CN202835959U - Bidirectional drying filter - Google Patents
Bidirectional drying filter Download PDFInfo
- Publication number
- CN202835959U CN202835959U CN201220524175.9U CN201220524175U CN202835959U CN 202835959 U CN202835959 U CN 202835959U CN 201220524175 U CN201220524175 U CN 201220524175U CN 202835959 U CN202835959 U CN 202835959U
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- Prior art keywords
- drying
- cylindrical shell
- end cap
- filtering
- flange
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Abstract
The utility model discloses a bidirectional drying filter. Circulated refrigerating fluid in a refrigerating system is enabled to be filtered and dried through impurity-filtering and moisture-removing. The bidirectional drying filter comprises a tank body used for containing the refrigerating fluid and filtering nets arranged at two ends of the tank body, and further comprises at least one filtering net body. The filtering net body is arranged in the tank body, and between the refrigerating fluid and the filtering nets. The bidirectional drying filter is designed in a bilateral symmetrical mode, and capable of carrying out filtering in dual directions. Due to the fact that the filtering net body is added, the bidirectional drying filter has the function of filtering impurities compared with a drying filter in the prior art.
Description
Technical field
The utility model relates to refrigerating field, particularly a kind of two-way device for drying and filtering.
Background technology
After domestic air conditioning uses for a long time, there is the stifled and dirty stifled problem of system's ice, the phenomenon that causes the complete machine poor refrigerating efficiency maybe can't start shooting and turn round.At present in the after-sales service process, carry out dry filter for the stifled device for drying and filtering docking system that can adopt of domestic air conditioning ice, used filter often arranges respectively screen pack at import and export, between two filter screens, fold up drier, import department adopts flange seal, the employing bolt is fixed, because the exit structure of device for drying and filtering is bowl-shape, screen pack mostly is the straight-plate-type structure, be to increase filter area, it is bowl-shape often the screen pack in the exit of device for drying and filtering also can be done camber, for the filter screen of bowl structure, refrigerant can not enter filter from the arc outboard end, otherwise causes easily screen pack to break; And for the straight-plate-type screen pack, because screen pack is insecure with cooperating of filter cylinder, so can only advance refrigerant by flange, therefore adopt existing filter often can only unidirectionally to filter, in actual application, there is anti-loaded possibility.
Existing device for drying and filtering is in the process of access refrigeration system work, and it is saturated whether internal desiccant has filtered, needs the user to take end cap apart and check, just can observe, and therefore uses extremely inconvenient.
In addition, for the dirty stifled situation of domestic air-conditioning system, the mode of discharging refrigerant is generally adopted at present after-sales service, takes out condenser and then adopts the method for high pressure nitrogen blast-cold condenser to get rid of dirty blocking up, and keeps in repair very inconvenient.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of simple in structure, easy accessibility, can can filter the two-way device for drying and filtering of impurity in the air-conditioning system the dry air-conditioning system moisture while, the utility model realizes that the technical scheme that above-mentioned purpose adopts is:
A kind of two-way device for drying and filtering, be used for by impurity screening and remove moisture making cold-producing medium filtration, the drying that circulates in refrigeration system, described device for drying and filtering comprises for the cylindrical shell of placing drier and the screen pack that is arranged at described cylindrical shell two ends, comprise that also at least one filters dictyosome, described filtration dictyosome is arranged in the described cylindrical shell and between described drier and screen pack.
More preferably, described filtration dictyosome is the cylindric filtration dictyosome with continuous folding;
The aperture of described filtration dictyosome is less than the aperture of described screen pack.
More preferably, described two-way device for drying and filtering also comprises the flange end cap that seals described cylindrical shell, and is arranged on flange end and covers hoop component for fixing described flange end cap and described cylindrical shell;
Described flange end covers the through hole that is provided with bell mouth shape, and described through hole is as the circulation passage of cold-producing medium;
Each described hoop component comprises clip and is used for the securing member of fixing described clip.
More preferably, all sides at described cylindrical shell two ends are respectively arranged with flange, the end of described cylindrical shell is exposed to described flange outer sides, the end exposed part of described cylindrical shell embeds in the inner concave of described flange end cap, the inner concave of the end of described cylindrical shell and described flange end cap is sealed and matched, and described hoop component is fixed described flange end cap and described cylindrical shell.
More preferably, protruding end face is set on the outer face of described flange end cap, the external diameter of described protruding end face is less than the external diameter of described flange end cap, and described protruding end face is provided with breach, and described breach positions when being used for described clip installation.
