Cylinder head
By improving the cylinder block structure and using a precision-designed cylinder head, the problems of low combustion efficiency, insufficient heat dissipation, and poor sealing performance caused by the unreasonable port layout in the cylinder head of small engines have been solved, thus achieving efficient and stable engine operation.
Patent Information
- Application Number
- CN202520383397.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing small engine cylinder head designs suffer from problems such as unreasonable port layout leading to low combustion efficiency, insufficient heat dissipation making the engine prone to overheating and damage, and poor sealing performance causing gas leakage.
It adopts an improved cylinder block structure, including a carefully optimized intake and exhaust port layout and cooling fin design. Combined with high-temperature and high-pressure resistant materials and unique sealing technology, it precisely controls the intake volume of air-fuel mixture and the exhaust volume of exhaust gas through fluid dynamics simulation and precise calculation to ensure stable engine operation.
It improves engine combustion efficiency, prevents gas leakage, ensures engine working efficiency and stability, and solves the problems of low combustion efficiency, insufficient heat dissipation and poor sealing performance in existing cylinder head designs.
Smart Images

Figure CN223689819U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of engine parts, and particularly relates to a cylinder head. BACKGROUND
[0002] As the core power source of various mechanical equipment, the performance of the engine is very important, and the cylinder head, as a key component of the engine, undertakes many key functions during operation.
[0003] In the existing small engine cylinder head design, there are problems such as unreasonable gas port layout leading to low combustion efficiency, insufficient heat dissipation performance causing the engine to be easily overheated and damaged, and poor sealing performance causing gas leakage. These problems not only affect the power output and fuel economy of the small engine.
[0004] To solve the above problems, we propose a cylinder head. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a cylinder head, which solves the problems of unreasonable gas port layout leading to low combustion efficiency, insufficient heat dissipation performance causing the engine to be easily overheated and damaged, and poor sealing performance causing gas leakage in the existing small engine cylinder head design.
[0006] To achieve the above purpose, the utility model adopts a cylinder head, which includes a main body and an improved cylinder structure. The improved cylinder structure includes an air inlet, an exhaust port, a vertical mounting hole and a cavity. The air inlet is fixedly connected with the main body and located above the inside of the main body, and the air inlet and the main body are vertically arranged. The exhaust port is fixedly connected with the main body and located above the inside of the main body, and the exhaust port and the main body are vertically arranged. The exhaust port is also arranged on one side of the air inlet. The vertical mounting hole is fixedly connected with the main body and located in the inside of the main body, and the vertical mounting hole is vertically arranged with the air inlet and the exhaust port respectively. The vertical mounting hole is also arranged on one side of the air inlet and the exhaust port. The cavity is fixedly connected with the main body and located in the center of the inside of the main body, and the cavity is arranged below the air inlet and the exhaust port.
[0007] The improved cylinder body structure further comprises a crankshaft mounting hole, a mounting ring and a positioning hole, the crankshaft mounting hole is fixedly connected with the main body and is located inside the main body and vertically arranged with the main body, the crankshaft mounting hole is located on one side of the cavity, the mounting ring is fixedly connected with the main body and is located on one side of the main body, and the mounting ring is located on one side of the crankshaft mounting hole, and the positioning hole is fixedly connected with the main body and is located on one side of the main body, and the positioning hole is located on one side of the crankshaft mounting hole.
[0008] The improved cylinder body structure further comprises a flat base, the flat base is fixedly connected with the main body and is located below the main body, and the flat base is located below the cavity.
[0009] The improved cylinder body structure further comprises a parallel transmission port and a parallel double channel, the parallel transmission port is fixedly connected with the main body and is located on one side of the main body, and the parallel transmission port is vertically arranged with the crankshaft mounting hole, the parallel double channel is fixedly connected with the main body and is located below the main body, and the parallel double channel is located below the cavity, and the parallel double channel is further fixedly connected with the parallel transmission port and is located on one side of the parallel double channel close to the main body.
[0010] The improved cylinder body structure further comprises a heat dissipation fin, the heat dissipation fin is fixedly connected with the main body and is located on the outer surface of the main body.
[0011] The utility model discloses a cylinder head, including main part and improved cylinder body structure, the improved cylinder body structure includes air inlet, exhaust port, vertical mounting hole and cavity, the air inlet is fixedly connected with the main body and is located inside the main body upper side, and the air inlet is vertically arranged with the main body, the exhaust port is fixedly connected with the main body and is located inside the main body upper side, and the exhaust port is vertically arranged with the main body, the exhaust port is further located on one side of the air inlet, the vertical mounting hole is fixedly connected with the main body and is located inside the main body, and the vertical mounting hole is vertically arranged with the air inlet and the exhaust port respectively, and the vertical mounting hole is further located on one side of the air inlet and the exhaust port, the cavity is fixedly connected with the main body and is located inside the main body center, and the cavity is located below the air inlet and the exhaust port, because the original structure is modified and replaced for the improved cylinder body structure, thereby will reserve the original beneficial effect while actively and effectively solved the existing small engine cylinder head design, and the problems such as the unreasonable gas port layout of existing small engine cylinder head design, the low combustion efficiency, the insufficient heat dissipation performance makes the engine easy to overheat and damage and the poor sealing performance causes the gas leakage. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0013] Fig. 1 is the overall structure of the present application schematic diagram.
[0014] Fig. 2 is the overall structure of the present application side view.
[0015] Fig. 3 is the overall structure of the present application bottom view.
[0016] 101-main body, 102-inlet, 103-exhaust port, 104-vertical mounting hole, 105-crankshaft mounting hole, 106-mounting ring, 107-positioning hole, 108-parallel transmission port, 109-parallel double channel, 110-flat base, 111-radiation fin, 112-cavity. DETAILED DESCRIPTION
[0017] The embodiments of the present application will be described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0018] Please refer to Figs. 1-3 , Fig. 1 is the overall structure of the present application schematic diagram, Fig. 2 is the overall structure of the present application side view, Fig. 3 is the overall structure of the present application bottom view.
[0019] The utility model provides a kind of cylinder head, including main body 101 and improved cylinder structure, the improved cylinder structure includes air inlet 102, exhaust port 103, vertical mounting hole 104, cavity 112, crankshaft mounting hole 105, mounting ring 106, positioning hole 107, flat base 110, parallel transmission port 108, parallel double channel 109 and radiating fin 111, the foregoing scheme has solved the problem such as unreasonable gas port layout leading to low combustion efficiency, insufficient heat dissipation performance makes engine easy to overheat damage and poor sealing performance causes gas leakage in the design of existing small engine cylinder head, it can be understood that, the foregoing scheme can be used, since the main body 101 is carefully optimized, very compact, fully fits the characteristics of small engine space limited, the top of the main body 101 is accurately laid out with multiple air inlet 102 and exhaust port 103, by complex fluid mechanics simulation and precision calculation, these gas ports can accurately control the air intake and exhaust capacity of waste gas of fuel-air mixture, greatly improve the combustion efficiency of engine, guarantee engine stable operation, and the whole is made of special material with high temperature resistance, high pressure resistance and high elasticity, cooperate unique sealing process, ensure that high-temperature, high-pressure gas does not leak during engine operation, so as to ensure the working efficiency and stability of engine, thus retain the original beneficial effect while actively and effectively solve the problem such as unreasonable gas port layout leading to low combustion efficiency, insufficient heat dissipation performance makes engine easy to overheat damage and poor sealing performance causes gas leakage in the design of existing small engine cylinder head.
[0020] For this specific embodiment, the air inlet 102 is fixedly connected with the main body 101 and located above the inside of the main body 101, and the air inlet 102 is vertically arranged with the main body 101, the air outlet 103 is fixedly connected with the main body 101 and located above the inside of the main body 101, and the air outlet 103 is vertically arranged with the main body 101, the air outlet 103 is also arranged on one side of the air inlet 102, the vertical mounting hole 104 is fixedly connected with the main body 101 and located inside the main body 101, and the vertical mounting hole 104 is vertically arranged with the air inlet 102 and the air outlet 103 respectively, the vertical mounting hole 104 is also arranged on one side of the air inlet 102 and the air outlet 103, the cavity 112 is fixedly connected with the main body 101 and located in the center of the inside of the main body 101, and the cavity 112 is arranged below the air inlet 102 and the air outlet 103, because the main body 101 is carefully optimized, it is very compact, fully fits the characteristics of small engine space limited, a plurality of air inlets 102 and air outlets 103 are accurately arranged on the top of the main body 101, through complex fluid mechanics simulation and precise calculation, these air inlets and air outlets can accurately control the air intake and exhaust of the air-fuel mixture, greatly improving the combustion efficiency of the engine and ensuring the stable operation of the engine.
[0021] Among them, the crankshaft mounting hole 105 is fixedly connected with the main body 101 and located inside the main body 101, and the crankshaft mounting hole 105 is vertically arranged with the main body 101, the crankshaft mounting hole 105 is arranged inside one side of the cavity 112, the mounting ring 106 is fixedly connected with the main body 101 and located on one side of the main body 101, and the mounting ring 106 is arranged on one side of the crankshaft mounting hole 105, the positioning hole 107 is fixedly connected with the main body 101 and located on one side of the inside of the main body 101, and the positioning hole 107 is arranged on one side of the crankshaft mounting hole 105, the crankshaft mounting hole 105 and the mounting ring 106 will be the components that retain the beneficial effects of the traditional structure.
[0022] Secondly, the flat base 110 is fixedly connected with the main body 101 and located below the main body 101, and the flat base 110 is arranged below the cavity 112, the flat base 110 will be the assembly installed as a whole with the vertical mounting hole 104.
[0023] Meanwhile, the parallel transmission port 108 is fixedly connected with the main body 101 and located at one side of the main body 101, and the parallel transmission port 108 is vertically arranged with the crankshaft mounting hole 105, the parallel double channel 109 is fixedly connected with the main body 101 and located below the inside of the main body 101, and the parallel double channel 109 is arranged below the cavity 112, and the parallel double channel 109 is also fixedly connected with the parallel transmission port 108 and located at one side of the parallel double channel 109 close to the main body 101.
[0024] In addition, the heat dissipation fin 111 is fixedly connected with the main body 101 and located on the outer surface of the main body 101, and the heat dissipation fin 111 is an auxiliary component for heat dissipation.
[0025] In use of the utility model, since the main body 101 is carefully optimized, very compact, fully fits the characteristics of small engine space limited, a plurality of air inlets 102 and exhaust ports 103 are accurately laid out on the top of the main body 101, through complex fluid mechanics simulation and precise calculation, these air ports can accurately control the air intake of air and fuel mixture and the exhaust capacity of waste gas, greatly improve the combustion efficiency of the engine, ensure the stable operation of the engine, and the whole is made of special material with high temperature resistance, high pressure resistance and high elasticity, and cooperates with the unique sealing process, to ensure that high temperature and high pressure gas will not leak during the operation of the engine, so as to ensure the working efficiency and stability of the engine, thereby retaining the original beneficial effects while actively and effectively solving the problems such as unreasonable air port layout leading to low combustion efficiency, insufficient heat dissipation performance causing engine overheating and damage, and poor sealing performance causing gas leakage in the existing small engine cylinder head design.
[0026] The above disclosed is only a preferred embodiment of the utility model, of course, cannot be limited by this to limit the scope of the utility model, and those skilled in the art can understand that all or part of the processes of the above embodiment are implemented, and equivalent changes made according to the utility model claims still belong to the scope covered by the utility model.
Claims
1. A cylinder head comprising a main body, characterized in that, Further comprising an improved cylinder structure, the improved cylinder structure comprises an air inlet, an exhaust port, a vertical mounting hole and a cavity, the air inlet is fixedly connected with the main body and is located above the inside of the main body, and the air inlet is vertically arranged with the main body, the exhaust port is fixedly connected with the main body and is located above the inside of the main body, and the exhaust port is vertically arranged with the main body, the exhaust port is also arranged on one side of the air inlet, the vertical mounting hole is fixedly connected with the main body and is located inside the main body, and the vertical mounting hole is vertically arranged with the air inlet and the exhaust port respectively, the vertical mounting hole is also arranged on one side of the air inlet and the exhaust port, the cavity is fixedly connected with the main body and is located in the center of the inside of the main body, and the cavity is arranged below the air inlet and the exhaust port.
2. The cylinder head of claim 1, characterized in that, The improved cylinder structure further comprises a crankshaft mounting hole, a mounting ring and a positioning hole, the crankshaft mounting hole is fixedly connected with the main body and is located inside the main body, and the crankshaft mounting hole is vertically arranged with the main body, the crankshaft mounting hole is arranged inside one side of the cavity, the mounting ring is fixedly connected with the main body and is located on one side of the main body, and the mounting ring is arranged on one side of the crankshaft mounting hole, the positioning hole is fixedly connected with the main body and is located on one side of the inside of the main body, and the positioning hole is arranged on one side of the crankshaft mounting hole.
3. The cylinder head of claim 2, characterized in that, The improved cylinder structure further comprises a flat base, the flat base is fixedly connected with the main body and is located below the main body, and the flat base is arranged below the cavity.
4. The cylinder head of claim 3, characterized in that, The improved cylinder structure further comprises a parallel transmission port and a parallel double channel, the parallel transmission port is fixedly connected with the main body and is located on one side of the main body, and the parallel transmission port is vertically arranged with the crankshaft mounting hole, the parallel double channel is fixedly connected with the main body and is located below the inside of the main body, and the parallel double channel is arranged below the cavity, the parallel double channel is also fixedly connected with the parallel transmission port and is located on one side of the parallel double channel close to the main body.
5. The cylinder head of claim 4, characterized in that, The improved cylinder structure further comprises a heat dissipation fin, the heat dissipation fin is fixedly connected with the main body and is located on the outer surface of the main body.