CN102116547A - Short tube throttle valve for air conditioner - Google Patents
Short tube throttle valve for air conditioner Download PDFInfo
- Publication number
- CN102116547A CN102116547A CN2011100881941A CN201110088194A CN102116547A CN 102116547 A CN102116547 A CN 102116547A CN 2011100881941 A CN2011100881941 A CN 2011100881941A CN 201110088194 A CN201110088194 A CN 201110088194A CN 102116547 A CN102116547 A CN 102116547A
- Authority
- CN
- China
- Prior art keywords
- valve body
- block piece
- movable valve
- valve plug
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to a short tube throttle valve for an air conditioner. The short tube throttle valve for the air conditioner comprises a valve body and a first movable valve core; the first movable valve core is provided with a first capillary hole and a first overflow passageway; the short tube throttle valve is characterized in that: a transitional valve core which is only provided with a capillary passageway running through the axle center of the transitional valve core, and a first stopping member provided with a first passageway through a refrigeration agent passes are arranged in the valve body; the first stopping member and the valve body are fixed opposite to each other; an annular concave part is formed in the middle of the periphery of the transitional valve core; an inward protruded annular stopping part is formed in the valve body; and the annular stopping part is positioned in the annular concave part of the transitional valve core and matched with the side wall of the annular concave part in a stopping mode so that the transitional valve core can only slide axially within a certain range. In the throttle tube, the transitional valve core replaces a static valve core; as the transitional valve core can slide axially within the certain range, when the movable valve core moves axially to be contacted with the transitional valve core, the transitional valve core moves a certain distance for buffering so as to guarantee stable transition of flow variation of the refrigeration agent passing through the transitional valve core.
Description
Technical field
The invention belongs to the technical field of air-conditioning, relate 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, 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.
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 by 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 by this fluid main channel flow through fluid through-hole on the baffle plate, it need cut out a formation at the placement section rear portion has a path of upwards flowing for the fluid by the fluid passage, therefore is somebody's turn to do the structure more complicated of auxilliary orifice plate.
Make a general survey of existing various idle call small-sized throttle devices, it has a relative shell static quiet spool (also being main aperture plate or valve seat) fully at least, have the pore that runs through its axle center on the quiet spool, therefore cold-producing medium is when commutation is flowed, interaction force between movable valve plug and quiet spool can improve rapidly the thrust of movable valve plug, there is not the balance transition stage, learn through test of many times, this is unfavorable for satisfying the domestic air conditioning refrigeration or the throttling intensity of required coupling when heating, and therefore the restriction effect of existing various throttle pipes also can be further improved.
Summary of the invention
Technical problem to be solved by this invention be provide at above-mentioned prior art present situation a kind of when cold-producing medium commutation is flowed movable valve plug move idle call short-tube restrictor valve more stably, can the whole restriction effect that improves on air-conditioning.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of idle call short-tube restrictor valve, include valve body in a tubular form, be provided with first movable valve plug of valve body axial slip relatively in the valve body, first movable valve plug has first pore that runs through its axle center, and at least two first overflow ducts that are distributed in this first pore periphery and axially run through, it is characterized in that: also be provided with in the described valve body only have one run through its axle center capillary porosity duct the transition spool and have first block piece of the first passage that passes through for cold-producing medium, this first block piece and valve body relative fixed are provided with, described first movable valve plug is between the transition spool and first block piece, the periphery middle part of described transition spool has annular recess, the annular stopper that has convex in the valve body, this annular stopper is positioned at the annular recess of described transition spool, so that transition spool axial slip within the specific limits.
Above-mentioned first overflow ducts is for axially running through the through hole of first movable valve plug.Also can be the groove that is arranged on the first movable valve plug perisporium and axially runs through.First overflow ducts is arranged on more convenient processing on the first movable valve plug perisporium.
Two ends in the above-mentioned valve body also are respectively arranged with first screen pack and second screen pack, described first screen pack and second screen pack and valve body relative fixed.Screen pack is set filters out impurity in the cold-producing medium, make by the cold-producing medium of each movable valve plug and transition spool purelyr, strengthen refrigeration.
Also be provided with second movable valve plug and second block piece in the above-mentioned valve body, described second movable valve plug is between the transition spool and second block piece, and only have second pore that runs through its axle center on second movable valve plug, second block piece has the first passage that passes through for cold-producing medium.Owing to have additional second movable valve plug, therefore whole choke valve has 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.
Above-mentioned each block piece is back-up ring, and the pore under back-up ring and movable valve plug state of contact on the movable valve plug, spout hole all communicate with the passage at back-up ring middle part.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 in mode between above-mentioned back-up ring outer peripheral face and the valve interior wall by extruding, the mode of extruding has the simple advantage in location.Specifically can adopt following fashion of extrusion, on each block piece outer peripheral face, be provided with cannelure respectively in advance,, the inwall of described valve body be snapped in the described cannelure by extruding, can make valve body and back-up ring strong bonded so again in the outside application of force of valve body.
Above-mentioned each block piece is the bulge loop that forms convex on valve interior wall.Can simplify the structure of block piece as block piece with bulge loop.
Also be provided with a bushing pipe between above-mentioned transition spool, each movable valve plug, annular stopper, each screen pack and each block piece and the valve interior wall, the mode by extruding between described bushing pipe outer peripheral face and the valve interior wall is fixed together.Increase the bushing pipe structure and can strengthen this short-tube restrictor valve integral intensity, because the length of bushing pipe is shorter than the length of valve body, easier installation transition spool, movable valve plug and block piece, bushing pipe also can play indicative function to the installation of each screen pack simultaneously, is convenient to the assembling filter net.
Above-mentioned each block piece is back-up ring, is provided with one or more cannelure on the outer peripheral face of described each block piece respectively in advance, and the inwall of described bushing pipe snaps in the described cannelure by extruding.
In like manner, the choke valve behind the increase bushing pipe, each block piece in it can be the bulge loop that forms convex on the bushing pipe inwall.
Compared with prior art, the invention has the advantages that: this throttle pipe adopts the transition spool to replace quiet spool, the transition spool can move axially within the specific limits, therefore move axially when contacting at movable valve plug with the transition spool, the transition spool has certain displacement, play cushioning effect, guarantee to change smooth transition by the refrigerant flow of transition spool, test shows that the throttle pipe of this structure can the whole restriction effect that improves on air-conditioning.
Description of drawings
Fig. 1 is the structure cutaway view of first embodiment of the invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view;
Fig. 4 is the first movable valve plug structure cutaway view of the another kind of version of first embodiment of the invention;
Fig. 5 is the structure cutaway view of second embodiment of the invention;
Fig. 6 is the structure cutaway view of third embodiment of the invention;
Fig. 7 is the structure cutaway view of four embodiment of the invention;
Fig. 8 is the structure cutaway view of fifth embodiment of the invention;
Fig. 9 is the structure cutaway view of sixth embodiment of the invention;
Figure 10 is the structure cutaway view of seventh embodiment of the invention;
Figure 11 is the structure cutaway view of eighth embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～4, be first embodiment of the present invention.
A kind of idle call short-tube restrictor valve includes valve body 1 in a tubular form, and valve body 1 general copper pipe also can be aluminium certainly or steel pipe is made, and valve body is best with cylindrical, but also rectangular tube certainly, and the internal diameter of valve body 1 is Φ 5～Φ 30mm.
Be provided with first movable valve plug 2 of valve body 1 axial slip relatively in the valve body 1, first movable valve plug 2 has first pore 21 that runs through its axle center, and at least two first overflow ducts 22 that are distributed in these first pore, 21 peripheries and axially run through, with four first overflow ducts 22 is the best, the groove that first overflow ducts 22 in the present embodiment is arranged on first movable valve plug, 2 perisporiums and axially runs through, groove is good with semi-circular recesses.
Certain first overflow ducts 22 also can be four through holes that axially run through first movable valve plug 2, and the cross section of each first overflow ducts 22 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, mounting hole or crescent moon hole, as shown in the figure.
Also be provided with in the valve body 1 only have one run through its axle center capillary porosity duct 31 transition spool 3 and have first block piece 4 of the first passage 41 that passes through for cold-producing medium, this first block piece 4 and valve body 1 relative fixed setting, first block piece 4 forms the bulge loop of convex for adopting fashion of extrusion on valve body 1 inwall.First movable valve plug 2 is between the transition spool 3 and first block piece 4, spacing between the transition spool 3 and first block piece 4 is greater than the axial dimension of first movable valve plug 2, the periphery middle part of transition spool 3 has annular recess 32, the annular stopper 11 that has convex in the valve body 1, the annular convex ring that annular stopper 11 forms for the inner surface extrusion modling at valve body 1, this annular stopper 11 is positioned at the annular recess 32 of transition spool and keeps off with the sidewall of annular recess 32 and to join, so that transition spool 3 axial slip within the specific limits, when transition spool 3 is shifted to the right to extreme position, annular stopper 11 contacts with the inner left wall of annular recess 32, when transition spool 3 moved left to extreme position, annular stopper 11 contacted with the right side inwall of annular recess 32.
The slippage of first movable valve plug 2 can contact with transition spool 3, in the present embodiment between first movable valve plug 2 and the transition spool 3 for plane contact cooperates, plane contact cooperates the structure that can simplify first movable valve plug 2 and transition spool 3.Certainly, first movable valve plug 2 also can be cone match with transition spool 3.
It is fixing by the mode and the valve body 1 of extruding that two ends in the valve body 1 also are respectively arranged with first screen pack 5 and second screen pack, 6, the first screen packs 5 and second screen pack 6.Aforementioned first block piece 4, first movable valve plug 2 and transition spool 3 are between first screen pack 5 and second screen pack 6.
Move under the high order end state at first movable valve plug 2, the left side of first movable valve plug 2 is blocked by first block piece 4, and first pore 21 on first movable valve plug 2 and first spout hole 22 all communicate with first passage 41 on first block piece 4; Move under the low order end state at first movable valve plug 2, the right side of first movable valve plug 2 contacts cooperation with the left side of transition spool 3, the left side of transition spool 3 blocks first spout hole 22 on first movable valve plug 2, and first pore 21 on first movable valve plug 2 communicates with the capillary porosity duct 31 of transition spool 3 simultaneously.
As shown in Figure 5, be second embodiment of the present invention.
The difference of this embodiment and first embodiment is, this choke valve also comprises bushing pipe 9, these bushing pipe 9 usefulness metal materials are made, mode by extruding between the outer peripheral face of bushing pipe 9 and valve body 1 inwall is fixed together, and first movable valve plug 2, transition movable valve plug 3 and first block piece 4 all are arranged in the bushing pipe 9.First block piece 4 forms the bulge loop of convex for adopting fashion of extrusion on bushing pipe 91 inwalls.
First movable valve plug 2 in the present embodiment also can adopt movable valve plug structure as shown in Figure 4.
As shown in Figure 6, be the 3rd embodiment of the present invention.
The difference of this embodiment and first embodiment is, first block piece 4 is a back-up ring, because outer peripheral face and valve body inner peripheral surface as the back-up ring of first block piece 4 are shiny surface, therefore, be fixed together in mode between the outer peripheral face of first block piece 4 and valve body 1 inwall by extruding, specifically can adopt following fashion of extrusion, on first block piece, 4 outer peripheral faces, be provided with one or more cannelure 42 in advance, again in the valve body 1 outside application of force, the inwall of described valve body 1 is snapped in the cannelure 2 by extruding, can make valve body 1 and back-up ring strong bonded like this as first block piece 4.
First movable valve plug in the present embodiment also can adopt movable valve plug structure as shown in Figure 4.
As shown in Figure 7, be the 4th embodiment of the present invention.
The difference of this embodiment and second embodiment is, first block piece 4 is a back-up ring, because outer peripheral face and valve body inner peripheral surface as the back-up ring of first block piece 4 are shiny surface, therefore, be fixed together in mode between the outer peripheral face of first block piece 4 and bushing pipe 9 inwalls by extruding, specifically can adopt following fashion of extrusion, on first block piece, 4 outer peripheral faces, be provided with one or more cannelure 42 in advance, again in the valve body 1 outside application of force, first, two block pieces 5, be provided with one or more cannelure 42 on 6 outer peripheral faces respectively in advance, again in the valve body 1 outside application of force, the inwall of bushing pipe 9 is snapped in the cannelure 42 by extruding, so that bushing pipe 9 and first block piece, 4 strong bonded, valve body 1 inwall also can correspondingly be expressed on bushing pipe 9 outer walls simultaneously.
First movable valve plug 2 in the present embodiment also can adopt movable valve plug structure as shown in Figure 4.
Operation principle and the process of aforementioned four embodiment are basic identical, specify as follows:
When cold-producing medium flows into from valve body 1 left end, cold-producing medium flows into by the passage 41 of first screen pack 5 and first block piece 4, first movable valve plug 2 moves to right under action of pressure, in first movable valve plug, 2 moving process, cold-producing medium is by first pore 21 and each first spout hole 22 on first movable valve plug 2, cold-producing medium by first movable valve plug 2 also can promote transition spool 3 certain distance that moves right simultaneously, contact with the inner left wall of annular recess 32 until annular stopper 11, when first movable valve plug 2 moves under the low order end state, the right side of first movable valve plug 2 contacts cooperation with the left side of transition spool 3, the left side of transition spool 3 blocks first spout hole 22 on first movable valve plug 2, first pore 21 on first movable valve plug 2 communicates with the capillary porosity duct 31 of transition spool 3, cold-producing medium can only pass through from first pore 21 on first movable valve plug 2 and the capillary porosity duct 31 of transition spool 3, cold-producing medium continues to turn right after by transition spool 3 mobile, behind second screen pack 6, flow out choke valve, realize the forward dynamic throttling.
When cold-producing medium when valve body 1 right-hand member flows into, cold-producing medium is by second screen pack 6, and promote transition spool 3 and first movable valve plug 2 is moved to the left certain distance, contact with the right side inwall of annular recess 32 until annular stopper 11, cold-producing medium is by the capillary porosity duct 31 of transition spool 3 simultaneously, first movable valve plug 2 relative transition spool 3 under action of pressure moves to left, first movable valve plug 2 is gradually away from transition spool 3, cold-producing medium by first pore 21 and each first spout hole 22 on first movable valve plug 2 after, flow out choke valve via first screen pack, 5 backs, realize reverse dynamic throttling.
As shown in Figure 8, be the 5th embodiment of the present invention.
The difference of present embodiment and first embodiment is, also be provided with second movable valve plug 7 and second block piece 8 in the valve body 1, second movable valve plug 7 is between the transition spool 3 and second block piece 8, spacing between the transition spool 3 and second block piece 8 is greater than the axial dimension of second movable valve plug 7, this second block piece 8 and valve body 1 relative fixed setting, second block piece 8 forms the bulge loop of convex for adopting fashion of extrusion on valve body 1 inwall.Only having one on second movable valve plug 7 runs through and has the second channel 81 that passes through for cold-producing medium on second pore, 71, the second block pieces 8 in its axle center.
Move under the high order end state at second movable valve plug 7, the left side of second movable valve plug 7 contacts cooperation with the right side of transition spool 3, and second pore 71 on second movable valve plug 7 communicates with the capillary porosity duct 31 of transition spool 3; Move under the low order end state at second movable valve plug 7, the right side of second movable valve plug 7 is blocked by second block piece 8, and second pore 71 on second movable valve plug 7 communicates with second channel 81 on second block piece 8.
As shown in Figure 9, be the 6th embodiment of the present invention.
The difference of this embodiment and the 5th embodiment is, also comprises a bushing pipe 9, the set-up mode reference example two of bushing pipe 9.
As shown in figure 10, be the 7th embodiment of the present invention.
The difference of this embodiment and the 5th embodiment is that first block piece 4 and second block piece 8 are back-up ring, but the set-up mode reference example three of first block piece 4 of this back-up ring structure and second block piece 8.
As shown in figure 11, be the 8th embodiment of the present invention.
The difference of this embodiment and the 7th embodiment is, also comprises a bushing pipe 9, the set-up mode reference example four of bushing pipe 9.
Operation principle and the process of aforementioned the 5th～8 embodiment are basic identical, specify as follows:
When cold-producing medium flows into from valve body 1 left end, cold-producing medium flows into by the passage 41 of first screen pack 5 and first block piece 4, first movable valve plug 2 moves to right under action of pressure, in first movable valve plug, 2 moving process, cold-producing medium is by first pore 21 and each first spout hole 22 on first movable valve plug 2, cold-producing medium by first movable valve plug 2 also can promote transition spool 3 certain distance that moves right simultaneously, contact with the inner left wall of annular recess 32 until annular stopper 11, when first movable valve plug 2 moves under the low order end state, the right side of first movable valve plug 2 contacts cooperation with the left side of transition spool 3, the left side of transition spool 3 blocks first spout hole 22 on first movable valve plug 2, first pore 21 on first movable valve plug 2 communicates with the capillary porosity duct 31 of transition spool 3, cold-producing medium can only pass through from first pore 21 on first movable valve plug 2 and the capillary porosity duct 31 of transition spool 3, realizes dynamic throttling for the first time; Cold-producing medium continues to turn right after by transition spool 3 mobile, second movable valve plug 7 moves to right under action of pressure, in second movable valve plug, 7 moving process, cold-producing medium is by second pore 71 on second movable valve plug 7, move under the low order end state at second movable valve plug 7, second movable valve plug 7 stops to move under the stopping of second block piece 8, cold-producing medium via second pore 71 and the second channel 81 on second block piece 8 on second movable valve plug 7 after,, realize dynamic throttling for the second time after choke valves are flowed out in second screen pack, 6 backs.
When cold-producing medium when valve body 1 right-hand member flows into, its course of work just with opposite, is not repeated at this.
Claims (10)
1. idle call short-tube restrictor valve, include valve body (1) in a tubular form, be provided with first movable valve plug (2) of valve body (1) axial slip relatively in the valve body (1), first movable valve plug (2) has first pore (21) that runs through its axle center, and at least two first overflow ducts (22) that are distributed in this first pore (21) periphery and axially run through, it is characterized in that: also be provided with the transition spool (3) that only has the capillary porosity duct (31) that runs through its axle center in the described valve body (1) and have first block piece (4) of the first passage (41) that passes through for cold-producing medium, this first block piece (4) and valve body (1) relative fixed setting, described first movable valve plug (2) is positioned between transition spool (3) and first block piece (4), the periphery middle part of described transition spool (3) has annular recess (32), the annular stopper (11) that has convex in the valve body (1), this annular stopper (11) is positioned at the annular recess (32) of described transition spool, so that transition spool (3) axial slip within the specific limits.
2. idle call short-tube restrictor valve according to claim 1 is characterized in that: described first overflow ducts (22) is for axially running through the through hole of first movable valve plug (2).
3. idle call short-tube restrictor valve according to claim 1 is characterized in that: the groove of described first overflow ducts (22) for being arranged on first movable valve plug (2) perisporium and axially running through.
4. idle call short-tube restrictor valve according to claim 1, it is characterized in that: the two ends in the described valve body (1) also are respectively arranged with first screen pack (5) and second screen pack (6), described first screen pack (5) and second screen pack (6) and valve body (1) relative fixed.
5. throttle pipe of household air conditioner according to claim 1, it is characterized in that: also be provided with second movable valve plug (7) and second block piece (8) in the described valve body (1), described second movable valve plug (7) is positioned between transition spool (3) and second block piece (8), only has second pore (71) that runs through its axle center on second movable valve plug (7), has the second channel (81) that passes through for cold-producing medium on second block piece (8), this second block piece (7) and valve body (1) relative fixed setting.
6. idle call short-tube restrictor valve according to claim 5, it is characterized in that: described each block piece (4,8) is back-up ring, be provided with cannelure (42,82) on the outer peripheral face of described each block piece (4,8) respectively in advance, the inwall of described valve body (1) snaps in the described cannelure (42,82) by extruding.
7. idle call short-tube restrictor valve according to claim 5 is characterized in that: described each block piece (4,8) is the bulge loop that forms convex on valve body (1) inwall.
8. according to the described idle call short-tube restrictor of arbitrary claim valve in the claim 1～5, it is characterized in that: also be provided with a bushing pipe (9) between described transition spool (2), each movable valve plug (2,7), annular stopper (11), each screen pack (5,6) and each block piece (4,8) and valve body (1) inwall, the mode by extruding between described bushing pipe (9) outer peripheral face and valve body (1) inwall is fixed together.
9. idle call short-tube restrictor valve according to claim 8, it is characterized in that: described each block piece (4,8) is back-up ring, be provided with one or more cannelure (42,82) on the outer peripheral face of described each block piece (4,8) respectively in advance, the inwall of described bushing pipe (9) snaps in the described cannelure (42,82) by extruding.
10. idle call short-tube restrictor valve according to claim 8 is characterized in that: described each block piece (4,8) is for forming the bulge loop of convex on bushing pipe (9) inwall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100881941A CN102116547B (en) | 2011-04-07 | 2011-04-07 | Short tube throttle valve for air conditioner |
| PCT/CN2011/001136 WO2012135985A1 (en) | 2011-04-07 | 2011-07-11 | Short-tube type throttle valve for air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100881941A CN102116547B (en) | 2011-04-07 | 2011-04-07 | Short tube throttle valve for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102116547A true CN102116547A (en) | 2011-07-06 |
| CN102116547B CN102116547B (en) | 2013-04-24 |
Family
ID=44215428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100881941A Expired - Fee Related CN102116547B (en) | 2011-04-07 | 2011-04-07 | Short tube throttle valve for air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102116547B (en) |
| WO (1) | WO2012135985A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012135985A1 (en) * | 2011-04-07 | 2012-10-11 | 宁波奥柯汽车空调有限公司 | Short-tube type throttle valve for air conditioning |
| CN102878734A (en) * | 2012-10-26 | 2013-01-16 | 温岭市恒发空调部件有限公司 | Expansion valve |
| CN103216980A (en) * | 2013-04-27 | 2013-07-24 | 温岭市恒发空调部件有限公司 | Bi-direction circulation expansion valve |
| CN110792874A (en) * | 2018-08-01 | 2020-02-14 | 天津华信机械有限公司 | Electronic expansion valve |
| CN113970200A (en) * | 2021-10-27 | 2022-01-25 | 珠海格力电器股份有限公司 | Noise-reducing throttling sleeve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145902B (en) * | 2019-05-28 | 2024-06-04 | 宁波奥克斯电气股份有限公司 | Filter and air conditioner of two-way throttle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5850371A (en) * | 1981-09-18 | 1983-03-24 | Hitachi Ltd | Check valve |
| JPH11344274A (en) * | 1998-05-29 | 1999-12-14 | Goh Shoji Co Inc | Check valve |
| JP2002139266A (en) * | 2000-11-01 | 2002-05-17 | Daikin Ind Ltd | On/off valve unit and refrigerant carrier comprising it |
| CN101319839A (en) * | 2008-06-26 | 2008-12-10 | 宁波能优制冷科技有限公司 | Household air conditioner throttle pipe |
| CN201225422Y (en) * | 2007-05-29 | 2009-04-22 | 浙江盾安人工环境设备股份有限公司 | One-way valve |
| CN201335573Y (en) * | 2008-07-11 | 2009-10-28 | 浙江盾安人工环境设备股份有限公司 | Short-tube throttle valve used for air conditioner |
| CN101571334A (en) * | 2008-12-18 | 2009-11-04 | 金仁召 | Throttle pipe of household air conditioner |
| CN202177265U (en) * | 2011-04-07 | 2012-03-28 | 宁波奥柯汽车空调有限公司 | Short tube throttle valve for air conditioner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322485Y (en) * | 2008-12-18 | 2009-10-07 | 金仁召 | Household air conditioning throttling pipe |
| CN102116547B (en) * | 2011-04-07 | 2013-04-24 | 宁波奥柯汽车空调有限公司 | Short tube throttle valve for air conditioner |
-
2011
- 2011-04-07 CN CN2011100881941A patent/CN102116547B/en not_active Expired - Fee Related
- 2011-07-11 WO PCT/CN2011/001136 patent/WO2012135985A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5850371A (en) * | 1981-09-18 | 1983-03-24 | Hitachi Ltd | Check valve |
| JPH11344274A (en) * | 1998-05-29 | 1999-12-14 | Goh Shoji Co Inc | Check valve |
| JP2002139266A (en) * | 2000-11-01 | 2002-05-17 | Daikin Ind Ltd | On/off valve unit and refrigerant carrier comprising it |
| CN201225422Y (en) * | 2007-05-29 | 2009-04-22 | 浙江盾安人工环境设备股份有限公司 | One-way valve |
| CN101319839A (en) * | 2008-06-26 | 2008-12-10 | 宁波能优制冷科技有限公司 | Household air conditioner throttle pipe |
| CN201335573Y (en) * | 2008-07-11 | 2009-10-28 | 浙江盾安人工环境设备股份有限公司 | Short-tube throttle valve used for air conditioner |
| CN101571334A (en) * | 2008-12-18 | 2009-11-04 | 金仁召 | Throttle pipe of household air conditioner |
| CN202177265U (en) * | 2011-04-07 | 2012-03-28 | 宁波奥柯汽车空调有限公司 | Short tube throttle valve for air conditioner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012135985A1 (en) * | 2011-04-07 | 2012-10-11 | 宁波奥柯汽车空调有限公司 | Short-tube type throttle valve for air conditioning |
| CN102878734A (en) * | 2012-10-26 | 2013-01-16 | 温岭市恒发空调部件有限公司 | Expansion valve |
| CN103216980A (en) * | 2013-04-27 | 2013-07-24 | 温岭市恒发空调部件有限公司 | Bi-direction circulation expansion valve |
| CN103216980B (en) * | 2013-04-27 | 2015-02-04 | 温岭市恒发空调部件有限公司 | Bi-direction circulation expansion valve |
| CN110792874A (en) * | 2018-08-01 | 2020-02-14 | 天津华信机械有限公司 | Electronic expansion valve |
| CN113970200A (en) * | 2021-10-27 | 2022-01-25 | 珠海格力电器股份有限公司 | Noise-reducing throttling sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012135985A1 (en) | 2012-10-11 |
| CN102116547B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102116547B (en) | Short tube throttle valve for air conditioner | |
| WO2014173080A1 (en) | Bidirectionally communicating expansion valve | |
| CN202177265U (en) | Short tube throttle valve for air conditioner | |
| CN201421225Y (en) | Household air-conditioning choke pipe | |
| CN202371943U (en) | Short pipe throttling valve for air conditioner | |
| CN201297812Y (en) | Throttling pipe of domestic air conditioner | |
| CN100570248C (en) | A kind of throttle pipe of household air conditioner | |
| CN201621908U (en) | Bidirectional movable throttle valve | |
| CN101446461B (en) | Throttle pipe of household air conditioner | |
| CN201322485Y (en) | Household air conditioning throttling pipe | |
| CN101387464B (en) | Domestic air conditioner throttle pipe | |
| CN201344683Y (en) | Throttle pipe for domestic air conditioner | |
| CN201322484Y (en) | Throttling pipe of domestic air conditioner | |
| CN101387463B (en) | Domestic air conditioner throttle pipe | |
| CN201322486Y (en) | Home-use air conditioner throttle pipe | |
| CN201583070U (en) | Two-way throttle valve | |
| CN101363674B (en) | Domestic air conditioner throttle pipe | |
| CN201297811Y (en) | Throttle pipe for domestic air conditioners | |
| CN201352036Y (en) | Household air-conditioning throttle pipe | |
| CN201297809Y (en) | Throttling pipe of domestic air conditioner | |
| CN201297810Y (en) | Throttle pipe for domestic air conditioners | |
| CN201352038Y (en) | Throttle pipe for household air conditioner | |
| CN201302340Y (en) | Throttle pipe of household air-conditioner | |
| CN100570249C (en) | A kind of throttle pipe of household air conditioner | |
| CN100559098C (en) | A kind of throttle pipe of household air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20130424 Termination date: 20180407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |