Piston cylinder body with noise reduction and temperature reduction functions

Abstract

The utility model relates to the technical field of piston cylinder bodies, in particular to a piston cylinder body with noise reduction and temperature reduction functions, which comprises a cylinder barrel and a piston, the piston is movably arranged in the cylinder barrel, a front end cover is arranged at the front end of the cylinder barrel, a first air chamber is formed by the front end cover and the front end face of the piston, and a rear end cover is arranged at the rear end of the cylinder barrel. The rear end cover and the rear end face of the piston form a second air chamber, and a vent groove is formed in the side wall of the piston and communicated with the first air chamber and the second air chamber. The cylinder barrel is simple in structure, the temperature in the cylinder barrel can be effectively lowered, noise is lowered, and the use requirement is met.

Description

Technical Field

[0001] The utility model relates to the technical field of piston cylinders, in particular to a piston cylinder with noise reduction and temperature reduction functions. Background Art

[0002] A piston cylinder is a structural form of a hydraulic cylinder. The input is pressure and flow, and the output is thrust and speed. Most of them include a cylinder barrel and a piston. The piston is arranged in the cylinder barrel. During operation, high-pressure gas pushes the piston to perform linear reciprocating motion in the cylinder barrel. During the working process of the piston in the cylinder barrel, the air at both ends of the cylinder barrel is difficult to circulate, resulting in excessive air compression at both ends of the cylinder barrel, thereby generating high temperature and large noise at the same time, so it cannot meet the use requirements. Content of the Utility Model

[0003] Aiming at the defects of the above-mentioned prior art, the utility model provides a piston cylinder with noise reduction and temperature reduction functions, which has a simple structure and can effectively reduce the temperature in the cylinder barrel, reduce noise and meet the use requirements.

[0004] To achieve the above object, the technical solution adopted by the utility model is:

[0005] A piston cylinder with noise reduction and temperature reduction functions includes a cylinder barrel and a piston. The piston is movably arranged in the cylinder barrel. A front end cover is provided at the front end of the cylinder barrel. The front end cover and the front end face of the piston form a first air chamber. A rear end cover is provided at the rear end of the cylinder barrel. The rear end cover and the rear end face of the piston form a second air chamber. An air vent groove is provided on the side wall of the piston, and the air vent groove communicates the first air chamber and the second air chamber.

[0006] In the above description, preferably, there are two air vent grooves, and the two air vent grooves are respectively arranged at the edges of the outer side wall of the piston.

[0007] In the above description, preferably, a guide groove is provided on the inner wall of the cylinder barrel, and the piston is provided with a guide post adapted to the guide groove, and the guide post is inserted into the guide groove.

[0008] In the above description, preferably, there are two guide grooves, and the two guide grooves are diagonally arranged in the cylinder barrel.

[0009] In the above description, preferably, the piston is connected with a piston rod, and the piston rod passes through the front end cover and extends outwards.

[0010] The beneficial effects produced by the utility model are as follows: the front end cover and the front end face of the piston form a first air chamber, the rear end cover and the rear end face of the piston form a second air chamber, the side wall of the piston is provided with a ventilation groove, the ventilation groove connects the first air chamber and the second air chamber, when the piston performs a linear reciprocating motion in the cylinder, part of the air can travel back and forth between the first air chamber and the second air chamber through the ventilation groove, which is conducive to air circulation, effectively solves the problem of excessive air compression at both ends of the cylinder, makes the piston run more smoothly, effectively reduces the temperature in the cylinder, reduces noise, and meets the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 : It is a structural schematic diagram of an embodiment of the utility model;

[0012] Figure 2 : It is a schematic diagram of the rear view structure of an embodiment of the utility model;

[0013] Figure 3 : It is a schematic diagram of the main view structure of an embodiment of the utility model;

[0014] Figure 4 : It is a schematic diagram of the main view of the cylinder structure of the embodiment of the utility model;

[0015] Figure 5 : A schematic diagram of the piston structure in the main view direction of an embodiment of the utility model;

[0016] Description of the accompanying drawings: 10-cylinder barrel, 11-guide groove, 12-first air chamber, 13-second air chamber,

[0017] 20-piston, 21-venting groove, 22-guide column, 23-piston rod. DETAILED DESCRIPTION

[0018] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0019] This embodiment: Figures 1-5As shown, a piston cylinder body with noise reduction and temperature reduction functions includes a cylinder barrel 10 and a piston 20. The piston 20 is movably arranged in the cylinder barrel 10. A guide groove 11 is provided on the inner wall of the cylinder barrel 10. There are two guide grooves 11. The two guide grooves 11 are diagonally arranged in the cylinder barrel 10. The piston 20 is provided with a guide column 22 adapted to the guide groove 11. The guide column 22 is inserted into the guide groove 11. The guide groove 11 is diagonally arranged, which can provide better support and stability, reduce the distortion or deformation of the structure when subjected to force, and help to distribute the load more evenly to the entire structure, thereby reducing local stress concentration and improving the durability and fatigue resistance of the structure. Through the cooperation of the guide column 22 and the guide groove 11, the piston 20 can provide more precise guidance when moving, ensuring that the piston 20 moves smoothly along a predetermined path. A front end cover (not shown) is provided at the front end of the cylinder barrel 10. The front end cover and the front end surface of the piston 20 form a first air chamber 12. The cylinder barrel 1 0 is provided with a rear end cover (not shown), and the rear end cover and the rear end surface of the piston 20 form a second air chamber 13. The side wall of the piston 20 is provided with a ventilation groove 21, and there are two ventilation grooves 21. The two ventilation grooves 21 are respectively arranged on the edges of the outer side wall of the piston 20, and the ventilation groove 21 connects the first air chamber 12 and the second air chamber 13. The piston 20 is connected to a piston rod 23, and the piston rod 23 extends outward through the front end cover. When the high-pressure gas pushes the piston 20 to perform a linear reciprocating motion in the cylinder 10, most of the air is used for propulsion power, and a small part of the air can travel back and forth between the first air chamber 12 and the second air chamber 13 through the ventilation groove 21, which is conducive to air circulation, effectively solving the problem of excessive air compression at both ends of the cylinder 10 when the piston 20 performs a linear reciprocating motion in the cylinder 10, making the piston 20 run more smoothly. At the same time, it can effectively reduce the temperature in the cylinder 10 that continues to rise due to air compression, reduce the generation of noise, and meet the use requirements.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A piston cylinder with noise reduction and temperature reduction function, comprising a cylinder barrel and a piston, wherein the piston is movably arranged in the cylinder barrel, and is characterized in that: A front end cover is provided at the front end of the cylinder, and the front end cover and the front end surface of the piston form a first air chamber. A rear end cover is provided at the rear end of the cylinder, and the rear end cover and the rear end surface of the piston form a second air chamber. A ventilation groove is provided on the side wall of the piston, and the ventilation groove connects the first air chamber and the second air chamber.

2. The piston cylinder with noise reduction and temperature reduction function according to claim 1 is characterized in that: There are two ventilation grooves, which are respectively arranged at the edges of the outer side wall of the piston.

3. The piston cylinder with noise reduction and temperature reduction function according to claim 1, characterized in that: The inner wall of the cylinder is provided with a guide groove, the piston is provided with a guide column matched with the guide groove, and the guide column is inserted into the guide groove.

4. The piston cylinder with noise reduction and temperature reduction function according to claim 3 is characterized in that: Two guide grooves are provided, and the two guide grooves are diagonally arranged in the cylinder barrel.

5. The piston cylinder with noise reduction and temperature reduction function according to claim 1, characterized in that: The piston is connected with a piston rod, and the piston rod passes through the front end cover and extends outward.

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