CN205297962U - Electric fan, head assembly and motor support thereof - Google Patents
Electric fan, head assembly and motor support thereof Download PDFInfo
- Publication number
- CN205297962U CN205297962U CN201520976115.4U CN201520976115U CN205297962U CN 205297962 U CN205297962 U CN 205297962U CN 201520976115 U CN201520976115 U CN 201520976115U CN 205297962 U CN205297962 U CN 205297962U
- Authority
- CN
- China
- Prior art keywords
- fixing plate
- electric machine
- machine support
- connecting plate
- nose assembly
- Prior art date
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an electric fan, head assembly and motor support thereof. This motor support includes: the fixed plate, the connecting plate, install in on the fixed plate, hollow back shaft, install in on the fixed plate, be used for supporting fixed plate and connecting plate, and the brace rod, connect the fixed plate with the connecting plate is connected the fixed plate through the brace rod and is makeed the rigidity of motor support strengthen with the connecting plate to reduce the shake that receives of electric fan during operation motor support, and then reduce the motor support in the ascending vibration amplitude in shake side, improve the reliability of motor support, reduction head assembly's vibration, the performance of assurance electric fan, the user's use of being convenient for.
Description
Technical field
This utility model relates to electric equipment field, particularly relates to a kind of electric fan, nose assembly and electric machine support thereof.
Background technology
In current fan product, nose assembly mainly includes front net, rear net, fan blade, asynchronous machine, cover cap and electric machine support etc. Fan blade rotates under the drive of motor, dries, by the assembly relation of nose assembly it can be seen that the electric machine support of nose assembly is the main load-bearing part of nose assembly, front and back net and fan blade are arranged on cover cap, cover cap is mounted on electric machine support, and motor is arranged on electric machine support. Fan in the running, substantially born by electric machine support by the external force of suffered front and back shake, but, the rigidity of this motor supporting structure is inadequate, it is easy to cause the shake of fan head, affects the air-out performance of fan, is not easy to user and uses.
Utility model content
Based on this, it is necessary to for the problem that the rigidity of current electric machine support is inadequate, it is provided that a kind of electric machine support rigidity can strengthened, additionally provide a kind of nose assembly containing above-mentioned electric machine support and the electric fan containing above-mentioned nose assembly simultaneously.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of electric machine support, including:
Fixing plate;
Connecting plate, is installed on described fixing plate;
The support axle of hollow, is installed on described fixing plate, is used for supporting described fixing plate and connecting plate; And
Brace rod, connects described fixing plate and described connecting plate.
Wherein in an embodiment, described brace rod is rib, and described rib is obliquely installed relative to described fixing plate;
One end of described rib is positioned on described fixing plate, and the other end is positioned on described connecting plate.
Wherein in an embodiment, described rib is 15 �㡫75 �� relative to the angle that described fixing plate tilts.
Wherein in an embodiment, the 1/5��3/4 of the described rib length being projected as described fixing plate on described fixing plate.
Wherein in an embodiment, described brace rod is gusset, and one of them limit of described gusset contacts with the surface of described fixing plate, and another limit contacts with the surface of described connecting plate.
Wherein in an embodiment, the cross sectional shape of described gusset is triangle, and one of them limit contacts with the surface of described fixing plate, and another side contacts with the surface of described connecting plate;
Angle between Article 3 limit and the surface of described fixing plate of described gusset is 15 �㡫75 ��.
Wherein in an embodiment, the quantity of described connecting plate is two, and two described connecting plates are symmetricly set on described fixing plate;
And, the angle between described fixing plate and described connecting plate is 90 �� �� 5 ��.
Wherein in an embodiment, described fixing plate being additionally provided with and is easy to the bending part that the installation of described fixing plate is fixing, described bending part is obliquely installed relative to the surface of described fixing plate;
Described bending part towards with described connecting plate towards contrary.
Further relate to a kind of nose assembly, including asynchronous machine, cover cap, guard, fan blade and the electric machine support as described in above-mentioned any technology feature;
Described fan blade is installed in described guard, and described guard is installed on described cover cap; Described cover cap is fixed on described electric machine support;
Described asynchronous machine is installed on described electric machine support.
