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CN-224214478-U - Oil cylinder with extendable piston rod

CN224214478UCN 224214478 UCN224214478 UCN 224214478UCN-224214478-U

Abstract

The utility model belongs to the technical field of oil cylinders, and provides an oil cylinder with an extendable piston rod, which comprises an oil cylinder main body and an extension mechanism, wherein the extension mechanism comprises a plurality of first springs, a plurality of limiting blocks, two control rings, an extension rod and a plurality of fixing blocks, the inner wall of the oil cylinder main body is provided with a mounting groove, the inner wall of the mounting groove is provided with a sliding groove, the inner wall of the mounting groove is provided with a fixing groove, the inner wall of the sliding groove is provided with a connecting hole, the outer wall of the oil cylinder main body is provided with a limiting groove, the plurality of first springs are respectively arranged in the corresponding connecting holes, the limiting blocks are respectively arranged on the outer wall of the corresponding sliding groove, and the two control rings are respectively arranged on the inner wall of the corresponding limiting groove. When the utility model is used for power transmission of mechanical equipment, the length of the piston rod of the oil cylinder main body can be adjusted, so that the oil cylinder main body can adapt to different use environments, and the working efficiency of the mechanical equipment is improved.

Inventors

  • WANG HONGYI
  • LIU JUNFENG
  • WANG YUNLONG

Assignees

  • 威海凯特液压技术有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. An oil cylinder with an extendable piston rod is characterized by comprising an oil cylinder main body (1) and an extension mechanism (2), wherein, The extension mechanism (2) comprises a plurality of first springs (26), a plurality of limiting blocks (27), two control rings (28), an extension rod (29) and a plurality of fixed blocks (210), wherein, An installation groove (21) is formed in the inner wall of the oil cylinder main body (1); the inner wall of the mounting groove (21) is provided with a sliding groove (22) and a fixing groove (23) respectively; a limit groove (25) is formed in the outer wall of the oil cylinder main body (1); A connecting hole (24) is formed in the inner wall of the sliding groove (22), and the connecting hole (24) penetrates through the limit groove (25); The first springs (26) are respectively arranged in the corresponding connecting holes (24), the limiting blocks (27) are respectively connected with the other ends of the corresponding first springs (26), and the limiting blocks (27) are slidably connected with the sliding grooves (22); the control ring (28) is arranged on the outer wall of the limiting block (27); The extension rod (29) is arranged in the mounting groove (21); the fixing blocks (210) are respectively arranged on the outer wall of the extension rod (29).
  2. 2. An extendable piston cylinder according to claim 1, wherein the cylinder body (1) comprises a housing (11), a piston rod (12) and a mounting block (13), wherein, The piston rod (12) is installed in the shell (11), and the installation block (13) is arranged at the other end of the piston rod (12).
  3. 3. An extendable piston cylinder according to claim 2, characterized in that the outer wall of the piston rod (12) is provided with a securing mechanism (3), wherein, The fixing mechanism (3) comprises a sleeve (31), a plurality of hinges (32), a plurality of fixing shells (33), a plurality of clamping blocks (34), a plurality of clamping bolts (37), a plurality of second springs (38) and a plurality of connecting blocks (39), wherein, The sleeve (31) is sleeved outside the oil cylinder main body (1); The hinges (32) are respectively arranged at two ends of the sleeve (31); the plurality of fixed shells (33) are respectively connected with the corresponding hinges (32); the clamping blocks (34) are respectively arranged on the inner wall of the corresponding fixed shell (33); A connecting groove (35) is formed in the outer wall of the fixed shell (33); The inner wall of the connecting groove (35) is provided with a mounting hole (36); A plurality of the clips (37) are respectively installed inside the corresponding installation holes (36); The plurality of second springs (38) are respectively sleeved outside the corresponding clamping bolts (37), and the plurality of mounting holes (36) are respectively connected with the other ends of the corresponding second springs (38); A plurality of connecting blocks (39) are respectively fixed on the bottom wall of the corresponding fixed shell (33); Fixing holes (310) are respectively formed in the outer walls of the connecting blocks (39).
  4. 4. An extendable piston cylinder according to claim 1, wherein one end of the extension rod (29) is provided with a swivel assembly (4), wherein, The rotating component (4) comprises a rotating shaft (41), a fixed frame (42) and two connecting rods (43), wherein, The rotary shaft (41) is arranged at one end of the oil cylinder main body (1), and the fixed frame (42) is connected with the other end of the rotary shaft (41); The two connecting rods (43) are respectively arranged inside the fixed frame (42).
  5. 5. A cylinder with a extendable piston rod according to claim 2, characterized in that a sealing ring (5) is arranged at the connection of the housing (11) and the piston rod (12).
  6. 6. A piston rod extendable cylinder according to claim 2, characterized in that the mounting block (13) is internally provided with a spacer (6).

Description

Oil cylinder with extendable piston rod Technical Field The utility model belongs to the technical field of oil cylinders, and provides an oil cylinder with a lengthened piston rod. Background Mechanical devices are typically composed of a complex series of components, including engines, gears, bearings, and transmissions, which work cooperatively to accomplish a specific task. When the mechanical equipment is used, power is generally required to be transmitted through an oil cylinder. When carrying out power transmission to mechanical equipment through the hydro-cylinder, if the hydro-cylinder is too far away with mechanical equipment's distance, can lead to the hydro-cylinder unable to be connected with mechanical equipment to make power unable transmission give mechanical equipment, lead to mechanical equipment unable normal operating, the staff can utilize appurtenance (like the connecting pipe) to lengthen it usually, but because the distance size is not fixed, consequently be difficult for finding suitable appurtenance in the first time, thereby influence mechanical equipment's normal operating. Disclosure of Invention The utility model aims to provide an oil cylinder with an extensible piston rod, so as to solve the problems in the prior art. In order to achieve the above purpose, the utility model provides an oil cylinder with an extendable piston rod, which comprises an oil cylinder main body and an extension mechanism, wherein the extension mechanism comprises a plurality of first springs, a plurality of limiting blocks, two control rings, an extension rod and a plurality of fixing blocks, wherein the inner wall of the oil cylinder main body is provided with a mounting groove, the inner wall of the mounting groove is respectively provided with a sliding groove and a fixing groove, the outer wall of the oil cylinder main body is provided with a limiting groove, the inner wall of the sliding groove is provided with a connecting hole, the connecting hole penetrates through the limiting groove, the first springs are respectively arranged in the corresponding connecting holes, the limiting blocks are respectively connected with the other ends of the corresponding first springs, the limiting blocks are connected with the sliding grooves in a sliding manner, the control rings are arranged on the outer walls of the limiting blocks, the extension rod is arranged in the mounting groove, and the fixing blocks are respectively arranged on the outer walls of the extension rod. Specifically, the hydro-cylinder main part includes shell, piston rod and installation piece, and wherein, the piston rod is installed in the shell, and the installation piece sets up the other end at the piston rod. Specifically, the outer wall of the cylinder body is provided with a fixing mechanism, wherein, The fixed establishment includes sleeve pipe, the hinge, the fixed casing, the fixture block, a plurality of latch, a plurality of second spring and a plurality of connecting block, the fixed orifices, wherein, the outer wall at the hydro-cylinder main part is established to the sleeve pipe cover, the hinge is installed at sheathed tube outer wall, the fixed casing sets up in sheathed tube one end, and the fixed casing passes through the hinge and is connected with the sleeve pipe, the inner wall at the fixed casing is installed to the fixture block, the spread groove has been seted up to the outer wall of fixed casing, the mounting hole has been seted up to the inner wall of spread groove, a plurality of latch installs the inside at the mounting hole that corresponds respectively, a plurality of second springs overlap respectively and establish the outer wall at the latch that corresponds, a plurality of mounting holes link to each other with the other end of corresponding second spring respectively, a plurality of connecting blocks fix the diapire at the fixed casing that corresponds respectively, the fixed orifices that correspond have been seted up respectively to the outer wall of a plurality of connecting blocks. Specifically, one end of the extension rod 29 is provided with a rotating assembly, wherein the rotating assembly includes a rotating shaft, a fixed frame, and two connecting rods, wherein the rotating shaft is installed at one end of the cylinder body, and the fixed frame is connected with the other end of the rotating shaft. Specifically, a sealing ring is arranged at the joint of the shell and the piston rod. Specifically, the inside of the mounting block is provided with a spacer. Compared with the prior art, the utility model has the following beneficial effects: When the utility model is used for power transmission of mechanical equipment, the length of the piston rod of the oil cylinder main body can be adjusted, so that the oil cylinder main body can adapt to different use environments, and the working efficiency of the mechanical equipment is improved. Drawings The foregoing and/or additional aspects and ad