CN201297809Y - Throttling pipe of domestic air conditioner - Google Patents
Throttling pipe of domestic air conditioner Download PDFInfo
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- CN201297809Y CN201297809Y CNU2008201669198U CN200820166919U CN201297809Y CN 201297809 Y CN201297809 Y CN 201297809Y CN U2008201669198 U CNU2008201669198 U CN U2008201669198U CN 200820166919 U CN200820166919 U CN 200820166919U CN 201297809 Y CN201297809 Y CN 201297809Y
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- quiet spool
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Abstract
The utility model relates to a throttling pipe of a domestic air conditioner, which comprises a pipe-shaped valve body; and a left static valve core, a right static valve core and a dynamic valve core are arranged in the valve body; the throttling pipe is characterized in that the dynamic valve core is provided with a first capillary pore and a second capillary pore, the first capillary pore and the second capillary pore are inclined holes, a left-end outlet of the first capillary pore is positioned at an axle center of the dynamic valve core, and a right-end outlet of the second capillary pore is positioned at the axle center of the dynamic valve core; the left static valve core is only provided with a left capillary pore channel penetrating the axle center, and the right static valve core is only provided with a right capillary pore channel penetrating the axle center. Pathways of fluid flowing from two ends of the valve body stagger, and are not in the same axial line, and the throttling pipe changes the condition that the pathways of the refrigerant of the former throttling pipe flowing from two ends of the valve body overlap; furthermore, when the dynamic valve core is positioned in the middle in a moving state, two capillary pores on the dynamic valve core can be for the passing of the refrigerant, therefore, the flow rate of the refrigerant flowing through the dynamic valve core is greater, and the variation of the flow rate of the throttling pipe in the moving process of the dynamic valve core is great.
Description
Technical field
The utility model belongs to the technical field of air-conditioning, relates 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.
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 also as a patent No., 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, the cost height, but also be provided with filter screen, so restriction effect is relatively poor.As improvement, 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 a patent No. is arranged, 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.
Motion block in above-mentioned each throttling arrangement (also cry auxilliary orifice plate or movable valve plug) has only a pore that runs through the axle center, corresponding, its axle center is also run through in the fluid passage of piece (also being quiet spool) on it of deciding that is positioned at these motion block both sides, and motion block and each pore of deciding on the piece of being positioned at both sides are located on the same horizontal axis.There is such defective in above-mentioned each structure, be that the refrigerant flow velocity variable that passes through from two ends, the valve body left and right sides of cold-producing medium is very little, so the restriction effect contrast that two ends, the left and right sides are flow through changes little, and air-conditioning is in refrigeration with heat and need the changes in flow rate contrast bigger in the process, and therefore the restriction effect of existing various throttle pipes also can be further improved.
The utility model content
Technical problem to be solved in the utility model is to provide the interface channel that constitutes between the quiet spool of a kind of movable valve plug and both sides not on same axis and have the throttle pipe of household air conditioner of better restriction effect equally at above-mentioned prior art present situation, and this throttle pipe can improve the result of use on air-conditioning.
The utility model 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, be interval with the left and right quiet spool that is provided with described valve body relative fixed in the valve body, in valve body, also be provided with a valve body axial slip and the movable valve plug between left and right two quiet spools relatively; It is characterized in that: described movable valve plug has two pores that run through, be respectively first pore and second pore, described first, second pore is inclined hole, the left end outlet of first pore is positioned at the place, axle center of movable valve plug, and the right-hand member outlet of second pore is positioned at the place, axle center of movable valve plug; The quiet spool in a described left side only has the left capillary porosity duct that runs through the axle center, and left capillary porosity duct is one, and the quiet spool in the described right side only has the right capillary porosity duct that runs through the axle center, and right capillary porosity duct is one.
For ease of the pore on the processing movable valve plug, the axis of first, second above-mentioned pore is parallel to each other.
For plane contact cooperates, plane contact cooperates the structure that can simplify movable valve plug and quiet spool between the left and right sides both ends of the surface of above-mentioned movable valve plug and the inner face of left and right 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.
Also have the left cavity of a bore greater than left capillary porosity duct diameter on the right side of the quiet spool in an above-mentioned left side, described left capillary porosity duct is connected with this left side cavity; Also have the right cavity of a bore greater than right capillary porosity duct diameter on the left side of the quiet spool in the described right side, described right capillary porosity duct is connected with this right side cavity.
