CN210600292U - Novel multifunctional four-way reversing valve - Google Patents

Abstract

The utility model discloses a novel multi-functional four-way reversing valve, including disk seat and case, the disk seat includes 4 fluid connection ports, 4 fluid connection ports respectively with disk seat horizontal connection and communicate with each other with the valve body is inside, including the supply side entry and the supply side export that are used for connecting main supply side system for the load side entry and the load side export of connecting user side system, the sealed rotation of case is assembled in the inner chamber of disk seat, be provided with 4 passageways on the case, when the relative disk seat of case rotates, with 4 fluid connection ports realize the switching-over of valve, block and the 0 ~ 100% regulatory function of flow. The utility model discloses a not only can have the fluid such as gas in the pipeline, liquid and flow direction changing, block and control or flow control function, make moreover to install the takeover in the system very convenient with the cross valve, reduced design and manufacturing cost, also reduced the system energy consumption.

Description

Novel multifunctional four-way reversing valve

Technical Field

The utility model relates to a switching-over valve technical field, concretely relates to be applied to multi-functional four-way switching-over valve of direction such as fluid transmission and distribution pipe-line system, heating system, cooling system, refrigerating system or industry heat exchanger that flows switching-over, flow control, jam and temperature measurement, flow measurement convenient to installation and dismantlement.

Background

Backwash and/or reverse flow are critical to filter and heat exchanger cleaning and heat pump specific engineering systems. These functions are usually performed by a so-called four-way valve or four-way cock. A four-way valve or four-way cock is a fluid control valve having a valve body with four ports equally spaced around a valve chamber and a valve core with two passages connecting adjacent ports. The valve core may be cylindrical, conical or spherical. It has two flow positions, the position where all ports are normally closed is the central position. Since the two "L" ports in the spool are not interconnected, the four-way valve is sometimes referred to as an "X" interface or X body.

The four-way valve is limited by the position of the pipe orifice of the four-way valve, the connecting pipe arranged in the system is very inconvenient, an elbow needs to be added to be matched with the four-way valve, the construction difficulty is increased, and the resistance of the pipeline is increased. This type of mounting not only increases the design and manufacturing costs, but also increases the energy consumption of the system.

Four-way valves of the prior art generally only have the functions of blocking and flow reversing. In the prior art, due to the function limitation of the four-way valve, the system including the four-way valve often needs to cooperate with structural parts such as a pilot valve and a control valve to realize the flow control function.

In the existing fluid system, the function of regulating the flow of the valve needs the cooperation of a flowmeter, and the flowmeter is independently arranged in a pipeline, so that the length of the pipeline is increased. In the case of heating, heat exchangers, etc. with heat exchange requirements, flow meters and thermometers are required to measure the heat consumption at the end of the system. This design not only makes the system more complex, but also increases design and manufacturing costs, resulting in higher failure rates and higher maintenance costs.

The invention discloses a four-way regulating valve and a working method thereof in China invention patent application with publication number CN110030406A, which is published in 7/19/2019, and comprises 4 fluid connection ports, a shell and a streamline valve core, wherein the 4 fluid connection ports are respectively communicated with the interior of the shell, the four-way regulating valve comprises 1 supply port and 1 return port which are used for connecting a main supply side system, and 2 load side ports which are used for connecting a user side system, the supply port and the return port are respectively and correspondingly arranged at two ends of the diameter of the cross section of a cylindrical side shell, the 2 load side ports are respectively and correspondingly arranged at two ends of the diameter of the cross section of the cylindrical side shell, the streamline valve core is arranged in the shell, the streamline core baffle plate divides the interior of the shell into 2 spaces, and realizes reversing, blocking and regulating functions with the 4 fluid connection ports. The invention discloses a four-way regulating valve and a working method thereof with publication number CN107435746B, which is disclosed on 7/9/2019, wherein the four-way regulating valve comprises a supply port and a return port which are respectively and correspondingly arranged at two ends of the diameter of the cross section of a cylindrical side shell, and 2 load side ports which are respectively and correspondingly arranged at two ends of the diameter of the cross section of the cylindrical side shell. The arrangement of the position of the pipe orifice of the four-way valve ensures that the four-way valve is very inconvenient to install a connecting pipe in a system, an elbow and the four-way valve are required to be added for matching, the construction difficulty is increased, the pipeline resistance is increased, the installation mode not only increases the design and manufacturing cost, but also increases the energy consumption of the system.

