CN2602236Y

CN2602236Y - Four-position five-way pulsating solenoid valve

Info

Publication number: CN2602236Y
Application number: CN 02283425
Authority: CN
Inventors: 王群辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-20
Filing date: 2002-12-20
Publication date: 2004-02-04
Anticipated expiration: 2012-12-20

Abstract

The utility model relates to a four-position five-way magnet valve, which is composed of a bottom box of the casing of the magnet valve, a middle box in the casing of the magnet valve, a valve body part arranged between the bottom box of the casing of the magnet valve and the middle box in the casing of the magnet valve, two energizing coils, four permanent magnets arranged in the bottom box of the casing of the magnet valve and the middle box in the casing of the magnet valve, a magnet valve casing cover arranged on the middle box in the casing of the magnet valve and a fastening screw. The utility model is characterized in that the bottom box of the casing of the magnet valve is arranged with a valve body part mounting groove, an energizing coil assemble mounting cavity and the mounting cavities of the permanent magnets A and B; the middle box in the casing of the magnet valve is arranged with a valve body part mounting groove, an energizing coil cavity and a cable mounting groove and the mounting cavities of the permanent magnets C and D; the magnet valve casing cover is arranged with a cable mounting groove. The energizing coil assembles A and B are respectively composed of an energizing coil, a magnetic yoke voltage and a magnetic yoke piece; the valve assemble is composed of an inlet pipe, four outlet pipes, a valve body, a magnetic yoke extremity piece, a magnetic yoke cone, a valve casing and a valve cone. The utility model can randomly control the multi-channel secondary refrigerant flow direction of a refrigeration system. The structure of the utility model is simple and compact, and the function is complete and reasonable, therefore, the utility model is extremely practical.

Description

Four-position five-way pulse electromagnetic valve

Technical Field

The utility model relates to a control liquid flow direction's solenoid valve especially relates to a four-bit five-way pulse solenoid valve of control refrigerant flow direction in refrigerating system.Back-shadow technique

The two-position three-way pulse electromagnetic valve in the prior art is composed of an inlet pipe A and two outlet pipes B and C, wherein the inlet pipe A is communicated with the outlet pipe B and is not communicated with the outlet pipe C when a forward pulse current is input into an electromagnetic valve coil, and the inlet pipe A is communicated with the outlet pipe C and is not communicated with the outlet pipe B when a reverse pulse current is input into the electromagnetic valve coil, so that the aim of controlling the flow direction of a refrigerant by using instant power consumption is fulfilled. However, with the continuous development of the refrigeration technology, the product functions of the two-position three-way pulse electromagnetic valve in the prior art cannot meet the requirement of the development of the refrigeration technology for controlling the flow direction of the refrigerant of more than two paths of refrigeration systems.

Disclosure of Invention

An object of the utility model is to provide a modified quadbit five-way pulse solenoid valve, it can control the flow direction of the refrigerating system refrigerant more than the two-way.

The purpose of the utility model is realized like this:

a four-position, five-way solenoid valve comprising: the electromagnetic valve comprises an electromagnetic valve bottom box, an electromagnetic valve middle box, a valve body component and two excitation coil assemblies, wherein the valve body component and the two excitation coil assemblies are arranged between the electromagnetic valve bottom box and the electromagnetic valve middle box; the method is characterized in that:

the shell bottom box is provided with a valve body part mounting groove, a magnet exciting coil assembly mounting cavity and mounting cavities of permanent magnets A and B;

the shell middle box is provided with a valve body part mounting groove, an excitation coil cavity, a cable mounting groove and mounting cavities of permanent magnets C and D;

the electromagnetic valve shell cover is provided with a cable installation groove;

the excitation coil assemblies A and B respectively consist of an excitation coil, a magnetic yoke iron core and a magnetic yoke sheet;

the valve body part consists of an inlet pipe, an outlet pipe, a valve body, a magnet yoke end piece, a magnet yoke core, a valve shell and a valve core.

