CN110131930A - A kind of unidirectional device for drying and filtering - Google Patents
A kind of unidirectional device for drying and filtering Download PDFInfo
- Publication number
- CN110131930A CN110131930A CN201810136471.3A CN201810136471A CN110131930A CN 110131930 A CN110131930 A CN 110131930A CN 201810136471 A CN201810136471 A CN 201810136471A CN 110131930 A CN110131930 A CN 110131930A
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- China
- Prior art keywords
- filter core
- end cap
- drying
- inlet end
- filtering
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/003—Filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
- Filtering Materials (AREA)
Abstract
The present invention discloses a kind of unidirectional device for drying and filtering, including inlet end cap and filter core, by face contact between the inlet end cap and the filter core, to position the filter core close to one end of the inlet end cap.Unidirectional device for drying and filtering provided by the present invention, entrance eliminates the components such as import buffer substrate tablet, import backstop, so that assembling process can significantly simplify；There is no import buffer substrate tablets in long-term use process to be crushed, leads to the problem of filter core positioning failure, blocking filtration channel, is conducive to extend the service life of unidirectional device for drying and filtering, resistance to shock, the strainability of filter core can be improved；Inlet end cap and filter core are positioned using face contact, and the circulating resistance at the middle part of filter core and circumferential each position is roughly the same, so that the utilization efficiency of filter core is greatly improved, circulation is significantly increased；There is no the larger cavitys in background technique can save manufacture material, substantially under conditions of identical filter core to reduce manufacturing cost between inlet end cap and filter core.
Description
Technical field
The present invention relates to filter technology field more particularly to a kind of unidirectional devices for drying and filtering.
Background technique
Unidirectional device for drying and filtering is usually mounted between the condenser of air-conditioning system and expansion valve, it is internal using it is dry,
Filtration combination design, can effectively prevent filtrate, soluble matter to enter the critical component of air-conditioning system, so that air-conditioning system can
To be run under optimal working condition.
Referring to FIG. 1, Fig. 1 is a kind of structural schematic diagram of specific embodiment for commonly using unidirectional device for drying and filtering.
As shown in Figure 1, common unidirectional device for drying and filtering include combined by inlet tube 01 with inlet end cap 02 formed into
Mouthful end, tubular body 05 and the outlet end formed is combined with outlet end cap 09 by outlet 010, the body 05
Inlet end cap 02,09 certain depth of outlet end cap are inserted into both ends respectively, and are fixedly welded on inlet end cap 02, outlet end cap 09；
It is equipped with filter core 06 inside body 05, is successively arranged import backstop 03, import along disengaging direction between inlet end cap 02 and filter core 06
Buffer substrate tablet 04 is successively arranged outlet buffer substrate tablet 07, outlet backstop 08 along disengaging direction between filter core 06 and outlet end cap 09.
During installation, first by the way that outlet end and body 05 is welded and fixed；Then, outlet is successively placed in body 05
Backstop 08, outlet buffer substrate tablet 07 and filter core 06, outlet backstop 08 can limit filter core 06 close to one end of outlet end cap 09,
Flexible material can be used in outlet buffer substrate tablet 07, to position in the circumferential to filter core 06；Then, in filter core 06 close to input end
Import buffer substrate tablet 04, import backstop 03 are sequentially placed on one end (hereinafter referred to as input end) of lid 02, in import backstop 03
Portion has the protrusion towards outlet 010, and filter core 06 is equipped with groove, which can match with groove, to position filter core 06
Axial position；Finally, press fitting inlet end, above-mentioned import buffer substrate tablet 04 can also be prepared using flexible material, in press fitting process
In, import buffer substrate tablet 04 can carry out buffer protection to filter core 06 can be by being welded and fixed inlet end and body after the completion of press fitting
05。
The unidirectional device for drying and filtering of this structure in use, haves the defects that following several respects:
1) due to the setting of import backstop 03, import buffer substrate tablet 04, lead to the middle part circulating resistance of the input end of filter core 06
It is larger, as shown in Figure 1, being easy to happen and turning back when coolant media flows to the middle part of import backstop 03, and it is intended to along import backstop
The lesser direction of the resistances such as 03 periphery passes through, this results in the utilization rate of filter core 06 lower；
2) there are biggish cavitys between import backstop 03 and inlet end cap 02, in the cavity, due to import backstop 03
Blocking of the middle part to coolant media, turns back, and the flow direction of coolant media is more chaotic in cavity, can generate turbulent region, so that
The whole circulating resistance of the unidirectional device for drying and filtering is larger, and circulation is smaller, and filter efficiency is lower；
3) the import buffer substrate tablet when used for a long time, due to the vibration of air-conditioning system, between import backstop 03 and filter core 06
04 is easily crushed, and causes the positioning between import backstop 03 and filter core 06 to be failed, influences the use of the unidirectional device for drying and filtering
Service life；
4) the import buffer substrate tablet 04 is flexible material, displacement is easy to happen during press fitting, or even fall off, assembling process
It is complicated.
