CN211782117U

CN211782117U - Gas-liquid separator

Info

Publication number: CN211782117U
Application number: CN201922277897.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Sanhua Automotive Components Co Ltd
Current assignee: Zhejiang Sanhua Automotive Components Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-27
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a gas-liquid separator, which comprises a cylinder body and a sealing head, wherein the cylinder body is fixed with the sealing head, the sealing head is provided with a liquid outlet, a bypass interface, a gas outlet and an inlet, the gas-liquid separator is provided with a pipette and a gas-guide tube, at least part of the pipette and the gas-guide tube are positioned in the cylinder body, an inner cavity of the pipette is communicated with the liquid outlet, the inlet is communicated with an inner cavity of the cylinder body, and the bypass interface is communicated with the gas outlet; the gas-liquid separator comprises an electromagnetic valve core, the end socket is provided with a first mounting cavity, the electromagnetic valve core is positioned in the first mounting cavity, and the electromagnetic valve core moves to make and break the communication between the inner cavity of the gas guide pipe and the gas outlet; the head has first bulge, first bulge orientation the barrel inner chamber protrusion, the air duct stretches into first bulge, the air duct with first bulge inner wall tight fit. The gas-liquid separator has compact structure and stable performance.

Description

Gas-liquid separator

Technical Field

The utility model relates to a refrigerant container.

Background

The gas-liquid separator is a component in the air conditioning system, and gas-liquid two-phase separation is carried out through the gas-liquid separator before refrigerant enters the compressor, so that liquid in a pipeline is prevented from entering the compressor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comparatively stable vapour and liquid separator of performance.

In order to realize the purpose, the following technical scheme is adopted:

a gas-liquid separator comprises a cylinder body and a sealing head, wherein the cylinder body is fixed with the sealing head, the sealing head is provided with a liquid outlet, a gas outlet and an inlet, the gas-liquid separator is provided with a pipette and a gas guide tube, at least parts of the pipette and the gas guide tube are positioned in the cylinder body, an inner cavity of the pipette is communicated with the liquid outlet, and the inlet is communicated with an inner cavity of the cylinder body;

the seal head is provided with a first protruding portion, the first protruding portion protrudes towards the inner cavity of the cylinder body, the air duct extends into the first protruding portion, the first protruding portion is provided with a first concave portion, the first concave portion protrudes towards the air duct, the air duct is provided with a second concave portion, the second concave portion is opposite to the first concave portion, and the first concave portion is abutted to the second concave portion.

Above-mentioned technical scheme has pipette and air duct, and the pipette inner chamber communicates with the liquid outlet, and the import communicates with barrel inner chamber, so can realize vapour and liquid separator's stock solution function, and the refrigerant gets into from the import, and the gas-liquid separation back leaves from the gas outlet through the air duct, can realize the function of gas-liquid separation, and the head has first bulge, and first bulge is towards the protrusion of barrel inner chamber, first bulge has first concave part, first concave part to the air duct protrusion, the air duct has the second concave part, the second concave part with first concave part position is relative, first concave part offsets with the second concave part, helps the stable in structure of head and air duct, and vapour and liquid separator performance is comparatively stable.

Drawings

FIG. 1 is a schematic view of a gas-liquid separator;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic structural view of the head of FIG. 1;

FIG. 6 is an enlarged schematic view of G in FIG. 3;

FIG. 7 is an enlarged schematic view of Q of FIG. 4;

FIG. 8 is an exploded view of a part of the structure of the gas-liquid separator in FIG. 1;

FIG. 9 is a schematic structural view of a portion of the structure of FIG. 1;

Detailed Description

Referring to fig. 1, fig. 1 shows a schematic structural diagram of a gas-liquid separator, the gas-liquid separator 100 includes a cylinder 11 and a sealing head 12, the cylinder 11 and the sealing head 12 are fixed, the sealing head 12 has a liquid outlet 121, a bypass interface 122, a gas outlet 123 and an inlet 124, the gas-liquid separator 100 has a pipette 101 and a gas guide tube 102, the pipette 101 and the gas guide tube 102 are at least partially located inside the cylinder 11, an inner cavity of the pipette 101 is communicated with the liquid outlet 121, the inlet 124 is communicated with an inner cavity of the cylinder 11, and the bypass interface 122 is communicated with the gas outlet 123.

The gas-liquid separator 100 comprises an electromagnetic valve core 13, the end socket 12 is provided with a first mounting cavity 125, the electromagnetic valve core 13 is positioned in the first mounting cavity 125, and the electromagnetic valve core 13 moves to make and break the communication between the inner cavity of the gas guide pipe 102 and the gas outlet 123; the end socket 12 has a seat body portion 126 and a first mounting cavity bottom wall 127, the seat body portion 126 protrudes from the first mounting cavity bottom wall 127, the orifice of the air duct 102 is opposite to at least part of the seat body portion 126, the seat body portion 126 has a valve port 128, the solenoid valve core 13 is opposite to the valve port 128, and the solenoid valve core 13 moves relative to the valve port 128, so that the inner cavity of the air duct 102 is communicated or not communicated with the air outlet. The nozzle of the gas-guide tube 102 is arranged non-coaxially with the bypass interface, and the nozzle of the gas-guide tube 102 is arranged non-coaxially with the gas outlet. The protruding portion of the seat portion 126 protrudes from the bottom wall 127 of the first mounting cavity, which facilitates the sealing arrangement between the solenoid valve 13 and the seat portion 126, and in addition, the protruding portion of the seat portion 126 provides a fluid accumulation area around the seat portion 126, which also facilitates the opening of the valve, so as to facilitate the fluid entering the valve port 128 from the fluid accumulation area. The gas-liquid separator 100 is provided with a liquid dispersion cup 15, the liquid dispersion cup 15 is positioned in the inner cavity of the cylinder body 11, and the liquid dispersion cup 15 is positioned below the seal head.

The gas-liquid separator 100 has the functions of gas-liquid separation and liquid storage, when a gas-liquid two-phase refrigerant enters from the inlet 124, the gas-liquid two-phase refrigerant enters the inner cavity of the cylinder 11, the refrigerant hits the liquid dispersion cup 15, the gas-liquid separation is performed, a gas-phase refrigerant enters from one port of the gas guide pipe 102, enters the end socket 12 along the gas guide pipe 102, and when the solenoid valve core 13 is in a valve opening state, the gas-phase refrigerant enters through the valve port 128 and leaves from. Thus, the gas-liquid separation is realized. When the solenoid valve core 13 is in a closed state, the gaseous refrigerant cannot leave from the gas guide pipe 102, and the liquid in the inner cavity of the gas-liquid separator 100 enters the seal head 12 along the liquid suction pipe 101 and then leaves from the liquid outlet 121, so that the function of storing liquid is realized. In addition, when the solenoid valve core 13 is in the closed state, the head 12 may also have a function of fluid communication, and fluid may enter from the bypass port 122 and then exit from the gas outlet 123.

The end cap 12 has a first channel 105, the air duct 102 extends into the first channel 105, in a radial direction of the first channel 105, the seat portion 126 protrudes from a wall portion of the first channel 105, the seat portion 126 has a side wall 1261, and the orifice of the air duct 102 is opposite to the side wall 1261 of the seat portion 126, so that the fluid coming out of the air duct 102 can enter the valve port 128 along the side wall 1261 of the seat portion 126, which is beneficial to reducing direct impact of the fluid and stabilizing the flow direction of the fluid.

The end enclosure 12 has a first protrusion 121, the first protrusion 121 protrudes toward the inner cavity of the cylinder 11, the air duct 102 extends into the first protrusion 121, and the air duct 102 is tightly fitted with the inner wall of the first protrusion 121. The air duct 102 is tightly matched with the inner wall of the first protruding part 121, so that friction between inner parts of the air-liquid separator and the barrel body, caused by rotation of the air duct 102 in the working process of the air-liquid separator, is reduced, abrasion of the parts is reduced, and the service life of the air-liquid separator is prolonged.