SUMMERY OF THE UTILITY MODEL

For solving the above problem, the utility model provides a novel multi-functional four-way reversing valve not only can have the fluid such as gas in the pipeline, liquid and flow reversing, block and control or flow control function, makes moreover to install the takeover in the system very convenient with the cross valve, has reduced design and manufacturing cost, has also reduced the system energy consumption.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

a novel multifunctional four-way reversing valve comprises a valve seat and a valve core, wherein the valve seat is cylindrical, the valve seat comprises 4 fluid connecting ports, the 4 fluid connecting ports are respectively horizontally connected with the valve seat and communicated with an inner cavity of the valve seat, the 4 fluid connecting ports comprise a supply side inlet and a supply side outlet which are used for connecting a main supply side system, and are used for connecting a load side inlet and a load side outlet of a user side system, the valve core is hermetically and rotatably assembled in the inner cavity of the valve seat, the rotating axis of the valve core is in the up-down direction, an upper rotating shaft of the valve core is provided with a connecting part which is used for being connected with a driving device, the central lines of the 4 fluid connecting ports are positioned in the same plane containing the rotating axis of the valve core, the supply side inlet is arranged above the supply side outlet and positioned on one side of the valve seat, and the load side inlet is arranged above the load side outlet and, the valve comprises a valve body, a valve seat, a valve core, a supply side inlet, a load side outlet, a valve core and 4 fluid connecting ports, wherein the supply side inlet and the load side inlet are arranged in a penetrating mode and have the same central line, the supply side outlet and the load side outlet are arranged in a penetrating mode and have the same central line, 4 channels are arranged on the valve core, and when the valve core rotates relative to the valve seat, the valve core and the 4 fluid connecting ports achieve reversing and blocking functions of the valve and 0-.

Further, the supply side inlet, the supply side outlet, the load side inlet and the load side outlet have the same inner bore diameter.

Further, the inner hole of the supply side outlet is of a taper hole structure.

Further, the supply side inlet, the load side inlet and the load side outlet have the same inner bore diameter, and the supply side outlet bore has a tapered bore large end diameter of the same size as the inner bore diameter of the supply side inlet, the load side inlet and the load side outlet.

Furthermore, the 4 channels on the valve core comprise a first channel, a second channel, a third channel and a fourth channel, the first channel and the second channel are formed by straight-through holes penetrating the diameter of the valve core, the first channel is positioned above the second channel and arranged in parallel with the second channel, the third channel and the fourth channel (204) are formed by spiral grooves arranged on the peripheral wall of the valve core, and the third channel and the fourth channel have the same structure and are in central symmetry relative to the rotation axis of the valve core.

Furthermore, the 4 channels on the valve core comprise a first channel, a second channel, a third channel and a fourth channel, the first channel and the second channel are formed by straight-through holes penetrating through the diameter of the valve core, the first channel is positioned above the second channel and arranged in parallel with the second channel, the third channel and the fourth channel are formed by pore channels arranged in the valve core, and the third channel and the fourth channel are in central symmetry relative to the rotation axis of the valve core.

Furthermore, the first channel and the second channel have the same pipe diameter and are consistent with the flow areas of the third channel and the fourth channel.

Furthermore, a first temperature acquisition hole is formed in the load side inlet, a second temperature acquisition hole is formed in the load side outlet, and the first temperature acquisition hole and the second temperature acquisition hole are used for being connected with a temperature sensor; the pressure sensor is characterized in that a first pressure acquisition hole is formed in the small-end cylindrical hole of the taper hole of the supply side outlet, a second pressure acquisition hole is formed in the large-end cylindrical hole of the taper hole of the supply side outlet, and the first pressure acquisition hole and the second pressure acquisition hole are used for being connected with a pressure sensor.

Furthermore, the upper part of the valve seat is fixedly connected with an upper gland, the lower part of the valve seat is fixedly connected with a lower gland, the upper end rotating shaft of the valve core is rotatably connected through an upper bearing fixed in the upper gland, the lower end rotating shaft of the valve core is rotatably connected through a lower bearing fixed in the lower gland, the lower part of the upper gland is symmetrically provided with a left protrusion and a right protrusion, one end of the valve core opposite to the upper gland is symmetrically provided with a left annular groove and a right annular groove, the left protrusion corresponds to the left annular groove, and the right protrusion corresponds to the right annular groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the four-way valve has the functions of reversing, blocking and controlling the flow of the fluid such as gas, liquid and the like in the pipeline or regulating the flow by adding a flow measurement function.