Further relating to a kind of electric fan, including base and the nose assembly as described in above-mentioned technical characteristic, described nose assembly is installed on described base.
The beneficial effects of the utility model are:
Electric fan of the present utility model, nose assembly and electric machine support thereof, structural design advantages of simple, between fixing plate and connecting plate, brace rod is set, connecting fixing plate by brace rod makes the rigidity of electric machine support strengthen with connecting plate, shake suffered by electric machine support during to reduce electric fan work, and then reduction electric machine support vibration amplitude on jitter direction, improve the reliability of electric machine support, reduce the vibration of nose assembly, it is ensured that the performance of electric fan, it is simple to user uses.
Accompanying drawing explanation
Fig. 1 is the vibration-testing figure during electric machine support of nose assembly use prior art;
Fig. 2 is the axonometric chart of the nose assembly of this utility model one embodiment;
Fig. 3 is the axonometric chart of electric machine support in the nose assembly shown in Fig. 2;
Fig. 4 is nose assembly vibration-testing figure when using electric machine support in Fig. 3;
Wherein:
100-electric machine support;
110-fixes plate; 111-bending part;
120-connecting plate;
130-supports axle;
140-brace rod;
200-asynchronous machine;
300-cover cap;
400-guard;
500-fan blade.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, by the following examples, and in conjunction with accompanying drawing, electric fan of the present utility model, nose assembly and electric machine support thereof are further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Referring to Fig. 2 and Fig. 3, this utility model provides a kind of electric machine support 100, including fixing plate 110, connecting plate 120, the support axle 130 of hollow and brace rod 140.
In this utility model, connecting plate 120 is installed on fixing plate 110. Connecting plate 120 is for fixing asynchronous machine 200, fixing plate 110 is used to fixing for electric machine support 100, fixing by fixing plate 110 so that asynchronous machine 200 vibration operationally reduces, and then the fan blade 400 in nose assembly is not easily shaken when rotating. Connecting plate 120 is installed on fixing plate 110, angle is formed between fixing plate 110 connecting plate 120, and, fixing angle between plate 110 and connecting plate 120 is 90 �� �� 5 ��, so can facilitate the production and processing of connecting plate 120 and fixing plate 110, it is ensured that the coupling stiffness between connecting plate 120 and fixing plate 110.
In the present embodiment, fixing angle between plate 110 and connecting plate 120 is 90 ��. Meanwhile, the quantity of connecting plate 120 is two, and two connecting plates 120 are symmetricly set on fixing plate 110, connects fixing asynchronous machine 200 by two connecting plates 120 so that asynchronous machine 200 is fixed, it is prevented that play occurs in the position of asynchronous machine 200. Certainly, two connecting plates 120 can also be structure as a whole. Further, fixing plate 110 can also adopt integrated processing mode to process with connecting plate 120, to improve the reliability of electric machine support 100.
The support axle 130 of hollow is installed on fixing plate 110, is used for supporting fixing plate 110 and connecting plate 120. The axle 130 that supports of hollow is perpendicular to the surface of fixing plate 110, and support axle 130 lays respectively at the both sides of fixing plate 110 with connecting plate 120. The one end supporting axle 130 connects fixing plate 110, and the other end connects the supportive body of electric fan, and the wire of asynchronous machine 200 is installed in support axle 130.
Brace rod 140 connects fixing plate 110 and connecting plate 120. Brace rod 140 can play the effect of support, increases fixing attachment force between plate 110 and connecting plate 120. During nose assembly work, fan blade 400 rotates, and in the process that fan blade 400 rotates, nose assembly can produce jitter phenomenon, and the external force of front and back shake is substantially born by electric machine support 100. Electric machine support 100 of the present utility model mainly carries out finishing structure on the main load-bearing part electric machine support 100 of head to be improved. Consider that the impact of the front and back bending vibration that the shake of nose assembly is subject to electric machine support 100 is bigger, by the method increasing brace rod 140, increase the electric machine support 100 rigidity on nose assembly jitter direction, thus changing the resonance vibration shape of electric machine support 100, reduce the electric machine support 100 vibration amplitude on jitter direction, be finally reached the jitter conditions improving nose assembly.
