CN206360932U - A kind of rear shell of ventilating fan - Google Patents
A kind of rear shell of ventilating fan Download PDFInfo
- Publication number
- CN206360932U CN206360932U CN201621391038.7U CN201621391038U CN206360932U CN 206360932 U CN206360932 U CN 206360932U CN 201621391038 U CN201621391038 U CN 201621391038U CN 206360932 U CN206360932 U CN 206360932U
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- China
- Prior art keywords
- machine support
- screw
- rear shell
- electric machine
- frame
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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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of rear shell of ventilating fan, solve the problem of shell service life is shorter after common ventilating fan, its drip irrigation device is, the electric machine support fixed including the frame and electric motor fixed for whole motor, the electric machine support is made up of sheet metal and is removably fixed in frame by fixation kit, the electric machine support is provided with the through hole that electric motor is passed through, the edge of the through hole is provided with and vertically arranged first flange of electric machine support, the electric machine support also includes the screw hole that multiple circular through hole arrangements and electric motor are fixed, reach the longer purpose of the service life of the rear shell.
Description
Technical field
The utility model is related to the manufacturing technology field of shell after fan, the rear shell of more particularly to a kind of ventilating fan.
Background technology
Ventilating fan, fan blade rotation driving air-flow is driven by motor, is the class air adjustment for exchanging indoor and outdoor air
Electrical equipment, also known as draft fan.The purpose of air draft seeks to remove indoor foul atmosphere, regulation temperature, humidity and sensory effect.Cause
This, ventilating fan is widely used in family and public place, is with a wide range of applications.The rear shell of ventilating fan is electric as its is fixed
The main support device of motivation；Meanwhile, ventilating fan can suck substantial amounts of air-flow during work from rear, enter then shell
Performance of ventilating will must get well；Meanwhile, motor can produce substantial amounts of heat in rotation process, and then be directly connected to motor
Rear shell need preferably heat dispersion；Therefore, the fastness of rear shell and its ventilation, radiating manufacture craft are to hardware row
Industry have issued technological challenge.
The Chinese utility model patent for now retrieving a Publication No. CN205225797U discloses a kind of electronic fan
Assembly, including electronic fan assembly body, the electronic fan assembly body include fan frame, flabellum, support and motor, described
Support is arranged in a crossed manner along the diagonal of fan frame, and the support is fixedly connected with fan frame by support fixed screw, and the support intersects
Place is provided with rolling bearing, and the rolling bearing, which is rotated axle, to be run through, and described rotary shaft one end connects motor, and the rotary shaft is another
One end is provided with flabellum connecting screw head, and the motor is arranged on rear shell, and the rear shell is connected by fan frame fixed screw and fanned
Frame, the flabellum connecting screw head connects flabellum by connector, and the making material of rear shell is noise abatement plastics, and its main component is
Reproducible polypropylene and polyethylene terephthalate.
But, in the case of motor high-speed rotation, motor, which necessarily leads to, to be rocked, this rear shell being made of plastics
Motor repeatedly rock in the case of easily by motor shell wear and tear, and then cause between motor and rear shell produce between
Gap, therefore, motor only can rock more severe, are unfavorable for the permanent of the rear shell and use.
Utility model content
The purpose of this utility model is to provide a kind of rear shell of ventilating fan, has the advantages that service life is longer.
Above-mentioned technical purpose of the present utility model technical scheme is that：After a kind of ventilating fan
Shell, including the electric machine support that the frame and electric motor fixed for whole motor are fixed, the electric machine support is by sheet metal system
Frame is removably fixed in into and by fixation kit, the electric machine support is provided with the through hole that electric motor is passed through, described to pass through
The edge of perforation is provided with also includes multiple circular through hole cloth with vertically arranged first flange of electric machine support, the electric machine support
Put and electric motor fix screw hole.
