TWI803066B - water oil cooler - Google Patents

Abstract

A water-oil cooler includes a heat dissipation core, a connecting seat and an upper cover. The heat dissipation core defines an oil channel and a water channel, and includes an oil channel inlet connected to the oil channel, an oil channel outlet connected to the oil channel and opposite to the oil channel inlet, and an oil channel connected to the water channel. A waterway inlet of the channel, and a waterway outlet connected to the waterway channel and opposite to the waterway inlet. The connection seat includes a base plate connected to the top surface of the core body, and two protruding members formed on the base plate and each defining a chamber, one of the protruding members is arranged at the inlet of the waterway, and the other One is set at the outlet of the waterway. The upper cover is arranged on the connecting seat to increase the contact area of the heat dissipation core, the connecting seat and the upper cover, thereby enhancing the assembly strength of the water-oil cooler.

Description

water oil cooler

The invention relates to a cooler, in particular to a water-oil cooler for cooling machine oil and cooling water.

An existing water-oil cooler comprises a heat dissipation core body and a partition plate welded on the top of the heat dissipation core body. A water channel, a water channel connected by a water channel inlet and a water channel outlet, the partition plate is used to separate the oil channel and the water channel, and jointly defines a An oil inlet buffer space at the entrance of the oil passage, and a water inlet buffer space adjacent to the water passage inlet are used for a cooling water and a machine oil to flow in respectively.

The cooling water flows from the water buffer into the water channel, and the engine oil flows from the oil buffer into the oil channel to ensure that the temperatures of the engine oil and the cooling water are within a normal working range.

However, in the existing water-oil cooler, the partition plate is connected to the top of the heat dissipation core by welding, but the size of the welding surface of the partition depends on the The section thickness of the partition plate cannot be adjusted arbitrarily. Therefore, the partition plate of the existing water-oil cooler is not only difficult to weld to the predetermined position, but when the existing water-oil cooler is in a high-pressure environment, the partition plate is more likely to fall off from the top of the heat dissipation core And separated.

Therefore, the object of the present invention is to provide a water-oil cooler capable of overcoming the above disadvantages.

Therefore, the water-oil cooler of the present invention is suitable for heat exchange to reduce the temperature of cooling water and engine oil discharged from an engine. The water-oil cooler includes a heat dissipation core, a connecting seat and an upper cover. The heat dissipation core defines an oil passage and a water passage, and the heat dissipation core includes a top surface of the core body, a surrounding surface connected to the top surface of the core body, a surrounding surface opposite to the top surface of the core body and connected to the surrounding surface The bottom surface of the core body, an oil passage inlet connected with the oil passage and for the oil to flow in, an oil passage outlet connected with the oil passage and opposite to the oil passage inlet, and an oil passage connected with the water passage and allowed for the cooling water to flow in A waterway inlet, and a waterway outlet connected to the waterway channel and opposite to the waterway inlet. The connection seat includes a base plate connected to the top surface of the core, and two protruding members formed on the base plate relative to the heat dissipation core and each defining a chamber, the base plate has two respectively communicating with the chambers An opening, an oil hole communicating with the outlet of the oil passage, and a connection surface connected to the top surface of the core, one of the protruding members is arranged at the inlet of the water passage, and the protruding members The other one is arranged at the outlet of the water channel, and each of the protruding members has an internal communication hole communicating with the chamber. The upper cover is arranged above the connection seat, and includes an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two outer communication holes passing through the outer peripheral surface and the inner peripheral surface, and the outer communication holes correspond to communicate with the internal communication holes.

Therefore, the water-oil cooler of the present invention is suitable for heat exchange to reduce the temperature of cooling water and engine oil discharged from an engine. The water-oil cooler includes a heat dissipation core, a connecting seat and an upper cover. The heat dissipation core defines an oil passage and a water passage, and the heat dissipation core includes a top surface of the core body, a surrounding surface connected to the top surface of the core body, a surrounding surface opposite to the top surface of the core body and connected to the surrounding surface The bottom surface of the core body, an oil passage inlet connected with the oil passage and for the oil to flow in, an oil passage outlet connected with the oil passage and opposite to the oil passage inlet, and an oil passage connected with the water passage and allowed for the cooling water to flow in A waterway inlet, and a waterway outlet connected to the waterway channel and opposite to the waterway inlet. The connection seat includes a base plate connected to the top surface of the core, and two protruding members formed on the base plate relative to the heat dissipation core and each defining a chamber, the base plate has two respectively communicating with the chambers An opening, an oil hole communicating with the outlet of the oil passage, and a connecting surface connected to the top surface of the core body, one of the protruding members is arranged at the inlet of the oil passage, and the other of the protruding members The ones are arranged at the outlet of the oil passage, and each of the protruding members has an internal communication hole communicating with the chamber. The upper cover is arranged above the connection seat, and includes an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two outer communication holes passing through the outer peripheral surface and the inner peripheral surface, and the outer communication holes correspond to communicate with the internal communication holes.

