A kind of throttle pipe of household air conditioner
Technical field
The present invention relates to a kind of domestic air conditioning technical field, specifically refer to a kind of throttle pipe of household air conditioner that can significantly reduce the best Energy Efficiency Ratio of cold-producing medium and energy resource consumption that has.
Background technology
The version of existing household air conditioner flow regulation pipe is more, be 200420090859.8 " a kind of air conditioner refrigerating throttle pipes " wherein as China Patent No., 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 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, one overall structure respectively is set, making and adjustment in being not easy to produce by batch about the deciding piece and be of above-mentioned " a kind of air conditioner refrigerating throttle pipe "; Next is generalization, seriation and the standardization that is unfavorable for product development.
Summary of the invention
Technical problem to be solved by this invention is exactly the present situation at above-mentioned prior art, provide a kind of structure comparatively rationally, produce in batches in cost lower and help generalization, seriation and the standardized throttle pipe of household air conditioner of product development.
The present invention will solve the problems of the technologies described above the technical scheme that is adopted: a kind of throttle pipe of household air conditioner, comprise the motion block of device in metal tube, the left side of this motion block, right both sides are furnished with a left side respectively and decide piece and decide piece with the right side, this left side is decided piece and this right side and is decided be separated by suitable distance and be individually fixed in the inwall of described metal tube of piece, described motion block is provided with motion block capillary aperture and runs through this motion block axle center, this motion block can decide piece on the described right side and a described left side decides to be free to slide between the piece, a described left side decide piece and the described right side decide piece respectively be provided with connect the axle center decide piece capillary aperture and corresponding with the position of described motion block capillary aperture, a described left side is decided piece and the described right side and is decided piece it along the circumferential direction also respectively is provided with a plurality of axial spout holes, and decide between the piece on a described motion block left side and a described left side, described motion block right side decides with the described right side that the corresponding counterface that contacts is set to the plane between the piece, taper seat or sphere; Piece and the described right side are decided in a described left side, and to decide the other end of piece be plane; It is characterized in that: a described left side is decided piece, the described right side and is decided each at least one branch that is differed by axial length dimension of piece piece of halting and combine.
Adopted the halt structure of piece combination of above branch, making and adjustment in helping producing by batch, and can promote generalization, seriation and the standardization of product; Thereby realize reducing production costs and improving the quality of products.
The described branch piece of halting can adopt stacked conducting plate and shape superposition to form; Perhaps adopt the stacked conducting plate superposition to form; Perhaps adopt integral type to make.
As an improvement of the present invention, a described left side is decided piece, the described right side and is decided can respectively be provided with one or more annular groove on the external diameter of piece; A described left side is decided piece, the described right side and is decided that the annular groove of piece is uniform vertically respectively to be set to 2~5.Described annular groove the best is set to 3; Its beneficial effect is that this annular groove can prevent that fluid from deciding leakage between piece external diameter and the described inner wall of metal tube from this, thereby improves the economy of refrigeration system of the present invention.
Described annular groove cross section can be set to rectangle, square or semicircle; This chooses according to different processing conditions.
Described metal tube can adopt pipe, square tube, rectangular tube, polygon pipe, flat tube or oval metal tube; Described pipe, oval pipe internal diameter can be set to φ 5~φ 25mm; Described square tube, rectangular tube, polygon pipe, flat tube can be set to 5~25mm to the length of side.
Described metal tube length can be set to 20~250mm.
Piece is decided on described motion block, a described left side, the described right side is decided piece and can be adopted copper, aluminium, steel or iron material to make.
Described motion block, a described left side are decided piece, the described right side and are decided the length of piece and can be set to 5~250mm.
Described aperture of deciding piece capillary aperture, described motion block capillary aperture can be set to φ 0.5~φ 2.5mm.
The axial spout hole that a described left side decides to decide piece in the described right side of piece can be set to circular hole, square hole, tri-angle-holed, crescent moon hole, mounting hole or polygonal hole; Can choose according to different processing conditions.Described circular hole aperture can be φ 1~φ 4mm; Described square hole, polygonal hole can be 1~4mm to the length of side.
Adopted the structure of the length dimension that the capillary hole diameter of deciding piece, motion block of above combination is complementary with it, realized significantly reducing production costs, cold-producing medium and energy resource consumption, its Energy Efficiency Ratio height, and also simple in structure, so production cost is lower.
A described left side is decided piece, the described right side and is decided the axial spout hole of piece and can respectively be set to 2~8.The capillary pipe length of required coupling when axially spout hole can satisfy refrigeration respectively and heat.
The present invention is owing to adopted the structure of dividing the piece combination of halting, and compared with prior art its advantage is that structure is more reasonable, and generalization, seriation and the standardization that can promote product are to reduce production costs and to improve the quality of products.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the side view of motion block of the present invention;
Fig. 3 decides the side view of piece for the present invention;
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Fig. 3 shows the embodiment of throttle pipe of household air conditioner of the present invention, and it comprises metal tube 1 and is placed on the motion block 2 of metal tube 1 inside; The left and right sides of this motion block 2 is furnished with branch that one or more its axial length dimension the differ piece of halting respectively and combines.The described branch piece of halting adopts stacked conducting plate and shape superposition to form; Perhaps adopt the stacked conducting plate superposition to form; Perhaps adopt integral type to make.Thisly decide generalization, seriation and the standardization that the piece combining structure is convenient to produce by batch and adjust and help product development; Thereby reduce production costs and improve the quality of products.
There is a motion block capillary aperture 5 in motion block 2 axle center, and it runs through motion block 2 axle center.
Motion block 2 left sides decide between the piece 3 with a left side, motion block 2 right sides decide with the right side that the corresponding counterface that contacts is set to plane, taper seat or sphere between the piece 4; It is plane with right other end of deciding piece 4 that piece 3 is decided on a left side.
Be set to be slidingly matched between motion block 2 and metal tube 1 endoporus, and can reciprocatingly slide.
A left side decide piece 3 and the right side and is decided in the endoporus that piece 4 is separately fixed at metal tube 1; A left side decide piece 3 and the right side and is decided piece 4 and respectively be provided with and decide piece capillary aperture 6, and this is decided piece capillary aperture 6 and runs through the axle center that this decides piece; And it is corresponding with the position of motion block capillary aperture 5.
A left side decide piece 3 or right decide piece 4 and respectively be uniformly distributed with a plurality of axial spout holes 7 along the circumference, and each decides piece 3 and piece 4 is decided on the right side this axial spout hole 7 through a left side.When cold-producing medium by behind this axial spout hole 7, promotion motion block 2 moves up and down, and this motion block 2 slided to decides piece.
If piece 3 and right all axial spout hole 7 passages of deciding piece 4 decide in a sealing left side, then the motion block capillary aperture 5 that cold-producing medium can only Slave Block 2 centers is to deciding 6 outflows of piece capillary aperture.
Because it is different with the right axial dimension of decide piece 4 that piece 3 decide on a left side, therefore, cold-producing medium from two directions mobile the capillary channel length of process just inequality, can satisfy respectively like this and freeze and the capillary pipe length of required coupling when heating.
Metal tube 1 adopts pipe, square tube, rectangular tube, polygon pipe, flat tube, oval pipe; Metal tube 1 material can copper, aluminium or steel are made.
When metal tube 1 adopted pipe, oval pipe, its internal diameter was φ 5~φ 25mm, or when adopting square tube, flat tube polygon pipe or rectangular tube, it is 5~25mm to the length of side.
Metal tube 1 length is 20~250mm.Metal tube 1 external diameter is provided with a plurality of outer grooves 9.
Piece 3 is decided on a left side, piece 4 is decided on the right side and motion block 2 materials can adopt copper or aluminium or steel or iron.
Piece 3 is decided on a left side, piece 4 is decided on the right side and motion block 2 total lengths are 5~250mm.
Decide piece 3, decide the capillary aperture 6 of piece 4 and the aperture of motion block 2 capillary apertures 5 is φ 0.5~φ 2.5mm.
It can be circular hole, square hole, tri-angle-holed, crescent moon hole, mounting hole or polygonal hole that spout hole 7 that piece 3, the right side decide piece 4 decide on a left side.Wherein: the circular hole aperture is φ 1~φ 4mm; Square hole, polygonal hole are 1~4mm to the length of side.
It is 2~8 with the right spout hole 7 of deciding piece 4 that piece 3 is decided on a left side.
A left side decide piece 3 and is decided piece 4 external diameters with the right side and be provided with one or more annular groove 8, and these annular groove 8 cross sections can be rectangles, square or semicircle.This annular groove is decided leakage between piece external diameter and the described inner wall of metal tube in order to prevent fluid from this, thereby improves the economy of refrigeration system of the present invention.