Therefore, how to provide that a kind of filter core utilization rate is high, circulation is big, assembly is simple and unidirectional drying with long service life
Filter is still those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of unidirectional device for drying and filtering, the filter core utilization rate of the unidirectional device for drying and filtering compared with
Height, circulation is larger, lasts a long time, and since amount of parts is less, assembling process can also be significantly simplified.
In order to solve the above technical problems, the present invention provides a kind of unidirectional device for drying and filtering, including inlet end cap and filter core, institute
It states by face contact between inlet end cap and the filter core, to position the filter core close to one end of the inlet end cap.
Unidirectional device for drying and filtering provided by the present invention, entrance eliminate the components such as import buffer substrate tablet, import backstop, phase
Than in background technique, it is with the following aspects the utility model has the advantages that
1) quantity of components is reduced, and is save in particular by the import buffer substrate tablet of flexible material, so that unidirectional dry
The assembling process of filter can significantly simplify；
2) due to eliminating import buffer substrate tablet, there is no import buffer substrate tablets in long-term use process to be crushed, leads to filter core
The problem of positioning failure, is conducive to extend the service life of unidirectional device for drying and filtering, and resistance to shock also can get and greatly improve, together
When, the import buffer substrate tablet being crushed can also be avoided to blocking caused by the filtration channel in filter core, that is to say, that, additionally it is possible to
Guarantee the strainability of filter core in long-term use process；
3) inlet end cap and filter core are positioned using face contact, the circulating resistance substantially phase at the middle part of filter core and circumferential each position
Together, so that the utilization efficiency of filter core is greatly improved, circulation can also be significantly increased；
4) there is no the larger cavity in background technique, unidirectional device for drying and filtering inner spaces between inlet end cap and filter core
Utilization efficiency it is higher, under conditions of identical filter core, can substantially save the manufacture material of unidirectional device for drying and filtering, with reduce
Manufacturing cost.
The inlet end cap has gradually be disposed obliquely outwards along disengaging direction first to determine towards one end of the filter core
Plane, the filter core have the second positioning surface to match towards one end of the inlet end cap, and first positioning surface can
It is in contact with second positioning surface, to position the filter core.
First positioning surface, second positioning surface are the conical surface to match.
The inlet end cap has a lug boss towards the filter core, and the filter core is equipped with groove, the lug boss it is outer
Wall surface can be in contact with the inner wall of the groove, to position the filter core.
The outside wall surface of the lug boss, the groove inner wall be smooth surface.
It further include outlet end cap, the adjacent both ends of the outlet end cap, the inlet end cap can mutually overlap, and pass through weldering
Connect sealing, fixation；The inlet end cap and the outlet end cap can be enclosed the cavity for installing the filter core.
It further include outlet buffer substrate tablet, outlet backstop, the outlet buffer substrate tablet, the outlet backstop are successively set along disengaging direction
Between the filter core and the outlet end cap.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment for commonly using unidirectional device for drying and filtering；
Fig. 2 is a kind of structural schematic diagram of specific embodiment of unidirectional device for drying and filtering provided by the present invention；
Fig. 3 is the partial enlarged view of part A in Fig. 2.
The reference numerals are as follows in Fig. 1:
01 inlet tube, 02 inlet end cap, 03 import backstop, 04 import buffer substrate tablet, 05 body, 06 filter core, 07 outlet buffering
Piece, 08 outlet backstop, 09 outlet end cap, 010 outlet.