Contact when cooperating with the right side of left quiet spool in the movable valve plug left side, form cavity between the left side of described left cavity and movable valve plug, first pore on the movable valve plug communicates with described cavity simultaneously, like this, when cold-producing medium when the right-hand member of throttle pipe flows into, cold-producing medium enters in the bigger cavity in space after by first pore, cold-producing medium has a process that expands and amplify, guarantee flow of refrigerant speed, the experiment proved that, when having a suitable expansion amplification process can guarantee this throttle pipe restriction effect preferably through the cold-producing medium behind the left capillary porosity duct of left quiet spool.Otherwise, in like manner.The curved cavity that also have to increase, make when cold-producing medium when this quiet spool direction that has capillary porosity duct flows into, cold-producing medium enters and has an effect that expands and amplify in the cavity, produces the power of bigger promotion movable valve plug, the working sensitivity height.
The quiet spool in a described left side is made up of at least two quiet spool monomers in a left side, and the quiet spool monomer in adjacent two left sides fits tightly and forms complete left quiet spool; The quiet spool in the described right side is made up of at least two quiet spool monomers in the right side, and the quiet spool monomer in adjacent two right sides fits tightly and forms complete right quiet spool.
Above-mentioned left quiet spool is made up of at least two quiet spool monomers in a left side, and the quiet spool monomer in adjacent two left sides is provided with at interval; The quiet spool in the described right side is made up of at least two quiet spool monomers in the right side, and the quiet spool monomer in adjacent two right sides is provided with at interval.Be provided with left back-up ring between the described adjacent two left quiet spool monomers; Be provided with right back-up ring between the described adjacent two right quiet spool monomers.
Left and right quiet spool adopts at least two monomers to be spliced, so the axial length of each monomer is short relatively, the processing capillary porosity duct is simple relatively on this monomer, also have through experiment and learn, be spliced when quiet spool adopts two or more monomers, can change the restriction effect of throttle pipe, promptly to compare restriction effect different for the quiet spool of its monoblock type with same axial length, make the adaptability of this throttle pipe stronger, the restriction effect of conveniently adjusted throttle pipe.
General air-conditioning throttle pipe, described left and right quiet spool directly and valve interior wall fix.Because the outer peripheral face and the valve body inner peripheral surface of left and right quiet spool are smooth structure, therefore, be fixed together to good in mode between above-mentioned left and right quiet spool outer peripheral face and the valve interior wall by extruding, the mode of extruding has the simple advantage in location.Bigger because of left and right quiet spool wall thickness again, and the valve body tube wall is thinner, still can on left and right 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.
Also be provided with a bushing pipe between above-mentioned left and right quiet spool and movable valve plug and the valve interior wall, this bushing pipe and described valve interior wall are fixed, described left and right quiet valve core chamber is in being fixed in described bushing pipe, and the outer face of each quiet spool flushes with the both ends of the surface of described bushing pipe respectively.Increasing the bushing pipe structure can make the installation location of two quiet spools 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 two quiet spools into then from the bushing pipe two ends, only need to keep the outer face of 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 left and right quiet spool outer peripheral face is level and smooth, also be fixed together between described left and right quiet spool outer peripheral face and the bushing pipe inwall by the mode of pushing.Bigger because of left and right quiet spool wall thickness again, and the tube wall of valve body and bushing pipe is thinner, still can on left and right 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.
Compared with prior art, advantage of the present utility model is: it is provided with two pores that run through on movable valve plug, be respectively first pore and second pore, described first, second pore is an inclined hole, and a left side, have on the right quiet spool with pore is left accordingly separately, right capillary porosity duct, like this about movable valve plug is positioned at during two end positions, fluid staggers from the path that the valve body two ends are flow through, 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, 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.Also have the movable valve plug of working as to be positioned under the middle mobile status, two pores on the movable valve plug all can pass through for cold-producing medium, so the refrigerant flow by movable valve plug is bigger, and when movable valve plug contacts with the quiet spool that has only pore, one of them pore on the movable valve plug is by shutoff, only surplus pore wherein can be for the cold-producing medium circulation, and the refrigerant flow by movable valve plug reduces significantly, so this throttle pipe changes in flow rate in the movable valve plug moving process is big.
