CN1271818A - Frame of cooling axial-flow fan - Google Patents
Frame of cooling axial-flow fan Download PDFInfo
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- CN1271818A CN1271818A CN 99106131 CN99106131A CN1271818A CN 1271818 A CN1271818 A CN 1271818A CN 99106131 CN99106131 CN 99106131 CN 99106131 A CN99106131 A CN 99106131A CN 1271818 A CN1271818 A CN 1271818A
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- flow fan
- ringwall
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Abstract
A frame for axial-flow cooling fan has a casing with wind window whose both ends are at both sides of the casing. A cover plate with wind inlet is combined via locating element with the casing. Said wind inlet of cover plale is opposite to the wind window of casing, but has smaller diameter. Said wind window is a ring wall with several ring slots passing through the inner and outer surfaces of side wall to form lateral wind inlets. The one end of ring wall has a curved ring surface for guiding airflow to pass through the ring wall. Its advantages are easy manufacture, low cost of mould, high wind intake and low noise.
Description
The present invention relates to framework, particularly a kind of framework of axial flow type heat elimination fan.
Existing frame of cooling axial-flow fan as shown in Figure 1, its housing 100 comprises a lower sheet space 110 and a upper sheet space 120,120 4 jiaos of this lower sheet space 110 and upper sheet spaces respectively are provided with a fixed hole 101 and are fixed in fixed element for these housings 100 and treat on the heat dissipation element, be provided with a ringwall 130 between this lower sheet space 110 and the upper sheet space 120, this ringwall 130 forms a ventilated port 131 at this housing 100.Save manufactured materials and weight reduction for housing 100, around this ringwall 130, be provided with several grooves 102, and be respectively equipped with a pillar 103 in this groove 102, make the unlikely bending deflection when locking of this lower sheet space 110 and upper sheet space 120.Yet, this housing 100 is integrated formed structures, therefore, its mfg. moulding die needs upper die tooling, bed die, left mould, right mould, front mold and back mould etc., this die assembly can make these housing 100 smooth demouldings one-body molded, therefore, its die cost height and one group of mould can only be produced a housing, thereby have the slow shortcoming of speed of production.In addition, ventilated port 131 diameters of the ringwall 130 of this housing 100 must be permanent in the impeller diameter, otherwise this impeller can't be assembled in the framework.
The objective of the invention is to provide a kind of frame of cooling axial-flow fan, and it is easily manufactured, and die cost is low, can increase air output, reduces noise.
The object of the present invention is achieved like this: a kind of frame of cooling axial-flow fan, housing are provided with a ventilated port, and the ventilated port two ends are positioned at the housing both sides; Cover plate is provided with a wind inlet; Housing combines by positioning element with cover plate, and wind inlet is corresponding with ventilated port.
Housing or cover plate are provided with combined hole, are provided with the tip on relative cover plate or housing, and tip drive fit is placed in the combined hole.
Respectively be provided with several screws around the ventilated port of housing and around the wind inlet of cover plate, and fixing respectively with a screw.
Housing is provided with a fixed hole that supplies fixed element to wear for four jiaos.
Housing respectively is provided with a plate for four jiaos, and plate is provided with the fixed hole that wears for a fixed element.
Ventilated port one side of housing is provided with a room, and room is inserted for a circuit board, and the room bottom is provided with the hole that the electric wire of a power circuit board wears.
The wind inlet diameter of cover plate is less than the ventilated port diameter of housing.
The ventilated port of housing is formed by a ringwall.
The ringwall of housing is recessed to form several grooves, and several grooves form the slug hole of housing.
Several grooves run through ringwall madial wall and outer side wall to form the side wind inlet of housing.
Ringwall one end forms one for the ring curved surface of guiding by the air-flow of ringwall.
The ring curved surface outwards gradually the expansion, will guide to by the air-flow of ringwall this heat-dissipating fan around.
The ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of this heat-dissipating fan one end by the air-flow guiding of this ringwall.
Ventilated port is inserted an impeller, and impeller drives air communication and crosses ventilated port.
Impeller wears with one and is fixed on the housing.
Housing and cover plate are provided with combined hole, are provided with the hook post on relative cover plate or housing, and the engaging of hook post is placed in the combined hole.
Cover plate is provided with a ventilated port, and the ventilated port two ends are positioned at the cover plate both sides; Housing combines by positioning element with cover plate, and exhaust outlet is corresponding with ventilated port.
Cover plate is provided with the ventilated port that is formed by ringwall.
Cover plate is provided with combined hole, is positioned at the ringwall bottom.
Housing and cover plate are provided with combined hole, in addition are being provided with the hook post on cover plate or the housing relatively, and the hook post can engage and is placed in the combined hole.
Housing is provided with hook post one side and cover plate and establishes combined hole one side and be respectively equipped with a hole.
Respectively be provided with several screws around the ventilated port of cover plate and around the exhaust outlet of housing, and fixing respectively with a screw.
Housing is provided with the fixed hole that wears for fixed element for four jiaos.
Housing respectively is provided with a plate for four jiaos, and plate is provided with the fixed hole that wears for fixed element.
Ventilated port one side of cover plate is provided with a room, and room is inserted circuit board, and the room bottom is provided with the hole that the power circuit board electric wire wears.
The exhaust outlet diameter of housing is less than the ventilated port diameter of cover plate.
The ringwall of cover plate is recessed to form several grooves, and several grooves form the slug hole of housing.
Several grooves run through the side wind inlet of ringwall madial wall and outer side wall formation cover plate.
Ringwall one end is provided with for the ring curved surface of guiding by the air-flow of this ringwall.
The ring curved surface outwards gradually the expansion, will guide to by the air-flow of ringwall this heat-dissipating fan around.
The ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of heat-dissipating fan one end by the air-flow guiding of ringwall.
Ventilated port is inserted an impeller, and impeller drives air communication and crosses ventilated port.
Impeller wears in the hole of being fixed in the housing pedestal with one.
A kind of frame of cooling axial-flow fan, housing are provided with a ventilated port, have ringwall, ringwall to be provided with several slotted eyes around the ventilated port; Cover plate is provided with wind inlet; Cover plate and housing ringwall top are approaching, and combination of elements is positioned.
Housing is provided with a fixed hole for four jiaos and wears for a fixed element.
Housing respectively is provided with a plate for four jiaos, and plate is provided with a fixed hole that supplies fixed element to wear.
Ringwall is provided with room, and room is inserted for a circuit board, and the room bottom is provided with the hole that the electric wire of power circuit board passes.
The wind inlet diameter of cover plate is less than the ventilated port diameter of housing.
Ringwall one end forms a ring curved surface for the air-flow of guiding by this ringwall.
The ring curved surface outwards gradually the expansion, will guide to by the air-flow of this ringwall heat-dissipating fan around.
The ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of heat-dissipating fan one end by the air-flow guiding of this ringwall.
Ventilated port is inserted for an impeller, and impeller drives air communication and crosses this ventilated port.
Impeller wears with one and is fixed in this housing.
One of ringwall top and cover plate are established combined hole, and establish the tip in addition, and the tip can drive fit be placed in the combined hole.
Ringwall top and cover plate screw fixing with screw.
One of ringwall top and cover plate are provided with combined hole, and other establishes the hook post, and the engaging of hook post is placed in the combined hole.
A kind of frame of cooling axial-flow fan, housing is provided with exhaust outlet, and cover plate is provided with a ventilated port, has ringwall, ringwall to establish several slotted eyes around the ventilated port; Cover plate and ringwall bottom are approaching, by the positioning element combination.
One of ringwall bottom or housing are provided with combined hole, and establish the tip in addition, and tip drive fit is placed in the combined hole.
The ringwall bottom screws fixing with cover plate with screw.
One of ringwall bottom and cover plate are provided with combined hole, and other establishes the hook post, and the hook post can engage and is placed in the combined hole.
Housing is provided with a fixed hole that supplies fixed element to wear for four jiaos.
Housing respectively is provided with a plate for four jiaos, and this plate is provided with the fixed hole that wears for fixed element.
Ringwall one end forms a ring curved surface for the air-flow of guiding by this ringwall.
The ring curved surface outwards gradually the expansion, will guide to by the air-flow of this ringwall this heat-dissipating fan around.
The ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of this heat-dissipating fan one end by the air-flow guiding of this ringwall.
Exhaust outlet is inserted for an impeller, and this impeller drives air communication and crosses this ventilation.
Impeller wears with one and is fixed on the housing.
The present invention has overcome the shortcoming of existing frame of cooling axial-flow fan, owing to make this housing and cover plate respectively with upper die tooling and bed die, only need to use upper die tooling and bed die can make several housings or cover plate simultaneously, therefore, framework of the present invention has easily manufactured characteristics;
Because the ringwall of housing is provided with several grooves to form the side wind inlet of housing, air around the housing can directly enter in the housing by this groove, thereby make the air around the housing not need to walk around ringwall, wind inlet by cover plate enters in the housing again, when especially the present invention places highly extremely low space, air around the housing is directly entered in the housing by this groove, makes it to have the effect that increases air output and reduce noise;
Because cover plate and housing are made respectively, the diameter of cover plate wind inlet can be made individually according to need, when need are used the impeller of different size, can select to have the cover plate of suitable wind inlet diameter, and be not subjected to the wind inlet diameter must be greater than the restriction of impeller diameter, and then do not have can be because of impeller assembling location really, causes impeller high protruding in framework or come off outside framework;
The present invention makes the stator reduced cross-sectional area of impeller, and then can dwindle the rotator seat area of impeller because housing is provided with the room power circuit board and inserts, and to increase length of blade, increases fan blade area, and impeller wind dispelling amount is increased;
The present invention is owing to be provided with the ring curved surface in addition on the housing ringwall, the ring curved surface is positioned at ringwall and forms ventilated port, the ring curved surface is when exhaust outlet is expanded, make that the ring curved surface is bootable to dispel the heat around the radiator by the ventilated port air-flow, the ring curved surface dispels the heat ring bootable axially compiling to radiator by the ventilated port air-flow of curved surface when exhaust outlet dwindles;
Because the hook column bottom of housing and combined hole one side of cover plate are respectively equipped with a hole, thereby this hook post and combined hole can only use upper die tooling and bed die can make formation.
Describe the concrete structure and the working principle of a kind of frame of cooling axial-flow fan that proposes according to the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is the stereogram of existing frame of cooling axial-flow fan;
Fig. 2 is the exploded perspective view of the present invention's first preferred embodiment;
Fig. 3 is the exploded perspective view of the present invention's second preferred embodiment;
Fig. 4 is the combination plan view of the present invention's second preferred embodiment;
Fig. 5 is the 5-5 sectional view of Fig. 4;
Fig. 6 is the assembled sectional view of the present invention's the 3rd preferred embodiment;
Fig. 7 is the assembled sectional view of the present invention's the 4th preferred embodiment;
The exploded perspective view of Fig. 8 the present invention the 5th preferred embodiment;
Fig. 9 is the exploded perspective view of the present invention's the 6th preferred embodiment;
Figure 10 is the assembled sectional view of the present invention's the 7th preferred embodiment.
