably connected to the mounting vertical rod through the limiting slide groove.

[0013] Furthermore, the inner dimension of the docking through hole is matched with the outer dimension of the fastening bolt, and the fastening bolt is embeddedly connected with the limiting slider through the docking through hole.

[0014] The utility model provides an anti-rotation mechanism for a rotary joint of an expansion and contraction cylinder, which has the following beneficial effects:

[0015] 1. The utility model provides a limit assembly, and when the anti-rotation mechanism of the expansion and contraction cylinder rotary joint is used, the mounting ring can be fixedly installed on the outside of the rotary joint body by fastening screws, and the mounting blocks can be fixedly installed on the two ends of the outside of the mounting ring in cooperation with the fastening screws, and the threaded rotating rod can be rotated and installed into the inside of the mounting frame through the threaded mounting groove, and the mounting frame can be installed on the outside of the rotary joint body, and the threaded rotating rod can be rotated to make the limit block and the docking groove provided in the mounting block contact each other, so that the rotary joint body is limited by the limit block and the mounting block, thereby preventing the rotary joint from rotating during use, and improving the convenience and efficiency of the anti-rotation mechanism during use.

[0016] 2. Through the setting of the installation component, the utility model can fix the limit slider on the rear end of the outside of the installation frame by fastening screws when the anti-rotation mechanism of the expansion and contraction cylinder rotary joint is in use, and the installation frame is slidably installed on the outside of the installation vertical rod by using the limit slide groove and the limit slider, thereby realizing the rapid limit installation of the anti-rotation mechanism. At the same time, the internal size of the docking through hole opened in the limit slider matches the external size of the fastening bolt, so that the limit slider is fixed to the inside of the installation vertical rod by the docking through hole and the fastening bolt, thereby improving the stability of the anti-rotation mechanism during use, avoiding the position deviation of the main body of the rotary joint inside the installation frame during use, and increasing the overall practicality of the anti-rotation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of an anti-rotation mechanism of an expansion and contraction cylinder rotary joint of the utility model;

[0018] Figure 2 It is a three-dimensional unfolding structure schematic diagram of a limit assembly of an anti-rotation mechanism of a rotary joint of an expansion and contraction cylinder of the utility model;

[0019] Figure 3 The utility model is a three-dimensional unfolding structure schematic diagram of the installation assembly of the anti-rotation mechanism of the expansion and contraction cylinder rotary joint.

[0020] In the figure: 1. Rotary joint body; 2. Connecting pipe; 3. Limiting assembly; 301. Mounting frame; 302. Threaded mounting groove; 303. Threaded rotating rod; 304. Auxiliary turning handle; 305. Limiting block; 306. Mounting ring; 307. Mounting block; 308. Docking groove; 4. Mounting assembly; 401. Mounting vertical rod; 402. Limiting slide groove; 403. Limiting slider; 404. Docking through hole; 405. Fastening bolt. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0022] like Figures 1 to 3As shown, an anti-rotation mechanism of an expansion and contraction cylinder rotary joint includes a rotary joint body 1 and a limit assembly 3. The front end of the rotary joint body 1 is connected to a connecting pipe 2. The limit assembly 3 is arranged outside the rotary joint body 1, and the limit assembly 3 includes a mounting frame 301, a threaded mounting groove 302, a threaded rotating rod 303, an auxiliary turning handle 304, a limit block 305, a mounting ring 306, a mounting block 307 and a docking groove 308. The mounting frame 301 has threaded mounting grooves 302 at both ends, and the threaded mounting groove 302 is connected to the threaded rotating rod 303, and the threaded rotating rod 303 is connected to the threaded rotating rod 303. 03 is provided with an auxiliary turning handle 304 at the rear end, and a limit block 305 is provided at the front end of the threaded rotating rod 303. A mounting ring 306 is provided on the outside of the rotating joint body 1, and mounting blocks 307 are added at both ends of the outside of the mounting ring 306, and a docking groove 308 is opened at the middle end of the mounting block 307. The outer size of the threaded rotating rod 303 is matched with the inner size of the threaded mounting groove 302, and the threaded rotating rod 303 is rotatably connected to the mounting frame 301 through the threaded mounting groove 302. The inner size of the mounting ring 306 is matched with the outer size of the rotating joint body 1, and the mounting ring 30 6 is fixedly connected to the rotary joint body 1, the number of mounting blocks 307 is set to two, and the two mounting blocks 307 are symmetrically arranged at the two ends of the outer side of the mounting ring 306 with the side center axis of the mounting ring 306, the inner size of the docking groove 308 is adapted to the outer size of the limit block 305, and the limit block 305 is connected to the mounting block 307 through the docking groove 308, the mounting ring 306 is fixedly installed on the outside of the rotary joint body 1 by fastening screws, and the mounting blocks 307 are fixedly installed on the two ends of the outer side of the mounting ring 306 with the fastening screws, and the threaded mounting groove 302 is fixed The threaded rotating rod 303 is rotated and installed into the installation frame 301, and the auxiliary turning handle 304 is rotated to make the limit block 305 connected to the front end of the threaded rotating rod 303 move up and down accordingly, and the installation frame 301 is installed on the outside of the rotary joint body 1, and the threaded rotating rod 303 is rotated to make the limit block 305 connect with the docking groove 308 opened in the installation block 307, so that the rotary joint body 1 is limited by the limit block 305 and the installation block 307, thereby preventing the rotary joint from rotating during use, thereby improving the convenience and efficiency of the anti-rotation mechanism during use.

[0023] like Figures 1 to 3As shown, an installation component 4 is arranged outside the installation frame 301, and the installation component 4 includes an installation vertical rod 401, a limiting slide groove 402, a limiting slider 403, a docking through hole 404 and a fastening bolt 405. A limiting slide groove 402 is provided at the middle end of the interior of the installation vertical rod 401, and the limiting slide groove 402 is connected to the limiting slider 403, and a docking through hole 404 is provided at the middle end of the interior of the limiting slider 403, and a fastening bolt 405 is connected to the docking through hole 404 at the same time. The inner size of the limiting slide groove 402 is matched with the outer size of the limiting slider 403, and the limiting slider 403 is slidably connected to the installation vertical rod 401 through the limiting slide groove 402, the inner size of the docking through hole 404 is matched with the outer size of the fastening bolt 405, and the fastening bolt 405 is embeddedly connected to the limiting slider 403 through the docking through hole 404. The limit slider 403 is fixedly installed on the rear end of the outside of the installation frame 301 by fastening screws, and at the same time, the outer size of the limit slider 403 is adapted to the inner size of the limit slot 402 opened at the middle end of the inside of the installation vertical rod 401, so that the installation frame 301 is slidably installed on the outside of the installation vertical rod 401 through the limit slot 402 and the limit slider 403, thereby realizing the rapid limit installation of the anti-rotation mechanism, and at the same time, the inner size of the docking through hole 404 opened in the limit slider 403 is matched with the outer size of the fastening bolt 405, so that the limit slider 403 is fixed to the inside of the installation vertical rod 401 through the docking through hole 404 and the fastening bolt 405, thereby improving the stability of the anti-rotation mechanism during use, avoiding the position deviation of the internal rotating joint body 1 of the installation frame 301 during use, and increasing the overall practicality of the anti-rotation mechanism.

[0024] In summary, when the anti-rotation mechanism of the expansion and contraction cylinder rotary joint is used, the rotary joint body 1 is first connected to the connecting pipe 2 so that various media such as gas, liquid, and oil can be transmitted, and the limiting slider 403 is fixedly installed on the rear end of the outside of the installation frame 301 by tightening the screws, and the installation frame 301 is slidably installed on the outside of the installation vertical rod 401 by using the limiting slide groove 402 and the limiting slider 403, so as to realize the rapid limiting installation of the anti-rotation mechanism, and at the same time, the limiting slider 403 is fixed to the inside of the installation vertical rod 401 by the docking through hole 404 and the fastening bolt 405, so as to improve the stability of the anti-rotation mechanism during use and avoid the position deviation of the rotary joint body 1 inside the installation frame 301 during use, and then, the mounting ring 30 is fixed by tightening the screws. 6 is fixedly installed on the outside of the rotary joint body 1, and the mounting blocks 307 are fixedly installed on the two ends of the outside of the mounting ring 306 with the help of fastening screws, the threaded rotating rod 303 is rotated and installed into the inside of the mounting frame 301 through the threaded mounting groove 302, and the auxiliary turning handle 304 is rotated to make the limit block 305 connected to the front end of the threaded rotating rod 303 move up and down accordingly, the mounting frame 301 is installed on the outside of the rotary joint body 1, and the threaded rotating rod 303 is rotated to make the limit block 305 and the docking groove 308 opened in the mounting block 307 are connected, so that the rotary joint body 1 is limited by the limit block 305 and the mounting block 307, thereby preventing the rotary joint from rotating during use, and improving the convenience and efficiency of the anti-rotation mechanism during use.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An anti-rotation mechanism for an expansion and contraction cylinder rotary joint, comprising a rotary joint body (1) and a limit assembly (3), characterized in that: The front end of the rotary joint body (1) is connected to a connecting pipe (2), and a limit assembly (3) is arranged outside the rotary joint body (1), and the limit assembly (3) comprises a mounting frame (301), a threaded mounting groove (302), a threaded rotating rod (303), an auxiliary rotating handle (304), a limit block (305), a mounting ring (306), a mounting block (307) and a docking groove (308), and the mounting frame (301) is provided with threaded mounting grooves (302) at both ends thereof, and the threaded mounting grooves (302) are provided at the bottom of the rotary joint body (1). A threaded rotating rod (303) is connected to the inside of the rotating joint (302), and an auxiliary rotating handle (304) is arranged at the rear end of the threaded rotating rod (303), and a limit block (305) is arranged at the front end of the threaded rotating rod (303). A mounting ring (306) is arranged outside the rotating joint body (1), and mounting blocks (307) are added at both ends of the outside of the mounting ring (306), and a docking groove (308) is opened at the middle end of the inside of the mounting block (307). A mounting assembly (4) is arranged outside the mounting frame (301).

2. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 1, characterized in that: The outer dimensions of the threaded rotating rod (303) are matched with the inner dimensions of the threaded mounting groove (302), and the threaded rotating rod (303) is rotatably connected to the mounting frame (301) via the threaded mounting groove (302).

3. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 1, characterized in that: The inner dimensions of the mounting ring (306) are matched to the outer dimensions of the rotary joint body (1), and the mounting ring (306) is fixedly connected to the rotary joint body (1).

4. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 1, characterized in that: The number of the mounting blocks (307) is two, and the two mounting blocks (307) are symmetrically arranged at two ends of the outside of the mounting ring (306) with respect to the side center axis of the mounting ring (306).

5. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 1, characterized in that: The inner dimensions of the docking groove (308) are matched with the outer dimensions of the limiting block (305), and the limiting block (305) is connected to the mounting block (307) via the docking groove (308).

6. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 1, characterized in that: The mounting assembly (4) comprises a mounting vertical rod (401), a limiting sliding groove (402), a limiting slider (403), a docking through hole (404) and a fastening bolt (405); a limiting sliding groove (402) is provided at the middle end of the mounting vertical rod (401), and the limiting sliding groove (402) is connected to the limiting slider (403); a docking through hole (404) is provided at the middle end of the limiting slider (403), and a fastening bolt (405) is connected to the docking through hole (404).

7. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 6, characterized in that: The inner dimensions of the limiting slide groove (402) are matched with the outer dimensions of the limiting slider (403), and the limiting slider (403) is slidably connected to the mounting vertical rod (401) via the limiting slide groove (402).

8. The anti-rotation mechanism of the expansion and contraction cylinder rotary joint according to claim 6, characterized in that: The inner dimensions of the docking through hole (404) are matched to the outer dimensions of the fastening bolt (405), and the fastening bolt (405) is embeddedly connected to the limiting sliding block (403) through the docking through hole (404).

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