Description of drawings
Fig. 1 is the structure cutaway view of the 1st embodiment of the utility model;
Fig. 2 is the structure cutaway view of the 2nd embodiment of the utility model;
Fig. 3 is the structure cutaway view of the 3rd embodiment of the utility model;
Fig. 4 is the structure cutaway view of the 4th embodiment of the utility model;
Fig. 5 is the structure cutaway view of the 5th embodiment of the utility model;
Fig. 6 is the structure cutaway view of the 6th embodiment of the utility model;
Fig. 7 is the structure cutaway view of the 7th embodiment of the utility model;
Fig. 8 is the structure cutaway view of the 8th embodiment of the utility model;
Fig. 9 is the structure cutaway view of the 9th embodiment of the utility model;
Figure 10 is the structure cutaway view of the 10th embodiment of the utility model.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Be illustrated in figure 1 as first embodiment of the present utility model.
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 left and right quiet spools 2,3 that directly fixedly install with described valve body 1 in the valve body 1, in valve body 1, also be provided with valve body 1 axial slip and the movable valve plug 4 between left and right two quiet spools 2,3 relatively, distance between the left and right 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 left and right quiet spool 2,3.Described left and right quiet spool 2,3 and movable valve plug 4 can adopt copper, aluminium, steel or plastics to make, and left and right quiet spool 2,3 and movable valve plug 4 be with valve body 1 inner chamber match cylindric.
Only have left capillary porosity duct 21 in the quiet spool 2 in a described left side, left capillary porosity duct 21 has only one, and should left side pore 21 axially runs through the axle center of left quiet spool 2.Only have right capillary porosity duct 31 in the quiet spool 3 in the described right side, right capillary porosity duct 31 has only one, and should right side capillary porosity duct 31 axially runs through the axle center of right quiet spool 3
The outer peripheral face of described movable valve plug 4 contacts with valve body 1 inner wall sealing, be cold-producing medium can not driven spool 4 and valve body 1 inwall between pass through, and described movable valve plug 4 has two pores that run through, be respectively first pore 41 and second pore 42, described first, second pore 41,42 axis is parallel to each other and all is an angle with the axis of described movable valve plug, promptly first, second pore 41,42 is inclined hole, the left end outlet of first pore 41 is positioned at the place, axle center of movable valve plug 4, the right-hand member outlet of second pore 42 is positioned at the place, axle center of movable valve plug 4, the left and right sides both ends of the surface of movable valve plug 4 and a left side, right quiet spool 2, cooperate for plane contact between 3 the inner face.
The aperture of described left capillary porosity duct 21, first pore 41, second pore 42, right capillary porosity duct 31 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, the aperture of above-mentioned left capillary porosity duct 21, first pore 41, second pore 42, right capillary porosity duct 31 is Φ 0.8～Φ 3mm.Pore or capillary porosity duct then restriction effect less than normal is good more in this scope.
Move under the low order end state at movable valve plug 4, the left side of right quiet spool 3 and the right side of described movable valve plug 4 contact to cooperate first pore 41 in the movable valve plug 4 are blocked, and second pore 42 on the while movable valve plug 4 communicates with the capillary porosity duct 31 on the right quiet spool 3.Move under the high order end state at movable valve plug 4, the right side of the quiet spool 2 in a left side and the left side of described movable valve plug 4 contact to cooperate second pore 42 in the movable valve plug 4 are blocked, and first pore 41 on the while movable valve plug 4 communicates with the capillary porosity duct 21 on the left quiet spool 2.
Because the outer peripheral face and valve body 1 inner peripheral surface of left and right quiet spool 2,3 are smooth structure, therefore, the mode by extruding between above-mentioned left and right quiet spool 2,3 outer peripheral faces and valve body 1 inwall is fixed together.Extruding can be in the following way, on left and right quiet spool 2,3 outer peripheral faces, be provided with one or more cannelure 23,33 respectively in advance, again in the valve body 1 outside application of force, valve body 1 inwall is expressed in the described cannelure 23,33, be convenient to like this valve body 1 and left and right quiet spool 2,3 strong bonded, the cross section of this cannelure 23,33 is good with semicircle, also can rectangle or square.
Be illustrated in figure 2 as second embodiment of the present utility model.
