Crossover sub and air conditioner
Technical field
The utility model relates to air-conditioning component technical field, in particular to a kind of crossover sub and air conditioner.
Background technique
Crossover sub of the prior art is generally used for the conversion of connecting tube caliber, crossover sub adopts the union nut of ready-made standard size and the pipe joint of standard size in the prior art, the middle mode adopting an adapter to carry out bell mouth expanding forms an assembly parts to carry out the different caliber of conversion, though the requirement of standard and Security can be met, but due to adapter and the tie point of union nut and pipe joint more, install bad or failure welding easily causes leakage.
Model utility content
There is provided a kind of crossover sub and air conditioner in the utility model embodiment, with solve crossover sub in prior art due to tie point more and easily cause the problem of leaking.
For solving the problems of the technologies described above, the utility model provides a kind of air-conditioning system, and crossover sub comprises: main part, and main part has through hole; Main part has the first portion and second portion that bearing of trend is vertically disposed adjacent, and through hole is the first hole section at place of first portion, connects screw thread in the first hole section has; Main part has external connection screw on the outer wall at second portion place.
Further, through hole is positioned at second portion place and also has the second hole section and the 3rd hole section, and the first hole section is communicated with the first end of the second hole section, and the 3rd hole section is communicated with the second end of the second hole section, and the diameter of the second hole section is reduced gradually by first end to the second end.
Further, the diameter of the first hole section is greater than the diameter of the 3rd hole section.
Further, the link position place of the first hole section and the second hole section is provided with annular screens groove.
Further, the diameter of annular screens groove is greater than the diameter of the first hole section.
Further, main part is formed in one structure.
According to another aspect of the present utility model, provide a kind of air conditioner, comprise crossover sub, crossover sub is for changing different connecting tubes, and described crossover sub is above-mentioned crossover sub.
Application the technical solution of the utility model, consider under the high pressure of long-term coolant system and the system shock of refrigerant, prevent from occurring bad reaction in long process, crossover sub is connected with stop valve by the first hole section connecing screw thread in having, and ensures that this connection part can be changed normally; Main part is fastened on other connection set at the outer wall at second portion place.The through hole being positioned at main part second portion is used to the connecting tube arranging connection set (indoor apparatus of air conditioner), the hole section diameter that through hole is positioned at second portion can regulate, can be switched by corresponding adjustment different tube diameters by the size of producing different diameters, use above the especially air conditioner type being applicable to freely to join of this type of crossover sub more, freely can match different tube diameters connecting tube of should arranging in pairs or groups.Because the conversion directly being carried out connecting tube by crossover sub of the present utility model is connected, and do not need to produce tie point with connecting tube, this avoid the bad or failure welding of the installation of the more rear generation of tie point, the situation generation avoiding leakage effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the crossover sub of the utility model embodiment.
Description of reference numerals:
10, main part; 11, first portion; 12, second portion; 20, through hole; 21, the first hole section; 22, the second hole section; 23, the 3rd hole section; 211, annular screens groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Shown in Figure 1, according to embodiment of the present utility model, provide a kind of crossover sub, be useful in air conditioner and change the connecting tube of transmission refrigerant, crossover sub comprises main part 10, and main part 10 has through hole 20; Main part 10 has the first portion 11 and second portion 12 that bearing of trend is vertically disposed adjacent, and through hole 20 is meet screw thread A in the first hole section 21, first hole section 21 has at place of first portion 11; Main part 10 has external connection screw B on the outer wall at second portion 12 place.
Consider under the high pressure of long-term coolant system and the system shock of refrigerant, prevent from occurring bad reaction in long process, crossover sub is connected with stop valve by the first hole section 21 meeting screw thread A in having, and ensures that this connection part can be changed normally; Main part 10 is fastened on other connection set at the outer wall at second portion 12 place.The through hole being positioned at main part 10 second portion is used to the connecting tube arranging connection set (indoor apparatus of air conditioner), the hole section diameter that through hole is positioned at second portion can regulate, can be switched by corresponding adjustment different tube diameters by the size of producing different diameters, use above the especially air conditioner type being applicable to freely to join of this type of crossover sub more, freely can match different tube diameters connecting tube of should arranging in pairs or groups.Because the conversion directly being carried out connecting tube by crossover sub of the present utility model is connected, and do not need to produce tie point with connecting tube, this avoid the bad or failure welding of the installation of the more rear generation of tie point, the situation generation avoiding leakage effectively.
See Fig. 1, through hole 20 is positioned at second portion 12 place and also has the second hole section 22 and the 3rd hole section 23, first hole section 21 is communicated with the first end of the second hole section 22,3rd hole section 23 is communicated with the second end of the second hole section 22, the diameter of the second hole section 22 is reduced gradually by first end to the second end, and the diameter of the first hole section 21 is greater than the diameter of the 3rd hole section 23.
In order to make connection stop valve more stable, in the present embodiment, the link position place of the first hole section 21 and the second hole section 22 is provided with annular screens groove 211.The diameter of annular screens groove 211 is greater than the diameter of the first hole section 21.When the first hole section 21 is threaded with stop valve, the end position of stop valve snaps fit onto in annular screens groove, and annular screens groove also serves the effect that guiding refrigerant or other fluids enter into the second hole section connecting tube.
Consider that main part in the present embodiment is by under the system shock of the high pressure and refrigerant that are in coolant system for a long time, so the structural strength in order to strengthen main part, thickeies the thickness at its each position, the structure so the main part 10 in the present embodiment is formed in one.Like this when manufacture crossover sub, in any case the diameter of change the 3rd hole section, the intensity of crossover sub can be protected.
The utility model additionally provides a kind of embodiment of air conditioner, and in air conditioner, air conditioner outdoor machine is the outer machine of standard, and when connecting different indoor apparatus of air conditioner, the connecting tube of employing is different, and then uses crossover sub to carry out conversion connection.Crossover sub in air conditioner is the crossover sub in above-described embodiment.
Crossover sub is connected with stop valve by the first hole section connecing screw thread in having, and ensures that this connection part can be changed normally; Main part is fastened on other connection set at the outer wall at second portion place.The through hole being positioned at main part second portion is used to the connecting tube arranging connection set (indoor apparatus of air conditioner), the hole section diameter that through hole is positioned at second portion can regulate, can be switched by corresponding adjustment different tube diameters by the size of producing different diameters, use above the especially air conditioner type being applicable to freely to join of this type of crossover sub more, freely can match different tube diameters connecting tube of should arranging in pairs or groups.
Certainly, be more than preferred implementation of the present utility model.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model basic principle, can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.