By using above-mentioned technical proposal, sheet metal has structural strength high relative to the rear shell of common plastics material
Advantage, and then in the case where motor is rocked due to high-speed rotation, be not susceptible to abrasion, then effectively extend the rear shell
Service life；Metal phase has preferably thermal conductivity, and then during motor high-speed rotation for plastics simultaneously, can be with
Heat is passed out by rear shell, the radiating effect of the rear shell is effectively increased；Motor is through after through hole, the first flange
The contact area between motor lateral wall is added, and then motor is stronger is fixed on the rear shell, so that motor exists
In the case of rocking, due to being difficult to gap occur between motor and electric machine support, further make electric machine support not easy to wear, enter
One step extends the service life of the rear shell.
It is of the present utility model it is further set, the fixation kit include screw and located at electric machine support upper and lower end the
One extension board, the frame is provided with the first screw screwed in for screw, and first extension board is provided with second screwed in for screw
Screw, the screw screws in the first screw and the second screw so that the first extension board is fixedly connected with frame simultaneously.
By using above-mentioned technical proposal, screw pass through and be threadedly connected to the first screw and the second screw after, realize solid
Deckle frame and the first extension board, so that the first extension board and frame are firmly connected, so that electric machine support is supported between frame,
The structural strength of the rear shell is effectively increased, the service life of the rear shell is further lifted；It is simultaneously this to be installed by screw
Fixed mode, is easily installed and dismantles, and is conducive to the later stage to repair ventilating fan.
Further setting of the present utility model, the frame is provided with for the accommodating depressed part in the cap portion of screw, the depression
Portion is located at around the first screw and to frame internal projection.
By using above-mentioned technical proposal, projection not only increases the structural strength of frame, is also housed for the cap portion of screw,
And then there is certain protective effect to screw, so that foreign object is difficult to collide screw, screw loosening is effectively prevented, electricity is added
Structural integrity between machine support and frame, so as to extend the service life of the rear shell.
It is of the present utility model it is further set, the fixation kit includes being resiliently attached to the of electric machine support upper and lower end
Two extension boards and the first flexure strip and the second flexure strip located at frame, second extension board are provided with for the first flexure strip and the
Two flexure strips insertion neck, the end face that first flexure strip and the second flexure strip mutually deviate from be respectively equipped with the first barrier portion and
Second barrier portion.
By using above-mentioned technical proposal, elastic connection between the first extension board and electric machine support, the first flexure strip and
Two flexure strips are flexible, and then conveniently insert the first flexure strip and the second flexure strip in the neck of the second extension board, simultaneously
First barrier portion and the second barrier portion are passed through after neck, and barrier is in the second extension board, and then the first flexure strip and the second flexure strip
Neck is not easily disconnected from, being fixedly connected for frame and the second extension board is realized, it is this to insert solid mode there is the excellent of easy installation and removal
Point.
Further setting of the present utility model, first barrier portion is fixed on the first flexure strip and surrounded triangular prism shaped
Shape, second barrier portion is fixed on the second flexure strip and surrounds triangular prism shape.
By using above-mentioned technical proposal, the first barrier portion is fixed on the first flexure strip, the second barrier portion and is fixed on second
Triangular prism shape is surrounded after flexure strip, and then formation is easy to the first barrier portion and the second barrier portion to be caught in the inclined-plane of neck, from
And be further conducive to installing and dismantling electric machine support, convenient maintenance.
Further setting of the present utility model, airflow holes of the electric machine support provided with multiple supply stream suctions.
By using above-mentioned technical proposal, airflow hole increases the ventilative ability of the rear shell, and then ventilating fan is in the course of work
In substantial amounts of air can be sucked from airflow hole, so as to effectively increase the air permeability of the rear shell.
Further setting of the present utility model, the edge of the airflow hole is provided with to be turned over for the second of reinforcement structure intensity
Side, the both sides of the electric machine support are equipped with the 3rd flange for reinforcement structure intensity.
