Throttling type filter assembly

Abstract

The utility model discloses a throttling type filter assembly which comprises a filter, a straight pipe, a first capillary tube, a second capillary tube, a first output pipe and a second output pipe, one end of the straight pipe is communicated with the output end of the filter, and the first capillary tube and the second capillary tube are both communicated with the straight pipe. The inner diameter of the first capillary tube and the inner diameter of the second capillary tube are smaller than that of the straight tube, the first output tube is connected with the first capillary tube, and the second output tube is connected with the second capillary tube. Through the arrangement of the first capillary tube and the second capillary tube, the pipe diameter is reduced, so that throttling of refrigerants shunted to the first capillary tube and the second capillary tube through the straight pipe is achieved, and unnecessary waste of the refrigerants is reduced; and by arranging the first capillary tube and the second capillary tube, the refrigerant conveyed by the straight tube can be conveniently shunted, connection with corresponding connectors is facilitated, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigeration equipment field especially, and it is a kind of throttling filter assembly. BACKGROUND

[0002] Filter assembly is the important component of air conditioner outdoor unit, such as the application No.202120901584.5 discloses a filter assembly, and the corresponding liquid inlet pipe and liquid outlet pipe are connected at both ends of the filter assembly, the refrigerant flows out directly through the liquid outlet pipe after flowing in, which is easy to cause the waste of refrigerant. SUMMARY

[0003] The utility model discloses a kind of throttling filter assembly, which can solve at least one of the above problems.

[0004] According to an aspect of the utility model, a kind of throttling filter assembly is provided, including filter, straight pipe, first capillary, second capillary, first output pipe and second output pipe, one end of straight pipe is communicated with the output end of filter, first capillary and second capillary are all communicated with straight pipe, the inner diameter of first capillary and second capillary is less than the inner diameter of straight pipe, first output pipe is connected with first capillary, second output pipe is connected with second capillary.

[0005] The utility model has the advantages that: by being provided with first capillary and second capillary, the pipe diameter is reduced, so that the refrigerant that is shunted to first capillary and second capillary via straight pipe realizes throttling, unnecessary waste of refrigerant is reduced;By being provided with first capillary and second capillary, it is beneficial to shunt the refrigerant transported by straight pipe, which facilitates connection with the corresponding interface and is convenient to use.

[0006] In some embodiments, the throttling filter assembly further includes a first T-shaped tee, each end of the first T-shaped tee is respectively communicated with the straight pipe, the first capillary and the second capillary. Thus, through the first T-shaped tee, the connection of each capillary with the filter can be facilitated.

[0007] In some embodiments, the throttling filter assembly further includes a first connection pipe and a second connection pipe, the first connection pipe and the second connection pipe are both connected with the first T-shaped tee, the first capillary is connected with the first T-shaped tee through the first connection pipe, and the second capillary is connected with the first T-shaped tee through the second connection pipe. Thus, by being provided with the first connection pipe and the second connection pipe, the connection of the capillary with the first T-shaped tee is facilitated.

[0008] In some embodiments, the first capillary includes a bending portion, and the bending portion includes a plurality of circular rings that are sequentially communicated. Thus, by being provided with the bending portion, the length of the first capillary can be increased, and the flow speed of the refrigerant in the first capillary can be buffered, thereby further achieving the throttling effect.

[0009] In some embodiments, the throttle type filter assembly further comprises a second T-shaped tee, an electromagnetic valve connecting pipe and an external connecting pipe, one end of the second T-shaped tee is connected with the first output pipe, and the electromagnetic valve connecting pipe and the external connecting pipe are connected with the other two ends of the second T-shaped tee respectively. Thus, by providing the second T-shaped tee, the electromagnetic valve connecting pipe can be conveniently connected with the first output pipe, and other structures.

[0010] In some embodiments, the output end of the filter is provided with an inner positioning point, and one end of the straight pipe is inserted into the output end of the filter and abuts against the inner positioning point. Thus, by providing the inner positioning point, the straight pipe can be conveniently inserted into the inner positioning point for positioning, and the straight pipe can be conveniently and quickly installed.

[0011] In some embodiments, the filter is provided with a filter screen. Thus, by providing the filter screen, impurities in the refrigerant can be conveniently filtered. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is a structural schematic view of the throttle type filter assembly of the utility model;

[0013] Fig. 2 is a structural schematic view of the throttle type filter assembly of the utility model from another perspective;

[0014] Fig. 3 is a structural schematic view of the filter in the throttle type filter assembly of the utility model. DETAILED DESCRIPTION

[0015] The utility model will be further described in detail below with reference to the drawings.

[0016] With reference to Figs. 1-3 The throttle type filter assembly comprises a filter 1, a straight pipe 2, a first capillary tube 3, a second capillary tube 4, a first output pipe 5 and a second output pipe 6. One end of the straight pipe 2 is in communication with the output end of the filter 1. The first capillary tube 3 and the second capillary tube 4 are both in communication with the straight pipe 2. The inner diameters of the first capillary tube 3 and the second capillary tube 4 are both smaller than the inner diameter of the straight pipe 2. The first output pipe 5 is connected with the first capillary tube 3, and the second output pipe 6 is connected with the second capillary tube 4.

[0017] In use, the refrigerant is input through the filter 1, filtered by the filter 1, output to the straight pipe 2, and then split by the first capillary tube 3 and the second capillary tube 4 after passing through the straight pipe 2. By passing through the first capillary tube 3 and the second capillary tube 4, the flow of the input refrigerant can be limited, and the flow speed of the refrigerant can be slowed down, and then output through the first output pipe 5 and the second output pipe 6.

[0018] The throttling type filter assembly of the utility model further comprises a first T-shaped three-way pipe 7, each end of the first T-shaped three-way pipe 7 is communicated with the straight pipe 2, the first capillary tube 3 and the second capillary tube 4. Through the first T-shaped three-way pipe 7, the refrigerant output by the straight pipe 2 can be conveniently branched, and the final first output pipe 5 and the second output pipe 6 are conveniently connected with the interfaces at different positions.

[0019] The throttling type filter assembly of the utility model further comprises a first connecting pipe 8 and a second connecting pipe 9, the first connecting pipe 8 and the second connecting pipe 9 are connected with the first T-shaped three-way pipe 7, the first capillary tube 3 is connected with the first T-shaped three-way pipe 7 through the first connecting pipe 8, and the second capillary tube 4 is connected with the first T-shaped three-way pipe 7 through the second connecting pipe 9. Through the first connecting pipe 8 and the second connecting pipe 9, the corresponding capillary tube can be conveniently connected with the first T-shaped three-way pipe 7, the first connecting pipe 8 and the second connecting pipe 9 can conveniently adjust the size of the hole diameter at both ends when being produced and formed, thereby facilitating the connection between the connecting pipe and the corresponding end of the first T-shaped three-way pipe 7 and the connection with the corresponding capillary tube.

[0020] The first capillary tube 3 comprises a bending part 31, and the bending part 31 comprises a plurality of circular rings which are sequentially communicated. Through the bending part 31, the length of the first capillary tube 3 can be increased, and the flow speed of the refrigerant in the first capillary tube 3 can be buffered multiple times, so that the flow speed of the refrigerant is slowed down, and the throttling effect is further achieved. In use, in order to improve the simplicity of the overall structure, the plurality of circular rings of the bending part 31 are bundled by a strap, so that the bending part 31 is tidy.

[0021] The throttling type filter assembly of the utility model further comprises a second T-shaped three-way pipe 10, an electromagnetic valve connecting pipe 20 and an external connecting pipe 30, one end of the second T-shaped three-way pipe 10 is connected with the first output pipe 5, and the other two ends of the second T-shaped three-way pipe 10 are connected with the electromagnetic valve connecting pipe 20 and the external connecting pipe respectively. Through the second T-shaped three-way pipe 10 connected with the first output pipe 5, the refrigerant output by the first output pipe 5 can be further branched, so that the different use requirements in practice can be met.

[0022] An inner positioning point 11 is formed in the output end of the filter 1, and one end of the straight pipe 2 is inserted into the output end of the filter 1 and abuts against the inner positioning point 11. Through the inner positioning point 11, when one end of the straight pipe 2 is inserted into the output end of the filter 1 and the one end of the straight pipe 2 abuts against the inner positioning point 11, the straight pipe 2 is inserted in place, and the straight pipe 2 can be quickly inserted and installed.

[0023] A filter screen 12 is installed in the filter 1. Through the filter screen 12, the impurities in the refrigerant input from the outside can be filtered, so that the inflow of the impurities is prevented, the capillary tubes are prevented from being blocked, and the normal flow of the refrigerant in the pipe is ensured.

[0024] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the creative concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. A restriction filter assembly, characterized by, The filter (1), the straight pipe (2), the first capillary tube (3), the second capillary tube (4), the first output pipe (5) and the second output pipe (6) are included, one end of the straight pipe (2) is communicated with the output end of the filter (1), the first capillary tube (3) and the second capillary tube (4) are both communicated with the straight pipe (2), the inner diameter of the first capillary tube (3) and the second capillary tube (4) is smaller than the inner diameter of the straight pipe (2), the first output pipe (5) is connected with the first capillary tube (3), and the second output pipe (6) is connected with the second capillary tube (4).

2. The restrictor filter assembly of claim 1, wherein, The first T-shaped three-way pipe (7) is further included, each end of the first T-shaped three-way pipe (7) is respectively communicated with the straight pipe (2), the first capillary tube (3) and the second capillary tube (4).

3. The restrictor filter assembly of claim 2, wherein, The first connecting pipe (8) and the second connecting pipe (9) are further included, the first connecting pipe (8) and the second connecting pipe (9) are both connected with the first T-shaped three-way pipe (7), the first capillary tube (3) is connected with the first T-shaped three-way pipe (7) through the first connecting pipe (8), and the second capillary tube (4) is connected with the first T-shaped three-way pipe (7) through the second connecting pipe (9).

4. The restrictor filter assembly of any one of claims 1-3, wherein, The first capillary tube (3) includes the bending part (31), the bending part (31) includes a plurality of circular rings which are communicated in sequence.

5. The restrictor filter assembly of claim 4, wherein, The second T-shaped three-way pipe (10), the electromagnetic valve connecting pipe (20) and the external connecting pipe (30) are further included, one end of the second T-shaped three-way pipe (10) is connected with the first output pipe (5), and the other two ends of the second T-shaped three-way pipe (10) are respectively connected with the electromagnetic valve connecting pipe (20) and the external connecting pipe (30).

6. The restrictor filter assembly of any one of claims 1-4, wherein, The output end of the filter (1) is provided with the inner positioning point (11), one end of the straight pipe (2) is inserted into the output end of the filter (1) and abuts with the inner positioning point (11).

7. The restrictor filter assembly of claim 6, wherein, The filter (1) is provided with the filter screen (12).

Images