CN210919259U - Explosion-proof automobile engine cylinder lid - Google Patents

Abstract

The utility model discloses an explosion-proof automobile engine cylinder cover, which comprises a cylinder cover body, wherein a tail gas pipe and a water channel are arranged in the cylinder cover body, a water-cooling pipe is embedded on the side wall of the tail gas pipe, the water outlet end of the water-cooling pipe is communicated with the water channel, the water inlet end of the water-cooling pipe is communicated with a connecting pipe, one side of the top end of the cylinder cover body is communicated with a second water inlet hole, and one end of the connecting pipe, which is far away from the water-cooling pipe, is communicated with the; the utility model discloses a second inlet opening pours into the cooling water into, the cooling water gets into the water-cooling pipe through the connecting pipe, because the water-cooling pipe is direct and the intraductal high temperature waste gas contact of tail gas, can directly take away the heat of the intraductal tail gas of tail gas, improve the speed that the tail gas heat distributes, can realize rapid cooling, and pour into cold water into in to the water course through first inlet opening, cold water can directly siphon away the heat that the intraductal waste gas of tail gas distributes, supplementary cold water pipe cools down the processing to the intraductal waste gas of tail gas, fundamentally has reduced the explosion possibility that the temperature causes.

Description

Explosion-proof automobile engine cylinder lid

Technical Field

The invention relates to the technical field of engine cylinder covers, in particular to an explosion-proof automobile engine cylinder cover.

Background

An engine is a machine capable of converting other forms of energy into mechanical energy, including, for example, internal combustion engines, external combustion engines, jet engines, electric motors, and the like. Such as internal combustion engines, typically convert chemical energy into mechanical energy. The engine is applicable to both the power generation device and the whole machine including the power device.

The engine cylinder head is used to close the cylinder and form the combustion chamber. The engine comprises a cylinder cover of a side-mounted valve type engine, a cast water jacket, a water inlet hole, a water outlet hole, a spark plug hole, a bolt hole, a combustion chamber and the like. The cylinder head of an overhead valve type engine has, in addition to a cooling water jacket, a valve device, intake and exhaust passages, and the like. The cylinder cover is used to seal the upper part of cylinder to form combustion chamber, and is used as the support of camshaft and rocker shaft as well as inlet and exhaust pipe.

The engine does not have an explosion-proof function generally, the exhaust gas emission temperature of the engine reaches 800 ℃ of 700-.

Therefore, the invention provides an explosion-proof automobile engine cylinder cover for solving the problems.

Disclosure of Invention

The invention aims to provide an explosion-proof automobile engine cylinder cover to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an explosion-proof automobile engine cylinder cover comprises a cylinder cover body, wherein a tail gas pipe and a water channel are arranged in the cylinder cover body, the water channel is wound on the outer side of the tail gas pipe, one side end of the water channel is connected with a first water inlet hole in a penetrating way, the other side end of the water channel is connected with a water outlet hole in a penetrating way, a water-cooling pipe is embedded on the side wall of the tail gas pipe, the water-cooling pipe is of a spatial spiral structure, the water outlet end of the water-cooling pipe is connected with the water channel in a penetrating way, the water inlet end of the water-cooling pipe is connected with a connecting pipe in a penetrating way, one side of the top end of the cylinder cover body is connected with a second water inlet hole in a penetrating way, one end, far away from the water-cooling pipe, of the connecting pipe is connected with the second water inlet hole in a penetrating way, cooling water enters the, can realize rapid cooling, and inject cold water into in to the water course through first inlet port, cold water can directly siphon away the heat that the intraductal waste gas of tail gas gived off, supplementary cold water pipe is cooled down the processing to the intraductal waste gas of tail gas, can effectual reduction tail gas's temperature, and fundamentally has reduced the explosion possibility that the temperature causes to guarantee the normal operating of engine.

In a further embodiment, a plurality of first radiating fins are uniformly arranged at one side end, close to the tail gas pipe, of the water-cooling pipe, the first radiating fins are of a wave-shaped structure, a plurality of through holes are uniformly formed in the first radiating fins, the contact area between the water-cooling pipe and tail gas in the tail gas pipe can be greatly increased by arranging the first radiating fins, the speed of the water-cooling pipe for cooling the tail gas can be greatly increased, the tail gas can be rapidly cooled, and the possibility of explosion is reduced.

