CN213478504U - Engine front end goes out water structure - Google Patents
Engine front end goes out water structure Download PDFInfo
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- CN213478504U CN213478504U CN202022077617.7U CN202022077617U CN213478504U CN 213478504 U CN213478504 U CN 213478504U CN 202022077617 U CN202022077617 U CN 202022077617U CN 213478504 U CN213478504 U CN 213478504U
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Abstract
The utility model provides an engine front end water outlet structure, which comprises a gear chamber cover cap which is arranged on the front end surface of a cylinder cover and is in sealing fit with the outer edge of an engine gear chamber, wherein the front end of the cylinder cover is sealed by the gear chamber cover cap, and the gear chamber cover cap is used for sealing chains and gears in the gear chamber and preventing lubricating oil from splashing; the engine cylinder cover is characterized in that a first water outlet channel communicated with a cylinder cover water jacket is arranged inside the cylinder cover, the first water outlet channel is used for leading out cooling liquid in the water jacket, a second water outlet channel communicated with the first water outlet channel is arranged on the gear chamber cover in a penetrating mode, the left end face of the second water outlet channel is in sealing fit with the engine gear chamber, and the right side of the second water outlet channel is connected with a water outlet joint arranged outside the front end of the cylinder body. The gear chamber cover is integrated with the water outlet of the engine, so that the water outlet function at the front end of the engine is realized, the overall appearance of the engine is improved, the arrangement difficulty of the engine is reduced, and the cost and the weight of the engine are reduced.
Description
Technical Field
The utility model belongs to the technical field of the car, in particular to engine front end goes out water structure.
Background
In the prior art, a water inlet mode of an engine cooling system usually adopts front-end water inlet and rear-end water outlet, and a hole is formed in the rear end or the side surface of a cylinder cover, and then water is led to the front-end water outlet of an engine through a long connecting pipe.
The novel gasoline engine disclosed in the chinese patent CN2623889Y comprises a cylinder cover, a cylinder body, a crank-piston link mechanism, a valve train, an intake and exhaust system, etc., and is characterized in that the cylinder cover is designed into an upper body and a lower body, and a double overhead camshaft mounting hole is arranged on the combining surface of the upper body and the lower body; the water jacket is designed to be water inlet at the front end and water outlet at the rear end.
Also like the engine and the water jacket of the cylinder cover thereof disclosed in the chinese patent CN110332055A, a main water chamber is formed inside the main sleeve body, and the main water chamber includes a water inlet, a water outlet, a first communicating hole and a second communicating hole; the water inlet is close to the air inlet side of the engine, the first communicating hole and the second communicating hole are both close to the exhaust side of the engine, and the water outlet is close to the rear end of the engine; the exhaust side sleeve body is internally provided with an auxiliary water cavity, the auxiliary water cavity comprises a third communicating hole and a fourth communicating hole, and the fourth communicating hole is close to the water outlet.
Above-mentioned structure is followed cylinder cap rear end or side trompil, then leads to the engine front end through longer takeover with water and goes out water, and it is neither pleasing to the eye to additionally increase the connecting pipe and lead to the engine, has increased the degree of difficulty that the engine arranged simultaneously, has still improved the cost and the weight of engine. To the engine of arranging indulgedly, the engine need go out water from the front end and be convenient for carry out the tube coupling with the water tank of whole car, and front end play water often realizes the function that the front end goes out water through directly processing the water hole in the cylinder cap front end.
Therefore, people have designed a cooling method of water inlet at the front end and water outlet at the front end, such as an engine cooling water jacket disclosed in chinese patent CN204152659U, which includes: cylinder block water jacket, cylinder head gasket and cylinder head water jacket. The front end of the water jacket of the cylinder body is provided with a water inlet, the periphery of each cylinder is provided with an upper water hole, and the upper water hole at the rearmost end is a main upper water hole. The cylinder cover water jacket corresponds to the cylinder block water jacket, the front end of the cylinder cover water jacket is provided with a water outlet, the cylinder cover water jacket is also provided with a water inlet hole corresponding to the position of the upper water hole, and the water inlet hole at the rearmost end is a main water inlet hole. The cylinder head gasket is arranged between the cylinder block water jacket and the cylinder head water jacket, a plurality of round holes are formed in the length direction of the cylinder head gasket, water passing holes are formed in the periphery of the round holes, and the water passing hole at the rearmost end is a main water passing hole.
However, for an engine with an overhead camshaft arranged on the cylinder head and driven by a chain, because the chain lubrication is splashed with oil, the front end of the cylinder head must be sealed by a gear chamber cover, and the front end water discharge cannot be realized by directly opening a hole on the cylinder head.
SUMMERY OF THE UTILITY MODEL
The utility model provides an engine front end goes out water structure integrates the engine delivery port on the gear room shroud, realizes the engine front end function of going out water, improves the whole outward appearance of engine, reduces arranging the degree of difficulty of engine, reduces the cost and the weight of engine.
A water outlet structure at the front end of an engine comprises a gear chamber cover cap which is arranged on the front end surface of a cylinder cover and is in sealing fit with the outer edge of a gear chamber of the engine, wherein the front end of the cylinder cover is sealed by the gear chamber cover cap, and the gear chamber cover cap is used for sealing a chain and a gear in the gear chamber and preventing lubricating oil from splashing; the engine gear chamber cover is provided with a first water outlet channel communicated with the cylinder cover water jacket, the first water outlet channel is used for leading out cooling liquid in the water jacket, a second water outlet channel communicated with the first water outlet channel is arranged on the gear chamber cover in a penetrating mode, the left end face of the second water outlet channel is in sealing fit with the engine gear chamber, and the right side of the second water outlet channel is connected with a water outlet joint arranged outside the front end of the cylinder body.
The utility model discloses integrate the engine delivery port on the gear room shroud, realize the engine front end function of going out water, the second goes out water passage connection department and realizes sealing through O type circle, realizes water oil separating. The utility model overcomes the engine through chain drive's overhead camshaft because gear chamber cover shelters from water outlet channel's difficult technical problem for overhead camshaft's engine realizes that the front end goes out water, need not walk to the front end from cylinder cap rear end or side additional guide pipe, improves the whole outward appearance of engine, reduces arranging the degree of difficulty of engine, reduces the cost and the weight of engine.
Preferably, the flow cross-sectional area of the first water outlet channel is smaller than or equal to that of the second water outlet channel, that is, the inner diameter of the first water outlet channel is smaller than or equal to that of the second water outlet channel, and the first water outlet channel and the second water outlet channel are coaxially arranged. Simple structure, convenient processing and positioning and small flow resistance.
Preferably, the axes of the first water outlet channel and the second water outlet channel are horizontally arranged, so that the structure is simple and the processing is convenient.
Preferably, the second water outlet channel and the gear chamber cover are of an integrally formed structure, the manufacturing and the processing are convenient, the leakage risk of the second water outlet channel and the gear chamber cover is avoided, the structure is compact, and the rigidity is good.
Preferably, the second water outlet channel and the engine gear chamber are in sealing fit through an O-shaped sealing ring, the structure is simple, and the cost is low.
Preferably, the O-ring is fitted in an annular groove formed in a left end surface of the second water outlet passage. The second water outlet channel is provided with the annular groove, and the gear chamber cover is small in size, so that the gear chamber cover is convenient to clamp and position, the annular groove is processed and manufactured, and the cost is low.
Preferably, the second water outlet channel is arranged in the middle of the cylinder cover in the transverse position, so that water flow is reasonably distributed conveniently, and the uniformity is good.
Preferably, the water outlet joint is a 90-degree elbow joint structure, and an opening of the water outlet joint is arranged in a direction away from the cylinder cover. The outlet of the water outlet joint faces upwards, so that the longitudinal installation space of the subsequent connecting pipe is conveniently reduced, and the upward connecting pipe enables the whole machine to be more compact in arrangement.
Preferably, a flange plate connected with the right end face of the second water outlet channel is arranged at the left end of the water outlet joint. And the flange plate is fixedly connected by bolts, so that the connection is reliable and the cost is low.
The utility model has the advantages that:
1. the utility model overcomes the engine through chain drive's overhead camshaft because gear chamber cover shelters from water outlet channel's difficult technical problem for overhead camshaft's engine realizes that the front end goes out water, need not walk to the front end from cylinder cap rear end or side additional guide pipe, improves the whole outward appearance of engine, reduces arranging the degree of difficulty of engine, reduces the cost and the weight of engine.
2. The utility model discloses integrated engine delivery port on gear room shroud, the second goes out water channel connection department and realizes sealing through O type circle, simple structure, and the processing of being convenient for is with low costs.
Drawings
Fig. 1 is a schematic structural diagram of a water outlet structure at the front end of an engine according to the present invention.
Fig. 2 and fig. 3 are installation structure diagrams of a front end water outlet structure of an engine on the engine according to the present invention.
Fig. 4 is a mounting structure diagram of the O-ring of the present invention.
