CN209053873U - A kind of good oil cooler of heat dissipation - Google Patents

Abstract

The utility model relates to hydraulic Oil Cooling Technology fields, disclose a kind of good oil cooler of heat dissipation, including core, left head, right end socket and bypass pipe, the outer wall setting radiating fin of left head, right end socket, the intracorporal air duct fin of core and oil duct fin, and specifically disclose the structure of air duct fin and oil duct fin.The oil cooler of the utility model has the advantages that good heat dissipation effect and stable.

Description

A kind of good oil cooler of heat dissipation

Technical field

The utility model relates to hydraulic cooling technical field, in particular to a kind of good oil cooler of heat dissipation.

Background technique

In use, the oil in hydraulic system can generate heat and influence the using effect of hydraulic system to hydraulic system, because This usually cools down the oil in hydraulic system using oil cooler.Oil cooler is mainly used on the circuit of hydraulic system. When work, hydraulic system high temperature oil stream carries out efficiently in heat exchanger with the cold air of forced flow through oil cooler device Heat exchange allows oil temperature to be down to operating temperature to ensure that host is carried out continuously normal operation, work is enable smoothly to carry out.Oil Cooler includes oily cooling core body and two end sockets connecting with oil cooler.

Cooling effect is one of the important indicator for measuring oil cooler superiority and inferiority, and there are many factor for influencing radiating efficiency, such as Shape, structure, material and the soldering node of cooler component part.Existing oil cooler haves the defects that as follows: (1) dissipating The shape and unreasonable structural design of hot fin, end socket etc., make heat dissipation effect have a greatly reduced quality；(2) oil cooler receives hydraulic oil The heat of transmitting, the oil pressure in cooler is also variation, and there are the prickers of many solder joints, especially radiating fin for oil cooler Weldering, in such Service Environment, after long-time use, radiating fin soldering places can be detached from, and cause heat dissipation effect unstable, And fastness is deteriorated.

Utility model content

For the drawbacks described above for solving the prior art, the utility model provides a kind of good oil cooler of heat dissipation.

A kind of good oil cooler of heat dissipation, including core, left head, right end socket and bypass pipe, left head are arranged in core The right side of core is arranged in the left side of body, right end socket, and bypass pipe is arranged in the other side of core and is connected to left head and right envelope Head, left head include the first opening as defined by first side, second side, third side, first end face and second end face Chamber, second side is opposite with third side, and first side and second side and third side all connect, the both ends of first side Equipped with oil inlet and sewage draining exit, wherein sewage draining exit is close to first end face, the outer surface of first side and second side intersection location Equipped with the first side plate bending, the outer surface of first side and third side intersection location is equipped with the second side plate bending, the first side plate bending and Be equipped with radiating fin in second side plate bending, right end socket include by the first side plate, the second side plate, third side plate, first end plate and Second open chamber defined by second end plate, the second side plate is opposite with third side plate, the first side plate and the second side plate and third Side plate all connects, and the outer surface of the first side plate and the second side plate intersection location is equipped with third side plate bending, the first side plate and third side The outer surface of plate intersection location is equipped with the 4th side plate bending, is designed with radiating fin in third side plate bending and the 4th side plate bending, and first One end of side plate is equipped with oil outlet.

In some embodiments, radiating fin with a thickness of 10-13mm, the spacing between adjacent heat radiation fin is 20- 25mm。

In some embodiments, the open edge of the first open chamber is equipped with by-passing valve mounting plate, by-passing valve mounting plate It is also connect with the edge of first end face, offers bypass passageways on by-passing valve mounting plate.

In some embodiments, it is set in the first open chamber there are two the first thickening block, first thickeies the both ends of block 221 It is linked together respectively with second side and third side.

In some embodiments, it is set in the second open chamber there are two the second thickening block, the second both ends for thickening block are divided It is not linked together with the second side plate and third side plate.

In some embodiments, by air duct layer and oil duct layer, alternately superposition is formed core, oil duct layer and left head and the right side The oil duct direction of end socket connection, oil duct layer is vertical with the air channel of air duct layer.

In some embodiments, air duct layer includes air duct fin and the short strip of paper used for sealing that air duct fin two sides are arranged in, air duct Fin is along runner direction in corrugated, and air duct fin is wavy perpendicular to runner direction and wave crest and trough are in flat, The peaks and troughs and oil duct layer soldering connection of air duct fin.

In some embodiments, oil duct layer includes top panel, lower panel, oil duct fin and two long strip of paper used for sealings, top panel, Lower panel and two long strip of paper used for sealings define that the oil duct that the fuel feeding of open at both ends passes through, oil duct fin are fixed in oil duct, oil duct wing Piece includes several first heat sink strips and several second heat sink strips, and the first heat sink strip and the second heat sink strip are alongst in Waveform and wave crest and trough are in flat, and the first heat sink strip and the second heat sink strip alternately connect side by side, and the first heat sink strip There are offset distance, the wave crest top panel solderings of the first heat sink strip and the second heat sink strip between wave crest and the wave crest of the second heat sink strip The trough and lower panel soldering connection of connection, the first heat sink strip and the second heat sink strip.

In some embodiments, on by-passing valve mounting plate, the other end and the soldering of right end socket connect the soldering of bypass pipe one end It connects.

The beneficial effects of the utility model are:

(1) end enclosure structure is improved, is provided with fin in two seamed edges of oil cooler end socket, it is cold improves oil But the radiating efficiency of device；

(2) the open edge of the first open chamber is arranged in by-passing valve mounting plate, leaves bigger space for being arranged Sewage draining exit clears up the dirt in oil cooler more thorough, is conducive to improve heat dissipation effect；

(3) air duct fin is in wave shape along runner direction, increases the heat exchange area of air duct fin, and curved waveform Shape can slow down wind speed, improve residence time of the air in the runner of air duct fin, improve heat dissipation effect；Air duct fin Perpendicular to runner direction, wavy and wave crest and trough are in flat, increase the brazing surface between air duct fin and oil duct layer Product, improves heat transfer efficiency, and also greatly expand the fastness and stability of air duct fin, avoid in certain high temperature and In the use environment of pressure, fin solder joint falls off, and ensure that the unimpeded of heat-transfer path；

(4) the first heat sink strip of oil duct fin and the second heat sink strip is alongst wavy and wave crest and trough are in Flat increases the brazing area between oil duct fin and top panel and lower panel, improves heat transfer efficiency, and also greatly The fastness and stability for expanding oil duct fin avoid in the use environment of certain high moderate pressure, the weldering of oil duct fin Falling off for point, ensure that the unimpeded of heat-transfer path；There is offset between the wave crest of first heat sink strip and the wave crest of the second heat sink strip Distance increases the resistance that hydraulic oil flows in peaks and troughs again, extends residence time of the hydraulic oil in oil duct fin, Improve heat dissipation effect.

Detailed description of the invention

Fig. 1 is the oil cooler structure figure of one embodiment of the utility model.

Fig. 2 is the left head structure chart in one embodiment of the utility model.

Fig. 3 is the left head sectional view in one embodiment of the utility model.

Fig. 4 is the left head internal structure chart in one embodiment of the utility model.

Fig. 5 is the right end enclosure structure figure in one embodiment of the utility model.

Fig. 6 is the right end socket sectional view in one embodiment of the utility model.

Fig. 7 is the right end socket internal structure chart in one embodiment of the utility model.

Fig. 8 is the oil duct layer structure chart in one embodiment of the utility model.

Fig. 9 is the air duct fin structure figure in one embodiment of the utility model.

Figure 10 is the air duct fin in one embodiment of the utility model perpendicular to runner direction sectional view.

Figure 11 is the air duct fin in one embodiment of the utility model along runner direction shape graph.

Figure 12 is the oil duct fin front schematic view in one embodiment of the utility model.

