CN201265991Y - Household air conditioner throttle pipe - Google Patents
Household air conditioner throttle pipe Download PDFInfo
- Publication number
- CN201265991Y CN201265991Y CNU2008201621907U CN200820162190U CN201265991Y CN 201265991 Y CN201265991 Y CN 201265991Y CN U2008201621907 U CNU2008201621907 U CN U2008201621907U CN 200820162190 U CN200820162190 U CN 200820162190U CN 201265991 Y CN201265991 Y CN 201265991Y
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- CN
- China
- Prior art keywords
- pore
- valve body
- quiet spool
- air conditioner
- throttle pipe
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- 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.)
- Expired - Lifetime
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Valves (AREA)
Abstract
The utility model relates to a throttle pipe of a domestic air conditioner, which comprises a pipy valve body (1), a left static valve core (2), a right static valve core (3) and a movable valve core (4). A plurality of overflow orifices (31) which are through in the axial direction to lead freezing media to pass through and a right pore (32) are arranged in the right static valve core (3). A pore (41) is arranged in the movable valve core (4). The throttle pipe is characterized in that only one left pore (21) is arranged in the left static valve core (2); only one pore but no overflow orifice is arranged on one of the left static valve core and the right static valve core, and the structure of the throttle pipe is relatively simple compared with the structure that an overflow orifice and a pore are simultaneously arranged on two static valve cores in a throttle pipe of the prior air conditioner; and through experiments, the structure has the same good throttling effect, moreover, the processing manufacture craft is simplified, thereby the product cost can be reduced.
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 capillary, as a patent No. is a kind of throttle pipe so the Chinese utility model patent " a kind of air conditioner refrigerating throttle pipe " of ZL200420090859.8 (notification number is CN2769788Y) has disclosed, it comprises that device is at ducted columniform motion block with decide piece, wherein the two ends of motion block are the dome conical surface, and there is an aperture to run through the motion block axle center, be coolant channel, this motion block can be free to slide in the cavity of deciding the formation of piece and described duct wall; Describedly decide totally two of pieces, the suitable distance of being separated by also is individually fixed in described inner-walls of duct, the end face adjacent with described motion block is the recessed taper seat that coincide with the motion block end face, the other end is the plane or the conical surface, describedly decide piece end face a plurality of perforation apertures that distribute, and its axle center is the capillary passage aisle, be coolant channel, and described two to decide the axial dimension of piece inequality, can change in the air-conditioning refrigeration system that the length of throttle capillary tube adapts to refrigeration and heating condition transforms mutually, to reach throttling performance matching requirements capillaceous when regulating refrigeration and heating, improve the economy of air-conditioning refrigeration system.
Yet in above-mentioned " air conditioner refrigerating throttle pipe " two decide piece and all have a plurality of perforation apertures and be positioned at the capillary passage aisle of deciding piece shaft core position place on it, so these two processing and fabricatings of deciding piece are all cumbersome, and the processing cost height.
The utility model content
Technical problem to be solved in the utility model be provide at above-mentioned prior art present situation a kind of structure comparatively rationally, more convenient, the good throttle effect of processing and fabricating, throttle pipe of household air conditioner that product cost is low.
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; Have several in the quiet spool in the described right side and axially run through spout hole and right pore that passes through for cold-producing medium, have pore in the described movable valve plug; It is characterized in that: in the quiet spool in a described left side left pore is only arranged, this left side pore is one, and described left pore, pore and right pore are aligned on the same axis; Move under the low order end state at movable valve plug, described movable valve plug right side contacts with the inner face of right quiet spool and cooperates so that the spout hole on the quiet spool in the right side is blocked, and the pore on the movable valve plug communicates with described right pore simultaneously; Move under the high order end state at movable valve plug, described movable valve plug left side contacts cooperation with the right inner face of left quiet spool, and the pore on the movable valve plug communicates with left pore simultaneously.
Above-mentioned valve body with cylindrical be good, the internal diameter of described valve body is Φ 5～Φ 30mm.Certainly above-mentioned valve body also can be square tube type, rectangular tubular or polygon tubulose, and the opposite side distance of this valve body is from being 5～30mm.
Through experiment as can be known, when the aperture of pore 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, and therefore, the aperture of above-mentioned right pore, left pore, pore is Φ 0.8～Φ 3mm.Pore then restriction effect less than normal is good more in this scope.
Because spout hole only plays the effect of passing through for cold-producing medium, therefore above-mentioned spout hole can be circular hole, square hole, tri-angle-holed, polygonal hole or mounting hole.Be preferably circular hole, because the circular hole ratio is easier to processing.
Cooperate for plane contact 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.The plane cooperates the structure that can simplify movable valve plug and quiet spool, certainly, also can adopt in the prior art conical surface or sphere to cooperate between the both ends of the surface of movable valve plug and the inner face of quiet spool, the conical surface or sphere cooperate the effect that can improve spout hole on the quiet spool of movable valve plug shutoff, but its structure relative complex.
General air-conditioning throttle pipe, its 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, valve interior wall is expressed in the described cannelure, can makes valve body and left and right quiet spool strong bonded like this.
Below be second technical scheme of this air-conditioning throttle pipe, the relative the first string of this scheme has increased these parts of bushing pipe, promptly between described left and right quiet spool and movable valve plug and valve interior wall, also be provided with a bushing pipe, 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 respectively with the both ends of the surface of described bushing pipe.
This scheme of this scheme 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: design of the present utility model is, on the quiet spool therein a pore only is set, and there is not spout hole, have the structure of spout hole and pore to want simple simultaneously on two quiet spools in the existing relatively air-conditioning throttle pipe, through experiment, this structure has better restriction effect equally, and the simplification processing technology thereof, thereby can reduce product cost.
Description of drawings
Fig. 1 is the structure cutaway view of first embodiment of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view;
Fig. 4 is the structure cutaway view of second embodiment of the utility model;
Fig. 5 is that the C-C of Fig. 4 is to cutaway view;
Fig. 6 is that the D-D of Fig. 4 is to cutaway view.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Be depicted as first embodiment of the present utility model as Fig. 1～3.
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.
Have several in the quiet spool 3 in the described right side and axially run through spout hole 31 and right pore 32 that passes through for cold-producing medium, wherein right pore 32 axially runs through the axle center of right quiet spool 3, described spout hole 31 is a circular hole, and this spout hole 31 has four, evenly be arranged on right pore 32 around.
Only have a left pore 21 in the quiet spool 2 in a described left side, this left side pore 21 axially runs through the axle center of left quiet spool 2.
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 has pore 41 in the described movable valve plug 4, this pore 41 axially runs through the axle center of movable valve plug 4, and described left pore 21, pore 41 and right pore 32 are 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 left and right quiet spool 2,3, move under the low order end state at movable valve plug 4, described movable valve plug 4 right sides contact with the left inner face of right quiet spool 3 and cooperate so that the spout hole 31 on the quiet spool 3 in the right side is blocked, and the pore 41 on the movable valve plug 4 communicates with described right pore 32 simultaneously; Move under the high order end state at movable valve plug 4, described movable valve plug 4 left sides contact cooperation with the right side of left quiet spool 2, and the pore 41 on the movable valve plug 4 communicates with described left pore 21 simultaneously.
The aperture of above-mentioned right pore 32, left pore 21, pore 41 is Φ 0.8～Φ 3mm.Pore then restriction effect less than normal is good more in this scope.
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 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 left and right 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 utility model as Fig. 4～6.
The difference of this embodiment and first embodiment is, 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, these bushing pipe 5 usefulness metal materials are made, and this bushing pipe 5 is fixed together with the mode of described valve body 1 inwall by extruding.
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 also is fixed together by the mode of pushing between described left and right quiet spool 2,3 outer peripheral faces and bushing pipe 5 inwalls.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 22,33 respectively in advance, again in the valve body 1 outside application of force, bushing pipe 5 inwalls are expressed in the described cannelure 22,33, 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 22,33 is good with semicircle, also can rectangle or square.
The operation principle of these two embodiment and process are identical:
When cold-producing medium flows into from valve body 1 right-hand member, the spout hole 31 of cold-producing medium quiet spool 3 from the right side and right pore 32 flow into, and promotion movable valve plug 4 moves to left, the left side of movable valve plug 4 contacts with the right inner face of left quiet spool 2, at this moment the pore 41 on the movable valve plug 4 is communicated with left pore 21 on the left quiet spool 2, cold-producing medium can only flow through by pore 41 and left pore 21 successively, to play the effect of throttling.
When cold-producing medium when valve body 1 left end flows into, the left pore 21 of cold-producing medium quiet spool 2 from a left side flows into, and promotion movable valve plug 4 moves to right, the right side of movable valve plug 4 contacts with the left inner face of right quiet spool 3 spout hole 31 on the quiet spool 3 in the right side is blocked, pore 41 on the while movable valve plug 4 is communicated with the right pore 32 on the right quiet spool 3, at this moment, cold-producing medium can only flow through by pore 41 and right pore 32 successively, to play the effect of throttling.
Cold-producing medium from two ends, the left and right sides by the time because the path difference, the cold-producing medium flow velocity difference of passing through from two ends, and then realize adapting to refrigeration and heating condition transforms mutually.
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 (1) relative fixed in the valve body (1), in valve body (1), also be provided with valve body (a 1) axial slip and the movable valve plug (4) between left and right two quiet spools relatively; Have several in the quiet spool in the described right side (3) and axially run through a spout hole (31) and a right pore (32) that passes through for cold-producing medium, have pore (41) in the described movable valve plug (4); It is characterized in that: left pore (21) is only arranged in the quiet spool in a described left side (2), and left pore (21) is one, and described left pore (21), pore (41) and right pore (32) are aligned on the same axis; Move under the low order end state at movable valve plug (4), described movable valve plug (4) right side contacts with the left side of right quiet spool (3) and cooperates so that the spout hole (31) on the quiet spool in the right side (3) is blocked, and the pore (41) on the movable valve plug (4) communicates with described right pore (32) simultaneously; Move under the high order end state at movable valve plug (4), described movable valve plug (4) left side contacts cooperation with the right side of left quiet spool (2), and the pore (41) on the movable valve plug (4) communicates with described left pore (21) simultaneously.
2, throttle pipe of household air conditioner according to claim 1 is characterized in that: described valve body (1) is cylindrical, and the internal diameter of described valve body (1) is Φ 5～Φ 30mm.
3, throttle pipe of household air conditioner according to claim 1 is characterized in that: described valve body (1) is square tube type, rectangular tubular or polygon tubulose, and the opposite side distance of this valve body (1) is from being 5～30mm.
4, throttle pipe of household air conditioner according to claim 1 is characterized in that: the aperture of described right pore (32), left pore (21), pore (41) is Φ 0.8～Φ 3mm.
5, throttle pipe of household air conditioner according to claim 1 is characterized in that: described spout hole (31) is circular hole, square hole, tri-angle-holed, polygonal hole or mounting hole.
6, throttle pipe of household air conditioner according to claim 1 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).
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 left and right quiet spool (2,3) is directly fixed with valve body (1) inwall, is fixed together by the mode of pushing between described left and right quiet spool (2,3) outer peripheral face and valve body (1) inwall.
8, throttle pipe of household air conditioner according to claim 7, it is characterized in that: be provided with one or more cannelure (22,33) respectively in advance on described left and right quiet spool (2, the 3) outer peripheral face, in the outside application of force of valve body, valve interior wall is expressed in the described cannelure (22,33) again.
9, according to the described throttle pipe of household air conditioner of arbitrary claim in the claim 1～5, 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 respectively with the both ends of the surface of described bushing pipe (5).
10, throttle pipe of household air conditioner according to claim 8, 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 (22,33) respectively in advance on described left and right quiet spool (2, the 3) outer peripheral face, in the outside application of force of valve body (1), bushing pipe (5) inwall is expressed in the described cannelure (22,33) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201621907U CN201265991Y (en) | 2008-08-05 | 2008-08-05 | Household air conditioner throttle pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201621907U CN201265991Y (en) | 2008-08-05 | 2008-08-05 | Household air conditioner throttle pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265991Y true CN201265991Y (en) | 2009-07-01 |
Family
ID=40832362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201621907U Expired - Lifetime CN201265991Y (en) | 2008-08-05 | 2008-08-05 | Household air conditioner throttle pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265991Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334224B (en) * | 2008-08-05 | 2010-06-02 | 金仁召 | Domestic air conditioner throttle pipe |
-
2008
- 2008-08-05 CN CNU2008201621907U patent/CN201265991Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334224B (en) * | 2008-08-05 | 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: 20090701 Effective date of abandoning: 20080805 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090701 Effective date of abandoning: 20080805 |