In the figure: 1-gear chamber cover, 2-first water outlet channel, 3-second water outlet channel, 301-annular groove, 4-water outlet joint, 401-flange plate, 5-cylinder cover, 6-engine gear chamber, and 7-O-shaped sealing ring.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments, which are illustrative of the invention and are not to be construed as unduly limiting the invention.
In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply specific orientations, configurations and operations that the device or structure referred to must have, and therefore should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1 to 3, an engine front end water outlet structure includes a gear chamber cover 1 disposed on a front end surface of a cylinder head 5 and hermetically engaged with an outer edge of an engine gear chamber 6, and a first water outlet channel 2 disposed inside the cylinder head 5 and communicated with a water jacket of the cylinder head 5, wherein a second water outlet channel 3 communicated with the first water outlet channel 2 is disposed on the gear chamber cover 1 in a penetrating manner, a left end surface of the second water outlet channel 3 is hermetically engaged with the engine gear chamber 6, and a right side of the second water outlet channel 3 is connected with a water outlet joint 4 disposed outside a front end of the cylinder block.
The flowing process of the cooling liquid of the utility model is as follows:
the gear chamber cover 1 is integrated with a water outlet of the engine to realize the water outlet function at the front end of the engine; and secondly, sealing the joint of the gear chamber cover 1 and a water outlet channel of the cylinder cover through an O-shaped ring.
After flowing from a cylinder head 5 of an engine body, cooling liquid is collected to a first water outlet channel 2 after passing through a water jacket of the cylinder head 5 and then sequentially flows into a second water outlet channel 3 to be connected with a water outlet head, so that water is discharged from the front end, and lubricating oil and cooling liquid in a gear chamber are separated in the whole process.
Example 2:
in this embodiment, the front end and the rear end of the engine are defined as: one end of the crankshaft, which is provided with the belt pulley, is the front end of the engine, and the other end of the crankshaft, which is provided with the flywheel, is the rear end of the engine.
As shown in fig. 1 to 3, an engine front end water outlet structure comprises a gear chamber cover 1 which is arranged on the front end surface of a cylinder cover 5 and is in sealing fit with the outer edge of a gear chamber 6 of an engine, wherein the front end of the cylinder cover is sealed by the gear chamber cover 1, and the gear chamber cover 1 is used for sealing a chain and a gear in the gear chamber and preventing lubricating oil from splashing; the engine water jacket structure is characterized in that a first water outlet channel 2 communicated with a water jacket of the cylinder cover 5 is arranged inside the cylinder cover 5, the first water outlet channel 2 is used for leading out cooling liquid in the water jacket, a second water outlet channel 3 communicated with the first water outlet channel 2 is arranged on the gear chamber cover 1 in a penetrating mode, the left side end face of the second water outlet channel 3 is in sealing fit with the engine gear chamber 6, and the right side of the second water outlet channel 3 is connected with a water outlet joint 4 arranged outside the front end of the cylinder body.
The embodiment integrates the engine water outlet on the gear chamber cover 1 to realize the water outlet function of the front end of the engine, and the joint of the second water outlet channel 3 is sealed by an O-shaped ring to realize oil-water separation. The embodiment overcomes the technical problem that the water outlet channel is shielded by the gear chamber cover of the engine of the overhead camshaft driven by the chain, so that water is discharged from the front end of the engine of the overhead camshaft, and the water does not need to be led to the front end from the rear end or the side surface of a cylinder cover, thereby improving the overall appearance of the engine, reducing the difficulty in arrangement of the engine and reducing the cost and weight of the engine.
In this embodiment, the flow cross-sectional area of the first water outlet channel 2 is smaller than or equal to the flow cross-sectional area of the second water outlet channel 3, that is, the inner diameter of the first water outlet channel 2 is smaller than or equal to the inner diameter of the second water outlet channel 3, and the first water outlet channel 2 and the second water outlet channel 3 are coaxially arranged. Simple structure, convenient processing and positioning and small flow resistance.
In this embodiment, the axes of the first water outlet channel 2 and the second water outlet channel 3 are both horizontally arranged, so that the structure is simple and the processing is convenient.
In this embodiment, the second water outlet channel 3 and the gear chamber cover cap 1 are of an integrally formed structure, so that the manufacturing and processing are convenient, the leakage risk of the second water outlet channel 3 and the gear chamber cover cap 1 is avoided, the structure is compact, and the rigidity is good.
As shown in fig. 4, in this embodiment, the second water outlet passage 3 and the engine gear chamber 6 are in sealing fit by using an O-ring 7, and the structure is simple and the cost is low.
As shown in fig. 4, in the present embodiment, the O-ring 7 is fitted into an annular groove 301 provided on the left end surface of the second outlet passage 3. The annular groove 301 is formed in the second water outlet channel 3, and the gear chamber cover 1 is small in size, so that the gear chamber cover is convenient to clamp and position, the annular groove 301 is machined, and the cost is low.
As shown in fig. 3, in this embodiment, the second water outlet channel 3 is disposed in the middle of the cylinder head 5 when viewed from the transverse position, so that the water flow is distributed reasonably and uniformly.
In this embodiment, the water outlet joint 4 is a 90-degree elbow joint structure, the opening of the water outlet joint 4 is arranged in the direction away from the cylinder cover 5, and the opening of the water outlet joint 4 faces upward. The outlet of the water outlet joint 4 faces upwards, so that the longitudinal installation space of the subsequent connecting pipe is conveniently reduced, and the upward connecting pipe enables the whole machine to be more compactly arranged.
As shown in fig. 3, in this embodiment, a flange 401 connected to a right end face of the second water outlet channel 3 is disposed at a left end of the water outlet joint 4, a through hole is disposed on the flange 401, and a threaded hole is disposed at a right side of the second water outlet channel 3 on the gear chamber cover 1. The flange plate 401 is fixedly connected through bolts, so that connection is reliable and cost is low.
Claims (9)
1. The utility model provides an engine front end goes out water structure, includes gear room shroud (1) that sets up in cylinder head (5) preceding terminal surface and engine gear room (6) outer fringe sealing fit, sets up inside and the first water channel (2) of cylinder head (5) water jacket intercommunication, its characterized in that: the gear chamber cover (1) is provided with a second water outlet channel (3) communicated with the first water outlet channel (2) in a penetrating mode, the left side end face of the second water outlet channel (3) is in sealing fit with the engine gear chamber (6), and the right side of the second water outlet channel (3) is connected with a water outlet joint (4) arranged outside the front end of the cylinder body.
2. The engine front end water outlet structure according to claim 1, characterized in that: the flow cross-sectional area of the first water outlet channel (2) is smaller than or equal to that of the second water outlet channel (3), and the first water outlet channel (2) and the second water outlet channel (3) are coaxially arranged.
3. An engine front end water outlet structure according to claim 1 or 2, characterized in that: the axes of the first water outlet channel (2) and the second water outlet channel (3) are both horizontally arranged.
4. An engine front end water outlet structure according to claim 1 or 2, characterized in that: the second water outlet channel (3) and the gear chamber cover (1) are of an integrally formed structure.
5. An engine front end water outlet structure according to claim 1 or 2, characterized in that: the second water outlet channel (3) and the engine gear chamber (6) are in sealing fit by adopting an O-shaped sealing ring (7).
6. The engine front end water outlet structure according to claim 5, wherein: the O-shaped sealing ring (7) is matched with an annular groove (301) arranged on the left end face of the second water outlet channel (3).
7. An engine front end water outlet structure according to claim 1 or 2, characterized in that: the second water outlet channel (3) is arranged in the middle of the cylinder cover (5) when viewed from the transverse position.
8. An engine front end water outlet structure according to claim 1 or 2, characterized in that: go out water swivel (4) and be 90 elbow fitting structure, the opening of going out water swivel (4) sets up towards keeping away from cylinder head (5) direction.
9. An engine front end water outlet structure according to claim 1 or 2, characterized in that: and a flange plate (401) connected with the right end face of the second water outlet channel (3) is arranged at the left end of the water outlet joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022077617.7U CN213478504U (en) | 2020-09-21 | 2020-09-21 | Engine front end goes out water structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022077617.7U CN213478504U (en) | 2020-09-21 | 2020-09-21 | Engine front end goes out water structure |
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| Publication Number | Publication Date |
|---|---|
| CN213478504U true CN213478504U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022077617.7U Active CN213478504U (en) | 2020-09-21 | 2020-09-21 | Engine front end goes out water structure |
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| CN (1) | CN213478504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128007A (en) * | 2020-09-21 | 2020-12-25 | 广西玉柴机器股份有限公司 | Engine front end goes out water structure |
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2020
- 2020-09-21 CN CN202022077617.7U patent/CN213478504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128007A (en) * | 2020-09-21 | 2020-12-25 | 广西玉柴机器股份有限公司 | Engine front end goes out water structure |
| CN112128007B (en) * | 2020-09-21 | 2024-04-05 | 广西玉柴机器股份有限公司 | Front-end water outlet structure of engine |
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