CN103016812B - Flow deviation prevention structure for electric switching valve - Google Patents
Flow deviation prevention structure for electric switching valve Download PDFInfo
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- CN103016812B CN103016812B CN201310003071.2A CN201310003071A CN103016812B CN 103016812 B CN103016812 B CN 103016812B CN 201310003071 A CN201310003071 A CN 201310003071A CN 103016812 B CN103016812 B CN 103016812B
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- air outlet
- switching valve
- bottom opening
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Abstract
The invention discloses a flow deviation prevention structure for an electric switching valve. The flow deviation prevention structure comprises a base, a support seat, an air inlet and air outlets, wherein the base is provided with a top opening and a bottom opening; the support seat is mounted on the bottom opening in a sealing manner; the air inlet is formed on the base; the air outlets are formed on the support seat; and the air inlet is higher than the air outlets. The flow deviation prevention structure is characterized in that the top opening of the base is larger than the bottom opening, and the edge of the top opening is gradually closed up to the edge of the bottom opening. Compared with the prior art, the flow deviation prevention structure provided by the invention has the advantages that as the base of the electric switching valve is designed into the structure that the top opening is larger than the bottom opening, and the support seat and the air outlets are positioned at the bottom opening, when the electric switching valve is slightly inclined while only part of frozen cold air exists in the valve, the cold air can be better guaranteed to uniformly flows out from the air outlets of the support seat, and accordingly, flow deviation is prevented.
Description
Technical field
The present invention relates to a kind of dynamoelectric switching valve, specifically refer to a kind of anti-bias flow structure of dynamoelectric switching valve.
Background technique
Dynamoelectric switching valve is cold air flow adjusting element conventional in refrigerator, and cold air enters from the suction tude of dynamoelectric switching valve, after chassis interior, discharges from steam outlet pipe.The base of current most dynamoelectric switching valve is substantially in column construction, and namely the open top of base is substantially identical with bottom opening, and suction tude is arranged on the upper lateral part of base.Supporting base is arranged on the bottom opening of base, and steam outlet pipe to be arranged on supporting base and to be more than two or two.Although the position of suction port, higher than the position of air outlet, is beneficial to cold air and flows out from air outlet, base adopts this structural design, when only having part cold air in valve, easily produces gas port bias current amount phenomenon.Because, be difficult to when dynamoelectric switching valve being arranged on refrigerator accomplish complete level, often there is slight inclination to the left and right sides, now, if chassis interior only has the cold air of partial freeze, this part cold air is generally deposited on base bottom, because base becomes column, possibly cannot cover all air outlets after this part freezing cold air run-off the straight, thus cause the flow generation difference of each air outlet, and then have influence on the refrigeration of refrigerator.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned prior art present situation, provides a kind of anti-bias flow structure that can make the dynamoelectric switching valve that cold air can flow out from air outlet equably in valve.
The present invention solves the problems of the technologies described above adopted technological scheme: the anti-bias flow structure of this dynamoelectric switching valve, comprise base, supporting base, suction port and air outlet, described base has open top and bottom opening, described supporting base sealing is arranged on the bottom opening of base, described suction port is located on base, described air outlet is located on supporting base, the height and position of described suction port is higher than the height and position of described air outlet, it is characterized in that: the open top of described base is greater than its bottom opening, and open-topped edge draws in the edge of bottom opening gradually.
Base can adopt multiple open top to be greater than the structure of bottom opening, and preferably, the main body of described base is cone-shaped, has a horizontal ledge of installing for suction tude at the sidepiece evagination of base body.The understructure of cone-shaped is comparatively simple, and preferably its bottom opening is significantly less than open top, like this, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, more easily make cold air flow out from air outlet equably, anti-bias flow rate effects is better.In addition, suction tude is generally upwards exposed to this horizontal ledge, and the suction port of suction tude, higher than this horizontal ledge, makes the height difference between suction port and air outlet relatively large.
Air outlet can be more than one or one, and preferably, described suction port is one, and described air outlet is two, and the distribution triangular in shape of described suction port and described air outlet.Like this, after adopting Triangle-Profile, when only there is partial freeze cold air in valve when dynamoelectric switching valve generation slight inclination, even if two air outlets are in opening state simultaneously, this part cold air also can flow out from two air outlets comparatively equably, thus bias current amount phenomenon is less likely to occur.Certainly, when air outlet is one, natively there is not the problem of bias current amount.
In order to improve the effect of anti-bias flow further, two described air outlets are all positioned at the side of supporting base near described suction port.Like this, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, because the spacing between air outlet and suction port is less, thus can ensure that this part cold air can flow out from two air outlets equably further, the probability that bias current amount phenomenon occurs is less.
