Oil cylinder with cleaning structure

Abstract

The utility model relates to the technical field of oil cylinders, and discloses an oil cylinder with a cleaning structure, which comprises a cylinder body, a buffer mechanism is arranged on the upper surface of the cylinder body, the buffer mechanism comprises a piston rod, a piston plate, a buffer spring and a damper, and the outer surface of the piston rod is slidably connected with the inner wall of the cylinder body. According to the oil cylinder with the cleaning structure, the piston rod serves as a piston in the cylinder body, then the piston plate fixedly installed at one end of the piston rod and the buffer spring installed between the piston plate and the upper surface of the abutting plate as well as the damper can be driven to be compressed and stretched, and when the piston rod does piston motion, the piston can be cleaned through the action of the buffer spring and the damper; when the piston rod moves, the force generated when the piston rod moves is relieved, so that damage to the whole is avoided, the problem of buffering in the whole using process is solved, the effect of avoiding damage in the using process can be achieved, the related replacement and maintenance cost is reduced, and the service life in practice is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to an oil cylinder with a cleaning structure. Background Art

[0002] The oil cylinder is a hydraulic cylinder. The hydraulic cylinder is a linear motion actuator whose output force is proportional to the effective area of ​​the piston and the pressure difference on both sides. Its function is to convert hydraulic energy into mechanical energy. The input of the hydraulic cylinder is the flow rate and pressure of the fluid, and the output is linear motion speed and force. It is basically composed of a cylinder barrel and cylinder head, a piston and piston rod, a sealing device, a buffer device and an exhaust device, and is widely used in practice.

[0003] According to an oil cylinder with application number CN202322024719.6, this solution solves the problem of how to reduce the overall weight of the oil cylinder while reducing the use of materials and reducing the cost of use.

[0004] However, the following problems still exist in actual use:

[0005] (1) It is impossible to buffer during operation, which will cause certain damage to the equipment, thereby increasing the corresponding replacement and maintenance costs, reducing the actual service life, and reducing the safety during use.

[0006] (2) The problem of being unable to clean will lead to the accumulation of impurities, affecting the actual use efficiency of the cylinder and hindering more efficient operation in practice.

[0007] For this reason, the utility model launches an oil cylinder with a cleaning structure. Utility Model Content

[0008] In view of the deficiencies of the prior art, the present invention provides an oil cylinder with a cleaning structure, which has the advantages of being able to perform buffering during operation and being cleanable, thereby solving the problems raised in the background art.

[0009] The utility model provides the following technical solution: an oil cylinder with a cleaning structure, comprising a cylinder body, a buffer mechanism being provided on the upper surface of the cylinder body, the buffer mechanism comprising a piston rod, a piston plate, a buffer spring and a damper, the outer surface of the piston rod being slidably connected to the inner wall of the cylinder body, the bottom of the piston plate being fixedly connected to one end of the piston rod, one end of the buffer spring being fixedly connected to the bottom of the piston plate, and one end of the damper being fixedly connected to the bottom of the piston plate.

[0010] Preferably, a cleaning mechanism is provided inside the cylinder body, and the cleaning mechanism includes a sealing cleaning ring, a second fastening ring, an oil outlet and a filter plate. The interior of the sealing cleaning ring is fixedly connected to the outer surface of the piston rod, the interior of the second fastening ring is fixedly connected to the outer surface of the cylinder body, the outer surface of the oil outlet is fixedly connected to the interior of the cylinder body, and the outer surface of the filter plate is clamped to the interior of the oil outlet.

[0011] Preferably, an abutment plate is fixedly mounted on one end of the buffer spring, an upper surface of the abutment plate is fixedly connected to one end of the damper, and a second connecting ring is fixedly mounted on the upper surface of the piston plate.

[0012] Preferably, the outer surface of the abutment plate is threadedly connected to a limiting bolt, the outer surface of the limiting bolt is threadedly connected to a first fastening ring, and the interior of the first fastening ring is fixedly connected to the outer surface of the cylinder body.

[0013] Preferably, a connecting plate is fixedly mounted on the bottom of the cylinder body, a first connecting ring is fixedly mounted on the bottom of the connecting plate, and an oil inlet is provided inside the cylinder body.

