CN102175067B - Liquid reservoir and filter device thereof - Google Patents
Liquid reservoir and filter device thereof Download PDFInfo
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- CN102175067B CN102175067B CN201110063937XA CN201110063937A CN102175067B CN 102175067 B CN102175067 B CN 102175067B CN 201110063937X A CN201110063937X A CN 201110063937XA CN 201110063937 A CN201110063937 A CN 201110063937A CN 102175067 B CN102175067 B CN 102175067B
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- liquid reservoir
- screen sleeve
- convex edge
- capping
- cylindrical shell
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Abstract
The invention discloses a filter device of a liquid reservoir. The filter device comprises a filter screen sleeve for filtering impurities and a seal cover sealed and connected with a cylinder of the liquid reservoir, the filter screen sleeve is arranged axially opposite to the seal cover, the outside end of the filter screen sleeve is in buckled connection with the seal cover, and the inside end of the filter screen sleeve is provided with a sealing component adapted with the cylinder of the liquid reservoir. Compared with the prior art, the invention has the advantages that: high matching precision requirement is not needed among the components of the scheme, the processing technology and the assembly technology are greatly reduced, and the filter device has the characteristics of simplicity in structure and convenience for assembly; and on the other hand, special materials such as an aluminum material and the like are not needed in the scheme, so the material cost and the processing cost can be effectively further reduced. The invention also provides the liquid reservoir with the filter device.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to a kind of liquid reservoir and filter thereof.
Background technology
In the prior art; Liquid reservoir is the particularly significant components in the air conditioning for automobiles of air-conditioning; Its effect is: store unnecessary cold-producing medium in the air-conditioning refrigeration system, guarantee to be liquid medium before cold-producing medium gets into expansion valve, and cold-producing medium is played desiccation; Impurity in the system can not flow in expansion valve or the compressor, thereby play a protective role.Wherein, the inner filter of liquid reservoir is used for realizing the function of filtration system impurity.
See also Fig. 1, this figure is a kind of typical structure sketch map of existing liquid reservoir.
As shown in the figure, be provided with the drying device 20 (molecular sieve bag) that is used for absorption refrigeration agent moisture in the liquid reservoir cylindrical shell 10, the inlet that sets gradually vertically on its sidewall 101 and liquid outlet 102 are respectively applied for the heat exchanger collector tube and are communicated with; Simultaneously, cylindrical shell 10 is provided with screen sleeve 40, to realize the basic function of its filtration reliably.Particularly; Be effective fixedly screen sleeve 40; During assembling at first cylindrical shell 10 inner surfaces between inlet 101 and liquid outlet 102 fixedly install an aluminium matter snap ring 30; Then pack into screen sleeve 40 in the cylindrical shell and offset with this snap ring 30, capping 50 is screwed with the openend screw thread of cylindrical shell 10 cooperates at last, offsets until this capping 50 and screen sleeve 40 and realizes the axial location of screen sleeve 40.In addition, be provided with seal between capping 50 and the cylindrical shell 10, to form the inner airtight reservoir compartment chamber of liquid reservoir.
Yet in such scheme, snap ring 30 adopts interference fit to confirm relative position between the two with cylindrical shell 10.In the assembling process, when the magnitude of interference is big, snap ring 30 difficulty of packing in the cylindrical shell 10, and scratch cylindrical shell 10 inner surfaces produce a lot of metal fillings easily, form granule foreign, and then make that liquid reservoir cleaning inside degree is relatively poor; When the magnitude of interference hour, snap ring 30 cooperates firm inadequately with cylindrical shell 10, be prone to cause snap ring 30 to come off, thus effectively fixing screen sleeve 40.Obviously, this version is comparatively strict for the size tolerance requirements of cylindrical shell 10 internal diameters and snap ring 30 external diameters, can't effectively control material and processing cost.
In view of this, demand urgently improving design, guaranteeing effectively to reduce manufacturing cost on simple, the reliable basis of screen sleeve assembling to the version of existing filter.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is to provide a kind of liquid reservoir filter, so that assembly operation, and can effectively control manufacturing cost.On this basis, the present invention also provides a kind of liquid reservoir with this filter.
Liquid reservoir filter provided by the invention; Comprise screen sleeve that is used for impurity screening and the capping that is used for being connected by sealing with the liquid reservoir cylindrical shell; Said screen sleeve and said capping axially are oppositely arranged; The outboard end of said screen sleeve is connected with said capping engaging, and is provided with at the medial extremity of said screen sleeve and is used for and the suitable seal member of liquid reservoir cylindrical shell.
Preferably, the outboard end matrix of said screen sleeve has first convex edge that extends radially inwardly, and correspondingly, the medial extremity of said capping has second convex edge that extends radially outwardly; The internal diameter of first convex edge of said screen sleeve is less than the external diameter of second convex edge of said capping, and said first convex edge axially engages with second convex edge and is connected.
Preferably, the outboard end matrix adopting elastomeric material of said screen sleeve is processed, and said first convex edge has a plurality of axially opens that circumferentially are uniformly distributed with.
Preferably, be provided with axial limiting portion in the inboard said screen sleeve in said first convex edge, the medial extremity of said capping can with the said axial limiting portion location that offsets.
Preferably, the axial distance on the said screen sleeve between the axial limiting portion and first convex edge satisfies: under the axial fastening state in said first convex edge and second convex edge, the axial limiting portion of the medial extremity of said capping and said screen sleeve axially offsets.
Preferably, the center of the medial extremity of said capping has the convexity of axially stretching out.
Preferably, be matched in clearance between the outer surface of the outboard end of said screen sleeve and the said liquid reservoir cylindrical shell.
Preferably, the outer surface of the medial extremity of said screen sleeve is provided with annular recess, and said seal member is specially the sealing ring that is arranged between said annular recess and the liquid reservoir cylindrical shell.
Preferably, the outboard end matrix of said screen sleeve has the 3rd convex edge that extends radially outwardly, and correspondingly, the medial extremity of said capping has the 4th convex edge that extends radially inwardly; The external diameter of the 3rd convex edge of said screen sleeve is greater than the internal diameter of the 4th convex edge of said capping, and said the 3rd convex edge axially engages with the 4th convex edge and is connected.
Liquid reservoir provided by the invention comprises liquid reservoir cylindrical shell and the filter that is arranged on the openend of said liquid reservoir cylindrical shell, and said filter is specially foregoing liquid reservoir filter.
Compared with prior art; The fixed form that the present invention is directed to screen sleeve has been carried out structure optimization; This liquid reservoir filter comprises screen sleeve and the capping that axially is oppositely arranged; And the outboard end of screen sleeve and capping engaging is connected, and is provided with at the medial extremity of screen sleeve and is used for and the suitable seal member of liquid reservoir cylindrical shell.During assembly manipulation, at first screen sleeve is engaged with capping and fit together, again both are inserted in the lump the openend of liquid reservoir cylindrical shell, and realize fixing being connected between capping and the cylindrical shell, and then realize the axial location of screen sleeve through threaded engagement.On the one hand, need not higher quality of fit requirement between each member of this programme, greatly reduce processing technology and assembly technology, have characteristics simple in structure, easy to assembly; On the other hand, this programme need not to adopt special substances such as aluminum material, can further reduce material and processing cost effectively.
In the preferred version of the present invention, the outboard end matrix adopting elastomeric material of screen sleeve is processed, and certainly, also can whole substrate adopt elastomeric material to process; Simultaneously, with capping on first convex edge that fastens, second convex edge have a plurality of axially opens that circumferentially are uniformly distributed with.So design can improve the deformability of first convex edge, and then improves the operability of assembling engaging.
In another preferred version of the present invention; Be provided with axial limiting portion in the screen sleeve of inboard, first convex edge; Axial distance between this axial limiting portion and first convex edge satisfies: under the axial fastening state in first convex edge and second convex edge, the axial limiting portion of the medial extremity of capping and screen sleeve axially offsets.That is to say that the snap fit of first convex edge and second convex edge and capping medial extremity offset with axial limiting portion and cooperate, and can realize screen sleeve and capping axial displacement between the two, for the job stability that further improves liquid reservoir provides reliable guarantee.
Liquid reservoir filter provided by the invention is specially adapted to the Overcold liquid reservoir applicable to the liquid reservoir of any kind.
Description of drawings
Fig. 1 is a kind of typical structure sketch map of existing liquid reservoir;
Fig. 2 is the structural representation of liquid reservoir described in a kind of embodiment;
Fig. 3 is the assembling enlarged diagram of liquid reservoir filter shown in Fig. 2 and cylindrical shell;
Fig. 4 is the assembling sketch map of said liquid reservoir filter of second embodiment and cylindrical shell;
Fig. 5 is the axial cutaway view of the said screen sleeve of the 3rd embodiment;
Fig. 6 is that the A of screen sleeve described in Fig. 5 is to view;
Fig. 7 is the assembling sketch map of the said liquid reservoir filter of the 4th embodiment;
Fig. 8 is the assembling sketch map of the said liquid reservoir filter of the 5th embodiment.
Among the figure:
End cap 1, cylindrical shell 2, inlet 21, liquid outlet 22, molecular sieve bag 3, molecular sieve 31, screen sleeve 4, filter screen 41, matrix 42, first convex edge 421, annular recess 422, annular boss 423, axially open 424, axial limiting portion 425, capping 5, second convex edge 51, columnar projections 52, outer convex arc 53, seal member 6, seal member 7.
The specific embodiment
Core of the present invention provides a kind of liquid reservoir filter; Fixed form for screen sleeve has been carried out structure optimization; The outboard end of the screen sleeve of this liquid reservoir filter and capping engaging is connected, and is provided with at the medial extremity of screen sleeve and is used for and the suitable seal member of liquid reservoir cylindrical shell.On the basis of satisfying the impurity screening function, help the product assembly operation, and can effectively control manufacturing cost.Specify this embodiment below in conjunction with Figure of description.
See also Fig. 2, the figure shows the structural representation of the said liquid reservoir of first embodiment.
As shown in Figure 2; The basic comprising and the prior art of this liquid reservoir are roughly the same; Comprise main function components such as end cap 1, cylindrical shell 2, molecular sieve bag 3, screen sleeve 4 and capping 5, wherein, end cap 1 cooperates formation one end opening shape with cylindrical shell 2 sealing; Molecular sieve bag 3 is built in the cylindrical shell 2, and molecular sieve 31 wherein is used for the residual moisture of absorption refrigeration agent.In the course of work, the inlet 21 of refrigerant on cylindrical shell 2 flows into cylinder lumen, after screen sleeve 4 filters, flows into the circulatory system from liquid outlet 22.Need to prove that the operation principle of above-mentioned functions parts is identical with prior art, those skilled in the art can realize fully, so this paper repeats no more.
For specifying the concrete ins and outs of the filter that is made up of screen sleeve 4 and capping 5, please in the lump referring to Fig. 3, this figure is the assembling enlarged diagram of liquid reservoir filter shown in Fig. 2 and cylindrical shell.
In conjunction with Fig. 2 and shown in Figure 3, screen sleeve 4 comprises filter screen 41 and matrix 42 two parts, and its matrix can be injection molded by engineering plastics, and then filter screen is formed at the side of screen sleeve 4.Certainly, basic material is not limited to aforementioned work plastics, also can adopt other elastic materials such as vulcanie to process, and perhaps adopts metal material; Should be appreciated that as long as satisfy the use needs and all can.
In the present embodiment, the outboard end matrix of screen sleeve 4 has first convex edge 421 that extends radially inwardly, and correspondingly, the medial extremity of capping 5 has second convex edge 51 that extends radially outwardly; The internal diameter of first convex edge 421 of this screen sleeve 4 is less than the external diameter of second convex edge 51 of capping 5.Need to prove, among this paper related inside and outside wait the noun of locality with the liquid reservoir cylindrical shell as the benchmark definition, promptly be medial extremity, be outboard end away from liquid reservoir cylindrical shell center by nearly liquid reservoir cylindrical shell center.The use that should be appreciated that the above-mentioned inside and outside noun of locality such as grade does not limit the scope that the application asks for protection.
During assembling, with both axial relative displacements, insert from first convex edge 421 of screen sleeve 4 second convex edge 51 of capping 5, and first convex edge 421 axially engages with second convex edge 51 realizes that said engaging is connected; Then, again both are inserted in the lump the openend of liquid reservoir cylindrical shell 2, and realize fixing being connected between capping 5 and the cylindrical shell 2 through threaded engagement, and then the axial location of realization screen sleeve 4.Identical with prior art, be provided with seal member 7 between capping 5 and the cylindrical shell 2.Seal member 6 all adopts sealing ring with seal member 7.
Wherein, seal member 6 is arranged in the annular recess 422 on the outer surface of screen sleeve 4 medial extremity matrixes.The external diameter of sealing circle is used for the internal diameter of liquid reservoir cylindrical shell 2 suitable, with the cold-producing medium avoiding containing impurity from the medial extremity of screen sleeve 4 and the direct entering liquid outlet 22 between the cylindrical shell 2.
Above-mentioned capping 5 engages in the process with screen sleeve 4, has radially relative displacement between first convex edge 421 and second convex edge 51, and after engaging is accomplished, resets.Preferably, the outboard end matrix adopting elastomeric material of screen sleeve 4 is processed, and certainly, also can whole substrate 42 adopt elastomeric material to process; In the engaging process, first convex edge 421 is easier to radially outward produce strain.So design can improve first deformability of convex edge 421 in the engaging process, and then improves the operability of engaging assembling.
In addition; On the screen sleeve 4 in first convex edge and the capping 5 second convex edge also can oppositely be provided with, that is, the outboard end matrix of screen sleeve 4 has the 3rd convex edge (not shown) that extends radially outwardly; Correspondingly, the medial extremity of capping 5 has the 4th convex edge (not shown) that extends radially inwardly; The external diameter of the 3rd convex edge of screen sleeve 4 is greater than the internal diameter of the 4th convex edge of capping 5, and the convex edge on the screen sleeve 4 is plugged in the convex edge of capping 5, and the 3rd convex edge axially engages with the 4th convex edge realizes that engaging is connected.
See also Fig. 4, this figure is the assembling sketch map of said liquid reservoir filter of second embodiment and cylindrical shell.
Main composition and the annexation of the present embodiment and first embodiment are basic identical, and both compare difference and are, are matched in clearance between the outer surface of screen sleeve 4 outboard ends of present embodiment and the liquid reservoir cylindrical shell 2.As shown in Figure 4, the outboard end of screen sleeve 4 has radially-protruding annular boss 423, with and cylindrical shell 2 between form matched in clearance, second convex edge 51 is formed at the outboard end of this annular boss 423.Like this, the liquid reservoir filter plug-in mounting after the assembling is gone in the process of cylindrical shell 2, good guide effect is played in this second convex edge 51, and then improves the assembly process process of liquid reservoir.
In addition, for improving the operability that both assemble engaging, can do further structure optimization to such scheme.See also Fig. 5 and Fig. 6, wherein, Fig. 5 is the axial cutaway view of the said screen sleeve 4 of the 3rd embodiment, and Fig. 6 is that the A of screen sleeve 4 described in Fig. 5 is to view.
Main composition and the annexation of present embodiment and first and second embodiment are basic identical, and difference is, in this programme with capping 5 on first convex edge 421 that fastens, second convex edge 51 have a plurality of axially opens 424 that circumferentially are uniformly distributed with.So design makes the convex edge 421 of winning in the engaging process, help radially outward producing strain more.
In fact, also can on second convex edge 51, offer circumferentially all a plurality of axially open (not shown)s of face, obviously, equally can be so that radially inner strain is convenient in the engaging process, produce in second convex edge 51.
After the said liquid reservoir filter assembling of above-mentioned three embodiment was accomplished, screen sleeve 4 all was able to reliable restriction away from the displacement of capping 5 vertically.Yet, for screen sleeve 4 vertically near not restriction preferably of the displacement of capping, below two embodiment that provide can solve the axial location between screen sleeve 4 and the capping 5 comprehensively.
See also Fig. 7, this figure is the assembling sketch map of the said liquid reservoir filter of the 4th embodiment.
In this programme, be provided with axial limiting portion 425 in inboard screen sleeve 4 matrixes in first convex edge 51, the medial extremity of capping 5 can with axial limiting portion 425 location that offsets.Obviously, in radial section, the shape of this axial limiting portion 425 can be provided with arbitrarily, if satisfy restriction screen sleeve 4 vertically near the displacement of capping 5 all in the scope that the application asks for protection.Preferably, the axial distance on the screen sleeve 4 between the axial limiting portion 425 and first convex edge 421 satisfies: under first convex edge 421 and second convex edge, the 51 axial fastening states, the axial limiting portion 425 of the medial extremity of capping 5 and screen sleeve 4 axially offsets.
As shown in Figure 7, the center of the medial extremity of the capping 5 of this programme has the columnar projections 52 of axially stretching out.
See also Fig. 8, this figure is the assembling sketch map of the said liquid reservoir filter of the 5th embodiment.
The difference of present embodiment and the 4th embodiment only is, and is different with the axial limiting portion 425 of screen sleeve 4 the offset version of capping 5 medial extremitys that cooperate.As shown in Figure 8, capping 5 medial extremitys of this programme are outer convex arc 53 shapes.
What specify is that the version of capping 5 medial extremitys is not limited to above-mentioned two kinds of versions, in fact, can require concrete the setting according to the size or the manufacturability of different product.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. liquid reservoir filter; Comprise screen sleeve that is used for impurity screening and the capping that is used for being connected by sealing with the liquid reservoir cylindrical shell; Said screen sleeve and said capping axially are oppositely arranged; It is characterized in that the outboard end of said screen sleeve is connected with said capping engaging, and be provided with at the medial extremity of said screen sleeve and be used for and the suitable seal member of liquid reservoir cylindrical shell;
The outboard end matrix of said screen sleeve has first convex edge that extends radially inwardly, and correspondingly, the medial extremity of said capping has second convex edge that extends radially outwardly; The internal diameter of first convex edge of said screen sleeve is less than the external diameter of second convex edge of said capping, and said first convex edge axially engages with second convex edge and is connected;
Be provided with axial limiting portion in the inboard said screen sleeve in said first convex edge, the medial extremity of said capping can with the said axial limiting portion location that offsets.
2. liquid reservoir filter according to claim 1 is characterized in that, the outboard end matrix adopting elastomeric material of said screen sleeve is processed, and said first convex edge has a plurality of axially opens that circumferentially are uniformly distributed with.
3. liquid reservoir filter according to claim 2; It is characterized in that; Axial distance on the said screen sleeve between the axial limiting portion and first convex edge satisfies: under the axial fastening state in said first convex edge and second convex edge, the axial limiting portion of the medial extremity of said capping and said screen sleeve axially offsets.
4. liquid reservoir filter according to claim 3 is characterized in that the center of the medial extremity of said capping has the convexity of axially stretching out.
5. liquid reservoir filter according to claim 4 is characterized in that, is matched in clearance between the outer surface of the outboard end of said screen sleeve and the said liquid reservoir cylindrical shell.
6. liquid reservoir filter according to claim 1 is characterized in that the outer surface of the medial extremity of said screen sleeve is provided with annular recess, and said seal member is specially the sealing ring that is arranged between said annular recess and the liquid reservoir cylindrical shell.
7. liquid reservoir comprises liquid reservoir cylindrical shell and the filter that is arranged on the openend of said liquid reservoir cylindrical shell, it is characterized in that said filter is specially like each described liquid reservoir filter in the claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063937XA CN102175067B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir and filter device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063937XA CN102175067B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir and filter device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102175067A CN102175067A (en) | 2011-09-07 |
| CN102175067B true CN102175067B (en) | 2012-11-14 |
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| CN201110063937XA Active CN102175067B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir and filter device thereof |
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| CN (1) | CN102175067B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201852383U (en) | 2010-11-17 | 2011-06-01 | 浙江三花汽车控制系统有限公司 | Heat exchanger and liquid storing device thereof |
| CN102538323B (en) * | 2012-02-27 | 2014-04-02 | 浙江三花汽车零部件有限公司 | Air conditioner refrigeration system and liquid reservoir thereof |
| CN103968624B (en) * | 2013-01-31 | 2017-10-31 | 浙江三花汽车零部件有限公司 | A kind of liquid reservoir and liquid reservoir manufacture method |
| CN105318616B (en) * | 2015-01-30 | 2017-02-15 | 浙江三花汽车零部件有限公司 | Dry filter and fabrication method thereof and fabrication method for condenser assembly |
| CN106918171A (en) * | 2017-03-31 | 2017-07-04 | 和龙双昊高新技术有限公司 | A kind of car air-conditioner Overcooling type liquid storage drier blocking cap |
| CN106931691A (en) * | 2017-03-31 | 2017-07-07 | 和龙双昊高新技术有限公司 | A kind of Overcold car air-conditioner liquid storage dryer with pipette |
| CN109959193A (en) * | 2017-12-25 | 2019-07-02 | 浙江三花汽车零部件有限公司 | A kind of liquid reservoir and its manufacturing method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101217021B1 (en) * | 2006-07-07 | 2013-01-02 | 한라공조주식회사 | Installing Structure of Lower Part Cap in Receiverdrier |
| CN101074810A (en) * | 2007-04-10 | 2007-11-21 | 豫新航空环控设备有限公司 | Liquid-storage drying filter |
| JP2009079806A (en) * | 2007-09-26 | 2009-04-16 | Showa Denko Kk | Heat exchanger |
| CN101545704A (en) * | 2008-03-24 | 2009-09-30 | 浙江三花汽车控制系统有限公司 | Liquid vessel and method for manufacturing same |
| CN201237408Y (en) * | 2008-06-20 | 2009-05-13 | 天津双昊车用空调有限公司 | Filtering block cap of overcooling liquid reservoir |
| CN101839594A (en) * | 2009-12-29 | 2010-09-22 | 浙江三花汽车控制系统有限公司 | Liquid receiver and filtering device thereof |
| CN101865577A (en) * | 2010-06-02 | 2010-10-20 | 和龙双昊高新技术有限公司 | Liquid storing drier plug with filter screen |
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2011
- 2011-03-16 CN CN201110063937XA patent/CN102175067B/en active Active
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Owner name: ZHEJIANG SANHUA AUTO PARTS CO., LTD. Free format text: FORMER NAME: ZHEJIANG SANHUA AUTO PARTS STOCK CO., LTD. |
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Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301 Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301 Patentee before: Zhejiang Sanhua Auto Parts Co.,Ltd. |