Hydraulic oil cylinder with efficient cooling structure

Abstract

The utility model discloses a hydraulic oil cylinder with an efficient cooling structure, and belongs to the technical field of hydraulic oil cylinders. An upper end cover and a lower end cover are arranged at the upper end and the lower end of a cylinder body; a plurality of mutually communicated cold air pipelines are arranged in the cylinder body, an upper mounting cylinder and a lower mounting cylinder which are matched with each other are mounted outside the cylinder body, an upper limiting convex ring matched with the upper end cover is arranged at the top of the upper mounting cylinder, and a lower limiting convex ring matched with the lower end cover is arranged at the bottom of the lower mounting cylinder; a sealing ring is arranged at the top of the lower mounting cylinder, and a threaded groove matched with the sealing ring is formed in the bottom of the upper mounting cylinder. Through the design of the cold air pipeline, cold air cooling can be carried out on the interior of the barrel body, disassembly, assembly and maintenance are facilitated through the split design of the upper mounting barrel and the lower mounting barrel, and liquid cooling can be carried out on the outer wall of the barrel body through the water inlet pipe and the water drainage pipe. The hydraulic oil cylinder with the efficient cooling structure is ingenious and effective in design, and the cooling effect of the hydraulic oil cylinder with the efficient cooling structure is improved through the gas-liquid double cooling structure.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically a hydraulic cylinder with a high-efficiency cooling structure. Background Technology

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy, performing linear reciprocating motion (or oscillating motion). It has a simple structure and reliable operation. When used to achieve reciprocating motion, it eliminates the need for a speed reduction device, eliminates transmission backlash, and provides smooth movement, thus finding wide application in the hydraulic systems of various machines. The output force of a hydraulic cylinder is directly proportional to the effective area of ​​the piston and the pressure difference between its two sides. A hydraulic cylinder basically consists of a cylinder barrel and cylinder head, a piston and piston rod, a sealing device, a cushioning device, and a venting device. The cushioning and venting devices are optional depending on the specific application, while the other devices are essential.

[0003] Patent application CN221957920U discloses a hydraulic cylinder with a cooling function, belonging to the field of hydraulic cylinder technology. It includes a cylinder body and a cooling mechanism sleeved on the cylinder body. A mounting ring is fixedly connected to the lower part of the outer wall of the cylinder body, and the mounting ring has two symmetrically arranged spring-loaded latching mechanisms. A fixing ring is fixedly connected to the lower end of the cooling mechanism, abutting against the mounting ring. Two clearance grooves corresponding to the two spring-loaded latching mechanisms are formed on the lower side of the fixing ring, and a slot is formed on the inner wall of one side of each clearance groove. The cooling mechanism includes a cooling shroud sleeved on the outside of the cylinder body. In this invention, by setting up a cooling mechanism and a refrigeration mechanism, the water in the storage tank can be cooled, which is more effective than air cooling, thereby improving the cooling effect on the cylinder body. The spring-loaded latching mechanisms facilitate the installation and disassembly of the cooling mechanism and the cylinder body for subsequent maintenance.

[0004] However, the cooling structure of the hydraulic cylinders disclosed above is complex, the installation process is cumbersome, it is inconvenient to disassemble the outer cooling shell after use, and the cooling method is singular and cannot perform multiple cooling. Utility Model Content

[0005] The purpose of this utility model is to provide a hydraulic cylinder with a highly efficient cooling structure in order to solve the problems of existing hydraulic cylinders, such as complex cooling structure, cumbersome installation process, inconvenience in disassembling and assembling the outer cooling shell after use, and single cooling method that cannot perform multiple cooling.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows: a hydraulic cylinder with a high-efficiency cooling structure, comprising a cylinder body, with an upper end cap and a lower end cap provided at the upper and lower ends of the cylinder body; multiple interconnected cooling air pipes are provided inside the cylinder body; an upper mounting cylinder and a lower mounting cylinder that cooperate with each other are installed on the outside of the cylinder body; an upper limit convex ring that cooperates with the upper end cap is provided at the top of the upper mounting cylinder; a lower limit convex ring that cooperates with the lower end cap is provided at the bottom of the lower mounting cylinder; a sealing ring is provided at the top of the lower mounting cylinder; and a threaded groove that cooperates with the sealing ring is provided at the bottom of the upper mounting cylinder.

[0007] As a further improvement of this utility model: the upper end cover is provided with an air inlet pipe and an exhaust pipe, which are connected to the cold air duct.

[0008] As a further improvement of this utility model: multiple sets of inner flow-blocking plates are provided at intervals on the inner wall of the cylinder body, and multiple sets of outer flow-blocking plates that cooperate with the inner flow-blocking plates are also provided on the inner walls of the upper mounting cylinder and the lower mounting cylinder.

[0009] As a further improvement of this utility model, handles are also provided on the inner walls of the upper and lower mounting cylinders.

[0010] As a further improvement of this utility model: a water inlet pipe is provided on the inner wall of the lower mounting cylinder, and a drain pipe is provided on the upper mounting cylinder.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This invention utilizes a cooling pipe design to cool the interior of the cylinder, and its separate upper and lower mounting cylinders facilitate disassembly and maintenance. Water inlet and outlet pipes allow for liquid cooling of the cylinder's outer wall. This ingenious and effective design, through its dual air-liquid cooling structure, significantly enhances the cooling performance of this hydraulic cylinder with its high-efficiency cooling system. Attached Figure Description

[0013] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a three-dimensional structural diagram of the internal structure of this utility model;

[0016] Figure 3 This is a sectional view of the inner cylinder of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the upper mounting cylinder and the lower mounting cylinder in this utility model.

[0018] Explanation of reference numerals in the attached figures:

[0019] 1. Cylinder body; 2. Upper end cap; 3. Lower end cap; 4. Air conditioning duct; 5. Air inlet pipe; 6. Exhaust pipe; 7. Inner baffle plate; 8. Upper mounting cylinder; 9. Lower mounting cylinder; 10. Upper limit protrusion ring; 11. Lower limit protrusion ring; 12. Outer baffle plate; 13. Threaded groove; 14. Sealing ring; 15. Handle; 16. Water inlet pipe; 17. Drain pipe. Detailed Implementation

[0020] The following will be combined with the appendix Figures 1 to 4 The technical solution of this utility model has been clearly and completely described. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] This utility model provides a hydraulic cylinder with a highly efficient cooling structure through improvements, such as... Figures 1-4 As shown, the device includes a cylinder body 1, with an upper end cap 2 and a lower end cap 3 at its upper and lower ends. Multiple interconnected cold air pipes 4 are opened inside the cylinder body 1. An upper mounting cylinder 8 and a lower mounting cylinder 9 are installed on the outside of the cylinder body 1. The top of the upper mounting cylinder 8 is provided with an upper limit protrusion ring 10 that cooperates with the upper end cap 2, and the bottom of the lower mounting cylinder 9 is provided with a lower limit protrusion ring 11 that cooperates with the lower end cap 3. A sealing ring 14 is provided at the top of the lower mounting cylinder 9, and a threaded groove 13 that cooperates with the sealing ring 14 is opened at the bottom of the upper mounting cylinder 8.

[0022] This invention utilizes the design of the cooling air pipe 4 to cool the interior of the cylinder 1. Furthermore, the separate design of the upper mounting cylinder 8 and the lower mounting cylinder 9 facilitates disassembly and maintenance. The water inlet pipe 16 and the drain pipe 17 provide liquid cooling to the outer wall of the cylinder 1. This ingenious and effective design enhances the cooling performance of the hydraulic cylinder with its high-efficiency cooling structure through a dual air-liquid cooling system.

[0023] See appendix Figure 1 - Appendix Figure 2 The upper cover 2 is equipped with an air inlet pipe 5 and an exhaust pipe 6, which are connected to the air conditioning pipe 4.

[0024] In this embodiment: an air inlet pipe 5 and an exhaust pipe 6 are designed to inject circulating cold air into the cold air duct 4.

[0025] See appendix Figure 2 - Appendix Figure 4Multiple sets of inner flow-blocking plates 7 are spaced apart on the inner wall of the cylinder body 1, and multiple sets of outer flow-blocking plates 12 that cooperate with the inner flow-blocking plates 7 are also provided on the inner walls of the upper mounting cylinder 8 and the lower mounting cylinder 9.

[0026] In this embodiment: In order to further reduce the liquid flow rate and thus improve the liquid cooling effect, an inner flow baffle 7 and an outer flow baffle 12 structure are designed.

[0027] See appendix Figure 1 and attached Figure 4 Handles 15 are also provided on the inner walls of the upper mounting cylinder 8 and the lower mounting cylinder 9.

[0028] In this embodiment: In order to facilitate the rotation of the upper mounting cylinder 8 and the lower mounting cylinder 9, thereby achieving quick assembly and disassembly of the threads, a handle 15 structure is designed.

[0029] See appendix Figure 1 A water inlet pipe 16 is provided on the inner wall of the lower mounting cylinder 9, and a drain pipe 17 is provided on the upper mounting cylinder 8.

[0030] In this embodiment: In order to facilitate the injection of circulating cooling water into the downward mounting cylinder 9 and the upper mounting cylinder 8, thereby cooling the outside of the cylinder body 1, a water inlet pipe 16 and a drain pipe 17 are designed.

[0031] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and inventive features disclosed herein.

Claims

1. A hydraulic cylinder with a high-efficiency cooling structure, characterized in that: The device includes a cylinder body (1), with an upper end cap (2) and a lower end cap (3) at its upper and lower ends. Multiple interconnected cold air pipes (4) are opened inside the cylinder body (1). An upper mounting cylinder (8) and a lower mounting cylinder (9) that cooperate with each other are installed on the outside of the cylinder body (1). The top of the upper mounting cylinder (8) is provided with an upper limit protrusion ring (10) that cooperates with the upper end cap (2), and the bottom of the lower mounting cylinder (9) is provided with a lower limit protrusion ring (11) that cooperates with the lower end cap (3). The top of the lower mounting cylinder (9) is provided with a sealing ring (14), and the bottom of the upper mounting cylinder (8) is provided with a threaded groove (13) that cooperates with the sealing ring (14).

2. A hydraulic cylinder with a high-efficiency cooling structure according to claim 1, characterized in that: The upper end cover (2) is provided with an air inlet pipe (5) and an exhaust pipe (6), which are connected to the cold air pipe (4).

3. A hydraulic cylinder with a high-efficiency cooling structure according to claim 1, characterized in that: Multiple sets of inner flow-blocking plates (7) are spaced apart on the inner wall of the cylinder body (1), and multiple sets of outer flow-blocking plates (12) that cooperate with the inner flow-blocking plates (7) are also provided on the inner walls of the upper mounting cylinder (8) and the lower mounting cylinder (9).

4. A hydraulic cylinder with a high-efficiency cooling structure according to claim 1, characterized in that: Handles (15) are also provided on the inner walls of the upper mounting cylinder (8) and the lower mounting cylinder (9).

5. A hydraulic cylinder with a high-efficiency cooling structure according to claim 1, characterized in that: A water inlet pipe (16) is provided on the inner wall of the lower mounting cylinder (9), and a drain pipe (17) is provided on the upper mounting cylinder (8).

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