Hydraulic oil cylinder with protective structure

Abstract

The utility model discloses a hydraulic oil cylinder with a protective structure, which belongs to the technical field of oil cylinders and is characterized in that a mounting cavity matched with the hydraulic oil cylinder is formed in the middle of a base, and a lifting table is slidably arranged at the top of a sliding seat; two groups of symmetrical lower locking cavities are formed in the base, the inner sides of the lower locking cavities communicate with the mounting cavity, lower through holes are formed in the inner walls of the lower locking cavities, and lower clamping plates are movably connected into the lower locking cavities; a through clamping cavity is formed in the middle of the lifting table, two sets of symmetrical upper locking cavities are formed in the lifting table, the inner sides of the upper locking cavities communicate with the clamping cavity, through upper through holes are formed in the inner walls of the upper locking cavities, and upper clamping plates are movably connected into the upper locking cavities. The base can be fixedly arranged on the ground through the plug pins, the height of the lifting table can be adjusted through the sliding seat and the sliding legs, and the upper clamping plate and the lower clamping plate can conduct double fixation on the upper side and the lower side of the hydraulic cylinder. The design is ingenious and effective, and stability and practicability are improved.

Description

Technical Field

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

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy, producing linear reciprocating (or oscillating) motion. It features a simple structure and reliable operation. Reciprocating motion can be achieved without a reduction gear, with zero transmission backlash and smooth motion. Therefore, it is widely used in the hydraulic systems of various machines. With the continuous development of the economy, the market demand for hydraulic cylinders continues to increase. Currently, hydraulic cylinders mainly consist of a cylinder body, a piston, oil supply and discharge lines, and a piston rod.

[0003] The patent application with publication number CN221628567U discloses a hydraulic cylinder with an external protective structure, including a hydraulic cylinder body, a bottom plate is provided at the bottom of the hydraulic cylinder body, support plates are fixedly connected on both sides of the top of the bottom plate, a protective mechanism is provided on the surface of the hydraulic cylinder body, a fixing mechanism is provided on the top of the bottom plate, the protective mechanism includes a fixing ring, a protective pad, a fixing rod and a movable rod, the fixing ring is provided on the surface of the hydraulic cylinder body, the protective pad is provided inside the fixing ring, and the fixing rod is fixed inside the fixing ring. The beneficial effect of this utility model is that by providing the protective mechanism, the protective pad is installed inside the fixing ring, which plays a protective role on the hydraulic cylinder body. When the protective pad needs to be replaced, the movable rod is retracted to the inside of the fixed rod, which facilitates the removal of the protective pad from the fixing ring and the replacement of the protective pad.

[0004] However, the installation process of the hydraulic cylinder disclosed above is complicated, the protection effect and adaptability are average, and the cylinder cannot be locked multiple times. Utility Model Content

[0005] The purpose of the utility model is to provide a hydraulic cylinder with a protective structure in order to solve the problems of the existing hydraulic cylinder, such as complicated installation process, general protection effect, general adaptability, and inability to perform multiple locking on the cylinder.

[0006] The lifting mechanism is a pair of fixedly mounted on two ends of the camming frame, and the positioning plate is connected with the mounting plate of the hydraulic cylinder to form a base, and the supporting cam is connected with the support frame of the hydraulic cylinder to form a base.

[0007] As a further solution of the present invention: a plurality of sockets are provided at the diagonal positions of the base, pins are threadedly mounted on the sockets, and handles are provided on the tops of the pins.

[0008] As a further solution of the present invention: a plurality of groups of slots are provided inside the sliding leg, positioning springs are connected inside the slots, balls are provided outside the positioning springs, and grooves that cooperate with the balls are provided on the inner wall of the sliding seat.

[0009] As a further solution of the present invention: the lower clamping plate is connected to the inner wall of the lower locking cavity through a reset spring 1, and the lower through hole is internally threaded with a first bolt, and the first bolt abuts against the lower clamping plate; the upper clamping plate is connected to the inner wall of the upper locking cavity through a reset spring 2, and the upper through hole is internally threaded with a second bolt, and the second bolt abuts against the upper clamping plate.

[0010] As a further solution of the present invention: a rubber layer is provided on the inner walls of the lower clamping plate and the upper clamping plate.

