CN104533591A - Outer cover component for forced cooling ventilator - Google Patents
Outer cover component for forced cooling ventilator Download PDFInfo
- Publication number
- CN104533591A CN104533591A CN201410768464.7A CN201410768464A CN104533591A CN 104533591 A CN104533591 A CN 104533591A CN 201410768464 A CN201410768464 A CN 201410768464A CN 104533591 A CN104533591 A CN 104533591A
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- China
- Prior art keywords
- pinboard
- cooling
- led
- guide sleeve
- outer outlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
- F01P5/06—Guiding or ducting air to, or from, ducted fans
Abstract
The invention discloses an outer cover component for a forced cooling ventilator. The outer cover component for the forced cooling ventilator comprises a fan cover and an air director component which is tightly adhered to the circumferential edge of the fan cover to form a through airtight air channel for cooling air circulation; because the air director component is tightly adhered to the circumferential edge of the fan cover to form the airtight through cooling space, the leakproofness of the whole cooling space is greatly improved, and the airflow loss in the cooling space is reduced so as to ensure the cooling effect; in addition, because of the airtight adhering structure of the fan cover and the air director component, the whole structure is more compact, and the space is saved.
Description
Technical field
The present invention relates to forced air cooling and lead to machine cooling field, particularly machine outer outlet body assembly is led in a kind of forced air cooling.
Background technique
The cooling duct of traditional general gasoline engines the forced air cooling, usually combined by the radiating fin of casing and cylinder head and fan guard parts and more air conducting cover, fan guard and air conducting cover adopt injection moulding or metal stamping process manufacture, and be connected with casing or cylinder head by the mode that bolt is fixing, the forming process of cooling blast is: air is under impeller action, constantly gather fan guard parts and casing, the certain space that cylinder head is formed, this space pressure is increased, under pressure, the duct flows that namely reserved passageway along spatial joins is therewith made up of with casing and cylinder head radiating fin air conducting cover by air, to take away the heat of radiating fin, reach the object of cooled engine.Existing logical machine, because air guide sleeve coordinates not tight with fan guard, cooling space seal is influenced, will certainly cause a lot of windage losses, affect radiating effect.
Therefore, the outer outlet body existing forced air cooling being led to machine is needed to improve, make the cooperation between outer outlet body tightr, improve the closed type of cooling space, reduce the windage loss in cooling space, ensure radiating effect, and make compact overall structure, and this structure realizes simple, convenient operation, and be easy to remove and install and safeguard.
Summary of the invention
In view of this, the invention provides a kind of forced air cooling and lead to machine outer outlet body assembly, the circumference of fan guard and wind scooper is fitted tightly, make the cooperation between each parts tightr, improve the seal of cooling space, reduce the windage loss in cooling space, ensure radiating effect, and make compact overall structure.
Machine outer outlet body assembly is led in forced air cooling of the present invention, comprise fan guard and with fan guard edge circumference fit tightly formed for cooling air circulate the wind scooper component in through airtight air channel; Structure of the present invention is applicable to forced air cooling and leads to machine, wherein, fan guard is used for outer cover impeller, fan guard coordinates the air channel cooled for the formation of the casing (crankcase) to logical machine and cylinder head with wind scooper component, in the present embodiment, fan guard is the structure of sub-circular, thereafter end face is broken edge structure, indication edge circumference referred to along fan guard ear end face edge around one week, make internal cooling airtight space high by the mode fitted tightly, prevent the loss of cooling blast, thus reach the object ensureing radiating effect.
Further, the ear end face of fan guard is provided with along edge circumference and fits tightly cofferdam for overlapping formation with described fan housing assembly; By arranging cofferdam structure, the edge circumference of cofferdam to fan housing assembly forms coated overlap joint, not only has good outward appearance, and realizes fitting tightly by follow-up preload piece, do not need bonding, for convenience detach and installation.
Further, fan housing assembly comprises casing barge board and connects with casing barge board and lead to for corresponding the lower air guide sleeve that machine cylinder head forms cooling duct, and the front-end face edge of described casing barge board and described lower air guide sleeve is provided with for overlapping with described cofferdam the tenon structure being formed and fit tightly; Tenon structure refers to that the edge of casing barge board and lower air guide sleeve circumferentially forms sink structures, fitting and can eliminate the overlapping height difference produced in tenon structure and cofferdam, ensures level and smooth, ensure aesthetic appearance, and make the stabilized structure after fitting, reduce further to travel the vibration caused.
Further, lower air guide sleeve comprises the lower-left air guide sleeve and bottom right air guide sleeve that are connected respectively in described casing barge board both sides, and described lower-left air guide sleeve and described bottom right the air guide sleeve respectively corresponding both sides cylinder head leading to machine arrange and become both sides to surround to respective cylinder capitiform.
Further, fan guard comprises fan cover body, the axial substrate be provided with for the formation of logical machine cylinder head cooling duct that extends internally of described fan cover body; Substrate is arranged on inside fan cover body, self can be used for forming the cooling duct to cylinder head cooling, by the setting of this structure, not only can ensure sealing, and structure is compacter.
Further, substrate is provided with the plug in structure jointly forming cooling duct for grafting Pinboard and substrate; Wherein, Pinboard can realize the function of water conservancy diversion, the grafting fit system of itself and substrate, is not only easy to install, be convenient to dismounting, and make cooperation between the two more tight, greatly improve the seal of cooling space, thus reduce the windage loss in cooling space, ensure radiating effect, in addition, Pinboard is plugged on substrate and can regulates, to reach the object to cooling air quantity size adjustment the overcurrent space size of the cooling duct formed.
Further, Pinboard comprises left Pinboard and right Pinboard, and described plug in structure is be separately positioned on the inserting groove that substrate both sides coordinate for left Pinboard and right Pinboard grafting; Realize simple, convenient operation, and be easy to remove and install and safeguard, inserting groove inserts backward outer tilting mode with air guide sleeve in correspondence and arranges; After making upper left air guide sleeve and the grafting of upper right air guide sleeve, consistent with the true dip direction of logical machine cylinder head, the distance between corresponding and radiating fin is consistent, and is convenient to that cooling air is smooth and easy to be passed through, thus improves thermal diffusivity.
Further, left Pinboard and described right Pinboard are L shape structure, and form guide portion along front end, grafting direction, and rear end is formed to terminating in the spacing limited part of fan cover body; Guide portion plays leading role when grafting, and limited part makes to carry out when being plugged into certain distance spacing, is beneficial to control stroke.
Further, the fan cover body left and right sides is arranged for corresponding Pinboard limited part front end respectively to only forming spacing limiting board; Not only have position-limiting action, in addition, the outer ledge of limited part front end and limiting board fits tightly, and forms good confined space further, thus improves the seal of duct space.
Further, substrate back root is the flow guide structure that level and smooth arc-shaped transition forms to cooling air water conservancy diversion; Seamlessly transit structure and be beneficial to passing through of airflow smooth.
Beneficial effect of the present invention: machine outer outlet body assembly is led in forced air cooling of the present invention, edge circumference due to wind scooper component and fan guard relies on to fit tightly and forms through airtight cooling space, substantially increase the seal of overall cooling space, reduce the windage loss in cooling space, thus guarantee radiating effect, and fan guard of the present invention and wind scooper component fit tightly mode of structure, make overall structure compacter, conserve space.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is that wind scooper component of the present invention coordinates schematic diagram with logical machine;
Fig. 3 is fan guard of the present invention and Pinboard connection diagram;
Fig. 4 is lower air guide sleeve of the present invention and casing air damper structure schematic diagram;
Fig. 5 fan-cover structure schematic diagram of the present invention;
Fig. 6 is lower air guide sleeve structural representation of the present invention;
Fig. 7 is crankcase base schematic diagram of the present invention.
