CN212428994U - Cooling device for engine exhaust manifold - Google Patents

Abstract

The utility model relates to an engine exhaust manifold field just discloses a cooling device that engine exhaust manifold was used, including the exhaust manifold body, the front of exhaust manifold body all is provided with the cooling jacket rather than the contact with the back, two the equal integrated into one piece in both sides of cooling jacket top and bottom has flange, adjacent two threaded connection has connecting bolt, two between the flange the inside of cooling jacket all is provided with the cooling tube, two the both ends of cooling tube run through respectively and extend to the outside of two cooling jackets, two the heat-conducting plate that the equal fixedly connected with in inside of cooling jacket contacted with the cooling tube, two the fin that the equal fixedly connected with equidistance in one side that the heat-conducting plate carried on the back mutually was arranged. The utility model discloses a, the operating temperature who has solved exhaust manifold improves, influences exhaust manifold's life, and exhaust manifold can take place the thermal energy and lead to great deformation, can take place cracked problem when serious.

Description

Cooling device for engine exhaust manifold

Technical Field

The utility model relates to an engine exhaust manifold field specifically is a cooling device that engine exhaust manifold was used.

Background

The exhaust manifold is connected with the cylinder body of the engine, concentrates exhaust gas of each cylinder and guides the exhaust gas into an exhaust manifold, and is provided with a branched pipeline.

Along with the improvement of the efficiency of the engine, the exhaust temperature is increased, the working temperature of the exhaust manifold is increased, the service life of the exhaust manifold is influenced due to overhigh temperature, the exhaust manifold can thermally expand and cause larger deformation, and the exhaust manifold can crack in severe cases.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a cooling device that engine exhaust manifold was used has the lowering temperature, prolongs exhaust manifold life's advantage, and the operating temperature who has solved exhaust manifold improves, influences exhaust manifold's life, and exhaust manifold can take place the thermal energy and lead to great deformation, can take place cracked problem when serious.

(II) technical scheme

For realizing above-mentioned reduced temperature, prolong exhaust manifold life's purpose, the utility model provides a following technical scheme:

a cooling device for an engine exhaust manifold comprises an exhaust manifold body, wherein cooling covers in contact with the cooling covers are arranged on the front surface and the back surface of the exhaust manifold body, connecting flanges are integrally formed on the top and the bottom of each cooling cover, a connecting bolt is connected between every two adjacent connecting flanges in a threaded manner, cooling pipes are arranged in each cooling cover, two ends of each cooling pipe penetrate through and extend to the outer sides of the two cooling covers respectively, heat conducting plates in contact with the cooling pipes are fixedly connected in each cooling cover, radiating fins which are arranged equidistantly are fixedly connected on the back sides of the two heat conducting plates, radiating fins which are uniformly distributed are fixedly connected on the top and the bottom of each radiating fin, and radiating plates are fixedly connected in the two cooling covers at positions which are positioned on the outer sides of the radiating fins, and the two heat dissipation plates are internally provided with heat dissipation through holes which are uniformly distributed.

Preferably, the two cooling pipes are arranged in a spiral shape at the inner part of the cooling cover.

Preferably, the side-view cross sections of the heat dissipation fins are arc-shaped, the circle centers of the heat dissipation fins are inward, and the distances between two adjacent heat dissipation fins are sequentially increased from inside to outside.

Preferably, the inside of the radiating fin is provided with a long hole, and the long hole penetrates through the radiating fin.

Preferably, the radiating fins are all provided with strip-shaped holes inside, and radiating strips are integrally formed on one side of each radiating fin close to the heat conducting plate.

Preferably, two the cooling tube runs through and extends to the equal fixedly connected with water supply connector of the left one end of cooling jacket, two the cooling tube runs through and extends to the equal fixedly connected with water supply connector of the one end on cooling jacket right side.

(III) advantageous effects

Compared with the prior art, the utility model provides a cooling device for engine exhaust manifold possesses following beneficial effect:

1. the cooling device for the engine exhaust manifold fixes two cooling covers at the outer side of an exhaust manifold body, fixes the cooling covers by using the threaded connection of a connecting bolt and an adjacent connecting flange, completes installation, when the exhaust manifold body works, cooling liquid enters the cooling pipe and flows in the cooling cover to exchange heat with the exhaust manifold body for cooling, the cooling pipe absorbs heat and transfers the heat to a heat conducting plate, the heat conducting plate disperses and transfers the heat to a radiating fin, the radiating fin is in an annular thin-wall structure through the arrangement of a long hole and the radiating fin arranged in the radiating fin, a strip-shaped hole is arranged on the radiating fin, a radiating strip is fixedly connected with the radiating fin, the contact area of the radiating fin and air is increased, a reasonable gap is formed by the radiating fin and the radiating fin, the air flow distribution is reasonable, and efficient heat radiation is realized, the heat is discharged by the heat dissipation through-hole of seting up on the heating panel again, so, has realized the two cold modes to exhaust manifold body gas cooling with liquid cooling, and the cooling effect preferred avoids exhaust manifold body high temperature, improves life, and the operating temperature who has solved exhaust manifold improves, influences exhaust manifold's life, and exhaust manifold can take place the thermal energy and lead to great deformation, can take place cracked problem when serious.

2. This cooling device for engine exhaust manifold is the route that the heliciform through the inside of cooling tube recooling cover arranged and has increased the coolant liquid and pass through, has prolonged the cooling process for coolant liquid cooling time increases, has improved the cooling effect.

3. This cooling device for engine exhaust manifold is the change of arc and mutual distance through a plurality of heat radiation fins, and the cooperation fin can form comparatively reasonable space for the air current distributes rationally, realizes the efficient heat dissipation.

4. According to the cooling device for the engine exhaust manifold, the radiating fins are in the annular thin-wall structure through the arrangement of the radiating fins, so that the radiating fins have a better radiating effect, and the radiating is more balanced.

5. This cooling device for engine exhaust manifold through the setting of bar hole and heat dissipation strip, can improve the area of contact of heat radiation fins and air, guarantees the radiating effect, improves cooling efficiency.

6. This cooling device for engine exhaust manifold through the setting of water supply connector and water connectors be convenient for the cooling tube to be connected with external coolant liquid pipeline, and the coolant liquid gets into the cooling tube by water supply connector, is discharged by water connectors again, can guarantee that the coolant liquid circulation is smooth and easy, can not produce the blind spot.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. an exhaust manifold body; 2. a cooling jacket; 3. a connecting flange; 4. a connecting bolt; 5. a cooling tube; 6. a heat conducting plate; 7. a heat sink; 8. heat dissipation fins; 9. a heat dissipation plate; 10. a heat dissipating through hole; 11. a long hole; 12. a strip-shaped hole; 13. a heat dissipating strip; 14. a water inlet joint; 15. and a water outlet joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a cooling device for an engine exhaust manifold comprises an exhaust manifold body 1, cooling covers 2 contacting with the front and back of the exhaust manifold body 1 are respectively arranged on the front and back of the exhaust manifold body 1, connecting flanges 3 are integrally formed on both sides of the top and bottom of the two cooling covers 2, a connecting bolt 4 is connected between the two adjacent connecting flanges 3 through a screw thread, the two cooling covers 2 are fixed on the outer side of the exhaust manifold body 1, the cooling covers 2 are fixed by the connecting bolt 4 and the adjacent connecting flange 3 through a screw thread, the installation is completed, cooling pipes 5 are respectively arranged inside the two cooling covers 2, both ends of the two cooling pipes 5 respectively penetrate and extend to the outer sides of the two cooling covers 2, cooling liquid enters the cooling pipes 5 and flows inside the cooling covers 2 to exchange heat with the exhaust manifold body 1 for cooling, the heat-conducting plate 6 of the equal fixedly connected with in inside and the contact of cooling tube 5 of two cooling cowls 2, cooling tube 5 absorbs the heat and transfers to heat-conducting plate 6, two heat-conducting plates 6 carry on the back the mutually all fixedly connected with equidistance fin 7 in one side, heat-conducting plate 6 transmits the heat dispersion to fin 7, the top of fin 7 and the equal fixedly connected with evenly distributed's in bottom radiating fin 8, form comparatively reasonable space by fin 7 and radiating fin 8, make the air current distribution reasonable, realize the efficient heat dissipation, two cooling cowls 2's inside and the equal fixedly connected with heating panel 9 in position that is located the fin 7 outside, evenly distributed's radiating through hole 10 has all been seted up to two heating panel 9's inside, the heat is discharged by the radiating through hole 10 of seting.

Further, two cooling tube 5 are located the inside part of cooling jacket 2 and all are the heliciform and arrange, and the inside through cooling tube 5 recooling jacket 2 is the heliciform and arranges the route that has increased the coolant liquid and pass through, has prolonged the cooling process for coolant liquid cooling time increases, has improved the cooling effect.

Further, heat radiation fins 8 look sideways at the cross-section and all be arc form and the centre of a circle inwards, and distance from interior to exterior between two adjacent heat radiation fins 8 increases progressively in proper order, is the arc and the change of distance each other through a plurality of heat radiation fins 8, and cooperation fin 7 can form comparatively reasonable space for the air current distributes rationally, realizes the efficient heat dissipation.

Furthermore, the inside of the radiating fin 7 is provided with the elongated hole 11, the elongated hole 11 penetrates through the radiating fin 7, and the radiating fin 7 is in an annular thin-wall structure through the arrangement of the radiating fin 7, so that the radiating fin 7 has a better radiating effect, and the radiating is more balanced.

Further, the bar-shaped holes 12 are formed in the radiating fins 8, the radiating strips 13 are integrally formed on one side, close to the heat conducting plate 6, of the radiating fins 8, and the contact area between the radiating fins 8 and the air can be increased through the arrangement of the bar-shaped holes 12 and the radiating strips 13, so that the radiating effect is ensured, and the cooling efficiency is improved.

Further, two cooling tubes 5 run through and extend to the equal fixedly connected with water supply connector 14 of 2 left one ends of cooling jacket, two cooling tubes 5 run through and extend to the equal fixedly connected with water outlet connector 15 of one end on 2 right sides of cooling jacket, the setting through water supply connector 14 and water outlet connector 15 is convenient for cooling tube 5 to be connected with external coolant liquid pipeline, the coolant liquid gets into cooling tube 5 by water supply connector 14, discharge by water outlet connector 15 again, can guarantee that the coolant liquid circulation is smooth and easy, can not produce the blind spot.

The working principle is as follows: when the utility model is used, two cooling covers 2 are fixed at the outer side of an exhaust manifold body 1, the cooling covers 2 are fixed by using the threaded connection of a connecting bolt 4 and an adjacent connecting flange 3, the installation is completed, when the exhaust manifold body 1 works, cooling liquid enters the inside of a cooling pipe 5 and flows in the cooling cover 2 to exchange heat with the exhaust manifold body 1 for cooling, the cooling pipe 5 absorbs heat and transfers the heat to a heat conducting plate 6, the heat conducting plate 6 disperses and transfers the heat to a radiating fin 7, through the arrangement of a long hole 11 arranged in the radiating fin 7 and the radiating fins 8, the radiating fin 7 forms an annular thin-wall structure, a strip-shaped hole 12 is arranged on the radiating fin 8, a radiating strip 13 is fixedly connected, the contact area between the radiating fin 8 and air is increased, a reasonable gap is formed by the radiating fin 7 and the radiating fins 8, and the air flow distribution is reasonable, realize the efficient heat dissipation, the heat is discharged by the heat dissipation through-hole 10 of seting up on the heating panel 9 again, so, realized adding "two cold" modes of liquid cooling to exhaust manifold body 1 gas cooling, the cooling effect preferred avoids exhaust manifold body 1 high temperature, improve life, the operating temperature who has solved exhaust manifold improves, influence exhaust manifold's life, exhaust manifold can take place the thermal energy and lead to great deformation, can take place cracked problem when serious.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A cooling device for an engine exhaust manifold, comprising an exhaust manifold body (1), characterized in that: the front and the back of exhaust manifold body (1) all are provided with cooling cover (2) rather than the contact, two the both sides homogeneous body shaping of cooling cover (2) top and bottom has flange (3), adjacent two threaded connection has connecting bolt (4), two between flange (3) the inside of cooling cover (2) all is provided with cooling tube (5), two the both ends of cooling tube (5) run through respectively and extend to the outside of two cooling cover (2), two the equal fixedly connected with in inside of cooling cover (2) and heat-conducting plate (6) of cooling tube (5) contact, two the equal fixedly connected with in one side that heat-conducting plate (6) were carried on the back equally heat dissipation fin (7) that arrange, the equal fixedly connected with heat dissipation fin (8) of evenly distributed in top and bottom of fin (7), two the equal fixedly connected with in position that the inside of cooling cover (2) just is located the fin (7) outside dispels the heat dissipation The plate (9) is provided with heat dissipation through holes (10) which are uniformly distributed in the two heat dissipation plates (9).

2. A cooling apparatus for an engine exhaust manifold in accordance with claim 1, wherein: the parts of the two cooling pipes (5) positioned in the cooling cover (2) are arranged in a spiral shape.

3. A cooling apparatus for an engine exhaust manifold in accordance with claim 1, wherein: the side-view cross sections of the radiating fins (8) are arc-shaped, the circle centers of the radiating fins are inward, and the distance between every two adjacent radiating fins (8) increases progressively from inside to outside.

4. A cooling apparatus for an engine exhaust manifold in accordance with claim 1, wherein: the heat radiating fin is characterized in that elongated holes (11) are formed in the heat radiating fin (7), and the elongated holes (11) penetrate through the heat radiating fin (7).

5. A cooling apparatus for an engine exhaust manifold in accordance with claim 1, wherein: the heat dissipation structure is characterized in that strip-shaped holes (12) are formed in the heat dissipation fins (8), and heat dissipation strips (13) are integrally formed on one sides, close to the heat conduction plate (6), of the heat dissipation fins (8).

6. A cooling apparatus for an engine exhaust manifold in accordance with claim 1, wherein: two cooling tube (5) run through and extend to the equal fixedly connected with water supply connector (14) of left one end of cooling jacket (2), two cooling tube (5) run through and extend to the equal fixedly connected with water supply connector (15) of one end on cooling jacket (2) right side.

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