A kind of frame of cooling axial-flow fan comprises a housing, a cover plate and impeller.Housing is provided with fixed hole and is fixed on and treats on the heat dissipation element for fixed element, housing is provided with a ringwall and inserts for this impeller with a ventilated port that forms housing, the ringwall top surface is provided with several combined hole and room in addition, the wall of combined hole and room is perpendicular to this ringwall top surface, and the room power circuit board is inserted.In addition, ringwall is provided with several grooves is positioned at around the ventilated port several grooves, and therefore, the wind inlet of ventilated port is formed on the ringwall top, and groove then forms the side wind inlet of ventilated port.Cover plate respectively is provided with a fixed hole for four jiaos and wears for fixed element, this cover plate and housing are fixed in to be treated on the heat dissipation element, this cover plate is provided with several tips corresponding on several combined hole positions of this housing, combined hole and tip drive fit and make housing and cover plate be combined to form a framework, cover plate is provided with a wind inlet in addition, wind inlet corresponds to the ventilated port of housing, and cover plate is looked the wind inlet that the impeller specification manufactures suitable diameter.
The present invention makes housing and cover plate respectively with upper die tooling and bed die in addition, and housing is provided with several hook posts and a cover plate is provided with a ringwall and several combined hole, and the hook post is sticked in combined hole makes housing and cover plate be combined to form a framework.
The housing of preferred embodiment of the present invention, has a ringwall, the ringwall outer wall forms a sidewall of this housing, housing one lateral margin is formed on the ringwall top, the ringwall body forms another lateral margin of housing, ringwall outer wall and two lateral margins form the peripheral profile of housing jointly around the face that forms, ringwall comprises an inwall in addition, the inwall change direction of ringwall changes according to the outer wall direction of ringwall, thereby ringwall is an even union body, the inwall of ringwall forms a ventilated port of housing, ventilated port has a space, one impeller is contained in the ventilated port and rotatable, ventilated port comprises two ends that are interconnected, two ends are formed by two tops of ringwall inwall respectively, make ventilated port be positioned at the housing both sides, thereby air by housing one side through the opposite side of ventilated port to housing, ventilated port one end is provided with a pedestal in addition, pedestal is positioned on the ventilated port to be fixed with several ribs, pedestal has an edge and a fixed hole, fixed hole position axle for an impeller in the edge passes, several ribs are strip, several ribs are connected to the edge of pedestal respectively by ventilated port one end periphery, make several rib supporting bases, therefore, susceptor edges, several ribs and ventilated port edge form several spaces jointly, several spaces make the ventilated port two ends still form path, and be provided with several combined hole in addition around the ventilated port, and several combined hole are surrounded on the other end of the ventilated port of housing according to ringwall, and the mouth of combined hole is positioned at the ringwall top, the combined hole wall is arranged with in ringwall by the ringwall top and forms, thereby several combined hole lay respectively between the wall of the lateral margin of housing and ventilated port.
One cover plate of preferred embodiment of the present invention, comprise a upper surface, a lower surface, an outer side and an inner side edge, upper surface is positioned at cover plate one side, lower surface is positioned at the opposite side of cover plate, outer side is around between upper surface that is formed at cover plate and the lower surface, inner side edge is also around between upper surface that is formed at cover plate and the lower surface, and inner side edge forms a wind inlet, wind inlet comprises two ends, two ends of wind inlet are communicated with the upper surface and the lower surface of cover plate, the lower surface of cover plate is provided with several tips in addition, and several tips are positioned at around the wind inlet and correspond to several combined hole of housing.When housing and cover plate make up, the ringwall top of housing is corresponding to the cover plate lower surface, make the wind inlet of the ventilated port of housing corresponding to cover plate, with several tips of cover plate combined hole corresponding to housing, when cover plate tightly is pressed on housing, several tips of cover plate are placed in several combined hole of housing, thereby housing and cover plate formation one.Its middle shell and cover plate reach mould-forming with a upper die tooling respectively.Thereby housing and cover plate be when covering, and tip drive fit respectively is placed in the combined hole, and wind inlet then corresponds to ventilated port.Housing and cover plate compound mode are in hereinafter further specifying with various embodiments and accompanying drawing.
As shown in Figure 2, the present invention's first preferred embodiment mainly comprises a housing 200, a cover plate 210 and an impeller 220.Housing 200 bottoms respectively are provided with a plate 201 for four jiaos, being respectively equipped with a fixed hole 202 on the plate 201 is fixed in fixed element for housings 200 and treats on the heat dissipation element, housing 200 is provided with a ringwall 203 to form a ventilated port 205 of housing 200, ventilated port 205 two ends are positioned at the both sides of housing 200, ringwall 203 top surfaces are provided with several combined hole 204 in addition, and combined hole 204 walls are perpendicular to ringwall 203 top surfaces.Cover plate respectively is provided with a fixed hole 211 for 210 4 jiaos and wears for fixed element, cover plate 210 and housing 200 are fixed in to be treated on the heat dissipation element, cover plate 210 is provided with several tips 212 corresponding on several combined hole 204 positions of housing 200, cover plate 210 is covered on the ringwall 203 of housing 200, the tip 212 makes housing 200 and cover plate 210 be combined to form a framework with combined hole 204 drive fits, cover plate 210 is provided with a wind inlet 213 in addition, and wind inlet 213 corresponds to the ventilated port 205 of this housing 200.After impeller 220 places the ventilated port 205 of this housing 200, again cover plate 210 is covered on the ringwall 203 of housing 200, when fixed element is arranged in fixed hole 202,211 lockings of housing 200 and cover plate 210, heat-dissipating fan tightly is locked in treats on the heat dissipation element.
Shown in Fig. 1,3, compare with existing frame of cooling axial-flow fan, the present invention makes housing 200 and cover plate 210 respectively with upper die tooling and bed die, the present invention still can form as existing lower sheet space, upper sheet space and groove, do not need upper die tooling, bed die, left mould, right mould, front mold and back mould, in addition, the present invention is several housings of moulding or cover plate simultaneously, thereby has easily manufactured effect.
