CN104675517B - Serialized modularized horizontal direct facing H type four linkage engine - Google Patents

Abstract

The invention discloses a serialized modularized horizontally opposed H-type quadruple engine, which comprises a horizontally opposed multi-connected H-type piston assembly, a crank slider mechanism, a cylinder assembly and a casing; a horizontally opposed multi-connected H The type piston assembly includes H-type piston frame and four pistons, the four pistons are integrally structured with the H-type piston frame (the four pistons are heterogeneously cast at the end of the H-type piston frame), and each piston ring groove is installed separately. Gas ring and oil ring assembly; crank slider mechanism includes crankshaft, counterweight and slider; cylinder assembly includes cylinder, cylinder head, cam valve mechanism and cylinder liner. The working principle is that the starting motor drives the crankshaft to rotate, and drives the crank-slider mechanism to make a circular motion, guided by the sliding surface of the slider and the horizontally opposed multi-connected H-type piston assembly, and converts the circular motion of the crank-slider into the reciprocating motion of the piston. , The double timing sprocket drives the left and right cams and gas distribution mechanisms to work, so that the four cylinders of the engine are cycled in turn to complete the suction, compression, ignition work and exhaust work. The present invention adopts the structural layout of horizontally opposed unit modules, which is characterized in that two pistons are opposed horizontally.

Description

Serialized modular horizontally opposed H-type quadruple engine

technical field

The invention relates to an engine, in particular to a serialized modular horizontally opposed H-type quadruple engine.

Background technique

Nowadays, there are various engines and the technology is very mature, but there are disadvantages such as heavy weight, many parts, long design cycle, complex processing technology, long production cycle, high manufacturing cost, difficulty in realizing modules and serialization, etc., and it is difficult to meet the growing market. variety and breadth of needs. The world's automobile industry has developed for more than one hundred years. Although my country has developed into the country with the largest automobile production and sales in the world, almost all automobile engine technologies are imported and borrowed foreign technologies. Therefore, the author hopes that through his own efforts and industry engineering technology The importance of personnel, and jointly realize the Chinese dream of the world's largest automobile design and manufacturing country.

In order to solve the above problems, the present invention provides a series of modular horizontally opposed H-type quadruple engines.

Contents of the invention

The purpose of the present invention is to provide a kind of serialized modularized horizontal opposite H-type quadruple engine here; The structure of the opposed engine is optimized, which solves the disadvantages of large volume and weight, many parts, long design cycle, complicated processing technology, long production cycle, high manufacturing cost, difficulty in realizing modules and serialization, etc., and can meet the growing market demand. variety and breadth of needs.

The present invention is achieved by constructing a serialized modular horizontally opposed H-type quadruple engine, including a transmission main body and a casing; the transmission main body includes a horizontally opposed multi-connected H-type piston assembly, a crank slider mechanism and cylinder assembly.

According to the serialized modular horizontally opposed H-type quadruple engine of the present invention; the horizontally opposed multi-connected H-type piston assembly includes an H-type piston frame assembly (heterogeneous casting piston); the H-type piston frame is provided with a rectangular There are four piston rods on both sides, and a heterogeneous casting groove is provided on the top of the piston rod; the piston and the H-shaped piston frame form a heterogeneous casting whole. This structure is an innovative structure that replaces the traditional crank connecting rods at home and abroad. The mechanism greatly reduces the variety and quantity of parts. The middle rectangular hole (which can be composed of various planes or curved surfaces) is used for the sliding of the slider. The rectangular slider structure realizes the one-way guidance of the horizontal left and right movement of the piston.

The slider crank mechanism includes a crankshaft, a crankshaft counterweight and a slider assembly;

The cylinder assembly includes two cylinder blocks, two cylinder heads, two sets of cam valve trains and four cylinder liners.

