Adjustable telescopic two-way pressure oil cylinder

Abstract

The utility model discloses an adjustable telescopic two-way pressure oil cylinder, and relates to the technical field of two-way pressure oil cylinders. According to the adjustable telescopic two-way pressing oil cylinder, by pressing the upper buckle and the lower buckle, the buckles are disengaged from the clamping grooves, the cleaning scraper can be taken down from the surface of the mounting base, rapid disassembly of the cleaning scraper is achieved, the upper buckle and the lower buckle are pressed again, and the limiting grooves in the surface of the cleaning scraper are connected with the limiting protruding blocks in a sleeved mode, so that the cleaning scraper is rapidly disassembled. When the connecting seat slides to a position close to the mounting flange, the connecting seat is in contact with a damping gasket on the surface of a buffer plate to drive a movable rod to slide along the inner side of a buffer seat, so that the cleaning scraping plate can be quickly mounted and fixed, and the cleaning scraping plate can be quickly mounted and fixed. And the buffer spring is compressed, so that the connecting seat is damped and buffered, and meanwhile, the cleaning scraper is protected from being influenced by the connecting seat.

Description

Technical Field

[0001] The utility model relates to the technical field of bidirectional oil pressure cylinders, in particular to an adjustable telescopic bidirectional oil pressure cylinder. Background Art

[0002] A bidirectional hydraulic cylinder is a device that uses hydraulic principles to complete mechanical movement. It is usually composed of a cylinder body, a piston, seals, inlet and outlet oil pipes, etc. It can drive the piston to achieve linear movement by providing pressurized oil. It is mostly used in industry, construction, agriculture and other fields.

[0003] For example, publication number CN218266603U discloses an adjustable telescopic bidirectional oil pressure cylinder, comprising a cylinder body, both ends of the cylinder body are fixed with mounting flanges, a piston rod is slidably mounted on one side of the mounting flange, a side of the mounting flange is located at the outer side of the piston rod, a turntable is rotatably mounted, and teeth are arranged on one side of the outer surface of the turntable, a front surface of the turntable is located at a position corresponding to the piston rod and a plurality of scrapers are fixed thereon, a side of the mounting flange is located above the turntable and a rotating rod is rotatably mounted thereon, and a gear is fixed at one end of the outer surface of the rotating rod, and a connecting pipe is connected to both ends of the outer surface of the cylinder body. The utility model provides an adjustable telescopic bidirectional oil pressure cylinder, which can drive the turntable to rotate by setting a toggle plate, a rotating rod, a gear and the cooperation of the rotating rod, thereby driving the scraper to slide quickly along the piston rod, so as to scrape off the dust and hydraulic oil adsorbed on the outer surface of the piston rod, thereby avoiding long-term dust accumulation and sludge formation;

[0004] The adjustable telescopic bidirectional pressure oil cylinder in the utility model lacks a protective structure for the cleaning component, which makes it easy for the bidirectional pressure oil cylinder to impact the cleaning component during operation, causing damage to the cleaning component, and its transmission structure is easily affected by dust and oil and causes jamming, affecting the normal use of the bidirectional pressure oil cylinder. At the same time, its cleaning scraper lacks a quick disassembly and assembly structure, which makes cleaning and maintenance of the cleaning scraper more troublesome. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an adjustable telescopic bidirectional oil pressure cylinder, which solves the problem that the adjustable telescopic bidirectional oil pressure cylinder lacks a protective structure for the cleaning component, which makes it easy for the bidirectional oil pressure cylinder to impact the cleaning component during operation, causing damage to the cleaning component, and its transmission structure is easily affected by dust and oil and causes jamming, affecting the normal use of the bidirectional oil pressure cylinder. At the same time, its cleaning scraper lacks a quick disassembly and assembly structure, which makes cleaning and maintenance of the cleaning scraper more troublesome.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an adjustable telescopic bidirectional oil pressure cylinder, comprising a cylinder body, mounting flanges are fixedly installed on the left and right ends of the cylinder body, a connecting port is provided on the upper end of the cylinder body, a piston rod is slidably connected to the inner side of the cylinder body, a transmission box is fixedly installed on the side of the mounting flange away from the cylinder body, a mounting seat is provided on the side of the transmission box away from the mounting flange, a cleaning scraper is provided on the side of the mounting seat away from the transmission box, movable grooves are provided on the upper and lower ends of the mounting seat, a buckle is slidably sleeved on the inner side of the movable groove, a limiting protrusion is fixedly installed on the side of the mounting seat close to the cleaning scraper, a buffer seat is fixedly installed on the surface of the mounting flange at the front and rear sides of the transmission box, a movable rod is slidably sleeved on the inner side of the buffer seat, and a buffer plate is provided on the side of the cleaning scraper away from the mounting seat.