[0014] Preferably, a replacement groove is provided on the surface of the oil outlet, and a handle is fixedly mounted on the outer surface of the filter plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This oil cylinder with a cleaning structure uses the piston rod as a piston inside the cylinder body, and then can drive the compression and extension of the buffer spring and damper installed between the piston plate fixed at one end of the piston rod and the upper surface of the abutment plate. When the piston rod performs piston movement, the force of the piston rod piston movement can be slowed down by the action of the buffer spring and damper, thereby avoiding damage to the whole, and thus solving the problem of how to buffer the overall use, which can achieve the effect of avoiding damage during use, reduce the related replacement and maintenance costs, increase the actual service life, and also improve the safety of actual use.

[0017] 2. This oil cylinder with a cleaning structure allows the lubricating oil to enter the interior of the cylinder body. After entering the interior of the cylinder body, the piston rod can drive the sealing cleaning ring fixedly installed on the outer surface of the piston rod to clean the inner wall of the cylinder body. After cleaning, the lubricating oil and impurities on the inner wall of the cylinder body can be discharged from the interior of the cylinder body through the position of the oil outlet, which effectively solves the problem of how to clean the inside of the cylinder body, can achieve a more tidy effect in actual use, avoids the accumulation of impurities, improves the overall use efficiency in actual use, and is conducive to more efficient operation and use in actual practice. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the internal structure;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the buffer mechanism structure;

[0021] Figure 4 For this utility model Figure 1 Schematic diagram of the cleaning mechanism structure.

[0022] In the figure: 1. Cylinder body; 2. Connecting plate; 3. First connecting ring; 4. Oil inlet; 5. First fastening ring; 6. Piston rod; 7. Piston plate; 8. Second connecting ring; 9. Buffer spring; 10. Damper; 11. Abutment plate; 12. Limit bolt; 13. Sealing cleaning ring; 14. Second fastening ring; 15. Oil outlet; 16. Filter plate; 17. Replacement slot; 18. Handle; 19. Buffer mechanism; 20. Cleaning mechanism. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 3, an oil cylinder with a cleaning structure, including a cylinder body 1, a buffer mechanism 19 is provided on the upper surface of the cylinder body 1, the buffer mechanism 19 includes a piston rod 6, a piston plate 7, a buffer spring 9 and a damper 10, the outer surface of the piston rod 6 is slidably connected to the inner wall of the cylinder body 1, the bottom of the piston plate 7 is fixedly connected to one end of the piston rod 6, one end of the buffer spring 9 is fixedly connected to the bottom of the piston plate 7, one end of the damper 10 is fixedly connected to the bottom of the piston plate 7, one end of the buffer spring 9 is fixedly installed with an abutment plate 11, the upper surface of the abutment plate 11 is fixed to one end of the damper 10 The second connecting ring 8 is fixedly installed on the upper surface of the piston plate 7, the outer surface of the abutment plate 11 is threadedly connected to the limiting bolt 12, the outer surface of the limiting bolt 12 is threadedly connected to the first fastening ring 5, and the interior of the first fastening ring 5 is fixedly connected to the outer surface of the cylinder body 1. Through the use of the piston rod 6, piston plate 7, buffer spring 9 and damper 10 as well as the abutment plate 11 and the limiting bolt 12, the effect of avoiding injury during use can be achieved, the relevant replacement and maintenance costs are reduced, the actual service life is increased, and the safety of actual use is also improved.

[0025] See also Figure 4 , a cleaning mechanism 20 is provided inside the cylinder body 1, and the cleaning mechanism 20 includes a sealing cleaning ring 13, a second fastening ring 14, an oil outlet 15 and a filter plate 16. The interior of the sealing cleaning ring 13 is fixedly connected to the outer surface of the piston rod 6, the interior of the second fastening ring 14 is fixedly connected to the outer surface of the cylinder body 1, the outer surface of the oil outlet 15 is fixedly connected to the interior of the cylinder body 1, and the outer surface of the filter plate 16 is clamped with the interior of the oil outlet 15. A replacement groove 17 is provided on the surface of the oil outlet 15, and a handle 18 is fixedly installed on the outer surface of the filter plate 16. Through the use of the sealing cleaning ring 13, the second fastening ring 14, the oil outlet 15 and the filter plate 16, as well as the replacement groove 17 and the handle 18, a cleaner effect can be achieved in actual use, the accumulation of impurities can be avoided, the overall use efficiency in actual use is improved, and it is conducive to more efficient operation and use in actual use.