The effect of the present invention is: by connecting the base plate of the connection base to the top surface of the core, and setting the upper cover above the heat dissipation core and the connection base, the heat dissipation core, the connection base and the connection base can be increased. The contact area of the upper cover enhances the assembly strength of the water-oil cooler and prevents the connection seat and the upper cover from falling off from the heat dissipation core.

1: cooling core

11: Oil channel

12:Waterway channel

13: Core top surface

14: surround surface

15: Core bottom surface

16: Oil entrance

17:Oil outlet

18: Waterway Entrance

19:Waterway exit

2: Connection seat

21: Substrate

211: opening

212: oil hole

212': water hole

213: connection surface

22: Raised member

221: Containment room

222: fit the wall

223: extension wall

224: Inner connecting hole

3: Top cover

31: Outer peripheral surface

32: inner peripheral surface

33: Outer connecting hole

4: connecting pipe

91: Pivot

92:Oil filter

93: engine

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is an embodiment of the water-oil cooler of the present invention, a pivot, an oil filter and an engine A schematic diagram; Fig. 2 is a three-dimensional combined view of the embodiment, the pivot and the oil filter; Fig. 3 is a three-dimensional exploded view of the embodiment; Fig. 4 is another three-dimensional exploded view of the embodiment; Fig. 5 is a top view of the embodiment, the pivot and the oil filter assembled; FIG. 6 is a cross-sectional view taken along the VI-VI line of FIG. 5; FIG. 7 is a partially enlarged schematic view of FIG. 6; FIG. 8 It is a sectional view taken along the VIII-VIII line of Fig. 5; Fig. 9 is a sectional view taken along the IX-IX line of Fig. 5; Fig. 10 is a partially enlarged schematic view of Fig. 9; and Fig. 11 is the embodiment A three-dimensional exploded view of a variation example of .

Referring to Fig. 1 and Fig. 2, an embodiment of the water-oil cooler of the present invention is suitable for being assembled on an oil filter 92 with a pivot 91, and is suitable for heat exchange and reduces the cooling water that an engine 93 discharges (not shown in the figure) Shown) and oil (not shown) temperature.

Referring to FIG. 3 to FIG. 5 , this embodiment includes a heat dissipation core 1 , a connection seat 2 , an upper cover 3 , and two communicating pipes 4 .

The heat dissipation core 1 defines an oil channel 11 and a water channel 12 which are not connected. The heat dissipation core 1 includes a core top surface 13, a surrounding surface 14 connected to the core top surface 13, an opposite On the top surface 13 of the core and connected to the bottom surface 15 of the surrounding surface 14, an oil inlet 16 that communicates with the oil channel 11 and allows the oil to flow into the cooling core 1, an oil channel that communicates with the oil channel 11 and An oil outlet 17 corresponding to the oil inlet 16, a water inlet 18 connected to the water channel 12 and for the cooling water to flow into the heat dissipation core 1, and a water outlet 18 connected to the water channel 12 and opposite to the water inlet 18 The waterway outlet 19 , the oilway outlet 17 , the waterway inlet 18 and the waterway outlet 19 are opened on the top surface 13 of the core body, and the oilway inlet 16 is opened on the bottom surface 15 of the core body.

The connection seat 2 includes a base plate 21 connected to the heat dissipation core 1, and two protruding members 22 formed on the base plate 21 relative to the heat dissipation core 1 and each defining a chamber 221. The base plate 21 has two The opening 211 communicating with the chambers 221, the oil hole 212 communicating with the outlet 17 of the oil passage, and the connection surface connected to the top surface 13 of the core respectively 213, one of the protruding members 22 is sleeved in the water channel inlet 18, the other of the protruding members 22 is sleeved in the water channel outlet 19, and each of the protruding members 22 has a The bonding wall 222 of 21, an extension wall 223 connecting the bonding wall 222 and the substrate 21, and an internal communication hole 224 communicating with the chamber 221 and opening in each bonding wall 222, more precisely, Each of the protruding members 22 is composed of an individual adhering wall 222 and an individual extending wall 223 .

In this embodiment, the substrate 21 and the protruding members 22 are made of the same material, more precisely, the substrate 21 and the protruding members 22 are both aluminum, but not limited thereto. The base plate 21 and the protruding members 22 are integrally formed by a punching machine in advance, so that the protruding members 22 can be easily positioned on the base plate 21 to conform to expected positions.

In this embodiment, the openings 211 are not smaller than the waterway inlet 18 and the waterway outlet 19 respectively, so that the contact area between the substrate 21 and the protruding members 22 is increased, so that the substrate 21 and the protruding members 22 The connection relationship between the components 22 is more stable, which also makes the connection relationship between the heat dissipation core 1 and the connection seat 2 more stable.