According to the serialized modularized horizontally opposed H-type quadruple engine of the present invention, the two ends of the crankshaft are supporting ends, and the supporting ends cooperate with spherical roller bearings; The hour sprocket; the eccentric part between the counterweight and the shaft shoulder; an independent counterweight is installed on the shaft shoulder. Through the designed double-connected timing sprocket and chain, the left and right sets of cam and gas distribution mechanisms work to complete the four-stroke continuous movement.

According to the serialized modularized horizontally opposed H-type quadruple engine of the present invention, the slider is formed by the cooperation of two identical small sliders, and the two small sliders are matched together by an 8-shaped link pin installed in the keyway, And fasten with screws. Two small sliders are combined into a large slider through the 8-shaped connecting pin, and the screw is used to fix the 8-shaped connecting pin, so that the two small sliders are linked more closely and reliably.

According to the serialized modular horizontally opposed H-type quadruple engine of the present invention, the cylinder body is provided with two cylinder mounting holes and a plurality of threaded holes; the cylinder body, the box body and the cylinder head are connected by threaded holes and screw rods Together, a sealing ring and a sealing ring are arranged between them to ensure that the lubricating oil and coolant in the box do not leak out.

According to the serialized modular horizontally opposed H-type quadruple engine of the present invention, it is characterized in that: the cylinder head is provided with timing chain passing holes, the eight concave holes are valve seat ring holes, and the eight convex holes are valve guides Holes, two large holes A and two large holes B form an exhaust suction system interface.

According to the serialized modularized horizontally opposed H-type quadruple engine of the present invention, a piston hole is provided in the middle of the cylinder liner, and a reinforcing rib is provided on the back; The cover fits, and there is a sufficient gap in the middle; in this gap, the coolant delivered by the cooling pump realizes the circulating cooling of the engine.

According to the serialized modularized horizontally opposed H-type quadruple engine of the present invention, the box body includes a front box body and a rear box body; the front box body is provided with a bearing hole, and a plurality of triangular ribs are arranged outside the bearing hole; There are two semicircular holes and timing chain passage holes on the left and right sides of the box body; bearing holes are set on the rear box body, and multiple triangular ribs are arranged on the outside of the bearing holes; two Semicircular holes; the combination of semicircular holes in the front and rear boxes forms a full circle (the cylinder block passes through the holes).

After the improvement, the present invention effectively reduces the volume and weight of the four-cylinder engine significantly, by more than 60% and 40% respectively; it reduces the types and quantities of parts of the traditional engine, such as canceling the connecting rod mechanism and its auxiliary parts and bearing assembly ; Avoid the ills caused by the working inertia of the connecting rod mechanism; replace the multi-crank crankshaft (single-set four-cylinder model) with a single crank crankshaft, which reduces the effective length of the crankshaft and reduces the axial length and weight of the engine by 70% and 50% respectively , while reducing the difficulty and cost of crankshaft manufacturing; due to the horizontally opposed structure, the left and right pistons guide each other, which increases the guiding stability and saves the length of the piston guiding skirt, reducing the length and weight of the piston by 50% respectively and 40%, which not only reduces the friction between the piston skirt and the cylinder liner. It also reduces the effect of the working inertia of the piston. At the same time, the absence of the piston guide skirt can also reduce the working length of the cylinder block, making the cylinder block smaller in size and more compact in structure and weight. It is estimated that the present invention reduces the number of parts by 20%, reduces the axial length of the engine by 70%, and the horizontal width of the present invention reduces the length of the piston guide skirt by 2 times compared with the current popular horizontally opposed engine, reduces weight by more than 40%, reduces the number of parts, Reduced volume and weight, together with factors such as the centralized work of each piston arrangement, can increase the effective output power of the engine, and can also reduce the warm-up time in winter.

