CN104533591B - The logical machine outer outlet body component of air blast cooling - Google Patents
The logical machine outer outlet body component of air blast cooling Download PDFInfo
- Publication number
- CN104533591B CN104533591B CN201410768464.7A CN201410768464A CN104533591B CN 104533591 B CN104533591 B CN 104533591B CN 201410768464 A CN201410768464 A CN 201410768464A CN 104533591 B CN104533591 B CN 104533591B
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- CN
- China
- Prior art keywords
- cooling
- plugboard
- kuppe
- air blast
- 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 a kind of logical machine outer outlet body component of air blast cooling, is circumferentially brought into close contact the wind scooper component to form the closed air channel of the insertion logical for cooling airflow including fan guard and with fan shroud rim；It is brought into close contact to form the closed cooling space of insertion as wind scooper component is circumferentially relied on the edge of fan guard, substantially increase the seal in overall cooling space, reduce the windage loss in cooling space, so as to ensure radiating effect, and fan guard of the present invention is brought into close contact frame mode with wind scooper component, so that overall structure is compacter, space is saved.
Description
Technical field
The present invention relates to the logical machine cooling field of air blast cooling, the logical machine outer outlet body component of more particularly to a kind of air blast cooling.
Background technology
The cooling air channel of traditional general gasoline engines the forced air cooling, generally by casing and the fin and fan of cylinder head
Cap assembly and more air conducting cover are combined, and fan guard is with air conducting cover using injection or metal stamping process system
Make, the mode that blending bolt is fixed is connected with casing or cylinder head, and the forming process of cooling air-flow is：Air impeller effect under,
The certain space that fan cap assembly is formed with casing, cylinder head is constantly gathered, increases the space pressure, under pressure,
Air by along the reserved passageway being connected with this space i.e. by air conducting cover and casing and cylinder head groups of fins into air channel stream
Dynamic, to take away the heat of fin, reach the purpose of cooling engine.Existing logical machine, as kuppe is coordinated with fan guard
Not closely, cooling airtight space is impacted, will certainly cause a lot of windage losses, affects radiating effect.
Accordingly, it would be desirable to the outer outlet body to the logical machine of existing air blast cooling is improved, the cooperation between outer outlet body is made more to step up
Close, the hermetic type in cooling space is improved, is reduced the windage loss in cooling space, it is ensured that radiating effect, and is made overall structure tight
Gather, and this structure is realized simply, being easy to operate, and be readily disassembled installation and safeguard.
Content of the invention
In view of this, the present invention provides a kind of air blast cooling logical machine outer outlet body component, makes the week of fan guard and wind scooper
To being brought into close contact, make the cooperation between each part even closer, improve the seal in cooling space, reduce the air-flow in cooling space
Loss, it is ensured that radiating effect, and make compact overall structure.
The logical machine outer outlet body component of the air blast cooling of the present invention, is circumferentially brought into close contact including fan guard and with fan shroud rim
Form the wind scooper component in the closed air channel of the insertion logical for cooling airflow；Present configuration is applied to the logical machine of air blast cooling,
Wherein, fan guard is used for outer cover impeller, fan guard and wind scooper component coordinate for formed casing (crankcase) to leading to machine and
Cylinder head cooling air channel, in the present embodiment, fan guard is approximate circle structure, thereafter end face be broken edge structure, institute
Refer to that edge was circumferentially referred to along fan guard rear end face edge around one week, internal cooling airtight space is caused by way of being brought into close contact
Property high, prevent the loss of cooling air-flow, so as to reach the purpose for ensureing radiating effect.
Further, the rear end face of fan guard is circumferentially provided with to be formed closely for overlapping with the wind scooper component along edge
Laminating cofferdam；By arranging cofferdam structure, cofferdam circumferentially forms cladding overlap joint to the edge of fan housing component, not only has good
Outward appearance, and can realize being brought into close contact by follow-up preload piece, bonding is not required to, conveniently dismounting and installation.
Further, wind scooper component is included casing deep bead and is connected with casing deep bead and be used for corresponding leading to machine cylinder head shape
Into the lower kuppe of cooling air channel, the casing deep bead and the lower kuppe front end face edge be provided with for described
Cofferdam overlaps to form the tenon structure being brought into close contact；Tenon structure refers to the edge of casing deep bead and lower kuppe circumferentially shape
Into sink structures, tenon structure can eliminate the difference in height of Chong Die generation with cofferdam laminating, it is ensured that smooth, it is ensured that aesthetic appearance, and make
Stabilized structure after must fitting, further reduces vibration caused by travelling.
Further, lower kuppe includes being connected respectively lower-left kuppe and the bottom right in the casing deep bead both sides
Kuppe, the lower-left kuppe and the bottom right kuppe correspondingly lead to the both sides cylinder head of machine respectively and arrange and to respective cylinder capitiform
Surround into both sides.
