Combustion chamber composition structure of freestyle piston generator

Abstract

The utility model discloses a freestyle piston generator combustion chamber composition structure, and relates to the technical field of piston generator structures. The combustion chamber comprises a combustion chamber shell and combustion cavities, an air inlet mechanism and an air outlet mechanism are arranged on the combustion chamber shell, the air inlet mechanism comprises a plurality of air outlet pipes arranged on the combustion chamber shell in a communicated mode, and the air outlet pipes are communicated with the interiors of the two combustion cavities respectively. Connecting pieces are fixedly connected to the inner walls of the multiple air outlet pipes, two arc-shaped grooves are formed in each connecting piece, first springs are fixedly connected to the connecting pieces, valve balls are fixedly connected to the ends, away from the connecting pieces, of the first springs, and necking pipes are arranged on the air outlet pipes in a communicating mode; and the valve ball is in contact with the inner wall of the necking pipe. The gas inlet mechanism is arranged, so that high-temperature and high-pressure gas is prevented from leaking when combustion and pressurization are carried out in the combustion cavity, and the safety of operators and equipment is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of piston generator structures, in particular to a free-style piston generator combustion chamber component structure. Background Art

[0002] In the prior art, after searching, it was found that a Chinese patent disclosed a "free-style piston generator combustion chamber component structure", and its announcement number is "CN212027937U". This patent mainly allows the gas generated inside the combustion chamber shell to be discharged from the exhaust port. After the gas is discharged into the filter chamber from the exhaust port, it is filtered through four layers of filtering: the first filter layer, the second filter layer, the third filter layer and the fourth filter layer. After filtering, it is discharged from the exhaust groove. The filtering process can block most of the harmful substances, achieving the effect of filtering the exhaust gas. The overall structure of the component structure is relatively simple and easy to effectively filter the exhaust gas, which can make the structure practical and easy to promote and use.

[0003] However, when the gas is discharged into the combustion chamber through the exhaust port, it mixes with the fuel and burns. However, the combustion flame may propagate in the reverse direction, that is, the flame propagates from the inside of the combustion chamber to the area before the exhaust port, and may even spread to the fuel supply system or other devices. This reverse flame propagation will cause the pressure inside the combustion chamber to rise sharply, which may eventually cause an explosion or cause serious damage to the device. Utility Model Content

[0004] The purpose of the utility model is to provide a free-style piston generator combustion chamber component structure, which prevents leakage of high-temperature and high-pressure gas by providing an air intake mechanism, thereby ensuring the safety of operators and equipment and solving the problem that the combustion flame may propagate in the reverse direction, that is, the flame propagates in the reverse direction from the inside of the combustion chamber to the area before the exhaust port.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a free-style piston generator combustion chamber structure, comprising a combustion chamber shell, an air intake mechanism and an air outlet mechanism are arranged on the combustion chamber shell, and the air intake mechanism comprises an air intake component and a filter component;

[0007] The air intake assembly includes a plurality of air outlet pipes connected to the combustion chamber shell, the combustion chamber shell is provided with two combustion chambers inside, the plurality of air outlet pipes are respectively connected to the inside of the two combustion chambers, the inner walls of the plurality of air outlet pipes are fixedly connected with connecting plates, the plurality of connecting plates are provided with two arc grooves, the plurality of connecting plates are fixedly connected with a spring 1, the ends of the plurality of springs 1 away from the connecting plates are fixedly connected with valve balls, the plurality of air outlet pipes are connected with a reduction pipe, and the valve ball is in contact with the inner wall of the reduction pipe.

[0008] Furthermore, the filter assembly includes filter cartridges that are arranged on a plurality of tapered tubes, the outer wall of the tapered tubes and the inner wall of the filter cartridges are provided with connecting threads, the tapered tubes and the filter cartridges are threadedly connected, and the inner walls of the plurality of filter cartridges are fixedly connected with filter elements.

[0009] Furthermore, the gas outlet mechanism includes a gas outlet assembly, a piston assembly and a reset assembly, and the gas outlet assembly includes a plurality of air intake pipes connected and arranged on the outer wall of the combustion chamber shell, and the plurality of air intake pipes are respectively connected to the interior of the two combustion chambers.

[0010] Furthermore, several of the intake pipes are connected with flaring pipes, the inner walls of several of the flaring pipes are slidably connected with piston plates, several of the piston plates are fixed with sliding rods, and the ends of several of the sliding rods are slidably extended to the outside of the flaring pipe.

[0011] Furthermore, a spring 2 is wound around each of the plurality of slide rods, one end of the spring 2 is fixedly connected to the piston sheet, and the other end of the spring 2 is fixedly connected to the inner wall of the flared tube.

[0012] Furthermore, one end of several of the sliding rods is fixedly connected with a stopper, the other end of several of the sliding rods is fixedly connected with a stopper, the stopper contacts the inner wall of the expanded tube, and the outer wall of several of the expanded tubes is provided with an air outlet.

[0013] Furthermore, two disc springs are fixedly connected to the inner wall of the combustion chamber shell, a piston rod slides through the two disc springs, the left and right ends of the piston rod are fixedly connected to piston blocks, the two piston blocks are slidingly connected to the inner wall of the combustion chamber shell, and the inner wall of the combustion chamber shell is provided with two oil supply ignition devices.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting up an air intake mechanism, the leakage of high-temperature and high-pressure gas can be prevented when combustion and pressurization are inside the combustion chamber, thereby ensuring the safety of operators and equipment. At the same time, this structure can also prevent the occurrence of backfire within a certain range. Backfire refers to the reverse propagation of the combustion flame to the area before the combustion chamber, which may cause the device to explode or be damaged. The barrier effect of the valve ball can effectively inhibit the reverse propagation of the flame, reduce the risk of backfire, and further improve the safety of the overall device. This ingenious design not only ensures the stable operation of the device, but also provides reliable protection for safe production.

[0016] 2. By providing an air outlet mechanism, external air is prevented from entering the combustion chamber through the flared tube, thereby effectively preventing external air from entering the combustion chamber through the flared tube, thereby avoiding interference of external airflow on the combustion process, such as changes in the air mixture ratio or disturbances of the combustion flame, thereby ensuring the stability of the combustion process and improving the combustion efficiency. The piston rod, piston block and disc spring cooperate with each other. When the combustion in the combustion chamber pushes the piston block to move, the disc spring can not only buffer the moving piston block, but also reduce mechanical wear, extend the service life of the equipment, and improve the movement efficiency of the piston block. When the piston block moves rapidly under the impetus of combustion, the disc spring can store part of the energy and release the energy when the movement direction of the piston block changes, thereby assisting the movement of the piston block and improving the movement efficiency of the piston block, thereby improving the efficiency of the entire system.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a front cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle;

[0023] Figure 5 for Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Combustion chamber shell; 2. Air intake mechanism; 3. Air outlet mechanism; 21. Air outlet pipe; 22. Combustion chamber; 23. Connecting plate; 24. Arc groove; 25. Spring 1; 251. Valve ball; 26. Shrink pipe; 27. Filter cartridge; 28. Filter element; 29. ​​Connecting thread; 31. Air intake pipe; 32. Expanding pipe; 33. Sliding rod; 34. Piston plate; 35. Spring 2; 36. Block; 37. Block; 38. Air outlet; 39. Piston rod; 391. Piston block; 392. Disc spring; 393. Fuel supply ignition device. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 As shown, the utility model is a free-style piston generator combustion chamber structure, including a combustion chamber shell 1, on which an air intake mechanism 2 and an air outlet mechanism 3 are arranged, and the air intake mechanism 2 includes an air intake component and a filter component;

[0028] The air intake assembly includes a plurality of air outlet pipes 21 connected to the combustion chamber housing 1, two combustion chambers 22 are arranged inside the combustion chamber housing 1, and the plurality of air outlet pipes 21 are respectively connected to the interior of the two combustion chambers 22, the inner walls of the plurality of air outlet pipes 21 are fixedly connected with connecting pieces 23, two arc grooves 24 are arranged on the plurality of connecting pieces 23, a spring 25 is fixedly connected to the plurality of connecting pieces 23, and a valve ball 251 is fixedly connected to one end of the plurality of springs 25 away from the connecting piece 23, a plurality of air outlet pipes 21 are connected with a reduction pipe 26, and the valve ball 251 contacts the inner wall of the reduction pipe 26, and the filter assembly includes filter cartridges 27 arranged on the plurality of reduction pipes 26, the outer wall of the reduction pipe 26 and the inner wall of the filter cartridge 27 are provided with connecting threads 29, and the threads of the reduction pipe 26 and the filter cartridge 27 are connected. The inner walls of several filter cartridges 27 are fixedly connected with filter elements 28, which can prevent leakage of high-temperature and high-pressure gas when combustion and pressurization are carried out inside the combustion chamber 22, thereby ensuring the safety of operators and equipment. At the same time, this structure can also prevent the occurrence of backfire within a certain range. Backfire refers to the reverse propagation of the combustion flame to the area before the combustion chamber, which may cause the device to explode or be damaged. The barrier effect of the valve ball can effectively suppress the reverse propagation of the flame, reduce the risk of backfire, and further improve the safety of the overall device. This ingenious design not only ensures the stable operation of the device, but also provides a reliable guarantee for safe production. Before the air enters the exhaust pipe 21, the filter cartridge 27 and the filter element 28 cooperate with each other to filter the gas to prevent dust and other particles from entering the combustion chamber 22 and affecting the combustion effect.

[0029] The gas outlet mechanism 3 includes a gas outlet component, a piston component and a reset component. The gas outlet component includes a plurality of inlet pipes 31 connected to the outer wall of the combustion chamber housing 1. The plurality of inlet pipes 31 are respectively connected to the interior of the two combustion chambers 22. The plurality of inlet pipes 31 are connected to expander pipes 32. The inner walls of the plurality of expander pipes 32 are slidably connected to piston plates 34. The plurality of piston plates 34 are fixedly penetrated by slide rods 33. The ends of the plurality of slide rods 33 are slidably extended to the outside of the expander pipe 32. The plurality of slide rods 33 are wound with springs 35. One end of the springs 35 is The end of the plurality of slide bars 33 is fixedly connected to the piston sheet 34, the other end of the spring 2 35 is fixedly connected to the inner wall of the flared tube 32, one end of the plurality of slide bars 33 is fixedly connected to a stopper 36, the other end of the plurality of slide bars 33 is fixedly connected to a stopper 37, the stopper 36 contacts the inner wall of the flared tube 32, the outer walls of the plurality of flared tubes 32 are provided with an air outlet 38, the inner wall of the combustion chamber housing 1 is fixedly connected to two disc springs 392, a piston rod 39 is slidably penetrated between the two disc springs 392, the left and right ends of the piston rod 39 are fixedly connected to piston blocks 391, and the two Each piston block 391 is slidably connected to the inner wall of the combustion chamber housing 1. The inner wall of the combustion chamber housing 1 is provided with two oil supply ignition devices 393. The exhaust mechanism 3 is provided to prevent external air from entering the combustion chamber 22 through the expansion pipe 32, thereby effectively preventing external air from entering the combustion chamber 22 through the expansion pipe 32, thereby avoiding interference of external airflow on the combustion process, such as changes in the air mixing ratio or disturbances of the combustion flame, thereby ensuring the stability of the combustion process and improving the combustion efficiency. The piston rod 39, the piston block 391 and the disc-shaped The springs 392 cooperate with each other. When the combustion in the combustion chamber 22 pushes the piston block 391 to move, the disc spring 392 can not only cushion the moving piston block 391, but also reduce mechanical wear, extend the service life of the equipment, and improve the movement efficiency of the piston block 391. When the piston block 391 moves rapidly under the impetus of combustion, the disc spring 392 can store part of the energy and release the energy when the movement direction of the piston block 391 changes, thereby assisting the movement of the piston block 391 and improving the movement efficiency of the piston block 391, thereby improving the efficiency of the entire system.

[0030] A specific application of this embodiment is: the fuel supply ignition device is composed of a fuel supply system, a fuel delivery ring, and an afterburner fuel nozzle; the afterburner combustion chamber of the aircraft engine is composed of a diffuser, a flame stabilizer, a fuel delivery ring and a fuel nozzle, an ignition device, an afterburner combustion chamber shell, etc., and in a double-ducted engine, it also includes a mixer;

[0031] By providing the air intake mechanism 2, the connecting piece 23, the spring 1 25, the valve ball 251 and the shrinking pipe 26 cooperate with each other. When the internal air pressure of the combustion chamber 22 is lower than the external air pressure, the external air will squeeze the valve ball 251 and enter the outlet pipe 21 through the gap between the outlet pipe 21 and the valve ball 251. At this time, the spring 1 25 is compressed. Under the action of the arc groove 24, the air flows into the combustion chamber 22 to supplement the combustion-supporting gas. When the internal air pressure of the combustion chamber 22 is higher than the external air pressure or is constant with the external air pressure, the compressed spring 1 25 will reset, so that the valve ball 251 will support the shrinking pipe 26, and prevent the leakage of high-temperature and high-pressure gas when the combustion chamber 22 is combusted and pressurized. Thus, the safety of operators and equipment is guaranteed. At the same time, this structure can also prevent the occurrence of backfire within a certain range. Backfire refers to the area before the combustion flame propagates in the reverse direction to the combustion chamber, which may cause the device to explode or be damaged. The barrier effect of the valve ball can effectively inhibit the reverse propagation of the flame, reduce the risk of backfire, and further improve the safety of the overall device. This ingenious design not only ensures the stable operation of the device, but also provides a reliable guarantee for safe production. Before the air enters the outlet pipe 21, the filter cartridge 27 and the filter element 28 cooperate with each other to filter the gas to prevent dust and other particles from entering the combustion chamber 22 and affecting the combustion effect.

[0032] By providing the exhaust mechanism 3, when the internal air pressure of the combustion chamber 22 is greater than the external air pressure, the exhaust gas generated after the combustion in the combustion chamber 22 will enter the air inlet pipe 31 and push the expanding pipe 32 and the slide rod 33 to move outward. At this time, the spring 2 35 is squeezed. When the piston plate 34 on the slide rod 33 moves to the air outlet 38, the gas will flow through the air inlet pipe 31, the expanding pipe 32 and the air outlet 38 to be discharged. When the internal air pressure of the combustion chamber 22 is less than the external air pressure or is constant with the external air pressure, the compressed spring 2 35 will reset, so that the stopper 36 pushes the expanding pipe 32 and contacts the inner wall of the expanding pipe 32, preventing the external air from entering the combustion chamber 22 through the expanding pipe 32, thereby effectively preventing the external air from entering the combustion chamber 22 through the expanding pipe 32, thereby avoiding the external The interference of boundary airflow on the combustion process, such as changes in the air mixture ratio or disturbances in the combustion flame, thereby ensuring the stability of the combustion process and improving the combustion efficiency. The piston rod 39, the piston block 391 and the disc spring 392 cooperate with each other. When the combustion in the combustion chamber 22 pushes the piston block 391 to move, the disc spring 392 can not only cushion the moving piston block 391, but also reduce mechanical wear and extend the service life of the equipment. It can also improve the movement efficiency of the piston block 391. When the piston block 391 moves rapidly under the impetus of combustion, the disc spring 392 can store part of the energy and release the energy when the movement direction of the piston block 391 changes, thereby assisting the movement of the piston block 391 and improving the movement efficiency of the piston block 391, thereby improving the efficiency of the entire system.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A free-type piston generator combustion chamber structure, comprising a combustion chamber housing (1), characterized in that: An air intake mechanism (2) and an air outlet mechanism (3) are provided on the combustion chamber housing (1); the air intake mechanism (2) comprises an air intake component and a filter component; The air intake assembly comprises a plurality of air outlet pipes (21) which are connected and arranged on a combustion chamber shell (1); two combustion chambers (22) are arranged inside the combustion chamber shell (1); the plurality of air outlet pipes (21) are respectively connected to the interior of the two combustion chambers (22); the inner walls of the plurality of air outlet pipes (21) are fixedly connected with connecting plates (23); two arc-shaped grooves (24) are provided on the plurality of connecting plates (23); a spring 1 (25) is fixedly connected to the plurality of connecting plates (23); a valve ball (251) is fixedly connected to one end of the plurality of springs 1 (25) away from the connecting plate (23); a shrinking pipe (26) is connected and arranged on the plurality of air outlet pipes (21); the valve ball (251) contacts the inner wall of the shrinking pipe (26).

2. The free-style piston generator combustion chamber composition structure according to claim 1 is characterized in that: The filter assembly comprises filter cartridges (27) each arranged on a plurality of shrink tubes (26); the outer wall of the shrink tube (26) and the inner wall of the filter cartridge (27) are each provided with a connecting thread (29); the shrink tube (26) and the filter cartridge (27) are threadedly connected; and the inner walls of the plurality of filter cartridges (27) are each fixedly connected with a filter element (28).

3. The free-style piston generator combustion chamber composition structure according to claim 2 is characterized in that: The gas outlet mechanism (3) comprises a gas outlet assembly, a piston assembly and a reset assembly, the gas outlet assembly comprising a plurality of gas inlet pipes (31) arranged on the outer wall of the combustion chamber housing (1), the plurality of gas inlet pipes (31) being in communication with the interior of the two combustion chambers (22) respectively.

4. The free-style piston generator combustion chamber composition structure according to claim 3 is characterized in that: A plurality of the air inlet pipes (31) are connected to a flaring pipe (32), the inner walls of the plurality of the flaring pipes (32) are slidably connected to a piston sheet (34), a plurality of the piston sheets (34) are fixedly penetrated by a sliding rod (33), and the ends of the plurality of the sliding rods (33) are slidably extended to the outside of the flaring pipe (32).

5. The free-style piston generator combustion chamber composition structure according to claim 4 is characterized in that: A spring 2 (35) is wound around each of the plurality of slide rods (33), one end of the spring 2 (35) is fixedly connected to the piston plate (34), and the other end of the spring 2 (35) is fixedly connected to the inner wall of the flared tube (32).

6. The free-style piston generator combustion chamber composition structure according to claim 5 is characterized in that: One end of the plurality of slide bars (33) is fixedly connected to a stopper (36), and the other end of the plurality of slide bars (33) is fixedly connected to a stopper (37). The stopper (36) contacts the inner wall of the flared tube (32), and the outer wall of the plurality of flared tubes (32) is provided with an air outlet (38).

7. The free-style piston generator combustion chamber composition structure according to claim 6 is characterized in that: Two disc springs (392) are fixedly connected to the inner wall of the combustion chamber housing (1); a piston rod (39) slides through the two disc springs (392); a piston block (391) is fixedly connected to the left and right ends of the piston rod (39); the two piston blocks (391) are slidably connected to the inner wall of the combustion chamber housing (1); and two oil supply ignition devices (393) are provided on the inner wall of the combustion chamber housing (1).

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