Inside first passageway 105 extended into first bulge 121, air duct 102 extended into first bulge 121, and air duct 102 and first bulge 121 sealed the setting, and head 12 sets up the wall portion of first passageway 105 and has first step wall 122, and the tip of air duct 102 offsets with first step wall 122 and sets up, is favorable to the spacing of air duct tip, and axial direction is spacing promptly.

The first protrusion 121 has a first recess 1211, the first recess 1211 protrudes toward the air guiding tube 102, the air guiding tube 102 has a second recess 1021, the second recess 1021 is opposite to the first recess 1211, and the first recess 1211 and the second recess 1021 are tightly fitted. The close fit of the first concave part and the second concave part is beneficial to limiting the air duct and the first convex part, the wall thickness of the first convex part 121 is greater than that of the air duct 102, and the depth of the first concave part 1211 is greater than that of the second concave part 1021, so that the integrity of the air duct is favorably maintained, the excessive deformation is reduced, and the incidence rate of breakage of the air duct is reduced. The tight fit of the first concave part and the second concave part means that the first concave part and the second concave part are abutted.

First recessed portions 1211 are provided at two or more intervals or first recessed portions 1211 are provided in an annular manner. The first recess 1211 may have a ring shape, and the second recess 1021 is matched with the first recess 1211. After the air duct is assembled on the end socket, the first protruding portion is rolled to form a first concave portion on the first protruding portion, and the air duct forms the first concave portion.

The first recesses 1211 may be distributed in a plurality of dots. After the end enclosure is assembled with the air duct, a plurality of dotting modes can be carried out on the first protruding portion to form a first concave portion, and the first concave portion is arranged at intervals more than two.

Liquid dispersing cup 15 is located first bulge 121 below, and air duct 102 and liquid dispersing cup 15 relatively fixed, and air duct 102 have inlet end 1022 and the tip 1023 of giving vent to anger, and liquid dispersing cup 15 has boss 151, and boss 151 interval more than two sets up, and boss 151 dorsad first bulge 121 and the protrusion setting, and inlet end 1022 offsets with boss 151, and the tip 1023 of giving vent to anger passes liquid dispersing cup 15, and the tip 1023 of giving vent to anger is with first bulge 121 sealed tight fit. Boss 151 and the spacing setting of air duct 102 inlet end 1022, and through the tight fit of first concave part and second concave part, more be favorable to the fixed of the relative head of air duct, further maintain the stability of the position after air duct and liquid dispersion cup, head assembly, help prolonging vapour and liquid separator's life.

The boss 151 has a step wall 1511, the step wall 1511 is located on the center side of the boss 151, the bottom wall of the step wall 1511 abuts against the intake end 1022 of the gas-guide tube 102, and the outer peripheral wall of the gas-guide tube 102 abuts against the side wall of the step wall 1511. After the end portion of giving vent to anger at the air duct closely cooperates with first bulge, spacing through inlet end portion 1022 of air duct and liquid dispensing cup more is favorable to the position stability of air duct and liquid dispensing cup.

The gas-liquid separator 100 has a first sealing member 103, the first sealing member 103 is located at the periphery of the air outlet end 1023 of the air duct 102, and the first recess 1211 and the second recess 1021 are located between the first sealing member 103 and the bottom 1212 of the first protrusion 121. The first and

second recesses

1211 and 1021 are formed by dotting or rolling, so that the first and second recesses are disposed between the first protrusion bottom 1212 and the first sealing member to facilitate sealing at the first sealing member.

The liquid dispersion cup 15 has a first annular protrusion 152, the first annular protrusion 152 protrudes toward the first protrusion 121, and the gas-guide tube 102 extends into the first annular protrusion 152. The first annular protrusion 152 helps guide and limit the airway tube 102 and the liquid-dispensing cup.

The seal head 12 is provided with a second bulge part 122, the second bulge part 122 bulges towards the inner cavity of the cylinder body 11, the pipette 101 extends into the second bulge part 122, and the pipette 101 is tightly matched with the inner wall of the second bulge part 122; the cap 12 has a second channel 106, the second channel 106 communicates with the liquid outlet 121, the second channel 106 extends into the second protrusion 122, the wall of the cap 12 where the second channel 106 is located has a second step wall 123, and the end of the pipette 101 is located against the second step wall 123.

The pipette 101 has a lug 1011, the liquid dispensing cup 15 has a second annular projection 153, the second annular projection 153 projects toward the second projection 122, the pipette 101 projects into the second annular projection 153, and the lug 1011 is located between the second annular projection 153 and the second projection 122. After first bulge and air duct closely cooperate, air duct and liquid dispersing cup relatively fixed, the liquid dispersing cup passes through the fixed stability that keeps the position of air duct, and the pipette stretches into the second bulge, and the pipette can be spacing through the lug structure with the second bulge, so can be so that be connected between pipette and the liquid dispersing cup and keep relatively stable.

The second projection 122 may have a third recess 1221, the third recess 1221 projecting toward the pipette 101, the pipette 101 having a fourth recess 1222, the third recess 1221 being located opposite to the fourth recess 1222, the third recess 1221 being a close fit with the fourth recess 1222. The third recess 1221 may be annular, and the fourth recess 1222 is structurally matched to the third recess 1221. The third recesses 1221 may be distributed in a plurality of dots. The arrangement of the third concave part and the fourth concave part is beneficial to fixing the position of the pipette 101 and the seal head, and the filter is arranged below the pipette, so that the position of the filter is kept fixed due to the fixed position of the pipette, the abrasion of the filter, the pipette and the cylinder wall part is reduced, and the service life is prolonged.

Of course, the second protrusion may not have the third recess and the fourth recess, and the second protrusion and the pipette may be more stably limited by the arrangement of the first protrusion and the lug structure.

The gas-liquid separator 100 comprises a one-way valve core 14, the one-way valve core 14 is positioned on a seal head 12, the seal head 12 is provided with a second channel 106, the second channel 106 is communicated with a liquid outlet 121, the one-way valve core 14 is positioned on the second channel 106, the one-way valve core 14 is movably communicated with a fluid channel from a liquid suction pipe 101 to the liquid outlet 121, namely, the one-way valve core is communicated with a flow channel from an inner cavity of the liquid suction pipe to the liquid outlet, and the one-way valve core blocks the flow channel from the liquid outlet to the inner cavity.

The end socket 12 is provided with a third channel 107, the third channel 107 is communicated with the bypass interface 122, the third channel 107 is communicated with the gas outlet 123, the third channel 107 extends into the seat body portion 126, and the solenoid valve core 13 can be communicated with the first channel 105 and the third channel 107 in a moving mode. The end socket is provided with a first channel, a second channel and a third channel, so that the fluid storage and gas-liquid separation functions of the gas-liquid separator can be realized, meanwhile, the end socket 12 is provided with the third channel 107, the end socket can also be used for fluid communication, the structure is compact, and the end socket 12 and the cylinder body are assembled and fixed, so that the assembly is convenient.

The head 12 has a top 129 and a side 130, the liquid outlet 121, the bypass port 122, the inlet 124 are located at the top 129, the bypass port 122 is located at the side 130, the first mounting chamber 125 is opened at the side 130, and the solenoid valve 13 is mounted at the side 130, so that the ports are conveniently connected with an external connecting pipe.

Claims

1. A gas-liquid separator comprises a cylinder body and a sealing head, wherein the cylinder body is fixed with the sealing head, the sealing head is provided with a liquid outlet, a gas outlet and an inlet, the gas-liquid separator is provided with a pipette and a gas guide tube, at least parts of the pipette and the gas guide tube are positioned in the cylinder body, an inner cavity of the pipette is communicated with the liquid outlet, and the inlet is communicated with an inner cavity of the cylinder body;

the sealing head is characterized in that the sealing head is provided with a first protruding part, the first protruding part protrudes towards the inner cavity of the cylinder body, the air duct extends into the first protruding part, the first protruding part is provided with a first concave part, the first concave part protrudes towards the air duct, the air duct is provided with a second concave part, the second concave part is opposite to the first concave part, and the first concave part is abutted against the second concave part.

2. The gas-liquid separator of claim 1, wherein:

the seal head is provided with a bypass interface which is communicated with the gas outlet;

the gas-liquid separator comprises an electromagnetic valve core, the seal head is provided with a first installation cavity, at least part of the electromagnetic valve core is positioned in the first installation cavity, the seal head is provided with a seat body part, the seat body part is provided with a valve port, and the electromagnetic valve core moves relative to the valve port to enable the inner cavity of the gas pipe to be communicated or not communicated with the gas outlet;

the pipe orifice of the gas guide pipe and the bypass interface are arranged in a non-coaxial manner, the pipe orifice of the gas guide pipe and the gas outlet are arranged in a non-coaxial manner, the end socket is provided with a seat body part and a first mounting cavity bottom wall, and the seat body part protrudes out of the first mounting cavity bottom wall;

the head has the first passageway, the air duct stretches into the first passageway the radial direction of first passageway, the pedestal portion is relative the head sets up the wall portion protrusion of first passageway, the pedestal portion has the lateral wall, the mouth of pipe of air duct with the lateral wall of pedestal portion is relative.

3. The gas-liquid separator according to claim 1 or 2, wherein: the wall thickness of the first protruding part is larger than that of the air guide tube, the depth of the first concave part is larger than that of the second concave part, and the first concave parts are arranged at intervals of more than two or are arranged in an annular mode.

4. The gas-liquid separator according to claim 1 or 2, wherein: the air guide pipe is provided with an air outlet end part, the gas-liquid separator is provided with a first sealing piece, the first sealing piece is positioned on the periphery of the air outlet end part of the air guide pipe, and the first concave part and the second concave part are positioned between the first sealing piece and the bottom of the first protruding part.

5. The gas-liquid separator according to claim 1 or 2, wherein: the seal head is provided with a second bulge part, the second bulge part bulges towards the inner cavity of the cylinder body, the pipette extends into the second bulge part, and the pipette is tightly matched with the inner wall of the second bulge part; the second projecting portion has a third concave portion that projects toward the pipette, the pipette having a fourth concave portion that is located opposite to the fourth concave portion, the third concave portion being tightly fitted with the fourth concave portion;

the seal head is provided with a second channel, the second channel is communicated with the liquid outlet, the second channel extends into the second protruding portion, the wall portion of the seal head, which is provided with the second channel, is provided with a second step wall, and the end portion of the pipette is abutted to the second step wall.

6. The gas-liquid separator of claim 1, wherein: the gas-liquid separator includes the liquid dispersion cup, the liquid dispersion cup is located first bulge below, the air duct with liquid dispersion cup relatively fixed, the air duct has inlet end portion and the tip of giving vent to anger, the liquid dispersion cup has the boss, the boss sets up at the interval more than two, just the boss dorsad first bulge and protrusion set up, inlet end portion with the boss offsets, the tip of giving vent to anger passes the liquid dispersion cup, the tip of giving vent to anger with the sealed tight fit of first bulge.

7. The gas-liquid separator according to claim 6, wherein the boss has a stepped wall located on a center side of the boss, a bottom wall of the stepped wall abuts against the gas inlet end of the gas guide tube, and an outer peripheral wall of the gas guide tube abuts against a side wall of the stepped wall.

8. The gas-liquid separator of claim 6 or 7, wherein the liquid dispersion cup has a first annular bulge, the first annular bulge bulging toward the first bulge, and the gas-guide tube extending into the first annular bulge.

9. The gas-liquid separator of claim 5, wherein the gas-liquid separator comprises a flood cup positioned below the first bulge, the gas conduit being fixed relative to the flood cup, the pipette having a tab, the flood cup having a second annular bulge that bulges toward the second bulge, the pipette extending into the second annular bulge, the tab being positioned between the second annular bulge and the second bulge.

10. The gas-liquid separator of claim 1, wherein the head has a bypass interface in communication with the gas outlet;

the end socket is provided with a first channel, the air duct extends into the first channel, the seat body part is provided with a side wall, and the pipe orifice of the air duct is opposite to the side wall of the seat body part;

the wall thickness of the first bulge is larger than that of the air guide tube, the depth of the first concave part is larger than that of the second concave part, and the first concave parts are arranged at intervals or in an annular mode; the gas-liquid separator is provided with a first sealing piece, the first sealing piece is positioned on the periphery of the gas outlet end of the gas guide pipe, and the first concave part and the second concave part are positioned between the first sealing piece and the bottom of the first convex part; the seal head is provided with a second bulge part, the second bulge part bulges towards the inner cavity of the cylinder body, the pipette extends into the second bulge part, and the pipette is tightly matched with the inner wall of the second bulge part; the second projecting portion has a third concave portion that projects toward the pipette, the pipette having a fourth concave portion that is located opposite to the fourth concave portion, the third concave portion being tightly fitted with the fourth concave portion;

the seal head is provided with a second channel which is communicated with the liquid outlet, the second channel extends into the second protruding part, the wall part of the seal head, which is provided with the second channel, is provided with a second step wall, and the end part of the pipette is abutted to the second step wall; the gas-liquid separator comprises a liquid dispersion cup, the liquid dispersion cup is positioned below the first protruding part, the gas guide pipe is fixed relative to the liquid dispersion cup, the gas guide pipe is provided with a gas inlet end part and a gas outlet end part, the liquid dispersion cup is provided with a boss, more than two bosses are arranged at intervals, the boss faces away from the first protruding part and is arranged in a protruding manner, the gas inlet end part is abutted against the boss, the gas outlet end part penetrates through the liquid dispersion cup, and the gas outlet end part is tightly matched with the first protruding part in a sealing manner; the boss is provided with a step wall, the step wall is positioned on the center side of the boss, the bottom wall of the step wall is abutted against the air inlet end part of the air guide pipe, and the peripheral wall of the air guide pipe is abutted against the side wall of the step wall; the liquid dispersing cup is provided with a first annular bulge, the first annular bulge protrudes towards the first protruding part, and the air guide pipe extends into the first annular bulge; the pipette has a lug, the dispensing cup has a second annular bulge, the second annular bulge projects toward the second bulge, the pipette extends into the second annular bulge, and the lug is located between the second annular bulge and the second bulge;

the seat body part is provided with a valve port, and the solenoid valve core is opposite to the valve port;

the seal head is provided with a second installation cavity, the gas-liquid separator is provided with a one-way valve core, the one-way valve core is located in the second installation cavity, the second installation cavity is communicated with the inner cavity of the liquid suction pipe, the one-way valve core is communicated with a flow passage from the inner cavity of the liquid suction pipe to the liquid outlet, and the one-way valve core blocks the flow passage from the liquid outlet to the inner cavity of the liquid suction pipe.

11. The gas-liquid separator of claim 3, wherein: the air guide pipe is provided with an air outlet end part, the gas-liquid separator is provided with a first sealing piece, the first sealing piece is positioned on the periphery of the air outlet end part of the air guide pipe, and the first concave part and the second concave part are positioned between the first sealing piece and the bottom of the first protruding part.

12. The gas-liquid separator of claim 3, wherein: the seal head is provided with a second bulge part, the second bulge part bulges towards the inner cavity of the cylinder body, the pipette extends into the second bulge part, and the pipette is tightly matched with the inner wall of the second bulge part; the second projecting portion has a third concave portion that projects toward the pipette, the pipette having a fourth concave portion that is located opposite to the fourth concave portion, the third concave portion being tightly fitted with the fourth concave portion;