CN201265988Y - Household air conditioner throttle pipe - Google Patents
Household air conditioner throttle pipe Download PDFInfo
- Publication number
- CN201265988Y CN201265988Y CNU2008201219181U CN200820121918U CN201265988Y CN 201265988 Y CN201265988 Y CN 201265988Y CN U2008201219181 U CNU2008201219181 U CN U2008201219181U CN 200820121918 U CN200820121918 U CN 200820121918U CN 201265988 Y CN201265988 Y CN 201265988Y
- Authority
- CN
- China
- Prior art keywords
- quiet spool
- pipe
- movable valve
- valve plug
- air conditioner
- 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.)
- Expired - Fee Related
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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
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) and a right static valve core (3), wherein the left static valve core (2) and the right static valve core (3) are arranged in the valve body at intervals. A movable valve core (4) which can axially slide relative to the valve body (1) and is positioned between the left static valve core and the right static valve core is also arranged in the valve body (1). Capillary channels are respectively arranged on the two static valve cores. A channel through which freezing media can pass is arranged on the movable valve core (4). A screened pipe (6) is arranged among the left static valve core, the right static valve core, the movable valve core and the inner wall of the valve body and fixed on the inner wall of the valve body. The left static valve core and the right static valve core are fixed in the screened pipe at intervals. The outer end face of each static valve core and the outer end face of the screened pipe are level. The throttle pipe is added with the screened pipe, the screened pipe with appropriate length is arranged according to the requirement, Firstly, the movable valve core is put into the screened pipe, then, the two static valve cores are installed from both ends of the screened pipe, people only need to keep the outer end faces of the two static valve cores and the outer end face of the screened pipe level, and each component can be correctly installed, thereby the installation is very convenient.
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 the processing and fabricating of axle center throttle capillary tube hole path of deciding piece in above-mentioned " air conditioner refrigerating throttle pipe " is cumbersome, and the 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, processing and fabricating is more convenient and help to promote product function and the throttle pipe of household air conditioner that reduces product cost.
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 disposed on left quiet spool and right quiet spool in the described valve body, has first spout hole that passes through for cold-producing medium in the quiet spool in a described left side, has second spout hole that passes through for cold-producing medium in the quiet spool in the described right side, in valve body, also be provided with a valve body axial slip and be positioned at a left side relatively, movable valve plug between the right two quiet spools, the outer face, the left and right sides of this movable valve plug can be respectively and a described left side, the inner face contact of right quiet spool cooperates with first, two spout holes block; Described left and right quiet spool is provided with capillary channel, and described movable valve plug is provided with the passage that can communicate with capillary channel on the left and right quiet spool and pass through for cold-producing medium; It is characterized in that: between 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 with the outer face of described bushing pipe.
As further improvement of the utility model, the outer peripheral face of above-mentioned left quiet spool has first helicla flute that passes through for cold-producing medium through whole outer surface to form described capillary channel, and the outlet at these first helicla flute two ends runs through the interior outer face of left quiet spool; The outer peripheral face of the quiet spool in the described right side has second helicla flute that passes through for cold-producing medium through whole outer surface to form capillary channel, and the outlet at these second helicla flute two ends runs through the interior outer face of right quiet spool.Certainly capillary channel also can adopt existing pore structure.
Be provided with the helicla flute that passes through for cold-producing medium through whole outer surface at left and right its outer peripheral face of quiet spool, the outlet at these helicla flute two ends is located at respectively on the interior outer face of quiet spool, this helical groove structure is equivalent to the capillary pipe structure of quiet spool in the prior art, after spout hole on the movable valve plug end face will this quiet spool blocked, cold-producing medium can only be discharged through helicla flute after by the passage of movable valve plug.As everyone knows, capillary pipe structure is to offer a minimum hole on movable valve plug, and will process this pore on movable valve plug is very difficult, and process velocity is slow, the relative cost height, and can adopt the low turning processing of cost at quiet spool outer peripheral face processing helicla flute, and process velocity is fast, simplifies processing technology thereof, thereby can reduce product cost, the requirement that cooperates between quiet spool outer peripheral face and the valve interior wall be can reduce simultaneously, product quality and function helped promoting.
Rectangular, the square or semicircle of above-mentioned spiral fluted cross section is good with semicircular in shape.This helicla flute can also be that the single head helicla flute can also multi-head spiral groove.
It is good cooperating with plane contact between the outer face 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 outer face 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.
Because bushing pipe outer peripheral face and valve body outer peripheral face are smooth structure, therefore be fixed together to good in mode between above-mentioned bushing pipe outer peripheral face and the valve interior wall by extruding, the mode of extruding has the simple advantage in location, for not damaging the helicla flute on the quiet valve core outer surface, described left and right quiet spool is fixed by alignment pin and bushing pipe inwall.
The first above-mentioned spout hole laterally runs through the axle center of left quiet spool; Described second spout hole laterally runs through the axle center of right quiet spool.Because spout hole is arranged on the place, axle center of quiet spool, be convenient to processing location to spout hole.
Above-mentioned movable valve plug periphery has at least two evaginations and projection described bushing pipe inwall sliding fit, and movable valve plug has cavity between outer peripheral face between two projections and bushing pipe inwall, and this cavity forms described passage.The processing mode of this passage is more simple compared with the processing through hole, and processing cost is low.
Above-mentioned movable valve plug periphery has four evaginations and projection described bushing pipe inwall sliding fit, and these four projections evenly are provided with at interval along the movable valve plug outer peripheral face.The stability that four projections can be guaranteed movable valve plug slippage in bushing pipe evenly is set at interval.Certainly also two or more projections.
Compared with prior art, advantage of the present utility model is: it has increased these parts of bushing pipe, 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 with the bushing pipe outer face, each parts is in place, therefore install very convenient, while is according to the profile and the size of quiet spool, need be provided with bushing pipe in the somewhere of quiet spool and fix, we can record just in the bushing pipe outside where alignment pin or screw need be set, so the location of quiet spool is also accurately convenient.
Description of drawings
Fig. 1 is the structure cutaway view of the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the structural representation of quiet spool among the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Be depicted as embodiment of the present utility model as Fig. 1～3.
A kind of throttle pipe of household air conditioner, include tubular valve body 1, valve body 1 is generally made by copper or aluminium or steel pipe, be interval with left and right quiet spool 2,3 in the valve body 1, have first spout hole 21 that passes through for cold-producing medium in the quiet spool 2 in a described left side, this first spout hole 21 laterally runs through the axle center of left quiet spool 2; Have second spout hole 31 that passes through for cold-producing medium in the quiet spool 3 in the described right side, this second spout hole 31 laterally runs through the axle center of right quiet spool 3, and the axle center that first and second spout hole 21,31 is arranged on left and right quiet spool 2,3 is located, and is convenient to processing like this.
Also be provided with a bushing pipe 6 between left and right quiet spool 2,3 and movable valve plug 4 and valve body 1 inwall, these bushing pipe 6 usefulness metal materials are made, and this bushing pipe 6 is fixed together with the mode of described valve body 1 inwall by extruding.
Described left and right quiet spool 2,3 fixed interval are in described bushing pipe 6, described left and right quiet spool 2,3 is fixed by alignment pin 5 and bushing pipe 6 inwalls, be that left and right quiet spool 2,3 is fixed with valve body 1 indirectly, the outer face of each quiet spool 2,3 flushes with the outer face of described bushing pipe 6.
The outer peripheral face of the quiet spool 2 in a described left side has first helicla flute 22 that passes through for cold-producing medium through whole outer surface, and the outlet at these helicla flute 22 two ends runs through the interior outer face of left quiet spool 2; The outer peripheral face of the quiet spool 3 in the described right side is equipped with second helicla flute 32 that passes through for cold-producing medium through whole outer surface, and the outlet at these second helicla flute, 32 two ends runs through the interior outer face of right quiet spool 3.The cross section semicircular in shape of first and second helicla flute 22,32 in the present embodiment can certainly be rectangle or square.The left outer face of described movable valve plug 4 can contact with the inner face of the quiet spool 2 in a left side and cooperate so that first spout hole 21 is blocked, the right outer face of movable valve plug 4 can contact with the inner face of the quiet spool 3 in the right side and cooperate so that first spout hole 31 is blocked, and cooperates for plane contact between two outer faces of movable valve plug 4 and the inner face of this left and right quiet spool 2,3.
Also be provided with the movable valve plug 4 of bushing pipe 6 axial slips relatively in the bushing pipe 6 between left and right quiet spool 2,3, movable valve plug 4 can adopt copper or aluminium or plastics to make, movable valve plug 4 two ends are cylindric, 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 movable valve plug 4 peripheries have four evaginations and projections 41 described bushing pipe 6 inwall sliding fits, these four projections 41 evenly are provided with at interval along movable valve plug 4 outer peripheral faces, movable valve plug 4 has cavity X between the outer peripheral face of 41 of two projections and bushing pipe 6 inwalls, this cavity X-shaped becomes described passage for cold-producing medium, and the stability that four projections 41 can be guaranteed movable valve plug 4 slippage in bushing pipe 61 evenly is set at interval.
Among aforementioned two embodiment, the axial length of described left and right quiet spool 2,3 can be inequality, cold-producing medium is from the length difference of the mobile helicla flute 22,32 on the left and right quiet spool that passes through of both direction successively, can satisfy refrigeration respectively and the capillary pipe length of required coupling when heating, it is a routine techniques.Can also realize that spiral fluted length transforms mutually to adapt to refrigeration and heating condition in the change air-conditioning refrigeration system by making the helicla flute profile difference on the two quiet spools.
The operation principle and the process of present embodiment are as follows:
When cold-producing medium flows into from valve body 1 right-hand member, mainly the spout hole 31 of quiet spool 3 flows into cold-producing medium from the right side, promoting movable valve plug 4 moves to left, the left side of movable valve plug 4 contact with the right inner face of left quiet spool 2 with the quiet spool 3 in a left side spout hole 31 block, therefore, cold-producing medium can only flow through 22 discharges of the helicla flute on the quiet spool 2 via a left side again at the outer peripheral face and the cavity X between valve body 1 inwall of 41 of two projections by movable valve plug 4, to play the effect of throttling.When cold-producing medium when valve body 1 left end flows into, its process is with aforementioned opposite.
Claims (8)
1, a kind of throttle pipe of household air conditioner, include tubular valve body (1), be disposed on left quiet spool (2) and right quiet spool (3) in the described valve body (1), has first spout hole (21) that passes through for cold-producing medium in the quiet spool in a described left side (2), has second spout hole (31) that passes through for cold-producing medium in the quiet spool in the described right side (3), in valve body (1), also be provided with valve body (a 1) axial slip and be positioned at a left side relatively, right two quiet spools (2,3) movable valve plug between (4), the outer face, the left and right sides of this movable valve plug (4) can be respectively and a described left side, right quiet spool (2,3) contact of inner face cooperates with first, two spout holes (21,31) block; Described left and right quiet spool (2,3) is provided with capillary channel, and described movable valve plug (4) is provided with and can goes up the passage that capillary channel communicates and passes through for cold-producing medium with left and right quiet spool (2,3);
It is characterized in that: between left and right quiet spool (2,3) and movable valve plug (4) and valve body (1) inwall, also be provided with a bushing pipe (6), this bushing pipe (6) is fixed with described valve body (1) inwall, described left and right quiet spool (2,3) fixed interval is in described bushing pipe (6), and the outer face of each quiet spool (2,3) flushes with the outer face of described bushing pipe (6).
2, throttle pipe of household air conditioner according to claim 1, it is characterized in that: the outer peripheral face of the quiet spool in a described left side (2) has first helicla flute (22) that passes through for cold-producing medium through whole outer surface to form described capillary channel, and the outlet at these first helicla flute (22) two ends runs through the interior outer face of left quiet spool (2);
The outer peripheral face of the quiet spool in the described right side (3) has second helicla flute (32) that passes through for cold-producing medium through whole outer surface to form capillary channel, and the outlet at these second helicla flute (32) two ends runs through the interior outer face of right quiet spool (3).
3, throttle pipe of household air conditioner according to claim 2 is characterized in that: rectangular, the square or semicircle of the cross section of described helicla flute (22,32).
4, throttle pipe of household air conditioner according to claim 2 is characterized in that: cooperate for plane contact between the inner face of the outer face of described movable valve plug (4) and left and right quiet spool (2,3).
5, throttle pipe of household air conditioner according to claim 2, it is characterized in that: the mode by extruding between described bushing pipe (6) outer peripheral face and valve body (4) inwall is fixed together, and described left and right quiet spool (2,3) is fixed by alignment pin (5) and bushing pipe (6) inwall.
6, throttle pipe of household air conditioner according to claim 1 is characterized in that: described first spout hole (21) laterally runs through the axle center of left quiet spool (2); Described second spout hole (31) laterally runs through the axle center of right quiet spool (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 movable valve plug (4) periphery has at least two evaginations and projection (41) described bushing pipe (6) inwall sliding fit, movable valve plug (4) has cavity (X) between outer peripheral face between two projections (41) and bushing pipe (6) inwall, this cavity (X) forms described passage.
8, throttle pipe of household air conditioner according to claim 5, it is characterized in that: described movable valve plug (4) periphery has four evaginations and projection (41) described bushing pipe (6) inwall sliding fit, and these four projections (41) evenly are provided with at interval along movable valve plug (4) outer peripheral face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201219181U CN201265988Y (en) | 2008-07-23 | 2008-07-23 | Household air conditioner throttle pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201219181U CN201265988Y (en) | 2008-07-23 | 2008-07-23 | Household air conditioner throttle pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265988Y true CN201265988Y (en) | 2009-07-01 |
Family
ID=40832359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201219181U Expired - Fee Related CN201265988Y (en) | 2008-07-23 | 2008-07-23 | Household air conditioner throttle pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265988Y (en) |
-
2008
- 2008-07-23 CN CNU2008201219181U patent/CN201265988Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20130723 |