In a further embodiment, the first heat dissipation fin comprises a plurality of fin bodies, all fin bodies on the same first heat dissipation fin are arranged in parallel and embedded on the bottom wall of the water cooling pipe, the top ends of all fin bodies on the same first heat dissipation fin are fixedly connected with a heat dissipation pipe together, the heat dissipation pipe is sleeved in the water cooling pipe, a plurality of first auxiliary heat dissipation fins are uniformly arranged in an inner cavity of the heat dissipation pipe, a second auxiliary heat dissipation fin is arranged between two adjacent fin bodies, the second auxiliary heat dissipation fin is arranged in an inclined manner, a plurality of through holes are uniformly formed in the second auxiliary heat dissipation fin, high-temperature tail gas flows from the front of the fin bodies, and the high-temperature tail gas is guided to blow the water cooling pipe obliquely under the action of the second auxiliary heat dissipation fin, so that the heat dissipation effect of the; meanwhile, cold water in the water cooling pipe flows through the radiating pipe and the first auxiliary radiating fins, heat on the fin body can be taken away quickly, the heat absorption effect of the fin body is further improved, the heat loss speed of high-temperature tail gas is increased, the temperature of the tail gas is reduced, and the possibility of explosion is reduced.

In a further embodiment, install heat exchange pipe in the tail gas pipe, be through connection between heat exchange pipe and the water course, install the drainage plate with heat exchange pipe matched with in the water course, the drainage plate sets up in the slope, and under the effect of drainage plate, the water in the water course directly gets into heat exchange pipe, utilizes the direct waste gas with in the tail gas pipe of heat exchange pipe to carry away the heat of waste gas in the tail gas pipe to directly cool down tail gas, can effectually prevent the emergence of explosion phenomenon.

In a further embodiment, a partition board is arranged in the heat exchange tube, the partition board divides an inner cavity of the heat exchange tube into an upper chamber and a lower chamber, the upper chamber is arranged above the lower chamber, the upper chamber is communicated with the lower chamber, water inlet ends of the upper chamber and the lower chamber are respectively communicated with a water channel, the lowest end of the drainage plate corresponds to the water inlet end of the upper chamber in the horizontal direction, the upper end and the lower end of the heat exchange tube are respectively and fixedly connected with a heat dissipation plate, the heat dissipation plate is of an L-shaped structure, a plurality of second heat dissipation fins matched with the heat exchange tube are uniformly arranged in an inner cavity of the heat dissipation plate, a plurality of auxiliary heat dissipation holes are uniformly arranged on the heat dissipation plate, the auxiliary heat dissipation holes are obliquely arranged, the auxiliary heat dissipation holes and the second heat dissipation fins are mutually staggered, and water in the water channel directly enters, then change over to lower cavity to in through lower cavity backward flow water course, thereby realize that the cooling water takes place the heat exchange through the tail gas in hot exchange pipe and the tail gas pipe, directly takes away the heat in the tail gas, and through setting up heating panel and second radiating fin, make hot exchange pipe and the effective area of contact of the tail gas in the tail gas pipe increase by a wide margin, thereby further promote the radiating rate of tail gas in the tail gas pipe, thereby can prevent explosion phenomenon's emergence from the root.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, cooling water is injected through the second water inlet hole, the cooling water enters the water cooling pipe through the connecting pipe, and the water cooling pipe is directly contacted with high-temperature waste gas in the tail gas pipe, so that the heat of the tail gas in the tail gas pipe can be directly taken away, the speed of tail gas heat dissipation is improved, rapid cooling can be realized, cold water is injected into the water channel through the first water inlet hole, the cold water can directly absorb the heat dissipated by the waste gas in the tail gas pipe, the cold water pipe is assisted to carry out cooling treatment on the waste gas in the tail gas pipe, the temperature of the tail gas can be effectively reduced, the explosion possibility caused by temperature is fundamentally reduced, and the normal operation;

2. according to the invention, the contact area between the water-cooling pipe and the tail gas in the tail gas pipe can be greatly increased by arranging the first radiating fins, the speed of the water-cooling pipe for cooling the tail gas can be greatly increased, the tail gas can be quickly cooled, and the possibility of explosion is reduced;