[0007] Preferably, two piston rods are symmetrically arranged on the left and right, one end of the piston rod extends to the outside of the cylinder body through a mounting flange, and is slidingly connected to the inner side of the mounting flange, so as to facilitate bidirectional telescopic adjustment of the hydraulic cylinder.

[0008] Preferably, a gear ring is provided on the inner side of the transmission box, the mounting seat is rotatably connected to the transmission box on one side close to the transmission box, and extends to the inner side of the transmission box and is fixedly connected to the gear ring, the piston rod, the gear ring and the inner side of the mounting seat are adapted to each other, a gear is provided on the upper end of the gear ring, and a toggle plate is fixedly installed on the inner side of the connecting port on one side of the gear close to the cylinder body, thereby realizing the transmission of the hydraulic oil to the mounting seat.

[0009] Preferably, two cleaning scrapers are symmetrically arranged on the surface of the mounting seat, and are slidably sleeved on the outer side of the piston rod. The buckle is symmetrically arranged up and down, and the buckle and the inner side of the movable groove are slidably connected through a sliding rod. A return spring is sleeved on the outer side of the sliding rod, and the two ends of the return spring are respectively fixedly connected to the buckle and the inner side of the movable groove, which facilitates the disassembly, assembly and fixation of the cleaning scraper.

[0010] Preferably, the cleaning scraper is provided with locking grooves at the upper and lower ends, the buckle extends to the outside of the movable groove at one end away from the transmission box, and is engaged with the inner side of the locking groove. The cleaning scraper is provided with a limiting groove on the side close to the mounting seat, and the limiting protrusion is slidably sleeved with the inner side of the limiting groove to facilitate the positioning of the cleaning scraper.

[0011] Preferably, a buffer spring is fixedly installed on the inner side of the buffer seat, one end of the movable rod is fixedly connected to the buffer spring, and the other end of the movable rod extends to the outside of the buffer seat and is fixedly connected to the front and rear ends of the buffer plate, so as to facilitate shock absorption and buffering of the buffer plate.

[0012] Preferably, the buffer plate is arranged in an annular structure and is adapted to the outer side of the piston rod. A connecting seat is fixedly installed on the end of the piston rod away from the cylinder body, and a shock-absorbing gasket is fixedly installed on the side of the buffer plate close to the connecting seat to facilitate limiting buffering of the connecting seat. Beneficial Effects

[0013] The utility model provides an adjustable telescopic bidirectional oil pressure cylinder. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The adjustable telescopic bidirectional oil pressure cylinder is provided with a mounting seat, a cleaning scraper, a locking groove, a limiting groove, a movable groove, a sliding rod, a reset spring, a buckle, and a limiting protrusion. By pressing the upper and lower buckles to slide along the sliding rod inside the movable groove, the buckle is disengaged from the locking groove, and the cleaning scraper can be removed from the surface of the mounting seat, so that the cleaning scraper can be quickly disassembled and it is convenient to clean and maintain it. During the installation process, the upper and lower buckles are pressed again, and the limiting groove on the surface of the cleaning scraper is sleeved with the limiting protrusion to achieve the positioning of the cleaning scraper. After the two cleaning scrapers are positioned, the buckle is released, so that it slides and resets along the sliding rod under the action of the reset spring, and is engaged with the locking groove, so that the cleaning scraper can be quickly installed and fixed.

[0015] 2. The adjustable telescopic bidirectional pressure cylinder is provided with a connecting seat, a buffer seat, a buffer spring, a movable rod, a buffer plate, a shock-absorbing gasket, and a transmission box. When the connecting seat slides to near the mounting flange, it contacts the shock-absorbing gasket on the surface of the buffer plate, driving the movable rod to slide along the inner side of the buffer seat. The buffer spring is compressed to achieve shock absorption and buffering of the connecting seat. At the same time, the cleaning scraper is protected from the influence of the connecting seat. The transmission box cooperates with the surrounding protection of the gear ring and other structures to avoid the transmission structure from being stuck due to the influence of dust and oil, thereby effectively improving the service life of the cleaning component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 .

[0017] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 .

[0018] Figure 3 It is a partial right side view half-section schematic diagram of the utility model.

[0019] Figure 4 It is a partial top view and half-section structure schematic diagram of the utility model.

[0020] In the figure: 1. cylinder body; 2. mounting flange; 3. connecting port; 4. piston rod; 41. connecting seat; 5. transmission box; 51. gear ring; 52. gear; 53. toggle plate; 6. mounting seat; 7. cleaning scraper; 71. engaging groove; 72. limiting groove; 8. movable groove; 81. sliding rod; 82. reset spring; 9. buckle; 10. limiting protrusion; 11. buffer seat; 111. buffer spring; 12. movable rod; 13. buffer plate; 131. shock-absorbing gasket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: an adjustable telescopic bidirectional oil pressure cylinder, comprising a cylinder body 1, mounting flanges 2 are fixedly installed at the left and right ends of the cylinder body 1, a connecting port 3 is arranged at the upper end of the cylinder body 1, a piston rod 4 is slidably connected to the inner side of the cylinder body 1, two piston rods 4 are symmetrically arranged on the left and right, one end of the piston rod 4 extends to the outer side of the cylinder body 1 through the mounting flange 2, and is slidably connected to the inner side of the mounting flange 2, a transmission box 5 is fixedly installed on the side of the mounting flange 2 away from the cylinder body 1, a mounting seat 6 is arranged on the side of the transmission box 5 away from the mounting flange 2, a gear ring 51 is arranged on the inner side of the transmission box 5, and the mounting seat 6 is close to the transmission box 5. One side is rotatably connected with the transmission box 5, and extends to the inner side of the transmission box 5 and is fixedly connected with the gear ring 51. The piston rod 4 and the inner sides of the gear ring 51 and the mounting seat 6 are adapted to each other. A gear 52 is arranged on the upper end of the gear ring 51. A toggle plate 53 is fixedly installed on the inner side of the connecting port 3 on the side of the gear 52 close to the cylinder body 1. A cleaning scraper 7 is arranged on the side of the mounting seat 6 away from the transmission box 5. During the operation of the cylinder body 1, hydraulic oil is input and output through the connecting port 3, driving the toggle plate 53 to rotate, so that the rotating shaft drives the gear 52 to rotate, so that the gear ring 51 drives the mounting seat 6 and the cleaning scraper 7 to rotate, so as to clean the surface of the piston rod 4.

