Quickly-assembled hydraulic pipe end plug piece

Abstract

The utility model relates to the field of pipe joints, in particular to a quick-assembly type hydraulic pipe end plug piece which comprises a first fixing block. A first fixing pipe is fixedly connected to the front end of the first fixing block, a second fixing pipe is fixedly connected to the rear end of the first fixing block, and a leakage-proof pipe is installed on the outer wall of the front end of the first fixing pipe in a threaded mode. Oil body injected into the leakage-proof pipe through the hydraulic pipe end can be blocked by the water blocking disc, so that the oil body flows forwards into the second groove body through the first leakage hole and the second screw hole, and finally, the rubber ring is extruded at a gap where the hydraulic pipe end is in contact with the leakage-proof pipe, so that the blocking effect can be improved, and the leakage-proof pipe can be prevented from being blocked under the action of no continuous pressure. When the hydraulic pipe end rotates, the oil body in the second groove body cannot extrude the rubber ring forwards, the rubber ring is filled with the oil body in the second groove body, at the moment, when the hydraulic pipe end rotates, the oil body in the second groove body can lubricate threads on the inner wall of the third fixing pipe, and therefore the third fixing pipe can be rapidly disassembled conveniently.

Description

Technical Field

[0001] The utility model belongs to the field of pipe joints, and in particular relates to a quick-install hydraulic pipe end plugging component. Background Art

[0002] A hydraulic pipe is a pipe used to transfer hydraulic oil in a hydraulic system. It is usually made of a metal pipe with strong pressure resistance, such as steel or stainless steel, and may be wrapped with a protective layer on the outside. The hydraulic pipe is an important part that connects the various components in the hydraulic system. It ensures that the hydraulic oil can flow effectively in the system, thereby transferring energy to drive actuators such as hydraulic cylinders or hydraulic motors to work. A plug is a component in a hydraulic system that is used to block or close a part of a hydraulic pipe to isolate or cut off the flow of hydraulic oil. However, the hydraulic pipe end plugs in the prior art are usually difficult to improve the sealing effect on the pipe end when in use, and are not convenient for quick disassembly and assembly, which needs further improvement. Utility Model Content

[0003] In order to overcome the problems that the hydraulic pipe end plugging parts in the prior art are usually difficult to improve the sealing effect on the pipe end and are not convenient for quick disassembly and assembly when in use, a quick-install hydraulic pipe end plugging part is proposed.

[0004] The technical scheme of the utility model is: a quick-install hydraulic pipe end plug, comprising a first fixing block; a first fixing pipe is fixedly connected to the front end of the first fixing block, a second fixing pipe is fixedly connected to the rear end of the first fixing block, a leak-proof pipe is threadedly installed on the outer wall of the front end of the first fixing pipe, a third fixing pipe is fixedly connected to the front end of the leak-proof pipe, a first groove body is provided at the front end of the leak-proof pipe, a second groove body is provided at the rear end of the first groove body, the first groove body and the second groove body are both annular groove bodies, the outer diameter of the second groove body is greater than the outer diameter of the first groove body, the cross-section of the first groove body and the second groove body forms an "L" shape, a rubber ring is movably provided inside the second groove body, two third groove bodies are provided at the rear end of the second groove body, and the third groove A first leakage hole and a second screw hole are formed through one end of the body close to the center of the leakage-proof tube, a third through hole is formed through the centers of the front and rear ends of the first fixing block, an inner tube is fixedly connected to the inner wall of the third through hole, a water blocking disk is movably provided on the inner wall of the leakage-proof tube, a second movable column is fixedly connected to the rear end of the water blocking disk, a spring is fixedly connected to the rear end of the second movable column, a fixing ring is fixedly connected to the rear end of the spring, an outer wall of the fixing ring is fixedly connected to the inner wall of the inner tube, a movable rod is fixedly connected to the rear end of the second movable column, and the rear end of the movable rod passes through the fixing ring and extends to the rear of the fixing ring, a fourth fixed tube is fixedly connected to the rear end of the second fixed tube, a fifth fixed tube is fixedly connected to the rear end of the fourth fixed tube, and the first movable column is movably provided on the inner wall of the fifth fixed tube.

[0005] Preferably, when in use, the device is threadedly installed on the hydraulic pipe end. Specifically, the outer wall of the hydraulic pipe end is threadedly installed on the inner wall of the third fixed pipe, and the outer wall of the hydraulic pipe end is fitted with the inner wall of the first groove body, and the hydraulic pipe end is extended into the second groove body. In this way, the oil injected from the hydraulic pipe end into the leak-proof pipe will be blocked by the water-blocking disc, so that the oil will flow forward into the second groove body through the first leakage hole and the second screw hole. Finally, the rubber ring is squeezed into the gap where the hydraulic pipe end and the leak-proof pipe are in contact, thereby improving the sealing effect and the sealing performance. In addition, when disassembly is required, The water blocking disc moves forward, so that the liquid in the second groove body flows into the space behind the water blocking disc through the first leakage hole and the second screw hole. Without the effect of continuous pressure, the oil in the second groove body will not squeeze the rubber ring forward, and the oil in the second groove body will be filled outside the rubber ring. At this time, when the hydraulic pipe end rotates, the oil in the second groove body can lubricate the thread on the inner wall of the third fixed pipe, thereby facilitating the rapid disassembly of the third fixed pipe, solving the problem that the hydraulic pipe end plug in the prior art is usually difficult to improve the sealing effect on the pipe end when in use, and is not convenient for rapid disassembly and assembly.

[0006] Preferably, the inner diameter of the fixed ring is larger than the outer diameter of the movable rod, a water blocking ring is fixed to the outer wall of the movable rod, the rear end of the water blocking ring fits with the front end of the fixed ring, the outer diameter of the water blocking ring is larger than the inner diameter of the fixed ring, the rear end of the water blocking ring fits with the front end of the fixed ring, and the outer diameter of the water blocking ring is larger than the inner diameter of the fixed ring, so that the liquid at the front end of the fixed ring can be sealed.

[0007] Preferably, the outer diameter of the water blocking ring is smaller than the inner diameter of the inner tube, and the outer wall of the second movable column fits with the inner wall of the inner tube. The arrangement of the outer wall of the second movable column fitting with the inner wall of the inner tube can seal the liquid at the front end of the second movable column.

[0008] Preferably, the front end surface of the second movable column is located in front of the front end surface of the first fixed tube, and when the water blocking plate moves forward, the oil in the third tank body will flow into the rear of the water blocking plate through the first leakage hole and the second screw hole.

[0009] Preferably, the front end of the first fixed block is in an "I" shape, and grooves are provided on both sides of the first fixed block. The grooves are arranged through the front and rear ends of the first fixed block, and rotating arms are movably provided at the upper and lower ends of the inner wall of the groove. The upper and lower ends of the rotating arm are fixedly connected with rotating columns, and two first through holes symmetrical about the center of the first fixed block are arranged through the upper and lower ends of the first fixed block, and the inner wall of the first through hole is fitted with the outer wall of the rotating column, and second through holes are arranged through the upper and lower ends of the rotating arm. The first fixed block can be conveniently rotated by holding the two rotating arms, and the static placement of the second through holes can be facilitated by passing the rope through the two second through holes and winding it around the outer wall of the leak-proof tube.

[0010] Preferably, the rear end of the first movable column is open, and a threaded column is threadedly installed on the inner wall of the opening at the rear end of the first movable column. A second fixed block is fixedly connected to the rear end of the threaded column, and fixed columns are fixedly connected on both sides of the second fixed block. The threaded column is threadedly installed on the inner wall of the rear end of the first movable column. The threaded column can be rotated by holding the fixed column, thereby facilitating the movement of the first movable column.

