Sealing type hydraulic oil cylinder

Abstract

The utility model provides a sealing type hydraulic oil cylinder, which relates to the technical field of hydraulic oil cylinders and comprises a carrier, a connecting plate is fixedly connected to one side of the inside of the carrier, a gasket is fixedly connected to the middle of one side of the connecting plate, a buffer spring is fixedly connected to one side of the surface of the gasket, and a limiting block is fixedly connected to one end of the buffer spring. Through cooperation of a soft cushion, a buffer shaft, a connecting plate, a buffer spring, a limiting block and a gasket, the buffer shaft and the buffer spring can be connected together through a connecting piece, and through cooperation of use of a damper, the buffer spring and the damper jointly achieve the efficient damping effect through the synergistic effect of energy absorption, conversion and dissipation; the situation that the piston is damaged and raw materials leak due to the fact that vibration generated by collision between the piston and a carrier is too large is avoided, then under the effect of a gasket, a buffer spring is connected more stably, and the impact force of the piston rod is conveniently received through a soft cushion and a limiting block.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinders, in particular to a sealed hydraulic cylinder. Background Technique

[0002] A sealed hydraulic cylinder is a device designed to prevent internal hydraulic oil from leaking into the external environment. It plays an important role in many industrial applications. Through a precise sealing system (including main sealing rings, guide rings, dust rings, etc.), it ensures that hydraulic oil does not leak from the gaps of the cylinder under high-pressure working conditions, maintaining the stability of the system oil and the cleanliness of the environment. Good sealing performance helps to maintain the pressure stability inside the hydraulic system, which is crucial for precisely controlling the force and speed of the actuator. Especially in applications that require high-precision control, reducing the leakage of hydraulic oil can not only improve the system efficiency, reduce oil consumption and maintenance costs, but also avoid the slip hazards, environmental pollution, and corrosion of surrounding components caused by oil leakage.

[0003] However, under the action of the existing sealed hydraulic cylinder, during the long-term working process of the piston, the piston is prone to collide with the carrier, resulting in wear of the piston, thereby affecting the sealing effect of the hydraulic cylinder. Therefore, a new type of sealed hydraulic cylinder needs to be proposed. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the above-mentioned problem that during the long-term working process of the piston, the piston is prone to collide with the carrier, resulting in wear of the piston, thereby affecting the sealing effect of the hydraulic cylinder, and to propose a sealed hydraulic cylinder.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A sealed hydraulic cylinder includes a carrier. One side inside the carrier is fixedly connected with a connecting plate. In the middle of one side of the connecting plate is fixedly connected with a gasket. On one side of the surface of the gasket is fixedly connected with a buffer spring. One end of the buffer spring is fixedly connected with a limit block. Dampers are arranged at both ends of the buffer spring. On one side of the limit block is provided with a soft pad. On the other side of the limit block are provided with multiple buffer shafts. One ends of the multiple buffer shafts are connected to one side of the connecting plate. The inner peripheral side walls of the carrier are all chrome-plated.

[0006] Preferably, one end of the carrier is fixedly connected with a dust-proof plate, and a piston rod is inserted through one end of the dust-proof plate.

[0007] Preferably, the piston rod is arranged inside the carrier, and one end of the piston rod is fixedly connected with a piston.

[0008] Preferably, the piston and the limit block are symmetrical to each other, and protective pads are arranged on the upper and lower surfaces of the carrier.

[0009] Preferably, a groove is formed on one surface of the carrier, a frame is fixedly connected inside the groove, and a sealing cover is hinged on the surface of the frame.

[0010] Preferably, a rubber sealing ring is arranged at the junction of the frame and the carrier, and the piston is slidably connected inside the carrier.

[0011] Preferably, a cross plate is fixedly connected to the top end inside the carrier, and a cleaning pad is fixedly connected to the top end of the cross plate.

[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.

[0013] 1. In the present utility model, through the cooperation of the soft pad, buffer shaft, connecting plate, buffer spring, limiting block and gasket, the connecting piece can connect the buffer shaft and the buffer spring together, and with the use of damping, the buffer spring and the damper jointly achieve an efficient damping effect through the synergistic action of absorbing, converting and dissipating energy, avoiding excessive vibration caused by the collision between the piston and the carrier, which may lead to damage of the piston and leakage of the raw material. Then, under the action of the gasket, the buffer spring is more firmly connected, and the soft pad and the limiting block are used to conveniently receive the impact force of the piston rod.

[0014] 2. In the present utility model, through the cooperation of the sealing cover, frame and rubber sealing ring, the rubber sealing ring can improve the sealing effect between the carrier and the frame. Then, the sealing cover is opened from the surface of the frame, which is convenient for replacing the piston when it is damaged without disassembling the equipment, reducing the replacement time and saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic cross-sectional structure view of a sealed hydraulic cylinder proposed by the present utility model;

[0016] Figure 2 is a schematic side view structure view of a sealed hydraulic cylinder proposed by the present utility model;

[0017] Figure 3 is a schematic three-dimensional structure view of a sealed hydraulic cylinder proposed by the present utility model;

[0018] Figure 4 is a schematic partial structure view of a sealed hydraulic cylinder proposed by the present utility model.

[0019] Legend: 1. Carrier; 2. Protection pad; 3. Sealing cover; 4. Frame; 5. Piston rod; 6. Dust-proof plate; 7. Piston; 8. Soft pad; 9. Buffer shaft; 10. Connecting plate; 11. Buffer spring; 12. Limit block; 13. Horizontal plate; 14. Cleaning pad; 15. Chrome plating; 16. Gasket. Detailed implementation

[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0021] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention may be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0022] Embodiment 1: As Figures 1-4 shown, the present invention provides a technical solution: a sealed hydraulic cylinder, including a carrier 1, a connecting plate 10 is fixedly connected to one side inside the carrier 1, a gasket 16 is fixedly connected to the middle of one side of the connecting plate 10, a buffer spring 11 is fixedly connected to one side of the surface of the gasket 16, a limit block 12 is fixedly connected to one end of the buffer spring 11, dampers are arranged at both ends of the buffer spring 11, a soft pad 8 is arranged on one side of the limit block 12, multiple buffer shafts 9 are arranged on the other side of the limit block 12, one end of the multiple buffer shafts 9 is connected to one side of the connecting plate 10, and chrome plating 15 is arranged on the inner peripheral wall of the carrier 1.

[0023] In this embodiment, the connection operation of subsequent equipment is facilitated by setting the carrier 1. Then, under the action of the connecting plate 10, the buffer spring 11 and the buffer shaft 9 can be connected together. The use of the gasket 16 makes the connection of the buffer spring 11 more stable. Under the action of the limit block 12, the buffer spring 11 and the buffer shaft 9 can be prevented from shifting during use, which affects the subsequent use effect. Then, the soft pad 8 can collide with the piston rod 5. Under the cooperation of the buffer spring 11 and the damper, through the synergistic effect of the buffer spring 11 and the damper absorbing, converting and dissipating energy, an efficient shock absorption effect is jointly achieved, avoiding excessive vibration generated by the collision between the piston and the carrier, resulting in damage to the piston and leakage of raw materials. Under the action of the buffer shaft 9, the subsequent equipment runs more stably. The use of chrome plating 15 can improve the wear resistance of the carrier 1, thereby improving the service life of the overall equipment.

[0024] Embodiment 2: As Figures 1-4As shown in the figure, one end of the carrier 1 is fixedly connected with a dust-proof plate 6. One end of the dust-proof plate 6 is inserted and connected with a piston rod 5. The piston rod 5 is arranged inside the carrier 1. One end of the piston rod 5 is fixedly connected with a piston 7. The piston 7 and the limit block 12 are symmetrical to each other. Protective pads 2 are arranged on the upper and lower surfaces of the carrier 1. A groove is formed on one side surface of the carrier 1. A frame 4 is fixedly connected inside the groove. A sealing cover 3 is hinged on the surface of the frame 4. A rubber sealing ring is arranged at the joint of the frame 4 and the carrier 1. The piston 7 is slidably connected inside the carrier 1. A cross plate 13 is fixedly connected to the top end inside the carrier 1. A cleaning pad 14 is fixedly connected to the top end of the cross plate 13.

[0025] In this embodiment, by setting the dust-proof plate 6, dust can be prevented from falling into the carrier 1 and affecting subsequent use. Then, with the cooperation of the piston rod 5 and the piston 7, power can be conveniently transmitted and the movement can be controlled. The frame 4 can be fixed by using the groove. Using the rubber sealing ring can improve the sealing effect between the carrier 1 and the frame 4. Then, the sealing cover 3 is opened from the surface of the frame 4, which is convenient for replacing the piston 7 when it is damaged without disassembling the equipment, reducing the replacement time, saving time and effort. Finally, the cross plate 13 can be used to fix the cleaning pad 14 inside the carrier 1 and slidably connected with the piston rod 5. Using the cleaning pad 14 is convenient for cleaning the piston rod 5 to prevent the piston rod 5 from getting too dirty during long-term use and affecting the subsequent use effect.

[0026] Working principle of this embodiment: During use, the provided carrier 1 facilitates the connection operation of subsequent devices. Then, under the action of the connecting plate 10, the buffer spring 11 and the buffer shaft 9 can be connected together. The gasket 16 is used to make the connection of the buffer spring 11 more stable. Under the action of the limit block 12, the buffer spring 11 and the buffer shaft 9 can be prevented from shifting during use, which may affect the subsequent use effect. Then, the soft pad 8 can collide with the piston rod 5. With the cooperation of the buffer spring 11 and the combined damper, the buffer spring 11 and the damper jointly achieve an efficient shock absorption effect through the synergistic action of absorbing, converting, and dissipating energy, avoiding excessive vibration generated by the collision between the piston and the carrier, which may cause damage to the piston and lead to leakage of raw materials. Under the action of the buffer shaft 9, the subsequent devices operate more stably. Using chromium plating 15 can improve the wear resistance of the carrier 1, thereby increasing the service life of the overall device. The dust-proof plate 6 is used to prevent dust from falling into the interior of the carrier 1, which may affect subsequent use. Then, with the cooperation of the piston rod 5 and the piston 7, it is convenient to transmit power and control movement. The groove can be used to fix the frame 4. The rubber sealing ring can improve the sealing effect between the carrier 1 and the frame 4. Then, the sealing cover 3 is opened from the surface of the frame 4, which is convenient for replacing the piston 7 when it is damaged without disassembling the device, reducing the replacement time, saving time and effort. Finally, the cross plate 13 can fix the cleaning pad 14 inside the carrier 1 and is slidably connected to the piston rod 5. The cleaning pad 14 is used to clean the piston rod 5 to prevent the piston rod 5 from getting too dirty during long-term use, which may affect the subsequent use effect.

[0027] The above are only the preferred embodiments of the present invention and do not limit the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A sealed hydraulic cylinder, characterized in that: The invention comprises a carrier (1), wherein one side of the interior of the carrier (1) is fastened to a connecting plate (10), a gasket (16) is fastened to the middle of one side of the connecting plate (10), a buffer spring (11) is fastened to one side of the surface of the gasket (16), one end of the buffer spring (11) is fastened to a limit block (12), dampers are arranged at both ends of the buffer spring (11), a soft pad (8) is arranged on one side of the limit block (12), a plurality of buffer shafts (9) are arranged on the other side of the limit block (12), one end of the plurality of buffer shafts (9) is connected to one side of the connecting plate (10), and the inner peripheral wall of the interior of the carrier (1) is provided with chrome plating (15).

2. The sealed hydraulic cylinder according to claim 1, characterized in that: One end of the carrier (1) is fixedly connected to a dustproof plate (6), and one end of the dustproof plate (6) is insertedly connected to a piston rod (5).

3. The sealed hydraulic cylinder according to claim 2, characterized in that: The piston rod (5) is arranged inside the carrier (1), and one end of the piston rod (5) is fixedly connected to the piston (7).

4. The sealed hydraulic cylinder according to claim 3, characterized in that: The piston (7) and the limit block (12) are symmetrical to each other, and protective pads (2) are provided on the upper and lower surfaces of the carrier (1).

5. The sealed hydraulic cylinder according to claim 4, characterized in that: A groove is provided on one side surface of the carrier (1), a frame (4) is fastened to the inside of the groove, and a sealing cover (3) is connected to the surface of the frame (4).

6. The sealed hydraulic cylinder according to claim 5, characterized in that: A rubber sealing ring is provided at the junction of the frame (4) and the carrier (1), and the piston (7) is slidably connected inside the carrier (1).

7. The sealed hydraulic cylinder according to claim 4, characterized in that: The inner top end of the carrier (1) is fastened with a transverse plate (13), and the top end of the transverse plate (13) is fastened with a cleaning pad (14).

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