Piston rod with wear-resistant structure

Abstract

The utility model relates to the technical field of piston rods, and discloses a piston rod with a wear-resistant structure, which comprises a connecting rod, the left end and the right end of the connecting rod are fixedly connected with connecting ends, and the ends, far away from each other, of the two connecting ends are in threaded connection with screw rods. The adjacent ends of the two screw rods penetrate through the ends, away from each other, of the connecting ends and are rotationally connected with extrusion blocks, a plurality of sliding grooves are formed in the left end and the right end of the outer wall of the connecting rod, clamping plates are slidably connected to the interiors of the sliding grooves, and inclined plates are fixedly connected to the adjacent sides of the clamping plates; the sides, away from each other, of the multiple clamping plates are fixedly connected with springs, and the left end and the right end of the outer wall of the connecting rod are fixedly connected with gaskets. According to the utility model, the gaskets are sleeved at the left end and the right end of the connecting rod, and the screw rod is rotated to drive the clamping plates to unfold towards the periphery, so that the clamping plates are inserted into the clamping grooves in the inner walls of the gaskets, and the gaskets are quickly mounted and limited.

Description

Technical Field

[0001] The utility model relates to the technical field of piston rods, in particular to a piston rod with a wear-resistant structure. Background Art

[0002] The piston rod is a common mechanical component in hydraulic or pneumatic systems. It is usually made of high-strength steel and has good wear resistance and fatigue resistance. The main function of the piston rod is to convert hydraulic or pneumatic energy into mechanical energy, drive the piston movement, and thus realize various mechanical actions.

[0003] A search revealed Chinese patent publication number CN218031369U, which discloses a piston rod with a wear-resistant structure. The rod comprises a piston rod body comprising a base core, a high-manganese steel layer disposed on the outer surface of the base core, and a high-chromium cast iron layer disposed on the outer surface of the high-manganese steel layer. Prior art piston rods struggle to achieve both wear resistance and structural strength. Traditional single-material or simple composite structures are prone to reduced service life due to insufficient strength. Therefore, a piston rod with enhanced strength and wear resistance through a multi-layer composite structure is needed. Utility Model Content

[0004] In order to make up for the above deficiencies, the present invention provides a piston rod with a wear-resistant structure, aiming to improve the problem in the prior art that washers are simply provided at both ends of the piston rod and the washers are displaced during use.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a piston rod with a wear-resistant structure, including a connecting rod, the left and right ends of the connecting rod are fixedly connected to the connecting end, the two ends of the connecting end are threadedly connected to the screw, the adjacent ends of the two screws pass through the ends of the connecting end and are rotatably connected to the extrusion block, the left and right ends of the outer wall of the connecting rod are provided with a plurality of sliding grooves, the interiors of the plurality of sliding grooves are slidably connected with a clamping plate, the adjacent sides of the plurality of clamping plates are fixedly connected with an inclined plate, the sides of the plurality of clamping plates are fixedly connected with a spring, the left and right ends of the outer wall of the connecting rod are fixedly connected with a washer, the inner wall of the washer is provided with a clamping groove, and a reinforcement mechanism is provided inside the connecting rod.

[0006] Through the above technical solution: by rotating the screw, the extrusion block is driven to be inserted between the inclined plates, so that the inclined plates push the clamping plates to expand to the four sides, and the clamping plates are inserted into the clamping grooves on the inner walls of the gaskets to reinforce the gaskets and ensure the firmness and stability of the gaskets.

[0007] As a further description of the above technical solution:

[0008] The reinforcement mechanism includes a base core, the outer wall of the base core is arranged inside the connecting rod, the outer wall of the base core is provided with a ceramic shot layer, the outer wall of the ceramic shot layer is provided with a high manganese steel layer, the outer wall of the high manganese steel layer is provided with a cobalt-based alloy transition layer, and the outer wall of the cobalt-based alloy transition layer is provided with a high chromium cast iron layer.

