High-efficiency oil cylinder

Abstract

The utility model relates to the technical field of oil cylinders, and discloses a high-efficiency oil cylinder which comprises a cylinder body, the front face of the cylinder body is fixedly communicated with a first oil injection port and a second oil injection port, an inner heat conduction barrel is fixed to the inner wall of the cylinder body, and a strip-shaped hole is formed in the surface of the cylinder body. The inner wall of the strip-shaped hole and the surface of the inner heat conduction cylinder are fixedly connected with heat conduction plates. Through cooperation of the inner heat conduction cylinder, the heat conduction plate and the outer heat conduction cylinder, heat in the cylinder body can be transmitted into the outer heat conduction cylinder, meanwhile, the spiral heat conduction pipe can generate flowing cold air through the refrigeration mechanism, the heat of the outer heat conduction cylinder is taken away through the cold air, and the heat conduction effect is improved. And through cooperation of the inner heat conduction barrel, the heat conduction plate, the outer heat conduction barrel, the connecting column, the refrigeration mechanism and the spiral heat conduction pipe, the temperature of the oil cylinder during working is not too high, and therefore the situation that the efficiency of the oil cylinder is reduced due to high temperature is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to a high-efficiency oil cylinder. Background Art

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] At present, the oil cylinders on the market are mainly composed of a cylinder body, a piston rod, a first oil filling port and a second oil filling port, wherein oil is filled into the cylinder body through the first oil filling port and the second oil filling port, and the piston rod is moved by hydraulic oil. At the same time, an annular scraper is provided on the piston rod to prevent dust on the piston rod from entering the cylinder body when the piston rod moves. For example, a high-efficiency vehicle oil cylinder disclosed in Chinese patent announcement No. CN206167030U, however, since the heat inside the oil cylinder cannot be quickly dissipated when the oil cylinder is working, the efficiency of the oil cylinder is often reduced due to overheating of the oil cylinder. At the same time, when replacing the annular scraper, the parts on the piston rod must be disassembled first before the annular scraper can be removed from the piston rod, which makes the replacement of the annular scraper more troublesome. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, since the heat inside the cylinder cannot be dissipated quickly when it is working, the efficiency of the cylinder is often reduced due to overheating of the cylinder. At the same time, when replacing the annular scraper, the parts on the piston rod must be disassembled first before the annular scraper can be removed from the piston rod, which makes the replacement of the annular scraper more troublesome. A high-efficiency cylinder is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A high-efficiency oil cylinder comprises a cylinder body, wherein the front side of the cylinder body is fixedly connected to a first oil filling port, the front side of the cylinder body is fixedly connected to a second oil filling port, the inner wall of the cylinder body is fixedly connected to an inner heat-conducting tube, the surface of the cylinder body is provided with strip holes, the inner wall of the strip holes and the surface of the inner heat-conducting tube are both fixedly connected to a heat-conducting plate, the surface of the heat-conducting plate and the surface of the cylinder body are both fixedly connected to an outer heat-conducting tube, the inner wall of the inner heat-conducting tube and the inner wall of the cylinder body are both fitted with a piston rod, the upper surface of the cylinder body is fixedly connected to a connecting column, the upper surface of the connecting column is fixedly connected to a refrigeration mechanism, the bottom of the refrigeration mechanism is fixedly connected to a spiral heat-conducting pipe, and the inner wall of the spiral heat-conducting pipe is in contact with the surface of the outer heat-conducting tube.

[0007] Preferably, the refrigeration mechanism includes a first box body, the bottom of the first box body is fixedly connected to the upper surface of the connecting column, the bottom of the first box body is fixedly connected to the top of the spiral heat pipe, the inner wall of the first box body is connected to a partition, the upper surface of the first box body is provided with a first mounting hole, the inner wall of the first mounting hole is fixedly connected to a fan, the front and rear sides of the first box body are provided with second mounting holes, a copper column is arranged inside the first box body, the front and rear ends of the copper column and the inner wall of the second mounting hole are fixedly connected with semiconductor refrigeration plates, the semiconductor refrigeration plates and the fan are both located on the right side of the partition, and the first air outlet is provided on the left side of the first box body.

[0008] Preferably, a heat sink is fixedly connected to the side of the semiconductor refrigeration plate away from the copper column, the front and rear sides of the first box body are fixedly connected to the second box body, the heat sink is located inside the second box body, the right side of the second box body and the right side of the first box body are fixedly connected with an air pipe, and a second air outlet is opened on the left side of the second box body.