The upper cover 3 is sleeved on the connecting base 2 and connected to the heat dissipation core 1. The upper cover 3 includes an outer peripheral surface 31, an inner peripheral surface 32 opposite to the outer peripheral surface 31, and two through the outer peripheral surface 31 and the outer peripheral surface 31. The outer communication holes 33 of the inner peripheral surface 32, the inner peripheral surface 32 of the upper cover 3 is attached to the protruding members 22, and the outer communication holes 33 communicate with the inner communication holes 224 respectively for the cooling. Water flows into the waterway inlet 18, the waterway channel 12, the waterway outlet 19, and the adjacent waterway inlet 18 from the chamber 221 adjacent to the waterway inlet 18. The chamber 221 of the road exit 19.

In this embodiment, the upper cover 3 is in a hollow ring shape, and the curvature of the inner peripheral surface 32 corresponds to the fitting wall 222, thereby increasing the contact area between the connecting seat 2 and the upper cover 3, so the upper cover 3 and the upper cover 3 When the connecting seat 2 is combined, the assembly strength between the two is improved.

The connecting pipes 4 are respectively pierced through the outer communicating holes 33, and each communicating pipe 4 is pierced through the corresponding outer communicating holes 33 and the corresponding inner communicating holes 224, so as to supply the cooling water from the adjacent The communication pipe 4 of the waterway inlet 18 flows into the waterway channel 12 and flows out from the communication pipe 4 adjacent to the waterway outlet 19 .

Referring to Fig. 6 and Fig. 7, during actual operation, make the cooling water flow into the corresponding chamber 221 from the connecting pipe 4 adjacent to the waterway inlet 18, so as to pass into the waterway channel 12 (as shown in Fig. Shown in the arrow direction of the waterway inlet 18), then flow from the waterway outlet 19 to the corresponding chamber 221 (as shown in the arrow direction adjacent to the waterway outlet 19 in Figure 7), and in the adjacent waterway The communication pipe 4 of the outlet 19 flows out.

Furthermore, referring to Fig. 8 to Fig. 10, the engine oil is made to flow into the oil passageway 11 from the oil passage inlet 16 (as shown in the arrow direction adjacent to the oil passage inlet 16 in Fig. 10), and 17 flows into the oil filter 92 (as shown in the arrow direction adjacent to the oil outlet 17 in FIG. 10 ).

The cooling water and the engine oil can flow into the water channel 12 and the oil channel 11 respectively at the same time period. Since the water channel 12 and the oil channel 11 are not connected, the present embodiment uses the cooling core body 1 pair The cooling water exchanges heat with the engine oil to Make sure that the temperature of the engine oil and the cooling water are within the normal working range.

Furthermore, referring to Fig. 11, a variation example of this embodiment is also suitable for heat exchange to reduce the temperature of cooling water (not shown) and engine oil (not shown) discharged by an engine 93, the difference with this embodiment That is, in this modification example, the base plate 21 has a water hole 212' communicating with the water channel outlet 19, the water channel inlet 18 is opened on the core bottom surface 15, the water channel outlet 19, the oil channel inlet 16 and the oil channel The outlet 17 is opened on the top surface 13 of the core body, one of the protruding members 22 is arranged at the oil passage inlet 16, the other of the protruding members 22 is arranged at the oil passage outlet 17, and the The openings 211 (as shown in FIG. 4 ) are not smaller than the oil passage inlet 16 and the oil passage outlet 17 respectively.

Therefore, in this modification example, the cooling water and the engine oil can also flow into the water passage 12 and the oil passage 11 respectively at the same time period. Since the water passage 12 and the oil passage 11 are not connected, the change For example, the heat exchange between the cooling water and the engine oil by the cooling core 1 can also ensure that the temperatures of the engine oil and the cooling water are within the normal working range.

Therefore, the water-oil cooler of the present invention can achieve the following effects:

(1) By making the curvature of the fitting walls 222 correspond to the inner peripheral surface 32, to increase the contact area between the connecting seat 2 and the upper cover 3, when the connecting seat 2 and the upper cover 3 are combined, the The assembly strength between the connecting seat 2 and the upper cover 3 .

(2) The connection surface 213 of the substrate 21 is connected to the top surface 13 of the core to increase the contact area between the connection base 2 and the heat dissipation core 1, which can improve the connection The assembly strength between the seat 2 and the heat dissipation core 1, and the upper cover 3 is sleeved and connected to the connection seat 2 and the heat dissipation core 1, and the joint between the heat dissipation core 1, the connection seat 2 and the upper cover 3 is lifted. assembly strength.

(3) Perform heat exchange between the cooling water and the engine oil through the cooling core 1 to ensure that the temperatures of the engine oil and the cooling water are within the normal working range.