Further, fan guard includes fan cover body, and the fan cover body is extended axially inwardly and is provided with for forming logical machine cylinder
The substrate of head cooling air channel；Substrate is arranged on side in fan guard body, itself can be used for forming the cooling air channel for cooling down cylinder head, leads to
The setting of the structure is crossed, can not only be ensured sealing, and structure is compacter.
Further, the connected structure for being collectively forming cooling air channel for grafting plugboard and substrate is provided with substrate；Its
In, plugboard can achieve the function of water conservancy diversion, and its grafting fit system with substrate is not only easy to install, easy to disassemble, and makes
The cooperation for obtaining between the two is even closer, greatly improves the seal in cooling space, so as to reduce cooling down the air-flow damage in space
Lose, it is ensured that radiating effect, in addition, plugboard is plugged on substrate can adjust to the fluid space size of the cooling air channel for being formed
Section, to reach the purpose to cooling air quantity size adjustment.
Further, plugboard includes left plugboard and right plugboard, and the connected structure is to be separately positioned on substrate both sides
For the inserting groove that left plugboard and right plugboard grafting coordinate；Realize simply, being easy to operate, and be readily disassembled installation and tie up
Shield, is arranged in the way of inserting groove is outwards tilting after correspondingly go up kuppe and insert；So that upper left kuppe and upper right kuppe are inserted
After connecing, consistent with the incline direction of logical machine cylinder head, corresponding distance and between fin is consistent, and is easy to cooling wind smooth logical
Cross, so as to improve thermal diffusivity.
Further, left plugboard and the right plugboard are L-shaped structure, and form guide part along grafting direction front end,
Rear end forms to support and terminates in the spacing limiting section of fan cover body；Guide part plays guide effect in grafting, and limiting section causes inserting
Carry out when being connected to certain distance spacing, beneficial to control stroke.
Further, the fan cover body left and right sides be respectively arranged to corresponding plugboard limiting section front end support only formed spacing
Limiting plate；There is position-limiting action not only, in addition, limiting section front end is brought into close contact with the outer ledge of limiting plate, further formed
Preferable confined space, so that improve the seal of duct space.
Further, substrate back root is that smooth arc-shaped transition forms the flow-guiding structure to cooling down wind water conservancy diversion；Seamlessly transit
Structure passes through beneficial to airflow smooth.
Beneficial effects of the present invention：The logical machine outer outlet body component of the air blast cooling of the present invention, due to wind scooper component and wind
The edge of fan cover substantially increases the closed of overall cooling space circumferentially by being brought into close contact to form the closed cooling space of insertion
Property, the windage loss in cooling space is reduced, so as to ensure radiating effect, and fan guard of the present invention is tight with wind scooper component
Closely connected conjunction frame mode so that overall structure is compacter, saves space.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is wind scooper component of the present invention and logical machine cooperation schematic diagram；
Fig. 3 is the fan guard of the present invention and plugboard connection diagram；
Fig. 4 is the lower kuppe and casing air damper structure schematic diagram of the present invention；
The fan-cover structure schematic diagram of Fig. 5 present invention；
Fig. 6 is the lower kuppe structural representation of the present invention；
Fig. 7 is the crankcase base schematic diagram of the present invention.
Specific embodiment
As shown in the figure：The present embodiment of the present embodiment with the logical machine for being brought into close contact type fan housing, including fan guard 3 and with
Fan shroud rim is circumferentially brought into close contact the wind scooper component to be formed for the closed air channel of insertion to leading to machine cooling；Present configuration
It is applied to the logical machine of air blast cooling, wherein, fan guard 3 is used for outer cover impeller, and it is right for being formed that fan guard 3 is coordinated with wind scooper component
The casing 1 (crankcase) of logical machine and the air channel of the cooling of cylinder head 2, in the present embodiment, fan guard 3 is approximate circle structure, thereafter
End face is broken edge structure, and indication edge was circumferentially referred to along 3 rear end face edge of fan guard around one week, by be brought into close contact
Mode causes internal cooling airtight space high, prevents the loss of cooling air-flow, so as to reach the purpose for ensureing radiating effect；Separately
Outward, logical machine also includes that cylinder head cover 19, cylinder head cover are brought into close contact cooperation with fan shroud rim.
In the present embodiment, the rear end face of fan guard 3 is circumferentially provided with for overlapping shape with the wind scooper component along edge
Into being brought into close contact cofferdam 4；By arranging 4 structure of cofferdam, cofferdam 4 circumferentially forms cladding overlap joint to the edge of fan housing component, not only
There is good outward appearance, and can realize being brought into close contact by follow-up preload piece, be not required to bonding, conveniently dismantle and install.
In the present embodiment, wind scooper component is included casing deep bead 5 and is connected with casing deep bead 5 and lead to machine for corresponding
Cylinder head 2 forms the lower kuppe 6 of cooling air channel, the front end face edge of casing deep bead 5 and lower kuppe 6 be provided with for enclose
The overlap joint of weir 4 forms the tenon structure 7 being brought into close contact；Tenon structure 7 refers to the edge edge week of casing deep bead 5 and lower kuppe 6
To sink structures are formed, tenon structure 7 can eliminate the difference in height of Chong Die generation with the laminating of cofferdam 4, it is ensured that smooth, it is ensured that outward appearance
Property, and the stabilized structure after laminating is caused, further reduce vibration caused by travelling；Equally, cylinder head cover is provided with tenon structure,
It is brought into close contact with the cofferdam of fan guard, formation is closed, prevents windage loss.
In the present embodiment, lower kuppe 6 includes being connected respectively in the lower-left kuppe of 5 both sides of casing deep bead
6a and bottom right kuppe 6b, the lower-left kuppe 6a and the bottom right kuppe 6b correspondingly lead to the both sides cylinder head 2 of machine respectively and set
Put and both sides are formed to corresponding cylinder head 2 and surround.
In the present embodiment, fan guard 3 includes fan cover body, the fan cover body extend axially inwardly be provided with logical for being formed
The substrate 8 of 2 cooling air channel of machine cylinder head；Substrate 8 is arranged on side in fan guard body, itself can be used for being formed to the cold of the cooling of cylinder head 2
But air channel, by the setting of the structure, can not only ensure sealing, and structure is compacter.
In the present embodiment, on substrate 8, be provided with the grafting knot that cooling air channel is collectively forming for grafting plugboard and substrate 8
Structure；Wherein, plugboard can achieve the function of water conservancy diversion, and its grafting fit system with substrate 8 is not only easy to install, easy to disassemble,
And cause cooperation between the two even closer, the seal in cooling space is greatly improved, so as to reduce cooling down in space
Windage loss, it is ensured that radiating effect, in addition, the fluid space that plugboard is plugged into cooling air channel that can be to being formed on substrate 8 is big
Little be adjusted, to reach the purpose to cooling air quantity size adjustment.
In the present embodiment, plugboard includes left plugboard 9 and right plugboard 10, and the connected structure is to be separately positioned on base
8 both sides of plate are used for the inserting groove 11 that left plugboard 9 and 10 grafting of right plugboard coordinate；Realize simply, being easy to operate, and being easy to tear open
Unload installation and safeguard, arrange in the way of inserting groove is outwards tilting after correspondingly go up kuppe and insert；So that upper left kuppe and the right side
After upper kuppe grafting, consistent with the incline direction of logical machine cylinder head 2, corresponding distance and between fin is consistent, and is easy to cold
But wind is smooth passes through, so as to improve thermal diffusivity.
In the present embodiment, left plugboard 9 and the right plugboard 10 are L-shaped structure, and are formed along grafting direction front end
Guide part (in figure for guide part 11 and guide part 11a), rear end form to support and terminate in the spacing limiting section 12 of fan cover body and (in figure be
Limiting section 12 and limiting section 12a)；Guide part plays guide effect in grafting, and limiting section is caused when certain distance is plugged into
Carry out spacing, beneficial to control stroke.
In the present embodiment, the fan cover body left and right sides is respectively arranged to corresponding plugboard limiting section front end and supports only formation limit
The limiting plate 13 of position；There is position-limiting action not only, in addition, limiting section front end is brought into close contact with the outer ledge of limiting plate, enter one
Step forms preferable confined space, so as to improve the seal of duct space.
In the present embodiment, 8 back side root of substrate is that smooth arc-shaped transition forms the flow-guiding structure 14 to cooling down wind water conservancy diversion；Flat
Sliding transition structure passing through beneficial to airflow smooth.
In addition, in the present embodiment, crankcase includes integrally formed base 14, and base 14 is provided with reinforcement and is formed to be used for
Cooling crankcase and the lower cooling air channel 18 of machine oil, lower cooling air channel is by arranging air vent 15 and fan with 14 edge of base
Cavity connection in cover 3；By the lower cooling air channel for being formed, when cooling air-flow flows through lower cooling air channel after water conservancy diversion, can
Effectively the oil temperature to gathering crankcase bottom is lowered the temperature, so as to ensure cooling effect of the machine oil to engine component,
Engine traveling comfort is maintained, and reduces the gas discharge of engine；In addition, reinforcement can not only effectively increase bent axle
The intensity of case, simultaneously as what crankcase bottom thickness can be appropriate on the basis of proof strength is thinning, so as to reduce production,
Assembly cost.
In the present embodiment, reinforcement includes suitable reinforcement 16 and the phase vertical with suitable reinforcement along cooling air-flow direction arrangement
The inverse reinforcement 17 that hands over, the height along reinforcement are more than the height of inverse reinforcement；Lower between cooling air channel and kuppe pass through bottom
The air vent connection at 14 edges of seat, rotating cooling air-flow enters 14 lower surface of base from air vent, due to effect of inertia,
Cooling air-flow will continue flowing along air vent axis direction, and therefore the direction is cooling air-flow direction, and the setting of reinforcement increases
Bottom heat radiation area is added, has strengthened cooling effect, the height along reinforcement has ensured cooling air-flow edge more than the height of inverse reinforcement
Predetermined direction flows, effectively utilizes cooling air-flow.
In addition, cylinder head surface is provided with fin and forms cooling air channel, twice kuppe inner face is each with cylinder head surface
The root of fin is placed equidistant；Wherein, as illustrated, cylinder head is arranged on above crankcase, fin, radiating are set on cylinder head
Air channel is formed between piece, is forced wind to pass through from air channel, cylinder head is lowered the temperature, reaches the effect of radiating, fin root refers to radiating
Piece and the junction on cylinder head surface, lower kuppe surround cylinder head both sides and arrange, and form cooling air channel, lower water conservancy diversion cover inner surface and cylinder
Tou Chu is consistent with the root of lower kuppe installation site corresponding each fin distance, beneficial to the radiating for ensureing to arrange at cylinder head
In the cooling air channel that piece is formed, the wind speed and air quantity of cooling air-flow are uniform, reduce the loss of cooling air-flow, so as to ensure radiating effect
Really.
Finally illustrate, above example is only unrestricted in order to technical scheme to be described, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, which all should be covered at this
In the middle of the right of invention.
Claims (7)
1. machine outer outlet body component is led in a kind of air blast cooling, it is characterised in that：Including fan guard and with fan shroud rim circumferentially tightly
Closely connected conjunction forms the wind scooper component for being used for the closed air channel of the logical insertion of cooling airflow；The rear end face of the fan guard is along edge week
Cofferdam is brought into close contact to being provided with for overlapping to be formed with the wind scooper component；The fan guard includes fan cover body, described
Fan cover body is extended axially inwardly and is provided with for forming the substrate of logical machine cylinder head cooling air channel；It is provided with the substrate for inserting
Patch the connected structure that fishplate bar and substrate are collectively forming cooling air channel.
2. machine outer outlet body component is led in air blast cooling according to claim 1, it is characterised in that：The wind scooper component bag
Include casing deep bead and connect with casing deep bead and lead to the lower kuppe that machine cylinder head forms cooling air channel, the case for corresponding
The front end face edge of body deep bead and the lower kuppe is provided with to form the tenon being brought into close contact for overlapping with the cofferdam
Structure.
3. machine outer outlet body component is led in air blast cooling according to claim 2, it is characterised in that：The lower kuppe includes
It is connected respectively the lower-left kuppe and bottom right kuppe in the casing deep bead both sides, the lower-left kuppe and described
Bottom right kuppe correspondingly leads to the both sides cylinder head of machine respectively and arranges and respective cylinder capitiform is surrounded into both sides.
4. machine outer outlet body component is led in air blast cooling according to claim 1, it is characterised in that：The plugboard includes a left side
Plugboard and right plugboard, the connected structure are matched somebody with somebody for left plugboard and right plugboard grafting for being separately positioned on substrate both sides
The inserting groove of conjunction.
5. machine outer outlet body component is led in air blast cooling according to claim 4, it is characterised in that：The left plugboard and institute
Stating right plugboard and being L-shaped structure, and guide part is formed along grafting direction front end, rear end forms spacing to fan cover body is terminated in
Limiting section.
6. machine outer outlet body component is led in air blast cooling according to claim 5, it is characterised in that：Described fan cover body or so
Both sides are respectively arranged to corresponding plugboard limiting section front end to be supported and only forms spacing limiting plate.
7. machine outer outlet body component is led in air blast cooling according to claim 1, it is characterised in that：The substrate back root
The flow-guiding structure to cooling down wind water conservancy diversion is formed for smoothing arc-shaped transition.
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 CN104533591A (en) | 2015-04-22 |
| CN104533591B true 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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| Country | Link |
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Citations (5)
| 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 |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4682124B2 (en) * | 2006-12-04 | 2011-05-11 | 株式会社クボタ | Air-cooled V-type engine |
| US7559297B2 (en) * | 2007-08-17 | 2009-07-14 | Yunfeng Ma | Portable Engine |
-
2014
- 2014-12-11 CN CN201410768464.7A patent/CN104533591B/en active Active
Patent Citations (5)
| 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 |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| 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 |
|---|---|
| CN104533591A (en) | 2015-04-22 |
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