[0009] Preferably, the right side of the cylinder body is fixedly connected to an internal threaded barrel, the inner wall of the internal threaded barrel is fixedly connected to a retaining ring, the inner wall of the internal threaded barrel is threadedly connected to an external threaded barrel, and the inner wall of the internal threaded barrel, the right side of the retaining ring, the left side of the external threaded barrel and the surface of the piston rod are all fitted with fan-shaped scrapers.

[0010] Preferably, a groove is provided on the left side of the external threaded barrel, a magnetic block is fixedly connected to the inner wall of the groove, and the left side of the magnetic block is in contact with the right side of the fan-shaped scraper.

[0011] Preferably, the suction force of the magnetic block on the fan-shaped scraper is greater than the gravity of the fan-shaped scraper.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model can transfer the heat in the cylinder body to the outer heat-conducting tube through the cooperation of the inner heat-conducting tube, the heat-conducting plate and the outer heat-conducting tube. At the same time, the spiral heat-conducting tube can generate flowing cold air through the refrigeration mechanism, and the heat of the outer heat-conducting tube can be taken away by the cold air. The temperature of the oil cylinder will not be too high during operation through the cooperation of the inner heat-conducting tube, the heat-conducting plate, the outer heat-conducting tube, the connecting column, the refrigeration mechanism and the spiral heat-conducting tube, thereby preventing the oil cylinder from reducing efficiency due to high temperature. Secondly, the heat of the hot end of the semiconductor refrigeration chip can be quickly transferred to the heat sink through the heat sink. At the same time, through the cooperation of the second box body, the air pipe and the second air outlet, part of the cold air generated by the refrigeration mechanism can be blown onto the heat sink to dissipate the heat on the heat sink, thereby preventing the cooling effect of the semiconductor refrigeration chip from being reduced due to overheating of the hot end when it is working.

[0014] (2) The utility model enables the user to disassemble and assemble the fan-shaped scraper without removing the parts on the piston rod through the cooperation of the internal threaded barrel, the external threaded barrel and the retaining ring, thereby making it more convenient to replace the fan-shaped scraper. At the same time, when the external threaded barrel is screwed out of the internal threaded barrel, the fan-shaped scraper can be moved out of the internal threaded barrel together with the external threaded barrel through the suction force of the magnetic block and the fan-shaped scraper, thereby facilitating the user to take the fan-shaped scraper out of the internal threaded barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 3 for Figure 1 Sectional view at the middle BB;

[0018] Figure 4 It is a front view of the cylinder body of the utility model;

[0019] Figure 5 It is a top view of the first box body in the utility model;

[0020] Figure 6 It is a front view of the first box body in the utility model;

[0021] Figure 7 It is a front view of the spiral heat conducting pipe in the utility model;

[0022] Figure 8 It is a right side view of the internal threaded barrel in the utility model;

[0023] Fig. 9 It is a left side view of the externally threaded barrel in the utility model;

[0024] Fig.10 It is a right side view of the fan-shaped scraper in the utility model.

[0025] In the figure: 1. cylinder body; 2. first oil filling port; 3. second oil filling port; 4. inner heat-conducting tube; 5. strip hole; 6. heat-conducting plate; 7. outer heat-conducting tube; 8. piston rod; 9. connecting column; 10. refrigeration mechanism; 101. first box body; 102. partition; 103. first mounting hole; 104. fan; 105. second mounting hole; 106. copper column; 107. semiconductor refrigeration plate; 108. first air outlet; 11. spiral heat-conducting pipe; 12. heat sink; 13. second box body; 14. air pipe; 15. second air outlet; 16. internal threaded tube; 17. retaining ring; 18. external threaded tube; 19. fan-shaped scraper; 20. groove; 21. magnetic block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Embodiment 1:

[0029] Reference Figure 1-7 A high-efficiency oil cylinder comprises a cylinder body 1, a first oil filling port 2 is fixedly connected to the front of the cylinder body 1, a second oil filling port 3 is fixedly connected to the front of the cylinder body 1, oil is filled into the cylinder body 1 through the first oil filling port 2 and the second oil filling port 3, an inner heat-conducting cylinder 4 is fixedly connected to the inner wall of the cylinder body 1, a strip hole 5 is opened on the surface of the cylinder body 1, a heat-conducting plate 6 is fixedly connected to the inner wall of the strip hole 5 and the surface of the inner heat-conducting cylinder 4, and an outer heat-conducting plate 6 is fixedly connected to the surface of the cylinder body 1. The heat tube 7 can transfer the heat in the cylinder body 1 to the outer heat-conducting tube 7 through the cooperation of the inner heat-conducting tube 4, the heat-conducting plate 6 and the outer heat-conducting tube 7. The inner wall of the inner heat-conducting tube 4 and the inner wall of the cylinder body 1 are both fitted with a piston rod 8. The upper surface of the cylinder body 1 is fixedly connected with a connecting column 9, and the upper surface of the connecting column 9 is fixedly connected with a refrigeration mechanism 10. The bottom of the refrigeration mechanism 10 is fixedly connected with a spiral heat-conducting pipe 11, and the inner wall of the spiral heat-conducting pipe 11 is in contact with the surface of the outer heat-conducting tube 7.