Shown in Fig. 3,4,5, the present invention's second preferred embodiment mainly comprises a housing 300, a cover plate 310 and an impeller 320.Housing respectively is provided with a fixed hole 301 and a screw 302 for 300 4 jiaos, fixed hole 301 is fixed in fixed element for housing 300 to be treated on the heat dissipation element, housing 300 central authorities form a ventilated port 303 and insert for impeller 320, ventilated port 303 two ends are positioned at the both sides of housing 300, one end of ventilated port 303 is provided with a ring curved surface 306 for the air-flow of guiding by ventilated port 303, and bootable air-flow is to external diffusion because ring curved surface 306 expands outwardly gradually.Housing 300 top surfaces are provided with a room 304 in addition, the wall of room 304 forms a long and flat room perpendicular to housing 300 top surfaces, room 304 is positioned at ventilated port 303 1 sides and can inserts for a circuit board 305, and being provided with the electric wire of a hole power circuit board 305, room 304 bottoms wear, because circuit board 305 is provided with the electronic component except the hall sensing element, therefore circuit board 305 moves on the housing 300 from stator, make the stator reduced cross-sectional area of impeller 320 and then dwindle the rotator seat sectional area of impeller 320, flabellum length is increased, to increase the wind dispelling amount.Cover plate respectively is provided with a fixed hole 311 for 310 4 jiaos and wears for fixed element, cover plate 310 and housing 300 are fixed in jointly to be treated on the heat dissipation element, cover plate 310 is provided with several screws 312 corresponding on several screw 302 positions of housing 300, with screw screw 302 and 312 is locked, make cover plate 310 be covered on housing 300 1 sides and make housing 300 and cover plate 310 be combined to form a framework, at this moment, cover plate 310 is covered the room 304 of housing 300, makes room 304 interior circuit boards 305 unlikely dropping.Cover plate 310 is provided with a wind inlet 313 in addition, and wind inlet 313 corresponds to the ventilated port 303 of housing 300.When impeller 320 drove air, air was entered by this wind inlet 313 and through this ventilated port 303, and air-flow is diffused to by ring curved surface 306 guiding of ventilated port 303 1 ends to treat on the heat dissipation element again.
As shown in Figure 6, the present invention's the 3rd preferred embodiment mainly comprises a housing 400, a cover plate 410 and an impeller 420.Housing respectively is provided with a fixed hole 401 and a screw 402 for 400 4 jiaos, fixed hole 401 is fixed in fixed element for housing 400 to be treated on the heat dissipation element, housing 400 central authorities form a ventilated port 403 and insert for impeller 420, ventilated port 403 two ends then are positioned at the both sides of housing 400, one end of ventilated port 403 is provided with a ring curved surface 406 for the air-flow of guiding by ventilated port 403, and bootable air-flow is to external diffusion because ring curved surface 406 expands outwardly gradually.Housing 400 top surfaces are provided with a room 404 in addition, and the wall of room 404 forms a long and flat room perpendicular to housing 400 top surfaces, and room 404 is positioned at ventilated port 403 1 sides and can inserts for a circuit board 405.Cover plate respectively is provided with a fixed hole 411 for 410 4 jiaos and wears for fixed element, cover plate 410 and housing 400 are fixed in jointly to be treated on the heat dissipation element, cover plate 410 is provided with several screws 412 corresponding on several screw 402 positions of housing 400, with screw screw 402 and 412 is locked, make cover plate 410 be covered on housing 400 1 sides and make housing 400 and cover plate 410 be combined to form a framework, at this moment, cover plate 410 is covered the room 404 of housing 400, makes room 404 interior circuit boards 405 unlikely dropping.Cover plate 410 is provided with a wind inlet 413 in addition, wind inlet 413 corresponds to the ventilated port 403 of housing 400, cover plate 410 is looked the wind inlet 413 that impeller 420 specifications manufacture suitable diameter, and the diameter of wind inlet 413 is less than the diameter of ventilated port 403, therefore, wind inlet 413 diameters of cover plate 410 of the present invention are less than impeller 420 diameters.When impeller 420 drove air, air was entered through this ventilated port 403 by wind inlet 413, and air-flow is diffused to by ring curved surface 406 guiding of ventilated port 403 1 ends to treat on the heat dissipation element again.
As shown in Figure 7, the present invention's the 4th preferred embodiment mainly comprises a housing 500, a cover plate 510 and an impeller 520.This housing respectively is provided with a fixed hole 501 and a screw 502 for 500 4 jiaos, this fixed hole 501 is fixed in fixed element for this housing 500 to be treated on the heat dissipation element, housing 500 central authorities form a ventilated port 503 and insert for impeller 520, ventilated port 503 two ends are positioned at the both sides of housing 500, one end of ventilated port 503 is provided with a ring curved surface 506 for the air-flow of guiding by ventilated port 503, compiles to a location because ring curved surface 506 outwards dwindles bootable air-flow gradually.Housing 500 top surfaces are provided with a room 504 in addition, the wall of room 504 forms a long and flat room perpendicular to housing 500 top surfaces, room 504 is positioned at ventilated port 503 1 sides and can inserts for a circuit board 505, the electric wire that room 504 bottoms are provided with a hole power circuit board 505 wears, because circuit board 505 is provided with the electronic component except the hall sensing element, therefore circuit board 505 moves on the housing 500 from stator, make the stator reduced cross-sectional area of impeller 520 and then dwindle the rotator seat sectional area of impeller 520, flabellum length is increased, to increase the wind dispelling amount.Cover plate respectively is provided with a fixed hole 511 for 510 4 jiaos and wears for fixed element, making cover plate 510 and housing 500 be fixed on one jointly treats on the heat dissipation element, cover plate 510 is provided with several screws 512 corresponding on several screw 502 positions of housing 500, with screw screw 502 and 512 is locked, make cover plate 510 be covered on housing 500 1 sides and make housing 500 and cover plate 510 be combined to form a framework, at this moment, cover plate 510 is covered the room 504 of housing 500, makes room 504 interior circuit boards 505 unlikely dropping.Cover plate 510 is provided with a wind inlet 513 in addition, and wind inlet 513 corresponds to the ventilated port 503 of housing 500.When impeller 520 drove air, air entered ventilated port 503 by wind inlet 513.When impeller 520 drove air, air was entered through ventilated port 503 by intake grill 513, and air-flow is diffused to by ring curved surface 506 guiding of ventilated port 503 1 ends to treat on the heat dissipation element again.
Shown in Fig. 1,5,6,7, ventilated port 303,403,503 1 ends of the present invention second and third and four preferred embodiments are provided with the air-flow that ring curved surface 306,406,506 drives with the guiding radiator, the air-flow that exhaust outlet is blowed can prolong and expands outwardly ring curved surface 306,406 and dispel the heat to the radiator peripheral region, or the air-flow that exhaust outlet is blowed can prolong and inwardly dwindles ring curved surface 506 and dispel the heat to the axial location of radiator.On the contrary, the ventilated port 131 of existing ringwall 130 is not provided with the ring curved surface, and therefore, the ventilated port of existing radiator does not have the effect of steering flow.
As shown in Figure 8, the 5th preferred embodiment mainly comprises a housing 600, a cover plate 610 and an impeller 620.Housing 600 bottoms respectively are provided with a plate 601 for four jiaos, being respectively equipped with a fixed hole 602 on the plate 601 is fixed in fixed element for housings 600 and treats on the heat dissipation element, this housing 600 is provided with a ringwall 503 to form a wind inlet, wind inlet is positioned at a ventilated port 605 1 ends of housing 600, ventilated port 605 two ends are positioned at the both sides of housing 600, ringwall 603 top surfaces are provided with several combined hole 604 in addition and ringwall 603 has several slotted eyes 606, combined hole 604 walls are perpendicular to ringwall 603 top surfaces, several slotted eyes 606 connection ringwall 603 madial walls and outer side wall are to form the side wind inlet of this ventilated port 605, several slotted eyes 606 form the slug hole of housing 600, the present invention is had save the effect of making housing 600 materials.Since several slotted eyes 606 especially under the height utmost point low environment air around the bootable housing 600 need not walk around above the ringwall 603 and directly enter in the housing 600, make the effect that the present invention has increases air output.Cover plate respectively is provided with a fixed hole 611 for 610 4 jiaos and wears for fixed element, cover plate 610 and housing 600 are fixed in to be treated on the heat dissipation element, cover plate 610 is provided with several tips 612 corresponding on several combined hole 604 positions of housing 600, cover plate 610 is covered on the ringwall 603 of housing 600, the tip 612 makes housing 600 and cover plate 610 be combined to form a framework with combined hole 604 drive fits, cover plate 610 is provided with a wind inlet 613 in addition, and wind inlet 613 corresponds to the ventilated port 605 of housing 600.After impeller 620 places the ventilated port 605 of housing 600, again cover plate 610 is covered on the ringwall 603 of housing 600, when fixed element is arranged in fixed hole 602,611 locking of housing 600 and cover plate 610,610 4 jiaos of suitable resiliently deformables of cover plate and fixed element tightly is locked in treat on the heat dissipation element.When impeller 620 rotates, housing 600 top air can be entered the formed wind inlet in ringwall top by the wind inlet 613 of cover plate 610, housing 600 ambient airs then can be entered by the side wind inlet that cover plate 610 and several slotted eyes 606 form, the other end by ventilated port 605 blows out to treating on the heat dissipation element again, because ambient air is entered simultaneously by the wind inlet 613 and the housing 600 side wind inlets of cover plate 610, thereby ventilated port 605 air outputs of housing 600 are increased.When making housing 600, several slotted eyes 606 form breach by ringwall 603 top depression, make several slotted eyes 606 still make housing 600 with upper die tooling and bed die, and therefore, the present invention has the material of saving and easily manufactured effect.
The housing of preferred embodiment of the present invention, has a lamellar body, the lamellar body outer wall forms a sidewall of housing, housing one lateral margin is formed on the lamellar body top, another lateral margin of housing is formed on the lamellar body bottom, by lamellar body outer wall and two lateral margins define jointly around the face that forms and form the peripheral profile of housing, lamellar body comprises an inwall in addition, the inwall change direction of lamellar body changes according to the outer wall direction of lamellar body, thereby lamellar body is an even union body, the inwall of lamellar body forms a ventilated port of housing, ventilated port comprises two ends that are interconnected, two ends are formed by two tops of lamellar body inwall respectively, make ventilated port be positioned at the housing both sides, thereby air by housing one side through the opposite side of ventilated port to housing, ventilated port is provided with a pedestal in addition, pedestal is positioned on the ventilated port to be fixed with several ribs, pedestal has an edge and a fixed hole, fixed hole position axle for an impeller in the edge wears, several ribs are strip, several ribs are connected to the edge of pedestal respectively by ventilated port one end periphery, make several ribs support this pedestal, therefore, susceptor edges, several ribs and ventilated port edge form several spaces jointly, and several spaces are combined to form path, and ventilated port is provided with several hook posts on every side in addition, several hook posts are surrounded on the ventilated port of housing according to lamellar body, the hook post mouthful be positioned at the lamellar body top, thereby several hook posts lay respectively between the wall of the lateral margin of housing and ventilated port.The lid of preferred embodiment of the present invention, it comprises a upper surface, a lower surface, one outer side and an inner side edge, upper surface is positioned at lid one side, lower surface is positioned at the opposite side of lid, outer side is looped around between the upper surface and lower surface of lid, inner side edge is also around between upper surface that is formed at lid and the lower surface, thereby form a ringwall, inner side edge forms a wind inlet, wind inlet comprises two ends, two ends of wind inlet are communicated with the upper surface and the lower surface of lid, and the lower surface of lid is provided with several combined hole in addition, and several combined hole are positioned at the ringwall bottom periphery and correspond to several hook posts of housing.Its middle shell and lid are respectively with a upper die tooling and a bed die ejection formation.Thereby housing and cover cap are fashionable, and the hook post engages respectively and is placed on combined hole, and exhaust outlet corresponds to ventilated port.Housing and cover plate compound mode are in hereinafter further specifying with an embodiment and accompanying drawing.
Shown in Fig. 9,10, the 6th preferred embodiment of the present invention mainly comprises a housing 700, a cover plate 710 and an impeller 720.Housing 700 bottoms respectively are provided with a hook post 710 and a fixed hole 702 for four jiaos, hook post 701 1 sides are provided with the hole, thereby when making this housing 700, extend in the slotted hole of another mould with mast by a mould, when ejection formation, the hook portion of hook post 701 ends is formed on mast top and slotted hole bottom, forms the cylinder of hook post 701 and the hole of cylinder one side around mast and the slotted hole, therefore, hook post 701 can upper die tooling and the bed die manufacturing form and get final product.Fixed hole 702 is fixed in fixed element for housing 700 to be treated on the heat dissipation element, housing 700 is provided with an exhaust outlet 703, support a pedestal 705 with several ribs 704 on the exhaust outlet 703, the hole of pedestal 705 (not indicating) wears fixing to form a combination for the axle of this impeller 720.The hook post 701 of housing 700, fixed hole 702, exhaust outlet 703, rib 704 and pedestal 705 are all made formation respectively with upper die tooling and bed die, make the present invention can make several housings 700 simultaneously, thereby the present invention have easily manufactured effect.Cover plate 710 tops respectively are provided with a plate 711 for four jiaos, being respectively equipped with a fixed hole 712 on the plate 711 is fixed in fixed element for cover plates 710 and treats on the heat dissipation element, cover plate 710 is provided with a ringwall 713 to form a ventilated port 715 of cover plate 710, ventilated port 715 two ends are positioned at the both sides of cover plate 710, ringwall 713 bottoms are provided with several combined hole 714 in addition, combined hole 714 1 sides are for the hook portion engaging of the hook post 701 of housing 700, combined hole 714 opposite sides are provided with a hole, thereby when making cover plate 710, extend in the groove of another mould with mast by a mould, when injection molding, form ringwall 713 and combined hole 714 around mast and the groove, mast forms the hole of these combined hole 714 1 sides, and therefore, combined hole 714 can upper die tooling and bed die manufacturing formation.The plate 711 of cover plate 710, fixed hole 712, ringwall 713, combined hole 714 and ventilated port 715 are all made formation respectively with upper die tooling and bed die, make the present invention can make several housings 700 simultaneously, thereby the present invention have easily manufactured effect.The pedestal 705 that impeller 720 is fixed in housing 700 forms one, and when cover plate 710 was covered on housing 700, impeller 720 was positioned at the ventilated port 715 of cover plate 710, and 701 on the hook post of housing 700 is sticked in the combined hole 714 of cover plate 710.When fixed element is arranged in fixed hole 702,712 lockings of housing 700 and cover plate 710, heat-dissipating fan tightly is locked in treats on the heat dissipation element.
Shown in Fig. 1,6, the present invention and existing frame of cooling axial-flow fan are relatively, cover plate of the present invention and housing are made respectively, therefore, housing can be selected the cover plate of suitable wind inlet diameter according to the impeller specification, and can not be subjected to the wind inlet diameter must be greater than the restriction of impeller diameter, and ventilated port 131 diameters of existing ringwall 130 must be greater than the impeller diameter, therefore in assembling really the time, it is high protruding in framework that impeller may take place, or make the impeller outer phenomenon of framework that drops.
Claims (57)
1, a kind of frame of cooling axial-flow fan, housing is provided with a ventilated port, it is characterized in that: the ventilated port two ends are positioned at the housing both sides; Cover plate is provided with a wind inlet; Housing combines by positioning element with cover plate, and wind inlet is corresponding with ventilated port.
2, a kind of frame of cooling axial-flow fan as claimed in claim 1, it is characterized in that: housing or cover plate are provided with combined hole, are provided with the tip on relative cover plate or housing, and tip drive fit is placed in the combined hole.
3, a kind of frame of cooling axial-flow fan as claimed in claim 1 is characterized in that: respectively be provided with several screws around the ventilated port of housing and around the wind inlet of cover plate, and fixing respectively with a screw.
4, a kind of frame of cooling axial-flow fan as claimed in claim 1 is characterized in that: housing is provided with a fixed hole that supplies fixed element to wear for four jiaos.
5, a kind of frame of cooling axial-flow fan as claimed in claim 1 is characterized in that: housing respectively is provided with a plate for four jiaos, and plate is provided with the fixed hole that wears for a fixed element.
6, a kind of frame of cooling axial-flow fan as claimed in claim 1 is characterized in that: ventilated port one side of housing is provided with a room, and room is inserted for a circuit board, and the room bottom is provided with the hole that the electric wire of a power circuit board wears.
7, a kind of frame of cooling axial-flow fan as claimed in claim 1 is characterized in that: the wind inlet diameter of cover plate is less than the ventilated port diameter of housing.
8, a kind of frame of cooling axial-flow fan as claimed in claim 1, it is characterized in that: the ventilated port of housing is formed by a ringwall.
9, a kind of frame of cooling axial-flow fan as claimed in claim 8, it is characterized in that: the ringwall of housing is recessed to form several grooves, and several grooves form the slug hole of housing.
10, a kind of frame of cooling axial-flow fan as claimed in claim 9 is characterized in that: several grooves run through ringwall madial wall and outer side wall to form the side wind inlet of housing.
11, a kind of frame of cooling axial-flow fan as claimed in claim 8 is characterized in that: ringwall one end forms one for the ring curved surface of guiding by the air-flow of ringwall.
12, a kind of frame of cooling axial-flow fan as claimed in claim 11 is characterized in that: the ring curved surface outwards gradually the expansion, will guide to by the air-flow of ringwall this heat-dissipating fan around.