More preferably, the first mating surface of described clip cooperates with the first end contact of described flange, and the second mating surface of described clip cooperates with the second end contact of described flange end cap;
The first end face of described flange is the identical conical surface of tapering with the second end face of described flange end cap; The first mating surface of described clip, the second mating surface are the identical conical surface of tapering with the first end face of described flange.
More preferably, each described flange end covers and is provided with two described hoop components, and the described clip in the described hoop component is semicircle, and the described clip in two described hoop components joins end to end described flange end cap is fixed on the described cylindrical shell.
More preferably, described two-way device for drying and filtering also comprises elastic device;
Be fixed by elastic device between described flange end cap and the described screen pack.
More preferably, described two-way device for drying and filtering also comprises drier, and described drier is molecular sieve or silica gel.
More preferably, also be provided with transparent mirror be used to the agent that sees drying on the described cylindrical shell.
The beneficial effects of the utility model are: device for drying and filtering adopts the left-right symmetry design, can be bi-directional filtered; Increased the filtration dictyosome, device for drying and filtering has relatively in the past increased the function of impurity screening; Design transparent mirror in the filter cylinder, can observe the change color of cylindrical shell internal desiccant, be convenient in time change drier; Filter adopts the both sides flange to fix, and seals the fixing form of flange while change tradition, has eliminated the direction type of importing and exporting; The fixing form of filter flange fixedly changes clip into by traditional bolt and fixes, and the clip contact-making surface adopts conical surface design, guarantees sealing, simultaneously easy accessibility.
Description of drawings
The front view of Fig. 1 device for drying and filtering one embodiment of the present utility model;
Fig. 2 is the left view of device for drying and filtering shown in Figure 1;
Fig. 3 is the A section partial enlarged drawing of device for drying and filtering shown in Figure 1;
Fig. 4 is the O-ring seal front view of device for drying and filtering shown in Figure 1;
Fig. 5 is the top view of O-ring seal shown in Figure 4;
Fig. 6 is the cutaway view of device for drying and filtering shown in Figure 1;
Fig. 7 is that the master of the cylindrical shell of device for drying and filtering shown in Figure 1 looks schematic diagram;
Fig. 8 is the schematic top plan view of cylindrical shell shown in Figure 7;
Fig. 9 is that the master of the filtration dictyosome of device for drying and filtering shown in Figure 1 looks schematic diagram;
Figure 10 is the schematic top plan view of filtration dictyosome shown in Figure 9;
Figure 11 is that the master of the flange end cap of device for drying and filtering shown in Figure 1 looks schematic diagram;
Figure 12 is the schematic top plan view of flange end cap shown in Figure 11;
Figure 13 is that hoop component and the flange end cap of device for drying and filtering shown in Figure 1 cooperates schematic top plan view;
Figure 14 is that hoop component and the flange end cap of device for drying and filtering shown in Figure 13 cooperates the main schematic diagram of looking;
Figure 15 is that two hoop components and flange end cap of device for drying and filtering shown in Figure 1 cooperates schematic top plan view;
Figure 16 is the hoop component assembling process schematic diagram of device for drying and filtering shown in Figure 15;
Figure 17 is device for drying and filtering decomposing schematic representation shown in Figure 1;
Figure 18 is the schematic diagram that device for drying and filtering shown in Figure 1 is applied in air-conditioning refrigeration system one embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples two-way device for drying and filtering of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Figure 17, two-way device for drying and filtering one embodiment of the present utility model is used for by impurity screening and removes moisture making cold-producing medium filtration, the drying that circulates in refrigeration system, described device for drying and filtering comprises cylindrical shell 5, be positioned at the drier 8 of described cylindrical shell 5 inside and be arranged at the screen pack 10 at described cylindrical shell 5 two ends, and described drier 8 is molecular sieve or silica gel.In described cylindrical shell 5 and between described drier 8 and screen pack 10, also be provided with at least one and filter dictyosome 4, preferably, every end of cylindrical shell 5 arranges one and filters dictyosome 4, described filtration dictyosome 4 is for having the cylindric filtration dictyosome of continuous folding, and the aperture of described filtration dictyosome 4 is less than the aperture of described screen pack 10; Filter in the dictyosome filtration, the dry matters such as filter core and drier can be set.
Preferably, as a kind of embodiment, the two ends of described cylindrical shell 5 are respectively arranged with flange 51 and are used for sealing the flange end cap 2 of described cylindrical shell 5, and the hoop component 6 that is used for fixing described flange end cap 2 and described cylindrical shell 5, the end of described cylindrical shell 5 is exposed to described flange 51 outsides, the end exposed part of described cylindrical shell 5 embeds the inner concave interior (being in the depression plane of inboard, flange end cap 2 end) of described flange end cap 3, be provided with O-ring seal 3 between the inner concave of the end of described cylindrical shell 5 and described flange end cap 2, both are sealed and matched, and described hoop component 6 is fixing with described flange end cap 2 and described cylindrical shell 5; Flange end cap 2 is provided with pipe joint 1 and is used for connecting line; Each described hoop component 6 comprises clip 61 and is used for the securing member 62 of fixing described clip 61, clip 61 is arc, securing member 62 is screw bolt and nut, described hoop component 6 is fixed together the flange 51 of described flange end cap 2 with described cylindrical shell 5, and hoop component 6 can be fixed on the flange end cap 2 with pin.
Preferably, protruding end face 23 is set on the outer face of described flange end cap 2, the external diameter of described protruding end face 23 is less than the external diameter of described flange end cap 2, and described protruding end face 23 is provided with breach 21, and described breach 21 positions when being used for described clip 61 installation.
Further, the first mating surface of described clip 61 cooperates with the first end contact of described flange 51, and the second mating surface of described clip 61 cooperates with the second end contact of described flange end cap 2;
The first end face of described flange 51 is the identical conical surface of tapering with the second end face of described flange end cap 2; The first mating surface of described clip 61, the second mating surface also are the identical conical surface of tapering with the first end face of described flange 51.
Preferably, described flange end cap 2 is provided with the through hole 22 of bell mouth shape, described through hole 22 is as the circulation passage of cold-producing medium, through hole 22 is connected with the tube connector of nipple 1, be fixed by elastic device between described flange end cap 2 and the described screen pack 10, described elastic device is spring 8 or shell fragment, and it is trapezoidal groove that the inner face of flange end cap 2 is provided with a cross section, one end of spring 9 embeds in the described groove, thereby spring 9 can not be ejected described groove.
Preferably, each described flange end cap 2 is provided with two described hoop components 6, described hoop component 6 comprises two described clips 61 and two described securing members 62, described clip 61 is semicircle, two described clips 61 join end to end, thereby flange end cap 2 and the flange 51 of cylindrical shell 5 are fixed together.
Preferably, as a kind of embodiment, also be provided with on the described cylindrical shell be used to the transparent mirror 7 of observing described drier 8.
Two-way device for drying and filtering above-described embodiment of the present utility model should be in air-conditioning refrigeration system one embodiment, as shown in figure 18, air-conditioning system comprises indoor set 1 ' and off-premises station 4 ', indoor set 1 ' is connected to form refrigeration cycle with off-premises station 4 ' by high-voltage tube 2 ' and low-voltage tube 7 ', device for drying and filtering 6 ' is connected in series in the low-voltage tube 7 ', high-voltage tube 2 ' upper series connection the first valve 3 ', series connection the second valve 5 ' in the low-voltage tube 7 ', during indoor set 1 ' refrigeration, refrigerant enters indoor set 1 ' by high-voltage tube 2 ', by getting back to off-premises station 4 ' behind low-voltage tube 7 ' outflow indoor set 1 ' the drying filter 6 ' dry filter, when indoor set 1 ' heated, refrigerant was opposite when flowing to its refrigeration.
The device for drying and filtering of present embodiment adopts the left-right symmetry design, can be bi-directional filtered; Increased the filtration dictyosome, device for drying and filtering has relatively in the past increased the function of impurity screening; Design transparent mirror in the filter cylinder, can observe the change color of cylindrical shell internal desiccant, be convenient in time change drier; Filter adopts the both sides flange to fix, and seals the fixing form of flange while change tradition, has eliminated the direction type of importing and exporting; The fixing form of filter flange fixedly changes clip into by traditional bolt and fixes, and the clip contact-making surface adopts conical surface design, guarantees sealing, simultaneously easy accessibility.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. two-way device for drying and filtering, be used for by impurity screening and remove moisture making cold-producing medium filtration, the drying that circulates in refrigeration system, described device for drying and filtering comprises for the cylindrical shell of placing drier and the screen pack that is arranged at described cylindrical shell two ends, it is characterized in that:
Comprise that also at least one filters dictyosome, described filtration dictyosome is arranged in the described cylindrical shell and between described drier and screen pack.
