A kind of liquid reservoir
Technical field
The invention belongs to refrigeration accessory technical field, specifically relate to a kind of liquid reservoir.
Background technology
In the prior art, liquid reservoir (as depicted in figs. 1 and 2) comprises air inlet pipe, upper end cover, reticulum, bottom end cover, middle cylinder body, escape pipe, iron pipe, support, filter screen; Air inlet pipe and upper end cover adopt gas brazing; Escape pipe and iron pipe adopt gas brazing; Iron pipe and bottom end cover adopt furnace brazing; Middle cylinder body and upper end cover, bottom end cover adopt furnace brazing; Support and iron pipe adopt furnace brazing; Support and middle cylinder body adopt furnace brazing; As can be seen from above-mentioned technical scheme, existing liquid reservoir exists needs the place of welding many, complex structure and other problems, and liquid reservoir is occurred, and welding quality is unstable, welding efficiency is low, welding cost and the problem such as the cost of raw material is high.
And existing liquid reservoir and compressor case barrel soldering time, need first by cylinder tube connector press-in cylinder-bore, connect for transition, after gas brazing is closely knit, shell copper pipe is connected again at compressor case cylindrical shell place flame welding, finally escape pipe is inserted cylinder tube connector, now, be followed successively by compressor case cylindrical shell, shell copper pipe, cylinder-bore, cylinder tube connector and escape pipe from outside to inside, compressor case cylindrical shell, shell copper pipe, cylinder tube connector and escape pipe are carried out gas brazing simultaneously, liquid reservoir and compressor are held together; Because each connecting portion is all welded by open-flam soldering, in welding process, liquid reservoir heated time is long, and all can produce a large amount of oxide skin in liquid reservoir escape pipe and middle cylinder body, impurity also increases thereupon, easily causes line clogging; And the copper tubing that existing liquid reservoir uses is more, adds the cost of manufacturer.
Summary of the invention
The present invention mainly solves the technical problem existing for above-mentioned prior art, a kind of liquid reservoir is provided, the one-time formed cylindrical shell of spinning process is adopted by the upper end cover of existing liquid reservoir, middle cylinder body and bottom end cover being changed into, decrease the pad of liquid reservoir, improve production efficiency, and make liquid reservoir outward appearance more attractive in appearance; And air inlet pipe adopts copper pipe to add the combination of flange, makes the welding manner of air inlet pipe and cylindrical shell change electric resistance welding into by original gas brazing, reduces the welding cost of liquid reservoir, improve welding quality and the welding efficiency of product; Also by original escape pipe being changed into iron pipe and the combination of centreless grinding iron pipe, make centreless grinding iron pipe directly can adopt interference fit with cylinder-bore, do not need cylinder tube connector and the transition of shell copper pipe, decrease the use amount of copper, significantly reduce the cost of raw material of product, and simplify welding procedure, improve production efficiency.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of liquid reservoir, and connect on the compressor, comprise cylindrical shell, described barrel front end arranges air inlet pipe, described air inlet pipe is arranged the first flange; Described cylinder back-end arranges iron pipe, and the tail end of described iron pipe arranges centreless grinding iron pipe, is nested with the second flange outside the junction of described iron pipe and centreless grinding iron pipe, and described second flange is connected with compressor case cylindrical shell; Described centreless grinding iron pipe is connected with the cylinder-bore of compressor by interference fit.
As preferably, described flange, cylindrical shell and iron pipe are ferrous material, and described air inlet pipe is copper material.
As preferably, also arrange filter screen and positioning convex point in described cylindrical shell, described positioning convex point adopts rolling technology to be fixed on cylindrical shell by filter screen.
As preferably, described iron pipe arranges anchor point, facilitate when iron pipe and barrel soldering and locate.
As preferably, described air inlet pipe and the first flange adopt gas brazing welding; Described first flange and cylindrical shell adopt electric resistance welding; By the second flange, the junction of described iron pipe and centreless grinding iron pipe is adopted furnace brazing welding; Described cylindrical shell and iron pipe adopt electric resistance welding; Described second flange and compressor case cylindrical shell adopt electric resistance welding.