In the four-position five-way electromagnetic valve, the valve body component consists of an inlet pipe, four outlet pipes, a valve body, two magnetic yoke end pieces, two magnetic yoke cores, two valve casings and two valve cores.

In the four-position five-way electromagnetic valve, the magnetic yoke iron core is arranged in the hole of the excitation coil, and the magnetic yoke sheets are arranged on the two end surfaces of the excitation coil, sleeved on the magnetic yoke iron core and fixed into a whole.

In the four-position five-way electromagnetic valve, the valve body part is provided with an inlet channel hole, an inlet pipe mounting hole and two magnetic yoke core mounting holes on the valve body; the inlet pipe is fixedly and hermetically arranged in the inlet pipe mounting hole, and an inner hole of the inlet pipe is communicated with the inlet channel hole to form an inlet channel; the magnetic yoke cores are respectively fixed and hermetically arranged in the magnetic yoke mounting holes at the left end and the right end of the valve body.

In the four-position five-way electromagnetic valve, in the valve body component, the yoke core is respectively provided with an outlet pipe mounting hole, an outlet channel hole and an inlet channel hole;

the outlet pipe is fixedly and hermetically arranged in the outlet pipe mounting hole; the outlet channel hole is communicated with the inner hole of the outlet pipe to form a third outlet channel, and a third valve port is formed on one end surface of the outlet channel hole; the outlet channel hole is communicated with an inner hole of the outlet pipe to form a fourth outlet channel, and a fourth valve port is formed on one end face of the outlet channel hole; one end of the magnetic yoke core is respectively fixed and hermetically installed in the magnetic yoke core installation hole on the valve body; the other end surfaces of the magnetic yoke cores are respectively fixedly and hermetically arranged in the holes of the valve shell; and an inlet channel on the valve body 11 is communicated with an inlet channel hole on the magnetic yoke core to form an inlet channel.

In the four-position five-way electromagnetic valve, in the valve body part, the magnetic yoke core is also provided with process holes respectively, and the process plugs are closely matched with the process holes and plugged on the process holes respectively.

In the four-position five-way electromagnetic valve, in the valve body component, the valve casing is respectively provided with a liquid inlet groove, the middle part of the valve casing is respectively provided with a round hole type chute, and a valve core is respectively arranged in the round hole chute; two ends of the valve shell are respectively fixed and hermetically arranged at one axial end of the magnetic yoke core and the magnetic yoke end piece; the two ends of the valve shell are respectively fixed and hermetically arranged at one shaft end of the magnetic yoke core and the magnetic yoke end piece.

In the four-position five-way electromagnetic valve, in the valve body part 1, the valve core is made of a magnetic conductive material, and the valve core is respectively arranged in the circular hole type sliding grooves.

In the four-position five-way solenoid valve, in the valve body component, the yoke end pieces are respectively provided with an outlet pipe mounting hole, an outlet channel hole and two yoke end pieces; the outlet pipes are respectively fixed and hermetically arranged in the outlet pipe mounting holes; the inner hole of the outlet pipe is communicated with the outlet channel hole to form a first outlet channel, and a first valve port is formed at one end face of the outlet channel hole; the inner hole of the outlet pipe is communicated with the outlet channel hole to form a second outlet channel, and a second valve port is formed at one end face of the outlet channel hole; one end of the magnetic yoke end piece is fixedly and hermetically arranged in the magnetic yoke end piece mounting hole of the valve shell, and one end of the magnetic yoke end piece is fixedly and hermetically arranged in the magnetic yoke end piece mounting hole of the valve shell B.

The utility model discloses the solenoid valve forms four-digit five-way pulse solenoid valve through setting up two solenoid A and B, a refrigerant input tube A, four refrigerant output tubes B, C, D, E, and it has solved the problem of refrigerating system multichannel refrigerant flow direction arbitrary control for the product function has obtained the improvement, and simple structure is compact and the function is reasonable completely.

