Rotary oil cylinder

Abstract

The utility model relates to the technical field of rotating oil cylinders, and discloses a rotating oil cylinder which comprises a cylinder body, a first bearing is fixedly connected to the inner wall of the cylinder body, a rotating rod is fixedly connected to the inner wall of the first bearing, a gear is fixedly connected to the surface of the rotating rod, telescopic supports are fixedly connected to the upper side and the lower side of the inner wall of the cylinder body, and the telescopic supports are fixedly connected to the inner wall of the cylinder body. The side, close to the gear, of the telescopic support is fixedly connected with a rack, and the rack is meshed with the gear. Through the arrangement of the cylinder body, the telescopic support, the rack, the second sliding block, the first strip-shaped hole, the hollow cylinder, the trapezoidal hole and the adjusting support, when a user rotates the rotating block on the adjusting support, the hollow cylinder moves forwards or backwards through the cooperation of the threaded column and the threaded cylinder, and meanwhile after the position of the hollow cylinder is changed, the adjusting support can move forwards or backwards. Through cooperation of the trapezoidal hole and the second sliding block, the maximum moving distance of the rack is changed, and the maximum stroke of the rotating oil cylinder is changed.

Description

Technical Field

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

[0002] At present, most of the rotary cylinders on the market control the movement of the rack in the cylinder body through hydraulic oil, and then rotate the rotating rod on the cylinder body through the cooperation of the rack and the gear. For example, a rotary cylinder disclosed in Chinese Patent Publication No. CN209510768U, however, has a fixed maximum stroke of the rack, which makes it impossible to adjust the maximum stroke of the rotary cylinder as needed, thereby reducing the application range of the rotary cylinder. At the same time, since both the rack and the gear are located in the cylinder body, it is more troublesome for the user to lubricate the connection between the rack and the gear. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, most of the rotary cylinders on the market control the movement of the rack in the cylinder body through hydraulic oil, and then, through the cooperation of the rack and the gear, the rotating rod on the cylinder body rotates, but since the maximum stroke of the rack is fixed, the maximum stroke of the rotary cylinder cannot be adjusted as needed, so that the application range of the rotary cylinder is small. At the same time, since the rack and the gear are both located in the cylinder body, it is more troublesome for the user to lubricate the connection between the rack and the gear, so a rotary cylinder is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The cam is an axially-coupled gear, and the axle is connected with the gear of the gear train, and the axle of the gear train is connected with the gear of the gear train, and the axle of the gear train is connected with the gear of the gear train, and the axle of the gear train is connected with the gear of the gear train.

[0006] Preferably, the telescopic bracket includes a first hollow block, the bottom of the first hollow block is fixedly connected to the upper surface of the cylinder body, the inner wall of the first hollow block is fixedly connected with a U-shaped tube, the surface of the U-shaped tube is fixedly connected with a first piston block, the surface of the first piston block is fitted with a first cylinder, the upper surface of the first cylinder is fixedly connected with a first slider, the surface of the first slider is in contact with the inner wall of the cylinder body, the left and right sides of the first slider are respectively fixedly connected to the side surface of the second slider and the side surface of the rack, the upper surface of the first slider is fixedly connected with a second cylinder, the inner wall of the second cylinder is fitted with a second piston block, and the inner wall of the second piston block and the top of the inner wall of the cylinder body are fixedly connected with a third cylinder.

[0007] Preferably, the center of the oil nozzle and the center of the third cylinder are on the same vertical line.

[0008] Preferably, the adjusting bracket includes a second hollow block, the inner wall of the second hollow block is fixedly connected with a threaded barrel, the inner wall of the threaded barrel is threadedly connected with a threaded column, the front and rear ends of the threaded column are fixedly connected with a rotating block, the surface of the threaded column is fixedly connected with a second bearing, and the surface of the second bearing and the upper surface of the cylinder body are fixedly connected with a connecting block.

[0009] Preferably, a through hole is opened on the front side of the cylinder body, an oil inlet pipe is fixedly connected to the inner wall of the through hole, a sealing cover is threadedly connected to the inner wall of the oil inlet pipe, and an oil outlet hole is opened at the bottom of the oil inlet pipe.

[0010] Preferably, the oil outlet hole is located above the gear.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model is provided with a cylinder body, a telescopic bracket, a rack, a second slider, a first strip hole, a hollow cylinder, a trapezoidal hole and an adjusting bracket, wherein when a user rotates a rotating block on the adjusting bracket, the hollow cylinder moves forward or backward through the cooperation of the threaded column and the threaded cylinder, and at the same time, when the position of the hollow cylinder changes, the maximum moving distance of the rack changes through the cooperation of the trapezoidal hole and the second slider, and then the maximum stroke of the rotary cylinder can be adjusted as needed through the cooperation of the cylinder body, the telescopic bracket, the rack, the second slider, the first strip hole, the hollow cylinder, the trapezoidal hole and the adjusting bracket.

[0013] (2) The utility model provides a through hole, an oil inlet pipe, a sealing cover and an oil outlet hole. When the user unscrews the sealing cover from the oil inlet pipe, the lubricating oil can be directly dripped onto the gear through the oil inlet pipe and the oil outlet hole. The cooperation of the through hole, the oil inlet pipe, the sealing cover and the oil outlet hole facilitates the user to lubricate the connection between the gear and the rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 Sectional view at AA;

[0016] Figure 3 It is a front view of the structure of the utility model;

[0017] Figure 4 It is a right side view of the cylinder body of the utility model;

[0018] Figure 5 It is a front view of the cylinder body of the utility model;

[0019] Figure 6 It is a schematic diagram of the telescopic bracket in the utility model;

[0020] Figure 7 This is a top view of the hollow core tube of the utility model;

[0021] Figure 8 It is a side view of the adjusting bracket in the utility model.

[0022] In the figure: 1. cylinder body; 2. first bearing; 3. rotating rod; 4. gear; 5. telescopic bracket; 51. first hollow block; 52. U-shaped tube; 53. first piston block; 54. first cylinder; 55. first slider; 56. second cylinder; 57. second piston block; 58. third cylinder; 6. rack; 7. second slider; 8. first strip hole; 9. hollow cylinder; 10. trapezoidal hole; 11. adjusting bracket; 111. second hollow block; 112. threaded cylinder; 113. threaded column; 114. rotating block; 115. second bearing; 116. connecting block; 12. oil nozzle; 13. through hole; 14. oil inlet pipe; 15. sealing cover; 16. oil outlet hole; 17. second strip hole. DETAILED DESCRIPTION

[0023] 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.

[0024] 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.

[0025] Embodiment 1:

[0026] Reference Figure 1-8 A rotary oil cylinder comprises a cylinder body 1, the inner wall of the cylinder body 1 is fixedly connected with a first bearing 2, the inner wall of the first bearing 2 is fixedly connected with a rotating rod 3, the rotating rod 3 is connected to the cylinder body 1 through the first bearing 2, the surface of the rotating rod 3 is fixedly connected with a gear 4, the upper and lower sides of the inner wall of the cylinder body 1 are fixedly connected with telescopic brackets 5, the side of the telescopic bracket 5 close to the gear 4 is fixedly connected with a rack 6, the rack 6 and the gear 4 are meshed with each other, when the rack 6 moves, the rotating rod 3 can be rotated through the cooperation of the rack 6 and the gear 4, the side of the telescopic bracket 5 away from the gear 4 is fixedly connected with a second slider 7, the cylinder body 1 A first strip hole 8 is provided on both sides of the left and right sides, and the inner wall of the first strip hole 8 contacts the surface of the second slider 7. A hollow cylinder 9 is fitted on the surface of the cylinder body 1, and a trapezoidal hole 10 is provided on both sides of the left and right sides of the hollow cylinder 9. The second slider 7 is located in the trapezoidal hole 10. The upper surface of the hollow cylinder 9 and the upper surface of the cylinder body 1 are fixedly connected with an adjusting bracket 11. The upper surface of the cylinder body 1 is fixedly connected with an oil nozzle 12, and the center of the oil nozzle 12 is on the same vertical line as the center of the third cylinder 58. A second strip hole 17 is provided on the upper surface of the hollow cylinder 9, and the inner wall of the second strip hole 17 contacts the surface of the oil nozzle 12.

[0027] The telescopic bracket 5 includes a first hollow block 51, the bottom of which is fixedly connected to the upper surface of the cylinder body 1, a U-shaped tube 52 is fixedly connected to the inner wall of the first hollow block 51, a first piston block 53 is fixedly connected to the surface of the U-shaped tube 52, a first cylinder 54 is fitted on the surface of the first piston block 53, a first slider 55 is fixedly connected to the upper surface of the first cylinder 54, the surface of the first slider 55 contacts the inner wall of the cylinder body 1, the left and right sides of the first slider 55 are fixedly connected to the side of the second slider 7 and the side of the rack 6 respectively, a second cylinder 56 is fixedly connected to the upper surface of the first slider 55, a second piston block 57 is fitted on the inner wall of the second cylinder 56, and the inner wall of the second piston block 57 The third cylinder 58 is fixedly connected to the wall and the top of the inner wall of the cylinder body 1. The first slider 55 is moved upward or downward by changing the hydraulic oil between the second piston block 57 and the second slider 7. When the first slider 55 on one side moves upward, the first slider 55 on the other side moves downward through the cooperation of the U-shaped tube 52, the first piston block 53, the first cylinder 54 and the hydraulic oil. When the slider on one side moves downward, the first slider 55 on the other side moves upward through the cooperation of the U-shaped tube 52, the first piston block 53, the first cylinder 54 and the hydraulic oil. At the same time, when the position of the hollow cylinder 9 is changed, the maximum moving distance of the rack 6 is changed through the cooperation of the trapezoidal hole 10 and the second slider 7.

[0028] The adjusting bracket 11 includes a second hollow block 111, the inner wall of the second hollow block 111 is fixedly connected with a threaded barrel 112, the inner wall of the threaded barrel 112 is threadedly connected with a threaded column 113, the front and rear ends of the threaded column 113 are fixedly connected with a rotating block 114, the surface of the threaded column 113 is fixedly connected with a second bearing 115, the surface of the second bearing 115 and the upper surface of the cylinder body 1 are fixedly connected with a connecting block 116, when the user rotates the rotating block 114, the hollow barrel 9 moves forward or backward through the cooperation of the threaded column 113 and the threaded barrel 112.

[0029] Embodiment 2:

[0030] Reference Figure 1-4 A through hole 13 is provided on the front of the cylinder body 1, and an oil inlet pipe 14 is fixedly connected to the inner wall of the through hole 13, and a sealing cover 15 is threadedly connected to the inner wall of the oil inlet pipe 14. An oil outlet hole 16 is provided at the bottom of the oil inlet pipe 14, and the oil outlet hole 16 is located above the gear 4. By arranging the through hole 13, the oil inlet pipe 14, the sealing cover 15 and the oil outlet hole 16, when the user unscrews the sealing cover 15 from the oil inlet pipe 14, the lubricating oil can be directly dripped onto the gear 4 through the oil inlet pipe 14 and the oil outlet hole 16. Through the cooperation of the through hole 13, the oil inlet pipe 14, the sealing cover 15 and the oil outlet hole 16, it is convenient for the user to lubricate the connection between the gear 4 and the rack 6. At the same time, when the sealing cover 15 is screwed on the oil inlet pipe 14, the oil inlet pipe 14 can be sealed by the sealing cover 15.

[0031] In the utility model, when the user uses the rotary oil cylinder, the oil nozzle 12 is first connected to the oil pump, and then, the amount of hydraulic oil in the second cylinder 56 is changed through the cooperation of the oil pump and the oil nozzle 12. When the amount of hydraulic oil in the left second cylinder 56 increases, the first slider 55 on the left is pushed downward by the hydraulic oil, and the first slider 55 on the right is moved upward by the cooperation of the U-shaped tube 52, the first piston block 53, the first cylinder 54 and the hydraulic oil. At this time, the hydraulic oil in the right second cylinder 56 is discharged through the oil nozzle 12 on the right, and the rotating rod 3 is rotated counterclockwise through the cooperation of the rack 6 and the gear 4. When the amount of hydraulic oil in the right second cylinder 56 increases, the first slider 5 on the right is pushed by the hydraulic oil. 5 moves downward, and through the cooperation of the U-shaped tube 52, the first piston block 53, the first cylinder 54 and the hydraulic oil, the first slider 55 on the left side moves upward. At this time, the hydraulic oil in the second cylinder 56 on the left side is discharged through the oil nozzle 12 on the left side, and through the cooperation of the rack 6 and the gear 4, the rotating rod 3 rotates clockwise. When the user needs to adjust the maximum stroke of the rotary cylinder, first rotate the rotating block 114 to rotate the threaded column 113, and then, through the cooperation of the threaded column 113 and the threaded cylinder 112, the position of the hollow cylinder 9 is changed, and through the cooperation of the trapezoidal hole 10 and the second slider 7, the maximum moving distance of the rack 6 is changed. At this time, the maximum stroke of the rotary cylinder can be changed.

[0032] 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.

[0033] 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 rotary cylinder, comprising a cylinder body (1), characterized in that: The inner wall of the cylinder body (1) is fixedly connected to a first bearing (2), the inner wall of the first bearing (2) is fixedly connected to a rotating rod (3), the surface of the rotating rod (3) is fixedly connected to a gear (4), the upper and lower sides of the inner wall of the cylinder body (1) are fixedly connected to telescopic brackets (5), the side of the telescopic bracket (5) close to the gear (4) is fixedly connected to a rack (6), the rack (6) and the gear (4) are meshed with each other, the side of the telescopic bracket (5) away from the gear (4) is fixedly connected to a second sliding block (7), the left and right sides of the cylinder body (1) are both provided with first strip holes (8), the first The inner wall of the strip hole (8) contacts the surface of the second slider (7); a hollow cylinder (9) is provided on the surface of the cylinder body (1); trapezoidal holes (10) are provided on both the left and right sides of the hollow cylinder (9); the second slider (7) is located in the trapezoidal hole (10); an adjustment bracket (11) is fixedly connected to the upper surface of the hollow cylinder (9) and the upper surface of the cylinder body (1); an oil nozzle (12) is fixedly connected to the upper surface of the cylinder body (1); a second strip hole (17) is provided on the upper surface of the hollow cylinder (9); and the inner wall of the second strip hole (17) contacts the surface of the oil nozzle (12).

2. A rotary cylinder according to claim 1, characterized in that: The telescopic bracket (5) comprises a first hollow block (51), the bottom of which is fixedly connected to the upper surface of the cylinder body (1), the inner wall of the first hollow block (51) is fixedly connected to a U-shaped tube (52), the surface of the U-shaped tube (52) is fixedly connected to a first piston block (53), the surface of the first piston block (53) is fitted with a first cylinder (54), the upper surface of the first cylinder (54) is fixedly connected to a first slider (55), the surface of the first slider (55) is in contact with the inner wall of the cylinder body (1), the left and right sides of the first slider (55) are respectively fixedly connected to the side surface of the second slider (7) and the side surface of the rack (6), the upper surface of the first slider (55) is fixedly connected to a second cylinder (56), the inner wall of the second cylinder (56) is fitted with a second piston block (57), and the inner wall of the second piston block (57) and the top of the inner wall of the cylinder body (1) are both fixedly connected to a third cylinder (58).

3. A rotary cylinder according to claim 2, characterized in that: The center of the oil nozzle (12) and the center of the third cylinder (58) are on the same vertical line.

4. A rotary cylinder according to claim 1, characterized in that: The adjusting bracket (11) comprises a second hollow block (111), the inner wall of the second hollow block (111) is fixedly connected to a threaded cylinder (112), the inner wall of the threaded cylinder (112) is threadedly connected to a threaded column (113), the front and rear ends of the threaded column (113) are fixedly connected to a rotating block (114), the surface of the threaded column (113) is fixedly connected to a second bearing (115), and the surface of the second bearing (115) and the upper surface of the cylinder body (1) are fixedly connected to a connecting block (116).

5. The rotary cylinder according to claim 1, characterized in that: The front surface of the cylinder body (1) is provided with a through hole (13), the inner wall of the through hole (13) is fixedly connected with an oil inlet pipe (14), the inner wall of the oil inlet pipe (14) is threadedly connected with a sealing cover (15), and the bottom of the oil inlet pipe (14) is provided with an oil outlet hole (16).

6. A rotary cylinder according to claim 5, characterized in that: The oil outlet hole (16) is located above the gear (4).

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