According to the serialized modularized horizontally opposed H-type quadruple engine of the present invention, serialized modularized power configuration can be realized, and the output power can be adjusted in a small range by only changing the crank radius of the crankshaft to realize the output power series module change ( The changed parts are only the radius of the crankshaft, the length of the cylinder block and the length of the timing chain); adjusting the output power in a wide range can change the size of the H-type piston frame and the diameter of the piston; the above two adjustment methods can realize multiple groups in parallel to N times single group Four-cylinder multi-group models (that is, on the basis of the prototype of the four-cylinder engine, series of module changes such as eight-cylinder engine, twelve-cylinder engine or sixteen-cylinder engine can be realized). Because the machine of the present invention is small in size and light in weight, it is beneficial to realize the popularization of oil-electric hybrid environment-friendly automobiles.

The present invention also has the following advantages:

Advantage 1: The present invention adopts a horizontally opposed unit module structure layout, and two pistons are horizontally opposed.

Advantage 2: the invention greatly reduces the volume and weight of the traditional engine, and reduces the number of parts through reasonable design.

Advantage 3: The present invention adopts the combined use of the crank-slider mechanism and the H-type piston frame, which can simply make the engine complete four working cycles of multiple cylinders suction, compression, exhaust, and work.

Advantage 4: Adjusting the output power in a small range only needs to change the crank radius of the crankshaft to realize the change of the output power series modules; adjusting the output power in a large range can change the size of the H-type piston frame and the diameter of the piston; both of the above two adjustment methods can realize multiple sets Parallel connection is N times single-group four-cylinder multi-group models.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention

Fig. 2 is a longitudinal sectional view of the present invention

Fig. 3 is a transverse sectional view of the present invention

Fig. 4 is the front view of the present invention

Fig. 5 is the left view of the present invention

Fig. 6 is a schematic diagram of the cylinder head of the present invention

Fig. 7 is a schematic diagram of another orientation of the cylinder head of the present invention

Fig. 8 is a crankshaft schematic diagram of the present invention

Fig. 9 is a schematic diagram of a cylinder body of the present invention

Fig. 10 is a schematic diagram of the front box body of the present invention

Figure 11 is a schematic diagram of the rear box of the present invention

Fig. 12 is a schematic diagram of an independent counterweight of the present invention

Fig. 13 is a schematic diagram of a small slider of the present invention

Fig. 14 is the 8-shaped connection pin of the present invention

Fig. 15 is a schematic diagram of the cylinder liner of the present invention

Fig. 16 is a schematic diagram of the H-type piston frame of the present invention

The internal schematic diagram of the present invention corresponding to Fig. 17

Figure 18-19 is a schematic diagram corresponding to the slider assembly

Among them: 1. crankshaft; 1a, double timing sprocket; 1b, front support; 1c, fast counterweight; 1d, eccentric part; 1e, shaft shoulder; 1f, rear support; 2, cylinder head; 2a, timing Chain passing hole; 2b, concave hole (valve seat ring hole); 2c, convex hole (valve guide hole); 2d, large hole is exhaust A; 2e, large hole is suction B;

3. Cylinder body; 3a, timing chain passing hole; 3b, cylinder installation hole; 3c, threaded hole;

4. Front box body; 4a, bearing hole A; 4b, triangular rib plate; 4c, semicircular hole A; 4d, timing chain passing hole;

5. Self-aligning roller bearing; 6. Independent counterweight;

7. H-shaped piston frame; 7a, rectangular hole; 7b, piston rod; 7c, heterogeneous casting groove;

8. Slider assembly; 8a, small slider; 8b, keyway; 9, 8-shaped link pin; 10, rear box; 10a, bearing hole B; 10b, triangular rib B; 10c, semicircular hole B; 11, screw rod; 12, piston; 13, cylinder liner; 13a, circular flange; 13b, piston hole.

detailed description

The present invention will be described in detail below in conjunction with accompanying drawings 1-17, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in the figure, the present invention provides a serialized modularized horizontally opposed H-type quadruple engine, including a transmission body and a casing; the transmission body includes a horizontally opposed multi-connected H-type piston assembly, a crank slider mechanism, two sets of cam valve train and cylinder assembly.

The serialized modularized horizontally opposed H-type quadruple engine of the present invention, the horizontally opposed multi-connected H-type piston assembly includes an H-type piston frame 7 and a piston 12; the middle of the H-type piston frame 7 is provided with a rectangular hole 7a, The H-shaped piston frame 7 is provided with a rectangular hole 7a in the middle, four piston rods 7b are provided at both ends, and the top of the piston rod 7b is provided with a heterogeneous casting groove 7c; the piston 12 is heterogeneously cast in the heterogeneous casting groove 7c; or Use other connection methods.

In the serialized modular horizontally opposed H-type quadruple engine described in the invention, the crank-slider mechanism includes a crankshaft 1 , a crankshaft counterweight 6 and a slider 8 . The serialized modularized horizontally opposed H-type quadruple engine of the present invention, the two ends of the crankshaft 1 are supporting ends, and the supporting ends cooperate with the spherical roller bearing 5; The two timing sprockets 1a complete the work of the left and right steam distribution mechanisms; the eccentric part 1d is between the counterweight 1c and the shaft shoulder 1e; an independent counterweight 6 is installed at the shaft shoulder 1e. The serialized modularized horizontally opposed H-type quadruple engine of the present invention, the slider 8 is composed of two identical small sliders 8a, and the two small sliders 8a are formed by an 8-shaped link pin 9 installed in the keyway 8b. Fit together and fasten with screw rod 11. The serialized modular horizontally opposed H-type quadruple engine of the present invention, the cylinder assembly includes two cylinder blocks 3 , two cylinder heads, two sets of cam valve trains 2 and four cylinder liners 13 .

According to the serialized modular horizontally opposed H-type quadruple engine of the present invention, the cylinder block 3 is provided with a timing chain passing hole 3a, two cylinders 3b and a plurality of threaded holes 3c; pit. The serialized modularized horizontally opposed H-type quadruple engine of the present invention, the cylinder head 2 is provided with a timing chain passing hole 2a, eight concave holes are valve seat ring holes 2d, and eight convex holes are valve guide holes 2c , two large holes A2d for exhaust and two large holes B2e for suction.

According to the serialized modular horizontally opposed H-type quadruple engine of the present invention, it is characterized in that: a piston hole 13b is arranged in the middle of the cylinder liner 13, and a circular flange 13a is arranged on the back; the piston hole 13b cooperates with the piston, and the cylinder Cover 13 cooperates with cylinder head 2, and there is a certain gap in the middle. The serialized modularized horizontally opposed H-type quadruple engine of the present invention is characterized in that: the box body includes a front box body 4 and a rear box body 10; the front box body 4 is provided with a bearing hole A4a, and the inner side of the bearing hole A4a is provided with There are a plurality of triangular ribs A4b; two semicircular holes A4c and square holes 4d are provided on the left and right sides of the front box 4; the rear box 10 is provided with a bearing hole B10a, and a plurality of triangular ribs are provided inside the bearing hole B10a Plate B10b; two semicircular holes B10c are provided on the left and right sides of the rear box body 10; the semicircular hole B10c and the semicircular hole A4c are combined to form a complete circle (the cylinder body passes through the hole).

In actual implementation, serialized and modularized power can be realized, and the output power can be adjusted in a small range only by changing the crank radius of the crankshaft to realize the change of the output power series modules (the changed parts are only the radius of the crankshaft crank, the length of the cylinder block and the timing chain. length); adjusting the output power in a large range can change the size of the H-type piston frame and the diameter of the piston; both of the above two adjustment methods can realize multi-group parallel connection to N times single-group four-cylinder multi-group models (that is, the realization of four-cylinder models on the basis of prototypes) Eight-cylinder engine, twelve-cylinder engine or sixteen-cylinder engine and other series of module changes), the crankshaft 1 is processed into a crankshaft that meets the requirements of a multi-row cylinder engine.

