Gear motor type internal combustion engine

Abstract

The utility model discloses a gear motor type internal combustion engine. The motor type internal combustion engine comprises a deflagration assembly, a first pneumatic motor, a second pneumatic motor, an air compression assembly and a starting air inlet assembly. An air outlet of the deflagration assembly is communicated with an air inlet of the first pneumatic motor; an air outlet of the first pneumatic motor is communicated with an air inlet of the second pneumatic motor; the second pneumatic motor is in transmission connection with the air compression assembly; an air outlet of the air compression assembly is communicated with an air inlet of the deflagration assembly; and the starting air inlet assembly is communicated with the detonation assembly. The air compression assembly is driven by the second pneumatic motor, air is compressed through waste gas energy, high-pressure air is conveyed to the combustion chamber, and the combustion efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of internal combustion engine technology, specifically a gear motor type internal combustion engine. Background Technology

[0002] Most existing internal combustion engines are piston-type internal combustion engines. Piston-type internal combustion engines have the following disadvantages: they generate large internal vibrations during operation, and the gas expands and does work before being directly discharged, resulting in large energy loss.

[0003] The gear rotation of the internal combustion engine itself does not generate reciprocating torque, and the ejected gas is easy to recover and reuse. Those skilled in the art have provided a gear engine and drive system with publication number CN102444471A, in which a recovery port is set on the housing of the gear engine, between the inlet and outlet, and within the range of the gear teeth. The recovery port is connected to a recovery gas tank to recover high-pressure gas. When there is too much energy in the gas tank, the energy in the gas tank is used to drive the gear. This prior art utilization scheme has large energy loss and will affect the detonation in the combustion chamber.

[0004] In summary, the technical solutions, technical problems to be solved, and beneficial effects of the above-disclosed technologies are all different from those of this utility model. For more technical features, technical problems to be solved, and beneficial effects of this utility model, the above-disclosed technical documents do not provide any technical inspiration. Summary of the Invention

[0005] In view of the above-mentioned defects in the existing technology, the purpose of this utility model is to provide a gear motor type internal combustion engine.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] On one hand, this utility model provides a geared motor type internal combustion engine, including a knock-off assembly, a first pneumatic motor, a second pneumatic motor, an air compression assembly, and a starting intake assembly; the outlet of the knock-off assembly is connected to the inlet of the first pneumatic motor; the outlet of the first pneumatic motor is connected to the inlet of the second pneumatic motor; the second pneumatic motor is drivenly connected to the air compression assembly; the outlet of the air compression assembly is connected to the inlet of the knock-off assembly; and the starting intake assembly is connected to the knock-off assembly.

[0008] Furthermore, it also includes a cylinder block; the deflagration assembly includes a combustion chamber, a fuel inlet, and an igniter;

[0009] Specifically, the combustion chamber is located inside the cylinder body;

[0010] Specifically, the fuel inlet is disposed on the outer wall of the cylinder body and is connected to the combustion chamber;

[0011] Specifically, the igniter is arranged on the outer wall of the cylinder body and communicates with the combustion chamber.

[0012] Specifically, the first gas outlet channel of the combustion chamber is provided with a high-pressure valve which is opened when high pressure is generated by the gas explosion in the combustion chamber.

[0013] Further, the first pneumatic motor comprises a first pneumatic cavity, a first pneumatic gear and a second pneumatic gear.

[0014] Specifically, the first pneumatic cavity is arranged in the cylinder body, the first pneumatic gear is rotatably arranged in the first pneumatic cavity through an output shaft one, the second pneumatic gear is rotatably arranged in the first pneumatic cavity through an output shaft two, and the first pneumatic gear is engaged with the second pneumatic gear.

[0015] Specifically, the first pneumatic cavity is provided with a first air inlet channel and a first gas outlet channel.

[0016] Specifically, the second pneumatic motor comprises a second pneumatic cavity, a third pneumatic gear and a fourth pneumatic gear.

[0017] Specifically, the second pneumatic cavity is arranged in the cylinder body, the third pneumatic gear is rotatably arranged in the second pneumatic cavity through an output shaft three, the fourth pneumatic gear is rotatably arranged in the second pneumatic cavity through an output shaft four, and the third pneumatic gear is engaged with the fourth pneumatic gear.

[0018] Specifically, the second pneumatic cavity communicates with the second gas outlet channel of the first pneumatic cavity through a second air inlet channel.

[0019] Specifically, the cylinder body is provided with a tail gas outlet, and the second pneumatic cavity communicates with the tail gas outlet through a tail gas discharge channel.

[0020] Further, the air compression assembly comprises a gas pump housing, an air compression cavity, a high-pressure air cavity, a gas pump gear one and a gas pump gear two.

[0021] Specifically, the gas pump housing is connected with the outer wall of the cylinder body, the air compression cavity is arranged in the gas pump housing, the output shaft three and the output shaft four penetrate into the air compression cavity, the gas pump gear one is connected with the output shaft three in the air compression cavity, the gas pump gear two is connected with the output shaft four in the air compression cavity, and the gas pump gear one is engaged with the gas pump gear two; the gas pump gear one, the gas pump gear two, the third pneumatic gear and the fourth pneumatic gear have the same number of teeth.

[0022] Specifically, the gas pump housing is provided with an air inlet at one end where the gas pump gear one and the gas pump gear two are disengaged, and the gas pump housing is provided with an air outlet at one end where the gas pump gear one and the gas pump gear two are engaged.

[0023] Specifically, the high-pressure air cavity is arranged in the cylinder body, the air outlet is communicated with the high-pressure air cavity through the air pipe, the one-way air inlet valve is arranged between the air pipe and the cylinder body, the third air outlet channel of the high-pressure air cavity is provided with the constant pressure valve, and the third air outlet channel is communicated with the third air inlet channel of the combustion chamber.

[0024] Further, the starting air inlet assembly comprises a forced conduction valve and a normal pressure air inlet valve.

[0025] Specifically, the combustion chamber is provided with a bypass channel communicated with the first air inlet channel, and the forced conduction valve is arranged in the bypass channel and can force the combustion chamber and the first pneumatic cavity to be conducted.

[0026] Specifically, the cylinder body is provided with a normal pressure air inlet hole communicated with the combustion chamber, and the normal pressure air inlet valve is arranged in the normal pressure air inlet hole and can be conducted when the combustion chamber is in negative pressure, so that air enters the combustion chamber.

[0027] Further, the forced conduction valve comprises a conduction spring and a conduction valve core.

[0028] Specifically, the conduction valve core is slidably arranged in the conduction valve sleeve, and the conduction valve core comprises a conduction spring pressing rod, a conduction valve rod and a conduction valve head connected in sequence, and the outer diameter of the conduction valve rod is smaller than that of the conduction spring pressing rod and the conduction valve head.

