CN210622905U

CN210622905U - Water jacket exhaust pipe for diesel engine

Info

Publication number: CN210622905U
Application number: CN201921232708.4U
Authority: CN
Inventors: 郭建栋; 方利伟
Original assignee: Zhejiang Chuangge Technology Co ltd
Current assignee: Zhejiang Chuangge Technology Co.,Ltd.
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-26
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a water jacket exhaust pipe for a diesel engine, which comprises an outer pipe and an inner pipe coaxially arranged in the inner cavity of the outer pipe, the two ends of the outer pipe are respectively provided with a water inlet pipe and a water outlet pipe which are communicated with the cold water cavity between the outer pipe and the inner pipe, a baffle plate with a plurality of flow guide pipes is respectively arranged at the water inlet and the water outlet which are close to the water inlet pipe and the water outlet pipe in the outer pipe, the side edge of the inner pipe is provided with an air outlet pipe and a plurality of air inlet pipes, the air outlet pipe penetrates through the outer pipe, the air inlet pipes and the air outlet pipe are respectively positioned at two sides of the inner pipe, the air outlet pipe is positioned at the center of the inner pipe, the end part of the air outlet pipe is provided with a supercharger connecting plate, by the design of the inner pipe and the outer pipe, cold water circularly flows between the inner pipe and the outer pipe, the temperature of the exhaust pipe is reduced, therefore, the working temperature of the engine is effectively reduced, the service life of the exhaust pipe is prolonged, and the exhaust pipe is very suitable for a high-power generator.

Description

Water jacket exhaust pipe for diesel engine

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of engine, especially a technical field of water jacket blast pipe for diesel engine.

[ background of the invention ]

The engine used by the ship is a high-power ship engine, and can generate a large amount of heat during working, so that the temperature of the engine body is very high, and the heat is mainly radiated outwards by the exhaust pipe. The exhaust pipe of diesel engine adopts dry-type blast pipe usually, does not have effective insulating layer on its shell, and it is big to make cabin interior noise generally, and indoor temperature is high, and operational environment is poor, neither does benefit to staff's healthy, has the potential safety hazard again, is difficult to satisfy the needs of in-service use.

[ Utility model ] content

The utility model aims at solving the problem in the prior art, providing a water jacket blast pipe for diesel engine, can effectively reduce the operating temperature of engine, long service life.

In order to realize the above purpose, the utility model provides a water jacket blast pipe for diesel engine, including outer tube and the coaxial inner tube that sets up in the outer tube inner chamber, the both ends of outer tube are provided with inlet tube and the outlet pipe that is linked together with the cold water chamber between outer tube and the inner tube respectively, the water inlet and the water outlet department that are close to inlet tube and outlet pipe in the outer tube are equipped with the baffle that has a plurality of honeycomb duct respectively, the side of inner tube is equipped with outlet duct and a plurality of intake pipe of wearing out the outer tube setting, outlet duct and intake pipe are located the both sides of inner tube respectively, central authorities and the tip that the outlet duct is located the inner tube.

Preferably, the outer pipe comprises a bottom plate and a shell, the shell is fixed on the bottom plate through a plurality of bolts, a plurality of air inlets corresponding to the air inlet pipes are formed in the bottom plate, and air outlets corresponding to the air outlet pipes are formed in the shell.

Preferably, the bottom plate and the shell are provided with a plurality of corresponding preset holes, the hole walls of the preset holes are fixedly provided with positioning guide pipes, and the bolts are positioned in the positioning guide pipes.

Preferably, the length of the positioning conduit coincides with the distance from the bottom plate to the top plate of the housing.

Preferably, the housing is further provided with a panel.

Preferably, the water inlet pipe is positioned on the right side of the shell, and the water outlet pipe is positioned on the left side of the top of the shell.

Preferably, the air outlet pipe penetrates out of the outer pipe in an inclined mode, and the included angle between the air outlet pipe and the outer pipe is 30-60 degrees.

Preferably, the baffle is respectively separated between the end part of the inner pipe and the water inlet of the water inlet pipe and the water outlet of the water outlet pipe, the flow guide pipes are uniformly distributed on the baffle, and the other ends of the flow guide pipes face to the center of the inner pipe and are arranged around the outer wall of the inner pipe.

The utility model has the advantages that: the utility model has the advantages that through the design of the inner pipe and the outer pipe, cold water circularly flows between the inner pipe and the outer pipe, the temperature of the exhaust pipe is reduced, the working temperature of the engine is effectively reduced, the service life of the exhaust pipe is prolonged, and the exhaust pipe is very suitable for a high-power generator; the positioning guide pipe is arranged, so that the hole diameter of the bolt is reduced, the guide function is realized in the bolt installation process, the bolt is prevented from tilting, and the fixation between the shell and the bottom plate is ensured; through setting up the baffle of separating respectively between the tip of inner tube and the water inlet of inlet tube and the delivery port of outlet pipe, avoid rivers direct impact inner tube's tip when the business turn over for rivers are along the outer wall parallel flow of inner tube, prevent because of the not hard up emergence of the phenomenon of leaking that appears of inner tube.

The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of a water jacket exhaust pipe for a diesel engine according to the present invention;

fig. 2 is a schematic perspective view of another perspective view of the water jacket exhaust pipe for a diesel engine according to the present invention;

FIG. 3 is a front view of a water jacket exhaust pipe for a diesel engine according to the present invention;

FIG. 4 is a plan view of a water jacket exhaust pipe for a diesel engine according to the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a left side view of the water jacket exhaust pipe for a diesel engine of the present invention.

In the figure: 1-outer tube, 11-bottom plate, 111-air inlet, 12-shell, 121-air outlet, 122-panel, 2-water inlet tube, 3-water outlet tube, 4-baffle, 41-draft tube, 5-supercharger connecting plate, 6-bolt, 7-positioning conduit, 8-inner tube, 81-air inlet tube and 82-air outlet tube.

[ detailed description ] embodiments

Referring to fig. 1 to 6, the water jacket exhaust pipe for a diesel engine of the present invention comprises an outer pipe 1 and an inner pipe 8 coaxially disposed in an inner cavity of the outer pipe 1, wherein a water inlet pipe 2 and a water outlet pipe 3 communicated with a cold water cavity between the outer pipe 1 and the inner pipe 8 are respectively disposed at two ends of the outer pipe 1, a baffle 4 having a plurality of flow guide pipes 41 is respectively disposed at a water inlet and a water outlet near the water inlet pipe 2 and the water outlet pipe 3 in the outer pipe 1, an air outlet pipe 82 and a plurality of air inlet pipes 81 disposed through the outer pipe 1 are disposed at a side edge of the inner pipe 8, the air outlet pipe 82 and the air inlet pipes 81 are respectively disposed at two sides of the inner pipe 8, the air outlet pipe 82 is disposed at a center of the inner pipe 8 and provided with a supercharger connecting plate 5 at an end thereof, the outer pipe 1 includes a bottom plate 11 and a housing 12, the shell 12 is provided with an air outlet 121 corresponding to the air outlet pipe 82, the bottom plate 11 and the shell 12 are provided with a plurality of corresponding preset holes, a positioning conduit 7 is fixed on the wall of the preset hole, the bolt 6 is positioned in the positioning conduit 7, the length of the positioning conduit 7 is consistent with the distance from the bottom plate 11 to the top plate of the shell 12, the shell 12 is also provided with a panel 122, the water inlet pipe 2 is positioned at the right side of the outer shell 12, the water outlet pipe 3 is positioned at the left side of the top of the outer shell 12, the air outlet pipe 82 obliquely penetrates out of the outer pipe 1, the included angle between the air outlet pipe 82 and the outer pipe 1 is 30-60 degrees, the baffle plate 4 is respectively separated between the end part of the inner pipe 8 and the water inlet of the water inlet pipe 2 and the water outlet of the water outlet pipe 3, the draft tube 41 is uniformly distributed on the baffle 4, and the other end of the draft tube 41 faces the center of the inner tube 8 and surrounds the outer wall of the inner tube 8.

