CN101392976A - Domestic air conditioner throttle pipe - Google Patents
Domestic air conditioner throttle pipe Download PDFInfo
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- CN101392976A CN101392976A CNA2008101214159A CN200810121415A CN101392976A CN 101392976 A CN101392976 A CN 101392976A CN A2008101214159 A CNA2008101214159 A CN A2008101214159A CN 200810121415 A CN200810121415 A CN 200810121415A CN 101392976 A CN101392976 A CN 101392976A
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- valve plug
- movable valve
- quiet spool
- quiet
- pore
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/38—Expansion means; Dispositions thereof specially adapted for reversible cycles, e.g. bidirectional expansion restrictors
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- General Engineering & Computer Science (AREA)
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- Multiple-Way Valves (AREA)
Abstract
The invention relates to a domestic air-conditioning throttle pipe, which comprises a tubular valve body (1), wherein two static valve cores and a dynamic valve core (4) are at least arranged inside the valve body (1); the dynamic valve core (4) is arranged inside the valve body by means of axially sliding opposite to the valve body but being incapable of rotating around the axial line of the dynamic valve core (4), and is provided with two axial through pores (41 and 42); one static valve core between the two static valve cores which are adjacent to the dynamic valve core is only provided with one axial through overflow channel which aligns to one pore on the dynamic valve core simultaneously; and an axial through pore channel which aligns to the other pore on the dynamic valve core is arranged on the other static valve core. Fluid is staggered in flowing paths on both ends of the valve body and is not in the same axial line, and the fact that a refrigerant of the prior throttle pipe flows along the direction of a central axial line is changed. As shown by experiences, connecting channels which are formed between the dynamic valve core and the static valve cores on both sides are not in the same axial line, so that better throttling effect of the throttle pipe can be guaranteed.
Description
Technical field
The invention belongs to the technical field of air-conditioning, relate in particular to a kind of throttle pipe of household air conditioner.
Background technology
Throttle structure in the small-type refrigeration appliances such as existing domestic air conditioning generally adopts choke valve or throttle block structure, as 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, the valve body middle part has through hole, its large aperture part has a spool, the spool middle part has spray orifice, and an end of importing and exporting relatively on valve body 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 importing and exporting relatively on valve body is connected with filter screen.
As a patent No. 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, and it 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 by the throttling of main aperture plate central small hole.
As a patent No. is a kind of choke valve the Chinese utility model patent " bi-directional secondary choke valve " of ZL200720107950.X (notification number is CN201027999Y) has disclosed, 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.
Motion block in above-mentioned each throttle pipe (also being movable valve plug) has only a pore that runs through the axle center, corresponding, the pore of piece (also being quiet spool) on it of deciding that is positioned at these motion block both sides also runs through its axle center, so motion block and each pore of being positioned on the motion block of both sides are positioned on the same axis.
Summary of the invention
Technical problem to be solved by this invention is to provide the out of line throttle pipe of household air conditioner of interface channel that constitutes between the quiet spool of a kind of movable valve plug and both sides at above-mentioned prior art present situation, and has better restriction effect equally.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of throttle pipe of household air conditioner, include tubular valve body, at least be provided with two quiet spools that are provided with this valve body relative fixed in the valve body, an and movable valve plug, this movable valve plug is arranged between two adjacent quiet spools, it is characterized in that: described movable valve plug only relatively the valve body axial slip and relatively valve body rotate around himself axis; Described movable valve plug has two pores that axially run through, in described two quiet spools adjacent with this movable valve plug, one of them quiet spool only has the spout hole passage that axially runs through, and this spout hole passage is one, simultaneously, this spout hole passage aligns with a pore on the movable valve plug; Have the capillary porosity duct that axially runs through on another quiet spool, this capillary porosity duct aligns with another pore on the movable valve plug.
The left and right sides both ends of the surface of above-mentioned movable valve plug and to be adjacent between the inner face of two quiet spools be that plane contact cooperates, plane contact cooperates the structure that can simplify movable valve plug and quiet spool.Certainly, the end face of movable valve plug and each quiet spool cooperates, for plane contact cooperates, cooperate for conical surface contact between the corresponding inner face of another end face of this movable valve plug and another the quiet spool that is adjacent between the corresponding inner face of an end face of described movable valve plug and a quiet spool that is adjacent.
Above-mentioned quiet spool can have two, is respectively the first quiet spool, the second quiet spool; Wherein, the first quiet spool only has the first spout hole passage that axially runs through, and this first spout hole passage is one, and simultaneously, a pore on the first spout hole passage and the movable valve plug is aligned on the same axis; The second quiet spool only has second capillary porosity duct that axially runs through, and second capillary porosity duct is one, and another pore on this second capillary porosity duct and the movable valve plug is aligned on the same axis.Adopt two structures that quiet spool is the comparison routine.
The pore end of aliging with the first spout hole passage on the described movable valve plug has the cavity of bore greater than this pore diameter, and when movable valve plug contacted cooperation with the first quiet spool, this cavity communicated with the first spout hole passage; The pore end of aliging with second capillary porosity duct on the described movable valve plug has the cavity of bore greater than this capillary porosity duct diameter, and when movable valve plug contacted cooperation with the second quiet spool, this cavity communicated with second capillary porosity duct; The end that described second capillary porosity duct is adjacent with movable valve plug also has the cavity of a bore greater than this capillary porosity duct diameter.
Pore end at movable valve plug is provided with curved cavity, and curved cavity is set in the capillary porosity duct end of quiet spool, can make the cold-producing medium that flows through the cavity place have a process that expands and amplify, guarantee flow of refrigerant speed, the experiment proved that, when having a suitable expansion amplification process can guarantee the restriction effect of this throttle pipe through the cold-producing medium behind the left quiet spool pore; And can produce the power of bigger promotion movable valve plug, movable valve plug working sensitivity height is further guaranteed restriction effect.
Above-mentioned quiet spool also can have three, is respectively the first quiet spool, the second quiet spool, the 3rd quiet spool, and the first quiet spool is positioned at movable valve plug one side, and second and third quiet spool is positioned at the opposite side of movable valve plug simultaneously, and second and third quiet valve core chamber is every setting; Wherein, the first quiet spool only has the first spout hole passage that axially runs through, and this first spout hole passage is one, and simultaneously, a pore on the first spout hole passage and the movable valve plug is aligned on the same axis; The second quiet spool is adjacent with movable valve plug, the second quiet spool have respectively with movable valve plug on two pores be aligned in second capillary porosity duct and the second spout hole passage on the same axis; The 3rd quiet spool is provided with described second capillary porosity duct and is aligned in the 3rd capillary porosity duct on the same axis.
Adopt a plurality of quiet valve core structures, the axial length of single quiet spool is shortened relatively, processing spout hole or pore are simple relatively on this monomer, also have through experiment and learn, when the form that adopts a plurality of quiet spool splicings, can on each quiet spool, offer the passage that different structure passes through for cold-producing medium, can change the restriction effect of throttle pipe, it is different to be that the quiet spool of its monoblock type with same axial length is compared restriction effect, make the adaptability of this throttle pipe stronger, the restriction effect of conveniently adjusted throttle pipe.
The pore end of aliging with the first spout hole passage on the described movable valve plug has the cavity of bore greater than this pore diameter, and when movable valve plug contacted cooperation with the first quiet spool, this cavity communicated with the first spout hole passage; The pore end of aliging with second capillary porosity duct on the described movable valve plug has the cavity of bore greater than this pore diameter, and when movable valve plug contacted cooperation with the second quiet spool, this cavity communicated with second capillary porosity duct; The end that described second capillary porosity duct is adjacent with movable valve plug also has the cavity of a bore greater than this capillary porosity duct diameter; The end of described the 3rd capillary porosity duct has the cavity of bore greater than this pore diameter.
General air-conditioning throttle pipe, described each quiet spool directly and valve interior wall fix.Because the outer peripheral face and the valve body inner peripheral surface of each quiet spool are smooth structure, therefore, be fixed together to good in mode between quiet spool outer peripheral face of above-mentioned each and the valve interior wall by extruding, the mode of extruding has the simple advantage in location.Bigger because of each quiet spool wall thickness again, and the valve body tube wall is thinner, still can on each quiet spool outer peripheral face, be provided with one or more cannelure respectively in advance, again in the outside application of force of valve body, the valve interior wall extruding is snapped onto in the described cannelure, can make valve body and left and right quiet spool strong bonded like this.
Movable valve plug links to each other by keyway arrangements between described movable valve plug and the valve body, so that can only move and can not be around himself axis rotation relative to valve body.This keyway arrangements can be to be extended with one or morely along its flat keys that axially are provided with at valve interior wall, and is provided with the chute that matches with this flat key on the periphery wall of movable valve plug, and flat key can slippage relatively in chute, and the setting of keyway can effectively prevent the movable valve plug rotation; Certainly also aforementioned keyway arrangements can be provided with conversely.