[0029] Specifically, the conduction valve head penetrates into the cylinder body, the cylinder body is provided with a conduction spring seat between the conduction valve head and the conduction spring pressing rod, and the conduction spring is arranged between the conduction spring pressing rod and the conduction spring seat.

[0030] Specifically, the conduction valve head is provided with a blind hole at an end away from the conduction valve rod, and a side hole is arranged at the bottom of the blind hole and communicated with the side wall of the conduction valve head.

[0031] Specifically, when the conduction valve head contacts the conduction spring seat, the conduction valve head seals the bypass channel, and when the conduction valve head is away from the conduction spring seat, the blind hole and the side hole conduct the combustion chamber and the bypass channel.

[0032] Further, the exhaust assembly further comprises an air inlet control valve and an air inlet control forced conduction synchronous movement mechanism.

[0033] Specifically, the air inlet control valve comprises an air inlet spring and an air inlet valve core.

[0034] Specifically, the air inlet valve core comprises an air inlet spring pressing rod, an air inlet valve rod and an air inlet valve head connected in sequence, and the outer diameter of the air inlet valve rod is smaller than that of the air inlet spring pressing rod and the air inlet valve head.

[0035] Specifically, the intake valve rod slides into the cylinder, the intake spring is arranged between the intake spring pressure rod and the cylinder, and the intake valve head is located at the connecting port of the combustion chamber and the third intake passage;

[0036] Specifically, when the intake valve head contacts the third intake passage port, the third intake passage is closed, and when the intake valve head moves downward to leave the third intake passage port, the third intake passage is conducted.

[0037] Specifically, the intake control forced conduction synchronous motion mechanism is in transmission connection with the first pneumatic motor, and the intake control forced conduction synchronous motion mechanism is in contact with the conduction spring pressure rod and the intake spring pressure rod.

[0038] Specifically, the intake control forced conduction synchronous motion mechanism enables the intake control valve and the forced conduction valve to open and close periodically, and the intake control valve is opened before the forced conduction valve is closed, so that high-pressure air can push out the remaining air in the combustion chamber.

[0039] Further, the intake control forced conduction synchronous motion mechanism comprises a frame, a transmission gear set, a synchronous gear set, an exhaust cam and an intake cam.

[0040] Specifically, the frame is connected with the cylinder, the frame is rotatably provided with cam shaft one and cam shaft two, the synchronous gear set comprises synchronous gear one and synchronous gear two, the transmission gear set comprises transmission gear one, transmission gear two and a speed reduction gear set, and output shaft one and output shaft two are arranged on the same side of the cylinder.

[0041] Specifically, the transmission gear one is connected with the output shaft one outside the cylinder, the transmission gear two is connected with the output shaft two outside the cylinder, the transmission gear one is engaged with the transmission gear two, and the transmission gear one, the transmission gear two, the pneumatic gear one and the pneumatic gear two have the same number of teeth.

[0042] Specifically, the synchronous gear one is arranged at one end of the cam shaft one, the synchronous gear two is arranged at one end of the cam shaft two close to the synchronous gear one, and the synchronous gear one is engaged with the synchronous gear two.

[0043] Specifically, the transmission gear one or the transmission gear two is in speed reduction transmission connection with the synchronous gear one or the synchronous gear two through the speed reduction gear set, and the speed reduction gear set is arranged on the frame.

[0044] Specifically, the cam shaft one is located above the conduction spring pressure rod, the exhaust cam is connected with the cam shaft one, and the exhaust cam is located above the conduction spring pressure rod and can press down the conduction spring pressure rod.

[0045] Specifically, the camshaft two is located above the intake spring pressing rod, the intake cam is connected with the camshaft two, the intake cam is located above the intake spring pressing rod and can press down the intake spring pressing rod.

[0046] Further, it also comprises a third pneumatic motor, an energy recovery device;

[0047] Specifically, the third pneumatic motor comprises a third pneumatic cavity, a pneumatic gear five, and a pneumatic gear six.

[0048] Specifically, the third pneumatic cavity is arranged in the cylinder body, the third pneumatic cavity is located between the second pneumatic cavity and the tail gas discharge channel, the pneumatic gear five is rotatably arranged in the third pneumatic cavity through an output shaft five, the pneumatic gear six is rotatably arranged in the third pneumatic cavity through an output shaft six, and the pneumatic gear five is engaged with the pneumatic gear six.

[0049] Specifically, the fourth intake channel of the third pneumatic cavity is communicated with the fourth exhaust channel of the second pneumatic cavity, and the fifth exhaust channel of the third pneumatic cavity is communicated with the tail gas discharge channel,

[0050] Specifically, the output shaft five or the output shaft six is in transmission connection with the energy recovery device.

[0051] Specifically, the output shaft five and the output shaft six are arranged on the same side of the cylinder body and are arranged outside the cylinder body, the output shaft five is provided with an outer synchronizing gear one, the output shaft six is provided with an outer synchronizing gear two, the outer synchronizing gear one is engaged with the outer synchronizing gear two, and the outer synchronizing gear one, the outer synchronizing gear two, the pneumatic gear five and the pneumatic gear six have the same number of teeth.

[0052] Specifically, the cylinder body is provided with a first buffer cavity between the second exhaust channel and the second intake channel, and is provided with a second buffer cavity between the fourth exhaust channel and the fourth intake channel.

[0053] Compared with the prior art, the utility model has the following beneficial effects:

[0054] The utility model discloses a second pneumatic motor drives air compression assembly, utilizes the exhaust gas energy to compress air, and transports high pressure air to the combustion chamber, improves the combustion efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0055] Figure 1 It is the external structure schematic of a gear motor type internal combustion engine of the utility model Figure 1 ;

[0056] Figure 2 It is the external structure schematic of a gear motor type internal combustion engine of the utility model Figure 2 ;

[0057] Figure 3is a top view of a gear motor type internal combustion engine of the utility model;

[0058] Figure 4 is a front view of a gear motor type internal combustion engine of the utility model;

[0059] Figure 5 is a rear view of a gear motor type internal combustion engine of the utility model;

[0060] Figure 6 is Figure 3 the section view at A-A in figure;

[0061] Figure 7 is Figure 4 the partial section view at B-B in figure;

[0062] Figure 8 is Figure 4 the partial section view at C-C in figure;

[0063] Figure 9 is Figure 4 the section view at D-D in figure;

[0064] Figure 10 is Figure 4 the section view at E-E in figure;

[0065] Figure 11 is Figure 5 the partial section view at F-F in figure;

[0066] Figure 12 is Figure 6 the enlarged schematic view at G in figure.

[0067] In the figure: combustion chamber 10, fuel inlet 11, igniter 12, high pressure valve 13, first gas outlet passage 14, third gas inlet passage 15, bypass passage 16;

[0068] First pneumatic cavity 20, pneumatic gear one 21, pneumatic gear two 22, output shaft one 23, output shaft two 24, first gas inlet passage 25, second gas outlet passage 26;

[0069] Second pneumatic cavity 30, pneumatic gear three 31, pneumatic gear four 32, output shaft three 33, output shaft four 34, second gas inlet passage 35, fourth gas outlet passage 36;

[0070] Air pump shell 40, air compression cavity 41, high pressure air cavity 42, air pump gear one 43, air pump gear two 44, air conveying pipe 45, third gas outlet passage 46, constant pressure valve 47, overflow valve 48, filter head 49, one-way air inlet valve 410;

[0071] Force on valve 50, valve sleeve 51, on the spring 52, on the valve core 53, on the spring pressure bar 54, on the valve stem 55, on the valve head 56, on the spring seat 57, blind hole 58, side hole 59;

[0072] Normal pressure intake valve 60, normal pressure valve sleeve 61, normal pressure spring 62, normal pressure valve core 63, normal pressure spring pressure bar 64, normal pressure valve stem 65, normal pressure valve head 66;

[0073] Intake control valve 70, intake valve sleeve 71, intake spring 72, intake valve core 73, intake spring pressure bar 74, intake valve stem 75, intake valve head 76;

[0074] Frame 80, intake cam 81, exhaust cam 82, transmission gear one 83, transmission gear two 84, transmission gear three 85, transmission gear four 86, transmission gear five 87, synchronous gear one 88, synchronous gear two 89, cam shaft one 810, cam shaft two 811, transmission shaft one 812;

[0075] The third pneumatic cavity 90, pneumatic gear five 91, pneumatic gear six 92, output shaft five 93, output shaft six 94, the fourth intake passage 95, the fifth exhaust passage 96, outer synchronous gear one 97, outer synchronous gear two 98;

[0076] Purifier 101, energy recovery device 102, first buffer cavity 103, second buffer cavity 104, bracket 105, clutch one 106, double output shaft motor 107, clutch two 108, total power output shaft 109;

[0077] Inner cylinder 121, first side plate 122, second side plate 123. DETAILED DESCRIPTION

[0078] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0079] Please refer to Figures 1 to 12The gear motor type internal combustion engine provided by the embodiment comprises an explosion assembly, a first pneumatic motor, a second pneumatic motor, an air compression assembly and a starting air intake assembly, the gas outlet of the explosion assembly is communicated with the air inlet of the first pneumatic motor, the gas outlet of the first pneumatic motor is communicated with the air inlet of the second pneumatic motor, the second pneumatic motor is drivingly connected with the air compression assembly, the gas outlet of the air compression assembly is communicated with the air inlet of the explosion assembly, and the starting air intake assembly is communicated with the explosion assembly; the first pneumatic motor is driven by an external drive to generate negative pressure so that the explosion assembly obtains air, after the explosion assembly is ignited, the explosion gas drives the first pneumatic motor, the second pneumatic motor is driven again by the gas of the first pneumatic motor, the air compression assembly is driven to provide high-pressure air for the explosion assembly, and the energy of the explosion gas is fully utilized.

[0080] Further, the explosion assembly, the first pneumatic motor, the second pneumatic motor and the air compression assembly are connected with a cylinder.

[0081] Further, the explosion assembly comprises an explosion chamber 10, a fuel inlet 11 and an igniter 12, the explosion chamber 10 is arranged in the cylinder, the fuel inlet 11 is arranged on the outer wall of the cylinder, the fuel inlet 11 is communicated with the explosion chamber 10, the igniter 12 is arranged on the outer wall of the cylinder, the igniter 12 is communicated with the explosion chamber 10, and the first gas outlet channel 14 of the explosion chamber 10 is provided with a high-pressure valve 13; when the explosion chamber 10 generates high pressure due to gas explosion, the high-pressure valve 13 is opened.

[0082] Specifically, the fuel inlet 11 is a high-pressure atomizing nozzle, and the igniter 12 is an electric spark plug.

[0083] Specifically, the high-pressure valve 13 comprises a valve seat one, a spring one and a valve core one, the valve seat one is connected with the outer wall of the cylinder through a flange and a bolt, the valve seat one is provided with a spring seat one, the spring seat one and the cylinder are provided with the spring one, the spring one and the cylinder are provided with the valve core one, the valve core one is slidably inserted into the cylinder, and the valve head of the valve core one is located in the first gas outlet channel 14; when the explosion chamber 10 generates high pressure due to gas explosion, the valve core one is pushed open by high-pressure gas, and the first gas outlet channel 14 is conducted.

[0084] Further, the first pneumatic motor comprises a first pneumatic cavity 20, a first pneumatic gear 21 and a second pneumatic gear 22. The first pneumatic cavity 20 is arranged in the cylinder body and comprises two partially overlapped circular cavities. The first pneumatic gear 21 is arranged in one of the circular cavities of the first pneumatic cavity 20 and rotates via an output shaft 23. The second pneumatic gear 22 is arranged in the other circular cavity of the first pneumatic cavity 20 and rotates via an output shaft 24. The first pneumatic gear 21 is engaged with the second pneumatic gear 22. The first pneumatic cavity 20 is provided with a bifurcated first air inlet channel 25. The two bifurcated ends of the first air inlet channel 25 are respectively directed to the sides of the first pneumatic gear 21 and the second pneumatic gear 22 away from the engagement surface. The bifurcated common end of the first air inlet channel 25 is communicated with the first air outlet channel 14. The bifurcated first air inlet channel 25 guides the high-pressure gas to the first pneumatic gear 21 and the second pneumatic gear 22, so that the first pneumatic gear 21 and the second pneumatic gear 22 rotate and output energy to work.

[0085] Specifically, the first air inlet channel 25 is a V-shaped bifurcated channel.

[0086] Further, the second pneumatic motor comprises a second pneumatic cavity 30, a third pneumatic gear 31 and a fourth pneumatic gear 32. The second pneumatic cavity 30 is arranged in the cylinder body and comprises two partially overlapped circular cavities. The third pneumatic gear 31 is arranged in one of the circular cavities of the second pneumatic cavity 30 and rotates via an output shaft 33. The fourth pneumatic gear 32 is arranged in the other circular cavity of the second pneumatic cavity 30 and rotates via an output shaft 34. The third pneumatic gear 31 is engaged with the fourth pneumatic gear 32. The second pneumatic cavity 30 is provided with a bifurcated second air inlet channel 35. The two bifurcated ends of the second air inlet channel 35 are respectively directed to the sides of the third pneumatic gear 31 and the fourth pneumatic gear 32 away from the engagement surface. The bifurcated common end of the second air inlet channel 35 is communicated with the second air outlet channel 26 of the first pneumatic cavity 20. The output shaft 33 or the output shaft 34 is connected with an air compression assembly. The high-pressure gas becomes medium-pressure gas after losing part of energy. The bifurcated second air inlet channel 35 guides the medium-pressure gas to the third pneumatic gear 31 and the fourth pneumatic gear 32, so that the third pneumatic gear 31 and the fourth pneumatic gear 32 rotate and drive the air compression assembly.

[0087] Specifically, the cylinder body is provided with an exhaust outlet. The second pneumatic cavity 30 is communicated with the exhaust outlet via an exhaust discharge channel. The exhaust outlet is provided with a purifier 101, which can be a three-way catalyst.

[0088] Specifically, the second air inlet channel 35 is a V-shaped bifurcated channel.

[0089] Further, the air compression assembly comprises a pump housing 40, an air compression cavity 41, a high-pressure air cavity 42, a pump gear one 43, and a pump gear two 44. The pump housing 40 is connected to the outer wall of the cylinder body. The air compression cavity 41 is arranged in the pump housing 40. The air compression cavity 41 is composed of two circular cavities that partially overlap. The output shaft three 33 penetrates the center of one of the circular cavities of the air compression cavity 41. The output shaft four 34 penetrates the center of the other circular cavity of the air compression cavity 41. The pump gear one 43 is connected to the output shaft three 33 in the air compression cavity 41. The pump gear two 44 is connected to the output shaft four 34 in the air compression cavity 41. The pump gear one 43 is engaged with the pump gear two 44. The pump housing 40 is provided with an air inlet at one end where the pump gear one 43 and the pump gear two 44 are disengaged. The pump housing 40 is provided with an air outlet at one end where the pump gear one 43 and the pump gear two 44 are engaged. The high-pressure air cavity 42 is arranged in the cylinder body. The air outlet is communicated with the high-pressure air cavity 42 through a gas delivery pipe 45. The third air outlet channel 46 of the high-pressure air cavity 42 is provided with a constant pressure valve 47. The third air outlet channel 46 is communicated with the third air inlet channel 15 of the combustion chamber 10. When the gas in the high-pressure air cavity 42 reaches a preset pressure, the constant pressure valve 47 is opened, so that the combustion chamber 10 obtains stable high-pressure gas.

[0090] Specifically, the air inlet is provided with a filter head 49 to filter impurities in the air. A one-way air inlet valve 410 is arranged between the gas delivery pipe 45 and the cylinder body to prevent gas backflow.

[0091] Specifically, the pump gear one 43, the pump gear two 44, the pneumatic gear three 31, and the pneumatic gear four 32 have the same number of teeth. The fitting gap between the pneumatic gear three 31 and the pneumatic gear four 32 is larger than the fitting gap between the pump gear one 43 and the pump gear two 44. The synchronous rotation of the pneumatic gear three 31 and the pneumatic gear four 32 is realized by the pump gear one 43 and the pump gear two 44, so that the rotation of the pneumatic gear three 31 and the pneumatic gear four 32 is not affected by thermal expansion and contraction.

[0092] Specifically, the constant pressure valve 47 comprises a valve seat two, a spring two, and a valve core two. The valve seat two is connected to the outer wall of the cylinder body by a flange and bolts. The valve seat two is provided with a spring seat two. The spring seat two is provided with the spring two between the cylinder body. The spring two is provided with the valve core two between the cylinder body. The valve core two is slidably inserted into the cylinder body. The valve head of the valve core two is located in the third air outlet channel 46. When the gas in the high-pressure air cavity 42 reaches a preset pressure, the valve core two is pushed open by the high-pressure air. The third air outlet channel 46 is conducted. When the gas in the combustion chamber 10 explodes to generate high pressure, the valve core two is closed under the action of the high-pressure gas.

[0093] Further, the cylinder is provided with a pressure relief hole in the high-pressure air cavity 42, and an overflow valve 48 is arranged on the pressure relief hole.

[0094] Specifically, the overflow valve 48 comprises a valve seat three, a spring three, and a valve core three. The valve seat three is connected to the outer wall of the cylinder by a flange and a bolt. The valve seat three is provided with a spring seat three. The spring seat three and the cylinder are provided with the spring three. The spring three and the pressure relief hole are provided with the valve core three. The spring three presses the valve core three on the pressure relief hole. When the pressure in the high-pressure air cavity 42 is too high, the valve core three opens the pressure relief hole to avoid overpressure.

[0095] Further, the starting air intake assembly comprises a forced conduction valve 50 and a normal-pressure air intake valve 60. The combustion chamber 10 is provided with a bypass channel 16, which is in communication with the common end of the bifurcated first air intake channel 25. The forced conduction valve 50 is located in the bypass channel 16 and can force the combustion chamber 10 to be in conduction with the first pneumatic cavity 20. The cylinder is provided with a normal-pressure air intake hole, which is in communication with the combustion chamber 10. The normal-pressure air intake valve 60 is arranged in the normal-pressure air intake hole. When the combustion chamber 10 is in negative pressure, the normal-pressure air intake valve 60 is in conduction to allow air to enter the combustion chamber 10. In use, the forced conduction valve 50 is opened, the first pneumatic motor is driven by an external device, the combustion chamber 10 is drawn into negative pressure, the normal-pressure air intake valve 60 is in conduction, the gas in the combustion chamber 10 is replaced with air, at the same time, the second pneumatic motor is driven to make the air compression assembly output compressed air to the high-pressure air cavity 42. After the combustion chamber 10 is ignited, the high-pressure gas makes the pressure in the high-pressure air cavity 42 rise above the constant-pressure valve 47, the constant-pressure valve 47 is opened, the internal combustion engine enters the cycle ignition state, the forced conduction valve 50 is closed, and the external device is removed.

[0096] Specifically, the forced conduction valve 50 comprises a conduction valve sleeve 51, a conduction spring 52, and a conduction valve core 53. The conduction valve sleeve 51 is connected to the outer wall of the cylinder by a flange and a bolt. The conduction valve core 53 is slidably arranged in the conduction valve sleeve 51. The conduction valve core 53 comprises a conduction spring pressing rod 54, a conduction valve rod 55, and a conduction valve head 56 connected in sequence. The outer diameter of the conduction valve rod 55 is smaller than the outer diameters of the conduction spring pressing rod 54 and the conduction valve head 56. The conduction valve head 56 slides into the cylinder. The cylinder is provided with a conduction spring seat 57 between the conduction valve head 56 and the conduction spring pressing rod 54. The conduction spring 52 is arranged between the conduction spring pressing rod 54 and the conduction spring seat 57. The conduction valve head 56 is provided with a blind hole 58 at the end away from the conduction valve rod 55. The bottom of the blind hole 58 is provided with a side hole 59, which is in communication with the side wall of the conduction valve head 56. When the conduction valve head 56 is in contact with the conduction spring seat 57, the conduction valve head 56 seals the bypass channel 16. When the conduction valve head 56 is away from the conduction spring seat 57, the blind hole 58 and the side hole 59 conduct the combustion chamber 10 and the bypass channel 16.

[0097] Specifically, the on-spring seat 57 is threadedly connected with the cylinder body.

[0098] Specifically, the cylinder body is provided with a positioning cone seat in the sliding channel of the on-valve head 56, for positioning the position of the on-valve head 56 in the on state of the bypass channel 16 and the combustion chamber 10.

[0099] Specifically, the normal-pressure intake valve 60 comprises a normal-pressure valve sleeve 61, a normal-pressure spring 62, and a normal-pressure valve core 63. The normal-pressure valve sleeve 61 is connected with the outer wall of the cylinder body through a flange and bolts. The normal-pressure valve sleeve 61 is sealed with the normal-pressure intake hole of the cylinder body. The normal-pressure valve core 63 is sequentially connected with a normal-pressure spring pressing rod 64, a normal-pressure valve rod 65, and a normal-pressure valve head 66. The outer diameter of the normal-pressure valve rod 65 is smaller than that of the normal-pressure spring pressing rod 64 and the normal-pressure valve head 66. The normal-pressure valve rod 65 is slidably arranged in the normal-pressure valve sleeve 61. The normal-pressure valve sleeve 61 is located between the normal-pressure spring pressing rod 64 and the normal-pressure valve head 66. The normal-pressure spring 62 is arranged between the normal-pressure spring pressing rod 64 and the normal-pressure valve sleeve 61. The normal-pressure valve sleeve 61 is provided with an axial channel. When the normal-pressure valve head 66 is in contact with the normal-pressure valve sleeve 61, the normal-pressure valve head 66 seals the axial channel. When the combustion chamber 10 is under negative pressure, the atmospheric pressure will push the normal-pressure valve head 66 open, and air will enter the combustion chamber 10. Embodiment

[0100] On the basis of Embodiment 1, this embodiment further comprises a residual gas discharge assembly. The residual gas discharge assembly comprises an intake control valve 70 and an intake control forced on synchronous movement mechanism. The intake control valve 70 comprises an intake valve sleeve 71, an intake spring 72, and an intake valve core 73. The intake valve sleeve 71 is connected with the outer wall of the cylinder body through a flange and bolts. The intake valve core 73 is slidably arranged in the intake valve sleeve 71. The intake valve core 73 is sequentially connected with an intake spring pressing rod 74, an intake valve rod 75, and an intake valve head 76. The outer diameter of the intake valve rod 75 is smaller than that of the intake spring pressing rod 74 and the intake valve head 76. The intake valve rod 75 is slidably arranged in the cylinder body. The intake spring 72 is arranged between the intake spring pressing rod 74 and the cylinder body. The intake valve head 76 is located at the connecting port of the combustion chamber 10 and the third intake channel 15. When the intake valve head 76 is in contact with the port of the third intake channel 15, the third intake channel 15 is closed. When the intake valve head 76 is lowered to leave the port of the third intake channel 15, the third intake channel 15 is on. The intake control forced on synchronous movement mechanism is in transmission connection with the first pneumatic motor. The intake control forced on synchronous movement mechanism is in contact with the on-spring pressing rod 54 and the intake spring pressing rod 74. The intake control forced on synchronous movement mechanism makes the intake control valve 70 and the forced on valve 50 open and close periodically. Before the forced on valve 50 is closed, the intake control valve 70 is opened, so that high-pressure air can push the residual gas in the combustion chamber 10 out.

[0101] Specifically, the air intake control forced conduction synchronous movement mechanism comprises a frame body 80, a transmission gear set, a synchronous gear set, an exhaust cam 81, and an air intake cam 82. The frame body 80 is connected to the cylinder body by welding or bolts. The frame body 80 is rotatable through a transmission shaft 812, a cam shaft 810, and a cam shaft 811. The output shaft 23 and the output shaft 24 are arranged on the same side of the cylinder body. The transmission gear set comprises a transmission gear 83, a transmission gear 84, a transmission gear 85, a transmission gear 86, and a transmission gear 87. The synchronous gear set comprises a synchronous gear 88 and a synchronous gear 89. The transmission gear 83 is connected to the output shaft 23 outside the cylinder body. The transmission gear 84 is connected to the output shaft 24 outside the cylinder body. The transmission gear 83 is engaged with the transmission gear 24. The transmission gear 85 and the transmission gear 86 are arranged at the two ends of the transmission shaft 812. The transmission gear 85 is engaged with the transmission gear 83. The transmission gear 87 is arranged at the end of the cam shaft 810 close to the transmission gear 86. The transmission gear 87 is engaged with the transmission gear 86. The synchronous gear 88 is arranged at the end of the cam shaft 810 away from the transmission gear 87. The synchronous gear 89 is arranged at the end of the cam shaft 811 close to the synchronous gear 88. The synchronous gear 88 is engaged with the synchronous gear 89. The cam shaft 810 is located above the conduction spring pressure rod 54. The cam shaft 811 is located above the air intake spring pressure rod 74. The exhaust cam 81 is connected to the cam shaft 810 and is located above the conduction spring pressure rod 54, which can press down the conduction spring pressure rod 54. The air intake cam 82 is connected to the cam shaft 811 and is located above the air intake spring pressure rod 74, which can press down the air intake spring pressure rod 74.

[0102] Specifically, the transmission gear 83, the transmission gear 84, the pneumatic gear 21, and the pneumatic gear 22 have the same number of teeth. The cooperation gap between the pneumatic gear 21 and the pneumatic gear 22 is larger than the cooperation gap between the transmission gear 83 and the transmission gear 84. The synchronous rotation of the pneumatic gear 21 and the pneumatic gear 22 is realized through the transmission gear 83 and the transmission gear 84, so that the rotation of the pneumatic gear 21 and the pneumatic gear 22 is not affected by thermal expansion and contraction.