[0011] Preferably, the rear end of the movable rod is fixedly connected to a water-blocking body, the central vertical section of the water-blocking body is an isosceles trapezoid, the central vertical section of the fourth fixed tube is an isosceles trapezoid, the outer diameter of the rear end face of the water-blocking body is equal to the inner diameter of the rear end face of the fourth fixed tube, the rear end of the fourth fixed tube is fixedly connected to a fifth fixed tube, the inner wall of the fifth fixed tube is fitted with the outer wall of the first movable column, the outer diameter of the rear end face of the water-blocking body is equal to the inner diameter of the rear end face of the fourth fixed tube, so as to seal the liquid around the water-blocking body.

[0012] Preferably, when the rear end face of the water blocking ring fits with the front end face of the fixing ring, the spring is in a compressed state, and when there is no oil body pressing the water blocking disc backward, the spring will rebound to facilitate moving the water blocking disc forward.

[0013] Beneficial effects of the utility model:

[0014] 1. The device is threadedly installed on the hydraulic pipe end. Specifically, the outer wall of the hydraulic pipe end is threadedly installed on the inner wall of the third fixed pipe, and the outer wall of the hydraulic pipe end is fitted with the inner wall of the first groove body, and the hydraulic pipe end is extended into the second groove body. In this way, the oil injected from the hydraulic pipe end into the anti-leakage pipe will be blocked by the water blocking disc, so that the oil will flow forward into the second groove body through the first leakage hole and the second screw hole. Finally, the rubber ring is squeezed into the gap where the hydraulic pipe end and the anti-leakage pipe are in contact, thereby improving the blocking effect and the sealing performance. In addition, when disassembly is required, the water blocking disc will be The plate moves forward, so that the liquid in the second groove body flows into the space behind the water blocking plate through the first leakage hole and the second screw hole. Without the effect of continuous pressure, the oil in the second groove body will not squeeze the rubber ring forward, and the oil in the second groove body will be filled outside the rubber ring. At this time, when the hydraulic pipe end rotates, the oil in the second groove body can lubricate the threads on the inner wall of the third fixed pipe, thereby facilitating the rapid disassembly of the third fixed pipe, solving the problem that the hydraulic pipe end plug in the prior art is usually difficult to improve the sealing effect on the pipe end and is not convenient for rapid disassembly and assembly;

[0015] 2. The rear end of the water blocking ring fits with the front end of the fixed ring. The outer diameter of the water blocking ring is larger than the inner diameter of the fixed ring, so the liquid at the front end of the fixed ring can be blocked. The outer wall of the second movable column fits with the inner wall of the inner tube, so the liquid at the front end of the second movable column can be blocked. The outer diameter of the rear end surface of the water blocking body is equal to the inner diameter of the rear end surface of the fourth fixed tube, so the liquid around the water blocking body can be blocked. The use of multi-stage blocking can improve the sealing performance of the plug;

[0016] 3. By threading the threaded column on the inner wall of the rear end of the first movable column, the threaded column can be rotated by holding the fixed column, so as to facilitate the movement of the first movable column. The first fixed block can be rotated by holding the two rotating arms. The rope is passed through the two second through holes and wound around the outer wall of the leak-proof tube, so as to facilitate the static placement of the second through hole.

[0017] 4. When the rear end face of the water blocking ring fits with the front end face of the fixing ring, the spring is in a compressed state. When there is no oil body pressing the water blocking disc backward, the spring will rebound to facilitate the movement of the water blocking disc forward. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The three-dimensional structure diagram of a quick-install hydraulic pipe end plug of the utility model is shown;

[0019] Figure 2 What is shown is a three-dimensional cross-sectional structure schematic diagram of a quick-install hydraulic pipe end plug of the utility model;

[0020] Figure 3 The utility model is a quick-install hydraulic pipe end plug Figure 2 A schematic diagram of a partially enlarged three-dimensional structure at A in FIG.

[0021] Figure 4 The figure shows a cross-sectional three-dimensional structure diagram of a first fixing block of a quick-install hydraulic pipe end plug of the utility model;

[0022] Figure 5 The utility model is a quick-install hydraulic pipe end plug Figure 4 A schematic diagram of the partially enlarged three-dimensional structure at point B in the figure.

[0023] The markings in the accompanying drawings are: 1. first fixed block; 2. first fixed tube; 3. second fixed tube; 4. leak-proof tube; 5. third fixed tube; 6. groove; 7. rotating arm; 8. first through hole; 9. rotating column; 10. second through hole; 11. fourth fixed tube; 12. fifth fixed tube; 13. first movable column; 14. threaded column; 15. second fixed block; 16. fixed column; 17. third through hole; 18. inner tube; 19. water blocking disk; 20. second movable column; 21. spring; 22. fixed ring; 23. movable rod; 24. water blocking body; 25. water blocking ring; 26. first slot body; 27. second slot body; 28. rubber ring; 29. ​​third slot body; 30. first leak hole; 31. second screw hole. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 5 The utility model provides an embodiment: a quick-install hydraulic pipe end plug, comprising a first fixed block 1; a first fixed pipe 2 is fixedly connected to the front end of the first fixed block 1, a second fixed pipe 3 is fixedly connected to the rear end of the first fixed block 1, a leak-proof pipe 4 is threadedly installed on the outer wall of the front end of the first fixed pipe 2, a third fixed pipe 5 is fixedly connected to the front end of the leak-proof pipe 4, a first groove body 26 is provided at the front end of the leak-proof pipe 4, a second groove body 27 is provided at the rear end of the first groove body 26, the first groove body 26 and the second groove body 27 are both annular groove bodies, the outer diameter of the second groove body 27 is larger than the outer diameter of the first groove body 26, the cross-section of the first groove body 26 and the second groove body 27 forms an "L" shape, a rubber ring 28 is movably provided inside the second groove body 27, two third groove bodies 29 are provided at the rear end of the second groove body 27, and the third groove body 29 is close to the leak-proof pipe 4 A first leakage hole 30 and a second screw hole 31 are formed through one end of the center, a third through hole 17 is formed through the center of the front and rear ends of the first fixed block 1, an inner cylinder 18 is fixedly connected to the inner wall of the third through hole 17, a water blocking disc 19 is movably provided on the inner wall of the leak-proof tube 4, a second movable column 20 is fixedly connected to the rear end of the water blocking disc 19, a spring 21 is fixedly connected to the rear end of the second movable column 20, a fixing ring 22 is fixedly connected to the rear end of the spring 21, an outer wall of the fixing ring 22 is fixedly connected to the inner wall of the inner cylinder 18, a movable rod 23 is fixedly connected to the rear end of the second movable column 20, a rear end of the movable rod 23 passes through the fixing ring 22 and extends to the rear of the fixing ring 22, a fourth fixed tube 11 is fixedly connected to the rear end of the second fixed tube 3, a fifth fixed tube 12 is fixedly connected to the rear end of the fourth fixed tube 11, and a first movable column 13 is movably provided on the inner wall of the fifth fixed tube 12.

[0026] See also Figure 2In this embodiment, the inner diameter of the fixed ring 22 is larger than the outer diameter of the movable rod 23, and a water blocking ring 25 is fixedly connected to the outer wall of the movable rod 23. The rear end of the water blocking ring 25 fits with the front end of the fixed ring 22, and the outer diameter of the water blocking ring 25 is larger than the inner diameter of the fixed ring 22. The outer diameter of the water blocking ring 25 is smaller than the inner diameter of the inner tube 18, and the outer wall of the second movable column 20 fits with the inner wall of the inner tube 18, and the front end face of the second movable column 20 is located in front of the front end face of the first fixed tube 2.

[0027] See also Figure 1 In the present embodiment, the front end of the first fixed block 1 is in the shape of an I-character, and grooves 6 are provided on both sides of the first fixed block 1. The grooves 6 are through-set at the front and rear ends of the first fixed block 1, and the upper and lower ends of the inner wall of the groove 6 are movably provided with rotating arms 7, and the upper and lower ends of the rotating arms 7 are fixedly connected with rotating columns 9. The upper and lower ends of the first fixed block 1 are through-set with two first through holes 8 symmetrical about the center of the first fixed block 1, and the inner wall of the first through hole 8 fits with the outer wall of the rotating column 9, and the upper and lower ends of the rotating arm 7 are through-set with second through holes 10, and the rear end of the first movable column 13 is open, and the inner wall of the opening at the rear end of the first movable column 13 is threadedly installed with a threaded column 14, and the rear end of the threaded column 14 is fixedly connected to the second fixed block 15, and the two sides of the second fixed block 15 are fixedly connected to fixed columns 16.

[0028] See also Figure 2 and Figure 4 In this embodiment, the rear end of the movable rod 23 is fixedly connected to a water blocking body 24, the central vertical section of the water blocking body 24 is an isosceles trapezoid, the central vertical section of the fourth fixed tube 11 is an isosceles trapezoid, the outer diameter of the rear end face of the water blocking body 24 is equal to the inner diameter of the rear end face of the fourth fixed tube 11, the rear end of the fourth fixed tube 11 is fixedly connected to the fifth fixed tube 12, and the inner wall of the fifth fixed tube 12 is in contact with the outer wall of the first movable column 13.

[0029] See also Figure 2 In this embodiment, when the rear end surface of the water blocking ring 25 is in contact with the front end surface of the fixing ring 22, the spring 21 is in a compressed state.

[0030] When working, first, the device is threadedly installed on the hydraulic pipe end. Specifically, the two rotating arms 7 can be held to conveniently rotate the first fixed block 1, so that the outer wall of the hydraulic pipe end is threadedly installed on the inner wall of the third fixed pipe 5, and the outer wall of the hydraulic pipe end is fitted with the inner wall of the first groove body 26, and the hydraulic pipe end is extended into the second groove body 27. In this way, the oil injected from the hydraulic pipe end into the anti-leakage pipe 4 will be blocked by the water blocking disc 19, so that the oil will flow forward into the second groove body 27 through the first leakage hole 30 and the second screw hole 31. Finally, the rubber ring 28 is squeezed in the gap where the hydraulic pipe end and the anti-leakage pipe 4 are in contact, thereby improving the blocking effect and the sealing performance;

[0031] Afterwards, the rope is passed through the two second through holes 10 and wound around the outer wall of the leak-proof tube 4, which can facilitate the static placement of the second through holes 10, and the threaded column 14 is threadedly installed on the rear end inner wall of the first movable column 13, and the threaded column 14 can be rotated by holding the fixed column 16;

[0032] In addition, when disassembly is required, the oil pressure in front of the water blocking disk 19 is released. When the rear end face of the water blocking ring 25 is in contact with the front end face of the fixing ring 22, the spring 21 is in a compressed state. When there is no oil body to press the water blocking disk 19 backward, the spring 21 will rebound to facilitate the movement of the water blocking disk 19 forward, so that the liquid in the second groove body 27 flows into the space behind the water blocking disk 19 through the first leakage hole 30 and the second screw hole 31. In the absence of continuous pressure, the oil body in the second groove body 27 will not squeeze the rubber ring 28 forward, and the oil body in the second groove body 27 will be filled outside the rubber ring 28. At this time, when the oil body in the second groove body 27 rotates at the hydraulic pipe end, it can lubricate the thread of the inner wall of the third fixing pipe 5, thereby facilitating the rapid disassembly of the third fixing pipe 5.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A quick-install hydraulic pipe end plug, comprising a first fixing block (1); characterized in that: The front end of the first fixing block (1) is fixedly connected to a first fixing tube (2), the rear end of the first fixing block (1) is fixedly connected to a second fixing tube (3), the front end outer wall of the first fixing tube (2) is threadedly mounted with a leak-proof tube (4), the front end of the leak-proof tube (4) is fixedly connected to a third fixing tube (5), the front end of the leak-proof tube (4) is provided with a first groove body (26), the rear end of the first groove body (26) is provided with a second groove body (27), the first groove body (26) and the second groove body (27) are both annular groove bodies, the outer diameter of the second groove body (27) is larger than the outer diameter of the first groove body (26), the cross-section of the first groove body (26) and the second groove body (27) forms an "L" shape, the interior of the second groove body (27) is movably provided with a rubber ring (28), the rear end of the second groove body (27) is provided with two third groove bodies (29), the end of the third groove body (29) close to the center of the leak-proof tube (4) is penetrated by a first leakage hole (30) and a second leakage hole (31). The first fixing block (1) has a screw hole (31), a third through hole (17) is formed in the center of both front and rear ends of the first fixing block (1), an inner tube (18) is fixedly connected to the inner wall of the third through hole (17), a water blocking disc (19) is movably provided on the inner wall of the leak-proof tube (4), a second movable column (20) is fixedly connected to the rear end of the water blocking disc (19), a spring (21) is fixedly connected to the rear end of the second movable column (20), a fixing ring (22) is fixedly connected to the rear end of the spring (21), an outer wall of the fixing ring (22) is fixedly connected to the inner wall of the inner tube (18), a movable rod (23) is fixedly connected to the rear end of the second movable column (20), a rear end of the movable rod (23) passes through the fixing ring (22) and extends to the rear of the fixing ring (22), a fourth fixing tube (11) is fixedly connected to the rear end of the second fixing tube (3), a fifth fixing tube (12) is fixedly connected to the rear end of the fourth fixing tube (11), and the first movable column (13) is movably provided on the inner wall of the fifth fixing tube (12).

2. The quick-install hydraulic pipe end plug according to claim 1, characterized in that: The inner diameter of the fixed ring (22) is larger than the outer diameter of the movable rod (23); a water blocking ring (25) is fixedly connected to the outer wall of the movable rod (23); the rear end of the water blocking ring (25) fits with the front end of the fixed ring (22); and the outer diameter of the water blocking ring (25) is larger than the inner diameter of the fixed ring (22).

3. The quick-install hydraulic pipe end plug according to claim 2, characterized in that: The outer diameter of the water blocking ring (25) is smaller than the inner diameter of the inner cylinder (18), and the outer wall of the second movable column (20) fits the inner wall of the inner cylinder (18).

4. The quick-install hydraulic pipe end plug according to claim 1, characterized in that: The front end surface of the second movable column (20) is located in front of the front end surface of the first fixed tube (2).

5. The quick-install hydraulic pipe end plug according to claim 1, characterized in that: The front end of the first fixed block (1) is in the shape of an "I" character. Grooves (6) are provided on both sides of the first fixed block (1). The grooves (6) are provided through the front and rear ends of the first fixed block (1). Rotating arms (7) are movably provided at the upper and lower ends of the inner wall of the groove (6). Rotating columns (9) are fixedly connected to the upper and lower ends of the rotating arms (7). Two first through holes (8) symmetrically arranged about the center of the first fixed block (1) are provided through the upper and lower ends of the first fixed block (1). The inner wall of the first through hole (8) is in contact with the outer wall of the rotating column (9). Second through holes (10) are provided through the upper and lower ends of the rotating arms (7).

6. The quick-install hydraulic pipe end plug according to claim 1, characterized in that: The rear end of the first movable column (13) is open, a threaded column (14) is threadedly mounted on the inner wall of the rear end opening of the first movable column (13), a second fixed block (15) is fixedly connected to the rear end of the threaded column (14), and fixed columns (16) are fixedly connected to both sides of the second fixed block (15).

7. The quick-install hydraulic pipe end plug according to claim 1, characterized in that: The rear end of the movable rod (23) is fixedly connected to a water blocking body (24), the central vertical section of the water blocking body (24) is an isosceles trapezoid, the central vertical section of the fourth fixed tube (11) is an isosceles trapezoid, the outer diameter of the rear end surface of the water blocking body (24) is equal to the inner diameter of the rear end surface of the fourth fixed tube (11), the rear end of the fourth fixed tube (11) is fixedly connected to a fifth fixed tube (12), and the inner wall of the fifth fixed tube (12) is in contact with the outer wall of the first movable column (13).

8. The quick-install hydraulic pipe end plug according to claim 2, characterized in that: When the rear end surface of the water shutoff ring (25) is in contact with the front end surface of the fixing ring (22), the spring (21) is in a compressed state.

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