Also be provided with a bushing pipe between the quiet spool of above-mentioned each and movable valve plug and the valve interior wall, this bushing pipe and described valve interior wall are fixed, described each quiet valve core chamber is in being fixed in described bushing pipe, and the outer face of two quiet spools of outermost end flushes with the both ends of the surface of described bushing pipe respectively.Increasing the bushing pipe structure can make the installation location of each quiet spool and movable valve plug simple and accurate, the bushing pipe of appropriate length is set as required, earlier movable valve plug being put into bushing pipe packs each quiet spool into then from the bushing pipe two ends, only need to keep the outer face of outermost end two quiet spools to flush respectively with the bushing pipe both ends of the surface, each parts is in place, therefore installs very convenient; According to the profile and the size of quiet spool, we can just can record where to push bushing pipe in the bushing pipe outside simultaneously, so the location of quiet spool is also accurately convenient.
Because bushing pipe outer peripheral face and valve body inner peripheral surface are smooth structure, be fixed together to good in mode between therefore above-mentioned bushing pipe outer peripheral face and the valve interior wall by extruding, the mode of extruding has the simple advantage in location; In like manner, because each quiet spool outer peripheral face is level and smooth, also be fixed together between described each quiet spool outer peripheral face and the bushing pipe inwall by the mode of pushing.Bigger because of each quiet spool wall thickness again, and the tube wall of valve body and bushing pipe is thinner, still can on each quiet spool outer peripheral face, be provided with one or more cannelure respectively in advance, again in the outside application of force of valve body, the bushing pipe inwall is expressed in the described cannelure, simultaneously, valve interior wall also can correspondingly be expressed on the bushing pipe outer wall, can make like this valve body and left and right quiet spool strong bonded.
Movable valve plug links to each other by keyway arrangements between described movable valve plug and the bushing pipe, so that can only move and can not be around himself axis rotation relative to bushing pipe.This keyway arrangements can be to be extended with one or morely along its flat keys that axially are provided with at the bushing pipe inwall, and is provided with the chute that matches with this flat key on the periphery wall of movable valve plug, and flat key can slippage relatively in chute, and the setting of keyway can effectively prevent the movable valve plug rotation; Certainly also aforementioned keyway arrangements can be provided with conversely.
" left side ", " right side " in " left quiet spool " in above-mentioned, " right quiet spool ", " on the movable valve plug about end " they only are for the convenience on narrating, and make the narration of each spool relativeness more clear, rather than to the qualification in space; In fact, when the valve body Rotate 180 ° was provided with, " left side ", " right side " in the narration just exchanged above.
Compared with prior art, the invention has the advantages that: it is provided with two pores that axially run through on movable valve plug, and adjacent quiet spool is provided with one of them pore with described movable valve plug and is aligned in spout hole on the same axis therein, and being provided with another pore with described movable valve plug, another adjacent quiet spool is aligned in capillary porosity duct on the same axis, stagger in the path flow through from the valve body two ends of fluid like this, not on same axis, change path that its cold-producing medium of throttle pipe in the past flows through from the valve body two ends from folded, promptly flow through the path for flowing along the axis direction; Our experiments show that the interface channel that constitutes between the quiet spool in movable valve plug and both sides can not guaranteed this throttle pipe restriction effect preferably on same axis, the conversion that the flow of refrigerant velocity variations that flows through from the valve body two ends adapts to the domestic air conditioning refrigeration more and heats.
Description of drawings
Fig. 1 is the structure cutaway view of the 1st embodiment of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the structure cutaway view of the 2nd embodiment of the present invention;
Fig. 4 is that the B-B of Fig. 3 is to cutaway view
Fig. 5 is the structure cutaway view of the 3rd embodiment of the present invention;
Fig. 6 is the structure cutaway view of the 4th embodiment of the present invention;
Fig. 7 is the structure cutaway view of the 5th embodiment of the present invention;
Fig. 8 is the structure cutaway view of the 6th embodiment of the present invention;
Fig. 9 is the structure cutaway view of the 7th embodiment of the present invention;
Figure 10 is the structure cutaway view of the 8th embodiment of the present invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Be first embodiment of the present invention as shown in Figure 1, 2.
A kind of throttle pipe of household air conditioner includes tubular valve body 1, and valve body 1 is generally made by copper or aluminium or steel pipe, and described valve body is cylindrical, and the internal diameter of valve body 1 is Φ 5～Φ 30mm; Be interval with two quiet spools that directly fixedly install with described valve body 1 in the valve body 1, be followed successively by first and second quiet spool 2,3 from right to left respectively, in valve body 1, also be provided with valve body 1 axial slip and the movable valve plug 4 between first and second quiet spool 2,3 relatively, distance between first and second quiet spool 2,3 is greater than the axial dimension of movable valve plug 4, to guarantee that movable valve plug 4 can slippage between first and second quiet spool 2,3.Described each quiet spool 2,3 and movable valve plug 4 can adopt copper, aluminium, steel or plastics to make, and each quiet spool 2,3 and movable valve plug 4 be with valve body 1 inner chamber match cylindric.
Wherein, the outer peripheral face of described movable valve plug 4 contacts with valve body 1 inner wall sealing, links to each other by keyway arrangements between movable valve plug 4 and the valve body 1, so that movable valve plug can only move and can not be around himself axis rotation relative to valve body.This keyway arrangements can be to be extended with one or more flat keys 8 along its axial setting at valve body 1 inwall, present embodiment is a flat key 8, and on the periphery wall of movable valve plug 4, be provided with the chute 9 that matches with this flat key 8, flat key 8 can be in chute 9 slippage relatively, also aforementioned keyway arrangements can be provided with conversely certainly.
Described movable valve plug 4 has two pores that axially run through 41,42, and these two pores 41,42 are located at the both sides of movable valve plug 4 axis, can certainly be that a pore is positioned at the place, axis, and another pore is positioned at by the axis.
The described first quiet spool 2 only has the first spout hole passage 21 that axially runs through, and this first spout hole passage 21 is one, and simultaneously, the first spout hole passage 21 is aligned on the same axis with that pore 41 of top on the movable valve plug 4.The cross section of the described first spout hole passage 21 is a circular hole, and the spout hole passage ratio of circular hole is easier to processing.Certainly cross section also can be circular hole, square hole, tri-angle-holed, polygonal hole or mounting hole.And the cross-sectional area of this first spout hole passage 21 is greater than the cross-sectional area of pore 41 on the movable valve plug 4.
It is one that the described second quiet spool 3 only has second capillary porosity duct, 31, the second capillary porosity ducts 31 that axially run through, and that pore 42 of bottom on this second capillary porosity duct 31 and the movable valve plug 4 is aligned on the same axis.
Cooperate for plane contact between the inner face of the left and right sides both ends of the surface of described movable valve plug 4 and first and second quiet spool 2,3.
The aperture of described second capillary porosity duct 31, pore 41,42 is Φ 0.8～Φ 3mm.Through experiment as can be known, when the aperture of pore or capillary porosity duct during less than 0.8mm, cold-producing medium almost can not pass through pore, when the aperture of pore during greater than 3mm, pore can not play the effect of throttling again, therefore, above-mentioned first capillary porosity duct 21, the aperture of pore 41 are Φ 0.8～Φ 3mm.Pore then restriction effect less than normal is good more in this scope.
Move under the low order end state at movable valve plug 4, described movable valve plug 4 right sides cooperate with the left side plane contact of the first quiet spool 2, the left side of the described first quiet spool 2 blocks that pore 42 of the bottom on the movable valve plug, and the pore 41 on the movable valve plug 4 communicates with the described first spout hole passage 21 simultaneously.
Move under the high order end state at movable valve plug 4, described movable valve plug 4 left sides cooperate with the right side plane contact of the second quiet spool 3, the right side of the described second quiet spool 3 blocks that pore 41 of the top on the movable valve plug, and that pore 42 of bottom on the movable valve plug 4 is communicated with second capillary porosity duct 31 of the second quiet spool 3 simultaneously.
Because the outer peripheral face and valve body 1 inner peripheral surface of first and second quiet spool 2,3 are smooth structure, therefore, the mode by extruding between quiet spool 2,3 outer peripheral faces of above-mentioned each and valve body 1 inwall is fixed together.Extruding can be in the following way, on each quiet spool 2,3 outer peripheral face, be provided with one or more cannelure 22,33 respectively in advance, again in the valve body 1 outside application of force, valve body 1 inwall is expressed in the described cannelure 22,33, be convenient to like this valve body 1 and first and second quiet spool 2,3 strong bonded, the cross section of this cannelure 22,33 is good with semicircle, also can rectangle or square.
Be depicted as second embodiment of the present invention as Fig. 3,4.
