A hydraulic cylinder structure with stable operation

Abstract

The utility model discloses a hydraulic cylinder structure with smooth operation, which includes a first connection port, a shell assembly, a guide assembly, a stretching assembly and an optimization assembly. The shell assembly is fixedly mounted on the top of the first connection port; the guide assembly is fixedly mounted on the inner bottom of the shell assembly; the stretching assembly is movably mounted on the outer side of the guide assembly; and the optimization assembly is movably mounted on the shell assembly. The shell assembly is provided to facilitate the provision of a sealing device to provide power for the pull rod, the guide assembly is provided to solve the problem of unstable operation, the stretching assembly is provided to facilitate the transmission of the power of the hydraulic cylinder to an external device, and can provide power for the movement of the external device, and the optimization assembly can play a buffering role to solve the problems of large vibration and high noise during the operation of the hydraulic cylinder. The device as a whole can achieve the purpose of smooth operation, small vibration and low noise of the hydraulic cylinder, and can improve the operation efficiency of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic cylinder structures, in particular to a hydraulic cylinder structure with stable operation. Background Art

[0002] The 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 using it to achieve reciprocating motion, the deceleration device can be eliminated, and there is no transmission gap and the movement is smooth. Therefore, it is widely used in the hydraulic systems of various machines.

[0003] In the current field of engineering machinery, hydraulic cylinders are important actuators and are widely used in various equipment. However, traditional hydraulic cylinder structures often have problems such as unstable operation, large vibration, and high noise under long-term and high-intensity working environments. These problems not only affect the operating efficiency of the equipment, but may also cause equipment damage and increase maintenance costs. Although the existing technical solutions have alleviated these problems to a certain extent, they still have disadvantages such as complex structure and difficult maintenance. Therefore, it is necessary to develop a new type of hydraulic cylinder structure to solve the above problems. Utility Model Content

[0004] The utility model provides a hydraulic cylinder structure with stable operation, which can be provided with a housing component, a guide component, a stretching component and an optimization component. The housing component is provided to facilitate providing a sealing device to provide power for the pull rod, the guide component is provided to facilitate providing a guide effect for the extension and retraction movement of the pull rod, and is used to solve the problem of unstable operation, the stretching component is provided to facilitate transmitting the power of the hydraulic cylinder to an external device, and can provide power for the movement of the external device, and the optimization component can play a buffering role, and is used to solve the problem of large vibration and high noise during the operation of the hydraulic cylinder. The device as a whole can achieve the purpose of stable operation of the hydraulic cylinder, small vibration and low noise, and can improve the operation efficiency of the equipment.

[0005] In order to achieve the above-mentioned purpose, a hydraulic cylinder structure with smooth operation is provided. The hydraulic cylinder structure with smooth operation includes a first connection port, a shell assembly, a guide assembly, a stretching assembly and an optimization assembly. The first connection port is fixedly installed at the bottom of the hydraulic cylinder structure; the shell assembly is fixedly installed at the top of the first connection port; the guide assembly is fixedly installed at the bottom of the inner side of the shell assembly; the stretching assembly is movably installed on the outer side of the guide assembly; and the optimization assembly is movably installed on the shell assembly. The shell assembly is provided to facilitate the provision of a sealing device to provide power for the pull rod. The guide assembly is provided to facilitate the provision of a guide function for the extension and retraction movement of the pull rod, which is used to solve the problem of unstable operation. The stretching assembly is provided to facilitate the transmission of the power of the hydraulic cylinder to an external device, which can provide power for the movement of the external device. The optimization assembly can play a buffering role to solve the problems of large vibration and high noise during the operation of the hydraulic cylinder. The device as a whole can improve the operation efficiency of the equipment.

[0006] According to the hydraulic cylinder structure with stable operation, the housing assembly includes an outer shell, a ball, an oil inlet, a mounting plate and an external interface, the outer shell is located outside the hydraulic cylinder structure; the ball is evenly arranged on the inner wall of the outer shell; the oil inlet is fixedly opened on the inner wall of the outer shell; the mounting plate is movably installed at the bottom of the outer shell; the external interface is fixedly opened on the outer shell. The ball is provided to facilitate and reduce the friction during the stretching movement of the hydraulic cylinder, and the mounting plate is provided to facilitate and disassemble the hydraulic cylinder.

[0007] According to the hydraulic cylinder structure with stable operation, the guide assembly includes a guide rod and a limit plate, the guide rod is movably mounted on the mounting plate; the limit plate is fixedly mounted on the guide rod. The guide rod is provided to facilitate the smooth operation of the hydraulic cylinder.

[0008] According to the hydraulic cylinder structure with stable operation, the stretching assembly includes a pull rod, a second connection port, a cavity and a baffle, the pull rod is movably mounted on the outside of the guide assembly; the second connection port is fixedly mounted on the top of the pull rod; the cavity is fixedly opened inside the pull rod; the baffle is movably mounted on the bottom of the pull rod. The pull rod is provided to facilitate the provision of power for the movement of the external device, the cavity is provided to facilitate the cooperation with the guide rod to play a guiding role, and the baffle is provided to facilitate the disassembly of the hydraulic cylinder.

[0009] According to the hydraulic cylinder structure with stable operation, the optimization component includes a rubber pad, a first sealing ring and a second sealing ring. The rubber pad is movably mounted on the mounting plate; the first sealing ring is movably mounted on the inner wall of the shell port; and the second sealing ring is movably mounted on a port on one side of the shell. The rubber pad is provided to play a buffering role, and the first sealing ring and the second sealing ring are provided to prevent hydraulic oil from overflowing.

[0010] According to the hydraulic cylinder structure with stable operation, it is characterized in that the ball bearings are fixedly provided with a plurality of them, the oil inlets are fixedly provided with a plurality of them, the oil inlets are cross-arranged with the ball bearings, and the external interface is fixedly connected with the oil inlets. The purpose of providing a plurality of oil inlets is to facilitate the provision of sufficient hydraulic oil to the hydraulic cylinder and to provide sufficient power to the hydraulic cylinder.

[0011] According to the hydraulic cylinder structure with stable operation, the characteristics are that the cross section of the cavity is consistent with the size of the limit plate, the opening of the cavity is consistent with the cross section of the guide rod, the baffle is larger than the limit plate, the second connection port is smaller than the cross section of the pull rod, and the pull rod is longer than the shell. The second connection port smaller than the cross section of the pull rod is set so as not to affect the normal stretching work of the pull rod.

[0012] The beneficial effects of the utility model are as follows: by setting the housing component, the guide component, the stretching component and the optimization component, the housing component is set to facilitate providing a sealing device to provide power for the pull rod, the guide component is set to facilitate providing a guide for the extension and retraction movement of the pull rod, and is used to solve the problem of unstable operation, the stretching component is used to facilitate transmitting the power of the hydraulic cylinder to the external device, and can provide power for the movement of the external device, and the optimization component can play a buffering role, and is used to solve the problem of large vibration and high noise during the operation of the hydraulic cylinder. The device as a whole can achieve the purpose of stable operation of the hydraulic cylinder, small vibration and low noise, and can improve the operation efficiency of the equipment.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a cross-sectional view of the overall structure of a hydraulic cylinder structure with stable operation according to the utility model;

[0016] Figure 2 It is a cross-sectional view of a housing component of a hydraulic cylinder structure with stable operation according to the utility model;

[0017] Figure 3 It is a cross-sectional view of a guide assembly of a hydraulic cylinder structure with smooth operation according to the utility model;

[0018] Figure 4 It is a cross-sectional view of a stretching component of a hydraulic cylinder structure with stable operation according to the utility model;

[0019] Figure 5It is a cross-sectional view of an optimized component of a hydraulic cylinder structure with smooth operation according to the utility model.

[0020] Legend:

[0021] 1. First connection port; 2. Shell assembly; 201. Shell; 202. Ball; 203. Oil inlet; 204. Mounting plate; 205. External interface; 3. Guide assembly; 301. Guide rod; 302. Limiting plate; 4. Stretching assembly; 401. Pull rod; 402. Second connection port; 403. Cavity; 404. Baffle; 5. Optimization assembly; 501. Rubber pad; 502. First sealing ring; 503. Second sealing ring. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figures 1 to 5 The utility model embodiment is a hydraulic cylinder structure with smooth operation, which includes a first connecting port 1, a shell component 2, a guide component 3, a stretching component 4 and an optimization component 5. The first connecting port 1 is fixedly installed at the bottom of the hydraulic cylinder structure; the shell component 2 is fixedly installed on the top of the first connecting port 1; the guide component 3 is fixedly installed at the bottom inside the shell component 2; the stretching component 4 is movably installed on the outside of the guide component 3; the optimization component 5 is movably installed on the shell component 2, the first connecting port 1 is fixed to the shell component 2 by welding, and the optimization component 5 is glued to the shell component 2.

[0024] The shell assembly 2 includes a shell 201, a ball 202, an oil inlet 203, a mounting plate 204 and an external interface 205. The shell 201 is located outside the hydraulic cylinder structure; the balls 202 are evenly distributed on the inner wall of the shell 201; the oil inlet 203 is fixedly opened on the inner wall of the shell 201; the mounting plate 204 is movably installed at the bottom of the shell 201; the external interface 205 is fixedly opened on the shell 201, the ball 202 is connected to the shell assembly 2 through a miniature bearing, and the mounting plate 204 is connected to the shell 201 through a thread.

[0025] The guide assembly 3 includes a guide rod 301 and a limit plate 302. The guide rod 301 is movably mounted on the mounting plate 204; the limit plate 302 is fixedly mounted on the guide rod 301. The guide rod 301 and the mounting plate 204 are connected by threads, and the limit plate 302 and the guide rod 301 are fixed by welding.

[0026] The stretching component 4 includes a pull rod 401, a second connecting port 402, a cavity 403 and a baffle 404. The pull rod 401 is movably installed on the outside of the guide component 3; the second connecting port 402 is fixedly installed on the top of the pull rod 401; the cavity 403 is fixedly opened inside the pull rod 401; the baffle 404 is movably installed at the bottom of the pull rod 401, and the baffle 404 and the pull rod 401 are connected by threads.

[0027] The optimization component 5 includes a rubber pad 501, a first sealing ring 502 and a second sealing ring 503. The rubber pad 501 is movably installed on the mounting plate 204; the first sealing ring 502 is movably installed on the inner wall of the port of the outer shell 201; the second sealing ring 503 is movably installed on a port on one side of the outer shell 201, the rubber pad 501 is connected to the mounting plate 204 by glue, and the second sealing ring 503 is glued to the outer shell 201 by glue.

[0028] A plurality of balls 202 are fixedly provided, a plurality of oil inlets 203 are fixedly opened, the oil inlets 203 and the balls 202 are cross-arranged, the external interface 205 is fixedly connected to the oil inlet 203, and the external interface 205 and the oil inlet 203 are fixedly connected by welding.

[0029] The cross-section of cavity 403 is consistent with that of limit plate 302, the opening of cavity 403 is consistent with that of guide rod 301, baffle 404 is larger than limit plate 302, the second connection port 402 is smaller than the cross-section of pull rod 401, pull rod 401 is longer than housing 201, and second connection port 402 is fixed to pull rod 401 by welding.

[0030] Working principle: Before using the hydraulic cylinder, fix the rubber pad 501 to the mounting plate 204, then put the baffle 404 on the guide rod 301, fix the baffle 404 to the pull rod 401, stick the first sealing ring 502 and the second sealing ring 503 to the outer shell 201, then put the pull rod 401 assembly into the outer shell 201, pass one end of the guide rod 301 through the outer shell 201, fix the guide rod 301 to the mounting plate 204 by threads, then fix the mounting plate 204 to the outer shell 201, connect the external interface 205 to the external oil pump, turn on the external oil pump and it can be used.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hydraulic cylinder structure with stable operation, characterized in that: include: A first connection port (1), a housing component (2), a guide component (3), a stretching component (4) and an optimization component (5), wherein the first connection port (1) is fixedly mounted on the bottom of the hydraulic cylinder structure; the housing component (2) is fixedly mounted on the top of the first connection port (1); the guide component (3) is fixedly mounted on the inner bottom of the housing component (2); the stretching component (4) is movably mounted on the outer side of the guide component (3); and the optimization component (5) is movably mounted on the housing component (2).

2. A hydraulic cylinder structure with smooth operation according to claim 1, characterized in that: The housing assembly (2) comprises an outer shell (201), a ball bearing (202), an oil inlet (203), a mounting plate (204) and an external interface (205); the outer shell (201) is located outside the hydraulic cylinder structure; the ball bearings (202) are evenly arranged on the inner wall of the outer shell (201); the oil inlet (203) is fixedly opened on the inner wall of the outer shell (201); the mounting plate (204) is movably mounted on the bottom of the outer shell (201); and the external interface (205) is fixedly opened on the outer shell (201).

3. A hydraulic cylinder structure with smooth operation according to claim 1, characterized in that: The guide assembly (3) comprises a guide rod (301) and a limiting plate (302); the guide rod (301) is movably mounted on the mounting plate (204); and the limiting plate (302) is fixedly mounted on the guide rod (301).

4. A hydraulic cylinder structure with smooth operation according to claim 1, characterized in that: The stretching component (4) includes a pull rod (401), a second connecting port (402), a cavity (403) and a baffle (404); the pull rod (401) is movably mounted on the outside of the guide component (3); the second connecting port (402) is fixedly mounted on the top of the pull rod (401); the cavity (403) is fixedly opened inside the pull rod (401); and the baffle (404) is movably mounted on the bottom of the pull rod (401).

5. A hydraulic cylinder structure with smooth operation according to claim 1, characterized in that: The optimization component (5) comprises a rubber pad (501), a first sealing ring (502) and a second sealing ring (503); the rubber pad (501) is movably mounted on a mounting plate (204); the first sealing ring (502) is movably mounted on an inner wall of a port of a housing (201); and the second sealing ring (503) is movably mounted on a port on one side of the housing (201).

6. A hydraulic cylinder structure with smooth operation according to claim 2, characterized in that: A plurality of the balls (202) are fixedly provided, a plurality of the oil inlets (203) are fixedly opened, the oil inlets (203) and the balls (202) are cross-arranged, and the external interface (205) is fixedly connected to the oil inlets (203).

7. A hydraulic cylinder structure with smooth operation according to claim 4, characterized in that: The cross-section of the cavity (403) is consistent with that of the limiting disk (302), the opening of the cavity (403) is consistent with that of the guide rod (301), the baffle (404) is larger than the limiting disk (302), the second connection port (402) is smaller than the cross-section of the pull rod (401), and the pull rod (401) is longer than the outer shell (201).

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