Drawings

The objects, specific structural features and advantages of the present invention will be further understood from the following description of an embodiment of the four-position five-way pulse solenoid valve according to the present invention, in conjunction with the accompanying drawings. Wherein the attached drawings are as follows:

fig. 1 is a schematic view of a four-position five-way pulse electromagnetic valve in a top view structure;

FIG. 2 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the line C-C in FIG. 1;

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

FIG. 5 is a schematic structural view of a bottom case of the four-position five-way pulse solenoid valve of the present invention;

FIG. 6 is a schematic structural view of the middle case middle box of the four-position five-way pulse solenoid valve of the present invention;

FIG. 7 is a side view schematic of the structure of FIG. 6;

fig. 8 is a schematic structural diagram of a shell cover in the four-position five-way pulse electromagnetic valve of the present invention;

FIG. 9 is a side view schematic of the structure of FIG. 8;

fig. 10 is a schematic structural diagram of a coil assembly in the four-position five-way pulse electromagnetic valve of the present invention.

FIG. 11 is a side view schematic of the structure of FIG. 10;

fig. 12 is a schematic structural diagram of a valve body component of the four-position five-way pulse solenoid valve provided by the present invention.

Detailed Description

Referring to fig. 1, 2, 3 and 4 with reference to fig. 5 to 12, the four-position five-way pulse solenoid valve of the present invention includes: the solenoid valve comprises a solenoid valve base box 2, a solenoid valve base box 3, a valve body component 1 arranged between the inside of the solenoid valve base box 2 and the inside of the solenoid valve base box 3, magnet exciting coil assemblies A and B, a permanent magnet A, B, C, D, a solenoid valve cover 4 arranged on the inside of the solenoid valve base box 3, and a fixing screw for fixing and installing.

The valve body installation lower groove is formed in the shell bottom box 2, the valve body component 1 is arranged in the valve body installation lower groove of the shell bottom box 2, the shell middle box 3 is installed above the valve body component 1 (see fig. 1, 2, 3 and 4), the valve body component on the shell middle box 3 is installed with the upper groove and tightly buckled on the valve body component 1, the four installation lower buckles 26 (see fig. 4) on the shell bottom box 2 are buckled with the four installation upper buckles 33 (see fig. 2) on the shell middle box 3, the shell bottom box 2 and the shell middle box 3 (see fig. 2) are fixed by fixing screws 7A and 7B, and the valve body 1 is fixed in the shell bottom box 2 and the shell middle box 3. Two permanent magnets 6a1 and 6B1 (see fig. 3) are built in the case bottom 2, the magnetic fields of the permanent magnets 6a1 and 6B1 repel each other, two permanent magnets 6a2 and 6B2 (see fig. 2) are built in the case middle 3, the magnetic fields of the permanent magnets 6a2 and 6B2 repel each other, the permanent magnets 6a1 and 6a2 are located at the positions of both sides of the valve body member 1 and the valve element 14A in the valve body member 1, and the permanent magnets 6B1 and 6B2 are located at the positions of both sides of the valve body member 1 and the valve element 14B in the valve body member 1. The field coil assemblies 5A, 5B (see fig. 4, 5) are mounted in the field

coil mounting cavities

21A, 21B of the bottom case, the circular arc surfaces of the yoke pieces 51A1, 51A2, 51B1, 51B2 on the field coil assemblies are closely attached to the outer circumferential surface of the valve body member 1, the yoke pieces 51A1 are located at the yoke end piece 15A on the valve body member 1, the yoke pieces 51A2 are located at the yoke core 12A on the valve body member 1, the yoke pieces 51B1 are located at the yoke end piece 15B on the valve body member 1, and the yoke pieces 51B2 are located at the yoke core 12B on the valve body member 1. The case cover is mounted above the case 3 in the case for fixing by mounting buttons.

Referring to fig. 5, the housing bottom case 2 is provided with a valve body assembly 1 mounting groove 22, field coil

assembly mounting cavities

21A and 21B, permanent

magnet mounting cavities

23A and 23B, four mounting lower buttons 26, fixing

screw holes

25A and 25B, and a product mounting hole 24.