[0011] As a further solution of the present invention, symmetrical handles are provided on both sides of the lifting platform.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This utility model secures the base to the ground using pins, adjusts the height of the lifting platform through the cooperation of the sliding seat and sliding legs, and secures the upper and lower sides of the hydraulic cylinder with a dual clamping plate. This ingenious and effective design enhances the stability and practicality of the hydraulic cylinder with a protective structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of the base in the utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the upper clamping plate and the lower clamping plate in the utility model;

[0018] Figure 4 It is a cross-sectional view of the base in the utility model;

[0019] Figure 5 This is a three-dimensional structural diagram of the lifting platform in the utility model;

[0020] Figure 6 It is a sectional view of the lifting platform in the utility model.

[0021] Description of reference numerals:

[0022] 1. Hydraulic cylinder; 2. Base; 3. Mounting cavity; 4. Socket; 5. Pin; 6. Handle; 7. Lower locking cavity; 8. Lower through-hole; 9. Lower clamping plate; 10. Return spring 1; 11. First bolt; 12. Sliding seat; 13. Lifting platform; 14. Sliding leg; 15. Slot; 16. Positioning spring; 17. Ball bearing; 18. Groove; 19. Clamping cavity; 20. Handle; 21. Upper locking cavity; 22. Upper through-hole; 23. Upper clamping plate; 24. Return spring 2; 25. Second bolt; 26. Rubber layer. DETAILED DESCRIPTION

[0023] The following will be combined with the Figures 1 to 6 The technical solution of the present invention is clearly and completely described. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides a hydraulic cylinder with a protective structure through improvement. Figures 1-6As shown, it includes a hydraulic cylinder 1 and a base 2, a mounting cavity 3 cooperating with the hydraulic cylinder 1 is opened in the middle of the base 2, a plurality of sliding seats 12 are fixedly provided on the top of the base 2, a lifting platform 13 is slidably provided on the top of the sliding seat 12, and a plurality of sliding legs 14 cooperating with the sliding seat 12 are fixedly provided at the bottom of the lifting platform 13; two groups of symmetrical lower locking cavities 7 are opened inside the base 2, the inner side of the lower locking cavity 7 is communicated with the mounting cavity 3, a lower through hole 8 is opened on the inner wall of the lower locking cavity 7, and a lower clamping plate 9 cooperating with the hydraulic cylinder 1 is movably connected in the lower locking cavity 7; a through clamping cavity 19 is opened in the middle of the lifting platform 13, two groups of symmetrical upper locking cavities 21 are opened inside the lifting platform 13, the inner side of the upper locking cavity 21 is communicated with the clamping cavity 19, a through upper through hole 22 is opened on the inner wall of the upper locking cavity 21, and an upper clamping plate 23 cooperating with the hydraulic cylinder 1 is movably connected in the upper locking cavity 21.

[0025] The utility model secures the base 2 to the ground using the pins 5, adjusts the height of the lifting platform 13 through the cooperation of the sliding seat 12 and the sliding legs 14, and secures the hydraulic cylinder 1 at both the top and bottom using the upper clamping plate 23 and the lower clamping plate 9. This ingenious and effective design enhances the stability and practicality of the hydraulic cylinder with a protective structure.

[0026] See attached Figure 1 -Attached Figure 2 , multiple groups of sockets 4 are set at the diagonal positions of the base 2, and pins 5 are threadedly installed on the sockets 4, and a handle 6 is set on the top of the pins 5.

[0027] In this embodiment, in order to position and fix the base 2 to a desired position, a pin 5 structure is designed.

[0028] See attached Figure 2 and attached Figure 5 The interior of the sliding leg 14 is provided with multiple groups of slots 15, a positioning spring 16 is connected to the slot 15, a ball 17 is provided on the outside of the positioning spring 16, and a groove 18 that cooperates with the ball 17 is provided on the inner wall of the sliding seat 12.

[0029] In this embodiment, when adjusting the position of the lifting platform 13, in order to further improve the stability and position it, a structure of balls 17 and grooves 18 that cooperate with each other is designed.

[0030] See attached Figure 3 -Attached Figure 6 The lower clamping plate 9 is connected to the inner wall of the lower locking cavity 7 through a return spring 10, and the lower through hole 8 is internally threadedly connected to a first bolt 11, and the first bolt 11 abuts against the lower clamping plate 9; the upper clamping plate 23 is connected to the inner wall of the upper locking cavity 21 through a return spring 24, and the upper through hole 22 is internally threadedly connected to a second bolt 25, and the second bolt 25 abuts against the upper clamping plate 23.