[0026] See also Figure 1 and Figure 2 A connecting plate 2 is fixedly installed at the bottom of the cylinder body 1, a first connecting ring 3 is fixedly installed at the bottom of the connecting plate 2, and an oil inlet 4 is provided inside the cylinder body 1. The use of the connecting plate 2, the first connecting ring 3 and the oil inlet 4 improves the efficiency and convenience of the overall equipment in actual use.

[0027] Working principle: during use, when the oil cylinder is used for buffering, the piston rod 6 is first used as a piston inside the cylinder body 1, and then the piston plate 7 fixed at one end of the piston rod 6 can be driven to compress and stretch the buffer spring 9 and the damper 10 installed between the upper surface of the abutment plate 11. When the piston rod 6 performs piston movement, the force of the piston rod 6 during piston movement can be slowed down by the action of the buffer spring 9 and the damper 10. To avoid damage to the whole, when the equipment is not buffering, the limit bolt 12 can be taken out from the first fastening ring 5 and the inside of the abutment plate 11, and the position of the buffer spring 9 and the damper 10 can be rebounded to the bottom of the piston plate 7, avoiding occupying space during piston movement.

[0028] When cleaning the inside of the oil cylinder, the lubricating oil can first be allowed to enter the interior of the cylinder body 1 through the oil inlet 4. After entering the interior of the cylinder body 1, the piston rod 6 can be used to drive the sealing cleaning ring 13 fixed on the outer surface of the piston rod 6 to clean the inner wall of the cylinder body 1. After cleaning, the lubricating oil and impurities on the inner wall of the cylinder body 1 can be allowed to leave the interior of the cylinder body 1 through the position of the oil outlet 15. First, the used lubricating oil can leave the interior of the cylinder body 1 through the action of the filter plate 16. Then, the handle 18 can be used to pull the filter plate 16 out of the inside of the replacement slot 17, and then the solids on the inner wall of the cylinder body 1 can be discharged.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil cylinder with a cleaning structure, characterized by: The invention comprises a cylinder body (1), wherein a buffer mechanism (19) is provided on the upper surface of the cylinder body (1), wherein the buffer mechanism (19) comprises a piston rod (6), a piston plate (7), a buffer spring (9) and a damper (10), wherein the outer surface of the piston rod (6) is slidably connected to the inner wall of the cylinder body (1), the bottom of the piston plate (7) is fixedly connected to one end of the piston rod (6), one end of the buffer spring (9) is fixedly connected to the bottom of the piston plate (7), and one end of the damper (10) is fixedly connected to the bottom of the piston plate (7).

2. The oil cylinder with a cleaning structure according to claim 1, characterized in that: A cleaning mechanism (20) is provided inside the cylinder body (1), and the cleaning mechanism (20) includes a sealing cleaning ring (13), a second fastening ring (14), an oil outlet (15) and a filter plate (16). The interior of the sealing cleaning ring (13) is fixedly connected to the outer surface of the piston rod (6), the interior of the second fastening ring (14) is fixedly connected to the outer surface of the cylinder body (1), the outer surface of the oil outlet (15) is fixedly connected to the interior of the cylinder body (1), and the outer surface of the filter plate (16) is clamped to the interior of the oil outlet (15).

3. The oil cylinder with a cleaning structure according to claim 1, characterized in that: An abutment plate (11) is fixedly mounted on one end of the buffer spring (9), an upper surface of the abutment plate (11) is fixedly connected to one end of the damper (10), and a second connecting ring (8) is fixedly mounted on the upper surface of the piston plate (7).

4. The oil cylinder with a cleaning structure according to claim 3, characterized in that: The outer surface of the abutment plate (11) is threadedly connected to a limiting bolt (12), the outer surface of the limiting bolt (12) is threadedly connected to a first fastening ring (5), and the interior of the first fastening ring (5) is fixedly connected to the outer surface of the cylinder body (1).

5. The oil cylinder with a cleaning structure according to claim 1, characterized in that: A connecting plate (2) is fixedly mounted on the bottom of the cylinder body (1), a first connecting ring (3) is fixedly mounted on the bottom of the connecting plate (2), and an oil inlet (4) is provided inside the cylinder body (1).

6. The oil cylinder with a cleaning structure according to claim 2, characterized in that: A replacement groove (17) is provided on the surface of the oil outlet (15), and a handle (18) is fixedly mounted on the outer surface of the filter plate (16).

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