Further preferably, described suction port is one, and described air outlet is three, and above-mentioned three air outlet distributions triangular in shape, any two air outlets in above-mentioned three air outlets and the distribution all triangular in shape of described suction port.Similarly, after suction port and air outlet adopt this Triangle-Profile, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, when opening two or three air outlets, also not easily there is bias current amount phenomenon.
In order to improve the effect of anti-bias flow further, three described air outlets are all positioned at the side of supporting base near described suction port.Similarly, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, because the spacing between air outlet and suction port is less, thus can ensure that this part cold air can flow out from two air outlets or three air outlets equably further, the probability that bias current amount phenomenon occurs is less.
Compared with prior art, the invention has the advantages that: by becoming its bottom opening to be greater than the structure of bottom opening the base designs of dynamoelectric switching valve, and supporting base and air outlet are positioned at bottom opening place, like this, when there is slight inclination angle and only have partial freeze cold air in valve in dynamoelectric switching valve, also can ensure that cold air can flow out from the air outlet of supporting base equably preferably, prevent bias current amount phenomenon.
Accompanying drawing explanation
Fig. 1 is the worm's eye view of base in the embodiment of the present invention one;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the assembling schematic diagram of supporting base and base in the embodiment of the present invention one;
Fig. 4 is the side sectional view of Fig. 3;
Fig. 5 is the partial schematic diagram of the dynamoelectric switching valve after the embodiment of the present invention one is assembled.
Fig. 6 is the assembling schematic diagram of supporting base and base in the embodiment of the present invention two.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
Embodiment one:
As shown in Figures 1 to 5, the anti-bias flow structure of the dynamoelectric switching valve in the present embodiment comprises base 1, supporting base 2, suction port 3 and air outlet 4.Wherein, bottom 1 has open top 11 and bottom opening 12, and open top 11 is greater than bottom opening 12, and the edge of open top 11 draws in the edge of bottom opening 12 gradually.In the present embodiment, the main body of base 1 is cone-shaped, and its open top 11 is obviously greater than bottom opening 12, horizontal ledge 13 is had at the sidepiece evagination of base 1 main body, horizontal ledge 13 has the mounting hole 14 installed for suction tude 5, suction tude 5 is one, and sealing is arranged on mounting hole 14 and suction tude 5 is upwards exposed to this mounting hole 14.Supporting base 2 loads the bottom opening 12 of base 1 from bottom to top and is tightly connected with bottom opening 12.Steam outlet pipe 6 is two, is arranged on supporting base 2, and accordingly, the air outlet 4 on supporting base 2 is also two, and each air outlet 4 is connected with corresponding steam outlet pipe 6.
During dynamoelectric switching valve work, rotor 7 drives switch spacer 8 to rotate, when two air outlets 4 that switch spacer 8 turns on supporting base 2 are all covered by the lower buffed surface bottom switch spacer 8, two air outlets 4 are all closed, and the cold air in base 1 cannot flow out from air outlet 4; When under switch spacer 8 turns to it, buffed surface does not cover air outlet 4, the cold air in base 1 is not by being flowed out by the air outlet covered.In the present embodiment, because suction port 3 is higher than horizontal ledge 13, air outlet 4 is opened on the upper end face of supporting base 2, and the height of horizontal ledge 13 is apparently higher than the height of end face on supporting base 2, thus, the height of suction port 3 is higher than air outlet 4 height, and based on current from high toward the principle of lower stream, cold air can flow out from air outlet 4 smoothly after suction port 3 flows into.
The principle of the anti-bias flow structure of this dynamoelectric switching valve is as follows: to the left and right sides slight inclination can occur when dynamoelectric switching valve is arranged on refrigerator, base 1 is designed to cone structure and after its bottom opening 12 is significantly less than open top 11, even if when there is no enough freezing cold air in base 1 inside, because base bottom bore is less, in an inclined state, this part freezing cold air is deposited on two air outlets 4 that base bottom is often also enough to cover on supporting base 2, cold air can flow out from two air outlets 4 and in the steam outlet pipe 6 flowed into equably, thus prevent air outlet 4 bias current amount phenomenon.Bias current amount is produced in order to prevent two air outlets 4 further, the present embodiment is also optimized the position of air outlet 4 self and the relative position of air outlet 4 and suction port 3, as shown in Figure 3, two air outlets 4 are all arranged on the side of close supporting base 2 suction port 3, and minimum separable is adjusted to as far as possible with the distance of suction port 3 in two air outlets 4, meanwhile, suction port 3 and these two air outlet 4 distributions triangular in shape are made.After adopting above-mentioned this position distribution, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, when two air outlets 4 are all opened, be also not easy to produce bias current amount phenomenon.