Referring to fig. 6 and 7, the housing-in-housing case 3 is provided with a valve body 1 mounting groove 35, a field coil chamber 32 and a cable groove 31, and

mounting chambers

34A and 34B for permanent magnets C and D, eight mounting lower buttons 36, four mounting upper buttons 33, and fixing

screw holes

37A and 37B.

Referring to fig. 8 and 9, the solenoid valve housing cover 4 is provided with a cable mounting groove 41 and eight mounting upper buckles 42.

Referring to fig. 10 and 11, the field coil assembly a includes a field coil 53A, a yoke core 52A, and yoke pieces 51A and 51B. The yoke iron core 52A is installed in the hole of the excitation coil 53A, and the yoke pieces 51A and 51B are installed on the two end faces of the excitation coil 53A, sleeved on the core of the yoke iron 52A and fixed into a whole by riveting. The field coil assembly B is the same as the field coil assembly a.

Referring to fig. 12, the valve body assembly 1 is composed of an inlet pipe 17, four

outlet pipes

19A, 19B, 16A, 16B, a valve body 11, two

yoke end pieces

15A, 15B, two

yoke cores

12A, 12B, two

valve housings

13A, 13B, and two

valve cores

14A, 14B. Wherein,

the valve body 11 is provided with

inlet passage holes

111, 112, an inlet pipe mounting hole 114, and two yoke

core mounting holes

113A, 113B. The inlet pipe 17 is installed in the inlet pipe mounting hole 114 and is welded, fixed and sealed by silver brazing in a method, and the inlet pipe inner hole is communicated with the

inlet channel holes

111 and 112 to form an inlet channel. The

yoke cores

12A and 12B are respectively installed in the

yoke installation holes

113A and 113B at the left and right ends of the valve body 11, and are fixed and sealed by silver brazing to form a whole.

The

yoke cores

12A and 12B are respectively provided with

mounting holes

124A and 124B of

outlet pipes

19A and 19B, the

outlet pipes

19A and 19B are mounted in the outlet

pipe mounting holes

124A and 124B, and are connected, fixed and sealed by silver brazing to form a whole. The

yoke cores

12A and 12B are also provided with

outlet passage holes

122A, 123A, 124A and 122B, 123B, 124B and

process holes

126A, 126B, respectively, and

inlet passage holes

121A and 121B. The

outlet passage holes

122A and 123A, 124A communicate with the inner hole of the outlet pipe 19A to form a third outlet passage, and a third port is formed at one end face 124A of the outlet passage hole 122A. The

outlet passage holes

122B and 123B, 124B communicate with the inner hole of the outlet pipe 19B to form a fourth outlet passage, and a fourth valve port is formed in one end surface 124B of the outlet passage hole 122B. The process plugs 18A and 18B plug the

process holes

126A and 126B, respectively, in a press-fit manner. One ends of the

yoke cores

12A and 12B are respectively installed in the installation holes of the

yoke cores

113A and 113B on the valve body, and are fixedly sealed by silver brazing to form a whole. The other end surfaces of the

yoke cores

12A and 12B are fitted in the holes of the valve housing 13A and the valve housing 14A, respectively, and fixed and sealed integrally by a sub-arc welding method. The inlet channel on the valve body is communicated with the inlet channel hole on the magnetic yoke core to form an inlet channel.

The

valve casings

13A and 13B are respectively provided with

liquid inlet grooves

132A and 132B, the middle parts of the

valve casings

13A and 13B are respectively provided with sliding

grooves

131A and 131B which are round hole type, and the inside of the

sliding grooves

131A and 131B is respectively provided with a

valve core

14A and 14B. One end of the valve casing 13A is fitted over one axial end of the yoke core 12A and fixed and sealed by a sub-arc welding method to form a single body, and the other end of the valve casing 13A is fitted over one axial end of the yoke end piece 15A and fixed and sealed by a sub-arc welding method to form a single body. One end of the valve casing 13B is fitted over one axial end of the yoke core 12B and fixed and sealed by a sub-arc welding method to form a single body, and the other end of the valve casing 13B is fitted over one axial end of the yoke end piece 15B and fixed and sealed by a sub-arc welding method to form a single body.

