CN104612803B - Ventilating machine provided with tight fitting type fan cover - Google Patents
Ventilating machine provided with tight fitting type fan cover Download PDFInfo
- Publication number
- CN104612803B CN104612803B CN201410768509.0A CN201410768509A CN104612803B CN 104612803 B CN104612803 B CN 104612803B CN 201410768509 A CN201410768509 A CN 201410768509A CN 104612803 B CN104612803 B CN 104612803B
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- China
- Prior art keywords
- plugboard
- kuppe
- cooling
- logical
- cylinder head
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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
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a ventilating machine provided with a tight fitting type fan cover. The ventilating machine comprises a ventilating machine box body and two side cylinder heads connected with the ventilating machine box body and further comprises the fan cover and an air guide cover module penetrating through an airtight air channel and used for cooling the ventilating machine box body and the two side cylinder heads. Due to the fact that the edge peripheries of the air guide cover module and the fan cover form an airtight through cooling space through right fitting, the leakproofness of the whole cooling space is greatly improved, air flow loss in the cooling space is reduced, and heat dissipation effect is ensured. In addition, in the mode that the fan cover and the air guide cover module form the tight fitting structure, the ventilating machine is more compact in overall structure and capable of saving space.
Description
Technical field
The present invention relates to machine cooling field is led in air blast cooling, particularly to a kind of logical machine having and fitting tightly type fan housing.
Background technology
The cooling air channel of traditional general gasoline engines the forced air cooling, generally by fin and the fan of casing and cylinder head
Cap assembly and more air conducting cover combine, and fan guard and air conducting cover are using injection or metal stamping process system
Make, the fixing mode of blending bolt is connected with casing or cylinder head, and the forming process of cooling air-flow is：Air impeller effect under,
Constantly gather the certain space that fan cap assembly is formed with casing, cylinder head, so that this space pressure is increased, under pressure,
Air will be flowed by the air channel that air conducting cover is formed with casing and cylinder head fin along the reserved passageway being connected with this space
Dynamic, to take away the heat of fin, reach the purpose of cooling electromotor.Existing logical machine, because kuppe is coordinated with fan guard
Not tight, 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 leading to machine to existing air blast cooling improves, the cooperation between outer outlet body is made more to step up
Close, improve the hermetic type in cooling space, reduce windage loss in cooling space it is ensured that radiating effect, and make 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, present invention offer is a kind of has the logical machine fitting tightly type fan housing, makes the week of fan guard and wind scooper
To fitting tightly, make the cooperation between each part even closer, improve the seal in cooling space, reduce the air-flow in cooling space
Loss is it is ensured that radiating effect, and makes compact overall structure.
The present invention has the logical machine fitting tightly type fan housing, the both sides cylinder be connected including logical cabinet bulk and with logical cabinet bulk
Head, also include fan guard and with fan shroud rim circumference fit tightly formed for logical cabinet bulk and cylinder head cooling insertion close
Close the wind scooper component in air channel；Present configuration is applied to air blast cooling and leads to machine, and wherein, fan guard is used for outer housing impeller, fan
Cover and wind scooper component coordinate the air channel for forming the casing (crankcase) to logical machine and cylinder head cooling, in the present embodiment, wind
Fan cover is the structure of sub-circular, and end face is broken edge structure thereafter, and indication edge circumference refers to along fan guard rear end face
Edge, around one week, makes internal cooling airtight space high by way of fitting tightly, prevents the loss of cooling air-flow, thus
Reach the purpose ensureing radiating effect.
Further, the rear end face of fan guard is circumferentially provided with for being formed closely with described wind scooper component overlap joint along edge
Laminating cofferdam；By arranging cofferdam structure, cofferdam forms cladding overlap joint to the edge circumference of fan housing assembly, not only has good
Outward appearance, and can realize fitting tightly by follow-up preload piece, it is not required to bonding, conveniently dismantle and install.
Further, wind scooper component is included casing deep bead and is connected with casing deep bead and be used for corresponding logical machine cylinder head shape
Become the lower kuppe of cooling air channel, the front end face edge of casing deep bead and lower kuppe is provided with and is formed for being overlapped with cofferdam
The tenon structure fitting tightly；Tenon structure refers to that casing deep bead and the edge of lower kuppe circumferentially form sink structures,
The laminating of tenon structure and cofferdam can eliminate the difference in height of overlapping generations it is ensured that smooth it is ensured that aesthetic appearance, and so that knot after fitting
Structure consolidates, and reduces further and travels the vibration leading to.