2. two-way device for drying and filtering according to claim 1 is characterized in that:
Described filtration dictyosome is the cylindric filtration dictyosome with continuous folding;
The aperture of described filtration dictyosome is less than the aperture of described screen pack.
3. two-way device for drying and filtering according to claim 1 is characterized in that:
Also comprise the flange end cap that seals described cylindrical shell, and be arranged on flange end and cover hoop component for fixing described flange end cap and described cylindrical shell;
Described flange end covers the through hole that is provided with bell mouth shape, and described through hole is as the circulation passage of cold-producing medium;
Each described hoop component comprises clip and is used for the securing member of fixing described clip.
4. two-way device for drying and filtering according to claim 3 is characterized in that:
All sides at described cylindrical shell two ends are respectively arranged with flange, the end of described cylindrical shell is exposed to described flange outer sides, the end exposed part of described cylindrical shell embeds in the inner concave of described flange end cap, the inner concave of the end of described cylindrical shell and described flange end cap is sealed and matched, and described hoop component is fixed described flange end cap and described cylindrical shell.
5. two-way device for drying and filtering according to claim 4 is characterized in that:
Protruding end face is set on the outer face of described flange end cap, and the external diameter of described protruding end face is less than the external diameter of described flange end cap, and described protruding end face is provided with breach, and described breach positions when being used for described clip installation.
6. two-way device for drying and filtering according to claim 4 is characterized in that:
The first mating surface of described clip cooperates with the first end contact of described flange, and the second mating surface of described clip cooperates with the second end contact of described flange end cap;
The first end face of described flange is the identical conical surface of tapering with the second end face of described flange end cap; The first mating surface of described clip, the second mating surface are the identical conical surface of tapering with the first end face of described flange.
7. two-way device for drying and filtering according to claim 3 is characterized in that:
Each described flange end covers and is provided with two described hoop components, and the described clip in the described hoop component is semicircle, and the described clip in two described hoop components joins end to end described flange end cap is fixed on the described cylindrical shell.
8. two-way device for drying and filtering according to claim 3 is characterized in that:
Also comprise elastic device;
Be fixed by elastic device between described flange end cap and the described screen pack.
9. two-way device for drying and filtering according to claim 1 is characterized in that:
Also comprise drier, described drier is molecular sieve or silica gel.
10. two-way device for drying and filtering according to claim 1 is characterized in that:
Also be provided with the transparent mirror be used to the agent that sees drying on the described cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220524175.9U CN202835959U (en) | 2012-10-12 | 2012-10-12 | Bidirectional drying filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220524175.9U CN202835959U (en) | 2012-10-12 | 2012-10-12 | Bidirectional drying filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835959U true CN202835959U (en) | 2013-03-27 |
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ID=47947649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220524175.9U Expired - Fee Related CN202835959U (en) | 2012-10-12 | 2012-10-12 | Bidirectional drying filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557647A (en) * | 2013-10-31 | 2014-02-05 | 青岛大学 | Novel bidirectional liquid storing and drying filter for automobile heat pump air-conditioning system |
| CN103727712A (en) * | 2012-10-12 | 2014-04-16 | 珠海格力电器股份有限公司 | Two-way dry filter |
| CN104422212A (en) * | 2013-09-04 | 2015-03-18 | 珠海格力电器股份有限公司 | Refrigerant treatment method and drying device adopting same |
-
2012
- 2012-10-12 CN CN201220524175.9U patent/CN202835959U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727712A (en) * | 2012-10-12 | 2014-04-16 | 珠海格力电器股份有限公司 | Two-way dry filter |
| CN103727712B (en) * | 2012-10-12 | 2016-04-13 | 珠海格力电器股份有限公司 | Two-way device for drying and filtering |
| CN104422212A (en) * | 2013-09-04 | 2015-03-18 | 珠海格力电器股份有限公司 | Refrigerant treatment method and drying device adopting same |
| CN104422212B (en) * | 2013-09-04 | 2016-08-24 | 珠海格力电器股份有限公司 | The processing method of cold-producing medium and use the drying device of this processing method |
| CN103557647A (en) * | 2013-10-31 | 2014-02-05 | 青岛大学 | Novel bidirectional liquid storing and drying filter for automobile heat pump air-conditioning system |
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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 |
Granted publication date: 20130327 Termination date: 20211012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |