Background technology
Work mechanism such as forklift, load wagon has powerful engine usually, will produce a large amount of heats during running, therefore needs heat radiation timely.In order to realize dispelling the heat timely, work mechanism all is equipped with heat sink assembly usually, receives the cooling fluid from engine circularly, cools off, and sends engine then back to.
General heat sink assembly comprises radiator, and the radiator frame that is used to support radiator, and radiator comprises the heat radiation core body again, members such as last fluid storage compartment and following fluid storage compartment.Upper and lower fluid storage compartment is connected with the heat radiation core body at two ends up and down respectively, makes upper and lower fluid storage compartment be communicated with cooling passage fluid in the heat radiation core body so that with cooling fluid introducing and the derivation core body that dispels the heat.Upper and lower fluid storage compartment all has the conduit that is communicated with the fluid storage compartment fluid and is used for being communicated with the cooling passage of engine.Upper and lower fluid storage compartment is fixed on the radiator frame by the connected mode of bolt and so on.
Yet, because above-mentioned radiator is traditional connected mode by for example bolt and so on, i.e. the mode of rigidity is connected to radiator frame, so the vibration of work mechanism will by radiator frame without any filtration be delivered on the radiating component, radiator is formed infringement.Industry uses aluminium to make radiator more and more, and the intensity of aluminium is relatively low, so the infringement that vibration causes is also just more serious.
In order to reduce the infringement that causes of vibration, can being connected between radiator and radiator frame adopt some vibration reducing measures usually.For example Chinese utility model CN2508199Y has announced a kind of radiator, comprise water inlet, last fluid storage compartment, following fluid storage compartment, delivery port, scaling hole and heat radiation pipe racks, be lined with rubber blanket between last fluid storage compartment top cover and the last fluid storage compartment, and fix with screw, the side plate of last fluid storage compartment and following fluid storage compartment and both sides is welded into an integral body, is lined with the sponge sealing gasket between heat radiation pipe racks both sides and the side plate.Although adopted rubber blanket and sponge sealing gasket in this utility model, objectively can play the effect of some vibration dampings a little, but fix and being connected of rigidity such as welding owing to remain screw between the parts (top cover, side plate) of the parts of radiator (going up fluid storage compartment, heat radiation pipe racks) and radiator frame, so the problem of vibration can't the solution of essence ground.
Summary of the invention
The present invention discloses a kind of heat sink assembly, this heat sink assembly comprises at least one heat radiation core body, at least two first fluid storage compartment and second fluid storage compartments that are connected to described at least one heat radiation core body two ends, and radiator frame.At least one fluid storage compartment cooperates with radiator frame by at least one resilient engagement device, this resilient engagement device comprises the flexible member that is arranged between fluid storage compartment and the radiator frame, is combined in the flexible member locating part on the fluid storage compartment and is combined in flexible member locating part on the radiator frame.
In the heat sink assembly of the present invention, cooperate by the resilient engagement device between heat dissipation element and the radiator frame, directly be not rigidly connected, can play the effect of damping, and assemble conveniently.
The present invention has also disclosed the assemble method of above-mentioned heat sink assembly, wherein said radiator frame comprises deckle board, left side deckle board, lower frame plate and right deckle board, described resilient engagement device comprises the flexible member that is arranged between fluid storage compartment and the radiator frame, be combined in the flexible member locating part on the fluid storage compartment, and be combined in flexible member locating part on the radiator frame, the step of described assemble method comprises: the lower frame plate of radiator frame is connected with the lower end of left deckle board and the lower end of right deckle board, flexible member is cooperated with flexible member locating part on being combined in lower frame plate, first fluid storage compartment that is connected in heat radiation core body one end is cooperated with described flexible member by the flexible member locating part that is combined on first fluid storage compartment, to go up deckle board and cooperate, and will go up deckle board and be connected with the upper end of left deckle board and the upper end of right deckle board with second fluid storage compartment.
In addition, the present invention has also disclosed a kind of above-mentioned heat sink assembly work mechanism that is equipped with.
The specific embodiment
Embodiment below in conjunction with the package assembly of description of drawings heat sink assembly of the present invention.Please note that the term " back-up ring " among the application is not limited to the back-up ring of annular, also comprises the circle such as other shape of rectangle.
As shown in Figure 1, heat sink assembly 1 of the present invention comprises: the heat radiation core body 10 that is used to dispel the heat, last fluid storage compartment 12 and following fluid storage compartment 14, and radiator frame.Last fluid storage compartment 12 and following fluid storage compartment 14 are connected to the heat radiation core body by the mode such as welding 10 about two ends, and are communicated with to accumulate the cooling fluid of cooling water, cold oil or other type with the interior cooling liquid flowing channel fluid of the core body 10 of dispelling the heat.Radiator frame comprises deckle board 2, lower frame plate 6, left deckle board 4 and right deckle board 8.The last deckle board 2 and the lower frame plate 6 that are anchored on left deckle board 4 and right deckle board 8 upper/lower terminals match with the last fluid storage compartment 12 and the following fluid storage compartment 14 that are connected in heat radiation core body 10 upper/lower terminals by the resilient engagement device from upper/lower terminal, thereby will dispel the heat core body 10 and up and down fluid storage compartment 12 and 14 be clipped in the middle flexibly, that is, be installed within the radiator frame flexibly.
Obviously, also can be with heat radiation core body horizontal (not shown), will the dispel the heat fluid storage compartment at core body and two ends thereof is installed in the radiator frame thereby the left deckle board 4 of radiator frame and right deckle board 8 are clamped two fluid storage compartments that are connected in heat radiation core body left and right two ends from left and right two ends.
According to the present invention, the resilient engagement device comprises flexible member, be combined in the flexible member locating part on the fluid storage compartment and be combined in flexible member locating part on the radiator frame.Fig. 2 has shown the state that the last deckle board 2 of the heat sink assembly 1 among Fig. 1 is opened, and can see flexible member 22 from this figure, and its material that is can be by rubber or other flexible or that have a cushioning effect is made, and can compress this flexible member in advance during installation.Fig. 3 has shown the state that the last deckle board 2 of the heat sink assembly 1 Fig. 1 is opened from the visual angle of lower point of observation, can see last deckle board 2 downsides that are combined in radiator frame and the flexible member locating part 20 and 202 that cooperates with flexible member 22 peripheries from this figure.As shown in the figure, described flexible member locating part both can be the back-up ring 20 of complete circle annular, also can form a plurality of (for example show among the figure four) arc block plate 202.The flexible member locating part that is combined on the fluid storage compartment will be hereinafter in conjunction with Fig. 5-9 explanation.
Fig. 4 is the front view of the heat sink assembly among Fig. 1.Fig. 5 and 6 is respectively the partial sectional view along A-A line among Fig. 4 and B-B line, has shown the details that cooperates between details and following fluid storage compartment 14 and the radiator frame of cooperating between last fluid storage compartment 12 and the radiator frame respectively.From Fig. 5 and 6 as seen, the flexible member locating part that is combined on the radiator frame comprises short column 24, and it inserts in the hole on fluid storage compartment 12 and 14 and is welded on fluid storage compartment 12 and 14.Obviously, short column 24 also can be integrally formed with fluid storage compartment, in seeing below to the explanation of Fig. 8.
Except short column 24, the flexible member locating part on the radiator frame also can comprise around described short column 24 back-up ring 20a that form, that cooperate with the periphery of flexible member 22, as shown in figure 12.Be appreciated that back-up ring 20a also can be substituted by a plurality of catch (not shown).In this case, short column 24 and flexible member 22 can be longer to increase back-up ring 20 on the radiator frame and the distance between the back-up ring 20a on the fluid storage compartment in case interfere.
Fig. 7 has shown the details of the local X among Fig. 4.As shown in the figure, the flexible member locating part that is combined on the last deckle board 2 of radiator frame is as shown in Figure 3 a plurality of (four) arc block plate 202, the flexible member locating part that is combined on the fluid storage compartment 12 also is a plurality of (four) arc block plate 204 rather than short column, arc block plate 202 and arc block plate 204 all cooperate with flexible member 22 peripheries and intermesh, thereby upwards stagger mutually in week.
Fig. 8 is the partial cutaway diagrammatic sketch according to the heat sink assembly of an embodiment of the present invention, has specifically shown cooperating between last fluid storage compartment 12 and the radiator frame.Structure shown in Figure 8 is similar to the structure shown in Fig. 5 and 6, and different is that short column 24 and last fluid storage compartment 12 are integrally formed.As seen from Figure 8, flexible member 22 is for having the disc in hole 220, and the flexible member locating part be respectively be integrally formed on fluid storage compartment 12 tops and penetrate flexible member 22 hole 220 short column 24 and be incorporated into last deckle board 2 downsides of radiator frame and engage the back-up ring 20 of flexible member 22 peripheries.
Described hole 220 generally is a centre bore, but also can be the hole that is not in the center obviously.Described hole 220 both can be a blind hole, also can be through hole as shown in Figure 8.In addition, the hole that can be cylindrical hole, square hole or other shape, described hole 220.Short column 24 can be ladder cylindrical, as illustrated in Figures 5 and 6 cylindrical or square column type or other shape as shown in Figure 8, is mated as long as can insert in the described hole 220.Since back-up ring 20 and flexible member 22 cooperate and the engagement limits of short column 24 and flexible member 22 motion of flexible member 22 on all directions on the horizontal plane, thereby last fluid storage compartment 12 all keeps fixing with the relative position of flexible member 22 on horizontal plane with last deckle board 2, therefore, the horizontal relative position between last fluid storage compartment 12 and the last deckle board 2 also is maintained fixed.
In order to prevent that short column 24 collides deckle board 2 when the high vibration, can on last deckle board 2, bore the position of a corresponding short column 24 and size hole 26, make short column 24 under the very violent situation of the vibration of vertical direction, can pass this hole 26 greater than the short column sectional dimension.In this case, the height of short column can be higher than the gap between fluid storage compartment 12 and the last deckle board 2, similar situation shown in Figure 6.Be appreciated that the height of back-up ring 20 should be set to less than the gap between last fluid storage compartment 12 and the last deckle board 2 in order to prevent that back-up ring 20 collides fluid storage compartment 12 when the high vibration.Can see, although go up not direct contact radiator frame of fluid storage compartment 12, by flexible member 22 pushed down by last deckle board 2 in vertical direction and limited in the horizontal direction fixing, so can fix with respect to last deckle board 2 flexibly indirectly.Can expect that back-up ring 20 and short column 24 can switches, that is, back-up ring 20 is combined on the fluid storage compartment 12 and short column 20 is combined in last deckle board 2 downsides (not shown) of radiator frame.
The partial perspective cutaway view of Fig. 9 has shown the package assembly of the heat sink assembly of a kind of optional embodiment of the present invention.Different with Fig. 8, the flexible member locating part that is incorporated into last deckle board 2 downsides of radiator frame is the back-up ring 20 that cooperates with the cannelure 222 of flexible member 22, and the flexible member locating part that is incorporated on the fluid storage compartment 12 is the back-up ring 240 that cooperates with the periphery of flexible member 22, staggers mutually diametrically thereby back-up ring 20 is different with back-up ring 240 diameters.
Figure 10 is the stereogram that shows the concrete structure of flexible member 22.As seen from the figure, flexible member 22 is disc, has centre bore 220.In order to increase pliability, on this flexible member 22, offered cannelure 222, damping capacity is further enhanced like this.Certainly, if the elasticity of demand element does not have higher flexibility, also can not offer cannelure.
Figure 11 has shown the design of another kind of flexible member 23, and wherein flexible member 23 is rectangular, has centre bore 230, and offers groove to increase flexibility.Correspondingly, the back-up ring that cooperates with this flexible member 23 on the deckle board also can form rectangle.Be appreciated that the rectangle back-up ring can be substituted by a plurality of catch that cooperate with rectangle flexible member 23, for example four catch that cooperate with the four edges of flexible member 23.
The following describes the assemble method of heat sink assembly of the present invention.At first, lower frame plate 6 is connected with the lower end of left deckle board 4 and the lower end of right deckle board 8, reserves heat radiation core body 10 such as deckle board 2 grades and fluid storage compartment 12,14 heat dissipation elements such as grade and install afterwards installation again.
Subsequently, the following fluid storage compartment 14 that is connected in heat radiation core body 10 lower ends is cooperated with radiator frame 6, concrete steps comprise: a flexible member is cooperated with flexible member locating part on being combined in lower frame plate 6, for example a flexible member 22 or 23 is filled in the back-up ring 20 or a plurality of catch 202 on the lower frame plate 6; The flexible member locating part that will be connected in then on the following fluid storage compartment 14 of heat radiation core body 10 lower ends cooperates with described flexible member, for example will descend in the short column 24 described flexible members 22 of insertion or 23 hole 220 or 230 on the fluid storage compartment 14.
Then, last deckle board 2 is cooperated with the last fluid storage compartment 12 that is connected in heat radiation core body 10 upper ends.This cooperation can be rigidly connected or resilient engagement device of the present invention is finished by known.When finishing by resilient engagement device of the present invention, the concrete steps of described cooperation comprise: another flexible member is cooperated with flexible member locating part on being combined in fluid storage compartment 12, for example the hole 220 or 230 of another flexible member 22 or 23 is enclosed within on the short column 24 on the fluid storage compartment 12; The flexible member locating part that to go up then on the deckle board 2 cooperates with described another flexible member, and back-up ring 20 or a plurality of catch 202 that for example will go up on the deckle board 2 entangle described flexible member 22 or 23.
At last, thus be connected the assembling that entire radiator assembly 1 is finished in the assembling of finishing radiator frame by going up deckle board 2 with the upper end of left deckle board 4 and the upper end of right deckle board 8.
Because the package assembly of indirect flexibility of the present invention has been exempted between radiator element and the radiator frame directly being connected of rigidity, therefore this heat sink assembly can exempt when mounted between radiator element and the radiator frame Connection Step and can buffering vibration when operation.On work mechanism, adopt heat sink assembly of the present invention to increase the service life owing to its damping performance.
Though the present invention describes in conjunction with specific embodiments; but should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make and revise and replace, these modifications and replacement also should be considered as falling into protection scope of the present invention.