By using above-mentioned technical proposal, the 3rd flange and the first flange mating reaction, add electric machine support through
The structural strength of bore portion, the 3rd flange and the second flange mating reaction, add structure of the electric machine support in air-flow bore portion
Intensity, and then the structural strength of electric machine support effectively is enhanced, so as to extend the service life of the rear shell.
Further setting of the present utility model, the edge of the through hole is provided with the radiating breach for ventilation and heat.
By using above-mentioned technical proposal, extraneous relatively cold air can be inhaled into ventilating fan by the breach that radiates
Portion, and then substantial amounts of heat can be taken away during colder air is contacted with motor lateral wall, therefore, radiating breach is favourable
Cool in motor, further increase the radiating effect of the rear shell.
Further setting of the present utility model, the frame includes flanging, and the edge of the flanging is provided with fillet.
By using above-mentioned technical proposal, flanging is unlikely to deform frame, and then improves the structural integrity of frame, from
And extend the service life of frame；Meanwhile, fillet makes the edge of flanging no longer sharp, so staff install and
During repairing ventilating fan, it is difficult, by the edge scratch of flanging, to effectively reduce the potential safety hazard of the rear shell.
Further setting of the present utility model, the flanging is provided with the line card for being used for blocking electric wire.
By using above-mentioned technical proposal, the electric wire in ventilating fan includes power line and signal wire, and line card is easy to pair
These electric wires carry out entirety and fixed, and electric wire arrangement path is carried out systematization, and then line card is easy to staff's assembling air draft
Fan.
In summary, the utility model has the advantages that：With common rear shell phase ratio, the utility model is fully sharp
The characteristics of with sheet metal, to increase its structural strength, moreover it is possible to its ventilation, heat-sinking capability is lifted, while electric machine support and side
Frame is detachably connected mode, so that electric machine support is supported between frame, is also convenient for staff and installs and dismantle after this
Shell.Generally speaking the utility model, sound construction, ventilation, good heat dissipation effect, are easily installed and dismantle, service life is long, pacify
Quan Xinggao.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1；
Fig. 2 is the assembly relation schematic diagram of frame, electric machine support and fixation kit in embodiment 1；
Fig. 3 is the structural representation of electric machine support in embodiment 1；
Fig. 4 is the assembly relation schematic diagram of frame, electric machine support and fixation kit in embodiment 2.
Reference：1st, frame；11st, the first screw；12nd, depressed part；13rd, flanging；131st, fillet；132nd, line card；2nd, it is electric
Machine support；21st, through hole；211st, the first flange；212nd, radiate breach；22nd, screw hole；23rd, airflow hole；231st, the second flange；
24th, the 3rd flange；3rd, fixation kit；31st, screw；32nd, the first extension board；321st, the second screw；33rd, the second extension board；331、
Neck；34th, the first flexure strip；341st, the first barrier portion；35th, the second flexure strip；351st, the second barrier portion.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Embodiment 1：The rear shell of a kind of ventilating fan, as shown in figure 1, frame 1 and motor branch including being made up of sheet metal
Frame 2, the rectangular frame-shaped of frame 1, the rectangular shape of electric machine support 2, and electric machine support 2 are supported between frame 1.Electric machine support 2
Upper and lower side is removably connected to frame 1 by fixation kit 3.
The bending forming of frame 1 has the flanging 13 for increasing its structural strength, and the edge of flanging 13 cuts with fillet 131, circle
Angle 131 effectively prevents staff from, by the edge scratch of flanging 13, effectively increasing the security of the rear shell.
Multiple otch are provided with flanging 13 and line card 132 is formed, line card 132 is conducive to fixing the electric wire inside ventilating fan,
To carry out systematization to electric wire arrangement path, and then line card 132 is easy to staff to assemble ventilating fan.
As shown in Fig. 2 fixation kit 3 includes screw 31 and bending forming in the first extension board of the upper and lower end of electric machine support 2
32, the first extension board 32 is provided with the second screw 321 being threadedly coupled for screw 31, its oriented inner recess of the punch forming of frame 1
Depressed part 12, depressed part 12 is provided with the first screw 11 being threadedly coupled for screw 31, and then screw 31 is threadedly connected to successively
After first screw 11 and the second screw 321, realize that the first extension board 32 and frame 1 are firmly connected.This dismountable fixation side
Formula, is easy to people to install and dismantle the rear shell, convenient maintenance.
The cap portion of screw 31 is contained in depressed part 12, and projection not only increases the structural strength of frame 1, also for screw 31
Cap portion house, and then to screw 31 have certain protective effect so that foreign object is difficult to collide screw 31, effectively prevent spiral shell
Nail 31 loosens, and structural integrity between electric machine support 2 and frame 1 is added, so as to extend the service life of the rear shell.
As shown in figure 3, the centre of electric machine support 2 is provided with the through hole 21 that electric motor is passed through, the edge of through hole 21 is opened
There are two radiating breach 212, while the edge punch forming of through hole 21 has the first flange 211, the first flange 211 adds electricity
Contact area between motivation lateral wall, and then motor is stronger is fixed on the rear shell, so that motor is in the feelings rocked
Under condition, due to being difficult to gap occur between motor and electric machine support 2, further make electric machine support 2 not easy to wear, extend this
The service life of shell afterwards.
Electric machine support 2 is also provided with the screw hole 22 that multiple circular through holes 21 are arranged and electric motor is fixed, and further has
Beneficial to the fixation of motor, so as to increase the fastness of ventilating fan.
Electric machine support 2 be also provided with two be used for divulge information airflow hole 23, two airflow holes 23 are located at through hole 21 respectively
Upper and lower and rectangular shape, airflow hole 23 add the air permeability of the rear shell, are conducive to ventilating fan suction airflow.
The edge punch forming of airflow hole 23 has the second flange 231 simultaneously, and the both sides punch forming of electric machine support 2 has the 3rd
Flange 24, the 3rd flange 24 and the mating reaction of the first flange 211, add structure of the electric machine support 2 in the part of through hole 21 strong
Degree, the 3rd flange 24 and the mating reaction of the second flange 231, add structural strength of the electric machine support 2 in the part of airflow hole 23, enter
And the structural strength of electric machine support 2 is effectively enhanced, so as to extend the service life of the rear shell.
Embodiment 2：A kind of rear shell of ventilating fan, is with the difference of embodiment 1, as shown in figure 4, fixation kit 3
The second extension board 33 in the upper and lower end of electric machine support 2 and the He of the first flexure strip 34 for being shaped in frame 1 including bending forming
Second flexure strip 35, the second extension board 33 realizes the elastic connection with electric machine support 2 using the ductility of sheet metal, and second prolongs
Stretch plate 33 and be provided with the neck 331 inserted for the first flexure strip 34 and the second flexure strip 35, the rectangular shape of neck 331, the first elasticity
Bending forming has the first barrier portion 341 and the second barrier portion 351 to the end face that piece 34 mutually deviates from the second flexure strip 35 respectively.First
Elastic connection between extension board 32 and electric machine support 2, the first flexure strip 34 and the second flexure strip 35 are flexible, and then conveniently will
First flexure strip 34 and the second flexure strip 35 are inserted in the neck 331 of the second extension board 33, while the first barrier portion 341 and second
Barrier portion 351 is passed through after neck 331, and barrier is difficult in the second extension board 33, and then the first flexure strip 34 and the second flexure strip 35
Depart from neck 331, realize being fixedly connected for frame 1 and the second extension board 33, it is this to insert solid mode there is easy installation and removal
Advantage.
First barrier portion 341 and the first flexure strip 34 are welded and fixed and surround triangular prism shape, the second barrier portion 351 and
Two flexure strips 35 are welded and fixed and surround triangular prism shape, and are formed and be easy to the first barrier portion 341 and the second barrier portion 351 to be caught in
The inclined-plane of neck 331, so as to further be conducive to installing and dismantling electric machine support 2, convenient maintenance.
Claims (10)
1. the rear shell of a kind of ventilating fan, it is characterised in that what frame (1) and electric motor including being fixed for whole motor were fixed
Electric machine support (2), the electric machine support (2) is made up of sheet metal and is removably fixed in frame by fixation kit (3)
(1), the electric machine support (2) is provided with the through hole (21) that electric motor is passed through, and the edge of the through hole (21) is provided with and electricity
Vertically arranged first flange (211) of machine support (2), the electric machine support (2) also includes multiple circular through hole (21) arrangements
And the screw hole (22) that electric motor is fixed.
2. the rear shell of a kind of ventilating fan according to claim 1, it is characterised in that the fixation kit (3) includes screw
(31) and located at first extension board (32) of electric machine support (2) upper and lower end, the frame (1) is provided with what is screwed in for screw (31)
First screw (11), first extension board (32) is provided with the second screw (321) screwed in for screw (31), the screw (31)
The first screw (11) is screwed in simultaneously with the second screw (321) so that the first extension board (32) is fixedly connected with frame (1).
3. the rear shell of a kind of ventilating fan according to claim 2, it is characterised in that the frame (1) is provided with and supplies screw
(31) the accommodating depressed part (12) in cap portion, the depressed part (12) is located at around the first screw (11) and to frame convex
Rise.
4. the rear shell of a kind of ventilating fan according to claim 1, it is characterised in that the fixation kit (3) includes elasticity
It is connected to second extension board (33) of electric machine support (2) upper and lower end and located at the first flexure strip (34) of frame (1) and the second bullet
Property piece (35), second extension board (33) be provided with for the first flexure strip (34) and the second flexure strip (35) insertion neck
(331), first flexure strip (34) and the end face that the second flexure strip (35) mutually deviates from be respectively equipped with the first barrier portion (341) and
Second barrier portion (351).
5. the rear shell of a kind of ventilating fan according to claim 4, it is characterised in that first barrier portion (341) is fixed
In the first flexure strip (34) and triangular prism shape is surrounded, second barrier portion (351) is fixed on the second flexure strip (35) and enclosed
Into triangular prism shape.
6. the rear shell of a kind of ventilating fan according to claim 1, it is characterised in that the electric machine support (2) is provided with multiple
The airflow hole (23) of supply stream suction.
7. the rear shell of a kind of ventilating fan according to claim 6, it is characterised in that the edge of the airflow hole (23) is provided with
For the second flange (231) of reinforcement structure intensity, the both sides of the electric machine support (2) are equipped with for reinforcement structure intensity
3rd flange (24).
8. the rear shell of a kind of ventilating fan according to claim 1, it is characterised in that the edge of the through hole (21) is provided with
Radiating breach (212) for ventilation and heat.
9. the rear shell of a kind of ventilating fan according to claim 1, it is characterised in that the frame (1) includes flanging (13),
The edge of the flanging (13) is provided with fillet (131).
10. the rear shell of a kind of ventilating fan according to claim 9, it is characterised in that the flanging (13), which is provided with, to be used for
Block the line card (132) of electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391038.7U CN206360932U (en) | 2016-12-17 | 2016-12-17 | A kind of rear shell of ventilating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621391038.7U CN206360932U (en) | 2016-12-17 | 2016-12-17 | A kind of rear shell of ventilating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360932U true CN206360932U (en) | 2017-07-28 |
Family
ID=59373627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621391038.7U Expired - Fee Related CN206360932U (en) | 2016-12-17 | 2016-12-17 | A kind of rear shell of ventilating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360932U (en) |
-
2016
- 2016-12-17 CN CN201621391038.7U patent/CN206360932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20201217 |