[0009] Through the above technical solution: a layer of ceramic shot is sprayed on the outer wall of the base core, which provides additional protection and durability for the entire structure. A high-manganese steel layer is set on the outside of the ceramic shot layer, which can withstand extreme working conditions and high loads. The high-manganese steel layer can not only protect the internal ceramic shot layer, but also further enhance the strength and durability of the entire reinforcement structure. The high-manganese steel layer and the high-chromium cast iron layer are connected by a cobalt-based alloy transition layer, thereby improving the reliability and service life of the overall structure.

[0010] As a further description of the above technical solution:

[0011] A hexagram groove is provided at one end of the two screw rods that is away from each other, and a sealing ring is fixedly connected to the outer wall of the screw rod.

[0012] Through the above technical solution: the hexagram groove enables the screw to better withstand pressure and torque during use, and the sealing ring can effectively prevent the leakage of liquid or gas, ensuring the stability and safety of the system.

[0013] As a further description of the above technical solution:

[0014] The ends of the two connecting ends that are away from each other are both provided with fitting grooves, and the outer walls of the sealing rings are both slidably connected to the inner walls of the fitting grooves.

[0015] Through the above technical solution: through the coordinated use of the fitting groove and the sealing ring, the leakage of liquid or gas can be effectively prevented, ensuring that the sealing effect of the system reaches the best state.

[0016] As a further description of the above technical solution:

[0017] A mounting groove is provided on the top of the outer wall of the connecting rod, and a sensor is installed inside the mounting groove.

[0018] Through the above technical solution: the sensor is installed through the mounting groove, and the sensor is used to monitor and detect the parameters of the piston rod during operation, thereby ensuring the normal operation and precise control of the entire system.

[0019] As a further description of the above technical solution:

[0020] A rubber layer is provided inside the gasket, a latex layer is provided inside the rubber layer, and a base layer is provided inside the latex layer.

[0021] Through the above technical solution: the rubber layer has good elasticity and sealing performance, a latex layer is arranged inside the rubber layer, the latex layer can provide additional flexibility and chemical resistance, and a base layer is arranged inside the latex layer, the base layer provides a solid foundation, ensuring the overall stability and durability of the gasket.

[0022] As a further description of the above technical solution:

[0023] Lubrication grooves are provided on the front and rear sides of the outer wall of the connecting rod, and the outer wall of the connecting rod is rounded.

[0024] Through the above technical solution: the lubrication groove ensures that the piston rod can obtain sufficient lubrication during the movement, thereby reducing friction and increasing service life.

[0025] As a further description of the above technical solution:

[0026] The outer walls of the two connecting ends are both provided with screw grooves, and the inner diameter of the connecting ends is adapted to the diameter of the screw.

[0027] Through the above technical solution: the screw groove can perfectly fit with the thread of the screw, thereby achieving a firm connection, and the inner diameter of the connecting end matches the diameter of the screw, ensuring that the screw can be smoothly inserted and fixed inside the connecting end, further enhancing the stability and reliability of the connection.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the washers are sleeved on the left and right ends of the connecting rod and accurately moved to the position of the sliding groove. At this time, the screw is rotated to drive the extrusion block to be inserted between the multiple inclined plates, thereby driving the clamping plates on the inclined plates to expand to the four sides, so that the clamping plates are inserted into the clamping grooves on the inner walls of the washers, and the washers are quickly installed and limited, ensuring the firmness and stability of the washers during long-term movement of the piston rod.

[0030] 2. In the present invention, a ceramic shot layer is coated on the outer wall of the base core, which can effectively disperse external impact forces. At the same time, a high-manganese steel layer is provided on the outer side of the ceramic shot layer, which can withstand extreme working environments and heavy loads. A cobalt-based alloy transition layer is added to the outer wall of the high-manganese steel layer. The cobalt-based alloy can ensure stable performance in high-temperature environments. The outer wall of the cobalt-based alloy transition layer is covered with a high-chromium cast iron layer, which can effectively extend the service life of the piston rod and enable it to maintain optimal working condition in harsh industrial environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1This is a three-dimensional diagram of a piston rod with a wear-resistant structure proposed in the utility model;

[0032] Figure 2 This is a disassembled diagram of a piston rod with a wear-resistant structure proposed in the utility model;

[0033] Figure 3 This is an exploded view of a piston rod with a wear-resistant structure proposed in the utility model;

[0034] Figure 4 This is a cross-sectional view of a piston rod with a wear-resistant structure proposed in the utility model;

[0035] Figure 5 This is a structural cross-sectional view of a piston rod gasket with a wear-resistant structure proposed by the utility model.

[0036] Legend:

[0037] 1. Connecting rod; 2. Reinforcement mechanism; 201. Base core; 202. Ceramic shot layer; 203. High manganese steel layer; 204. Cobalt-based alloy transition layer; 205. High chromium cast iron layer; 3. Connecting end; 4. Screw groove; 5. Fitting groove; 6. Screw; 7. Hexagonal groove; 8. Sealing ring; 9. Lubrication groove; 10. Mounting groove; 11. Sensor; 12. Sliding groove; 13. Extrusion block; 14. Clamping plate; 15. Inclined plate; 16. Spring; 17. Washer; 18. Clamping groove; 19. Base layer; 20. Latex layer; 21. Rubber layer. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Reference Figure 2 、 Figure 3 and Figure 5The utility model provides an embodiment: a piston rod with a wear-resistant structure, including a connecting rod 1, the left and right ends of the connecting rod 1 are fixedly connected to the connecting end 3, the ends of the two connecting ends 3 that are far away are threadedly connected to the screw rod 6, the adjacent ends of the two screw rods 6 pass through the ends far away from the connecting end 3 and are rotatably connected to the extrusion block 13, the left and right ends of the outer wall of the connecting rod 1 are provided with a plurality of sliding grooves 12, the interiors of the plurality of sliding grooves 12 are slidably connected to the engaging plates 14, the adjacent sides of the plurality of engaging plates 14 are fixedly connected to the inclined plates 15, the sides away from the plurality of engaging plates 14 A spring 16 is fixedly connected to each of them. Washers 17 are fixedly connected to the left and right ends of the outer wall of the connecting rod 1. A locking groove 18 is provided on the inner wall of the washer 17. A reinforcement mechanism 2 is provided inside the connecting rod 1. A plum blossom groove 7 is provided on the ends away from each other of the two screws 6. A sealing ring 8 is fixedly connected to the outer wall of the screw 6. A fitting groove 5 is provided on the ends away from each other of the two connecting ends 3. The outer walls of the sealing rings 8 are slidably connected to the inner walls of the fitting groove 5. A rubber layer 21 is provided inside the washer 17. A latex layer 20 is provided inside the rubber layer 21. A base layer 19 is provided inside the latex layer 20.

[0040] Specifically, the piston rod is mainly composed of a connecting rod 1, and the two ends of the connecting rod 1 are respectively fixed with connecting ends 3, and the relatively far end of the connecting end 3 is connected to the two screw rods 6 by a threaded manner, and the adjacent end of the screw rod 6 passes through the relatively far end of the connecting end 3 and is rotatably connected to the extrusion block 13. At the same time, a plurality of sliding grooves 12 are provided on the left and right ends of the outer wall of the connecting rod 1, and a plurality of snap plates 14 are slidably connected inside the sliding grooves 12. The adjacent sides of these snap plates 14 are fixedly connected with inclined plates 15, and the relatively far side thereof is fixedly connected with a spring 16 to provide the necessary elastic support. In order to further enhance the wear resistance and service life of the piston rod, the left and right ends of the outer wall of the connecting rod 1 are provided with a plurality of sliding grooves 12. A gasket 17 is fixed at each end, and a locking groove 18 is provided on the inner wall of the gasket 17 to ensure a close fit with the piston rod; a plum blossom groove 7 is provided at the relatively distant end of the screw 6, and at the same time, a sealing ring 8 is fixedly connected to the outer wall of the screw 6, and the outer wall of the sealing ring 8 is slidably connected to the inner wall of the fitting groove 5 opened at the relatively distant end of the connecting end 3, thereby ensuring the sealing between the screw 6 and the connecting end 3; a rubber layer 21 is provided inside the gasket 17, a latex layer 20 is provided inside the rubber layer 21, and a base layer 19 is provided inside the latex layer 20. The layered structural design not only enhances the wear resistance of the piston rod, but also improves its overall stability and service life.

[0041] Reference Figure 1 and Figure 4The reinforcing mechanism 2 comprises a base core 201, an outer wall of the base core 201 is arranged inside the connecting rod 1, the outer wall of the base core 201 is provided with a ceramic pellet layer 202, an outer wall of the ceramic pellet layer 202 is provided with a high manganese steel layer 203, an outer wall of the high manganese steel layer 203 is provided with a cobalt-based alloy transition layer 204, and an outer wall of the cobalt-based alloy transition layer 204 is provided with a high-chromium cast iron layer 205;

[0042] Specifically, the base core 201 is the core part of the whole structure, and a ceramic pellet layer 202 is uniformly coated on the outer wall of the base core 201. The ceramic pellet layer 202 not only provides additional protection, but also effectively disperses external impact force, thereby further enhancing the stability of the structure. The high manganese steel layer 203 is arranged outside the ceramic pellet layer 202, and the high manganese steel layer 203 can withstand extreme working environments and heavy loads. A cobalt-based alloy transition layer 204 is added to the outer wall of the high manganese steel layer 203. The cobalt-based alloy has extremely high hardness and high-temperature resistance, and can ensure stable performance in a high-temperature environment. The outer wall of the cobalt-based alloy transition layer 204 is covered with a high-chromium cast iron layer 205. The high-chromium cast iron has corrosion resistance and wear resistance, which can effectively prolong the service life of the reinforcing mechanism 2 and keep it in the best working condition in harsh industrial environments. Through this multi-level design, the reinforcing mechanism 2 not only has strong structural strength, but also can cope with various complex working conditions to ensure long-term stable operation of the equipment.

[0043] Referring to Figure 1 , Figure 2 and Figure 3 , an installation groove 10 is formed in the top of the outer wall of the connecting rod 1, a sensor 11 is installed in the installation groove 10, lubrication grooves 9 are formed on the front and rear sides of the outer wall of the connecting rod 1, the outer wall of the connecting rod 1 is smoothly processed, and screw grooves 4 are formed in the outer walls of the two connecting ends 3. The inner diameter of the connecting end 3 is matched with the diameter of the screw rod 6.

[0044] Specifically, an installation groove 10 is formed in the top of the outer wall of the connecting rod 1, and a sensor 11 is installed in the installation groove 10 for real-time monitoring and data collection. In order to ensure the smoothness of the connecting rod 1 during use and reduce wear, lubrication grooves 9 are formed on the front and rear sides of the outer wall of the connecting rod 1. The lubrication grooves 9 can effectively store and distribute lubricant, thereby prolonging the service life of the connecting rod.

[0045] Working principle: First, the washer 17 is sleeved on the left and right ends of the connecting rod 1 and accurately moved to the position of the sliding groove 12. At this time, the screw 6 is rotated to drive the extrusion block 13 to push inward, so that the extrusion block 13 is inserted between multiple inclined plates 15, thereby driving the snap plate 14 on the inclined plate 15 to expand to the four sides, so that the snap plate 14 is inserted into the snap groove 18 on the inner wall of the washer 17, and the washer 17 is quickly installed and limited, and the firmness and stability of the washer 17 are ensured during the long-term movement of the piston rod; a rubber layer 21 and a latex layer 20 are provided inside the washer 17, and the layered structural design not only enhances the wear resistance of the piston rod, but also improves its overall stability and service life; and the base core 201 is the core part of the piston rod structure, and the outer wall of the base core 201 is evenly coated with A ceramic shot layer 202 not only provides additional protection but also effectively disperses external impact force. At the same time, a high manganese steel layer 203 is provided on the outside of the ceramic shot layer 202. The high manganese steel layer 203 can withstand extreme working environments and heavy loads. A cobalt-based alloy transition layer 204 is added to the outer wall of the high manganese steel layer 203. The cobalt-based alloy has extremely high hardness and high temperature resistance, which can ensure stable performance in high temperature environments. The outer wall of the cobalt-based alloy transition layer 204 is covered with a high chromium cast iron layer 205. The high chromium cast iron has corrosion resistance and wear resistance, which can effectively extend the service life of the piston rod and enable it to maintain the best working condition in harsh industrial environments. Through this multi-level design, it can cope with various complex working conditions and ensure the long-term stable operation of the equipment.

[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A piston rod with a wear-resistant structure, comprising a connecting rod (1), characterized in that: The left and right ends of the connecting rod (1) are fixedly connected to the connecting end (3), the ends away from the two connecting ends (3) are threadedly connected to the screw rod (6), the adjacent ends of the two screw rods (6) pass through the ends away from the connecting end (3) and are rotatably connected to the extrusion block (13), the left and right ends of the outer wall of the connecting rod (1) are provided with a plurality of sliding grooves (12), the interiors of the plurality of sliding grooves (12) are slidably connected to the engaging plates (14), the adjacent sides of the plurality of engaging plates (14) are fixedly connected to the inclined plates (15), the away sides of the plurality of engaging plates (14) are fixedly connected to the springs (16), the left and right ends of the outer wall of the connecting rod (1) are fixedly connected to the washers (17), the inner wall of the washers (17) is provided with engaging grooves (18), the interior of the connecting rod (1) is provided with A reinforcement mechanism (2) is provided; the reinforcement mechanism (2) comprises a base core (201), the outer wall of the base core (201) is arranged inside the connecting rod (1), the outer wall of the base core (201) is provided with a ceramic pill layer (202), the outer wall of the ceramic pill layer (202) is provided with a high manganese steel layer (203), the outer wall of the high manganese steel layer (203) is provided with a cobalt-based alloy transition layer (204), and the outer wall of the cobalt-based alloy transition layer (204) is provided with a high chromium cast iron layer (205); the ends of the two screw rods (6) that are away from each other are provided with a hexagram groove (7), and the outer wall of the screw rods (6) is fixedly connected with a sealing ring (8); the ends of the two connecting ends (3) that are away from each other are provided with a fitting groove (5), and the outer wall of the sealing ring (8) is slidably connected to the inner wall of the fitting groove (5).

2. The piston rod with a wear-resistant structure according to claim 1, characterized in that: A mounting groove (10) is provided on the top of the outer wall of the connecting rod (1), and a sensor (11) is installed inside the mounting groove (10).

3. The piston rod with a wear-resistant structure according to claim 1, characterized in that: A rubber layer (21) is provided inside the gasket (17), a latex layer (20) is provided inside the rubber layer (21), and a base layer (19) is provided inside the latex layer (20).

4. The piston rod with a wear-resistant structure according to claim 1, characterized in that: Lubrication grooves (9) are provided on the front and rear sides of the outer wall of the connecting rod (1), and the outer wall of the connecting rod (1) is rounded and smoothed.

5. The piston rod with a wear-resistant structure according to claim 1, characterized in that: The outer walls of the two connecting ends (3) are both provided with screw grooves (4), and the inner diameter of the connecting end (3) is adapted to the diameter of the screw (6).

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