CN217715543U - Single-tube liquid storage device - Google Patents

Abstract

The utility model discloses a single tube reservoir, include: an air inlet pipe and an air outlet pipe are respectively inserted at two ends of the shell, an air outlet connecting pipe is arranged in the shell, and the air outlet connecting pipe is fixed and communicated with the air outlet pipe; the outer side wall of the supporting tube is tightly attached to the inner side wall of the shell, the closed end of the supporting tube is recessed to form a groove, the closed end of the supporting tube is provided with an inserting hole, a first through hole and a second through hole, a supporting cover is plugged at the notch of the groove, and one end of the air outlet connecting tube is limited in a space defined by the groove and the supporting cover; the outside of supporting the lid is fixed with the filter screen, and the filter screen is sheltered from to through-hole two realization. The utility model ensures that the refrigerant enters the shell from the air inlet pipe, is filtered by the filter screen, then sequentially passes through the second through hole, the first through hole and the air outlet connecting pipe, and the liquid refrigerant and impurities are effectively intercepted in the shell; on the other hand, stay tube, support lid and filter screen integration are in the same place for casing inner structure is simple, and processing is convenient, reduces its manufacturing cost.

Description

Single-tube liquid storage device

Technical Field

The utility model relates to a refrigeration plant field, more specifically say so and relate to a single tube reservoir.

Background

The liquid accumulator is mainly used for carrying out noise reduction, buffering, gas-liquid separation and filtration on the refrigerant which flows back to the compressor from the air conditioner evaporator. The inside of the liquid storage device is generally provided with two parts of structures, one part of the structure is specially used for supporting the air outlet connecting pipe, the other part of the structure is used for filtering, the refrigerator is firstly filtered after entering the liquid storage device, then the gaseous refrigerant is discharged into the compressor from the air outlet pipe, and the liquid refrigerant and impurities can be intercepted inside the liquid storage device; the existing liquid storage device has poor effects of gas-liquid separation, buffering and the like of a refrigerant, and has the disadvantages of complex structure and processing technology, high production cost and unnecessary cost waste.

Therefore, how to provide a single-tube liquid reservoir which can overcome the above problems is a problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a single tube reservoir.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a single-tube reservoir, comprising:

the air inlet pipe and the air outlet pipe are respectively inserted into the openings at the two ends of the shell, an air outlet connecting pipe is arranged in the shell, and one end of the air outlet connecting pipe is fixed and communicated with the air outlet pipe;

the filter assembly comprises a supporting pipe, a supporting cover and a filter screen, one end of the supporting pipe is open, the other end of the supporting pipe is closed, the outer side wall of the supporting pipe is tightly attached to the inner side wall of the shell, the closed end of the supporting pipe is sunken inwards to form a groove, the closed end of the supporting pipe is provided with a plugging hole, a plurality of first through holes and a plurality of second through holes, the plugging hole corresponds to the bottom wall of the groove, the plurality of first through holes correspond to the groove side wall of the groove, the plurality of second through holes are arranged adjacent to the groove, the supporting cover is plugged at the notch of the groove, and one end, away from the air outlet pipe, of the air outlet connecting pipe is limited in a space defined by the groove and the supporting cover after penetrating through the plugging hole; the outside of supporting the lid is fixed with the filter screen, the filter screen is right the second realization of through-hole shelters from.

According to the technical scheme, compared with the prior art, the utility model discloses a single-tube liquid storage device, the utility model discloses a through setting up stay tube and support lid, the one end that the outlet duct was kept away from to the takeover of giving vent to anger is inserted and is established to the stay tube, support the lid outside and be fixed with the filter screen, on the one hand above-mentioned setting ensures that the refrigerant gets into in the casing from the intake pipe, can be first through the filtration of filter screen, then pass through hole two, through-hole one and the takeover of giving vent to anger in proper order, discharge to the compressor from the outlet duct at last, liquid refrigerant and impurity can be effectively intercepted to the casing; on the other hand, stay tube, support lid and filter screen integration together for casing inner structure is simple, and processing is convenient, reduces its manufacturing cost.

Preferably, the cross section of the groove is isosceles trapezoid, the area of the notch of the groove is larger than the area of the groove bottom of the groove, the insertion hole is formed in the middle of the groove bottom of the groove, and the through holes are uniformly arranged along the circumferential direction of the supporting tube. The groove and the supporting cover can form a semi-closed cavity of the refrigerant, the groove is formed in the above mode, the purpose of noise reduction is mainly achieved, the refrigerant flows into the semi-closed cavity from the first through holes in the lower portion of the refrigerant and is quite silent, foreign matters in the liquid refrigerant and the refrigerant can be isolated, and the refrigerant is prevented from entering the compressor.