The difference of this embodiment and first embodiment is, it also is provided with a bushing pipe 6 between first and second quiet spool 2,3 and movable valve plug 4 and valve body 1 inwall, these bushing pipe 6 usefulness metal materials are made, and this bushing pipe 6 is fixed together with the mode of described valve body 1 inwall by extruding.
Described each quiet spool 2,3 fixed interval are in described bushing pipe 6, and promptly each quiet spool 2,3 is fixed with valve body 1 indirectly, and the outer face of first and second quiet spool 2,3 flushes respectively with the both ends of the surface of described bushing pipe 6.Mode by extruding between described bushing pipe 6 outer peripheral faces and valve body 1 inwall is fixed together, and also is fixed together by the mode of pushing between described each quiet spool 2,3 outer peripheral face and bushing pipe 6 inwalls.Extruding can be in the following way, on each quiet spool 2,3 outer peripheral face, be provided with one or more cannelure 22,33 respectively in advance, again in the valve body 1 outside application of force, bushing pipe 6 inwalls are expressed in the described cannelure 22,33, simultaneously, valve body 1 inwall also can correspondingly be expressed on bushing pipe 6 outer walls, can make like this valve body 1 and each quiet spool 2,3 strong bonded, the cross section of this cannelure 22,33 is good with semicircle, also can rectangle or square.
As shown in Figure 5, be the 3rd embodiment of the present invention.
The difference of itself and first embodiment is, pore 41 ends of aliging with the first spout hole passage 21 on the described movable valve plug 4 have the cavity 411 of bore greater than these pore 41 diameters, when movable valve plug 4 contacted cooperation with the first quiet spool 2, this cavity 411 communicated with the first spout hole passage 21; Pore 42 ends of aliging with second capillary porosity duct 31 on the described movable valve plug 4 have the cavity 421 of bore greater than these capillary porosity duct 31 diameters, and when movable valve plug 4 contacted cooperation with the second quiet spool 3, this cavity 421 communicated with second capillary porosity duct 31; Described second capillary porosity duct 31 and movable valve plug 4 adjacent ends also have the cavity 311 of a bore greater than these capillary porosity duct 31 diameters.
As shown in Figure 6, be the 4th embodiment of the present invention.
The difference of itself and the 3rd embodiment is that it also is provided with a bushing pipe 6 between first and second quiet spool 2,3 and movable valve plug 4 and valve body 1 inwall, but the concrete set-up mode reference example two of bushing pipe 6.
The operation principle of aforementioned one～four embodiment and process are identical:
When cold-producing medium flows into from valve body 1 left end, cold-producing medium flows into from second capillary porosity duct 31 of the second quiet spool 3 that is positioned at movable valve plug 4 left ends, and promotion movable valve plug 4 moves to right, move under the low order end state at movable valve plug 4, that pore 41 of top on the movable valve plug 4 is communicated with the first spout hole passage 21 on the first quiet spool 2, the left side of the first quiet spool 2 blocks that pore 42 of the bottom on the movable valve plug 4 simultaneously, cold-producing medium can only pass through second capillary porosity duct 31 of the second quiet spool 3 successively, the first spout hole passage 21 of that pore 41 of the top on the movable valve plug 4 and the first quiet spool 2 is to play the effect of throttling.
When cold-producing medium when valve body 1 right-hand member flows into, cold-producing medium flows into from the first spout hole passage 21 of the first quiet spool 2 that is positioned at movable valve plug 4 right-hand members, and promotion movable valve plug 4 moves to left, move under the high order end state at movable valve plug 4, that pore 42 of bottom on the movable valve plug 4 is communicated with second capillary porosity duct 31 on the second quiet spool 3, the right side of the second quiet spool 3 blocks that pore 41 of the top on the movable valve plug 4 simultaneously, cold-producing medium can only pass through the first spout hole passage 21 of the first quiet spool 2 successively, second capillary porosity duct 31 of that pore 42 of the bottom on the movable valve plug 4 and the second quiet spool 3 is to play the effect of throttling.
Cold-producing medium from two ends, the left and right sides by the time because the path difference, cold-producing medium is by the length difference of pore, the cold-producing medium flow velocity difference of promptly passing through from two ends, and then realize adapting to refrigeration and heating condition transforms mutually.
In the 3rd, 4 embodiment, in the time of in cold-producing medium flows to cavity 421,311, cold-producing medium has a process that expands a little suddenly, guarantees the smooth and easy of flow of refrigerant.
As shown in Figure 7, be the 5th embodiment of the present invention.
The difference of itself and first embodiment is, described quiet spool has three, be respectively first quiet spool 2, second quiet spool the 3, the 3rd quiet spool 5 from right to left, the first quiet spool 2 is positioned at movable valve plug 4 right sides, second and third quiet spool 3,5 is positioned at the left side of movable valve plug 4 simultaneously, and second and third quiet spool 3,5 is provided with at interval; Wherein, the first quiet spool 2 only has the first spout hole passage 21 that axially runs through, and this first spout hole passage 21 is one, and simultaneously, the first spout hole passage 21 is aligned on the same axis with a pore 41 on the movable valve plug; The second quiet spool 3 is adjacent with movable valve plug 4, the second quiet spool 3 have respectively with movable valve plug 4 on two pores 41,42 be aligned in the second spout hole passage 32 and second capillary porosity duct 31 on the same axis; The 3rd quiet spool 5 is provided with the 3rd capillary porosity duct 51, is provided with one or more cannelure 52 in advance on the 3rd quiet spool 5 outer peripheral faces.
Move under the low order end state at movable valve plug 4, described movable valve plug 4 right sides cooperate with the left side plane contact of the first quiet spool 2, the left side of the described first quiet spool 2 blocks that pore 42 of the bottom on the movable valve plug 4, and that pore 41 of top on the movable valve plug 4 communicates with the described first spout hole passage 21 simultaneously.
Move under the high order end state at movable valve plug 4, described movable valve plug 4 left sides cooperate with the right side plane contact of the second quiet spool 3, that pore 41 of top on the described movable valve plug 4 is communicated with the second spout hole passage 32 on the second quiet spool 3, and that pore 42 of bottom on the movable valve plug 4 is communicated with second capillary porosity duct 31 of the second quiet spool 3 simultaneously.
As shown in Figure 8, be the 6th embodiment of the present invention.
The difference of itself and the 5th embodiment is, it also is provided with a bushing pipe 6 between first, second and third quiet spool 2,3,5 and movable valve plug 4 and valve body 1 inwall, on the 3rd quiet spool 5 outer peripheral faces, be respectively equipped with one or more cannelure 52, but the concrete set-up mode reference example two of bushing pipe 6.
As shown in Figure 9, be the 7th embodiment of the present invention.
The difference of itself and the 5th embodiment is, pore 41 ends of aliging with the first spout hole passage 21 on the described movable valve plug 4 have the cavity 411 of bore greater than this pore diameter, when movable valve plug 4 contacted cooperation with the first quiet spool 2, this cavity 411 communicated with the first spout hole passage 21; Pore 42 ends of aliging with second capillary porosity duct 31 on the described movable valve plug 4 have the cavity 421 of bore greater than this capillary porosity duct diameter, and when movable valve plug 4 contacted cooperation with the second quiet spool 3, this cavity 421 communicated with second capillary porosity duct 31; Described second capillary porosity duct 31 and movable valve plug 4 adjacent ends also have the cavity 311 of a bore greater than this capillary porosity duct diameter.
Second capillary porosity duct 31 on the 3rd capillary porosity duct 51 on the described the 3rd quiet spool 5 and the second quiet spool 3 is aligned on the same axis, and the end of the 3rd capillary porosity duct 51 has the cavity 511 of bore greater than this pore diameter.
As shown in figure 10, be the 8th embodiment of the present invention.
The difference of itself and the 7th embodiment is that it also is provided with a bushing pipe 6 between first, second and third quiet spool 2,3,5 and movable valve plug 4 and valve body 1 inwall, but the concrete set-up mode reference example two of bushing pipe 6.
The operation principle of embodiment 5～8 and embodiment 1～4 operation principle are basic identical,
When cold-producing medium flows into from valve body 1 left end, cold-producing medium flows into from the 3rd capillary porosity duct 51 of the 3rd quiet spool 5, the second spout hole passage 32 and second capillary porosity duct 31 by the second quiet spool 3, and promotion movable valve plug 4 moves to left, move under the low order end state at movable valve plug 4, that pore 41 of top on the movable valve plug 4 is communicated with the first spout hole passage 21 on the first quiet spool 2, the left side of the first quiet spool 2 blocks that pore 42 of the bottom on the movable valve plug 4 simultaneously, cold-producing medium can only pass through the 3rd capillary porosity duct 51 of the 3rd quiet spool 5 successively, second capillary porosity duct 31 of the second quiet spool 3 and the second spout hole passage 32, first capillary porosity duct 21 of that pore 41 of the top on the movable valve plug 4 and the first quiet spool 2 is to play the effect of throttling.
When cold-producing medium when valve body 1 right-hand member flows into, cold-producing medium flows into from the first spout hole passage 21 of the first quiet spool 2 that is positioned at movable valve plug 4 right-hand members, and promotion movable valve plug 4 moves to right, move under the high order end state at movable valve plug 4, that pore 42 of bottom on the movable valve plug 4 is communicated with second capillary porosity duct 31 on the second quiet spool 3, that pore 41 of top on the while movable valve plug 4 is communicated with the second spout hole passage 32 on the second quiet spool 3, cold-producing medium can only pass through the first spout hole passage 21 of the first quiet spool 2 successively, two pores 41 on the movable valve plug 4,42, second capillary porosity duct 31 of the second quiet spool 3 and the second spout hole passage 32, and the 3rd capillary porosity duct 51 of the 3rd quiet spool 5, to play the effect of throttling.
Cold-producing medium from two ends, the left and right sides by the time because the path difference, cold-producing medium is by the length difference of pore, the cold-producing medium flow velocity difference of promptly passing through from two ends, and then realize adapting to refrigeration and heating condition transforms mutually.
In the 7th, 8 embodiment, in the time of in cold-producing medium flows to cavity 511,311,421,411, cold-producing medium has a process that expands a little suddenly, guarantees the smooth and easy of flow of refrigerant.
Claims (10)
1, a kind of throttle pipe of household air conditioner, include tubular valve body (1), at least be provided with two quiet spools that are provided with this valve body (1) relative fixed in the valve body (1), an and movable valve plug (4), this movable valve plug (4) is arranged between two adjacent quiet spools, it is characterized in that: described movable valve plug (4) is with valve body (1) axial slip relatively and can not be arranged in the valve body around himself axis rotation mode; Described movable valve plug (4) has two pores that axially run through (41,42), in described two quiet spools adjacent with this movable valve plug, one of them quiet spool only has the spout hole passage that axially runs through, and this spout hole passage is one, simultaneously, this spout hole passage aligns with a pore on the movable valve plug; Have the capillary porosity duct that axially runs through on another quiet spool, this capillary porosity duct aligns with another pore on the movable valve plug.
2, throttle pipe of household air conditioner according to claim 1 is characterized in that: the both ends of the surface of described movable valve plug (4) and to be adjacent between the inner face of two quiet spools be that plane contact cooperates.
3, throttle pipe of household air conditioner according to claim 1 is characterized in that: described quiet spool has two, is respectively the first quiet spool (2), the second quiet spool (3); Wherein, the first quiet spool (2) only has the first spout hole passage (21) that axially runs through, and this first spout hole passage (21) is one, and simultaneously, the first spout hole passage (21) is aligned on the same axis with a pore (41) on the movable valve plug (4); The second quiet spool (3) only has second capillary porosity duct (31) that axially runs through, and second capillary porosity duct (31) is one, and another pore (42) on this second capillary porosity duct (31) and the movable valve plug (4) is aligned on the same axis.
4, throttle pipe of household air conditioner according to claim 3, it is characterized in that: described movable valve plug (4) is gone up pore (41) end of aliging with the first spout hole passage (21) and is had the cavity (411) of bore greater than this pore (41) diameter, when movable valve plug (4) contacted cooperation with the first quiet spool (2), this cavity (411) communicated with the first spout hole passage (21); Described movable valve plug (4) is gone up pore (42) end of aliging with second capillary porosity duct (31) and is had the cavity (421) of bore greater than this capillary porosity duct (31) diameter, when movable valve plug (4) contacted cooperation with the second quiet spool (3), this cavity (421) communicated with second capillary porosity duct (31); The end that described second capillary porosity duct (31) is adjacent with movable valve plug (4) also has the cavity (311) of a bore greater than this second capillary porosity duct (31) diameter.
5, throttle pipe of household air conditioner according to claim 1, it is characterized in that: described quiet spool has three, be respectively the first quiet spool (2), the second quiet spool (3), the 3rd quiet spool (5), the first quiet spool (2) is positioned at movable valve plug (4) one sides, second and third quiet spool (3,5) is positioned at the opposite side of movable valve plug (4) simultaneously, and second and third quiet spool (3,5) is provided with at interval; Wherein, the first quiet spool (2) only has the first spout hole passage (21) that axially runs through, and this first spout hole passage (21) is one, and simultaneously, the first spout hole passage (21) is aligned on the same axis with a pore (41) on the movable valve plug; The second quiet spool (3) is adjacent with movable valve plug (4), the second quiet spool (3) have respectively with movable valve plug on two pores (41,42) be aligned in second capillary porosity duct (31) and the second spout hole passage (32) on the same axis; The 3rd quiet spool (5) is provided with described second capillary porosity duct (31) and is aligned in the 3rd capillary porosity duct (51) on the same axis.
6, throttle pipe of household air conditioner according to claim 5, it is characterized in that: described movable valve plug (4) is gone up pore (41) end of aliging with the first spout hole passage (21) and is had the cavity (411) of bore greater than this pore diameter, contact with the first quiet spool (2) when cooperating at movable valve plug (4), this cavity (411) with communicate with the first spout hole passage (21); Described movable valve plug (4) is gone up pore (42) end of aliging with second capillary porosity duct (31) and is had the cavity (421) of bore greater than this pore diameter, when movable valve plug (4) contacted cooperation with the second quiet spool (3), this cavity (421) communicated with second capillary porosity duct (31); The end that described second capillary porosity duct (31) is adjacent with movable valve plug (4) also has the cavity (311) of a bore greater than this capillary porosity duct diameter; The end of the 3rd capillary porosity duct (51) has the cavity (511) of bore greater than this pore diameter.
7, according to the described throttle pipe of household air conditioner of arbitrary claim in the claim 1～6, it is characterized in that: described each quiet spool directly and valve body (1) inwall fix, be provided with one or more cannelure respectively in advance on described each quiet spool outer peripheral face, the inwall of described valve body (1) snaps in the described cannelure by extruding.
8, throttle pipe of household air conditioner according to claim 7 is characterized in that: link to each other by keyway arrangements between described movable valve plug (4) and the valve body (1), so that movable valve plug (4) can only move and can not be around himself axis rotation relative to valve body (1).
9, according to the described throttle pipe of household air conditioner of arbitrary claim in the claim 1～6, it is characterized in that: also be provided with a bushing pipe (6) between described each quiet spool and movable valve plug (4) and valve body (1) inwall, this bushing pipe (6) is fixed with described valve body (1) inwall, described each quiet valve core chamber is in being fixed in described bushing pipe (6), and the outer face of two quiet spools of outermost end flushes with the both ends of the surface of described bushing pipe (6) respectively; Mode by extruding between described bushing pipe (6) outer peripheral face and valve body (1) inwall is fixed together, also be fixed together between described each quiet spool outer peripheral face and bushing pipe (6) inwall by the mode of pushing, be provided with one or more cannelure respectively in advance on each quiet spool outer peripheral face, described bushing pipe (6) snaps onto in the described cannelure by extruding.
10, throttle pipe of household air conditioner according to claim 9 is characterized in that: link to each other by keyway arrangements between described movable valve plug (4) and the bushing pipe (6), so that movable valve plug (4) can only move and can not be around himself axis rotation relative to bushing pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101214159A CN100570248C (en) | 2008-09-28 | 2008-09-28 | A kind of throttle pipe of household air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101214159A CN100570248C (en) | 2008-09-28 | 2008-09-28 | A kind of throttle pipe of household air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101392976A true CN101392976A (en) | 2009-03-25 |
| CN100570248C CN100570248C (en) | 2009-12-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2008101214159A Expired - Fee Related CN100570248C (en) | 2008-09-28 | 2008-09-28 | A kind of throttle pipe of household air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100570248C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of throttle current divider and with its air conditioner |
| CN111750575A (en) * | 2019-03-29 | 2020-10-09 | 浙江盾安禾田金属有限公司 | Two-way throttle valve |
| CN112212020A (en) * | 2020-09-07 | 2021-01-12 | 珠海格力电器股份有限公司 | Pneumatic adjustable throttle valve, refrigerating system and air conditioner |
-
2008
- 2008-09-28 CN CNB2008101214159A patent/CN100570248C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of throttle current divider and with its air conditioner |
| CN108151380B (en) * | 2018-01-05 | 2023-12-26 | 珠海格力电器股份有限公司 | Throttle shunt and air conditioner with same |
| CN111750575A (en) * | 2019-03-29 | 2020-10-09 | 浙江盾安禾田金属有限公司 | Two-way throttle valve |
| CN112212020A (en) * | 2020-09-07 | 2021-01-12 | 珠海格力电器股份有限公司 | Pneumatic adjustable throttle valve, refrigerating system and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100570248C (en) | 2009-12-16 |
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Granted publication date: 20091216 Termination date: 20120928 |