Piston device with nut front positioning function

Abstract

The utility model relates to the field of piston devices, in particular to a piston device with a nut front positioning function, which comprises a rectangular positioning plate, a sliding sleeve is fixedly connected onto the positioning plate, one side of the positioning plate is slidably connected with a first connecting plate, and one end of the first connecting plate is fixedly connected with a first piston sleeve. During use, the first piston sleeve and the second piston sleeve can be detached by detaching the first fixing bolt from the first fixing screw hole to separate the first connecting plate and the second connecting plate from the positioning plate and detaching the second fixing bolt from the second fixing screw hole to separate the first fixing plate from the second fixing plate; according to the utility model, the piston device is fixed through the bolt, the structure is simple, the time spent on disassembly is shorter, and the disassembly is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of piston devices, in particular to a piston device with nut front positioning. Background Art

[0002] The piston device is a mechanism that reciprocates in the oil cylinder. When working, the piston moves back and forth inside the oil cylinder by controlling the input or output of oil, thereby realizing various functions of the oil cylinder.

[0003] When installing the piston device, it is often positioned and installed by a nut. This installation method can achieve precise control of the piston device and improve the stability of the piston device. However, the existing piston device is an integral whole. When the piston device fails and the internal part of the piston device needs to be repaired, it is not convenient to disassemble, and it takes a long time and is relatively inconvenient. Therefore, a piston device with a nut front positioning is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings that the existing piston device is an integral whole, when the piston device fails, it is difficult to disassemble and takes a long time and is inconvenient to repair the inside of the piston device, and a piston device with a nut front positioning is proposed.

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

[0006] A piston device with nut front positioning comprises a rectangular positioning plate, the positioning plate is fixedly connected with a sliding sleeve, one side of the positioning plate is slidably connected with a first connecting plate, one side of the first connecting plate is fixedly connected with a first piston sleeve, one side of the first connecting plate is slidably connected with a second connecting plate, one side of the second connecting plate is slidably connected with the second piston sleeve, one side of the positioning plate is slidably connected to the second connecting plate, one side of the first connecting plate and the first piston sleeve is provided with a rectangular groove, one side of the second connecting plate and the second piston sleeve is fixedly connected with a rectangular plate, the rectangular plate is slidably connected to the rectangular groove, the positioning plate, the first connecting plate and the second connecting plate are provided with a first fixing screw hole, the first fixing screw hole is bolted with a first fixing bolt, one side of the first piston sleeve is fixedly connected with the first fixing plate, one side of the second piston sleeve is fixedly connected with the second fixing plate, the first fixing plate and the second fixing plate are both provided with a second fixing screw hole, the second fixing screw hole is threadedly connected with a second fixing bolt, and both sides of the positioning plate are fixedly connected with mounting plates, and the mounting plates are provided with mounting screw holes.

[0007] Preferably, the inner walls of the first piston sleeve and the second piston sleeve are fixedly connected to a limiting block, and a limiting groove is provided on one side of the limiting block.

[0008] Preferably, a piston rod is installed on the inner top of the first piston sleeve and the second piston sleeve, and a limiting plate is fixedly connected to the piston rod, and a sliding block is fixedly connected to the piston rod, and the sliding block is slidably connected to the inner wall of the first piston sleeve and the second piston sleeve, and a buffer spring is fixedly connected to one side of the positioning plate, and one end of the buffer spring is fixedly connected to the sliding block.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. When the device is in use, the first connecting plate, the second connecting plate and the positioning plate can be separated by removing the first fixing bolt from the first fixing screw hole, and the first fixing plate and the second fixing plate can be separated by removing the second fixing bolt from the second fixing screw hole. The first piston sleeve and the second piston sleeve can be disassembled to inspect the inside of the piston device. The utility model fixes the piston device by bolts, has a simple structure, and takes a short time to disassemble, which is more convenient.