Preferably, the plurality of second through holes are uniformly distributed along the circumferential direction of the supporting tube, and the groove is limited in an annular area defined by the plurality of second through holes. This arrangement can improve the flow rate of the refrigerant passing through the second through-hole.

Preferably, still including keeping off the ring, the blind end outside coaxial fixation of stay tube has keep off the ring, the outline of filter screen is circular and its coaxial spacing is in it is inboard to keep off the ring, keep off the ring with the filter screen is a plurality of jointly the through-hole two shelters from, keeps off the ring and can fix reliably the filter screen spacing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional view of a single tube reservoir in accordance with one embodiment;

FIG. 2 is a cross-sectional view of a filter assembly of one-tube reservoir in accordance with one embodiment;

FIG. 3 is a front view of a filter assembly of one-tube reservoir in accordance with one embodiment;

fig. 4 is a sectional view of a single-tube reservoir in accordance with a second embodiment;

FIG. 5 is a cross-sectional view of the filter assembly of a single tube accumulator according to the second embodiment;

fig. 6 is a front view of a filter assembly of a single tube accumulator according to a second embodiment.

In the figure:

the device comprises a shell 1, an end cover I10, a connecting pipe 11, an end cover II 12, an air inlet pipe 2, an air outlet pipe 3, an air outlet connecting pipe 4, a supporting pipe 5, a plugging hole 50, a through hole I51, a through hole II 52, a supporting cover 6, a filter screen 7 and a retaining ring 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a single tube reservoir, the utility model discloses a set up support tube 5 and support lid 6, the one end that outlet pipe 3 was kept away from to outlet pipe 4 is inserted and is established to support tube 5, support the lid 6 outside and be fixed with filter screen 7, above-mentioned setting ensures on the one hand that the refrigerant enters into casing 1 from intake pipe 2, can pass through the filtration of filter screen 7 earlier, then pass through hole two 52, through hole one 51 and outlet pipe 4 in proper order, discharge to the compressor from outlet pipe 3 finally, liquid refrigerant and impurity can be effectively intercepted to casing 1 in, and, the refrigerant passes through hole one 51 again and enters into outlet pipe 4 after passing through hole two 52, the flow time and the route of refrigerant in casing 1 lengthen, make this reservoir can play good buffering noise reduction effect; on the other hand, the supporting tube 5, the supporting cover 6 and the filter screen 7 are integrated together, so that the inner structure of the shell 1 is simple, the processing is convenient, and the production cost is reduced.

Example one

Refer to the overall and partial structural schematic diagrams of this embodiment 1-3 in the attached drawings, the utility model discloses a single tube reservoir links to each other with air conditioner evaporimeter and compressor respectively, include:

a shell 1, wherein the shell 1 in the embodiment is cylindrical, two ends of the shell are conical, two ends of the shell 1 are open and are respectively inserted with an air inlet pipe 2 and an air outlet pipe 3 with circular cross sections, an air outlet connecting pipe 4 with a circular cross section is arranged in the shell 1, one end of the air outlet connecting pipe 4 is fixed and communicated with the air outlet pipe 3 in a welding manner, and the air outlet connecting pipe 4 and the air inlet pipe 2 are coaxially arranged;

the filtering component comprises a supporting pipe 5, a supporting cover 6 and a filtering screen 7, the supporting pipe 5 and the shell 1 are coaxially arranged, one end of the supporting pipe 5 is open, the other end of the supporting pipe is closed, the outer side wall of the supporting pipe is tightly attached to the inner side wall of the shell 1, two annular grooves are spirally formed in the outer wall of the shell 1, annular limiting protrusions are formed in the shell 1 by the annular grooves, the supporting pipe 5 is limited between the two annular limiting protrusions, a groove is formed by inwards sinking the closed end of the supporting pipe 5, the closed end of the supporting pipe 5 is provided with an inserting hole 50, a plurality of first through holes 51 and second through holes 52, the inserting hole 50 corresponds to the bottom wall of the groove, the plurality of first through holes 51 correspond to the side wall of the groove, the plurality of second through holes 52 are adjacently arranged, the supporting cover 6 is blocked at the notch of the groove, and one end, far away from the air outlet pipe 3, of the air outlet pipe 4 is limited in the space defined by the groove and the supporting cover 6 after penetrating through the inserting hole 50; the outside of supporting cover 6 is fixed with filter screen 7, and filter screen 7 realizes sheltering from to two 52 through-holes, and the refrigerant that enters into casing 1 inside from intake pipe 2 promptly needs to pass filter screen 7 and two 52 through-holes in proper order, and filter screen 7 can filter the impurity in the refrigerant.

The cross section of the groove is in an isosceles trapezoid shape, the area of the groove opening of the groove is larger than that of the groove bottom of the groove, the inserting hole 50 is formed in the middle of the groove bottom of the groove, the first through holes 51 and the second through holes 52 are evenly distributed along the circumferential direction of the supporting tube 5, and the groove is limited in an annular area formed by the second through holes 52 in a surrounding mode.

Further specifically, still including keeping off ring 8, the blind end outside coaxial fixation of stay tube 5 has a fender ring 8, and the outline of filter screen 7 is circular and its coaxial spacing keeps off ring 8 inboard, keeps off ring 8 and filter screen 7 and shelters from a plurality of through-hole two 52 jointly, keeps off ring 8 and can fix spacing reliably filter screen 7.

Gaseous refrigerant enters the shell 1 from the air inlet pipe 2 and then sequentially passes through the filter screen 7, the through hole II 52, the through hole I51 and the air outlet connecting pipe 4, and finally is discharged through the air outlet pipe 3, because the air outlet connecting pipe 4 is arranged, one end, far away from the air outlet pipe 3, of the air outlet connecting pipe 4 is limited in a space defined by the groove and the support cover 6 after passing through the splicing hole 50, the air outlet connecting pipe 4 is not directly connected with the air inlet pipe 2, the pipe diameter of the air outlet connecting pipe 4 is far smaller than the inner diameter of the shell 1, and the arrangement enables liquid refrigerant and lubricant doped in the gaseous refrigerant to be left in the shell 1; due to the existence of the filter screen 7, the gaseous refrigerant passes through the filtering interception function of the filter screen 7 before passing through the second through hole 52, and impurities in the gaseous refrigerant are intercepted by the filter screen 7.

Example two

Referring to fig. 4-6, which are schematic structural diagrams of the whole and parts of the second embodiment, the housing 1 and the support tube 5 in the second embodiment are different from the first embodiment, and the rest of the structure is the same.

Casing 1 in this embodiment is by end cover one 10, connecting pipe 11 and two 12 constitutions of end cover, the both ends of connecting pipe 11 are sealed knot separately and are equipped with end cover one 10 and two 12, and end cover one 10 and two 12 are all fixed with connecting pipe 11 through the welded mode, trompil and the inserting intake pipe 2 on the end cover one 10, trompil and the inserting outlet duct 3 on the end cover two 12, the inside pipe wall integrated into one piece of connecting pipe 11 has the annular of round arch, the lateral wall integrated into one piece of stay tube 5 has the spacing groove of round and the protruding adaptation of annular, annular arch can joint to the spacing inslot, and stay tube 5 is close to end cover one 10 and arranges.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. A single-tube reservoir, comprising:

the air inlet pipe (2) and the air outlet pipe (3) are respectively inserted into the openings at the two ends of the shell (1), an air outlet connecting pipe (4) is arranged in the shell (1), and one end of the air outlet connecting pipe (4) is fixed and communicated with the air outlet pipe (3);

the filter assembly comprises a support pipe (5), a support cover (6) and a filter screen (7), one end of the support pipe (5) is open, the other end of the support pipe is closed, the outer side wall of the support pipe is tightly attached to the inner side wall of the shell (1), the closed end of the support pipe (5) is recessed to form a groove, the closed end of the support pipe (5) is provided with an insertion hole (50), a plurality of first through holes (51) and a plurality of second through holes (52), the insertion hole (50) corresponds to the bottom wall of the groove, the plurality of first through holes (51) correspond to the side wall of the groove, the plurality of second through holes (52) are arranged adjacent to the groove, the support cover (6) is plugged at the notch of the groove, and one end, far away from the air outlet pipe (3), of the air outlet pipe (4) is limited in the space defined by the groove and the support cover (6) after penetrating through the insertion hole (50); the outside of supporting cover (6) is fixed with filter screen (7), filter screen (7) are right through-hole two (52) realize sheltering from.

2. The single-tube liquid accumulator as claimed in claim 1, wherein the cross section of the groove is isosceles trapezoid, the area of the groove opening of the groove is larger than the area of the groove bottom of the groove, the insertion hole (50) is centrally formed at the groove bottom of the groove, and a plurality of the first through holes (51) are uniformly arranged along the circumferential direction of the support tube (5).

3. A single-tube liquid reservoir as claimed in claim 1, characterized in that a plurality of second through holes (52) are uniformly arranged along the circumferential direction of the support tube (5), and the recess is limited in an annular area enclosed by the plurality of second through holes (52).

4. The single-tube liquid reservoir according to claim 1, further comprising a baffle ring (8), wherein the baffle ring (8) is coaxially fixed outside the closed end of the support tube (5), the outer contour of the filter screen (7) is circular and is coaxially limited inside the baffle ring (8), and the baffle ring (8) and the filter screen (7) jointly shield the plurality of second through holes (52).

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