2. 4 fluid connection ports of the valve body are positioned in the same vertical plane, so that the four-way valve is very convenient to install a connecting pipe in a system, the design and manufacturing cost is reduced, and the energy consumption of the system is also reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of one embodiment of the valve seat 1;

FIG. 3 is a top view of the valve seat 1 of FIG. 2;

FIG. 4 is a cross-sectional view A-A of the valve seat 1 of FIG. 3;

fig. 5 is a front view of another embodiment of the valve seat 1;

FIG. 6 is a top view of the valve seat 1 of FIG. 5;

FIG. 7 is a sectional view B-B of the valve seat 1 of FIG. 6;

fig. 8 is a front view of the valve cartridge 2;

FIG. 9 is a cross-sectional view taken at C-C of FIG. 8;

FIG. 10 is a view taken along line D of FIG. 8;

FIG. 11 is a top view of the valve cartridge of FIG. 9;

fig. 12 is a front view of the valve element 2 in a porthole structure.

In the figure: 1. a valve seat; 101. a supply-side inlet; 102. a supply-side outlet; 103. a load side inlet; 104. a load side outlet; 105. a first temperature collection well; 106. a second temperature collection well; 107. a first pressure acquisition port; 108. a second pressure acquisition port; 2. a valve core; 201. a first channel; 202. a second channel; 203. a third channel; 204. a fourth channel; 205. a first front port; 206. a first rear port; 207. a second front port; 208. a second rear port; 209. a third top portion; 210. a third bottom; 211. a fourth top portion; 212. a fourth bottom; 213. a left annular groove; 214. a right annular groove; 215. the end part of the left groove is I; 216. the end part of the right groove is I; 217. the end part II of the left groove; 218. the end part II of the right groove; 219. lightening holes; 3. a gland is arranged; 301. a left side bulge; 302. a right side bulge; 4. a lower gland; 5. an upper bearing; 6. a lower bearing; 7. a first screw; 8. a second screw; 9. an upper seal ring; 10. a lower seal ring; 11. shaft sealing; 12. a third screw; 13. and (4) a packing gland.

Detailed Description

The following detailed description of the embodiments of the present invention is provided to enable those skilled in the art to more clearly understand the technical solutions of the present invention, and the technical solutions of the present invention are not limited by the embodiments and the corresponding drawings.

Example 1:

as shown in fig. 1 to 7, a novel multifunctional four-way reversing valve comprises a valve seat 1 and a valve core 2, wherein the valve seat 1 is cylindrical, the valve seat 1 comprises 4 fluid connection ports, the 4 fluid connection ports are respectively horizontally connected with the valve seat 1 and communicated with an inner cavity of the valve seat 1, and the 4 fluid connection ports comprise a supply side inlet 101 and a supply side outlet 102 for connecting a main supply side system, and a load side inlet 103 and a load side outlet 104 for connecting a user side system; the valve core 2 is hermetically and rotatably assembled in an inner cavity of the valve seat 1, the rotation axis of the valve core 2 is in the vertical direction, the upper rotation shaft of the valve core 2 is provided with a connecting part for connecting with a driving device, the upper part of the valve seat 1 is fixedly connected with an upper gland 3 through a screw I7, the lower part of the valve seat 1 is fixedly connected with a lower gland 4 through a screw II 8, the upper rotation shaft of the valve core 2 is rotatably connected through an upper bearing 5 fixed in the upper gland 3, the lower rotation shaft of the valve core 2 is rotatably connected through a lower bearing 6 fixed in the lower gland 4, the central lines of the 4 fluid connecting ports are positioned in the same plane containing the rotation axis of the valve core 2, the supply side inlet 101 is arranged above the supply side outlet 102 and positioned at one side of the valve seat 1, the load side inlet 103 is arranged above the load side outlet 104 and positioned at, the supply side inlet 101 and the load side inlet 103 are arranged in a penetrating manner and have the same central line, the supply side outlet 102 and the load side outlet 104 are arranged in a penetrating manner and have the same central line, 4 channels are arranged on the valve element 2, and when the valve element 2 rotates relative to the valve seat 1, the 4 fluid connecting ports and the 4 fluid connecting ports realize the functions of reversing and blocking the valve and adjusting the flow rate by 0-100%. In order to prevent fluid from leaking in the valve seat 1 and improve the sealing performance of the valve body, the upper portion of the valve seat 1 and the upper gland 3 are sealed through an upper sealing ring 9, the lower portion of the valve seat 1 and the lower gland 4 are sealed through a lower sealing ring 10, a shaft seal 11 is arranged between the upper end rotating shaft of the valve core 2 and the upper gland 3 for sealing, and the shaft seal 11 is fixedly connected with the upper gland 3 and a packing gland 13 through a third screw 12.

As shown in fig. 2, 3 and 4, a structural form of the valve seat 1 is provided; as shown in fig. 5, 6 and 7, an alternative form of valve seat 1 is shown, differing from the valve seat 1 shown in fig. 2, 3 and 4 in the length dimension of the load-side outlet 104. Preferably, the supply side inlet 101, the supply side outlet 102, the load side inlet 103 and the load side outlet 104 have the same inner bore diameter.

As shown in fig. 1 to 7, the inner hole of the supply-side outlet 102 is preferably a tapered hole structure. The supply side inlet 101, the load side inlet 103 and the load side outlet 104 have the same inner bore diameter, and the supply side outlet 102 has a bore with a large tapered bore end diameter of the same size as the inner bore diameters of the supply side inlet 101, the load side inlet 103 and the load side outlet 104. A first temperature collecting hole 105 is formed in the load side inlet 103, a second temperature collecting hole 106 is formed in the load side outlet 104, and the first temperature collecting hole 105 and the second temperature collecting hole 106 are used for being connected with a temperature sensor; a first pressure collecting hole 107 is formed in the small-end cylindrical hole of the tapered hole of the supply-side outlet 102, a second pressure collecting hole 108 is formed in the large-end cylindrical hole of the tapered hole of the supply-side outlet 102, and the first pressure collecting hole 107 and the second pressure collecting hole 108 are used for being connected with a pressure sensor. The electrical signal is transmitted to a control system, and the control system performs system operation on the measured data, so that the flow rate of the fluid flowing through the four-way valve can be measured, the purpose of flow measurement is achieved, and the temperature conditions of the fluid flowing through the load-side inlet 103 and the load-side outlet 104 can be monitored at the same time.

As shown in fig. 1, 8, 9, 10 and 11, preferably, the 4 channels on the valve core 2 include a first channel 201, a second channel 202, a third channel 203 and a fourth channel 204, the first channel 201 and the second channel 202 are formed by through holes penetrating the diameter of the valve core 2, the first channel 201 is located above the second channel 202 and is arranged in parallel with the second channel 202, the third channel 203 and the fourth channel 204 are formed by spiral grooves arranged on the outer peripheral wall of the valve core 2, and the third channel 203 and the fourth channel 204 are identical in structure and are symmetrical with respect to the rotation axis of the valve core 2. The first channel 201 and the second channel 202 have the same pipe diameter and are consistent with the flow area of the third channel 203 and the fourth channel 204. The two ends of the third channel 203 are respectively a third top 209 and a third bottom 210, and the two ends of the fourth channel 204 are respectively a fourth top 211 and a fourth bottom 212; the two ports of the first channel 201 are a first front port 205 and a first rear port 206, respectively, and the two ports of the second channel 202 are a second front port 207 and a second rear port 208, respectively. The span of two points of the third top 209 and the third bottom 210 at two ends of the third channel 203 in the circumferential direction of the valve core 2 is a half circle, and the third channel 203 and the fourth channel 204 have the same structure and are centrosymmetric relative to the rotation axis of the valve core 2. Two ports of the first channel 201, namely a first front port 205 and a first rear port 206, and a third top 209 of the third channel 203 and a fourth top 211 of the fourth channel 204, are uniformly distributed in the outer circumferential direction of the valve core 2 and are located in the same horizontal plane, namely two adjacent ports are distributed at an interval of 90 degrees; similarly, the two ports of the second channel 202, the second front port 207 and the second rear port 208, and the third bottom 210 of the third channel 203 and the fourth bottom 212 of the fourth channel 204 are uniformly distributed in the outer circumferential direction of the spool 2 and are located in the same horizontal plane, that is, two adjacent ports are distributed at an interval of 90 degrees.

As shown in fig. 1, 9 and 11, a left protrusion 301 and a right protrusion 302 are symmetrically disposed on the lower portion of the upper gland 3, the left protrusion 301 and the right protrusion 302 are cylindrical, a left annular groove 213 and a right annular groove 214 are symmetrically disposed on the end of the valve core 2 opposite to the upper gland 3, the left protrusion 301 corresponds to the left annular groove 213, and the right protrusion 302 corresponds to the right annular groove 214. When the valve core 2 rotates relative to the upper gland 3, the left protrusion 301 is positioned in the left annular groove 213 and performs relative rotation, and at the same time, the right protrusion 302 is positioned in the right annular groove 214 and performs relative rotation. The left annular groove 213 has a left groove end 215 and a left groove end 217, the right annular groove 214 has a right groove end 216 and a right groove end 218, the left protrusion 301 rotates relative to the left annular groove 213 from the left groove end 215 to the left groove end 217 by 90 degrees, and the right protrusion 302 rotates relative to the right annular groove 214 from the right groove end 216 to the right groove end 218 by 90 degrees. Thereby achieving the purpose of limiting the relative rotation range of the valve core 2.

In addition, as shown in fig. 1 and 2, in order to reduce the weight of the valve core 2, a lightening hole 219 may be provided on the valve core 2, and the lightening hole 219 should be provided in consideration of the balance requirement of the valve core 2.

The working method of the invention specifically comprises the following steps:

1. when it is necessary to flow fluid from the supply-side inlet 101 to the load-side inlet 103, the valve body 2 is rotated so that the first front port 205 of the first passage 201 communicates with the supply-side inlet 101, the first rear port 206 of the first passage 201 communicates with the load-side inlet 103, the second front port 207 of the second passage 202 communicates with the supply-side outlet 102, and the second rear port 208 communicates with the load-side outlet 104. At this time, the left protrusion 301 is located at the left groove end portion two 217 of the left annular groove 213, and the right protrusion 302 is located at the right groove end portion two 218 of the right annular groove 214.

2. When it is desired to have fluid flow from the supply side inlet 101 to the load side outlet 104, the spool 2 is rotated so that the third top portion 209 of the third passageway 203 will communicate with the supply side inlet 101 and the third bottom portion 210 of the third passageway 203 will communicate with the load side outlet 104; at the same time, the fourth top 211 of the fourth channel 204 will communicate with the load side inlet 103 and the fourth bottom 212 of the fourth channel 204 will communicate with the supply side outlet 102. At this time, the left protrusion 301 is located at the left groove end 215 of the left annular groove 213, and the right protrusion 302 is located at the right groove end 216 of the right annular groove 214.

3. When it is necessary to block or isolate the supply side and the load side, the spool 2 is rotated such that the circumferential surface of the spool 2 completely blocks the 4 fluid connection ports of the valve seat 1, so that none of the ports of the first passage 201, the second passage 202, the third passage 203, and the fourth passage 204 can communicate with the 4 fluid connection ports of the valve seat 1. At this time, the left protrusion 301 is located at the middle position of the left annular groove 213, and the right protrusion 302 is located at the middle position of the right annular groove 214.

4. When the flow needs to be adjusted or controlled, the valve core 2 is rotated to enable the circumferential surface of the valve core 2 to shield the cross sections of the 4 fluid connecting ports, and the flow adjusting effect is achieved by changing the flow cross section area of the fluid.

Example 2:

the present embodiment differs from embodiment 2 in that the third passage 203 and the fourth passage 204 on the spool 2 are configured differently. As shown in fig. 12, the 4 channels on the valve element 2 include a first channel 201, a second channel 202, a third channel 203 and a fourth channel 204, the first channel 201 and the second channel 202 are formed by through holes penetrating the diameter of the valve element 2, the first channel 201 is located above the second channel 202 and is arranged in parallel with the second channel 202, the third channel 203 and the fourth channel 204 are formed by orifices arranged inside the valve element 2, the orifices can be made of pipes, and the third channel 203 and the fourth channel 204 are symmetrical with respect to the center of the rotation axis of the valve element 2.