Embodiment
As shown in the figure: the present embodiment of the present embodiment there is the logical machine fitting tightly type fan housing, comprise fan guard 3 and fit tightly with fan guard edge circumference the wind scooper component formed for the through airtight air channel cooled logical machine; Structure of the present invention is applicable to forced air cooling and leads to machine, wherein, fan guard 3 is for outer cover impeller, fan guard 3 coordinates the air channel for the formation of cooling casing 1 (crankcase) and the cylinder head 2 of logical machine with wind scooper component, in the present embodiment, fan guard 3 is the structure of sub-circular, thereafter end face is broken edge structure, indication edge circumference referred to along fan guard 3 ear end face edge around one week, make internal cooling airtight space high by the mode fitted tightly, prevent the loss of cooling blast, thus reach the object ensureing radiating effect; In addition, logical machine also comprises cylinder head cover 19, cylinder head cover and fan guard edges close close fit.
In the present embodiment, the ear end face of fan guard 3 is provided with along edge circumference and fits tightly cofferdam 4 for overlapping formation with described wind scooper component; By arranging cofferdam 4 structure, the edge circumference of the 4 pairs of fan housing assemblies in cofferdam forms coated overlap joint, not only has good outward appearance, and realizes fitting tightly by follow-up preload piece, does not need bonding, for convenience detach and installation.
In the present embodiment, wind scooper component comprises casing barge board 5 and connects with casing barge board 5 and lead to for corresponding the lower air guide sleeve 6 that machine cylinder head 2 forms cooling duct, and the front-end face edge of casing barge board 5 and lower air guide sleeve 6 is provided with for overlapping with cofferdam 4 tenon structure 7 being formed and fit tightly; Tenon structure 7 refers to that the edge of casing barge board 5 and lower air guide sleeve 6 circumferentially forms sink structures, tenon structure 7 is fitted with cofferdam 4 can eliminate the overlapping height difference produced, and ensures level and smooth, ensures aesthetic appearance, and make the stabilized structure after fitting, reduce further to travel the vibration caused; Equally, cylinder head cover is provided with tenon structure, fits tightly with the cofferdam of fan guard, is formed airtight, prevents windage loss.
In the present embodiment, lower air guide sleeve 6 comprises the lower-left air guide sleeve 6a and bottom right air guide sleeve 6b that are connected respectively in described casing barge board 5 both sides, and described lower-left air guide sleeve 6a and the described bottom right air guide sleeve 6b respectively corresponding both sides cylinder head 2 leading to machine arranges and forms both sides encirclement to corresponding cylinder head 2.
In the present embodiment, fan guard 3 comprises fan cover body, the axial substrate 8 be provided with for the formation of logical machine cylinder head 2 cooling duct that extends internally of described fan cover body; Substrate 8 is arranged on inside fan cover body, self can be used for forming the cooling duct cooled cylinder head 2, by the setting of this structure, not only can ensure sealing, and structure is compacter.
In the present embodiment, substrate 8 is provided with the plug in structure jointly forming cooling duct for grafting Pinboard and substrate 8; Wherein, Pinboard can realize the function of water conservancy diversion, the grafting fit system of itself and substrate 8, is not only easy to install, be convenient to dismounting, and make cooperation between the two more tight, greatly improve the seal of cooling space, thus reduce the windage loss in cooling space, ensure radiating effect, in addition, Pinboard is plugged on substrate 8 and can regulates, to reach the object to cooling air quantity size adjustment the overcurrent space size of the cooling duct formed.
In the present embodiment, Pinboard comprises left Pinboard 9 and right Pinboard 10, and described plug in structure is be separately positioned on the inserting groove 11 that substrate 8 both sides coordinate for left Pinboard 9 and right Pinboard 10 grafting; Realize simple, convenient operation, and be easy to remove and install and safeguard, inserting groove inserts backward outer tilting mode with air guide sleeve in correspondence and arranges; After making upper left air guide sleeve and the grafting of upper right air guide sleeve, consistent with the true dip direction of logical machine cylinder head 2, the distance between corresponding and radiating fin is consistent, and is convenient to that cooling air is smooth and easy to be passed through, thus improves thermal diffusivity.