The difference of this embodiment and first embodiment is that it also is provided with a bushing pipe 5 between left and right quiet spool 2,3 and movable valve plug 4 and valve body 1 inwall, and these bushing pipe 5 usefulness metal materials are made.
Described left and right quiet spool 2,3 fixed interval are in described bushing pipe 5, and promptly left and right quiet spool 2,3 is fixed with valve body 1 indirectly, and the outer face of each quiet spool 2,3 flushes respectively with the both ends of the surface of described bushing pipe 5.Mode by extruding between described bushing pipe 5 outer peripheral faces and valve body 1 inwall is fixed together, and the mode by extruding between the quiet spool 2 in a described left side, right quiet spool 3, valve body 1, bushing pipe 5 inwalls is fixed together.Extruding can be in the following way, on left and right quiet spool 2,3 outer peripheral faces, be provided with one or more cannelure 23,33 respectively in advance, again in the valve body 1 outside application of force, bushing pipe 5 inwalls are expressed in the described cannelure 23,33, simultaneously, valve body 1 inwall also can correspondingly be expressed on bushing pipe 5 outer walls, can make like this valve body 1 and left and right quiet spool 2,3 strong bonded, the cross section of this cannelure 23,33 is good with semicircle, also can rectangle or square.
The operation principle of aforementioned 1～2 embodiment and process are identical:
When cold-producing medium flows into from valve body 1 right-hand member, cold-producing medium flows into from the right capillary porosity duct 31 of the quiet spool in the right side, and promotion movable valve plug 4 moves to left, movable valve plug 4 is in the process that moves, first pore 41 and second pore 42 on the driven spool 4 of cold-producing medium pass through, this moment is bigger by the refrigerant flow of movable valve plug 4, move under the high order end state at movable valve plug 4, the left side of movable valve plug 4 contacts with the right inner face of left quiet spool 2, the right inner face of the quiet spool 2 in a left side blocks second pore 42 in the movable valve plug 4, first pore 41 on the while movable valve plug 4 is communicated with the left capillary porosity duct 21 on the left quiet spool 2, cold-producing medium can only be successively by there being right capillary porosity duct 31, first pore 41 and left capillary porosity duct 21 are to play the effect of throttling.
When cold-producing medium when valve body 1 left end flows into, the left capillary porosity duct 21 of cold-producing medium quiet spool 2 from a left side flows into, and promotion movable valve plug 4 moves to right, movable valve plug 4 is in the process that moves, first pore 41 and second pore 42 on the driven spool 4 of cold-producing medium pass through, this moment is bigger by the refrigerant flow of movable valve plug 4, move under the low order end state at movable valve plug 4, the left side of right quiet spool 3 and the right inner face of described movable valve plug 4 contact cooperation, the left side of right quiet spool 3 blocks first pore 41 in the movable valve plug 4, simultaneously, second pore 42 on the movable valve plug 4 is communicated with capillary porosity duct 31 on the right quiet spool 3, at this moment, cold-producing medium can only be successively by there being left capillary porosity duct 21, second pore 42 and right capillary porosity duct 31 are to play the effect of throttling.
Inequality for guaranteeing the refrigerant flow flow velocity that flows through from left and right two ends, can realize by the axial length of the quiet spool in the change left and right sides and the aperture of capillary porosity duct.
As shown in Figure 3, be the 3rd embodiment of the present utility model.
The difference of itself and first embodiment is that also have the left cavity 22 of a bore greater than left capillary porosity duct 21 diameters on the right side of the quiet spool 2 in a described left side, described left capillary porosity duct 21 is connected with this left side cavity 22; Also have the right cavity 32 of a bore greater than right capillary porosity duct 31 diameters on the left side of the quiet spool 3 in the described right side, described right capillary porosity duct 31 is connected with this right side cavity 32.
As shown in Figure 4, be the 4th embodiment of the present utility model.
The difference of itself and the 3rd embodiment is that it also is provided with a bushing pipe 5 between left and right 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 5.
The operation principle of aforementioned 3～4 embodiment and process are identical:
When cold-producing medium when valve body 1 right-hand member flows into, cold-producing medium flows in the right cavity 32 from the right pore 31 of the quiet spool 3 in the right side, and promotion movable valve plug 4 moves to left, cold-producing medium has a process that expands a little suddenly, produce the power that a promotion movable valve plug 4 that amplifies moves, and promotion movable valve plug 4 moves to left, movable valve plug 4 is in the process that moves, first pore 41 and second pore 42 on the driven spool 4 of cold-producing medium pass through, this moment is bigger by the refrigerant flow of movable valve plug, move under the high order end state at movable valve plug 4, the left side of movable valve plug 4 contacts with the right inner face of left quiet spool 2, the right inner face of the quiet spool 2 in a left side blocks second pore 42 in the movable valve plug 4, first pore 41 on the while movable valve plug 4 is communicated with cavity 22 and the left capillary porosity duct 21 on the left quiet spool 2, cold-producing medium has a process that expands a little suddenly again, and cold-producing medium can only be successively by there being right capillary porosity duct 31, first pore 41 and left capillary porosity duct 21 are to play the effect of throttling.
Cold-producing medium is just opposite with the process that flows into from right-hand member from the process that valve body 1 left end flows into.
As shown in Figure 5, be the 5th embodiment of the present utility model.
The difference of itself and first embodiment is that left quiet spool 2 is made up of two left side quiet spool monomer 2a, 2b, and adjacent two left side quiet spool monomer 2a, 2b fits tightly and form complete left quiet spool 2; The quiet spool 3 in the described right side is made up of at least two right side quiet spool monomer 3a, 3b, and adjacent two right side quiet spool monomer 3a, 3b fits tightly and form complete right quiet spool 3.
Quiet spool adopts two monomers to be spliced, so the axial length of each quiet spool monomer is short relatively, the processing capillary porosity duct is simple relatively on this monomer, also have through experiment and learn, be spliced when quiet spool adopts two or more monomers, can change the restriction effect of throttle pipe, promptly to compare restriction effect different for the quiet spool of its monoblock type with same axial length, make the adaptability of this throttle pipe stronger, the restriction effect of conveniently adjusted throttle pipe.Certainly in fact, also can be only therein a quiet spool by all adopting the quiet valve core structure in an aforementioned left side.
As shown in Figure 6, be the 6th embodiment of the present utility model.
The difference of itself and the 5th embodiment is that it also is provided with a bushing pipe 5 between left and right 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 5.
As shown in Figure 7, be the 7th embodiment of the present utility model.
The difference of this embodiment and the 5th embodiment is that though left quiet spool 2 is made up of two left side quiet spool monomer 2a, 2b, adjacent two left side quiet spool monomer 2a, 2b are provided with at interval; Though right quiet spool 3 is made up of two right side quiet spool monomer 3a, 3b, adjacent two right side quiet spool monomer 3a, 3b are provided with at interval.
As shown in Figure 8, be the 8th embodiment of the present utility model.
The difference of this embodiment and the 7th embodiment is that it also is provided with a bushing pipe 5 between left and right 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 5.
As shown in Figure 9, be the 9th embodiment of the present utility model.
The difference of this embodiment and the 7th embodiment is that it is provided with back-up ring 6 between adjacent two left quiet spool monomer 2a, 2b, is provided with back-up ring 7, the position-limiting action that back-up ring 6,7 plays two quiet spool monomers between adjacent two right quiet spool monomer 3a, 3b.
As shown in figure 10, be the of the present utility model ten embodiment.
The difference of this embodiment and the 8th embodiment is that it also is provided with a bushing pipe 5 between left and right 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 5.
The operation principle of aforementioned 5～10 embodiment and first embodiment of process fundamental sum are identical.
Claims (10)
1, a kind of throttle pipe of household air conditioner, include tubular valve body (1), be interval with the left and right quiet spool (2,3) that is provided with described valve body relative fixed in the valve body (1), in valve body (1), also be provided with valve body (a 1) axial slip and be positioned at movable valve plug (4) between the left and right two quiet spools (2,3) relatively; It is characterized in that:
Described movable valve plug (4) has two pores that run through, be respectively first pore (41) and second pore (42), described first, second pore (41,42) is inclined hole, the left end outlet of first pore (41) is positioned at the place, axle center of movable valve plug (4), and the right-hand member outlet of second pore (42) is positioned at the place, axle center of movable valve plug (4);
The quiet spool in a described left side (2) only has the left capillary porosity duct (21) that runs through the axle center, and left capillary porosity duct (21) is one, and the quiet spool in the described right side (3) only has the right capillary porosity duct (31) that runs through the axle center, and right capillary porosity duct (31) is one.
2, throttle pipe of household air conditioner according to claim 1 is characterized in that: the axis of described first, second pore (41,42) is parallel to each other.
3, throttle pipe of household air conditioner according to claim 2 is characterized in that: 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 left and right quiet spool (2,3).
4, throttle pipe of household air conditioner according to claim 3, it is characterized in that: also have the left cavity (22) of a bore greater than left capillary porosity duct (21) diameter on the right side of the quiet spool in a described left side (2), described left capillary porosity duct (21) is connected with this left side cavity (22); Also have the right cavity (32) of a bore greater than right capillary porosity duct (31) diameter on the left side of the quiet spool in the described right side (3), described right capillary porosity duct (31) is connected with this right side cavity (32).
5, throttle pipe of household air conditioner according to claim 1, it is characterized in that: the quiet spool in a described left side (2) is made up of at least two left sides quiet spool monomer (2a, 2b), and the quiet spool monomers in adjacent two left sides (2a, 2b) fit tightly and form complete left quiet spool (2); The quiet spool in the described right side (3) is made up of at least two right sides quiet spool monomer (3a, 3b), and the quiet spool monomers in adjacent two right sides (3a, 3b) fit tightly and form complete right quiet spool (3).
6, throttle pipe of household air conditioner according to claim 1 is characterized in that: the quiet spool in a described left side (2) is made up of at least two left sides quiet spool monomer (2a, 2b), and the quiet spool monomers in adjacent two left sides (2a, 2b) are provided with at interval; The quiet spool in the described right side (3) is made up of at least two right sides quiet spool monomer (3a, 3b), and the quiet spool monomers in adjacent two right sides (3a, 3b) are provided with at interval.
7, throttle pipe of household air conditioner according to claim 6 is characterized in that: be provided with left back-up ring (6) between the described adjacent two left quiet spool monomers (2a, 2b); Be provided with right back-up ring (7) between the described adjacent two right quiet spool monomers (3a, 3b).
8, according to the described throttle pipe of household air conditioner of arbitrary claim in the claim 1～7, it is characterized in that: described left and right quiet spool (2,3) directly and valve body (1) inwall fix, be provided with one or more cannelure (23,33) respectively in advance on described left and right quiet spool (2, the 3) outer peripheral face, the inwall of described valve body (1) snaps in the described cannelure (23,33) by extruding.
9, according to the described throttle pipe of household air conditioner of arbitrary claim in the claim 1～7, it is characterized in that: also be provided with a bushing pipe (5) between described left and right quiet spool (2,3) and movable valve plug (4) and valve body (1) inwall, this bushing pipe (5) is fixed with described valve body (1) inwall, described left and right quiet spool (2,3) fixed interval is in described bushing pipe (5), and the outer face of each quiet spool (2,3) flushes with the both ends of the surface of described bushing pipe (5) respectively.
10, throttle pipe of household air conditioner according to claim 9, it is characterized in that: the mode by extruding between described bushing pipe (5) outer peripheral face and valve body (1) inwall is fixed together, also be fixed together between described left and right quiet spool (2,3) outer peripheral face and bushing pipe (5) inwall by the mode of pushing, be provided with one or more cannelure (23,33) respectively in advance on described left and right quiet spool (2, the 3) outer peripheral face, described bushing pipe (5) snaps onto in the described cannelure (23,33) by extruding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201669198U CN201297809Y (en) | 2008-10-24 | 2008-10-24 | Throttling pipe of domestic air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201669198U CN201297809Y (en) | 2008-10-24 | 2008-10-24 | Throttling pipe of domestic air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297809Y true CN201297809Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201669198U Expired - Lifetime CN201297809Y (en) | 2008-10-24 | 2008-10-24 | Throttling pipe of domestic air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201297809Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387463B (en) * | 2008-10-24 | 2010-06-02 | 金仁召 | Domestic air conditioner throttle pipe |
-
2008
- 2008-10-24 CN CNU2008201669198U patent/CN201297809Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101387463B (en) * | 2008-10-24 | 2010-06-02 | 金仁召 | Domestic air conditioner throttle pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081024 |