The

valve cores

14A and 14B are made of magnetic conductive materials; the

spools

14A, 14B are provided in the circular

groove type chutes

131A and 131B, respectively.

The

yoke end pieces

15A and 15B are respectively provided with outlet

pipe mounting holes

153A and 153B and outlet passage holes 152A, 154A and 152B, 154B, and the two

yoke end pieces

15A and 15B have the same structure. The outlet pipe 16A is fitted in the outlet pipe fitting hole 153A, and the outlet pipe 16B is fitted in the outlet pipe fitting hole 153B, and fixed and sealed by silver brazing to form a single body. The inner bore of the outlet pipe 16A communicates with the outlet passage holes 152A, 154A to form a first outlet passage, and forms a first valve port at one end face 151A of the outlet passage hole 152A. The inner hole of the outlet pipe 16B communicates with the outlet passage holes 152B, 154B to form a second outlet passage, and a second valve port is formed at one end face 151B of the outlet passage hole 152B. One end of the yoke end piece 15A is placed in the yoke end piece mounting hole 153A of the valve housing 13A and fixed and sealed integrally by a sub-arc welding method. One end of the yoke end piece 13B is seated in the yoke end piece mounting hole 153B of the valve housing B and fixed and sealed integrally by a sub-arc welding method.

The utility model discloses four-bit five-way solenoid valve's theory of operation as follows:

referring to the attached drawings 1, 2, 3 and 4, the working process of the four-position five-way pulse electromagnetic valve is understood in several states as follows:

setting: when no pulse current is input to the exciting coils a and B, the valve element 14A is forced in the direction of the third port by the pair of magnetic field repelling permanent magnets 6a1 and 6a2, and the valve element 14A closes the third port. Under the action of the pair of permanent magnets 6B1 and 6B2 with the repulsive magnetic field, the valve core 14B is forced in the direction of the fourth valve port, and the valve core 14B closes the fourth valve port. In this state, the first and second valve ports are opened, and the third and fourth valve ports are closed. At this time, the valve element 14A is magnetized magnetically, the left hemisphere is magnetized magnetically, the right hemisphere is magnetized magnetically, the valve element 14B is magnetized magnetically, the left hemisphere is magnetized magnetically, and the right hemisphere is magnetized magnetically.

1. When the positive pulse current is applied to the excitation coil a, the excitation coil generates an excitation magnetic field to enable the magnetic yoke piece 51a1 and the magnetic yoke end piece 15A to be in an S polarity, the magnetic yoke piece 51a2 and the magnetic yoke core 12A to be in an N polarity, the polarity of the magnetic field on the magnetic yoke core 12A is the same as that of the magnetic field on the right hemisphere of the valve core 14A, a repulsive force is generated to enable the valve core 12A to move towards the first valve port direction, after the magnetic yoke passes through the center lines of the permanent magnets 6a1 and 6a2, the magnetized polarity of the valve core 12A is opposite, the left hemisphere is in an N polarity, the hemisphere is in an S polarity, the valve core 12A continues to move towards the first valve port direction under the repulsive magnetic field of the permanent magnets 6a 36.

2. When the excitation coil B applies positive pulse current, the working process is the same as 1.

3. When the first valve port is closed and the third valve port is opened: when the reverse pulse current is applied to the excitation coil a, the excitation coil generates an excitation magnetic field to enable the magnetic yoke piece 51a1 and the magnetic yoke end piece 15A to be in an N polarity, the magnetic yoke piece 51a2 and the magnetic yoke core 12A to be in an S polarity, the magnetic field polarity on the magnetic yoke end piece 15A is the same as the magnetic field polarity on the left hemisphere of the valve core 14A to generate a repulsive force, the valve core 12A is moved towards the direction of the third valve port, after passing through the center lines of the permanent magnets 6a1 and 6a2, the magnetized polarity of the valve core 12A is opposite, the left hemisphere is in an S polarity, the hemisphere is in an N polarity, the valve core 12A continues to move towards the direction of the third valve port under the action of the repulsive magnetic field of the permanent magnets 6a 1.