[0103] Specifically, the transmission gear 83, the transmission gear 85, the transmission gear 86, and the transmission gear 87 have different numbers of teeth, which realize deceleration transmission. Through the number of teeth control, the rotation speed ratio of the exhaust cam 81 and the air intake cam 82 to the transmission gear 83 is adjusted. Embodiment

[0104] On the basis of embodiment 2, this embodiment adds a third pneumatic motor and an energy recovery device 102. The third pneumatic motor includes a third pneumatic cavity 90, a pneumatic gear five 91, and a pneumatic gear six 92. The third pneumatic cavity 90 is arranged in the cylinder body and is located between the second pneumatic cavity 30 and the tail gas discharge channel. The third pneumatic cavity 90 is composed of two circular cavities that partially overlap. The pneumatic gear five 91 is rotatably arranged in one of the circular cavities of the third pneumatic cavity 90 through an output shaft five 93. The pneumatic gear six 92 is rotatably arranged in the other circular cavity of the third pneumatic cavity 90 through an output shaft six 94. The pneumatic gear five 91 is engaged with the pneumatic gear six 92. The fourth air inlet channel 95 of the third pneumatic cavity 90 is a bifurcated channel. The two bifurcated ends of the fourth air inlet channel 95 respectively point to the sides of the pneumatic gear five 91 and the pneumatic gear six 92 away from the engagement surface. The common end of the bifurcated fourth air inlet channel 95 is in communication with the fourth air outlet channel 36 of the second pneumatic cavity 30. The fifth air outlet channel 96 of the third pneumatic cavity 90 is in communication with the tail gas outlet. The output shaft five 93 or the output shaft six 94 is connected with the energy recovery device 102. The medium-pressure gas passes through the second pneumatic cavity 30 and becomes low-pressure gas after losing part of the energy. The low-pressure gas drives the pneumatic gear five 91 and the pneumatic gear six 92 to drive the energy recovery device 102.

[0105] Specifically, the fourth air inlet channel 95 is a V-shaped bifurcated channel.

[0106] Further, the energy recovery device 102 is a generator, and the input shaft of the generator is connected with the output shaft five 93 or the output shaft six 94.

[0107] Further, the output shaft five 93 and the output shaft six 94 are arranged on the same side of the cylinder body and are arranged outside the cylinder body. The output shaft five 93 is provided with an outer synchronizing gear one 97, and the output shaft six 94 is provided with an outer synchronizing gear two 98. The outer synchronizing gear one 97 is engaged with the outer synchronizing gear two 98. The outer synchronizing gear one 97, the outer synchronizing gear two 98, the pneumatic gear five 91, and the pneumatic gear six 92 have the same number of teeth. The matching gap between the pneumatic gear five 91 and the pneumatic gear six 92 is larger than the matching gap between the outer synchronizing gear one 97 and the outer synchronizing gear two 98. The synchronous rotation of the pneumatic gear five 91 and the pneumatic gear six 92 is realized through the outer synchronizing gear one 97 and the outer synchronizing gear two 98, so that the rotation of the pneumatic gear five 91 and the pneumatic gear six 92 is not affected by thermal expansion and cold contraction.

[0108] Further, the cylinder is provided with a first buffer cavity 103 between the second gas outlet channel 26 and the second gas inlet channel 35, and a second buffer cavity 104 between the fourth gas outlet channel 36 and the fourth gas inlet channel 95, the volume of the first buffer cavity 103 is greater than that of the second buffer cavity 104, and the pulse impact carried by the gas after passing through the first pneumatic motor is reduced through the first buffer cavity 103 and the second buffer cavity 104, thereby prolonging the pneumatic life. Embodiment

[0109] Based on Embodiment 3, this embodiment provides a cylinder structure, which includes a cast inner cylinder 121, a first side plate 122, and a second side plate 123, and a support 105 is arranged at the lower end of the cylinder.

[0110] Specifically, the combustion chamber 10, the first pneumatic cavity 20, the second pneumatic cavity 30, the third pneumatic cavity 90, the first buffer cavity 103, and the second buffer cavity 104 are all cavities penetrating through the inner cylinder 121, and an assembly cavity penetrating through the inner cylinder 121 is arranged at the communication position of the third gas outlet channel 46 and the third gas inlet channel 15, so as to facilitate the installation of the constant pressure valve 47; the cavities penetratingly arranged are convenient for cleaning carbon deposition and facilitating the threaded connection of the valve head and the valve rod in each valve.

[0111] Specifically, the first side plate 122 and the second side plate 123 are arranged on both sides of the inner cylinder 121 and are connected through bolts and sealed through high-temperature sealing rings.

[0112] Specifically, the overflow valve 48 and the gas conveying pipe 45 are connected with the inner cylinder 121 or the first side plate 122 or the second side plate 123.

[0113] Specifically, the fuel inlet device 11, the igniter 12, and the normal-pressure gas inlet valve 60 are connected with the first side plate 122 or the second side plate 123.

[0114] Specifically, the forced conduction valve 50 and the gas inlet control valve 70 are connected with the inner cylinder 121.

[0115] Specifically, the frame body 80 is connected with the first side plate 122 and the second side plate 123.

[0116] Specifically, all the shafts are rotationally arranged through bearings or shaft sleeves, and the connection of all the gears and the shafts is realized through keys and / or positioning steps and / or positioning caps.

[0117] Specifically, the connection of all the shafts and the shafts is realized through shaft couplings.

[0118] Specifically, all the valve cores are sealed with the cylinder through high-temperature sealing rings. Embodiment

[0119] On the basis of embodiment 4, the output shaft one 23 or the output shaft two 24 passes out of the cylinder body from the end of the transmission gear one 83 and is connected with the clutch one 106, the clutch one 106 is sequentially connected with the double output shaft motor 107, the clutch two 108 and the total power output shaft 109 in turn, and the total power output shaft 109 is erected through the belt bearing.

[0120] Specifically, the double output shaft motor 107 is a three-phase variable frequency asynchronous motor, which is convenient for electric control, and the double output shaft motor 107 is powered by a battery or a power grid.

[0121] Specifically, the total power output shaft 109 is provided with a Hall element for speed detection.

[0122] Among them, the clutch is used to prevent overload.

[0123] Working principle:

[0124] When starting, the double output shaft motor 107 drives the output shaft one 23 or the output shaft two 24 to rotate, and through the transmission gear set, the exhaust cam 81 and the intake cam 82 are rotated, the forced on valve 50 is periodically opened, the first pneumatic motor sucks the combustion chamber 10 to negative pressure, the normal pressure intake valve 60 is opened, the airflow drives the second pneumatic motor, the air compression assembly outputs compressed air to the high pressure air cavity 42, when the pressure in the high pressure air cavity 42 is greater than the pressure of the constant pressure valve 47, the gas in the high pressure air cavity 42 enters the combustion chamber 10 when the intake control valve 70 is opened, because the opening state of the normal pressure intake valve 60 overlaps with the opening state of the intake control valve 70, the gas in the high pressure air cavity 42 enters the combustion chamber 10, in this process, the output power of the double output shaft motor 107 is significantly lower than the power when the constant pressure valve 47 is closed, and the control system enters the ignition state through the power change.

[0125] The forced on valve 50 is closed, the intake control valve 70 is maintained open, the high pressure air is fully entered into the combustion chamber 10, after the intake control valve 70 is also closed, the fuel inlet 11 sprays high pressure oil mist into the combustion chamber 10, the spark generator 12 ignites and explodes the oil mist in the combustion chamber 10, the explosion gas opens the high pressure valve 13 and enters the first intake passage 25, pushes the pneumatic gear one 21 and the pneumatic gear two 22, the explosion gas is reduced from high pressure gas to medium pressure gas and enters the second intake passage 35, pushes the pneumatic gear three 31 and the pneumatic gear four 32, drives the air compression assembly to output compressed air to the high pressure air cavity 42, maintains the pressure, the medium pressure gas is reduced to low pressure gas and enters the fourth intake passage 95, pushes the pneumatic gear five 91 and the pneumatic gear six 92, drives the energy recovery device 102 to generate electricity, and stores the electric energy into the battery, and the low pressure gas becomes tail gas and is discharged through the purifier 101.

[0126] The gas pressure of the explosion chamber 10 gradually decreases, the remaining exhaust gas cannot open the high-pressure valve 13, the exhaust cam 81 forces the opening of the valve 50, and the remaining exhaust gas is discharged, before the exhaust cam 81 closes the forced opening valve 50, the intake cam 82 opens the intake control valve 70, the high-pressure air in the high-pressure air chamber 42 pushes the remaining exhaust gas out of the explosion chamber 10, then the forced opening valve 50 is closed and the intake control valve 70 is kept open, so that the high-pressure air fully enters the explosion chamber 10, after the intake control valve 70 is also closed, the fuel inlet device 11 sprays high-pressure oil mist into the explosion chamber 10, and the igniter 12 ignites the oil mist in the explosion chamber 10 to explode, and the cycle operation is entered.

[0127] When the electric quantity stored in the battery reaches the set high voltage threshold, the charging is stopped, the frequency of the frequency converter is adjusted to drive the double-shaft motor 107 according to the total power output shaft speed measured by the Hall element on the total power output shaft 109, and the electric energy in the battery is released, at this time, the double-shaft motor 107 and the internal combustion engine drive the total power output shaft 109 at the same time, and when the electric quantity of the battery decreases to the low voltage threshold, the double-shaft motor 107 is powered off and switched to a full fuel driving state.

[0128] The clutch can also be an electromagnetic clutch that can be actively controlled, so that the double-shaft motor 107 is disconnected from the total power output shaft 109 during starting, and all energy is used for starting the internal combustion engine, and the double-shaft motor 107 is connected to the total power output shaft 109 after the internal combustion engine is started, and power is output.

[0129] The lubricating oil path system, the cooling system, the heat exchange system, the cam ignition synchronization system, the fuel spray system, the silencing system and the speed regulation system are implemented according to the prior art, and will not be described herein again; the drawings provided by the patent can save space as a single machine design, and a mirror image right part can be made, and one right part is symmetrically arranged to reduce vibration and noise, which is also within the protection scope of the patent application.

[0130] In the application, parts that are not discussed in detail and the connection modes of the parts in the application are all known technologies in the technical field, which can be directly applied and will not be described herein again.

[0131] In the utility model, the term "a plurality of" refers to two or more than two, unless otherwise specified. The terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense. For example, "connection" can be fixed connection, or detachable connection, or integral connection. "Connection" can be direct connection, or indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0132] In the description of the utility model, it is understood that the terms "upper", "lower", "left", "right", "front", "rear" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0133] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "a specific embodiment" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description 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.

[0134] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and the utility model can have various changes and changes for those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gear motor type internal combustion engine characterized by, The explosion assembly, the first pneumatic motor, the second pneumatic motor, the air compression assembly, the starting air inlet assembly are included. The gas outlet of the explosion assembly is communicated with the air inlet of the first pneumatic motor. The gas outlet of the first pneumatic motor is communicated with the air inlet of the second pneumatic motor. The second pneumatic motor is drivingly connected with the air compression assembly. The gas outlet of the air compression assembly is communicated with the air inlet of the explosion assembly. The starting air inlet assembly is communicated with the explosion assembly.

2. A gear motor type internal combustion engine according to claim 1, characterized by Further comprising a cylinder body; the explosion assembly comprises an explosion chamber, a fuel inlet device and an igniter; The explosion chamber is arranged in the cylinder body; The fuel inlet device is arranged on the outer wall of the cylinder body, and the fuel inlet device is communicated with the explosion chamber; The igniter is arranged on the outer wall of the cylinder body, and the igniter is communicated with the explosion chamber; The first gas outlet channel of the explosion chamber is provided with a high-pressure valve, which is opened when the explosion chamber gas explosion generates high pressure.

3. A gear motor type internal combustion engine according to claim 2, characterized by The first pneumatic motor comprises a first pneumatic cavity, a pneumatic gear one and a pneumatic gear two; The first pneumatic cavity is arranged in the cylinder body, the pneumatic gear one is rotatably arranged in the first pneumatic cavity through an output shaft one, the pneumatic gear two is rotatably arranged in the first pneumatic cavity through an output shaft two, and the pneumatic gear one is engaged with the pneumatic gear two; The first pneumatic cavity is provided with a first air inlet channel and a first air outlet channel. The second pneumatic motor comprises a second pneumatic cavity, a pneumatic gear three and a pneumatic gear four; The second pneumatic cavity is arranged in the cylinder body, the pneumatic gear three is rotatably arranged in the second pneumatic cavity through an output shaft three, the pneumatic gear four is rotatably arranged in the second pneumatic cavity through an output shaft four, and the pneumatic gear three is engaged with the pneumatic gear four; The second pneumatic cavity is communicated with the second air outlet channel of the first pneumatic cavity through a second air inlet channel. The cylinder body is provided with an exhaust outlet, and the second pneumatic cavity is communicated with the exhaust outlet through an exhaust discharge channel.

4. A gear motor type internal combustion engine according to claim 3, characterized by The air compression assembly comprises a gas pump housing, an air compression cavity, a high-pressure air cavity, a gas pump gear one and a gas pump gear two; The gas pump housing is connected with the outer wall of the cylinder body, the air compression cavity is arranged in the gas pump housing, the output shaft three and the output shaft four penetrate into the air compression cavity, the gas pump gear one is connected with the output shaft three in the air compression cavity, the gas pump gear two is connected with the output shaft four in the air compression cavity, and the gas pump gear one is engaged with the gas pump gear two; the gas pump gear one, the gas pump gear two, the pneumatic gear three and the pneumatic gear four have the same number of teeth; The gas pump housing is provided with an air inlet at one end where the gas pump gear one and the gas pump gear two are disengaged, and is provided with an air outlet at one end where the gas pump gear one and the gas pump gear two are engaged. The high-pressure air cavity is arranged in the cylinder body, the air outlet is communicated with the high-pressure air cavity through a gas conveying pipe, a one-way air inlet valve is arranged between the gas conveying pipe and the cylinder body, a third air outlet channel of the high-pressure air cavity is provided with a constant pressure valve, and the third air outlet channel is communicated with a third air inlet channel of the explosion chamber.

5. A gear motor type internal combustion engine according to claim 4, characterized by The starting air inlet assembly comprises a forced conduction valve and a normal pressure air inlet valve. The combustion chamber is provided with a bypass channel, the bypass channel is communicated with the first air inlet channel, the forced conduction valve is located in the bypass channel, and the forced conduction valve can force the combustion chamber to be communicated with the first pneumatic cavity; The cylinder is provided with a normal-pressure air inlet hole, the normal-pressure air inlet hole is communicated with the combustion chamber, the normal-pressure air inlet valve is arranged in the normal-pressure air inlet hole, when the combustion chamber is in negative pressure, the normal-pressure air inlet valve is opened to enable air to enter the combustion chamber.

6. A gear motor type internal combustion engine according to claim 5, characterized by The forced conduction valve comprises a conduction spring and a conduction valve core; The conduction valve core is slidably arranged in the conduction valve sleeve, the conduction valve core comprises a conduction spring pressing rod, a conduction valve rod and a conduction valve head which are sequentially connected, and the outer diameter of the conduction valve rod is smaller than the outer diameters of the conduction spring pressing rod and the conduction valve head; The conduction valve head is slidably arranged in the cylinder, the cylinder is provided with a conduction spring seat between the conduction valve head and the conduction spring pressing rod, and the conduction spring is arranged between the conduction spring pressing rod and the conduction spring seat; The conduction valve head is provided with a blind hole at an end away from the conduction valve rod, and a side hole is arranged at the bottom of the blind hole and communicated with the side wall of the conduction valve head; When the conduction valve head is in contact with the conduction spring seat, the conduction valve head seals the bypass channel, and when the conduction valve head is away from the conduction spring seat, the blind hole and the side hole enable the combustion chamber to be communicated with the bypass channel.

7. A gear motor type internal combustion engine according to claim 6, characterized by Further comprising a residual gas discharge assembly, the residual gas discharge assembly comprises an air inlet control valve and an air inlet control forced conduction synchronous movement mechanism; The air inlet control valve comprises an air inlet spring and an air inlet valve core; The air inlet valve core comprises an air inlet spring pressing rod, an air inlet valve rod and an air inlet valve head which are sequentially connected, and the outer diameter of the air inlet valve rod is smaller than the outer diameters of the air inlet spring pressing rod and the air inlet valve head; The air inlet valve rod is slidably arranged in the cylinder, the air inlet spring is arranged between the air inlet spring pressing rod and the cylinder, and the air inlet valve head is located at a connecting port of the combustion chamber and the third air inlet channel; When the air inlet valve head is in contact with the third air inlet channel port, the third air inlet channel is closed, and when the air inlet valve head is lowered away from the third air inlet channel port, the third air inlet channel is opened; The air inlet control forced conduction synchronous movement mechanism is in transmission connection with the first pneumatic motor, and the air inlet control forced conduction synchronous movement mechanism is in contact with the conduction spring pressing rod and the air inlet spring pressing rod. The air inlet control forced conduction synchronous movement mechanism enables the air inlet control valve and the forced conduction valve to be periodically opened and closed, and before the forced conduction valve is closed, the air inlet control valve is opened, so that high-pressure air can extrude residual gas in the combustion chamber.

8. A gear motor type internal combustion engine according to claim 7, characterized by The air inlet control forced conduction synchronous movement mechanism comprises a frame, a transmission gear set, a synchronous gear set, an exhaust cam and an air inlet cam; The frame is connected with the cylinder, the frame is rotatably provided with cam shafts one and two, the synchronous gear set comprises synchronous gears one and two, the transmission gear set comprises transmission gears one and two and a speed reduction gear set, and output shafts one and two are arranged on the same side of the cylinder and protrude out of the cylinder; The transmission gear one is connected with the output shaft one outside the cylinder, the transmission gear two is connected with the output shaft two outside the cylinder, the transmission gears one and two are in meshing, and the transmission gears one and two, the pneumatic gears one and two have the same number of teeth. The first synchronization gear is arranged at one end of the first camshaft, and the second synchronization gear is arranged at one end of the second camshaft close to the first synchronization gear, and the first synchronization gear is engaged with the second synchronization gear; The first transmission gear or the second transmission gear is connected with the first synchronization gear or the second synchronization gear through a reduction gear set, and the reduction gear set is arranged on the frame; The first camshaft is located above the on-off spring pressing rod, the exhaust cam is connected with the first camshaft, and the exhaust cam is located above the on-off spring pressing rod and can press down the on-off spring pressing rod; The second camshaft is located above the intake spring pressing rod, the intake cam is connected with the second camshaft, and the intake cam is located above the intake spring pressing rod and can press down the intake spring pressing rod.

9. A gear motor type internal combustion engine according to claim 3, characterized by It also includes a third pneumatic motor and an energy recovery device; The third pneumatic motor includes a third pneumatic cavity, a pneumatic gear five and a pneumatic gear six; The third pneumatic cavity is arranged in the cylinder body, the third pneumatic cavity is located between the second pneumatic cavity and the tail gas discharge channel, the pneumatic gear five is rotatably arranged in the third pneumatic cavity through an output shaft five, the pneumatic gear six is rotatably arranged in the third pneumatic cavity through an output shaft six, and the pneumatic gear five is engaged with the pneumatic gear six; The fourth intake channel of the third pneumatic cavity is in communication with the fourth exhaust channel of the second pneumatic cavity, and the fifth exhaust channel of the third pneumatic cavity is in communication with the tail gas discharge channel, The output shaft five or the output shaft six is in transmission connection with the energy recovery device; The output shaft five and the output shaft six are arranged on the same side of the cylinder body, the output shaft five is provided with an outer synchronization gear one outside the cylinder body, the output shaft six is provided with an outer synchronization gear two outside the cylinder body, the outer synchronization gear one is engaged with the outer synchronization gear two, and the outer synchronization gear one, the outer synchronization gear two, the pneumatic gear five and the pneumatic gear six have the same number of teeth; The cylinder body is provided with a first buffer cavity between the second exhaust channel and the second intake channel, and is provided with a second buffer cavity between the fourth exhaust channel and the fourth intake channel.

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