In the present embodiment, left Pinboard 9 and described right Pinboard 10 are L shape structure, and forming guide portion (being guide portion 11 and guide portion 11a in figure) along front end, grafting direction, rear end is formed to terminating in the spacing limited part of fan cover body 12 (being limited part 12 and limited part 12a in figure); Guide portion plays leading role when grafting, and limited part makes to carry out when being plugged into certain distance spacing, is beneficial to control stroke.
In the present embodiment, the fan cover body left and right sides is arranged for corresponding Pinboard limited part front end respectively to only forming spacing limiting board 13; Not only have position-limiting action, in addition, the outer ledge of limited part front end and limiting board fits tightly, and forms good confined space further, thus improves the seal of duct space.
In the present embodiment, substrate 8 back side root is the flow guide structure 14 that level and smooth arc-shaped transition forms to cooling air water conservancy diversion; Seamlessly transit structure and be beneficial to passing through of airflow smooth.
In addition, in the present embodiment, crankcase comprises integrated base 14, and base 14 is provided with stiffening rib and forms the lower cooling duct 18 for cooling crankcase and machine oil, and lower cooling duct is by arranging and the vent hole 15 at base 14 edge and the cavity connects in fan guard 3; By the lower cooling duct formed, cooling blast flows through lower cooling duct after water conservancy diversion, can effectively to the oil temperature cooling gathering crankcase bottom, thus ensure that machine oil is to the cooling effect of engine component, maintain motor traveling comfort, and reduce the gas discharging of motor; In addition, stiffening rib can not only increase the intensity of crankcase effectively, simultaneously because crankcase bottom thickness can be suitable on the basis of proof strength thinning, thus reduce produce, assembly cost.
In the present embodiment, stiffening rib comprises the suitable stiffening rib 16 arranged along cooling blast direction and the inverse stiffening rib 17 intersected vertically with suitable stiffening rib, and the height along stiffening rib is greater than the height of inverse stiffening rib; To be communicated with by the vent hole at base 14 edge between cooling duct with air guide sleeve down, rotating cooling blast enters base 14 lower surface from vent hole, due to effect of inertia, cooling blast will continue flowing along vent hole axial direction, therefore this direction is cooling blast direction, and the setting of stiffening rib adds bottom heat radiation area, strengthens cooling effect, the height that height along stiffening rib is greater than inverse stiffening rib ensures that cooling blast flows along predetermined direction, effectively utilizes cooling blast.
In addition, cylinder head surface is provided with radiating fin and forms upper cooling duct, and the root of twice air guide sleeve inner faces and each radiating fin of cylinder head surface is equidistantly arranged, wherein, as shown in the figure, cylinder head is arranged on above crankcase, cylinder head arranges radiating fin, air channel is formed between radiating fin, wind is forced to pass through in air channel, cylinder head is lowered the temperature, reach the effect of heat radiation, radiating fin root refers to the joint on radiating fin and cylinder head surface, lower air guide sleeve surrounds cylinder head both sides and arranges, form cooling duct, the root distance of each radiating fin that lower air guide sleeve internal surface is corresponding with lower air guide sleeve mounting point with cylinder head place is consistent, be beneficial to ensure that the radiating fin that cylinder head place is arranged is formed cooling duct in the wind speed of cooling blast and air quantity even, reduce the loss of cooling blast, thus guarantee radiating effect.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a machine outer outlet body assembly is led in forced air cooling, it is characterized in that: comprise fan guard and fit tightly with fan guard edge circumference the wind scooper component forming the through airtight air channel of circulating for cooling air.
2. machine outer outlet body assembly is led in forced air cooling according to claim 1, it is characterized in that: the ear end face of described fan guard is provided with along edge circumference and fits tightly cofferdam for overlapping formation with described fan housing assembly.
3. machine outer outlet body assembly is led in forced air cooling according to claim 2, it is characterized in that: described fan housing assembly comprises casing barge board and connects with casing barge board and lead to for corresponding the lower air guide sleeve that machine cylinder head forms cooling duct, and the front-end face edge of described casing barge board and described lower air guide sleeve is provided with for overlapping with described cofferdam the tenon structure being formed and fit tightly.