Concrete, can connect, by brace rod 140, the rigidity that fixing plate 110 and connecting plate 120 enable to electric machine support 100 to increase, particularly in the rigidity on the jitter direction of electric machine support 100, the each order mode state bending vibration shape adjusted and improve electric machine support 100, thus changing the resonance vibration shape of electric machine support 100, reduce resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduce the amplitude of nose assembly shake, nose assembly is operated steadily, it is ensured that the performance of electric fan.
Comparison diagram 1 and Fig. 4, Fig. 1 are the vibration-testing figure during electric machine support 100 of nose assembly use prior art, and now, the electric machine support 100 peak value at 100Hz place is 2.8; Fig. 4 be nose assembly use in this utility model electric machine support 100 time vibration-testing figure, now, the electric machine support 100 peak value at 100Hz place is 1.25. Flutter test data from Fig. 1 and Fig. 4 is it is apparent that electric machine support 100 is after structural change, and the vibration amplitude at 100Hz chattering frequency place has had certain reduction, 2.8 before drop to present 1.25. Field observation shows, mounting structure variation after electric machine support 100 nose assembly jitter conditions really relatively variation before nose assembly had certain improvement.
Referring to Fig. 2 and Fig. 3, the main load-bearing of electric machine support 100 is passed through to increase the mode of brace rod 140 with force part, the rigidity of electric machine support 100 is strengthened, emphasis strengthens the rigidity of the front and back jitter direction of electric machine support 100, based on the basis of model analysis, improve each rank bending vibration vibration shape of electric machine support 100, though electric fan complete machine generation covibration, it is possible to resonant amplitude is dropped within the scope of acceptable.Meanwhile, electric fan reduction of vibration peak under each shelves rotating speed is demonstrated from experimental data.
At present, fan in the running, substantially born by electric machine support by the external force of suffered front and back shake, but, the rigidity of this motor supporting structure is inadequate, it is easy to cause the shake of fan head, affects the air-out performance of fan, is not easy to user and uses. Electric machine support 100 of the present utility model arranges brace rod 140 between fixing plate 110 and connecting plate 120, connecting fixing plate 110 by brace rod 140 makes the rigidity of electric machine support 100 strengthen with connecting plate 120, with reduce electric fan work time electric machine support 100 suffered by shake, and then reduce the electric machine support 100 vibration amplitude on jitter direction, improve the reliability of electric machine support 100, reduce the vibration of nose assembly, it is ensured that the performance of electric fan, it is simple to user uses.
As a kind of embodiment, brace rod 140 is rib, and rib is obliquely installed relative to fixing plate 110; One end of rib is positioned on fixing plate 110, and the other end is positioned on connecting plate 120. Support fixing plate 110 and connecting plate 120 by rib, to increase the rigidity of electric machine support 100, reduce the electric machine support 100 vibration amplitude on jitter direction, improve the reliability of electric machine support 100, reduce the vibration of nose assembly, it is ensured that the performance of electric fan, it is simple to user uses. Rib is obliquely installed, and so ensure that fixing plate 110 is connected with connecting plate 120 reliably so that the rigidity of electric machine support 100 increases.
Further, rib is 15 �㡫75 �� relative to the angle that fixing plate 110 tilts. The angle of inclination of rib in the scope of 15 �㡫75 ��, rib connect that fixing plate 110 and connecting plate 120 make that the rigidity of electric machine support 100 increases relatively greatly, to ensure the electric machine support 100 rigidity on jitter direction. Yet further, the 1/5��3/4 of the rib length being projected as fixing plate 110 on fixing plate 110, to ensure the electric machine support 100 rigidity on jitter direction. Restriction by the angle of inclination of rib Yu length, the each order mode state bending vibration shape adjusted and improve electric machine support 100, to reduce the electric machine support 100 vibration amplitude on jitter direction, thus changing the resonance vibration shape of electric machine support 100, reduce resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduce the amplitude of nose assembly shake, nose assembly is operated steadily, it is ensured that the performance of electric fan.