13, a kind of frame of cooling axial-flow fan as claimed in claim 11 is characterized in that: the ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of this heat-dissipating fan one end by the air-flow guiding of this ringwall.
14, a kind of frame of cooling axial-flow fan as claimed in claim 1, it is characterized in that: ventilated port is inserted an impeller, and impeller drives air communication and crosses ventilated port.
15, a kind of frame of cooling axial-flow fan as claimed in claim 14 is characterized in that: impeller wears with one and is fixed on the housing.
16, a kind of frame of cooling axial-flow fan as claimed in claim 1, it is characterized in that: housing and cover plate are provided with combined hole, are provided with the hook post on relative cover plate or housing, and the engaging of hook post is placed in the combined hole.
17, a kind of frame of cooling axial-flow fan, housing is provided with an exhaust outlet, it is characterized in that: cover plate is provided with a ventilated port, and the ventilated port two ends are positioned at the cover plate both sides; Housing combines by positioning element with cover plate, and exhaust outlet is corresponding with ventilated port.
18, a kind of frame of cooling axial-flow fan as claimed in claim 17, it is characterized in that: cover plate is provided with the ventilated port that is formed by ringwall.
19, a kind of frame of cooling axial-flow fan as claimed in claim 18, it is characterized in that: cover plate is provided with combined hole, is positioned at the ringwall bottom.
20, a kind of frame of cooling axial-flow fan as claimed in claim 17, it is characterized in that: housing and cover plate are provided with combined hole, in addition are being provided with the hook post on cover plate or the housing relatively, and the hook post can engage and is placed in the combined hole.
21, a kind of frame of cooling axial-flow fan as claimed in claim 20 is characterized in that: housing is provided with hook post one side and cover plate and establishes combined hole one side and be respectively equipped with a hole.
22, a kind of frame of cooling axial-flow fan as claimed in claim 17 is characterized in that: respectively be provided with several screws around the ventilated port of cover plate and around the exhaust outlet of housing, and fixing respectively with a screw.
23, a kind of frame of cooling axial-flow fan as claimed in claim 17 is characterized in that: housing is provided with the fixed hole that wears for fixed element for four jiaos.
24, a kind of frame of cooling axial-flow fan as claimed in claim 17 is characterized in that: housing respectively is provided with a plate for four jiaos, and plate is provided with the fixed hole that wears for fixed element.
25, a kind of frame of cooling axial-flow fan as claimed in claim 17 is characterized in that: ventilated port one side of cover plate is provided with a room, and room is inserted circuit board, and the room bottom is provided with the hole that the power circuit board electric wire wears.
26, a kind of frame of cooling axial-flow fan as claimed in claim 17 is characterized in that: the exhaust outlet diameter of housing is less than the ventilated port diameter of cover plate.
27, a kind of frame of cooling axial-flow fan as claimed in claim 18, it is characterized in that: the ringwall of cover plate is recessed to form several grooves, and several grooves form the slug hole of housing.
28, a kind of frame of cooling axial-flow fan as claimed in claim 27 is characterized in that: several grooves run through the side wind inlet of ringwall madial wall and outer side wall formation cover plate.
29, a kind of frame of cooling axial-flow fan as claimed in claim 18 is characterized in that: ringwall one end is provided with for the ring curved surface of guiding by the air-flow of this ringwall.
30, a kind of frame of cooling axial-flow fan as claimed in claim 29 is characterized in that: the ring curved surface outwards gradually the expansion, will guide to by the air-flow of ringwall this heat-dissipating fan around.
31, a kind of frame of cooling axial-flow fan as claimed in claim 29 is characterized in that: the ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of heat-dissipating fan one end by the air-flow guiding of ringwall.
32, a kind of frame of cooling axial-flow fan as claimed in claim 17, it is characterized in that: ventilated port is inserted an impeller, and impeller drives air communication and crosses ventilated port.
33, a kind of frame of cooling axial-flow fan as claimed in claim 32, it is characterized in that: impeller wears in the hole of being fixed in the housing pedestal with one.
34, a kind of frame of cooling axial-flow fan, housing is provided with a ventilated port, it is characterized in that: have ringwall, ringwall to be provided with several slotted eyes around the ventilated port; Cover plate is provided with wind inlet; Cover plate and housing ringwall top are approaching, and combination of elements is positioned.
35, a kind of frame of cooling axial-flow fan as claimed in claim 34 is characterized in that: housing is provided with a fixed hole for four jiaos and wears for a fixed element.
36, a kind of frame of cooling axial-flow fan as claimed in claim 34 is characterized in that: housing respectively is provided with a plate for four jiaos, and plate is provided with a fixed hole that supplies fixed element to wear.
37, a kind of frame of cooling axial-flow fan as claimed in claim 34, it is characterized in that: ringwall is provided with room, and room is inserted for a circuit board, and the room bottom is provided with the hole that the electric wire of power circuit board passes.
38, a kind of frame of cooling axial-flow fan as claimed in claim 34 is characterized in that: the wind inlet diameter of cover plate is less than the ventilated port diameter of housing.
39, a kind of frame of cooling axial-flow fan as claimed in claim 34 is characterized in that: ringwall one end forms a ring curved surface for the air-flow of guiding by this ringwall.
40, a kind of frame of cooling axial-flow fan as claimed in claim 39 is characterized in that: the ring curved surface outwards gradually the expansion, will guide to by the air-flow of this ringwall heat-dissipating fan around.
41, a kind of frame of cooling axial-flow fan as claimed in claim 40 is characterized in that: the ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of heat-dissipating fan one end by the air-flow guiding of this ringwall.
42, a kind of frame of cooling axial-flow fan as claimed in claim 34 is characterized in that: ventilated port is inserted for an impeller, and impeller drives air communication and crosses this ventilated port.
