CN2708205Y - Household refrigerating apparatus with fan vibration damping mechanism - Google Patents
Household refrigerating apparatus with fan vibration damping mechanism Download PDFInfo
- Publication number
- CN2708205Y CN2708205Y CN 200420047029 CN200420047029U CN2708205Y CN 2708205 Y CN2708205 Y CN 2708205Y CN 200420047029 CN200420047029 CN 200420047029 CN 200420047029 U CN200420047029 U CN 200420047029U CN 2708205 Y CN2708205 Y CN 2708205Y
- Authority
- CN
- China
- Prior art keywords
- fan
- family expenses
- refrigerating appliance
- blower tray
- vibration damping
- 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
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a household refrigerating apparatus with fan vibration damping mechanism, which comprises a box body of the household refrigerating apparatus, a fan built-in the box body for enforcing heat exchanging efficiency, and a fan supporter for positioning and fixing the fan, and a vibration damping block or a vibration damping layer is installed between the fan and the fan supporter. The refrigerator of the utility model has the advantages of vibration damping and noise reduction, and the utility model can be widely used for products such as an ice box, a refrigerator, etc.
Description
Technical field
The utility model relates to the noise reduction technology field, more particularly relates to a kind of family expenses refrigerating appliance with fan damper mechanism.
Background technology
In the market, mostly wind cooling refrigerator and relatively large refrigerator and semiconductor freezer all have mini-fan as forced heat-exchanging driver in the case or be used in the compressor bin radiator as compressor.Usually the power of these fan electromotors is not very big, and power is generally all less than 10W, and the diameter of fan blade is generally less than 160mm, and rotating speed generally is lower than 3000r/min.The installation of these fan electromotors generally is that fan electromotor is screwed on a support, be fixed on support in the compressor bin then or the inner bag of refrigerator on.Also have a kind of DC fan, its motor housing and support are incorporate, and this fan normally is connected support with the housing of refrigerator, and this fixing also is to adopt the screw ways of connecting.
Because fan electromotor adopts screw to be fixed on the support, is equivalent to support fan electromotor is retrained, when the rotating speed of fan electromotor was higher, this constraint can produce bigger noise, and made the efficient of fan electromotor be subjected to certain influence.
On the other hand, if support is fixedlyed connected with a sheet metal (for example situation in compressor bin), the constraint that fan electromotor is subjected to affacts again on the support conversely, passes on the sheet metal by support then, causes the vibration of sheet metal and produces noise.Sometimes this vibration also can excite the vibration of refrigerator body, makes casing give off bigger noise.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of family expenses refrigerating appliance with fan damper mechanism, the vibrating noise problem of the existing fan mounting means of solution.To overcome the deficiencies in the prior art.
For solving the problems of the technologies described above, construct a kind of family expenses refrigerating appliance with fan damper mechanism, comprise the family expenses refrigerating appliance casing, place and be used to strengthen the fan 3 of heat exchanger effectiveness and the location or the mounted fan support 7 of described fan in the casing: be provided with damping block or vibration damping layer 2 between described fan and the blower tray.
In the above-mentioned family expenses refrigerating appliance, housing four sides of described fan are surrounded with full parcel or part parcel mode by described blower tray 7.
In the above-mentioned family expenses refrigerating appliance, described blower tray is provided with baffle plate 6.
In the above-mentioned family expenses refrigerating appliance, described baffle plate 6 is bent sheet metals.
In the above-mentioned family expenses refrigerating appliance, described fan inner casing is established shrinkage pool, and described blower tray is established screw 5, and described screw 5 can stretch in the described shrinkage pool.
The utility model compared with prior art has the following advantages and beneficial effect:
Because non-rigid connection the between fan electromotor and the support, therefore fan electromotor and support have formed two essentially independent mechanical systems, dynamic response between them can separate completely, even the dynamic balancing of fan leaf is bad, also can the buffer motor system to the reaction force of support, make extraordinary noise reduce greatly.
Adopt this mounting means can eliminate the rigid constraint of support to fan electromotor, make that the running of motor is more steady, on the family expenses refrigerating plant, use the damper mechanism of fan, can make the noise of refrigerator condenser fan reduce by 3～6dB (A) generally speaking, make the noise of semiconductor freezer reduce by 1～3dB (A).
Description of drawings
Fig. 1 is the partial structurtes schematic diagram of the two-door envelope refrigerator of the utility model;
Fig. 2 is the partial structurtes enlarged diagram of the two-door envelope refrigerator of the utility model.
The specific embodiment
Referring to Fig. 1, the middle part of conventional fan 3 is motor shafts 1 of fan electromotor, fan is placed on the blower tray 7, between fan and blower tray, clip one deck vibration damping layer, in the present embodiment, can adopt the TR thin rubber plate, its Thickness Design is 2～4mm, width is identical with the width of blower tray, and Shore hardness is 50 degree.The part sidepiece of the bottom side of fan and both sides is wrapped up by blower tray.The bottom of blower tray is fixed on mounting screw on the metal base plate of compressor bin of family expenses refrigerating appliances such as refrigerator or refrigerator.The front and back side of blower tray 7 is respectively welded symmetrical baffle plate 6, moves forward and backward excessive under non-normal condition and fault that cause fan and blower tray to break away to prevent fan.Establish shrinkage pool in fan 3 shell both sides, install screw 5, fan after placing on the blower tray, is loaded onto screw 5 it is stretched in the shrinkage pool in the blower tray corresponding positions.The effect of screw 5 is to give fan one flexible constraint, prevents that waiting under the condition jolt fan to beat in transportation causes disengaging.
Referring to Fig. 2, shown in the figure is the damper mechanism that a former fan drum just has the DC fan of installing hole.This damper mechanism can be welded to or be screwed on the back cover of semiconductor freezer, if the plastics back cover, then this mount pad can create with back cover.Four sides parcel vibration damping layer 2 with fan 3, be fan to be twined all around in this practical example with the thick soft sponge strip of 5～8mm, put into blower tray 7, there is baffle plate 6 front and back of blower tray 7, prevent that blower tray from moving forward and backward, baffle plate 6 is bent sheet metals, before fan was installed, baffle plate was parallel with the direction of fan insertion, wait fan to be contained on the blower tray after, manually baffle plate bending 90 degree, to prevent the unexpected play of fan.Can reduce noise 1～3dB (A) in this way.
The mounting means of above-mentioned two kinds of fans and blower tray also can be applicable to the occasion that needs the fan heat exchange in the utensils such as refrigerator.
Claims (5)
1. family expenses refrigerating appliance with fan damper mechanism, comprise the family expenses refrigerating appliance casing, place the fan (3) that is used to strengthen heat exchanger effectiveness in the casing and the location or the mounted fan support (7) of described fan, it is characterized in that: be provided with damping block or vibration damping layer (2) between described fan and the blower tray.
2. family expenses refrigerating appliance according to claim 1 is characterized in that: housing four sides of described fan are surrounded with full parcel or part parcel mode by described blower tray (7).
3. family expenses refrigerating appliance according to claim 1 and 2 is characterized in that: described blower tray is provided with baffle plate (6).
4. family expenses refrigerating appliance according to claim 3 is characterized in that: described baffle plate (6) is bent sheet metal.
5. family expenses refrigerating appliance according to claim 3 is characterized in that: described fan inner casing is established shrinkage pool, and described blower tray is established screw (5), and described screw (5) can stretch in the described shrinkage pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047029 CN2708205Y (en) | 2004-06-14 | 2004-06-14 | Household refrigerating apparatus with fan vibration damping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047029 CN2708205Y (en) | 2004-06-14 | 2004-06-14 | Household refrigerating apparatus with fan vibration damping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2708205Y true CN2708205Y (en) | 2005-07-06 |
Family
ID=34851264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420047029 Expired - Fee Related CN2708205Y (en) | 2004-06-14 | 2004-06-14 | Household refrigerating apparatus with fan vibration damping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2708205Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252489A (en) * | 2011-05-13 | 2011-11-23 | 海尔集团公司 | Refrigerator fan bracket and refrigerator |
-
2004
- 2004-06-14 CN CN 200420047029 patent/CN2708205Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252489A (en) * | 2011-05-13 | 2011-11-23 | 海尔集团公司 | Refrigerator fan bracket and refrigerator |
| CN102252489B (en) * | 2011-05-13 | 2014-09-03 | 海尔集团公司 | Refrigerator fan bracket and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050706 |