Certainly, as a kind of embodiment, brace rod 140 can also be gusset, and one of them limit of gusset contacts with the surface of fixing plate 110, and another limit contacts with the surface of connecting plate 120. The contact area between itself and fixing plate 110 and connecting plate 120 is increased by gusset, improve the rigidity of electric machine support 100 further, ensure that electric machine support 100 is in the rigidity on jitter direction, to reduce the electric machine support 100 vibration amplitude on jitter direction, thus changing the resonance vibration shape of electric machine support 100, reduce resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduce the amplitude of nose assembly shake, nose assembly is operated steadily, it is ensured that the performance of electric fan.
Further, the cross sectional shape of gusset is triangle, square or polygon, to ensure the rigidity of gusset, and then ensures that link of boards fixes the rigidity of plate 110 and connecting plate 120, increases the rigidity of electric machine support 100.In the present embodiment, the cross sectional shape of gusset is triangle, and one of them limit contacts with the surface of fixing plate 110, and another side contacts with the surface of connecting plate 120, and the angle between the Article 3 limit of gusset and the surface of fixing plate 110 is 15 �㡫75 ��. It is preferred that triangle is right angled triangle, two right-angle sides contact with the surface on the surface of fixing plate 110, connecting plate 120 respectively. So ensure that the reliability of the fixing plate 110 of link of boards and connecting plate 120, improve the rigidity of electric machine support 100 further, ensure that electric machine support 100 is in the rigidity on jitter direction, to reduce the electric machine support 100 vibration amplitude on jitter direction, thus changing the resonance vibration shape of electric machine support 100, reduce resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduce the amplitude of nose assembly shake, nose assembly is operated steadily, it is ensured that the performance of electric fan.
As a kind of embodiment, fixing plate 110 being additionally provided with and is easy to the bending part 111 that fixing plate 110 installation is fixing, bending part 111 is obliquely installed relative to the surface of fixing plate 110; Bending part 111 towards with connecting plate 120 towards contrary. By bending part 111, electric machine support 100 is fixed so that nose assembly operationally, fix by the position of electric machine support 100, and play will not occur.
This utility model additionally provides a kind of nose assembly, including the electric machine support 100 in asynchronous machine 200, cover cap 300, guard 400, fan blade 400 and above-described embodiment; Fan blade 400 is installed in guard 400, and guard 400 is installed on cover cap 300; Cover cap 300 is fixed on electric machine support 100; Asynchronous machine 200 is installed on electric machine support 100. Electric machine support 100 increases brace rod 140, to increase the electric machine support 100 rigidity on nose assembly jitter direction, thus changing the resonance vibration shape of electric machine support 100, reduce the electric machine support 100 vibration amplitude on jitter direction, and then reduce the shake of nose assembly operationally electric machine support 100, it is finally reached the jitter conditions improving nose assembly so that nose assembly operates steadily.
This utility model additionally provides a kind of electric fan, and including the nose assembly of base and above-described embodiment, nose assembly is installed on base. Electric fan, except nose assembly, is existing structure, does not just repeat one by one at this. By increasing brace rod 140 on the electric machine support 100 of nose assembly, to increase the rigidity on the jitter direction of electric machine support 100, the each order mode state bending vibration shape adjusted and improve electric machine support 100, thus changing the resonance vibration shape of electric machine support 100, reduce resonance amplitude, to reduce the shake of nose assembly operationally electric machine support 100, significantly reduce the amplitude of nose assembly shake, nose assembly is operated steadily, it is ensured that the performance of electric fan, it is simple to user uses.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims. It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model. Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. an electric machine support, it is characterised in that including:
Fixing plate (110);
Connecting plate (120), is installed on described fixing plate (110);
The support axle (130) of hollow, is installed on described fixing plate (110), is used for supporting described fixing plate (110) and connecting plate (120); And
Brace rod (140), connects described fixing plate (110) and described connecting plate (120).
2. electric machine support according to claim 1, it is characterised in that described brace rod (140) is rib, described rib is obliquely installed relative to described fixing plate (110);
One end of described rib is positioned on described fixing plate (110), and the other end is positioned on described connecting plate (120).