[0023] The upper and lower ends of the mounting seat 6 are provided with movable grooves 8, and the inner side of the movable groove 8 is slidably sleeved with a buckle 9. The cleaning scraper 7 is located on the surface of the mounting seat 6 and is symmetrically arranged with two front and rear symmetries, and is slidably sleeved with the outer side of the piston rod 4. The buckle 9 is symmetrically arranged up and down, and the buckle 9 and the inner side of the movable groove 8 are slidably connected through a sliding rod 81. A return spring 82 is sleeved on the outer side of the sliding rod 81, and the two ends of the return spring 82 are respectively fixedly connected with the buckle 9 and the inner side of the movable groove 8. A limiting protrusion 10 is fixedly installed on the side of the mounting seat 6 close to the cleaning scraper 7. The upper and lower ends of the cleaning scraper 7 are provided with a snap-fitting groove 71. The end of the snap-fitting groove 9 away from the transmission box 5 extends to the outer side of the movable groove 8, and is snap-fitted and connected with the inner side of the snap-fitting groove 71. The cleaning scraper 7 The limiting groove 72 is provided on one side close to the mounting seat 6, and the limiting protrusion 10 is slidably sleeved with the inner side of the limiting groove 72. By pressing the upper and lower buckles 9 to slide along the slide rod 81 inside the movable groove 8, the buckle 9 is disengaged from the engagement with the engagement groove 71, and the cleaning scraper 7 can be removed from the surface of the mounting seat 6, so that the cleaning scraper 7 can be quickly disassembled. During the installation process, the upper and lower buckles 9 are pressed again to sleeve the limiting groove 72 on the surface of the cleaning scraper 7 with the limiting protrusion 10 to achieve the positioning of the cleaning scraper 7. After the two cleaning scrapers 7 are positioned, the buckle 9 is released to make it slide and reset along the slide rod 81 under the action of the reset spring 82, and engage with the engagement groove 71 to achieve the quick installation and fixation of the cleaning scraper 7;

[0024] The surface of the mounting flange 2 is located at the front and rear sides of the transmission box 5 and is fixedly mounted with a buffer seat 11. A movable rod 12 is slidably sleeved on the inner side of the buffer seat 11. A buffer plate 13 is arranged on the side of the cleaning scraper 7 away from the mounting seat 6. A buffer spring 111 is fixedly mounted on the inner side of the buffer seat 11. One end of the movable rod 12 is fixedly connected to the buffer spring 111. The other end of the movable rod 12 extends to the outside of the buffer seat 11 and is fixedly connected to the front and rear ends of the buffer plate 13. The buffer plate 13 is arranged in an annular structure and is connected to the movable rod 12. The outer sides of the plug rod 4 are adapted to each other, and a connecting seat 41 is fixedly installed at one end of the piston rod 4 away from the cylinder body 1, and a shock-absorbing gasket 131 is fixedly installed on the side of the buffer plate 13 close to the connecting seat 41. When the connecting seat 41 slides to a position close to the mounting flange 2, the connecting seat 41 contacts the shock-absorbing gasket 131 on the surface of the buffer plate 13, driving the movable rod 12 to slide along the inner side of the buffer seat 11, and the buffer spring 111 is compressed, thereby realizing shock absorption and buffering of the connecting seat 41, and at the same time protecting the cleaning scraper 7 from being affected by the connecting seat 41.

[0025] The cleaning blade 7 can be removed from the surface of the mounting seat 6 by pressing the upper and lower buckles 9 to make them slide along the slide rod 81 inside the movable groove 8, so that the buckle 9 is disengaged from the engagement groove 71, and the cleaning blade 7 can be quickly disassembled to facilitate cleaning and maintenance. During the installation process, the upper and lower buckles 9 are pressed again to position the cleaning blade 7 by engaging the limiting groove 72 on the surface of the cleaning blade 7 with the limiting protrusion 10. After the two cleaning blades 7 are positioned, the buckle 9 is released to slide and reset along the slide rod 81 under the action of the reset spring 82, and engage with the engagement groove 71 to achieve quick installation and fixation of the cleaning blade 7. During the operation of the cylinder body 1, the hydraulic oil is passed through the cylinder body 1. The input and output are transmitted through the communication port 3, driving the toggle plate 53 to rotate, so that the rotating shaft drives the gear 52 to rotate, and the gear ring 51 drives the mounting seat 6 and the cleaning scraper 7 to rotate, so as to clean the surface of the piston rod 4. When the connecting seat 41 slides close to the mounting flange 2, the connecting seat 41 contacts the shock-absorbing gasket 131 on the surface of the buffer plate 13, driving the movable rod 12 to slide along the inner side of the buffer seat 11, and the buffer spring 111 is compressed to achieve shock absorption and buffering of the connecting seat 41. At the same time, the cleaning scraper 7 is protected from being affected by the connecting seat 41. The transmission box 5 cooperates with the surrounding protection of the gear ring 51 and other structures to avoid the transmission structure from being affected by dust and oil and causing jamming, thereby effectively improving the service life of the cleaning component.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable telescopic bidirectional hydraulic cylinder, comprising a cylinder body (1), characterized in that: The left and right ends of the cylinder body (1) are fixedly mounted with mounting flanges (2); the upper end of the cylinder body (1) is provided with a connecting port (3); the inner side of the cylinder body (1) is slidably connected with a piston rod (4); a transmission box (5) is fixedly mounted on the side of the mounting flange (2) away from the cylinder body (1); a mounting seat (6) is provided on the side of the transmission box (5) away from the mounting flange (2); a cleaning scraper (7) is provided on the side of the mounting seat (6) away from the transmission box (5); movable grooves (8) are provided at the upper and lower ends of the mounting seat (6); a buckle (9) is slidably sleeved on the inner side of the movable groove (8); a limiting protrusion (10) is fixedly mounted on the side of the mounting seat (6) close to the cleaning scraper (7); a buffer seat (11) is fixedly mounted on the surface of the mounting flange (2) at the front and rear sides of the transmission box (5); a movable rod (12) is slidably sleeved on the inner side of the buffer seat (11); and a buffer plate (13) is provided on the side of the cleaning scraper (7) away from the mounting seat (6).