The utility model discloses the working process:

when the diesel engine works, gas exhausted from the cylinder enters the inner pipe 8 through the plurality of gas inlet pipes 81, is collected, then leaves from the gas outlet pipe 82, and enters the supercharger. Meanwhile, cold water enters a cold water cavity between the outer pipe 1 and the inner pipe 8 through the water inlet pipe 2 and is discharged and separated from the water outlet pipe 3. During the flowing process, the cold water absorbs heat and reduces the temperature of the outer pipe 1 and the inner pipe 8, thereby reducing the temperature in the cabin. Because baffle 4 separates respectively between the tip of inner tube 8 and the water inlet of inlet tube 2 and the delivery port of outlet pipe 3 for cold water is when getting into outer tube 1, at first direct impact on baffle 4, leads through a plurality of honeycomb duct 41 again, crosses the tip of inner tube 8, flows in from the outer wall that a plurality of mouths are on a parallel with inner tube 8, and the direction of honeycomb duct 41 through other end baffle 4 again at last flows out from the outer wall that a plurality of mouths are on a parallel with inner tube 8.

The utility model has the advantages that through the design of the inner pipe and the outer pipe, cold water circularly flows between the inner pipe and the outer pipe, the temperature of the exhaust pipe is reduced, the working temperature of the engine is effectively reduced, the service life of the exhaust pipe is prolonged, and the exhaust pipe is very suitable for a high-power generator; the positioning guide pipe is arranged, so that the hole diameter of the bolt is reduced, the guide function is realized in the bolt installation process, the bolt is prevented from tilting, and the fixation between the shell and the bottom plate is ensured; through setting up the baffle of separating respectively between the tip of inner tube and the water inlet of inlet tube and the delivery port of outlet pipe, avoid rivers direct impact inner tube's tip when the business turn over for rivers are along the outer wall parallel flow of inner tube, prevent because of the not hard up emergence of the phenomenon of leaking that appears of inner tube.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims

1. A water jacket exhaust pipe for a diesel engine is characterized in that: including outer tube (1) and coaxial inner tube (8) of setting in outer tube (1) inner chamber, the both ends of outer tube (1) are provided with respectively with inlet tube (2) and outlet pipe (3) that the cold water chamber between outer tube (1) and inner tube (8) is linked together, the water inlet and the delivery port department that are close to inlet tube (2) and outlet pipe (3) in outer tube (1) are equipped with baffle (4) that have a plurality of honeycomb duct (41) respectively, the side of inner tube (8) is equipped with outlet duct (82) and a plurality of intake pipe (81) of wearing out outer tube (1) setting, outlet duct (82) and intake pipe (81) are located the both sides of inner tube (8) respectively, central authorities and the tip that outlet duct (82) are located inner tube (8) are provided with booster connecting plate (5).

2. The water jacket exhaust pipe for a diesel engine according to claim 1, characterized in that: the outer tube (1) comprises a bottom plate (11) and a shell (12), the shell (12) is fixed on the bottom plate (11) through a plurality of bolts (6), a plurality of air inlets (111) corresponding to the air inlet tubes (81) are formed in the bottom plate (11), and air outlets (121) corresponding to the air outlet tubes (82) are formed in the shell (12).

3. The water jacket exhaust pipe for a diesel engine according to claim 2, characterized in that: the bottom plate (11) and the shell (12) are provided with a plurality of corresponding preset holes, the hole walls of the preset holes are fixedly provided with positioning guide pipes (7), and the bolts (6) are positioned in the positioning guide pipes (7).

4. A water jacket exhaust pipe for a diesel engine as set forth in claim 3, wherein: the length of the positioning conduit (7) is consistent with the distance from the bottom plate (11) to the top plate of the shell (12).

5. The water jacket exhaust pipe for a diesel engine according to claim 2, characterized in that: the shell (12) is also provided with a panel (122).

6. The water jacket exhaust pipe for a diesel engine according to claim 2, characterized in that: the inlet tube (2) is located on the right side of the shell (12), and the outlet tube (3) is located on the left side of the top of the shell (12).

7. The water jacket exhaust pipe for a diesel engine according to claim 1, characterized in that: the air outlet pipe (82) penetrates out of the outer pipe (1) in an inclined mode, and an included angle between the air outlet pipe (82) and the outer pipe (1) is 30-60 degrees.

8. The water jacket exhaust pipe for a diesel engine according to claim 1, characterized in that: baffle (4) are separated respectively between the tip of inner tube (8) and the water inlet of inlet tube (2) and the delivery port of outlet pipe (3), honeycomb duct (41) evenly distributed is on baffle (4), the other end of honeycomb duct (41) just encircles the outer wall setting of inner tube (8) towards the central authorities of inner tube (8).