4. When the excitation coil B is applied with reverse pulse current, the working process is the same as 3.

To sum up, the utility model discloses four-bit five-way solenoid valve owing to adopted above-mentioned technical scheme to solved the problem of refrigerating system multichannel refrigerant flow direction arbitrary control, makeed the product function obtain improving, made it have following function:

1. when the electromagnetic coil A and the electromagnetic coil B are simultaneously applied with positive pulse current, the refrigerant channels of the input pipe A and the output pipes B and C are closed, and the refrigerant channel between the D and the E is opened.

2. When the electromagnetic coil A and the electromagnetic coil B are simultaneously applied with reverse pulse current, the refrigerant channels of the input pipe A and the output pipes B and C are opened, and the refrigerant channels of the output pipes D and E are closed.

3. When the electromagnetic coil A is applied with forward pulse current and the electromagnetic coil B is applied with reverse pulse current, the refrigerant channels of the input pipe A and the output pipes D and C are opened, and the refrigerant channels of the output pipes B and E are closed.

4. When the electromagnetic coil A is applied with reverse pulse current and the electromagnetic coil B is applied with forward pulse current, the refrigerant channels of the input pipe A and the output pipes D and C are closed, and the refrigerant channels of the output pipes B and E are opened.

The utility model discloses simple structure is compact and the function is reasonable completely, consequently very practical.

Claims

1. A four-position, five-way solenoid valve comprising: the electromagnetic valve comprises an electromagnetic valve bottom box (2), an electromagnetic valve middle box (3), a valve body component (1) and two excitation coil assemblies (A, B) which are arranged between the inside of the electromagnetic valve bottom box (2) and the inside of the electromagnetic valve middle box (3), four permanent magnets (A, B, C, D) for installing the inside of the electromagnetic valve bottom box (2) and the inside of the electromagnetic valve middle box (3), an electromagnetic valve cover (4) arranged on the inside of the electromagnetic valve middle box (3), and fixing screws for fixing and installing; the method is characterized in that:

the shell bottom box (2) is provided with a valve body part mounting groove (22), magnet exciting coil assembly mounting cavities (21A, 21B) and permanent magnet A and B mounting cavities (23A, 23B);

the shell middle box (3) is provided with a valve body part mounting groove (35), an excitation coil cavity (32), a cable mounting groove (32) and mounting cavities (34A, 34B) of permanent magnets C and D;

a cable mounting groove (41) is formed in the electromagnetic valve shell cover (4);

the excitation coil assemblies A and B respectively consist of an excitation coil (53A), a magnetic yoke iron core (52A) and magnetic yoke sheets (51A and 51B);

the valve body component (1) consists of an inlet pipe, an outlet pipe, a valve body (11), a magnet yoke end piece, a magnet yoke core, a valve shell and a valve core.

2. The four-position, five-way solenoid valve as recited in claim 1, wherein: the valve body component (1) is composed of an inlet pipe (17), four outlet pipes (19A, 19B, 16A, 16B), a valve body (11), two magnetic yoke end pieces (15A, 15B), two magnetic yoke cores (12A, 12B), two valve casings (13A, 13B) and two valve cores (14A, 14B).

3. The four-position, five-way solenoid valve as recited in claim 1, wherein: the magnetic yoke iron core (52A) is arranged in a hole of the excitation coil (53A), and the magnetic yoke sheets (51A, 51B) are arranged on two end faces of the excitation coil (53A), sleeved on the core of the magnetic yoke iron (52A) and fixed into a whole.

4. A four-position, five-way solenoid valve as claimed in claim 1 or 2, wherein: the valve body part (1) is characterized in that inlet channel holes (111, 112), an inlet pipe mounting hole (114) and two magnetic yoke core mounting holes (113A, 113B) are formed in a valve body (11), the inlet pipe (17) is fixedly and hermetically arranged in the inlet pipe mounting hole (114), and an inner hole of the inlet pipe (17) is communicated with the inlet channel holes (111, 112) to form an inlet channel; the magnetic yoke cores (12A and 12B) are respectively fixed and hermetically arranged in magnetic yoke mounting holes (113A and 113B) at the left end and the right end of the valve body (11).

5. The four-position, five-way solenoid valve as recited in claim 1 or 4, wherein: in the valve body part (1), outlet pipe mounting holes (124A, 124B), outlet passage holes (122A, 123A, 124A, 122B, 123B, 124B) and inlet passage holes (121A; 121B) are respectively arranged on the yoke cores (12A, 12B);

the outlet pipes (19A, 19B) are fixedly and hermetically arranged in the outlet pipe mounting holes (124A, 124B); the outlet channel holes (122A, 123A, 124A) are communicated with the inner hole of the outlet pipe (19A) to form a third outlet channel, and a third valve opening is formed in one end surface (124A) of the outlet channel hole (122A); the outlet channel holes (122B, 123B and 124B) are communicated with the inner hole of the outlet pipe (19B) to form a fourth outlet channel, and a fourth valve port is formed on one end surface (124B) of the outlet channel hole (122B); one ends of the magnetic yoke cores (12A, 12B) are respectively fixed and hermetically installed in the installation holes of the magnetic yoke cores (113A, 113B) on the valve body; the other end surfaces of the yoke cores (12A, 12B) are respectively fixedly and hermetically installed in the holes of the valve casings (13A, 14A); the inlet channels (111, 112) on the valve body 11 are communicated with the inlet channel holes (121A; 121B) on the magnetic yoke core to form the inlet channels.

6. The four-position, five-way solenoid valve as recited in claim 1 or 4, wherein: in the valve body part (1), the magnetic yoke cores (12A, 12B) are also respectively provided with a process hole (126A, 126B), and the process plugs (18A, 18B) are closely matched with the process holes (126A, 126B) and respectively plugged on the process holes (126A, 126B).

7. The four-position, five-way solenoid valve as recited in claim 1, wherein: in the valve body component (1), the valve casings (13A, 14A) are respectively provided with liquid inlet grooves (132A, 132B), the middle parts of the valve casings (13A, 14A) are respectively provided with sliding grooves (131A, 131B) in a circular hole shape, and the inside of the sliding grooves (131A, 131B) in the circular hole shape is respectively provided with a valve core (14A, 14B); two ends of the valve shell (13A) are respectively fixed and hermetically arranged at one shaft end of the magnetic yoke core (12A) and the magnetic yoke end piece (15A); two ends of the valve shell (13B) are respectively fixed and hermetically arranged at one shaft end of the magnetic yoke core (12B) and the magnetic yoke end piece (15B).

8. The four-position, five-way solenoid valve as recited in claim 1, wherein: in the valve body component (1), the valve cores (14A, 14B) are made of magnetic conductive materials, and the valve cores 14A, 14B are respectively arranged in the round-hole type chutes (131A, 131B).

9. The four-position, five-way solenoid valve as recited in claim 1, wherein: in the valve body component (1), the magnet yoke end parts (15A, 15B) are respectively provided with outlet pipe mounting holes (153A, 153B), outlet channel holes (152A, 154A and 152B, 154B), and two magnet yoke end parts (15A, 15B); the outlet pipes (16A, 16B) are respectively fixedly and hermetically arranged in the outlet pipe mounting holes (153A, 153B); the inner hole of the outlet pipe (16A) is communicated with the outlet channel holes (152A, 154A) to form a first outlet channel, and a first valve port is formed on one end surface (151A) of the outlet channel hole (152A); the inner hole of the outlet pipe (16B) is communicated with the outlet channel holes (152B, 154B) to form a second outlet channel, and a second valve port is formed on one end surface (151B) of the outlet channel hole (152B); one end of the magnetic yoke end piece (15A) is fixedly and hermetically arranged in a magnetic yoke end piece mounting hole (153A) of the valve shell (13A), and one end of the magnetic yoke end piece (13B) is fixedly and hermetically arranged in a magnetic yoke end piece mounting hole (153B) of the valve shell B.