Further, lower kuppe includes being connected respectively the lower-left kuppe in described casing deep bead both sides and bottom right
Kuppe, described lower-left kuppe and described bottom right kuppe are corresponding respectively to lead to the both sides cylinder head setting of machine and to respective cylinder capitiform
Both sides are become to surround.
Further, fan guard includes fan cover body, and described fan cover body extends 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 to cylinder head cooling, leads to
Cross the setting of this structure, not only can ensure sealing, and structure is compacter.
Further, substrate is provided with the connected structure being collectively forming cooling air channel for grafting plugboard and substrate；Its
In, plugboard can achieve the function of water conservancy diversion, its grafting fit system with substrate, is not only easy to install, easy to disassemble, and makes
The cooperation obtaining between the two is even closer, greatly improves the seal in cooling space, thus the air-flow reducing in cooling space damages
Lose it is ensured that radiating effect, in addition, plugboard is plugged on substrate the fluid space size of the cooling air channel being formed can be adjusted
Section, to reach the purpose to cooling air quantity size adjustment.
Further, plugboard includes left plugboard and right plugboard, and described connected structure is to be separately positioned on substrate both sides
Inserting groove for left plugboard and right plugboard grafting cooperation；Realize simple, be easy to operate, and be readily disassembled installation and tie up
Shield, inserting groove is arranged in the way of outwards tilting after corresponding upper kuppe inserts；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, thus improving thermal diffusivity.
Further, left plugboard and described 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 makes inserting
Be connected to carry out during 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；Not only there is position-limiting action, in addition, limiting section front end is fitted tightly with the outer ledge of limiting plate, formed further
Preferably confined space, thus improve the seal of duct space.
Further, substrate back root is that smooth arc-shaped transition forms the flow-guiding structure to cooling wind water conservancy diversion；Seamlessly transit
Structure is beneficial to passing through of airflow smooth.
Beneficial effects of the present invention：The present invention has the logical machine fitting tightly type fan housing, due to wind scooper component and wind
The edge circumference of fan cover relies on to fit tightly and forms the airtight cooling space of insertion, substantially increases the airtight of overall cooling space
Property, reduce the windage loss in cooling space, thus ensureing 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.
Brief description
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 fan guard and the plugboard connection diagram of the present invention；
Fig. 4 is lower kuppe and the 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 there is the logical machine fitting tightly type fan housing, including logical cabinet bulk 1 and with logical cabinet bulk
The both sides cylinder head 2 of 1 connection, also includes fan guard 3 and fits tightly formation for logical cabinet bulk 1 with fan guard 3 edge circumference
Wind scooper component with the airtight air channel of insertion of cylinder head 2 cooling；Present configuration is applied to air blast cooling and leads to machine, wherein, fan
Cover 3 is used for outer housing impeller, and fan guard 3 and wind scooper component coordinate cold to the casing (crankcase) of logical machine and cylinder head 2 for being formed
But air channel, in the present embodiment, fan guard 3 is the structure of sub-circular, and end face is broken edge structure thereafter, indication edge
Circumference referred to along fan guard 3 rear end face edge around one week, made internal cooling airtight space high by way of fitting tightly,
Prevent the loss of cooling air-flow, thus reaching the purpose ensureing radiating effect；In addition, logical machine also includes cylinder head cover 19, cylinder head cover
Fit tightly 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 described wind scooper component along edge
Become to fit tightly cofferdam 4；By arranging cofferdam 4 structure, cofferdam 4 forms cladding overlap joint to the edge circumference of fan housing assembly, not only
There is good outward appearance, and can realize fitting tightly 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 be used for corresponding logical machine
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
Weir 4 overlap joint forms the tenon structure 7 fitting tightly；Tenon structure 7 refers to the edge edge week of casing deep bead 5 and lower kuppe 6
To forming sink structures, the laminating of tenon structure 7 and cofferdam 4 can eliminate the difference in height of overlapping generation it is ensured that smoothing it is ensured that outward appearance
Property, and make the stabilized structure after laminating, reduce further and travel the vibration leading to；Equally, cylinder head cover is provided with tenon structure,
Fit tightly with the cofferdam of fan guard, formed airtight, prevent windage loss.
In the present embodiment, lower kuppe 6 includes being connected respectively in the lower-left kuppe of described casing deep bead 5 both sides
The corresponding both sides cylinder head 2 leading to machine sets respectively for 6a and bottom right kuppe 6b, described lower-left kuppe 6a and described bottom right kuppe 6b
Put and both sides are formed to corresponding cylinder head 2 and surround.
In the present embodiment, fan guard 3 includes fan cover body, described fan cover body extend axially inwardly be provided with logical for being formed
The substrate 8 of machine cylinder head 2 cooling air channel；Substrate 8 is arranged on side in fan guard body, itself can be used for being formed cold to cylinder head 2 cooling
But air channel, 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 grafting knot being collectively forming cooling air channel for grafting plugboard and substrate 8
Structure；Wherein, plugboard can achieve the function of water conservancy diversion, its grafting fit system with substrate 8, is not only easy to install, easy to disassemble,
And make cooperation between the two even closer, greatly improve the seal in cooling space, thus reducing in cooling space
Windage loss it is ensured that radiating effect, in addition, plugboard be plugged on substrate 8 can be big to the fluid space of the cooling air channel being formed
Little it is 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 described connected structure is to be separately positioned on base
Plate 8 both sides are used for left plugboard 9 and the inserting groove 11 of right plugboard 10 grafting cooperation；Realize simple, be easy to operate, and be easy to tear open
Unload installation and safeguard, inserting groove is arranged in the way of outwards tilting after corresponding upper kuppe inserts；Make 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, thus improving thermal diffusivity.
In the present embodiment, left plugboard 9 and described right plugboard 10 are L-shaped structure, and are formed along grafting direction front end
Guide part (in figure be guide part 11 and guide part 11a), rear end forms to support and terminates in the spacing limiting section of fan cover body 12 (in figure is
Limiting section 12 and limiting section 12a)；Guide part plays guide effect in grafting, and limiting section makes when being plugged into certain distance
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；Not only there is position-limiting action, in addition, limiting section front end is fitted tightly with the outer ledge of limiting plate, enter one
Step forms preferable confined space, thus improving the seal of duct space.
In the present embodiment, substrate 8 back side root is that smooth arc-shaped transition forms the flow-guiding structure 14 to cooling wind water conservancy diversion；Flat
Sliding transition structure is beneficial to passing through of airflow smooth.
In addition, in the present embodiment, crankcase includes integrally formed base 14, base 14 is provided with reinforcement being formed and is used for
Cooling crankcase and the lower cooling air channel 18 of machine oil, lower cooling air channel passes through to arrange the air vent 15 with base 14 edge and fan
Cavity connection in cover 3；By the lower cooling air channel being formed, when cooling air-flow flows through lower cooling air channel after water conservancy diversion, can
Effectively the oil temperature gathering crankcase bottom is lowered the temperature, thus ensureing the cooling effect to engine component for the machine oil,
Maintain electromotor traveling comfort, and reduce the gas discharge of electromotor；In addition, reinforcement can not only increase bent axle effectively
The intensity of case, simultaneously as what crankcase bottom thickness can be suitable on the basis of proof strength is thinning, thus reduce production,
Assembly cost.
In the present embodiment, reinforcement include along cooling air-flow direction arrangement suitable reinforcement 16 and with the suitable vertical phase of reinforcement
The inverse reinforcement 17 handed over, the height of suitable reinforcement is more than the height of inverse reinforcement；Lower between cooling air channel and kuppe pass through bottom
The air vent connection at seat 14 edges, rotating cooling air-flow enters base 14 lower surface from air vent, due to effect of inertia,
Cooling air-flow will continue flowing along air vent axis direction, and the therefore direction is cooling air-flow direction, and the setting of reinforcement increases
Add bottom heat radiation area, 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.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
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, the objective without deviating from technical solution of the present invention and scope, and it all should be covered at this
In the middle of the right of invention.
Claims (7)
1. a kind of there is the logical machine fitting tightly type fan housing it is characterised in that：Be connected including logical cabinet bulk and with logical cabinet bulk
Both sides cylinder head, also include fan guard and with fan shroud rim circumference fit tightly formation for logical cabinet bulk and cylinder head cooling
The airtight air channel of insertion wind scooper component；The rear end face of described fan guard along edge be circumferentially provided with for described wind scooper
Assembly overlap joint formation fits tightly cofferdam；Described fan guard includes fan cover body, and described fan cover body extends axially inwardly and is provided with
For forming the substrate of logical machine cylinder head cooling air channel；Be provided with described substrate be collectively forming for grafting plugboard and substrate cold
But the connected structure in air channel.
