CN202371943U - Short pipe throttling valve for air conditioner - Google Patents
Short pipe throttling valve for air conditioner Download PDFInfo
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- CN202371943U CN202371943U CN2011204099198U CN201120409919U CN202371943U CN 202371943 U CN202371943 U CN 202371943U CN 2011204099198 U CN2011204099198 U CN 2011204099198U CN 201120409919 U CN201120409919 U CN 201120409919U CN 202371943 U CN202371943 U CN 202371943U
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Abstract
The utility model relates to a short pipe throttling valve for an air conditioner. The short pipe throttling valve comprises a valve body, wherein a static valve core and movable valve cores are arranged in the valve body. The short pipe throttling valve is characterized in that: only one static valve core is arranged; the static valve core is only provided with a capillary pore channel which passes through the axle center of the static valve core; two movable valve cores are positioned on both sides of the static valve core, and include a first movable valve core and a second movable valve core respectively; the first movable valve core is provided with a first capillary pore which passes through the axle center of the first movable valve core, and at least two axially-perforated overflow grooves distributed on the outer circumference of the first movable valve core; the second movable valve core is only provided with a second capillary pore which passes through the axle center of the second movable valve core; and a first barrier and a second barrier provided with channels for a refrigerant to flow through are further arranged in the valve body. Due to the adoption of two movable valve cores, a throttling pipe undergoes two dynamic throttling processes in a working process, so that a good throttling effect is achieved; and the short pipe throttling valve flows through the refrigerant channel after passing through the overflow hole and the capillary pore, so that the flow channel path of the movable valve core is simplified.
Description
Technical field
The utility model belongs to the technical field of air-conditioning, relates in particular to a kind of idle call short-tube restrictor valve.
Background technology
Throttle structure in the small-type refrigeration appliances such as existing domestic air conditioning generally adopts choke valve or throttle block structure; Like a patent No. is that the Chinese utility model patent " choke valve " of ZL97236534.6 (notification number is CN2295085Y) has disclosed a kind of choke valve; It is characterized in that: be fixed with two relative valve A and valve B in the housing; A: valve A comprises that an end is fixed with the valve body of pad, and the valve body middle part has through hole, and its large aperture part has a spool; The spool middle part has spray orifice, and an end of on valve body, importing and exporting relatively is connected with filter screen; B: valve B comprises that an end is fixed with the valve body of pad, and the valve body middle part has through hole, and its large aperture part has a spool, and the spool middle part has spray orifice, and an end of on valve body, importing and exporting relatively is connected with filter screen.
Be a kind of choke valve the Chinese utility model patent " bi-directional secondary choke valve " of ZL200720107950.X (notification number is CN201027999Y) has disclosed like a patent No. also, comprise valve body, an end sealing and fixing has valve seat in the valve body; Valve seat comprises valve opening and slideway; Be provided with movable spool in the slideway, have axial aperture on the spool, valve seat is provided with several through flow holes; Other end sealing and fixing has fixed spool in the described valve body, and fixed spool has axial aperture.The structure more complicated of valve inner in above-mentioned two choke valves, cost is high.
It is that the Chinese utility model patent " throttling arrangement of the throttling of a kind of orifice plate type, shunting " of ZL03247899.2 (notification number is CN2639808Y) has disclosed a kind of throttling arrangement that one patent No. is arranged again, comprises shell, main aperture plate, auxilliary orifice plate, plate washer.The main aperture plate is fixed on shell one end, and plate washer is fixed on the other end of shell, and auxilliary orifice plate is loaded in the shell and places between main aperture plate and the plate washer, and auxilliary orifice plate can change mobile with two ends fluid pressure difference in the shell.When auxilliary orifice plate moved to main aperture plate one end, fluid must pass through two orifice plate central small hole throttlings; When auxilliary orifice plate moved to plate washer one end, fluid was only through the throttling of main aperture plate central small hole.The structure of this throttling arrangement is succinct relatively.
The fluid passage of auxilliary orifice plate (the being equivalent to movable valve plug) outer ring in this throttling arrangement is the fluid main channel; For making fluid flow through the fluid through-hole on the baffle plate through this fluid main channel; It need cut out one at the placement section rear portion and form supply fluid through the fluid passage that one path of upwards flowing is arranged, structure more complicated that therefore should auxilliary orifice plate.There is this auxilliary orifice plate (being equivalent to motion block or movable valve plug) to have only one again; Can only carry out a throttling; Be unfavorable for the throttling intensity of required coupling when satisfying the domestic air conditioning refrigeration and heating, therefore the restriction effect of existing various idle call choke valves also can be done further improvement.
Summary of the invention
The utility model technical problem to be solved is to above-mentioned prior art present situation a kind of idle call short-tube restrictor valve with twice dynamic throttling process to be provided; And the structure of movable valve plug is simple relatively; Movable valve plug when throttling and during normal condition changes in flow rate big, so this idle call short-tube restrictor valve can the whole restriction effect that improves on air-conditioning.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of idle call short-tube restrictor valve; Comprise valve body in a tubular form; Be provided with the quiet spool that is provided with this valve body relative fixed and the movable valve plug of valve body axial slip relatively in the valve body, it is characterized in that: said quiet spool has only one, and quiet spool only have one run through its axle center capillary porosity duct; Said movable valve plug has two both sides that are positioned at quiet spool; Be respectively first movable valve plug and second movable valve plug, wherein, first movable valve plug have one run through its axle center first pore; And be distributed at least two overflow launders that axially run through of these first movable valve plug outer peripheral edges; Second movable valve plug only have one run through its axle center second pore, also be provided with in the valve body and have first block piece and second block piece that supplies the passage that cold-producing medium passes through, these two block pieces be separately positioned in the valve body two ends and with the valve body relative fixed; Said first movable valve plug is between first block piece and quiet spool, and said second movable valve plug is between second block piece and quiet spool.
Two ends in the above-mentioned valve body also are respectively arranged with first screen pack and second screen pack, said first screen pack and second screen pack and valve body relative fixed.Screen pack is set filters out the impurity in the cold-producing medium, make through the cold-producing medium of each movable valve plug and quiet spool purelyr, strengthen refrigeration.
Above-mentioned first and second block piece is back-up ring, on the outer peripheral face of first and second block piece, is provided with cannelure respectively in advance, and the inwall of said valve body snaps in the described cannelure through extruding.Owing to adopt the outer peripheral face and the valve body inner peripheral surface of the block piece of back-up ring to be shiny surface, therefore, be fixed together to good with mode between above-mentioned back-up ring outer peripheral face and the valve interior wall through extruding, the mode of extruding has the simple advantage in location.
Above-mentioned first block piece is the bulge loop that is formed on convex on the valve interior wall; Said second block piece is a back-up ring, on the outer peripheral face of second block piece, is provided with cannelure respectively in advance, and the inwall of said valve body snaps in the described cannelure through extruding.Can simplify the structure of block piece as block piece with bulge loop.
Also be provided with a bushing pipe between above-mentioned quiet spool, first movable valve plug, second movable valve plug, first block piece and second block piece and the valve interior wall; Be provided with one or more cannelure respectively in advance on the described quiet spool outer peripheral face; Mode through extruding between described bushing pipe outer peripheral face and the valve interior wall is fixed together; Simultaneously, described bushing pipe extruding snaps onto in the described cannelure.Because the length of bushing pipe is shorter than the length of valve body, more be prone to install quiet spool, movable valve plug and block piece.
Compared with prior art, the advantage of the utility model is: owing to adopted two movable valve plug structures, so choke valve has the process of twice dynamic throttling, good throttle effect in the course of the work; Pore and the overflow launder of flow channel that movable valve plug is arranged again for axially running through; So cold-producing medium as original auxilliary orifice plate, need need not could be through the runner of block piece through upwards flowing behind the outer ring runner of auxilliary orifice plate again; But axially flow through to the coolant channel of direct and block piece through overflow launder and pore, simplify the flow passage route of movable valve plug.
Description of drawings
Fig. 1 is the structure cutaway view of first embodiment of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the structure cutaway view of second embodiment of the utility model;
Fig. 4 is the structure cutaway view of the 3rd embodiment of the utility model;
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1, shown in 2, be first embodiment of the utility model.
A kind of idle call short-tube restrictor valve comprises valve body 1 in a tubular form, and valve body 1 is generally processed by copper or aluminium or steel pipe, and the internal diameter of valve body 1 is Φ 5～Φ 30mm.
Be provided with the quiet spool 2 that directly fixedly installs with this valve body 1 in the valve body 1, quiet spool 2 has only one, and quiet spool 2 only have one run through its axle center capillary porosity duct 21; Because the outer peripheral face and valve body 1 inner peripheral surface of quiet spool 2 are smooth surface; Therefore, be fixed together with mode between quiet spool 2 outer peripheral faces and valve body 1 inwall, specifically can adopt following fashion of extrusion through extruding; On quiet spool 2 outer peripheral faces, be provided with one or more cannelure 22 in advance; Again in the valve body 1 outside application of force, the inwall of valve body 1 is snapped in the described cannelure 22 through extruding, so that valve body 1 and quiet spool 2 strong bonded; The cross section of this cannelure 22 is good with semicircle, also can rectangle or square.
In valve body 1, also be provided with two movable valve plugs of valve body 1 axial slip relatively; Be respectively first movable valve plug 3 and second movable valve plug 4; First movable valve plug 3 and second movable valve plug 4 are positioned at the both sides of quiet spool 2, and first movable valve plug 3 has one and runs through first pore 31 in its axle center, and are distributed at least two overflow launders that axially run through 32 of these first movable valve plug, 3 outer peripheral edges; Overflow launder 32 in the present embodiment has four; Second movable valve plug 4 only have one run through its axle center second pore 41, quiet spool 2 can adopt copper, aluminium, steel or plastics to process with each movable valve plug 3,4, and quiet spool 2 and each movable valve plug 3,4 be with valve body 1 inner chamber match cylindric.
Also be provided with in the valve body 1 and have first block piece 5 and second block piece 6 that supplies the passage 51,61 that cold-producing medium passes through; These two block pieces 5,6 be separately positioned in the valve body 1 two ends and with valve body 1 relative fixed; First movable valve plug 3 is between first block piece 5 and quiet spool 2, and second movable valve plug 4 is between second block piece 6 and quiet spool 2.
First and second block piece 5,6 is back-up ring in the present embodiment, on the outer peripheral face of first and second block piece 5,6, is provided with cannelure 52,62 respectively in advance, and the inwall of valve body 1 snaps in the described cannelure 52,62 through extruding.
Two ends in the valve body 1 also are respectively arranged with first screen pack 7 and second screen pack, 8, the first screen packs 7 and second screen pack 8 and valve body 1 relative fixed.
As shown in Figure 3, be second embodiment of the utility model.
The difference of present embodiment and first embodiment is: first block piece 5 is for being formed on the bulge loop of convex on valve body 1 inwall; Second block piece 6 is a back-up ring, on the outer peripheral face of second block piece 6, is provided with cannelure 62 respectively in advance, and the inwall of valve body 1 snaps in the cannelure 62 through extruding.
As shown in Figure 4, be the 3rd embodiment of the utility model.
The difference of present embodiment and first embodiment is:
Also be provided with a bushing pipe 9 between quiet spool 2, first movable valve plug 3, second movable valve plug 4, first block piece 5 and second block piece 6 and valve body 1 inwall; These bushing pipe 9 usefulness metal materials are processed; Mode through extruding between the outer peripheral face of bushing pipe 8 and valve body 1 inwall is fixed together; Be provided with one or more cannelure 22 respectively in advance on quiet spool 2 outer peripheral faces; Mode through extruding between bushing pipe 9 outer peripheral faces and valve body 1 inwall is fixed together, and simultaneously, said bushing pipe 9 extruding snap onto in the described cannelure 22.
First and second block piece 5,6 and bushing pipe 9 extruding are fixed together, and promptly on the outer peripheral face of first and second block piece 5,6, are provided with cannelure 52,62 respectively in advance, and the inwall of bushing pipe 9 snaps in the cannelure 52,62 through extruding.
Aforementioned first screen pack 7 and second screen pack 8 and bushing pipe 9 relative fixed.
The operation principle and the process of this choke valve are following:
When cold-producing medium flows into from valve body 1 left end; Cold-producing medium flows into through the passage 51 of first block piece 5; And promote first movable valve plug 3 and move to right, in first movable valve plug, 3 moving process, cold-producing medium is through the pore on first movable valve plug 3 31 and each overflow launder 32; Move under the low order end state at first movable valve plug 3; The left side contact matching of the right side of first movable valve plug 3 and quiet spool 2, the left side of quiet spool 2 blocks the overflow launder 32 on first movable valve plug 3, and the pore 31 on first movable valve plug 3 communicates with the capillary porosity duct 21 of quiet spool 2 simultaneously; Cold-producing medium can only pass through from the capillary porosity duct 21 of pore on first movable valve plug 3 31 and quiet spool 2, realizes dynamic throttling for the first time; Cold-producing medium continues to turn right mobile; And promote second movable valve plug 4 and move to right, in second movable valve plug, 4 moving process, cold-producing medium is through the pore 41 on second movable valve plug 4; Move under the low order end state at second movable valve plug 4; Second movable valve plug 4 stops to move under the stopping of second block piece 6, and cold-producing medium communicates with passage 61 on second block piece 6 via the pore 41 on second movable valve plug 4, realizes dynamic throttling for the second time.
When cold-producing medium when valve body 1 right-hand member flows into, its course of work just with on the contrary, this no longer tired stating.
Claims (7)
1. idle call short-tube restrictor valve; Comprise valve body (1) in a tubular form; Be provided with the quiet spool (2) that is provided with this valve body (1) relative fixed and the movable valve plug of valve body (1) axial slip relatively in the valve body (1), it is characterized in that: said quiet spool (2) has only one, and quiet spool (2) only have one run through its axle center capillary porosity duct (21); Said movable valve plug has two both sides that are positioned at quiet spool (2); Be respectively first movable valve plug (3) and second movable valve plug (4), wherein, first movable valve plug (3) have one run through its axle center first pore (31); And be distributed in this first movable valve plug (3) at least two overflow launders that axially run through of outer peripheral edges (32); Second movable valve plug (4) only have one run through its axle center second pore (41), also be provided with in the valve body (1) and have first block piece (5) and second block piece (6) that supplies the passage (51,61) that cold-producing medium passes through, these two block pieces (5,6) be separately positioned on the interior two ends of valve body (1) and with valve body (1) relative fixed; Said first movable valve plug (3) is positioned between first block piece (5) and the quiet spool (2), and said second movable valve plug (4) is positioned between second block piece (6) and the quiet spool (2).
2. idle call short-tube restrictor valve according to claim 1; It is characterized in that: the two ends in the said valve body (1) also are respectively arranged with first screen pack (7) and second screen pack (8), said first screen pack (7) and second screen pack (8) and valve body (1) relative fixed.
3. idle call short-tube restrictor valve according to claim 1; It is characterized in that: said first and second block piece (5,6) is back-up ring; On the outer peripheral face of first and second block piece (5,6), be provided with cannelure (52,62) respectively in advance, the inwall of said valve body (1) snaps in the described cannelure (52,62) through extruding.
4. idle call short-tube restrictor valve according to claim 1 is characterized in that: said first block piece (5) is for being formed on the bulge loop of convex on valve body (1) inwall; Said second block piece (6) is a back-up ring, on the outer peripheral face of second block piece (6), is provided with cannelure (62) respectively in advance, and the inwall of said valve body (1) snaps in the described cannelure (62) through extruding.
5. idle call short-tube restrictor valve according to claim 1; It is characterized in that: also be provided with a bushing pipe (9) between said quiet spool (2), first movable valve plug (3), second movable valve plug (4), first block piece (5) and second block piece (6) and valve body (1) inwall; Be provided with one or more cannelure (22) respectively in advance on described quiet spool (2) outer peripheral face; Mode through extruding between described bushing pipe (9) outer peripheral face and valve body (1) inwall is fixed together; Simultaneously, said bushing pipe (9) extruding snaps onto in the described cannelure (22).
6. idle call short-tube restrictor valve according to claim 5; It is characterized in that: said first and second block piece (5,6) is back-up ring; On the outer peripheral face of first and second block piece (5,6), be provided with cannelure (52,62) respectively in advance, the inwall of said bushing pipe (9) snaps in the described cannelure (52,62) through extruding.
7. idle call short-tube restrictor valve according to claim 5; It is characterized in that: the two ends in the said bushing pipe (9) also are respectively arranged with first screen pack (7) and second screen pack (8), said first screen pack (7) and second screen pack (8) and bushing pipe (9) relative fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204099198U CN202371943U (en) | 2011-10-25 | 2011-10-25 | Short pipe throttling valve for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204099198U CN202371943U (en) | 2011-10-25 | 2011-10-25 | Short pipe throttling valve for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371943U true CN202371943U (en) | 2012-08-08 |
Family
ID=46595641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204099198U Expired - Fee Related CN202371943U (en) | 2011-10-25 | 2011-10-25 | Short pipe throttling valve for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371943U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673427A (en) * | 2012-09-21 | 2014-03-26 | 珠海格力电器股份有限公司 | Throttling tool and refrigerant recovery device with same |
| CN106949676A (en) * | 2017-05-12 | 2017-07-14 | 吴亚妹 | A kind of bidirectional throttling valve of unidirectional variable restrictor |
| CN108469136A (en) * | 2018-05-28 | 2018-08-31 | 苏州市华瑞热控制技术有限公司 | Throttle valve and the refrigeration system for being equipped with the throttle valve |
-
2011
- 2011-10-25 CN CN2011204099198U patent/CN202371943U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673427A (en) * | 2012-09-21 | 2014-03-26 | 珠海格力电器股份有限公司 | Throttling tool and refrigerant recovery device with same |
| CN103673427B (en) * | 2012-09-21 | 2016-08-24 | 珠海格力电器股份有限公司 | Throttling tool and refrigerant recovery device with same |
| CN106949676A (en) * | 2017-05-12 | 2017-07-14 | 吴亚妹 | A kind of bidirectional throttling valve of unidirectional variable restrictor |
| CN108469136A (en) * | 2018-05-28 | 2018-08-31 | 苏州市华瑞热控制技术有限公司 | Throttle valve and the refrigeration system for being equipped with the throttle valve |
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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: 20120808 Termination date: 20161025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |