Split type detachable oil cylinder

Abstract

The utility model relates to the technical field of oil cylinders, and discloses a split type detachable oil cylinder which comprises a cylinder barrel, a cylinder bottom is arranged at the bottom of the cylinder barrel, the upper portion of the cylinder bottom is fixedly connected with a blocking block, the blocking block is connected into the cylinder barrel in a sliding mode, an inserting ring is arranged outside the blocking block, a sealing groove is formed in the bottom side of the interior of the cylinder barrel, and the sealing ring is arranged in the sealing groove. And the inserting ring is slidably connected to the interior of the sealing groove, rotating blocks are arranged on the periphery of the lower side of the outer portion of the cylinder barrel, connecting rods are fixedly connected to the corresponding sides of the rotating blocks, springs are arranged on the outer portions of the connecting rods, and movable round pieces are fixedly connected to the corresponding ends of the connecting rods. According to the oil cylinder, oil liquid leakage and power overflow are prevented, the influence on normal use of the oil cylinder is avoided, the cylinder bottom is quickly and conveniently disassembled and assembled, the cylinder bottom is disassembled and assembled without cutting and welding, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to a split-type detachable oil cylinder. Background Art

[0002] The split removable cylinder is a uniquely designed hydraulic component commonly used in industrial machinery and equipment. It consists of two parts: the cylinder barrel and the piston rod. This design allows users to more easily maintain and replace cylinder parts without disassembling the entire machine or equipment.

[0003] The cylinder bottom and the cylinder barrel of the existing oil cylinder are welded and fixed. Although the connection strength is large and the sealing is good, it is the preferred connection method between the cylinder bottom and the cylinder barrel. However, when the cylinder bottom needs to be disassembled, it is necessary to cut to separate the cylinder bottom and the cylinder barrel. When it needs to be reinstalled, it is necessary to weld it again using a welding device, which is cumbersome to operate. Therefore, technical personnel in this field provide a split detachable oil cylinder to solve the problems raised in the above background technology. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a split detachable oil cylinder, which aims to improve the problem in the prior art that when the bottom of the oil cylinder needs to be disassembled, cutting is required to separate the cylinder bottom and the cylinder barrel, and when it needs to be reinstalled, welding is required by a welding device, which is a cumbersome operation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a split-type detachable oil cylinder comprises a cylinder barrel, a cylinder bottom is arranged at the bottom of the cylinder barrel, a block is fixedly connected to the upper part of the cylinder bottom, the block is slidably connected to the inside of the cylinder barrel, an insert ring is arranged on the outside of the block, a sealing groove is arranged on the inner bottom side of the cylinder barrel, the insert ring is slidably connected to the inside of the sealing groove, rotating blocks are arranged around the outer lower side of the cylinder barrel, the corresponding side of the rotating block is fixedly connected to a connecting rod, a spring is arranged on the outside of the connecting rod, a corresponding end of the connecting rod is fixedly connected to a moving disc, the corresponding side of the moving disc is fixedly connected to a screw, the screw is threadedly connected to the inside of the cylinder barrel, and locking components are fixedly connected to the left and right sides of the cylinder bottom.

[0006] As a further description of the above technical solution:

[0007] The locking assembly includes a lower locking ear and an upper locking ear, the lower locking ear is fixedly connected to the left and right sides of the cylinder bottom, the upper locking ear is fixedly connected to the left and right sides of the outer lower side of the cylinder barrel, and the internal threads of the lower locking ear and the upper locking ear are connected with bolts.

[0008] As a further description of the above technical solution:

[0009] A piston rod 1 is slidably connected to the interior of the cylinder barrel, a guide sleeve 1 is fixedly connected to the upper side of the piston rod 1, a piston rod sealing ring is arranged inside the guide sleeve 1, a guide sleeve sealing ring is arranged on the upper part of the piston rod sealing ring, and a cylinder cover is arranged on the upper part of the cylinder barrel.

[0010] As a further description of the above technical solution:

[0011] The bottom of the piston rod one is fixedly connected with a piston one.

[0012] As a further description of the above technical solution:

[0013] A through hole is provided on the front inner side of the cylinder, and the movable disc is slidably connected inside the through hole.

[0014] As a further description of the above technical solution:

[0015] The upper and lower sides of the outer right side of the cylinder are fixedly connected with oil inlets.

[0016] As a further description of the above technical solution:

[0017] The piston 1 and the guide sleeve 1 are both slidably connected inside the cylinder.

[0018] As a further description of the above technical solution:

[0019] One end of the spring is fixedly connected to one side of the moving disc, and the other end of the spring is fixedly connected to the inner wall of the through hole.

[0020] The utility model has the following beneficial effects:

[0021] In the utility model, the piston rod is extended and retracted in a straight line through the piston, the piston rod sealing ring is arranged to prevent oil leakage, and the guide sleeve sealing ring prevents power overflow, thereby preventing oil leakage and power overflow and avoiding affecting the normal use of the oil cylinder.

[0022] In the utility model, the bolt is rotated to separate the upper locking ear and the lower locking ear, and the screw rod is separated from the cylinder barrel through the cooperation of the rotating block, the connecting rod and the movable disc, so that the cylinder bottom can be quickly and conveniently disassembled and assembled, and there is no need to cut and weld to disassemble and install it, thereby improving the replacement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a split-type detachable oil cylinder proposed by the utility model;

[0024] Figure 2 A cross-sectional view of a split-type detachable oil cylinder proposed by the utility model;

[0025] Figure 3 for Figure 2 Enlarged view of point A.

[0026] Legend:

[0027] 1. Piston rod 1; 2. Oil inlet; 3. Cylinder barrel; 4. Bolt; 5. Lower locking ear; 6. Upper locking ear; 7. Rotating block; 8. Cylinder bottom; 9. Cylinder head; 10. Piston 1; 11. Guide sleeve 1; 12. Piston rod seal ring; 13. Guide sleeve seal ring; 14. Block; 15. Spring; 16. Connecting rod; 17. Through hole; 18. Moving disc; 19. Insert ring; 20. Sealing groove; 21. Screw. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-Figure 3 The utility model provides an embodiment: a split detachable oil cylinder, including a cylinder barrel 3, a cylinder bottom 8 is arranged at the bottom of the cylinder barrel 3, a block 14 is fixedly connected to the upper part of the cylinder bottom 8, the block 14 is slidably connected to the inside of the cylinder barrel 3, an insert ring 19 is arranged on the outside of the block 14, a sealing groove 20 is opened on the inner bottom side of the cylinder barrel 3, the insert ring 19 is slidably connected to the inside of the sealing groove 20, a rotating block 7 is arranged around the outer lower side of the cylinder barrel 3, and a connecting rod 16 is fixedly connected to the corresponding side of the rotating block 7, and the connecting rod A spring 15 is arranged outside the connecting rod 16, a corresponding end of the connecting rod 16 is fixedly connected to a moving disc 18, a corresponding side of the moving disc 18 is fixedly connected to a screw 21, the screw 21 is threadedly connected to the inside of the cylinder 3, the left and right sides of the cylinder bottom 8 are fixedly connected to locking components, a through hole 17 is opened on the front side of the inside of the cylinder 3, the moving disc 18 is slidably connected to the inside of the through hole 17, one end of the spring 15 is fixedly connected to one side of the moving disc 18, and the other end of the spring 15 is fixedly connected to the inner wall of the through hole 17;

[0030] The locking assembly includes a lower locking ear 5 and an upper locking ear 6. The lower locking ear 5 is fixedly connected to the left and right sides of the cylinder bottom 8, and the upper locking ear 6 is fixedly connected to the left and right sides of the outer lower side of the cylinder 3. The internal threads of the lower locking ear 5 and the upper locking ear 6 are connected with bolts 4.

[0031] By rotating the bolt 4 to separate it from the upper locking ear 6 and the lower locking ear 5, the rotating block 7 is rotated so that the connecting rod 16 drives the movable disc 18 to move, and at the same time, the spring 15 is pulled to move the screw 21 to separate from the cylinder 3, and the cylinder bottom 8 is pulled to drive the blocking block 14 and the insert ring 19 to move, so that the insert ring 19 is moved out of the sealing groove 20, and the blocking block 14 is moved out of the cylinder 3, the cylinder 3 or the piston rod 1 can be replaced, so that the cylinder bottom 8 can be quickly and conveniently disassembled and assembled, and there is no need to cut and weld to disassemble and install it, thereby improving the replacement efficiency.

[0032] Reference Figure 1-Figure 2 The inside of the cylinder 3 is slidably connected with a piston rod 1, the upper side of the piston rod 1 is fixedly connected with a guide sleeve 11, the inside of the guide sleeve 11 is provided with a piston rod sealing ring 12, the upper part of the piston rod sealing ring 12 is provided with a guide sleeve sealing ring 13, and the upper part of the cylinder 3 is provided with a cylinder cover 9; the bottom of the piston rod 1 is fixedly connected with a piston 10, and the piston 10 and the guide sleeve 11 are both slidably connected to the inside of the cylinder 3; the upper and lower right sides of the outside of the cylinder 3 are fixedly connected with an oil inlet 2.

[0033] The oil enters the interior of the cylinder 3 through the oil inlet 2, and the piston 10 is pushed to push the piston rod 1 to perform linear expansion and contraction, so that the guide sleeve 11 is tightly attached to the top of the cylinder 3, and the piston rod sealing ring 12 seals the piston rod 1 to prevent oil leakage, and the guide sleeve sealing ring 13 seals the guide sleeve 11 to prevent power overflow, and it is further sealed and protected by the cylinder head 9, which prevents oil leakage and power overflow and avoids affecting the normal use of the cylinder.

[0034] Working principle: when the oil cylinder needs to be used, the oil enters the interior of the cylinder 3 through the oil inlet 2, so that the piston rod 1 is pushed by the piston 10, so that the piston rod 1 is linearly extended and retracted, and the guide sleeve 11 is close to the top of the cylinder 3. The piston rod sealing ring 12 is provided to prevent oil leakage, and the guide sleeve sealing ring 13 prevents power overflow, thereby preventing oil leakage and power overflow, and avoiding affecting the normal use of the oil cylinder; by rotating the bolt 4 to separate it from the upper locking ear 6 and the lower locking ear 5, and rotating the rotating block 7 to drive the screw 21 to separate from the cylinder 3 through the connecting rod 16 and the moving disc 18, the cylinder bottom 8 is pulled so that the cylinder 3 or the piston rod 1 can be replaced, thereby realizing quick and convenient disassembly and assembly of the cylinder bottom 8, and there is no need to cut and weld it for disassembly and installation, thereby improving the replacement efficiency.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A split-type detachable oil cylinder, comprising a cylinder barrel (3), characterized in that: A cylinder bottom (8) is provided at the bottom of the cylinder barrel (3), a block (14) is fixedly connected to the upper part of the cylinder bottom (8), the block (14) is slidably connected to the inside of the cylinder barrel (3), an insert ring (19) is provided on the outside of the block (14), a sealing groove (20) is provided on the inner bottom side of the cylinder barrel (3), the insert ring (19) is slidably connected to the inside of the sealing groove (20), rotating blocks (7) are provided around the lower side of the outside of the cylinder barrel (3), the corresponding side of the rotating block (7) is fixedly connected to a connecting rod (16), the outside of the connecting rod (16) is provided with a spring (15), the corresponding end of the connecting rod (16) is fixedly connected to a moving disc (18), the corresponding side of the moving disc (18) is fixedly connected to a screw (21), the screw (21) is threadedly connected to the inside of the cylinder barrel (3), and the left and right sides of the cylinder bottom (8) are fixedly connected to locking components.

2. A split type detachable oil cylinder according to claim 1, characterized in that: The locking assembly comprises a lower locking ear (5) and an upper locking ear (6), wherein the lower locking ear (5) is fixedly connected to the left and right sides of the cylinder bottom (8), and the upper locking ear (6) is fixedly connected to the left and right sides of the outer lower side of the cylinder barrel (3), and the inner threads of the lower locking ear (5) and the upper locking ear (6) are connected with bolts (4).

3. The split-type detachable oil cylinder according to claim 1, characterized in that: A piston rod (1) is slidably connected to the interior of the cylinder barrel (3); a guide sleeve (11) is fixedly connected to the upper side of the piston rod (1); a piston rod sealing ring (12) is arranged inside the guide sleeve (11); a guide sleeve sealing ring (13) is arranged on the upper part of the piston rod sealing ring (12); and a cylinder cover (9) is arranged on the upper part of the cylinder barrel (3).

4. The split-type detachable oil cylinder according to claim 3 is characterized in that: The bottom of the piston rod one (1) is fixedly connected to a piston one (10).

5. The split-type detachable oil cylinder according to claim 1, characterized in that: A through hole (17) is provided on the front inner side of the cylinder (3), and the movable disc (18) is slidably connected inside the through hole (17).

6. The split-type detachable oil cylinder according to claim 1, characterized in that: The outer right side of the cylinder barrel (3) is fixedly connected with oil inlets (2) at the upper and lower sides.

7. The split-type detachable oil cylinder according to claim 4, characterized in that: The piston 1 (10) and the guide sleeve 1 (11) are both slidably connected inside the cylinder (3).

8. The split-type detachable oil cylinder according to claim 5, characterized in that: One end of the spring (15) is fixedly connected to one side of the moving disc (18), and the other end of the spring (15) is fixedly connected to the inner wall of the through hole (17).

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