According to the application of the present invention, multiple engines can be formed, and the multiple engines have wide versatility: they are fully applicable to all engines (four strokes, two strokes can also be expanded to six strokes) and piston air compressors, and their fuels include liquid, Gas state, various mature new technologies of existing internal combustion engines (such as: valve control technology, fuel control technology, supercharging technology and diesel engine high-pressure common rail technology, etc.) can be transplanted into serialized modular horizontally opposed H-type quadruple engines Medium (with sufficient space and installation location), it can be used for military, industrial, agricultural, civil, automobile (motorcycle), ship and other power equipment and other power devices.

The serialized modular horizontally opposed H-type quadruple engine is a horizontally opposed unit module structure layout, which is characterized by two horizontally opposed pistons in an H shape, consisting of a crankcase, self-aligning roller bearings, crankshaft, crank Slider, horizontally opposed multi-piston linkage mechanism (hereinafter referred to as linkage mechanism), left and right cylinder blocks, left and right cylinder heads, gas distribution mechanism (this patent mainly focuses on four-stroke gasoline internal combustion engines), starter motors and generators, etc. Its working principle is that the crankshaft is driven by the starting motor to rotate, and the crank slider is driven to make a circular motion, and the sliding surface (which can be a plane or a curved surface) of the crank slider and the horizontally opposite multi-piston assembly (hereinafter referred to as the piston assembly) is guided , the circular motion of the crank slider is converted into the reciprocating motion of the piston assembly, so that the four cylinders of the engine are cycled in sequence to complete the suction, compression, ignition work and exhaust work process to achieve normal start. After starting, the piston is the active part, which pushes the energy of violent combustion to a certain piston end face of the piston assembly, and realizes horizontal reciprocating movement under the constraint of the crank slider, that is, to complete the work of 1 cylinder, the compression of 2 cylinders, the exhaust of 3 cylinders, The 4-cylinder inhales four working cycles, and the power and torque are output by the crankshaft.

The core mechanism of the present invention replaces the crank-connecting rod mechanism and its accessories of the traditional engine, optimizes the structure of the traditional in-line engine, V-type engine and horizontally opposed engine, and solves the problem of large volume and weight of the engine, many parts and difficult design. Long cycle, complex processing technology, long production cycle, high manufacturing cost, and difficulty in realizing modules and serialization to quickly meet the growing diversity and extensive needs of the market. The use of the core mechanism effectively reduces the volume and weight of the engine (both compared with the inline four-cylinder engine) (more than 60% and 40% respectively); the number of parts of the traditional engine is reduced (the connecting rod mechanism and its auxiliary parts are cancelled) and bearing assembly) to avoid the disadvantages caused by the working inertia of the connecting rod mechanism; the single crank crankshaft replaces the multi crank crankshaft, which reduces the effective length of the crankshaft, reduces the axial length and weight of the engine by 70% and 50% respectively, and reduces the crankshaft machining Difficulty and cost of manufacturing; Due to the horizontally opposed structure, the left and right pistons guide each other, which increases the guiding stability and omits the piston guiding skirt, reduces the length and weight of the piston by 50% and 40% respectively, and reaches The effect of reducing the working inertia of the piston, and the absence of the piston guide skirt can also reduce the working length of the cylinder block, making the cylinder block smaller in size and more compact in structure and weight. It is expected that the patented multi-connected internal combustion engine will reduce the number of parts by 20%, reduce the axial length of the engine by 70%, reduce the horizontal width by 2 times the length of the piston guide skirt of the current popular horizontally opposed engine, and reduce the weight by more than 40%. Factors such as volume and weight reduction, as well as the centralized work of each piston arrangement can improve the effective output power of the engine. Because the multi-connected internal combustion engine is small in size and light in weight, it is beneficial to realize the popularization of oil-electric hybrid environment-friendly vehicles.

