AWC hydraulic cylinder

Abstract

The utility model relates to the technical field of hydraulic cylinders, and discloses an AWC hydraulic cylinder which comprises a hydraulic cylinder body, the hydraulic cylinder body comprises a cylinder body and a quick connection oil pipe mechanism, the quick connection oil pipe mechanism comprises two sets of mounting seats, the outer surfaces of the bottom ends of the mounting seats are communicated with the interior of the cylinder body, and a replacement mechanism is arranged between the two sets of mounting seats. The replacing mechanism comprises a threaded head, the outer surface of one end of the threaded head is connected to the outer surface of the hydraulic cylinder body in a threaded mode, the hydraulic cylinder body further comprises a base, and the outer surface of one end of the base is fixedly connected to the outer surface of one end of the cylinder body. The threaded block is aligned to the position of the mounting base and is screwed down, the sealing ring is tightly attached to the upper end of the mounting base, the oil conveying pipe and the mounting base are sealed, mounting can be completed, time and labor are saved in the operation process, equipment oil pipes can be conveniently and rapidly connected, and convenience of equipment is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders; specifically, it is an AWC hydraulic cylinder. Background Art

[0002] The AWC hydraulic cylinder is a hydraulic actuator used in various machinery and equipment, mainly used to provide power, and can control movement and apply pressure. The hydraulic cylinder usually consists of a cylinder body, a piston, a piston rod, seals, end caps, etc. They can be designed as single-acting or double-acting according to needs. By sending hydraulic oil into the cylinder body through the oil inlet, the piston is pushed, and the movement of the piston ultimately drives the connected mechanical part to complete the corresponding work.

[0003] Chinese Patent Publication No. CN218817334U provides a top head structure of an AWC servo hydraulic cylinder, including a cushion block, a pressing ring, and a top block. The cushion block is fixedly connected to the piston rod of the hydraulic cylinder. The top block is detachably connected to the pressing ring through bolts. The inner diameter of the pressing ring is larger than the diameter of the cushion block, and the diameter of the cushion block is larger than the diameter of the piston rod. The pressing ring is installed on the outside of the cushion block. The end face of the cushion block adjacent to the top block is a spherical surface, and a groove matching the spherical surface is opened on the end face of the top block adjacent to the cushion block; an annular boss is fixedly provided on the inner side of the end of the pressing ring away from the top block, and the diameter of the annular boss is larger than the diameter of the piston rod and smaller than the diameter of the cushion block. The beneficial effects of the utility model are as follows: During the process of the piston rod of the AWC servo hydraulic cylinder extending and the top block pressing against the roll, if the cylinder head is eccentrically loaded, the top block will rotate to a certain extent along the spherical surface of the cushion block to offset this part of the eccentric load force, thereby reducing the seal damage and piston rod scratching caused by the eccentric load, and thus reducing the maintenance cost of the AWC servo hydraulic cylinder.

[0004] However, when this utility model is actually used, the following problems exist:

[0005] 1. Most of the existing AWC hydraulic cylinders do not have quick-connect interfaces. During the actual use process, when installing the oil pipe, workers may need to use specific instruments for assembly. The operation process is time-consuming and laborious, and it is not convenient to quickly connect the equipment oil pipe, which affects the convenience of the equipment to a certain extent.

[0006] 2. Most of the existing AWC hydraulic cylinders do not have a replacement structure. During the actual operation process, when the top head of the equipment continuously bears high-intensity pressure, the top head may be damaged, and it is not convenient to replace the top head separately, which reduces the convenience of the equipment to a certain extent. Summary of the Utility Model

[0007] In order to overcome the above-mentioned defects of the prior art, the utility model provides an AWC hydraulic cylinder to solve the problems existing in the above background art.

[0008] The present utility model provides the following technical solution: An AWC hydraulic cylinder, comprising:

[0009] A hydraulic cylinder main body, the hydraulic cylinder main body including a cylinder body;

[0010] A quick-connect oil pipe mechanism, the quick-connect oil pipe mechanism including a mounting seat, and the outer surface of the bottom end of the mounting seat being communicated with the inside of the cylinder body, and there being two groups of mounting seats;

[0011] A replacement mechanism, the replacement mechanism including a threaded head, and the outer surface of one end of the threaded head being threadedly connected to the outer surface of the hydraulic cylinder main body.

[0012] Preferably, the hydraulic cylinder main body further includes a base, and the outer surface of one end of the base being fixedly connected to the outer surface of one end of the cylinder body, the base being used for connecting to an instrument.

[0013] Preferably, a piston rod is inserted into the inside of the outer surface of the other end of the cylinder body, and the outer surface of one end of the threaded head is threadedly connected to the outer surface of the other end of the piston rod, and the piston rod can perform linear telescoping inside the cylinder body.

[0014] Preferably, the quick-connect oil pipe mechanism further includes a threaded block, and the inner surface of the bottom end of the threaded block is threadedly connected to the outer surface of the upper end of the mounting seat, and a collar is fixedly connected to the outer surface of the upper end of the threaded block, the mounting seat communicating with the inside of the cylinder body, so that hydraulic oil is conveyed into the cylinder body through the quick-connect oil pipe mechanism.

[0015] Preferably, an oil delivery pipe is inserted into the inside of the collar, and a limiting ring is arranged on the outer surface of the lower end of the oil delivery pipe, and the limiting ring at the lower end of the oil delivery pipe is engaged with the inner surface of the threaded block, and the limiting ring on the oil delivery pipe can prevent the threaded block and the collar from separating from its outer surface.

[0016] Preferably, a sealing ring is fixedly connected to the outer surface of the lower end of the oil delivery pipe, and the outer surface of the lower end of the sealing ring is attached to the outer surface of the upper end of the mounting seat, and the sealing ring can prevent hydraulic oil from leaking out from the interface.

[0017] Preferably, the replacement mechanism further includes a piston top head, and the outer surface of one end of the piston top head is fixedly connected to the outer surface of the other end of the threaded head, and the piston top head will bear a large pressure, so it may often need to be replaced.

[0018] Preferably, a threaded hole is opened in the inside of the outer surface of one end of the piston rod, and a fixing bolt is threadedly connected to the inside of the threaded hole, and the outer surface of the fixing bolt is inserted into the inside of the outer surface of the threaded head, and passing the fixing bolt through the inside of the threaded head can prevent the piston top head from rotating.

[0019] The technical effects and advantages of the present utility model:

[0020] 1. The utility model installs the quick-connect oil pipe mechanism. During actual use, align the threaded block with the mounting seat and rotate it tightly. The sealing ring closely adheres to the upper end of the mounting seat, so that the oil pipe and the mounting seat are sealed, and the installation is completed. The operation process is time-saving and labor-saving, which is convenient for quickly connecting the equipment oil pipe and improves the convenience of the equipment to a certain extent.

[0021] 2. The utility model installs the replacement mechanism. During actual operation, when the piston top of the equipment is damaged due to continuous high-intensity pressure, rotate and remove the fixing bolt, and then rotate and remove the threaded head. Then, rotate the new threaded head to the appropriate position, and finally tighten the fixing bolt to complete the replacement, which is convenient for separately replacing the piston top and improves the convenience of the equipment to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structure schematic diagram of the utility model.

[0023] Figure 2 is an exploded three-dimensional structure schematic diagram of the utility model.

[0024] Figure 3 is a three-dimensional structure schematic diagram of the hydraulic cylinder body of the utility model.

[0025] Figure 4 is an exploded three-dimensional structure schematic diagram of the quick-connect oil pipe mechanism of the utility model.

[0026] Figure 5 is an exploded three-dimensional structure schematic diagram of the replacement mechanism of the utility model.

[0027] The reference numerals are: 1, hydraulic cylinder body; 11, cylinder block; 12, base; 13, piston rod; 2, quick-connect oil pipe mechanism; 21, mounting seat; 22, threaded block; 23, collar; 24, oil pipe; 25, sealing ring; 3, replacement mechanism; 31, threaded head; 32, piston top; 33, threaded hole; 34, fixing bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] Next, the technical solutions in the utility model will be clearly and completely described in conjunction with the drawings in the utility model. In addition, the forms of the various structures described in the following embodiments are only examples, and an AWC hydraulic cylinder related to the utility model is not limited to the various structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the utility model.

[0029] Embodiment 1

[0030] As Figures 1 to 4As shown in the figure, the present utility model proposes an AWC hydraulic cylinder, which includes a hydraulic cylinder body 1. The hydraulic cylinder body 1 includes a cylinder block 11. The hydraulic cylinder body 1 also includes a base 12, and the outer surface of one end of the base 12 is fixedly connected to the outer surface of one end of the cylinder block 11. A piston rod 13 is inserted into the inner part of the outer surface of the other end of the cylinder block 11, and the outer surface of one end of a threaded head 31 is threadedly connected to the outer surface of the other end of the piston rod 13. The piston rod 13 is made of medium carbon steel. The strength and hardness of medium carbon steel are significantly higher than those of low carbon steel, but it still maintains good toughness and plasticity. Medium carbon steel has good heat treatment performance and can adjust its hardness and strength through methods such as quenching and tempering. In applications such as hydraulic cylinders, medium carbon steel is often selected as the material for key components such as connecting rods and cylinder barrels due to its good mechanical properties and moderate cost. The piston rod 13 can perform linear motion through the hydraulic oil inside the cylinder block 11;

[0031] A quick-connect oil pipe mechanism 2, the quick-connect oil pipe mechanism 2 includes a mounting seat 21, and the outer surface of the bottom end of the mounting seat 21 communicates with the inside of the cylinder block 11, and there are two groups of the mounting seats 21. The quick-connect oil pipe mechanism 2 also includes a threaded block 22, and the inner surface of the bottom end of the threaded block 22 is threadedly connected to the outer surface of the upper end of the mounting seat 21, and a collar 23 is fixedly connected to the outer surface of the upper end of the threaded block 22. By connecting the mounting seat 21, it can communicate with the inside of the cylinder block 11, and by rotating the threaded block 22 and the collar 23, the oil delivery pipe 24 can be closely attached to the upper surface of the mounting seat 21, thereby achieving a sealed connection;

[0032] An oil delivery pipe 24 is inserted into the collar 23, and a limit ring is provided on the outer surface of the lower end of the oil delivery pipe 24, and the limit ring at the lower end of the oil delivery pipe 24 is engaged with the inner surface of the threaded block 22. A sealing ring 25 is fixedly connected to the outer surface of the lower end of the oil delivery pipe 24, and the outer surface of the lower end of the sealing ring 25 is attached to the outer surface of the upper end of the mounting seat 21. The limit ring on the oil delivery pipe 24 can prevent the oil delivery pipe 24 from detaching from the inside of the threaded block 22. When the threaded block 22 and the mounting seat 21 are tightened, the lower surface of the sealing ring 25 is closely attached to the upper surface of the mounting seat 21, thereby sealing and connecting the quick-connect oil pipe mechanism 2.

[0033] Embodiment 2

[0034] As Figure 1 and Figure 5 shown, this embodiment also proposes:

[0035] Replacement mechanism 3, the replacement mechanism 3 includes a threaded head 31, and the outer surface of one end of the threaded head 31 is threadedly connected to the outer surface of the hydraulic cylinder body 1. The replacement mechanism 3 further includes a piston head 32, and the outer surface of one end of the piston head 32 is fixedly connected to the outer surface of the other end of the threaded head 31. The piston head 32 is made of alloy steel. Alloy steel refers to steel with a certain amount of alloying elements added to improve its mechanical properties and corrosion resistance. Alloy steel usually has relatively high strength and toughness, can effectively withstand high loads, and can significantly improve wear resistance through the addition of alloying elements. It is suitable for manufacturing parts that require high wear resistance. Due to its superior performance, alloy steel is increasingly used in various industries. It is very important to select the appropriate alloy composition and type to meet specific usage requirements. By connecting the threaded head 31 with the piston rod 13, the piston head 32 is thus connected;

[0036] A threaded hole 33 is provided inside the outer surface of one end of the piston rod 13, and a fixing bolt 34 is threadedly connected inside the threaded hole 33. The outer surface of the fixing bolt 34 is inserted into the inside of the outer surface of the threaded head 31. When the threaded head 31 is rotated to a suitable position inside the piston rod 13, the fixing bolt 34 can be rotated through the inside of the threaded head 31 and tightened, and then the replacement mechanism 3 can be connected.

[0037] Working principle: First, during installation, first align the threaded block 22 with the mounting seat 21 and rotate it tightly. The sealing ring 25 is in close contact with the upper end of the mounting seat 21, so that the oil delivery pipe 24 and the mounting seat 21 are sealed, and the quick-connect oil pipe mechanism 2 can be installed. When the piston head 32 of the equipment is damaged, first rotate and unscrew the fixing bolt 34, and then rotate and unscrew the threaded head 31. Then, a new threaded head 31 can be rotated to a suitable position, and finally, the fixing bolt 34 is tightened to complete the replacement. The above is the entire working principle of the present utility model.

[0038] Finally, several points should be noted: First, in the description of the present application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. It can be a mechanical connection or an electrical connection, or it can be the communication inside two components. It can be directly connected. "Up", "down", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the described object changes, the relative position relationship may change;

[0039] Secondly: In the attached drawings of the disclosed embodiments of the present utility model, only the structures related to the disclosed embodiments of the present disclosure are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0040] Finally: The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An AWC hydraulic cylinder, characterized in that, Comprising: A hydraulic cylinder main body (1), the hydraulic cylinder main body (1) including a cylinder block (11); A quick-connect oil pipe mechanism (2), the quick-connect oil pipe mechanism (2) including a mounting seat (21), and the outer surface at the bottom end of the mounting seat (21) being communicated with the inside of the cylinder block (11), and there being two groups of the mounting seats (21). The quick-connect oil pipe mechanism (2) further includes a threaded block (22), and the inner surface of the bottom end of the threaded block (22) being threadedly connected to the outer surface of the upper end of the mounting seat (21), and a collar (23) being fixedly connected to the outer surface of the upper end of the threaded block (22). An oil delivery pipe (24) is inserted into the inside of the collar (23), and a limiting ring is provided on the outer surface of the lower end of the oil delivery pipe (24), and the limiting ring at the lower end of the oil delivery pipe (24) is engaged with the inner surface of the threaded block (22). A sealing ring (25) is fixedly connected to the outer surface of the lower end of the oil delivery pipe (24), and the outer surface of the lower end of the sealing ring (25) is fitted to the outer surface of the upper end of the mounting seat (21); A replacement mechanism (3), the replacement mechanism (3) including a threaded head (31), and the outer surface of one end of the threaded head (31) being threadedly connected to the outer surface of the hydraulic cylinder main body (1). The replacement mechanism (3) further includes a piston top head (32), and the outer surface of one end of the piston top head (32) being fixedly connected to the outer surface of the other end of the threaded head (31).

2. The AWC hydraulic cylinder according to claim 1, wherein: The hydraulic cylinder main body (1) further includes a base (12), and the outer surface of one end of the base (12) being fixedly connected to the outer surface of one end of the cylinder block (11).

3. An AWC hydraulic cylinder according to claim 1, characterized in that: A piston rod (13) is inserted into the inside of the outer surface of the other end of the cylinder block (11), and the outer surface of one end of the threaded head (31) is threadedly connected to the outer surface of the other end of the piston rod (13).

4. An AWC hydraulic cylinder according to claim 3, characterized in that: A threaded hole (33) is opened in the inside of the outer surface of one end of the piston rod (13), and a fixing bolt (34) is threadedly connected to the inside of the threaded hole (33), and the outer surface of the fixing bolt (34) is inserted into the inside of the outer surface of the threaded head (31).

Images