Embodiment two:
As shown in Figure 6, the structure of the present embodiment is except the position distribution of air outlet number and air outlet and embodiment one have any different, and other structures are identical.In the present embodiment, the number of air outlet 4 is three, and the side be all arranged near supporting base 2 suction port 3, and minimum separable is adjusted to as far as possible with the distance of suction port 3 in each air outlet 4, simultaneously, these three air outlet 4 distributions triangular in shape, and any two air outlets in three air outlets 44 and suction port 3 distribution all triangular in shape.After adopting above-mentioned this position distribution, when only there is partial freeze cold air in valve in dynamoelectric switching valve generation slight inclination, when opening two air outlets or three air outlets are all opened, be also not easy to produce bias current amount phenomenon.
The foregoing is only the preferred embodiment of the present invention; should be understood that; for those of ordinary skills; do not departing under principle prerequisite of the present invention; can make multiple remodeling or improvement to the present invention, the number of such as air outlet is not limited to two or three that above-described embodiment provides, and also can be four even more than four; as long as the spacing of each air outlet and suction port is adjusted to comparatively Small Distance, these are all regarded as within protection scope of the present invention.
Claims (2)
1. the anti-bias flow structure of a dynamoelectric switching valve, comprise base (1), supporting base (2), suction port (3) and air outlet (4), described base (1) has open top (11) and bottom opening (12), described supporting base (2) sealing is arranged on the bottom opening (12) of base, described suction port (3) is located on base (1), described air outlet (4) is located on supporting base (2), the height and position of described suction port (3) is higher than the height and position of described air outlet (4), it is characterized in that: the open top (11) of described base (1) is greater than its bottom opening (12), and the edge of open top (11) draws in the edge of bottom opening (12) gradually, described suction port (3) is one, described air outlet (4) is two or three, two described air outlets or three air outlets are all positioned at the side of supporting base (2) near described suction port (3), and, when air outlet (4) are two, described suction port (3) and described air outlet (4) distribution triangular in shape, when air outlet (4) are three, the distribution triangular in shape of above-mentioned three air outlets (4), any two air outlets in above-mentioned three air outlets (4) and described suction port (3) distribution all triangular in shape.
2. the anti-bias flow structure of dynamoelectric switching valve according to claim 1, it is characterized in that: the main body of described base (1) is cone-shaped having a horizontal ledge (13) of installing for suction tude (5) at the sidepiece evagination of base (1) main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003071.2A CN103016812B (en) | 2013-01-04 | 2013-01-04 | Flow deviation prevention structure for electric switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003071.2A CN103016812B (en) | 2013-01-04 | 2013-01-04 | Flow deviation prevention structure for electric switching valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016812A CN103016812A (en) | 2013-04-03 |
| CN103016812B true CN103016812B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310003071.2A Active CN103016812B (en) | 2013-01-04 | 2013-01-04 | Flow deviation prevention structure for electric switching valve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279752A (en) * | 1997-09-17 | 2001-01-10 | 本罗工业发展有限公司 | Valve assembly and airconditioning system including same |
| CN101050821A (en) * | 2006-04-03 | 2007-10-10 | 三星电子株式会社 | Passage switching valve and refrigerator having the same |
| CN101762122A (en) * | 2008-11-11 | 2010-06-30 | 浙江三花股份有限公司 | Electric flow distributor |
| CN202091557U (en) * | 2011-05-19 | 2011-12-28 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator using same |
| CN203051889U (en) * | 2013-01-04 | 2013-07-10 | 宁波爱姆优东海精工电器有限公司 | Deflecting-flow-resistant structure of electric switching valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004270903A (en) * | 2003-03-12 | 2004-09-30 | Fuji Koki Corp | Electric change-over valve |
| WO2010025727A2 (en) * | 2008-09-05 | 2010-03-11 | Danfoss A/S | An expansion valve with force equalization |
| JP5389570B2 (en) * | 2009-08-25 | 2014-01-15 | 株式会社不二工機 | Multi-way selector valve |
-
2013
- 2013-01-04 CN CN201310003071.2A patent/CN103016812B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1279752A (en) * | 1997-09-17 | 2001-01-10 | 本罗工业发展有限公司 | Valve assembly and airconditioning system including same |
| CN101050821A (en) * | 2006-04-03 | 2007-10-10 | 三星电子株式会社 | Passage switching valve and refrigerator having the same |
| CN101762122A (en) * | 2008-11-11 | 2010-06-30 | 浙江三花股份有限公司 | Electric flow distributor |
| CN202091557U (en) * | 2011-05-19 | 2011-12-28 | 浙江三花制冷集团有限公司 | Electric switching valve and refrigerator using same |
| CN203051889U (en) * | 2013-01-04 | 2013-07-10 | 宁波爱姆优东海精工电器有限公司 | Deflecting-flow-resistant structure of electric switching valve |
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| Publication number | Publication date |
|---|---|
| CN103016812A (en) | 2013-04-03 |
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