[0030] The refrigeration mechanism 10 includes a first box body 101, the bottom of the first box body 101 is fixedly connected to the upper surface of the connecting column 9, the bottom of the first box body 101 is fixedly connected to the top of the spiral heat-conducting pipe 11, the first box body 101 and the spiral heat-conducting pipe 11 are connected to each other, the inner wall of the first box body 101 is connected with a partition 102, and the inner space of the first box body 101 is divided into two left and right parts by the partition 102, the upper surface of the first box body 101 is provided with a first mounting hole 103, the inner wall of the first mounting hole 103 is fixedly connected with a fan 104, the front and rear sides of the first box body 101 are both provided with second mounting holes 105, and the interior of the first box body 101 is provided with a copper column 106, and the front and rear ends of the copper column 106 and the inner wall of the second mounting hole 105 are both fixedly connected with semiconductor The first box body 101 has a first air outlet 108, a semiconductor cooling sheet 107 and a fan 104. The first box body 101 has a first air outlet 108. The cold end of the semiconductor cooling sheet 107 is located inside the first box body 101, and the hot end of the semiconductor cooling sheet 107 is located outside the first box body 101. When the semiconductor cooling sheet 107 is turned on, the temperature of the copper column 106 is reduced through the semiconductor cooling sheet 107, and the temperature inside the first box body 101 is reduced through the low-temperature copper column 106. Then, when the fan 104 is turned on, the cold air in the first box body 101 flows in the spiral heat pipe 11 through the fan 104, and the heat of the outer heat pipe 7 is taken away by the cold air. Finally, the air on the left side of the partition 102 is discharged through the first air outlet 108.

[0031] Embodiment 2:

[0032] Reference Figure 1-3 A heat sink 12 is fixedly connected to one side of the semiconductor refrigeration sheet 107 away from the copper column 106, and a second box body 13 is fixedly connected to the front and rear sides of the first box body 101. The heat sink 12 is located in the second box body 13, and an air pipe 14 is fixedly connected to the right side of the second box body 13 and the right side of the first box body 101. The first box body 101 and the second box body 13 are interconnected through the air pipe 14. A second air outlet 15 is provided on the left side of the second box body 13. The heat at the hot end of the semiconductor refrigeration sheet 107 can be quickly transferred to the heat sink 12 through the heat sink 12. At the same time, through the cooperation of the second box body 13, the air pipe 14 and the second air outlet 15, part of the cold air generated by the refrigeration mechanism 10 can be blown onto the heat sink 12, and the heat on the heat sink 12 can be dissipated, so that the cooling effect of the semiconductor refrigeration sheet 107 will not be reduced due to overheating of the hot end when it is working.

[0033] Embodiment three:

[0034] Reference Figure 1-10An internal threaded barrel 16 is fixedly connected to the right side of the cylinder body 1, a retaining ring 17 is fixedly connected to the inner wall of the internal threaded barrel 16, an external threaded barrel 18 is threadedly connected to the inner wall of the internal threaded barrel 16, and a fan-shaped scraper 19 is fitted on the inner wall of the internal threaded barrel 16, the right side of the retaining ring 17, the left side of the external threaded barrel 18 and the surface of the piston rod 8. The fan-shaped scraper 19 can prevent dust on the piston rod 8 from entering the cylinder body 1 when the piston rod 8 moves. Through the cooperation of the internal threaded barrel 16, the external threaded barrel 18 and the retaining ring 17, the user can disassemble and assemble the fan-shaped scraper 19 without removing the parts on the piston rod 8, thereby making it more convenient to replace the fan-shaped scraper 19.

[0035] A groove 20 is opened on the left side of the external threaded barrel 18, and a magnetic block 21 is fixedly connected to the inner wall of the groove 20. The left side of the magnetic block 21 contacts the right side of the fan-shaped scraper 19. The suction force of the magnetic block 21 on the fan-shaped scraper 19 is greater than the gravity of the fan-shaped scraper 19. When the external threaded barrel 18 is screwed out of the internal threaded barrel 16, the suction force of the magnetic block 21 on the fan-shaped scraper 19 can make the fan-shaped scraper 19 move out of the internal threaded barrel 16 together with the external threaded barrel 18, thereby facilitating the user to take the fan-shaped scraper 19 out of the internal threaded barrel 16.