The serialized modularized horizontally opposed H-type quadruple engine corresponding to the present invention can divide the piston assembly into diameter series fixed-size basic parts, change the diameter size of the crankshaft rotation and supplementary module superposition to obtain different levels and different output powers The multi-engine series can realize the serialization and modularization of the power configuration of ultra-light, light, medium, heavy, and extra-heavy internal combustion engines. To meet the power requirements of power devices in many fields such as military, industrial, agricultural, civil, automobile (motorcycle), ships and other power equipment.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. the straight and even opposed H types tetrad electromotor of a kind of seriation modular water, it is characterised in that：Including transmission main body and casing； Transmission main body includes the just opposed multi-joint H types piston component of level, slider-crank mechanism and cylinder assembly；

The just opposed multi-joint H types piston component of the level includes H type piston shelfs（7）And piston（12）；H type piston shelfs（7）It is middle It is provided with rectangular opening（7a）, around it is provided with four piston rods（7b）, piston rod（7b）Top is provided with heterogeneous casting groove（7c）；Piston （12）Heterogeneous pouring casts from heterogeneous casting groove（7c）Place；

The slider-crank mechanism includes bent axle（1）, bent axle independence balancing weight（6）And slide block assembly（8）；

The cylinder assembly includes two cylinder bodies（3）, two cylinder head（2）, and four cylinder jacket（13）；

The bent axle（1）Two ends are support end, support end and self-aligning roller bearing（5）Coordinate；Front support end（1b）With balancing weight （1c）Between be provided with duplex timing sprocket（1a）It is connected with the left and right institution of distributing gas by timing chain；Independent balancing weight（6）With axle Shoulder（1e）Fastened using screw with merging.

2. the straight and even opposed H types tetrad electromotor of seriation modular water according to claim 1, it is characterised in that：Slide block group Part（8）By two identical small slide blocks（8a）Coordinate and constitute, two small slide blocks（8a）By installed in keyway（8b）In 8-shaped link Pin（9）It is combined together, and uses screw rod（11）Fastening.

3. the straight and even opposed H types tetrad electromotor of seriation modular water according to claim 1, it is characterised in that：Cylinder body（3） Timing chain is provided with by hole（3a）, two cylinder mounting holes（3b）, cylinder mounting holes（3b）Minimum diameter is maximum with cylinder jacket Major diameter fit, cylinder pilot hole（3b）Inside is provided with formation space between multiple pits and cylinder jacket minimum outer diameter and follows for coolant Annular space, multiple screwed holes（3c）For installing hole.

4. the straight and even opposed H types tetrad electromotor of seriation modular water according to claim 1, it is characterised in that：Cylinder head （2）It is provided with through hole and passes through hole for timing chain（2a）, eight shrinkage pools（2b）For valve retainer hole, eight projecting apertures（2c）Lead for valve Pore, two macropore A（2d）For steam vent and two macropore B（2e）Air inlet.

5. the straight and even opposed H types tetrad electromotor of seriation modular water according to claim 1, it is characterised in that：Cylinder jacket （13）Centre is provided with piston hole（13b）, back is provided with round flange（13a）For reinforcement；Piston hole（13b）With piston, piston Ring coordinates；Cylinder jacket（13）With the cylinder-bore in cylinder block（3b）And cylinder head（2）Coordinate；There is gap in the middle of which for coolant The cyclic space.

6. the straight and even opposed H types tetrad electromotor of seriation modular water according to claim 1, it is characterised in that：The case Body includes front casing（4）And rear box（10）；Front casing（4）It is provided with dead eye A（4a）, dead eye A（4a）Outside is provided with multiple Triangular stall board（4b）；Front casing（4）The left and right sides is respectively provided with two semi-circular holes（4c）Pass through hole with timing chain（4d）；Rear box （10）It is provided with dead eye B（10a）, dead eye B（10a）Outside is provided with multiple triangular stall boards（10b）；Rear box（10）The left and right sides It is respectively provided with two semi-circular holes B（10c）；Semi-circular hole B（10c）With semi-circular hole A（4c）Combine as a full circle, shape Pass through hole into cylinder block.