43, a kind of frame of cooling axial-flow fan as claimed in claim 42 is characterized in that: impeller wears with one and is fixed in this housing.
44, a kind of frame of cooling axial-flow fan as claimed in claim 34, it is characterized in that: one of ringwall top and cover plate are established combined hole, and establish the tip in addition, and the tip can drive fit be placed in the combined hole.
45, a kind of frame of cooling axial-flow fan as claimed in claim 34, it is characterized in that: ringwall top and cover plate screw fixing with screw.
46, a kind of frame of cooling axial-flow fan as claimed in claim 34, it is characterized in that: one of ringwall top and cover plate are provided with combined hole, and other establishes the hook post, and the engaging of hook post is placed in the combined hole.
47, a kind of frame of cooling axial-flow fan, housing is provided with exhaust outlet, it is characterized in that: cover plate is provided with a ventilated port, has ringwall, ringwall to establish several slotted eyes around the ventilated port; Cover plate and ringwall bottom are approaching, by the positioning element combination.
48, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: one of ringwall bottom or housing are provided with combined hole, and establish the tip in addition, and tip drive fit is placed in the combined hole.
49, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: the ringwall bottom screws fixing with cover plate with screw.
50, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: one of ringwall bottom and cover plate are provided with combined hole, and other establishes the hook post, and the hook post can engage and is placed in the combined hole.
51, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: housing is provided with a fixed hole that supplies fixed element to wear for four jiaos.
52, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: housing respectively is provided with a plate for four jiaos, and this plate is provided with the fixed hole that wears for fixed element.
53, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: ringwall one end forms a ring curved surface for the air-flow of guiding by this ringwall.
54, a kind of frame of cooling axial-flow fan as claimed in claim 53 is characterized in that: the ring curved surface outwards gradually the expansion, will guide to by the air-flow of this ringwall this heat-dissipating fan around.
55, a kind of frame of cooling axial-flow fan as claimed in claim 53 is characterized in that: the ring curved surface inwardly dwindles gradually, will be collected to a specific bent territory of this heat-dissipating fan one end by the air-flow guiding of this ringwall.
56, a kind of frame of cooling axial-flow fan as claimed in claim 47 is characterized in that: exhaust outlet is inserted for an impeller, and this impeller drives air communication and crosses this ventilation.
57, a kind of frame of cooling axial-flow fan as claimed in claim 56 is characterized in that: impeller wears with one and is fixed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99106131A CN1085791C (en) | 1999-04-28 | 1999-04-28 | Frame of cooling axial-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99106131A CN1085791C (en) | 1999-04-28 | 1999-04-28 | Frame of cooling axial-flow fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1271818A true CN1271818A (en) | 2000-11-01 |
| CN1085791C CN1085791C (en) | 2002-05-29 |
Family
ID=5272271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99106131A Expired - Lifetime CN1085791C (en) | 1999-04-28 | 1999-04-28 | Frame of cooling axial-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1085791C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341145C (en) * | 2003-08-19 | 2007-10-03 | 建准电机工业股份有限公司 | Air outlet flow guiding structure of radiating fan |
| CN100362246C (en) * | 2004-06-02 | 2008-01-16 | Lg电子株式会社 | Cooling fan |
| CN100410544C (en) * | 2005-08-25 | 2008-08-13 | 建凖电机工业股份有限公司 | Air-blast fan |
| CN103557407A (en) * | 2013-10-24 | 2014-02-05 | 天津明贤科技有限公司 | Tube machine casing and machining method thereof |
| CN107781224A (en) * | 2016-08-31 | 2018-03-09 | 昆山广兴电子有限公司 | Axial flow fan |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100380000C (en) * | 2004-06-24 | 2008-04-09 | 建准电机工业股份有限公司 | Casing seat of axial-flow radiating fan |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577888A (en) * | 1995-06-23 | 1996-11-26 | Siemens Electric Limited | High efficiency, low-noise, axial fan assembly |
| CN2248789Y (en) * | 1996-02-15 | 1997-03-05 | 王志强 | Plastics axial fan |
| CN2303113Y (en) * | 1997-05-26 | 1999-01-06 | 元山科技工业股份有限公司 | Shaft bearing device of axial fan |
-
1999
- 1999-04-28 CN CN99106131A patent/CN1085791C/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100341145C (en) * | 2003-08-19 | 2007-10-03 | 建准电机工业股份有限公司 | Air outlet flow guiding structure of radiating fan |
| CN100362246C (en) * | 2004-06-02 | 2008-01-16 | Lg电子株式会社 | Cooling fan |
| US7399085B2 (en) | 2004-06-02 | 2008-07-15 | Lg Electronics Inc. | Cooling fan |
| CN100410544C (en) * | 2005-08-25 | 2008-08-13 | 建凖电机工业股份有限公司 | Air-blast fan |
| CN103557407A (en) * | 2013-10-24 | 2014-02-05 | 天津明贤科技有限公司 | Tube machine casing and machining method thereof |
| CN107781224A (en) * | 2016-08-31 | 2018-03-09 | 昆山广兴电子有限公司 | Axial flow fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1085791C (en) | 2002-05-29 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: The time limit for performance of the contract expires on April 28, 2019 and the patent expires Contract record no.: Contract filing No. 031000030058 Denomination of invention: The invention relates to an axial flow type cooling fan frame Granted publication date: 20020529 License type: Common License Record date: 20030527 |
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Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2019.4.28, EXPIRATION OF PATENT RIGHT Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030527 |
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Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract fulfillment period: April 28, 2019 Contract record no.: 031000030058 Denomination of invention: Axial flow type heat radiation fan frame Granted publication date: 20020529 License type: General permission Record date: 20030527 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: COMMON LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2019.4.28 Name of requester: KUNSHAN GUANGXING ELECTRONICS CO., LTD. Effective date: 20030527 |
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Granted publication date: 20020529 |
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