The reference numerals are as follows in Fig. 2-3:
1 inlet end cap, 11 first positioning surfaces, 2 filter cores, 21 second positioning surfaces, 3 outlet end caps, 4 outlet buffer substrate tablets, 5 outlets
Backstop, 6 inlet tubes, 7 outlets.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
The words such as " first " described herein, " second ", be merely for convenience of description scheme same or like two with
On structure or component, be not offered as certain particular determination to sequence.
Fig. 2-3 is please referred to, Fig. 2 is that a kind of structure of specific embodiment of unidirectional device for drying and filtering provided by the present invention is shown
It is intended to, Fig. 3 is the partial enlarged view of part A in Fig. 2.
As shown in Figure 2 and Figure 3, the present invention provides a kind of unidirectional device for drying and filtering, including inlet end cap 1, filter core 2 and import
Pipe 6, inlet tube 6 and inlet end cap 1 may be combined to form inlet end, by face contact between inlet end cap 1 and filter core 2, with fixed
Position filter core 2 is close to one end of inlet end cap 1.
For ease of description, filter core 2 may be simply referred to as input end close to one end of inlet end cap 1, filter core 2 is far from inlet end cap 1
One end may be simply referred to as outlet end, be reflected in attached drawing 2, the input end of filter core 2 refers to that the left end of filter core 2, the outlet end of filter core 2 are
Refer to the right end of filter core 2；Herein, disengaging direction refers to flow direction of the coolant media in unidirectional device for drying and filtering, is reflected in attached
Fig. 2 refers to direction from left to right.
It is to be appreciated that the above-mentioned positioning for 2 input end of filter core, is both the upward positioning of spindle, also refers in circumferential direction
Positioning, that is to say, that by the face contact between inlet end cap 1 and filter core 2, the input end of filter core 2 may make steadily to set
Inside unidirectional device for drying and filtering.
Unidirectional device for drying and filtering provided by the present invention eliminates the components such as import backstop, import buffer substrate tablet, so that components
Quantity be greatly decreased, save in particular by the import buffer substrate tablet of flexible material, in assembling process there is no part displacement,
The problem of falling off, so that the assembling process of the unidirectional device for drying and filtering can significantly simplify.
Simultaneously as eliminating import buffer substrate tablet, also just there is no import buffer substrate tablets in long-term use process to be crushed, lead
The problem of causing the positioning failure of filter core 2, in other words, unidirectional device for drying and filtering provided by the present invention, filter core 2 positions reliably,
It is conducive to extend service life；And due to the reliable location of filter core 2, the resistance to shock of filter core 2 also can get and greatly improve.
It is to be understood that the filter core 2 used in unidirectional device for drying and filtering is led to by several short grained molecular sieves of spherical shape
It crosses glue and is bonded in one, be covered with filtration channel between each molecular sieve, to realize the circulation of coolant media, in background technique
In, the import buffer substrate tablet of flexible material is easily crushed, and can be blocked to the channel between above-mentioned each molecular sieve, be led to filter core
2 strainability decline.
And for unidirectional device for drying and filtering provided by the present invention, due to eliminating import buffer substrate tablet, then can perfection evade
State problem, that is to say, that the embodiment of the present invention can also ensure that the strainability of filter core 2 in long-term use process.
With continued reference to FIG. 2, the arrow direction in Fig. 2 indicates the flow direction of coolant media, in embodiments of the present invention, due to
It is positioned between inlet end cap 1 and filter core 2 using face contact, the middle part of filter core 2 is stopped without other components, so that filter core
2 middle part and circumferential each position it is roughly the same by resistance.In this way, when in use, coolant media will not selectively pass through
The part of filter core 2, so that entire filter core 2 is used equally for filtering, the utilization efficiency of filter core 2 is greatly improved, and circulation can also
It is significantly increased；Simultaneously as flowing to for coolant media is more consistent, can largely avoid the generation of regions of turbulent flow, with into
Improve circulation to one step.
In addition, there is no the larger cavitys in background technique between inlet end cap 1 and filter core 2, that is to say, that coolant media
After the inflow of inlet tube 6, it can be directly entered in filter core 2 substantially, the utilization efficiency of unidirectional device for drying and filtering inner space is higher,
Under conditions of identical filter core 2, the manufacture material of unidirectional device for drying and filtering can be saved, substantially to reduce manufacturing cost.