2. The adjustable telescopic bidirectional oil cylinder according to claim 1, characterized in that: Two piston rods (4) are symmetrically arranged on both sides, and one end of the piston rod (4) extends to the outside of the cylinder body (1) through the mounting flange (2) and is slidably connected to the inside of the mounting flange (2).

3. The adjustable telescopic bidirectional oil cylinder according to claim 1 is characterized in that: A gear ring (51) is provided on the inner side of the transmission box (5); a side of the mounting seat (6) close to the transmission box (5) is rotatably connected to the transmission box (5) and extends to the inner side of the transmission box (5) and is fixedly connected to the gear ring (51); the piston rod (4), the gear ring (51) and the inner side of the mounting seat (6) are mutually adapted; a gear (52) is provided on the upper end of the gear ring (51); a side of the gear (52) close to the cylinder body (1) extends through a rotating shaft to the inner side of the connecting port (3) where a toggle plate (53) is fixedly installed.

4. The adjustable telescopic bidirectional oil pressure cylinder according to claim 1, characterized in that: The cleaning scrapers (7) are arranged on the surface of the mounting seat (6) in a front-to-back symmetrical manner, and are slidably sleeved on the outer side of the piston rod (4). The buckles (9) are arranged symmetrically in the upper and lower directions. The buckles (9) and the inner side of the movable groove (8) are slidably connected via a sliding rod (81). A return spring (82) is sleeved on the outer side of the sliding rod (81), and the two ends of the return spring (82) are fixedly connected to the buckle (9) and the inner side of the movable groove (8), respectively.

5. The adjustable telescopic bidirectional oil pressure cylinder according to claim 1, characterized in that: The cleaning scraper (7) is provided with engaging grooves (71) at the upper and lower ends, the buckle (9) extends to the outer side of the movable groove (8) at one end away from the transmission box (5) and is engaged with the inner side of the engaging groove (71), and the cleaning scraper (7) is provided with a limiting groove (72) at one side close to the mounting seat (6), and the limiting protrusion (10) is slidably sleeved with the inner side of the limiting groove (72).

6. The adjustable telescopic bidirectional oil pressure cylinder according to claim 1, characterized in that: A buffer spring (111) is fixedly mounted on the inner side of the buffer seat (11), one end of the movable rod (12) is fixedly connected to the buffer spring (111), and the other end of the movable rod (12) extends to the outer side of the buffer seat (11) and is fixedly connected to the front and rear ends of the buffer plate (13).

7. The adjustable telescopic bidirectional oil cylinder according to claim 1, characterized in that: The buffer plate (13) is arranged in an annular structure and is adapted to the outer side of the piston rod (4); a connecting seat (41) is fixedly mounted on one end of the piston rod (4) away from the cylinder body (1); and a shock-absorbing gasket (131) is fixedly mounted on one side of the buffer plate (13) close to the connecting seat (41).

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