3. when the first radiating fin works, the high-temperature tail gas flows from the front of the fin body, and the high-temperature tail gas is guided to obliquely blow the water cooling pipe under the action of the second auxiliary radiating fin, so that the radiating effect of the high-temperature tail gas is further improved; meanwhile, cold water in the water cooling pipe flows through the radiating pipe and the first auxiliary radiating fin, so that heat on the fin body can be quickly taken away, the heat absorption effect of the fin body is further improved, the heat loss speed of high-temperature tail gas is improved, the temperature of the tail gas is reduced, and the possibility of explosion is reduced;

4. according to the invention, water in the water channel directly enters the upper cavity under the action of the drainage plate, then is transferred into the lower cavity, and flows back into the water channel through the lower cavity, so that heat exchange between cooling water and tail gas in the tail gas pipe through the heat exchange pipe is realized, heat in the tail gas is directly taken away, and the effective contact area between the heat exchange pipe and the tail gas in the tail gas pipe is greatly increased through the arrangement of the heat dissipation plate and the second heat dissipation fins, so that the heat dissipation speed of the tail gas in the tail gas pipe is further increased, and the explosion phenomenon can be fundamentally prevented.

Drawings

FIG. 1 is a schematic structural diagram of an explosion-proof automobile engine cylinder head;

FIG. 2 is a schematic structural view of another embodiment of an explosion proof automotive engine head;

FIG. 3 is a schematic structural diagram of the first heat sink fin shown in FIG. 2;

FIG. 4 is a schematic structural view of another embodiment of an explosion proof automotive engine head;

fig. 5 is a schematic view of the structure of the heat exchange tube in fig. 4.

In the figure: 1-cylinder cover body, 2-water channel, 3-tail gas pipe, 4-first water inlet hole, 5-water outlet hole, 6-water cooling pipe, 7-second water inlet hole, 8-connecting pipe, 9-first radiating fin, 91-fin body, 92-radiating pipe, 93-first auxiliary radiating fin, 94-second auxiliary radiating fin, 95-through hole, 10-flow guiding plate, 11-heat exchanging pipe, 12-partition plate, 13-upper chamber, 14-lower chamber, 15-radiating plate, 16-second radiating fin and 17-auxiliary radiating hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1, the cylinder head comprises a cylinder head body 1, a tail gas pipe 3 and a water channel 2 are arranged in the cylinder head body 1, the water channel 2 is wound on the outer side of the tail gas pipe 3, one side end of the water channel 2 is connected with a first water inlet 4 in a penetrating way, the other side end of the water channel 2 is connected with a water outlet 5 in a penetrating way, a water cooling pipe 6 is embedded on the side wall of the tail gas pipe 3, the water cooling pipe 6 is of a spatial spiral structure, the water outlet end of the water cooling pipe 6 is connected with the water channel 2 in a penetrating way, the water inlet end of the water cooling pipe 6 is connected with a connecting pipe 8 in a penetrating way, one side of the top end of the cylinder head body 1 is connected with a second water inlet 7 in a penetrating way, one end of the connecting pipe 8 far away from the water cooling pipe 6 is connected with the second water inlet 7 in a penetrating way, cooling water is injected into the water cooling pipe 6 through the, improve the speed that the tail gas heat gived off, can realize rapid cooling, and inject cold water into in water course 2 through first inlet opening 4, cold water can directly siphons away the heat that waste gas gived off in the tail gas pipe 3, supplementary cold water pipe 6 is cooled down the processing to the waste gas in the tail gas pipe 3, can the effectual temperature that reduces tail gas, and fundamentally has reduced the explosion possibility that the temperature causes to guarantee the normal operation of engine.

Example 2

Referring to fig. 2-3, the difference from example 1 is: the even a plurality of first radiating fin 9 that are equipped with of a side end that water-cooled tube 6 is close to tailpipe 3, first radiating fin 9 is the wave structure, and even on the first radiating fin 9 be equipped with a plurality of through-holes, can increase the area of contact of water-cooled tube 6 and tailpipe 3 internal exhaust by a wide margin through setting up first radiating fin 9, can promote the speed of water-cooled tube 6 to the tail gas cooling by a wide margin, realize tail gas rapid cooling, reduce the possibility that the explosion takes place.