Figure 13 is the oil duct fin top view in one embodiment of the utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

Fig. 1-7 schematically shows a kind of good oil cooler of heat dissipation of embodiment according to the present utility model, Including core 1, left head 2, right end socket 3 and bypass pipe 4, the left side of core 1 is arranged in left head 2, and right end socket 3 is arranged in core 1 right side, it includes by first that the other side of core 1 and connection left head 2 and right end socket 3, left head 2, which is arranged in, in bypass pipe 4 First open chamber defined by side 211, second side 212, third side 213, first end face 214 and second end face 215 22, second side 212 and third side 213 are opposite, and first side 211 and second side 212 and third side 213 all connect, The both ends of first side 211 are equipped with oil inlet 2111 and sewage draining exit 2112, and wherein sewage draining exit 2112 is close to first end face 214, the The outer surface of one side 211 and 212 intersection location of second side is equipped with the first side plate bending 23, first side 211 and third side The outer surface of 213 intersection locations is equipped with the second side plate bending 24, is equipped with radiating fin in the first side plate bending 23 and the second side plate bending 24 Piece 25, right end socket 3 include by the first side plate 311, the second side plate 312, third side plate 313, first end plate 314 and the second end plate Second open chamber 32 defined by 315, the second side plate 312 is opposite with third side plate 313, the first side plate 311 and the second side plate 312 and third side plate 313 all connect, the outer surface of 312 intersection location of the first side plate 311 and the second side plate is equipped with third cambered surface Section 33, the first side plate 311 and the outer surface of 313 intersection location of third side plate are equipped with the 4th side plate bending 34,33 He of third side plate bending Radiating fin 25 is designed in 4th side plate bending 34, one end of the first side plate 311 is equipped with oil outlet 3111.The thickness of radiating fin 25 Degree is 10-13mm, and the spacing between adjacent heat radiation fin 25 is 20-25mm.

Left head 2 and right end socket 3 access the pipeline of hydraulic system, and the hydraulic oil entered from left head 2 passes through in core 1 With air carry out heat exchange it is cooling after, then flow out from right end socket 3.Specifically, hydraulic oil enters the first open cavity from oil inlet 2111 Then room 22, then be assigned in core 1 from the first open chamber 22 flows into the second open chamber 32 from core 1, and from oil outlet 3111 flow back into hydraulic system.

The structure of oil cooler end socket is optimized in present embodiment, improves the whole cooling effect of oil cooler Fruit, this is one of inventive point of the utility model.It is provided with fin in two seamed edges of oil cooler end socket in present embodiment, Improve the radiating efficiency of oil cooler.

As shown in Figure 3-4, the open edge of the first open chamber 32 is equipped with by-passing valve mounting plate 26, by-passing valve mounting plate 26 It is also connect with the edge of first end face 214, bypass passageways 261 is offered on by-passing valve mounting plate 26.The soldering of 4 one end of bypass pipe exists On by-passing valve mounting plate 26, the other end and right 3 soldering connection of end socket.Sometimes hydraulic oil can be more sticky, the stream in core 1 Dynamic property is poor, and hydraulic oil has little time that the pressure increase inside oil cooler can be made if discharge, when pressure is more than maximum working pressure When power, oil cooler there is the risk of explosion.In order to solve this problem, present embodiment is provided with bypass pipe 4, and on side At circulation passage 261 install by-passing valve, when internal pressure be more than certain limit when, by-passing valve can automatically open, section hydraulic oil from By-passing valve is directly entered bypass pipe 4, then flows out from right end socket 3, plays the role of pressure release.Oil cooler after a period of use, Interior meeting residual soil, is such as cleared up not in time in core 1, left head 2, right end socket 3 and bypass pipe 4, can reduce dissipating for oil cooler Thermal effect.Therefore present embodiment is provided with sewage draining exit 2112 in left head 2, and constantly sewage draining exit 2112 is envelope to normal use It closes, opening when needing blowdown.The open edge of the first open chamber 32 is arranged in the by-passing valve mounting plate 26 of present embodiment, Bigger space is left for sewage draining exit 2112 to be arranged, clears up the dirt in oil cooler more thorough.

As shown in Figure 3-4, it is set in the first open chamber 22 there are two the first thickening block 221, first thickeies the both ends of block 221 It is linked together respectively with second side 212 and third side 213.As shown in Fig. 6-7, set in the second open chamber 32 there are two Second thickeies block 321, and the both ends of the second thickening block 321 are linked together with the second side plate 312 and third side plate 313 respectively.Two Thickening block can prevent from punching end socket when the outer wall of left head 2 and right end socket 3 forms screw hole.

As shown in Figure 1, core 1 is by air duct layer 11 and oil duct layer 12, alternately superposition is formed, oil duct layer 12 and left head 2 and Right end socket 3 is connected to, and the oil duct direction of oil duct layer 12 is vertical with the air channel of air duct layer 11.

As shown in Fig. 1 and Fig. 9-11, air duct layer 11 includes air duct fin 112 and the short of 112 two sides of air duct fin is arranged in Strip of paper used for sealing 111, air duct fin 112 along runner direction in corrugated, air duct fin 112 it is wavy perpendicular to runner direction and Wave crest and trough are in flat, the peaks and troughs and 12 soldering connection of oil duct layer of air duct fin 112.The short soldering of strip of paper used for sealing 111 exists The open-mouth of first open chamber 22 and the second open chamber 32 prevents the hydraulic oil in chamber 24 from leaking from air duct layer 11, short Strip of paper used for sealing 111 also with 12 soldering connection of oil duct layer.12 soldering connection of oil duct layer of air duct fin 112 and its upper and lower two sides, that is, Say 122 soldering connection of plate below the wave crest of air duct fin 112 and the oil duct layer 12 of top, the trough of air duct fin 112 is under The upper surface of the oil duct layer 12 of side 121 soldering connection of plate.Air duct fin 112 is in wave shape along runner direction, increases air duct fin 112 heat exchange area, and curved waveform shape can slow down wind speed, improve air in the runner of air duct fin 112 Residence time improves heat dissipation effect.Fin is fixed by soldering, and heat is transmitted from pad, and soldering point becomes heat transfer Thermal resistance.Air duct fin 112 is wavy perpendicular to runner direction and wave crest and trough are in flat, make air duct fin 112 with It is face contact between oil duct layer 12, increases brazing area, improve heat transfer efficiency, and also greatly expand air duct fin 112 fastness and stability avoids in the use environment of certain high moderate pressure, and falling off for fin solder joint ensure that Heat-transfer path it is unimpeded.

As shown in Fig. 8 and Figure 12-13, oil duct layer 12 includes top panel 121, lower panel 122, oil duct fin 123 and two Long strip of paper used for sealing 124, top panel 121, lower panel 122 and two long strip of paper used for sealing 124 define the oil duct that the fuel feeding of open at both ends passes through, Oil duct fin 123 is fixed in oil duct, and oil duct fin 123 includes several first heat sink strips 1231 and several second heat sink strips 1232, the first heat sink strip 1231 and the second heat sink strip 1232 is alongst wavy and wave crest and trough are in flat, First heat sink strip 1231 and the alternately connection side by side, and the wave crest and the second heat sink strip of the first heat sink strip 1231 of the second heat sink strip 1232 There are offset distance, the wave crests and 121 pricker of top panel of the first heat sink strip 1231 and the second heat sink strip 1232 between 1232 wave crest The trough and 122 soldering connection of lower panel of weldering connection, the first heat sink strip 1231 and the second heat sink strip 1232.Oil duct layer 12 and soldering In the open-mouth of the first open chamber 22 and the second open chamber 32, it is connected to oil duct layer 12 with two end sockets.Long strip of paper used for sealing 124 With top panel 121, lower panel 122 also sealed with brazing, hydraulic leak is prevented.First heat sink strip 1231 and the second heat sink strip 1232 Alongst wavy and wave crest and trough are in flat, make oil duct fin 123 and top panel 121 and lower panel 122 Between be face contact, expand brazing area, improve heat transfer efficiency, and also greatly expand the secured of oil duct fin 123 Property and stability, avoid in the use environment of certain high moderate pressure, 123 solder joint of oil duct fin falls off, and ensure that biography Hot path it is unimpeded.There are offset distances between the wave crest of first heat sink strip 1231 and the wave crest of the second heat sink strip 1232, increase The resistance that hydraulic oil flows in peaks and troughs, extends residence time of the hydraulic oil in oil duct fin 123, improves Heat dissipation effect.

Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims (9)

1. a kind of good oil cooler of heat dissipation, which is characterized in that including core (1), left head (2), right end socket (3) and bypass It manages (4), left head (2) setting is on the left side of the core (1), the right side of right end socket (3) setting in the core (1) Side, the bypass pipe (4) are arranged the other side in the core (1) and are connected to the left head (2) and right end socket (3), institute Stating left head (2) includes by first side (211), second side (212), third side (213), first end face (214) and First open chamber (22) defined by biend (215), the second side (212) and third side (213) relatively, first Side (211) is all connect with second side (212) and third side (213), and the both ends of the first side (211) are equipped with oil inlet Mouth (2111) and sewage draining exit (2112), wherein the sewage draining exit (2112) is close to the first end face (214), the first side (211) the first side plate bending (23) are equipped with the outer surface of second side (212) intersection location, the first side (211) and the The outer surface of three sides (213) intersection location is equipped with the second side plate bending (24), first side plate bending (23) and the second side plate bending (24) it is equipped on radiating fin (25), the right end socket (3) includes by the first side plate (311), the second side plate (312), third Second open chamber (32) defined by side plate (313), first end plate (314) and the second end plate (315), second side plate (312) relatively with third side plate (313), first side plate (311) and second side plate (312) and third side plate (313) It all connects, the outer surface of first side plate (311) and the second side plate (312) intersection location is equipped with third side plate bending (33), the outer surface of first side plate (311) and third side plate (313) intersection location is equipped with the 4th side plate bending (34), It is designed with radiating fin (25) in the third side plate bending (33) and the 4th side plate bending (34), the one of first side plate (311) End is equipped with oil outlet (3111).

2. the good oil cooler of heat dissipation according to claim 1, which is characterized in that the thickness of the radiating fin (25) For 10-13mm, the spacing between adjacent heat radiation fin (25) is 20-25mm.

3. the good oil cooler of heat dissipation according to claim 1, which is characterized in that first open chamber (22) Open edge is equipped with by-passing valve mounting plate (26), and the by-passing valve mounting plate (26) also connect with the edge of first end face (214), Bypass passageways (261) are offered on the by-passing valve mounting plate (26).

4. the good oil cooler of heat dissipation according to claim 1, which is characterized in that in first open chamber (22) If there are two first thicken block (221), it is described first thicken block (221) both ends respectively with second side (212) and third side Face (213) is linked together.

5. the good oil cooler of heat dissipation according to claim 4, which is characterized in that in second open chamber (32) If there are two second thicken block (321), it is described second thicken block (321) both ends respectively with the second side plate (312) and third side Plate (313) is linked together.

6. the good oil cooler of heat dissipation according to claim 1, which is characterized in that the core (1) is by air duct layer (11) it is alternately superimposed and is formed with oil duct layer (12), the oil duct layer (12) is connected to the left head (2) and right end socket (3), institute The oil duct direction for stating oil duct layer (12) is vertical with the air duct layer air channel of (11).

7. the good oil cooler of heat dissipation according to claim 6, which is characterized in that the air duct layer (11) includes air duct Fin (112) and setting are in the short strip of paper used for sealing (111) of air duct fin (112) two sides, and the air duct fin (112) is along runner In corrugated, the air duct fin (112) is wavy perpendicular to runner direction and wave crest and trough are in flat, described in direction The peaks and troughs of air duct fin (112) and oil duct layer (12) soldering connection.

8. the good oil cooler of heat dissipation according to claim 6, which is characterized in that the oil duct layer (12) includes above Plate (121), lower panel (122), oil duct fin (123) and two long strip of paper used for sealing (124), the top panel (121), lower panel (122) and two long strip of paper used for sealing (124) defines the oil duct that the fuel feeding of open at both ends passes through, and the oil duct fin (123) is fixed on In oil duct, the oil duct fin (123) includes several first heat sink strips (1231) and several second heat sink strips (1232), institute It states the first heat sink strip (1231) and the second heat sink strip (1232) is alongst wavy and wave crest and trough are in flat, The alternately connection side by side of first heat sink strip (1231) and the second heat sink strip (1232), and the wave crest of the first heat sink strip (1231) and There are offset distance, first heat sink strip (1231) and the second heat sink strips (1232) between the wave crest of second heat sink strip (1232) Wave crest top panel (121) soldering connection, the trough of first heat sink strip (1231) and the second heat sink strip (1232) with it is following Plate (122) soldering connection.

9. the good oil cooler of heat dissipation according to claim 2, which is characterized in that bypass pipe (4) one end soldering On the by-passing valve mounting plate (26), the other end and right end socket (3) soldering connection.