[0011] 2. When the device is in use, the buffer spring fixedly connected to the sliding block can buffer the piston rod when the piston device is running, thereby reducing damage to the piston rod and effectively extending the service life of the piston device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a piston device with nut front positioning proposed by the utility model;

[0013] Figure 2 This is a cross-sectional three-dimensional structural schematic diagram of a piston device with nut front positioning proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of a rectangular groove three-dimensional structure of a piston device with nut front positioning proposed by the utility model;

[0015] Figure 4 The utility model is a rectangular plate stereoscopic structure schematic diagram of a piston device with nut front positioning.

[0016] In the figure: 1. positioning plate; 2. sliding sleeve; 3. first connecting plate; 4. first piston sleeve; 5. second connecting plate; 6. second piston sleeve; 7. rectangular groove; 8. rectangular plate; 9. limit block; 10. limit groove; 11. piston rod; 12. limit plate; 13. sliding block; 14. buffer spring; 15. first fixing screw hole; 16. first fixing bolt; 17. first fixing plate; 18. second fixing screw hole; 19. mounting plate; 20. mounting screw hole. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0018] Reference Figure 1-Figure 4 A piston device with nut front positioning includes a rectangular positioning plate 1, a sliding sleeve 2 is fixedly connected to the positioning plate 1, a first connecting plate 3 is slidably connected to one side of the positioning plate 1, and a first piston sleeve 4 is fixedly connected to one side of the first connecting plate 3.

[0019] Furthermore, one side of the first connecting plate 3 is slidably connected to the second connecting plate 5 , one side of the second connecting plate 5 is slidably connected to the second piston sleeve 6 , and one side of the positioning plate 1 is slidably connected to the second connecting plate 5 .

[0020] The positioning plate 1 is separated from the first connecting plate 3 and the second connecting plate 5, and then the first piston sleeve 4 and the second piston sleeve 6 are separated, so as to facilitate the inspection and maintenance of the interior of the piston device.

[0021] Furthermore, a rectangular groove 7 is formed on one side of the first connecting plate 3 and the first piston sleeve 4 , and a rectangular plate 8 is fixedly connected to one side of the second connecting plate 5 and the second piston sleeve 6 , and the rectangular plate 8 is slidably connected to the rectangular groove 7 .

[0022] Among them, through the sliding connection between the rectangular plate 8 and the rectangular groove 7, it is convenient to buckle the first piston sleeve 4 and the second piston sleeve 6 together, and it is convenient to fix them by bolts.

[0023] Furthermore, the inner walls of the first piston sleeve 4 and the second piston sleeve 6 are fixedly connected to a limiting block 9 , and a limiting groove 10 is provided on one side of the limiting block 9 .

[0024] The limiting groove 10 and the limiting plate 12 limit the piston rod 11 to prevent the second fixing bolt from loosening due to vibration during the operation of the piston device, thereby improving the stability of the operation of the piston device.

[0025] Furthermore, a piston rod 11 is installed on the inner top of the first piston sleeve 4 and the second piston sleeve 6, and a limiting plate 12 is fixedly connected to the piston rod 11. A sliding block 13 is fixedly connected to the piston rod 11, and the sliding block 13 is slidably connected to the inner walls of the first piston sleeve 4 and the second piston sleeve 6. A buffer spring 14 is fixedly connected to one side of the positioning plate 1, and one end of the buffer spring 14 is fixedly connected to the sliding block 13.

[0026] The buffer spring 14 fixedly connected to the sliding block 13 can buffer the piston rod 11 when the piston device is running, thereby reducing damage to the piston rod 11 and effectively extending the service life of the piston device.

[0027] Furthermore, a first fixing screw hole 15 is provided on the positioning plate 1, the first connecting plate 3 and the second connecting plate 5, and a first fixing bolt 16 is bolted in the first fixing screw hole 15, a first fixing plate 17 is fixedly connected to one side of the first piston sleeve 4, and a second fixing plate is fixedly connected to one side of the second piston sleeve 6, and second fixing screw holes 18 are provided on the first fixing plate 17 and the second fixing plate, and a second fixing bolt is threadedly connected in the second fixing screw hole 18, and mounting plates 19 are fixedly connected to both sides of the positioning plate 1, and mounting screw holes 20 are provided on the mounting plates 19.

[0028] Among them, by removing the first fixing bolt 16 from the first fixing screw hole 15, the first connecting plate 3, the second connecting plate 5 and the positioning plate 1 are separated, and then by removing the second fixing bolt from the second fixing screw hole 18, the first fixing plate 17 and the second fixing plate are separated, and the first piston sleeve 4 and the second piston sleeve 6 can be disassembled to inspect the interior of the piston device. The disassembly takes a short time and is relatively convenient.

[0029] The working principle of this utility model:

[0030] By removing the bolts in the mounting screw holes 20 on the mounting plate 19, the piston device is removed, and then the first fixing bolts 16 are removed from the first fixing screw holes 15, and the first connecting plate 3 and the second connecting plate 5 are separated from the positioning plate 1, and then the second fixing bolts are removed from the second fixing screw holes 18, and the first fixing plate 17 and the second fixing plate are separated, and the rectangular plate 8 is taken out from the rectangular groove 7, and the first piston sleeve 4 and the second piston sleeve 6 can be disassembled, and the interior of the piston device can be inspected. The utility model fixes the piston device by bolts, has a simple structure, and takes a short time to disassemble, which is more convenient.

[0031] The buffer spring 14 fixedly connected to the sliding block 13 can buffer the piston rod 11 when the piston device is running, thereby reducing damage to the piston rod 11 and effectively extending the service life of the piston device.

[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.

Claims

1. A piston device with nut front positioning, comprising a rectangular positioning plate (1), characterized in that: The positioning plate (1) is fixedly connected to a sliding sleeve (2); one side of the positioning plate (1) is slidably connected to a first connecting plate (3); one side of the first connecting plate (3) is fixedly connected to a first piston sleeve (4); one side of the first connecting plate (3) is slidably connected to a second connecting plate (5); one side of the second connecting plate (5) is slidably connected to a second piston sleeve (6); one side of the positioning plate (1) is slidably connected to the second connecting plate (5); one side of the first connecting plate (3) and the first piston sleeve (4) is provided with a rectangular groove (7); one side of the second connecting plate (5) and the second piston sleeve (6) is fixedly connected to a rectangular plate (8); the rectangular plate (8) and the rectangular groove ( 7) are slidably connected, the positioning plate (1), the first connecting plate (3) and the second connecting plate (5) are provided with a first fixing screw hole (15), the first fixing screw hole (15) is bolted with a first fixing bolt (16), one side of the first piston sleeve (4) is fixedly connected with a first fixing plate (17), one side of the second piston sleeve (6) is fixedly connected with a second fixing plate, the first fixing plate (17) and the second fixing plate are both provided with a second fixing screw hole (18), the second fixing screw hole (18) is threadedly connected with a second fixing bolt, the two sides of the positioning plate (1) are fixedly connected with mounting plates (19), and the mounting plates (19) are provided with mounting screw holes (20).

2. A piston device with nut front positioning according to claim 1, characterized in that: The inner walls of the first piston sleeve (4) and the second piston sleeve (6) are fixedly connected to a limiting block (9), and a limiting groove (10) is provided on one side of the limiting block (9).

3. A piston device with nut front positioning according to claim 1, characterized in that: A piston rod (11) is installed on the inner top of the first piston sleeve (4) and the second piston sleeve (6), and a limiting plate (12) is fixedly connected to the piston rod (11). A sliding block (13) is fixedly connected to the piston rod (11), and the sliding block (13) is slidably connected to the inner wall of the first piston sleeve (4) and the second piston sleeve (6). A buffer spring (14) is fixedly connected to one side of the positioning plate (1), and one end of the buffer spring (14) is fixedly connected to the sliding block (13).

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