Specifically, can refer to Fig. 3, and Fig. 2 is combined, one end of inlet end cap 1 towards filter core 2 can have along disengaging side
To the first positioning surface 11 being gradually disposed obliquely outwards, one end of filter core 2 towards inlet end cap 1 can have second to match
Positioning surface 21, the first positioning surface 11 can be in contact with the second positioning surface 21, filter core 2 is accurately positioned.Above-mentioned " towards outer incline "
Refer to radially towards outer incline, that is to say, that one end of inlet end cap 1 towards filter core 2 can have along disengaging direction section ruler
The very little horn mouth being gradually increased, to carry out effective position to filter core 2.
Above-mentioned first positioning surface 11 can be annular surface, it can around the circumferential setting of inlet end cap 1, correspondingly, the
Two positioning surfaces 21 or annular surface, certainly, the two may also be only a part of annular surface.More specifically, above-mentioned
One positioning surface 11, the second positioning surface 21 can be the conical surface to match, which can be with circular conical surface, pyramidal surface or the arc conical surface
Deng regardless of using which kind of structure, as long as can guarantee that reliable location can be carried out to filter core 2 by above-mentioned two positioning surface.
In another embodiment, inlet end cap 1 can have the lug boss towards filter core 2, and filter core 2 can be equipped with recessed
The outside wall surface of slot, the lug boss can match with the inner wall of groove, when the outside wall surface and the inner wall phase of groove of lug boss
It, can effective position filter core 2 when contact.
The quantity of above-mentioned lug boss can be multiple, and each lug boss can be circumferentially spaced, correspondingly, groove
Quantity may be multiple, and be arranged in a one-to-one correspondence with each lug boss；The outside wall surface of lug boss, the inner wall of groove are preferably light
Sliding curved surface, lug boss and groove are seriously worn caused by constantly vibrating to avoid system in long-term use process, filter core 2 is crushed
Situation；Above-mentioned lug boss, groove can be respectively arranged on the first positioning surface 11 above-mentioned, the second positioning surface 21, fixed with cooperation two
Plane positions filter core 2.
It is described above primarily directed to the location structure of 2 input end of filter core, the positioning knot about 2 outlet end of filter core
Structure then can refer to background technique and be configured.
Unidirectional device for drying and filtering provided by the present invention can also include outlet buffer substrate tablet 4, outlet backstop 5, export buffer substrate tablet
4, outlet backstop 5 can be sequentially arranged between filter core 2 and outlet end cap 3 along disengaging direction.Outlet backstop 5 can export filter core 2
The axial direction at end is limited, and cooperates the first positioning surface 11, and to limit the axially mounted position of filter core 2, outlet buffer substrate tablet 4 can be with
It is prepared using flexible material, and package positioning is carried out to the circumferential direction of filter core 2.
Still using Fig. 2 as visual angle, unidirectional device for drying and filtering provided by the embodiment of the present invention can also save this knot of body
Structure, and then the both ends adjacent with inlet end cap 1 of outlet end cap 3 are directly attached, to be enclosed for installing filter core 2
Cavity.Compared to background technique, the embodiment of the present invention reduces one of weld seam, reduces the disclosure risk of coolant media, can be big
Width improves the sealing performance of the unidirectional device for drying and filtering.
In addition, the outlet end cap 3 of unidirectional device for drying and filtering is adjacent with inlet end cap 1 provided by the embodiment of the present invention two
End can use overlap joint welding, using this structure, on the one hand, can guarantee sealing between inlet end cap 1, outlet end cap 3, connection
Reliability, on the other hand, also there is no part waste of material is inserted in, be conducive to save material, with reduce production
Cost.
Can refer to as follows for unidirectional device for drying and filtering, installation step involved in the respective embodiments described above:
Outlet backstop 5, outlet buffer substrate tablet 4 and filter core 2 are sequentially placed into the inner cavity of outlet end cap 3；
Inlet end cap 1 is fastened, and fixed inlet end cap 1, outlet end cap 3 by way of overlap joint welding.
From the foregoing, it will be observed that can be by assembly extremely complex in background technique using unidirectional device for drying and filtering provided by the present invention
Process reduction is two steps, so that assembling process significantly simplifies, assembly efficiency is greatly improved.
, it is emphasized that unidirectional device for drying and filtering provided by the present invention is applicable not only to the various applications such as automobile-used, household, commercialization
In the air-conditioning system of occasion, it could be applicable to other systems, in fact, dry, filtering function application scenarios are needed in every case,
Unidirectional device for drying and filtering provided by the present invention is applicable.