The beneficial effect that the present invention has: adopting the one-time formed cylindrical shell of spinning process by the upper end cover of existing liquid reservoir, middle cylinder body and bottom end cover being changed into, decreasing the pad of liquid reservoir, improve production efficiency, and making liquid reservoir outward appearance more attractive in appearance; And air inlet pipe adopts copper pipe to add the combination of flange, makes the welding manner of air inlet pipe and cylindrical shell change electric resistance welding into by original gas brazing, reduces the welding cost of liquid reservoir, improve welding quality and the welding efficiency of product; Also by original escape pipe being changed into iron pipe and the combination of centreless grinding iron pipe, make centreless grinding iron pipe directly can adopt interference fit with cylinder-bore, do not need cylinder tube connector and the transition of shell copper pipe, decrease the use amount of copper, significantly reduce the cost of raw material of product, and simplify welding procedure, improve production efficiency.Therefore the present invention has the features such as structure is simple, reasonable in design.
Accompanying drawing explanation
Fig. 1 is a kind of sectional view of existing liquid reservoir.
Fig. 2 is the partial enlarged drawing of existing liquid reservoir.
Fig. 3 is a kind of sectional view of the present invention.
In figure: 1, air inlet pipe; 2, upper end cover; 3, reticulum; 4, bottom end cover; 5, middle cylinder body; 6, escape pipe; 7, iron pipe; 8, support; 9, filter screen; 10, compressor case cylindrical shell; 11, cylinder-bore; 12, the first flange; 13, cylindrical shell; 14, positioning convex point; 15, centreless grinding iron pipe; 16, anchor point; 17, cylinder tube connector; 18, shell copper pipe; 19, the second flange.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment: a kind of liquid reservoir, connect on the compressor, as shown in Figure 3, liquid reservoir comprises cylindrical shell, and described barrel front end arranges air inlet pipe, described air inlet pipe is arranged the first flange; Described cylinder back-end arranges iron pipe, and the tail end of described iron pipe arranges centreless grinding iron pipe, is nested with the second flange outside the junction of described iron pipe and centreless grinding iron pipe, and described second flange is connected with compressor case cylindrical shell; Described centreless grinding iron pipe is connected with the cylinder-bore of compressor by interference fit; Described flange, cylindrical shell and iron pipe are ferrous material, and described air inlet pipe is copper material; Also arrange filter screen and positioning convex point in described cylindrical shell, described positioning convex point adopts rolling technology to be fixed on cylindrical shell by filter screen; Described iron pipe arranges anchor point, facilitates when iron pipe and barrel soldering and locate; Described air inlet pipe and the first flange adopt gas brazing welding, and described first flange and cylindrical shell adopt electric resistance welding; By the second flange, the junction of described iron pipe and centreless grinding iron pipe is adopted furnace brazing welding; Described cylindrical shell and iron pipe adopt electric resistance welding; Described second flange and compressor case cylindrical shell adopt electric resistance welding.
During production, first filter screen is fixed in cylindrical shell by rolling technology, then make cylindrical shell shaping by rotary pressure technology, then by the second flange, centreless grinding iron pipe and iron pipe furnace brazing are welded together, finally the first flange, the second flange are connected on cylindrical shell two ends by Resistance Welding; The present invention adopts the one-time formed cylindrical shell of spinning process by the upper end cover of existing liquid reservoir, middle cylinder body and bottom end cover being changed into, decreases the pad of liquid reservoir, improves production efficiency, and make liquid reservoir outward appearance more attractive in appearance; And air inlet pipe adopts copper pipe to add the combination of flange, makes the welding manner of air inlet pipe and cylindrical shell change electric resistance welding into by original gas brazing, reduces the welding cost of liquid reservoir, improve welding quality and the welding efficiency of product; Also by original escape pipe being changed into iron pipe and the combination of centreless grinding iron pipe, make centreless grinding iron pipe directly can adopt interference fit with cylinder-bore, do not need cylinder tube connector and the transition of shell copper pipe, decrease the use amount of copper, significantly reduce the cost of raw material of product, and simplify welding procedure, improve production efficiency.
Finally, it should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, the invention is not restricted to above-described embodiment, many distortion can also be had.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all should think and belong to protection scope of the present invention.