Adjustable oil cylinder

Abstract

The utility model relates to the technical field of oil cylinders, and discloses an adjustable oil cylinder which comprises an oil rod piston rod and an oil cylinder body, an adjusting device is installed at the outward end of the oil cylinder body, the oil rod piston rod is installed on the surface of the inner wall of the oil cylinder body, and the adjusting device comprises an inserting rod, an adjusting metal plate and a connecting assembly. The inserting rod is inserted into the outward end of the adjusting metal plate, and the connecting assembly is in threaded connection with the middle position of the adjusting metal plate. According to the adjustable oil cylinder, the inserting block, the connecting sliding plate and the oil cylinder body are arranged, and the connecting block is in threaded connection with the connecting sliding plate, so that the connecting sliding plate can be conveniently separated from the oil cylinder body, the connecting sliding plate is rapidly and conveniently replaced, a large amount of time is not needed, the service time of the device can be prolonged, and the working time of workers is shortened; and the locking bolt rotates in the middle of the limiting cover plate, so that the connecting sliding plate and the adjusting metal plate can be in threaded connection, and the position of the connecting piece can be determined.

Description

Technical Field

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

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has a simple structure and reliable operation. When used to achieve reciprocating motion, it can eliminate the need for a speed reduction device, and there is no transmission gap and the motion is stable. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] The prior art discloses an adjustable oil cylinder with the application number: CN201620183437.8, which includes an adjustment knob, a fixed seat, an oil inlet block, an oil cylinder body, a piston rod, a rotating nut, a rotating block and a piston. The piston is placed inside one end of the oil cylinder body, and the piston rod is movably sleeved inside the other end of the oil cylinder body; one end of the piston is externally connected to the rotating nut through a threaded sleeve, the rotating nut is fixedly connected to the rotating block, the rotating block is fixedly connected to the adjustment knob, and the rotating block can be rotatably positioned inside one port of the oil cylinder body at the same time; the fixed seat is sleeved outside the rotating block and fixedly connected to the oil cylinder body; one end of the piston rod has a cavity, and the other end passes through the cavity, and the oil inlet and outlet ports are arranged on the oil inlet block and communicate with the cavity of the piston rod respectively. This adjustable oil cylinder drives the piston to move inside the oil cylinder body through the adjustment knob and is positioned through the adjustment nut. Thus, the relative position adjustment of the piston can be conveniently realized. It not only has a simple structure, but also is easy to operate, reduces the production cost of enterprises, and improves production efficiency.

[0004] The above fixed seat is sleeved outside the rotating block and fixedly connected to the oil cylinder body. When the fixed seat is replaced, the oil cylinder body and the fixed seat are disassembled and replaced, making the disassembly of the fixed seat relatively troublesome and taking a lot of time. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjustable oil cylinder to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an adjustable oil cylinder, including an oil rod piston rod and an oil cylinder body, an adjustment device is installed at the outer end of the oil cylinder body, and the oil rod piston rod is installed on the inner wall surface of the oil cylinder body.

[0007] The adjustment device includes a plug rod, an adjustment metal plate and a connection component. The plug rod is inserted into the outer end of the adjustment metal plate, and the connection component is threadedly connected to the middle position of the adjustment metal plate.

[0008] Preferably, the connecting component includes a plugging block, a connecting slide plate, a plugging threaded rod, a limiting cover plate, a spiral spring, a locking bolt and a connecting piece. The connecting piece is fixedly connected to the bottom surface of the connecting slide plate. The plugging block is threadedly connected to the outer end of the connecting slide plate. The plugging threaded rod is plugged into the outer end of the connecting slide plate. The limiting cover plate is threadedly connected to the outer end of the plugging block. The locking bolt is threadedly connected to the middle position of the limiting cover plate. The connecting slide plate is fixedly connected to the outer side surface of the spiral spring.

[0009] Preferably, the locking bolt is threadedly connected to the top surface of the adjusting metal plate. The limiting cover plate is slidably connected to the surface of the adjusting metal plate. The locking bolt is threadedly connected to the top surface of the adjusting metal plate, and the position of the limiting cover plate can be adjusted.

[0010] Preferably, the plugging block is slidably connected to the outer end of the oil cylinder body. The connecting slide plate is slidably connected to the upper end of the oil cylinder body. The plugging block and the connecting slide plate slide at the outer end of the oil cylinder body, and the position of the connecting slide plate can be adjusted.

[0011] Preferably, the number of the adjusting metal plates is two. The two adjusting metal plates are distributed front and back. The adjusting metal plate is threadedly connected to the bottom surface of the oil cylinder body. The adjusting metal plate is threadedly connected to the top surface of the oil cylinder body, and the positions of the two adjusting metal plates can be adjusted, which is convenient for disassembling the adjusting metal plates.

[0012] Preferably, the number of the plugging rods is four. Two of the plugging rods are in a group. The two groups of plugging rods are distributed in an operating manner. The two plugging rods on the same side are distributed front and back.

[0013] Preferably, the plugging rods are plugged into the outer end of the oil cylinder body. The plugging rods and the adjusting metal plate are threadedly connected, so that the position of the adjusting metal plate can be determined, and the oil rod piston rod can be disassembled and replaced.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] 1. For this adjustable oil cylinder, by providing a plugging block, a connecting slide plate and an oil cylinder body, the connecting block and the connecting slide plate are threadedly connected, which is convenient for the connecting slide plate to be separated from the oil cylinder body, making the replacement of the connecting slide plate fast and convenient, without taking a lot of time, which can increase the service life of the device and shorten the working time of the staff.

[0016] 2. For this adjustable oil cylinder, by providing a locking bolt, a limiting cover plate and an adjusting metal plate, the locking bolt rotates at the middle position of the limiting cover plate, so that the connecting slide plate and the adjusting metal plate can be threadedly connected, the position of the connecting piece can be determined, and the installation position of the oil cylinder body can be adjusted, which can increase the service life of the device. Brief Description of the Drawings

[0017] Figure 1 This is the overall three-dimensional schematic diagram of the present utility model;

[0018] Figure 2 This is the present utility model Figure 1 The partial enlarged schematic diagram of the structure at position A in it;

[0019] Figure 3 This is the three-dimensional schematic diagram of the adjusting device of the present utility model;

[0020] Figure 4 This is the present utility model Figure 3 The partial enlarged schematic diagram of the structure at position B in it.

[0021] In the figure: 1. Adjusting device; 11. Inserting rod; 12. Adjusting metal plate; 13. Connecting component; 131. Inserting block; 132. Connecting slide plate; 133. Inserting threaded rod; 134. Limiting cover plate; 135. Helical spring; 136. Locking bolt; 137. Connecting piece; 2. Oil rod piston rod; 3. Oil cylinder block. Detailed Description of the Preferred Embodiment

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-4 , the present utility model provides the following technical solutions:

[0024] An adjustable oil cylinder includes an oil rod piston rod 2 and an oil cylinder block 3. An adjusting device 1 is installed at the outer end of the oil cylinder block 3, and the oil rod piston rod 2 is installed on the inner wall surface of the oil cylinder block 3.

[0025] The adjusting device 1 includes a plugging rod 11, an adjusting metal plate 12 and a connecting component 13. The plugging rod 11 is plugged into the outer end of the adjusting metal plate 12. The number of the adjusting metal plates 12 is two, and the two adjusting metal plates 12 are distributed front and back. The adjusting metal plate 12 is threadedly connected to the bottom surface of the oil cylinder body 3. The adjusting metal plate 12 can be threadedly connected to the top surface of the oil cylinder body 3. The positions of the two adjusting metal plates 12 can be adjusted, which is convenient for disassembling the adjusting metal plate 12. The number of the plugging rods 11 is four. Two plugging rods 11 are in a group, and the two groups of plugging rods 11 are distributed in an operating manner. The two plugging rods 11 on the same side are distributed front and back. The connecting component 13 is threadedly connected to the middle position of the adjusting metal plate 12. The plugging rod 11 is plugged into the outer end of the oil cylinder body 3, and the plugging rod 11 and the adjusting metal plate 12 are threadedly connected, so that the position of the adjusting metal plate 12 can be determined, and thus the oil rod piston rod 2 can be disassembled and replaced.

[0026] The connecting component 13 includes a plugging block 131, a connecting slide plate 132, a plugging threaded rod 133, a limiting cover plate 134, a spiral spring 135, a locking bolt 136 and a connecting piece 137. The connecting piece 137 is fixedly connected to the bottom surface of the connecting slide plate 132. The plugging block 131 is threadedly connected to the outer end of the connecting slide plate 132. The plugging block 131 is slidably connected to the outer end of the oil cylinder body 3. The connecting slide plate 132 is slidably connected to the upper end of the oil cylinder body 3. The plugging block 131 and the connecting slide plate 132 can slide at the outer end of the oil cylinder body 3, and the position of the connecting slide plate 132 can be adjusted. The plugging threaded rod 133 is plugged into the outer end of the connecting slide plate 132. The limiting cover plate 134 is threadedly connected to the outer end of the plugging block 131. The locking bolt 136 is threadedly connected to the middle position of the limiting cover plate 134. The locking bolt 136 is threadedly connected to the top surface of the adjusting metal plate 12. The limiting cover plate 134 is slidably connected to the surface of the adjusting metal plate 12. The locking bolt 136 is threadedly connected to the top surface of the adjusting metal plate 12, and the position of the limiting cover plate 134 can be adjusted. The connecting slide plate 132 is fixedly connected to the outer side surface of the spiral spring 135.

[0027] When in use, push the connecting slide plate 132 downward to make the connecting slide plate 132 movably connected to the upper end of the oil cylinder body 3, and the position of the connecting slide plate 132 can be initially determined.

[0028] Push the plugging block 131 upward. The plugging block 131 is plugged into the outer end of the connecting slide plate 132, and the plugging block 131 is plugged into the inside of the connecting slide plate 132, so that the plugging block 131 and the connecting slide plate 132 can be initially connected.

[0029] Push the limit cover plate 134 downward so that the bottom surface of the limit cover plate 134 is connected to the top surface of the connecting slide plate 132. At the same time, the limit cover plate 134 slides on the threaded end surface of the plug-in block 131, so that the limit cover plate 134 is movably connected to the surface of the adjusting metal plate 12.

[0030] Rotate the nut, and the nut rotates on the threaded rod surface of the plug-in block 131, so that the limit cover plate 134, the connecting slide plate 132 and the plug-in block 131 can be threadedly fixed.

[0031] A spiral spring 135 is inserted between the connecting slide plates 132, so that the position of the spiral spring 135 can be determined. Push the plug-in threaded rod 133 downward so that the plug-in threaded rod 133 is inserted into the outer end of the connecting slide plate 132. Then rotate the nut, and the nut rotates on the threaded end surface of the plug-in threaded rod 133, so that the two connecting slide plates 132 can be threadedly fixed.

[0032] Rotate the locking bolt 136, and the locking bolt 136 rotates in the middle of the limit cover plate 134, so that the adjusting metal plate 12 and the limit cover plate 134 can be threadedly fixed, and the position of the connecting slide plate 132 can be determined.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable oil cylinder, comprising an oil rod piston rod (2) and an oil cylinder body (3), characterized in that: An adjusting device (1) is installed at the outward end of the oil cylinder body (3), and the oil rod piston rod (2) is installed on the inner wall surface of the oil cylinder body (3); The adjusting device (1) comprises a plug-in rod (11), an adjusting metal plate (12) and a connecting assembly (13); the plug-in rod (11) is plugged into an outward end of the adjusting metal plate (12); and the connecting assembly (13) is threadedly connected to a middle position of the adjusting metal plate (12).

2. The adjustable oil cylinder according to claim 1, characterized in that: The connecting assembly (13) comprises a plug-in block (131), a connecting slide (132), a plug-in threaded rod (133), a limiting cover plate (134), a coil spring (135), a locking bolt (136) and a connecting piece (137); the connecting piece (137) is fixedly connected to the bottom surface of the connecting slide plate (132); the plug-in block (131) is threadedly connected to the outward end of the connecting slide plate (132); the plug-in threaded rod (133) is plugged into the outward end of the connecting slide plate (132); the limiting cover plate (134) is threadedly connected to the outward end of the plug-in block (131); the locking bolt (136) is threadedly connected to the middle position of the limiting cover plate (134); and the connecting slide plate (132) is fixedly connected to the outward side surface of the coil spring (135).

3. The adjustable oil cylinder according to claim 2, characterized in that: The locking bolt (136) is threadedly connected to the top surface of the adjusting metal plate (12), and the limiting cover plate (134) is slidably connected to the surface of the adjusting metal plate (12).

4. The adjustable oil cylinder according to claim 3, characterized in that: The plug-in block (131) is slidably connected to the outward end of the oil cylinder body (3), and the connecting slide plate (132) is slidably connected to the upward end of the oil cylinder body (3).

5. The adjustable oil cylinder according to claim 4, characterized in that: The number of the adjusting metal plates (12) is two, and the two adjusting metal plates (12) are distributed front and back, and the adjusting metal plates (12) are threadedly connected to the bottom end surface of the oil cylinder body (3).

6. The adjustable oil cylinder according to claim 5, characterized in that: The number of the plug-in rods (11) is four, two of the plug-in rods (11) form a group, the two groups of plug-in rods (11) are distributed in operation, and the two plug-in rods (11) on the same side are distributed front and back.

7. The adjustable oil cylinder according to claim 6, characterized in that: The plug-in rod (11) is plugged into the outward end of the oil cylinder body (3).

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