The above is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (7)
1. a kind of unidirectional device for drying and filtering, including inlet end cap (1) and filter core (2), which is characterized in that the inlet end cap (1)
By face contact between the filter core (2), to position the one end of the filter core (2) close to the inlet end cap (1).
2. unidirectional device for drying and filtering according to claim 1, which is characterized in that the inlet end cap (1) is towards the filter core
(2) one end has along the first positioning surface (11) for being gradually disposed obliquely outwards of disengaging direction, the filter core (2) towards it is described into
One end of mouth end cap (1) has the second positioning surface (21) to match, and first positioning surface (11) can determine with described second
Plane (21) is in contact, to position the filter core (2).
3. unidirectional device for drying and filtering according to claim 2, which is characterized in that first positioning surface (11), described second
Positioning surface (21) is the conical surface to match.
4. unidirectional device for drying and filtering according to claim 1, which is characterized in that the inlet end cap (1) has described in
The lug boss of filter core (2), the filter core (2) are equipped with groove, and the outside wall surface of the lug boss can be with the inner wall of the groove
It is in contact, to position the filter core (2).
5. unidirectional device for drying and filtering according to claim 4, which is characterized in that the outside wall surface of the lug boss, the groove
Inner wall be smooth surface.
6. unidirectional device for drying and filtering described in any one of -5 according to claim 1, which is characterized in that it further include outlet end cap (3),
The adjacent both ends of the outlet end cap (3), the inlet end cap (1) can mutually overlap, and pass through welded seal, fixation；
The inlet end cap (1) and the outlet end cap (3) can be enclosed the cavity for installing the filter core (2).
7. unidirectional device for drying and filtering according to claim 6, which is characterized in that further include outlet buffer substrate tablet (4), outlet backstop
(5), the outlet buffer substrate tablet (4), the outlet backstop (5) are sequentially arranged in the filter core (2) and the outlet along disengaging direction
Between end cap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136471.3A CN110131930B (en) | 2018-02-09 | 2018-02-09 | One-way drying filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136471.3A CN110131930B (en) | 2018-02-09 | 2018-02-09 | One-way drying filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110131930A true CN110131930A (en) | 2019-08-16 |
| CN110131930B CN110131930B (en) | 2022-05-20 |
Family
ID=67568153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810136471.3A Active CN110131930B (en) | 2018-02-09 | 2018-02-09 | One-way drying filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110131930B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364756A (en) * | 1981-07-07 | 1982-12-21 | Virginia Chemicals Inc. | Refrigerant suction line filter/filter-drier and method for the construction thereof |
| US5110330A (en) * | 1990-02-08 | 1992-05-05 | Arrow Pneumatics, Inc. | Filter dryer |
| CN101893358A (en) * | 2010-07-17 | 2010-11-24 | 浙江三花制冷集团有限公司 | Drying filter |
| CN103900303A (en) * | 2012-12-27 | 2014-07-02 | 浙江三花制冷集团有限公司 | Filter |
| CN104329981A (en) * | 2014-10-20 | 2015-02-04 | 新昌县儒岙镇锦云机械厂 | Drying filter device |
| CN206600251U (en) * | 2017-03-03 | 2017-10-31 | 任科 | A kind of filter for air compressor |
-
2018
- 2018-02-09 CN CN201810136471.3A patent/CN110131930B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364756A (en) * | 1981-07-07 | 1982-12-21 | Virginia Chemicals Inc. | Refrigerant suction line filter/filter-drier and method for the construction thereof |
| US5110330A (en) * | 1990-02-08 | 1992-05-05 | Arrow Pneumatics, Inc. | Filter dryer |
| CN101893358A (en) * | 2010-07-17 | 2010-11-24 | 浙江三花制冷集团有限公司 | Drying filter |
| CN103900303A (en) * | 2012-12-27 | 2014-07-02 | 浙江三花制冷集团有限公司 | Filter |
| CN104329981A (en) * | 2014-10-20 | 2015-02-04 | 新昌县儒岙镇锦云机械厂 | Drying filter device |
| CN206600251U (en) * | 2017-03-03 | 2017-10-31 | 任科 | A kind of filter for air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110131930B (en) | 2022-05-20 |
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