[0036] In the utility model, when the user uses the oil cylinder, oil is injected into the cylinder body 1 through the first oil filling port 2 and the second oil filling port 3, and the piston rod 8 is moved to the left or right. At the same time, when the oil cylinder is working, the heat in the cylinder body 1 can be transferred to the outer heat conducting tube 7 through the cooperation of the inner heat conducting tube 4, the heat conducting plate 6 and the outer heat conducting tube 7. Then, by turning on the semiconductor refrigeration plate 107, the temperature of the copper column 106 is reduced, and the temperature in the first box body 101 is reduced through the low-temperature copper column 106. Then, the fan 104 is turned on, and the cold air in the first box body 101 flows in the spiral heat conducting tube 11 through the fan 104, and the heat of the outer heat conducting tube 7 is taken away by the cold air. Finally, the air on the left side of the partition 102 is discharged through the first air outlet 108.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A high-efficiency oil cylinder, comprising a cylinder body (1), characterized in that: The front side of the cylinder body (1) is fixedly connected to a first oil filling port (2), the front side of the cylinder body (1) is fixedly connected to a second oil filling port (3), the inner wall of the cylinder body (1) is fixedly connected to an inner heat-conducting tube (4), the surface of the cylinder body (1) is provided with a strip hole (5), the inner wall of the strip hole (5) and the surface of the inner heat-conducting tube (4) are both fixedly connected to a heat-conducting plate (6), the surface of the heat-conducting plate (6) and the surface of the cylinder body (1) are both fixedly connected to an outer heat-conducting tube (7), the inner wall of the inner heat-conducting tube (4) and the inner wall of the cylinder body (1) are both fitted with a piston rod (8), the upper surface of the cylinder body (1) is fixedly connected to a connecting column (9), the upper surface of the connecting column (9) is fixedly connected to a refrigeration mechanism (10), the bottom of the refrigeration mechanism (10) is fixedly connected to a spiral heat-conducting tube (11), the inner wall of the spiral heat-conducting tube (11) is in contact with the surface of the outer heat-conducting tube (7).

2. A high-efficiency oil cylinder according to claim 1, characterized in that: The refrigeration mechanism (10) comprises a first box body (101), the bottom of the first box body (101) is fixedly connected to the upper surface of the connecting column (9), the bottom of the first box body (101) is fixedly connected to the top of the spiral heat-conducting pipe (11), the inner wall of the first box body (101) is connected to a partition (102), the upper surface of the first box body (101) is provided with a first mounting hole (103), and the inner wall of the first mounting hole (103) is fixedly connected to a fan (104) The first box body (101) is provided with a second mounting hole (105) on both the front and rear sides, a copper column (106) is arranged inside the first box body (101), the front and rear ends of the copper column (106) and the inner wall of the second mounting hole (105) are fixedly connected with a semiconductor cooling plate (107), the semiconductor cooling plate (107) and the fan (104) are both located on the right side of the partition (102), and the first box body (101) is provided with a first air outlet (108) on the left side.

3. A high-efficiency oil cylinder according to claim 2, characterized in that: A heat sink (12) is fixedly connected to the side of the semiconductor cooling plate (107) away from the copper column (106); the front and rear sides of the first box body (101) are fixedly connected to the second box body (13); the heat sink (12) is located inside the second box body (13); the right side of the second box body (13) and the right side of the first box body (101) are fixedly connected to an air pipe (14); and a second air outlet (15) is provided on the left side of the second box body (13).

4. A high-efficiency oil cylinder according to claim 1, characterized in that: The right side of the cylinder body (1) is fixedly connected to an internal threaded barrel (16), the inner wall of the internal threaded barrel (16) is fixedly connected to a retaining ring (17), the inner wall of the internal threaded barrel (16) is threadedly connected to an external threaded barrel (18), and the inner wall of the internal threaded barrel (16), the right side of the retaining ring (17), the left side of the external threaded barrel (18) and the surface of the piston rod (8) are all fitted with a fan-shaped scraper (19).

5. A high-efficiency oil cylinder according to claim 4, characterized in that: A groove (20) is provided on the left side of the external threaded barrel (18), a magnetic block (21) is fixedly connected to the inner wall of the groove (20), and the left side of the magnetic block (21) contacts the right side of the fan-shaped scraper (19).

6. A high-efficiency oil cylinder according to claim 5, characterized in that: The suction force of the magnetic block (21) on the fan-shaped scraper (19) is greater than the gravity of the fan-shaped scraper (19).

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