The first radiating fins 9 comprise a plurality of fin bodies 91, all the fin bodies 91 on the same first radiating fin 9 are arranged in parallel and embedded on the bottom wall of the water-cooled tube 6, the top ends of all the fin bodies 91 on the same first radiating fin 9 are fixedly connected with a radiating tube 92 together, the radiating tube 92 is sleeved in the water-cooled tube 6, a plurality of first auxiliary radiating fins 93 are uniformly arranged in the inner cavity of the radiating tube 92, a second auxiliary radiating fin 94 is arranged between two adjacent fin bodies 91, the second auxiliary radiating fin 94 is arranged in an inclined manner, a plurality of through holes 95 are uniformly arranged on the second auxiliary radiating fin 94, high-temperature tail gas flows from the front of the fin bodies 91, and the high-temperature tail gas is guided to blow the water-cooled tube 6 obliquely under the action of the second auxiliary radiating fins 94, so that the radiating effect of the high-temperature tail gas is further; meanwhile, cold water in the water-cooling pipe 6 flows through the radiating pipe 92 and the first auxiliary radiating fin 93, heat on the fin body 91 can be taken away quickly, the heat absorption effect of the fin body 91 is further improved, the heat loss speed of high-temperature tail gas is increased, the temperature of the tail gas is reduced, and the possibility of explosion is reduced.

Example 3

Referring to fig. 4-5, the difference from example 1 is: install hot exchange pipe 11 in the tail gas pipe 3, be through connection between hot exchange pipe 11 and the water course 2, install in the water course 2 with hot exchange pipe 11 matched with drainage plate 10, drainage plate 10 is the slope setting, and under the effect of drainage plate 10, water in the water course 2 directly gets into hot exchange pipe 11, utilizes hot exchange pipe 11 directly to carry out the heat exchange with the waste gas in the tail gas pipe 3, takes away the heat of waste gas in the tail gas pipe 3 to directly cool down tail gas, can effectually prevent the emergence of explosion phenomenon.

Be equipped with baffle 12 in the hot exchange pipe 11, baffle 12 separates into cavity 13 and cavity 14 down to hot exchange pipe 11's inner chamber, go up cavity 13 and establish the top of cavity 14 down, be through connection between last cavity 13 and the cavity 14 down, go up cavity 13 and the water inlet end of cavity 14 down and link up water course 2 respectively, the least significant end of drainage plate 10 corresponds on the horizontal direction with the water inlet end of last cavity 13, hot exchange pipe 11's upper and lower end fixedly connected with heating panel 15 respectively, heating panel 15 is L type structure, and the inner chamber of heating panel 15 is even be equipped with a plurality of with hot exchange pipe 11 matched with second radiating fin 16, and the last even a plurality of supplementary louvre 17 that is equipped with of heating panel 15, supplementary louvre 17 is the slope setting, is the setting of staggering each other between supplementary louvre 17 and the second radiating fin 16, and the water in the water course 2 is under the effect of drainage plate 10, directly get into cavity 13, then change over into cavity 14 down, and in cavity 14 backward flow water course 2 down, thereby realize that the cooling water takes place the heat exchange through the tail gas of hot exchange pipe 11 in with tail gas pipe 3, directly take away the heat in the tail gas, and through setting up heating panel 15 and second radiating fin 16, make hot exchange pipe 11 and the effective area of contact of the tail gas in the tail gas pipe 3 increase by a wide margin, thereby further promote the radiating rate of tail gas in the tail gas pipe 3, thereby can follow the emergence of the root explosion phenomenon.

Working principle of examples 1 to 3: cooling water is injected through the second water inlet hole 7, the cooling water enters the water-cooling pipe 6 through the connecting pipe 8, the water-cooling pipe 6 is directly contacted with high-temperature waste gas in the tail gas pipe 3, the heat of the tail gas in the tail gas pipe 3 can be directly taken away, the speed of tail gas heat dissipation is improved, rapid cooling can be realized, cold water is injected into the water channel 2 through the first water inlet hole 4, the cold water can directly absorb the heat dissipated by the waste gas in the tail gas pipe 3, the auxiliary cold water pipe 6 is used for cooling the waste gas in the tail gas pipe 3, the temperature of the tail gas can be effectively reduced, the explosion possibility caused by the temperature is fundamentally reduced, and the normal operation of an engine is ensured;

simultaneously, water in the water course 2 is under the effect of drainage plate 10, cavity 13 in the direct entering, then change over to cavity 14 down, and through cavity 14 backward flow water course 2 down, thereby realize that the cooling water takes place the heat exchange through the tail gas in hot exchange pipe 11 and the tail gas pipe 3, directly take away the heat in the tail gas, and through setting up heating panel 15 and second radiating fin 16, make hot exchange pipe 11 and the effective area of contact of the tail gas in the tail gas pipe 3 increase by a wide margin, thereby further promote the radiating rate of tail gas in the tail gas pipe 3, thereby can follow the emergence of the root explosion prevention phenomenon.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. An explosion-proof automobile engine cylinder cover comprises a cylinder cover body (1) and is characterized in that, the cylinder cover body (1) is internally provided with a tail gas pipe (3) and a water channel (2), the water channel (2) is wound on the outer side of the tail gas pipe (3), one side end of the water channel (2) is connected with a first water inlet hole (4) in a penetrating way, the other side end of the water channel (2) is connected with a water outlet hole (5) in a penetrating way, a water-cooling pipe (6) is embedded on the side wall of the tail gas pipe (3), the water-cooling pipe (6) is of a space spiral structure, the water outlet end of the water-cooling pipe (6) is communicated with the water channel (2), the water inlet end of the water-cooling pipe (6) is communicated with a connecting pipe (8), one side of the top end of the cylinder cover body (1) is communicated with a second water inlet hole (7), and one end of the connecting pipe (8) far away from the water-cooling pipe (6) is in through connection with the second water inlet hole (7).

2. An explosion-proof automobile engine cylinder cover according to claim 1, characterized in that a plurality of first radiating fins (9) are uniformly arranged at one side end of the water cooling pipe (6) close to the exhaust pipe (3), the first radiating fins (9) are of a wave-shaped structure, and a plurality of through holes are uniformly arranged on the first radiating fins (9).

3. An explosion-proof automobile engine cylinder cover according to claim 2, characterized in that the first radiating fin (9) comprises a plurality of fin bodies (91), all the fin bodies (91) on the same first radiating fin (9) are arranged in parallel and embedded on the bottom wall of the water cooling tube (6), the top ends of all the fin bodies (91) on the same first radiating fin (9) are fixedly connected with a radiating tube (92) together, the radiating tube (92) is sleeved in the water cooling tube (6), a plurality of first auxiliary radiating fins (93) are uniformly arranged in the inner cavity of the radiating tube (92), a second auxiliary radiating fin (94) is arranged between two adjacent fin bodies (91), the second auxiliary radiating fin (94) is arranged in an inclined manner, and a plurality of through holes (95) are uniformly arranged on the second auxiliary radiating fin (94).

4. An explosion-proof automobile engine cylinder cover according to claim 1, characterized in that heat exchange tubes (11) are installed in the exhaust pipe (3), the heat exchange tubes (11) are connected with the water channel (2) in a penetrating manner, a drainage plate (10) matched with the heat exchange tubes (11) is installed in the water channel (2), and the drainage plate (10) is arranged in an inclined manner.

5. An explosion-proof automobile engine cylinder cover according to claim 4, characterized in that, be equipped with baffle (12) in heat exchange pipe (11), baffle (12) separate into upper chamber (13) and lower chamber (14) to the inner chamber of heat exchange pipe (11), upper chamber (13) is established in the top of lower chamber (14), is the through connection between upper chamber (13) and lower chamber (14), the end of intaking of upper chamber (13) and lower chamber (14) is run through respectively and is connected water course (2).

6. An explosion-proof automobile engine cylinder cover according to claim 5, characterized in that the lowest end of the flow guide plate (10) corresponds to the water inlet end of the upper chamber (13) in the horizontal direction.

7. An explosion-proof automobile engine cylinder cover according to claim 4, characterized in that the upper and lower ends of the heat exchange tube (11) are fixedly connected with a heat dissipation plate (15) respectively, the heat dissipation plate (15) is of an L-shaped structure, and a plurality of second heat dissipation fins (16) matched with the heat exchange tube (11) are uniformly arranged in the inner cavity of the heat dissipation plate (15).

8. An explosion-proof automobile engine cylinder cover according to claim 7, characterized in that a plurality of auxiliary heat dissipation holes (17) are uniformly formed in the heat dissipation plate (15), and the auxiliary heat dissipation holes (17) are obliquely arranged.

9. An explosion-proof automobile engine cylinder cover according to claim 8, characterized in that the auxiliary heat dissipation holes (17) and the second heat dissipation fins (16) are arranged in a staggered manner.

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