3. electric machine support according to claim 2, it is characterised in that described rib is 15 �㡫75 �� relative to the angle that described fixing plate (110) tilts.
4. electric machine support according to claim 3, it is characterised in that the 1/5��3/4 of the described rib length being projected as described fixing plate (110) on described fixing plate (110).
5. electric machine support according to claim 1, it is characterized in that, described brace rod (140) is gusset, and one of them limit of described gusset contacts with the surface of described fixing plate (110), and another limit contacts with the surface of described connecting plate (120).
6. electric machine support according to claim 5, it is characterized in that, the cross sectional shape of described gusset is triangle, and one of them limit contacts with the surface of described fixing plate (110), and another side contacts with the surface of described connecting plate (120);
Angle between Article 3 limit and the surface of described fixing plate (110) of described gusset is 15 �㡫75 ��.
7. the electric machine support according to claim 4 or 6, it is characterised in that the quantity of described connecting plate (120) is two, two described connecting plates (120) are symmetricly set on described fixing plate (110);
And, the angle between described fixing plate (110) and described connecting plate (120) is 90 �� �� 5 ��.
8. the electric machine support according to claim 4 or 6, it is characterized in that, being additionally provided with on described fixing plate (110) and be easy to the bending part (111) that the installation of described fixing plate (110) is fixing, described bending part (111) is obliquely installed relative to the surface of described fixing plate (110);
Described bending part (111) towards with described connecting plate (120) towards contrary.
9. a nose assembly, it is characterized in that, including asynchronous machine (200), cover cap (300), guard (400), fan blade (500) and electric machine support (100) as described in any one of claim 1 to 8;
Described fan blade (500) is installed in described guard (400), and described guard (400) is installed on described cover cap (300); Described cover cap (300) is fixed on described electric machine support (100);
Described asynchronous machine (200) is installed on described electric machine support (100).
10. an electric fan, it is characterised in that including base and nose assembly as claimed in claim 9, described nose assembly is installed on described base.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015209409926 | 2015-11-23 | ||
| CN201520940992 | 2015-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297962U true CN205297962U (en) | 2016-06-08 |
Family
ID=56436189
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520976115.4U Expired - Fee Related CN205297962U (en) | 2015-11-23 | 2015-11-30 | Electric fan, head assembly and motor support thereof |
| CN201510869725.9A Pending CN106762721A (en) | 2015-11-23 | 2015-11-30 | Electric fan, nose assembly and its electric machine support |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869725.9A Pending CN106762721A (en) | 2015-11-23 | 2015-11-30 | Electric fan, nose assembly and its electric machine support |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN205297962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762721A (en) * | 2015-11-23 | 2017-05-31 | 珠海格力电器股份有限公司 | Electric fan, nose assembly and its electric machine support |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696450A (en) * | 1986-04-04 | 1987-09-29 | Huang Kuo C | Fan motor assembly support frame |
| CN201318299Y (en) * | 2008-12-24 | 2009-09-30 | 珠海格力电器股份有限公司 | Ultra-thin oscillating fan |
| CN201576973U (en) * | 2009-12-11 | 2010-09-08 | 中山大洋电机股份有限公司 | Motor bracket |
| CN104279176B (en) * | 2013-07-04 | 2016-09-14 | 珠海格力电器股份有限公司 | The motor supporting structure of electric fan and electric fan |
| CN203933208U (en) * | 2014-05-19 | 2014-11-05 | 宁波安信数控技术有限公司 | A kind of electric machine support |
| CN205297962U (en) * | 2015-11-23 | 2016-06-08 | 珠海格力电器股份有限公司 | Electric fan, head assembly and motor support thereof |
-
2015
- 2015-11-30 CN CN201520976115.4U patent/CN205297962U/en not_active Expired - Fee Related
- 2015-11-30 CN CN201510869725.9A patent/CN106762721A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762721A (en) * | 2015-11-23 | 2017-05-31 | 珠海格力电器股份有限公司 | Electric fan, nose assembly and its electric machine support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762721A (en) | 2017-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160608 Termination date: 20211130 |