In summary, so can really reach the purpose of the present invention.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

1: cooling core

11: Oil channel

12:Waterway channel

13: Core top surface

14: surround surface

15: Core bottom surface

17:Oil outlet

18: Waterway Entrance

19:Waterway exit

2: Connection seat

21: Substrate

212: oil hole

22: Raised member

222: fit the wall

223: extension wall

224: Inner connecting hole

3: Top cover

31: Outer peripheral surface

32: inner peripheral surface

33: Outer connecting hole

4: Connecting pipe

Claims (10)

A water-oil cooler suitable for heat exchange to reduce the temperature of cooling water discharged from an engine and the temperature of engine oil, the water-oil cooler comprising: A heat dissipation core, defining an oil passage and a water passage, the heat dissipation core includes a top surface of the core, a surrounding surface connected to the top surface of the core, a surrounding surface opposite to the top surface of the core and connected to the surrounding surface The bottom surface of the core, an oil inlet connected to the oil channel and for the oil to flow in, an oil outlet connected to the oil channel and opposite to the oil inlet, an oil channel connected to the water channel and allowed to flow in the cooling water and a waterway outlet connected to the waterway passage and opposite to the waterway inlet; A connection seat, including a base plate connected to the top surface of the core, and two protruding members formed on the base plate relative to the heat dissipation core and each defining a chamber, the base plate has two respectively communicating with the chambers The opening of the oil passage, an oil hole connected to the outlet of the oil passage, and a connecting surface connected to the top surface of the core body, one of the protruding members is arranged at the water passage inlet, and the other of the protruding members or arranged at the outlet of the waterway, and each of the protruding members has an inner communicating hole communicating with the containing chamber; and An upper cover is arranged on the connecting seat, the upper cover includes an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two outer communication holes passing through the outer peripheral surface and the inner peripheral surface, and the outer communication holes are respectively Correspondingly communicate with these inner communicating holes. The water-oil cooler as described in Claim 1 further includes two communication pipes respectively pierced through the outer communication holes, each of the communication pipes is passed through the corresponding outer communication hole and the corresponding inner communication hole. The water-oil cooler according to claim 1, wherein the water inlet, the water outlet and the oil outlet are opened on the top surface of the core, and the oil inlet is opened on the bottom surface of the core. The water-oil cooler as claimed in claim 1, wherein the inner peripheral surface of the upper cover is attached to the protruding members. The water-oil cooler according to claim 1, wherein each of the protruding members also has a bonding wall whose curvature corresponds to the inner peripheral surface and connects the base plate, and a bonding wall connecting the bonding wall and the base plate The extension wall, the internal communication hole of each protruding member is opened on each of the bonding walls. A water-oil cooler suitable for heat exchange to reduce the temperature of cooling water discharged from an engine and the temperature of engine oil, the water-oil cooler comprising: A heat dissipation core, defining an oil passage and a water passage, the heat dissipation core includes a top surface of the core, a surrounding surface connected to the top surface of the core, a surrounding surface opposite to the top surface of the core and connected to the surrounding surface The bottom surface of the core, an oil inlet connected to the oil channel and for the oil to flow in, an oil outlet connected to the oil channel and opposite to the oil inlet, an oil channel connected to the water channel and allowed to flow in the cooling water and a waterway outlet connected to the waterway passage and opposite to the waterway inlet; A connection seat, including a base plate connected to the top surface of the core, and two protruding members formed on the base plate relative to the heat dissipation core and each defining a chamber, the base plate has two respectively communicating with the chambers The opening of the opening, a water hole connected to the outlet of the water channel, and a connection surface connected to the top surface of the core, one of the protruding members is arranged at the inlet of the oil channel, and the other of the protruding members or arranged at the outlet of the oil passage, and each of the protruding members has an inner communicating hole communicating with the containing chamber; and An upper cover is arranged on the connecting seat, the upper cover includes an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two outer communication holes passing through the outer peripheral surface and the inner peripheral surface, and the outer communication holes are respectively Correspondingly communicate with these inner communicating holes. The water-oil cooler as described in Claim 6, further comprising two communication pipes respectively pierced through the outer communication holes, each of the communication pipes is passed through the corresponding outer communication holes and the corresponding inner communication holes hole. The water-oil cooler as claimed in claim 6, wherein the inlet of the water channel is opened on the bottom surface of the core body, and the outlet of the water channel, the inlet of the oil channel and the outlet of the oil channel are opened on the top surface of the core body. The water-oil cooler as claimed in claim 6, wherein the inner peripheral surface of the upper cover is attached to the protruding members. The water-oil cooler according to claim 6, wherein each of the protruding members also has a bonding wall whose curvature corresponds to the inner peripheral surface and connects the base plate, and a bonding wall connecting the bonding wall and the base plate The extension wall, the internal communication hole of each protruding member is opened on each of the bonding walls.

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