Compact double-stroke air cylinder
By integrating the bus plate and cylinder end cap and canceling the pipe connection, the problems of complex structure and large space occupancy of traditional dual-stroke cylinders are solved, and the compactness and ease of installation of the cylinder are achieved, and aesthetics and practicality are improved.
Patent Information
- Application Number
- CN202422485725.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Traditional dual-stroke cylinders require the use of busbars and multiple sets of air pipes to connect, resulting in complex structures and large space occupancy, especially in environments with limited space, which is more difficult to install.
The bus plate and the cylinder end cap are integrated together, and the cylinder supply is supplied by machining the inner holes inside the cylinder end cap and the pipe connection is cancelled to achieve compactness and simplification of the cylinder.
The cylinder is compact, simplified and easy to install, improving aesthetics and practicality.
Smart Images
Figure CN223136546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cylinders, in particular to a compact double-stroke cylinder. Background Art
[0002] A cylinder is a pneumatic component that uses compressed air as a power source and is widely used in fields such as automation equipment, robotic arms, and industrial robots. A double-stroke cylinder is a special type of double-acting cylinder, and its design enables the piston to complete the movement of two strokes in one working cycle. A double-stroke cylinder usually has two pistons (a large piston and a small piston), and under the push of gas, the pistons can reciprocate in two different directions.
[0003] In traditional double-stroke cylinders, a manifold is usually required to manage the air source of the cylinder. The manifold is a component that concentrates multiple air source pipes into one assembly, playing a role in distributing and controlling the air flow, and is an important component connecting the air source and the cylinder. To achieve the extension and retraction of the cylinder, multiple groups of air pipes need to be connected between the manifold and the cylinder to control the air flow in different directions respectively. The connection of multiple groups of air pipes makes the overall connection structure relatively complex and also occupies more space. Especially in an environment with limited space, it may lead to an increase in the installation difficulty. Therefore, the utility model provides a compact double-stroke cylinder to solve the problems raised in the above background art. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a compact double-stroke cylinder, which integrates the manifold and the cylinder end cover. The places where air needs to be supplied can be directly supplied with air by machining inner holes inside the cylinder end cover without connecting air pipes, making the cylinder relatively compact and concise. Connecting one intake pipe can realize the movement of the cylinder, achieving the compactness, conciseness, and easy installation of the cylinder, and improving the overall aesthetics and practicality.
[0005] To achieve the above purpose, a compact double-stroke cylinder is provided, including a cylinder barrel. Front and rear cylinder covers are respectively provided at both ends of the cylinder barrel. A large piston is movably connected inside the cylinder barrel. A small piston is movably connected inside the cylinder barrel and on the side of the large piston close to the front cylinder cover. An output shaft extending to the outside of the front cylinder cover is installed on one side of the small piston. Inner holes are respectively opened inside the front and rear cylinder covers to form an air flow channel, and the inner holes are connected to the air cavity of the cylinder to form the intake and exhaust channels of the cylinder.
[0006] According to the compact double-stroke cylinder described above, a guide rod is further provided inside the cylinder barrel, and both the large piston and the small piston are slidably connected to the outside of the guide rod.
[0007] According to the compact double-stroke cylinder described above, a connecting groove with a U-shaped structure is opened at the end of the output shaft.
[0008] According to the described compact double - stroke cylinder, one side of each of the front cylinder head and the rear cylinder head is provided with a check valve.
[0009] The utility model has the following beneficial effects:
[0010] Compared with the prior art, for this compact double - stroke cylinder, the manifold plate and the cylinder end cover are integrated together. The places that need to be ventilated can supply air by directly machining inner holes inside the cylinder end cover without using air pipes for connection, making the cylinder more compact and concise. Connecting one intake pipe can realize the movement of the cylinder, achieving the compactness, conciseness and easy installation of the cylinder, and improving the overall aesthetics and practicality.
[0011] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the utility model. Brief Description of the Drawings
[0012] The following further illustrates the utility model in conjunction with the drawings and embodiments;
[0013] Figure 1 It is the schematic front - view sectional structure diagram of the compact double - stroke cylinder of the utility model;
[0014] Figure 2 It is the schematic rear - view structure diagram of the compact double - stroke cylinder of the utility model.
[0015] Legend Explanation:
[0016] 1. Cylinder barrel; 2. Front cylinder head; 3. Rear cylinder head; 4. Connecting groove; 5. Guide rod; 6. Large piston; 7. Small piston; 8. Output shaft; 9. Check valve. Detailed Embodiment
[0017] This part will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to 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.
[0018] Refer to Figure 1-2, in the embodiment of the utility model, a compact double-stroke cylinder includes a cylinder barrel 1. Front cylinder heads 2 and rear cylinder heads 3 are respectively arranged at two ends of the cylinder barrel 1. One-way valves 9 are arranged on one side of each of the front cylinder heads 2 and the rear cylinder heads 3 to facilitate the one-way flow of gas. A large piston 6 is movably connected inside the cylinder barrel 1, and the large piston 6 can reciprocate inside the cylinder barrel 1. A small piston 7 is movably connected inside the cylinder barrel 1 and on the side of the large piston 6 close to the front cylinder head 2. An output shaft 8 extending outside the front cylinder head 2 is installed on one side of the small piston 7. The small piston 7 can also reciprocate inside the cylinder barrel 1, thereby driving the output shaft 8 to move. Inner holes are formed in both the front cylinder head 2 and the rear cylinder head 3 to form an air flow channel. The inner holes are connected to the air cavity of the cylinder to form the air intake and exhaust channels of the cylinder.
[0019] Integrate the manifold and the cylinder end cover together. The places that need to be ventilated can supply gas by directly machining inner holes inside the cylinder end cover without using air pipes for connection, making the cylinder relatively compact and simple. Connecting one intake pipe can realize the movement of the cylinder, achieving the compactness, simplicity and easy installation of the cylinder, and improving the overall aesthetics and practicality.
[0020] A guide rod 5 is further arranged inside the cylinder barrel 1. Both the large piston 6 and the small piston 7 are slidably connected to the outside of the guide rod 5, ensuring the stable movement of the large piston 6 and the small piston 7 inside the cylinder barrel 1.
[0021] A connection groove 4 with a U-shaped structure is formed at the end of the output shaft 8 for connecting with external equipment or workpieces.
[0022] Working principle: Integrate the manifold and the cylinder end cover together. The places that need to be ventilated can supply gas by directly machining inner holes inside the cylinder end cover without using air pipes for connection, making the cylinder relatively compact and simple. Connecting one intake pipe can realize the movement of the cylinder, achieving the compactness, simplicity and easy installation of the cylinder, and improving the overall aesthetics and practicality.
[0023] The above has described the embodiments of the utility model in detail with reference to the accompanying drawings. However, the utility model is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art in the said technical field, various changes can be made without departing from the purpose of the utility model.
Claims
1. A compact double-stroke cylinder, characterized in that, It includes a cylinder barrel (1), with a front cylinder head (2) and a rear cylinder head (3) respectively provided at both ends of the cylinder barrel (1). A large piston (6) is movably connected inside the cylinder barrel (1). A small piston (7) is movably connected inside the cylinder barrel (1) and on the side of the large piston (6) close to the front cylinder head (2). An output shaft (8) extending to the outside of the front cylinder head (2) is installed on one side of the small piston (7). Inner holes are formed inside both the front cylinder head (2) and the rear cylinder head (3) to form an air flow channel, and the inner holes are connected to the air cavity of the cylinder to form the intake and exhaust channels of the cylinder.
2. The compact double-stroke cylinder according to claim 1, characterized in that, A guide rod (5) is further provided inside the cylinder barrel (1), and both the large piston (6) and the small piston (7) are slidably connected to the outside of the guide rod (5).
3. The compact double-stroke cylinder according to claim 2, characterized in that, A connection groove (4) with a U-shaped structure is formed at the end of the output shaft (8).
4. The compact double-stroke cylinder according to claim 3, characterized in that, One-way valves (9) are provided on one side of both the front cylinder head (2) and the rear cylinder head (3).