4. machine outer outlet body assembly is led in forced air cooling according to claim 3, it is characterized in that: described lower air guide sleeve comprises the lower-left air guide sleeve and bottom right air guide sleeve that are connected respectively in described casing barge board both sides, described lower-left air guide sleeve and described bottom right the air guide sleeve respectively corresponding both sides cylinder head leading to machine arrange and become both sides to surround to respective cylinder capitiform.
5. machine outer outlet body assembly is led in forced air cooling according to claim 4, it is characterized in that: described fan guard comprises fan cover body, the axial substrate be provided with for the formation of logical machine cylinder head cooling duct that extends internally of described fan cover body.
6. machine outer outlet body assembly is led in forced air cooling according to claim 5, it is characterized in that: described substrate is provided with the plug in structure jointly forming cooling duct for grafting Pinboard and substrate.
7. machine outer outlet body assembly is led in forced air cooling according to claim 6, it is characterized in that: described Pinboard comprises left Pinboard and right Pinboard, described plug in structure is be separately positioned on the inserting groove that substrate both sides coordinate for left Pinboard and right Pinboard grafting.
8. machine outer outlet body assembly is led in forced air cooling according to claim 7, it is characterized in that: described left Pinboard and described right Pinboard are L shape structure, and forms guide portion along front end, grafting direction, and rear end is formed to terminating in the spacing limited part of fan cover body.
9. machine outer outlet body assembly is led in forced air cooling according to claim 8, it is characterized in that: the described fan cover body left and right sides is arranged for corresponding Pinboard limited part front end respectively to only forming spacing limiting board.
10. machine outer outlet body assembly is led in forced air cooling according to claim 9, it is characterized in that: described substrate back root is the flow guide structure that level and smooth arc-shaped transition forms to cooling air water conservancy diversion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768464.7A CN104533591B (en) | 2014-12-11 | 2014-12-11 | The logical machine outer outlet body component of air blast cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768464.7A CN104533591B (en) | 2014-12-11 | 2014-12-11 | The logical machine outer outlet body component of air blast cooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104533591A true CN104533591A (en) | 2015-04-22 |
| CN104533591B CN104533591B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768464.7A Active CN104533591B (en) | 2014-12-11 | 2014-12-11 | The logical machine outer outlet body component of air blast cooling |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN2898321Y (en) * | 2006-04-04 | 2007-05-09 | 马云峰 | Ventilating cooler of portable engine |
| JP2008138614A (en) * | 2006-12-04 | 2008-06-19 | Kubota Corp | Air-cooled v-type engine |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| US20090044781A1 (en) * | 2007-08-17 | 2009-02-19 | Yunfeng Ma | Portable Engine |
| CN203892003U (en) * | 2014-03-03 | 2014-10-22 | 浙江耀锋动力科技有限公司 | Engine oil cooling system of forcible air cooling small-sized gasoline engine |
| CN204283656U (en) * | 2014-12-11 | 2015-04-22 | 隆鑫通用动力股份有限公司 | Logical machine outer outlet body assembly |
-
2014
- 2014-12-11 CN CN201410768464.7A patent/CN104533591B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2675877Y (en) * | 2003-10-28 | 2005-02-02 | 肖亨琳 | Cooling system for engine of generator |
| CN2898321Y (en) * | 2006-04-04 | 2007-05-09 | 马云峰 | Ventilating cooler of portable engine |
| JP2008138614A (en) * | 2006-12-04 | 2008-06-19 | Kubota Corp | Air-cooled v-type engine |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| US20090044781A1 (en) * | 2007-08-17 | 2009-02-19 | Yunfeng Ma | Portable Engine |
| CN203892003U (en) * | 2014-03-03 | 2014-10-22 | 浙江耀锋动力科技有限公司 | Engine oil cooling system of forcible air cooling small-sized gasoline engine |
| CN204283656U (en) * | 2014-12-11 | 2015-04-22 | 隆鑫通用动力股份有限公司 | Logical machine outer outlet body assembly |
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| Publication number | Publication date |
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| CN104533591B (en) | 2017-03-15 |
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