2. according to claim 1 there is the logical machine fitting tightly type fan housing it is characterised in that：Described wind scooper component bag
Include casing deep bead and connect and be used for the lower kuppe that corresponding logical machine cylinder head forms cooling air channel, described case with casing deep bead
The front end face edge of body deep bead and described lower kuppe is provided with for forming, with described cofferdam overlap joint, the tenon fitting tightly
Structure.
3. according to claim 2 there is the logical machine fitting tightly type fan housing it is characterised in that：Described lower kuppe includes
It is connected respectively the lower-left kuppe in described casing deep bead both sides and bottom right kuppe, described lower-left kuppe and described
Bottom right kuppe is corresponding respectively to be led to the both sides cylinder head setting of machine and respective cylinder capitiform is become both sides surround.
4. according to claim 1 there is the logical machine fitting tightly type fan housing it is characterised in that：Described plugboard includes a left side
Plugboard and right plugboard, described connected structure is to be separately positioned on substrate both sides to join for left plugboard and right plugboard grafting
The inserting groove closing.
5. according to claim 4 there is the logical machine fitting tightly type fan housing it is characterised in that：Described left plugboard and institute
State right plugboard and be L-shaped structure, and form guide part along grafting direction front end, rear end forms spacing to terminating in fan cover body
Limiting section.
6. according to claim 5 there is the logical machine fitting tightly type fan housing it is characterised in that：About described fan cover body
Both sides are respectively arranged to corresponding plugboard limiting section front end to be supported and only forms spacing limiting plate.
7. according to claim 1 there is the logical machine fitting tightly type fan housing it is characterised in that：Described substrate back root
Form the flow-guiding structure to cooling wind water conservancy diversion for smooth arc-shaped transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768509.0A CN104612803B (en) | 2014-12-11 | 2014-12-11 | Ventilating machine provided with tight fitting type fan cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768509.0A CN104612803B (en) | 2014-12-11 | 2014-12-11 | Ventilating machine provided with tight fitting type fan cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612803A CN104612803A (en) | 2015-05-13 |
| CN104612803B true CN104612803B (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768509.0A Active CN104612803B (en) | 2014-12-11 | 2014-12-11 | Ventilating machine provided with tight fitting type fan cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612803B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221230B (en) * | 2015-11-04 | 2017-08-08 | 重庆永发工业有限公司 | The snowmobile double cylinder wind cooling engine of good heat dissipation effect |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3727106A1 (en) * | 1987-08-14 | 1989-02-23 | Kloeckner Humboldt Deutz Ag | Air-cooled internal combustion engine with a cooling air duct incorporated into the engine |
| EP0294821B1 (en) * | 1987-06-10 | 1992-09-30 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Sound insulating enclosure for an air-cooled internal combustion engine |
| CN101165325A (en) * | 2006-10-18 | 2008-04-23 | 三菱重工业株式会社 | Forced air cooling engine with cooling air guide hood |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| CN201593457U (en) * | 2010-02-10 | 2010-09-29 | 四川成都成工工程机械股份有限公司 | High-power mechanical engine radiating and air guiding system |
| CN204419339U (en) * | 2014-12-11 | 2015-06-24 | 隆鑫通用动力股份有限公司 | There is the logical machine of closed type cooling duct |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4313133B2 (en) * | 2003-09-19 | 2009-08-12 | 川崎重工業株式会社 | Engine cooling structure |
-
2014
- 2014-12-11 CN CN201410768509.0A patent/CN104612803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0294821B1 (en) * | 1987-06-10 | 1992-09-30 | Klöckner-Humboldt-Deutz Aktiengesellschaft | Sound insulating enclosure for an air-cooled internal combustion engine |
| DE3727106A1 (en) * | 1987-08-14 | 1989-02-23 | Kloeckner Humboldt Deutz Ag | Air-cooled internal combustion engine with a cooling air duct incorporated into the engine |
| CN101165325A (en) * | 2006-10-18 | 2008-04-23 | 三菱重工业株式会社 | Forced air cooling engine with cooling air guide hood |
| CN101265831A (en) * | 2007-03-14 | 2008-09-17 | 光阳工业股份有限公司 | Engine wind-guiding cover structure |
| CN201593457U (en) * | 2010-02-10 | 2010-09-29 | 四川成都成工工程机械股份有限公司 | High-power mechanical engine radiating and air guiding system |
| CN204419339U (en) * | 2014-12-11 | 2015-06-24 | 隆鑫通用动力股份有限公司 | There is the logical machine of closed type cooling duct |
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| Publication number | Publication date |
|---|---|
| CN104612803A (en) | 2015-05-13 |
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