[0031] In this embodiment, when the first bolt 11 is tightened inward, it compresses the lower clamping plate 9, thereby locking the bottom of the hydraulic cylinder 1. When the second bolt 25 is tightened inward, it compresses the upper clamping plate 23, thereby locking the top of the hydraulic cylinder 1. When the first bolt 11 is rotated outward, it disengages from the lower clamping plate 9, and the lower clamping plate 9 returns to its original position under the action of the first return spring 10. When the second bolt 25 is rotated outward, it disengages from the upper clamping plate 23, and the upper clamping plate 23 returns to its original position under the action of the second return spring 24.

[0032] See attached Figure 2 and attached Figure 5 A rubber layer 26 is provided on the inner walls of the lower clamping plate 9 and the upper clamping plate 23.

[0033] In this embodiment, in order to increase the friction force and thus improve the clamping effect, a rubber layer 26 is designed.

[0034] See attached Figure 5 -Attached Figure 6 Symmetrical handles 20 are also provided on both sides of the lifting platform 13.

[0035] In this embodiment, in order to facilitate the adjustment of the height of the lifting platform 13 and thus the height of the upper clamping plate 23 , a handle 20 structure is designed.

[0036] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one 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 limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and inventive features disclosed herein.

Claims

1. A hydraulic cylinder with a protective structure, characterized in that: The invention comprises a hydraulic cylinder (1) and a base (2), wherein a mounting cavity (3) cooperating with the hydraulic cylinder (1) is provided in the middle of the base (2), a plurality of sliding seats (12) are fixedly provided on the top of the base (2), a lifting platform (13) is slidably provided on the top of the sliding seat (12), and a plurality of sliding legs (14) cooperating with the sliding seat (12) are fixedly provided on the bottom of the lifting platform (13); two groups of symmetrical lower locking cavities (7) are provided inside the base (2), the inner side of the lower locking cavity (7) is communicated with the mounting cavity (3), and the lower locking cavity (7) is provided with a plurality of sliding legs (14) cooperating with the sliding seat (12). A through lower hole (8) is provided on the inner wall, and a lower clamping plate (9) cooperating with the hydraulic cylinder (1) is movably connected in the lower locking cavity (7); a through clamping cavity (19) is provided in the middle of the lifting platform (13), and two groups of symmetrical upper locking cavities (21) are provided inside the lifting platform (13), the inner side of the upper locking cavity (21) is connected to the clamping cavity (19), and a through upper hole (22) is provided on the inner wall of the upper locking cavity (21), and an upper clamping plate (23) cooperating with the hydraulic cylinder (1) is movably connected in the upper locking cavity (21).

2. The hydraulic cylinder with a protective structure according to claim 1, characterized in that: A plurality of sockets (4) are provided at diagonal positions of the base (2), and pins (5) are threadedly mounted on the sockets (4), and a handle (6) is provided on the top of the pins (5).

3. The hydraulic cylinder with a protective structure according to claim 1, characterized in that: The interior of the sliding leg (14) is provided with a plurality of slots (15), the slots (15) are connected with positioning springs (16), the exterior of the positioning springs (16) is provided with balls (17), and the inner wall of the sliding seat (12) is provided with grooves (18) that cooperate with the balls (17).

4. The hydraulic cylinder with a protective structure according to any one of claims 1 to 3, characterized in that: The lower clamping plate (9) is connected to the inner wall of the lower locking cavity (7) through a return spring (10), and the lower through hole (8) is internally threadedly connected to a first bolt (11), and the first bolt (11) abuts against the lower clamping plate (9); the upper clamping plate (23) is connected to the inner wall of the upper locking cavity (21) through a return spring (24), and the upper through hole (22) is internally threadedly connected to a second bolt (25), and the second bolt (25) abuts against the upper clamping plate (23).

5. The hydraulic cylinder with a protective structure according to claim 4, characterized in that: A rubber layer (26) is provided on the inner walls of the lower clamping plate (9) and the upper clamping plate (23).

6. The hydraulic cylinder with a protective structure according to claim 1, characterized in that: Symmetrical handles (20) are also provided on both sides of the lifting platform (13).

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