From the above, it is obvious to those skilled in the art that various other changes and modifications can be made according to the technical solution and the technical idea of the present invention, and all such changes and modifications should fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a novel multi-functional four-way reversing valve, includes disk seat (1) and case (2), disk seat (1) is cylindric, disk seat (1) includes 4 fluid connection ports, 4 fluid connection ports respectively with disk seat (1) horizontal connection and communicate with each other with the inner chamber of disk seat (1), 4 fluid connection ports are including supplying side entry (101) and supplying side export (102) that are used for connecting main supply side system for load side entry (103) and load side export (104) of connecting user side system, case (2) seal the rotation assembly in the inner chamber of disk seat (1), and the axis of rotation of case (2) is the vertical direction, and the last axis of rotation of case (2) is provided with the connecting portion that are used for being connected with drive arrangement, its characterized in that: the center lines of the 4 fluid connecting ports are located in the same plane containing the rotation axis of the valve core (2), the supply side inlet (101) is arranged above the supply side outlet (102) and located on one side of the valve seat (1), the load side inlet (103) is arranged above the load side outlet (104) and located on the other side of the valve seat (1), the supply side inlet (101) and the load side inlet (103) are arranged in a penetrating mode and have the same center line, the supply side outlet (102) and the load side outlet (104) are arranged in a penetrating mode and have the same center line, 4 channels are arranged on the valve core (2), and when the valve core (2) rotates relative to the valve seat (1), the 4 fluid connecting ports achieve reversing and blocking functions of the valve and 0-100% flow adjusting functions of the valve.

2. The novel multi-functional four-way reversing valve according to claim 1, wherein the supply side inlet (101), the supply side outlet (102), the load side inlet (103), and the load side outlet (104) have the same bore diameter.

3. The new multi-functional four-way reversing valve according to claim 1, characterized in that the inner bore of the supply side outlet (102) is of a tapered bore configuration.

4. A novel multifunctional four-way reversing valve according to claim 3, wherein the inner bore diameters of the supply side inlet (101), the load side inlet (103) and the load side outlet (104) are the same, and the inner bore diameter of the supply side outlet (102) is the same as the inner bore diameters of the supply side inlet (101), the load side inlet (103) and the load side outlet (104).

5. The novel multifunctional four-way reversing valve is characterized in that the 4 channels on the valve core (2) comprise a first channel (201), a second channel (202), a third channel (203) and a fourth channel (204), the first channel (201) and the second channel (202) are formed by straight through holes penetrating through the diameter of the valve core (2), the first channel (201) is located above the second channel (202) and is arranged in parallel with the second channel (202), the third channel (203) and the fourth channel (204) are both formed by spiral grooves arranged on the peripheral wall of the valve core (2), and the third channel (203) and the fourth channel (204) are identical in structure and are symmetrical relative to the center of the rotation axis of the valve core (2).

6. The novel multifunctional four-way reversing valve is characterized in that the 4 channels on the valve core (2) comprise a first channel (201), a second channel (202), a third channel (203) and a fourth channel (204), the first channel (201) and the second channel (202) are formed by straight through holes penetrating through the diameter of the valve core (2), the first channel (201) is located above the second channel (202) and is arranged in parallel with the second channel (202), the third channel (203) and the fourth channel (204) are formed by hole holes arranged inside the valve core (2), and the third channel (203) and the fourth channel (204) are symmetrical relative to the center of the rotation axis of the valve core (2).

7. The novel multifunctional four-way reversing valve according to claim 5, wherein the first channel (201) and the second channel (202) are the same in pipe diameter and are consistent with the flow areas of the third channel (203) and the fourth channel (204).

8. The novel multifunctional four-way reversing valve according to claim 6, wherein the first channel (201) and the second channel (202) have the same pipe diameter and the same flow area size as the third channel (203) and the fourth channel (204).

9. The novel multifunctional four-way reversing valve according to claim 4, wherein a first temperature collecting hole (105) is formed in the load side inlet (103), a second temperature collecting hole (106) is formed in the load side outlet (104), and the first temperature collecting hole (105) and the second temperature collecting hole (106) are used for connecting a temperature sensor; a first pressure acquisition hole (107) is formed in the small-end cylindrical hole of the taper hole of the supply side outlet (102), a second pressure acquisition hole (108) is formed in the large-end cylindrical hole of the taper hole of the supply side outlet (102), and the first pressure acquisition hole (107) and the second pressure acquisition hole (108) are used for being connected with a pressure sensor.

10. The novel multi-functional four-way reversing valve of claim 1, 2, 3, or 4, it is characterized in that the upper part of the valve seat (1) is fixedly connected with an upper gland (3), the lower part of the valve seat (1) is fixedly connected with a lower gland (4), the upper end rotating shaft of the valve core (2) is rotatably connected through an upper bearing (5) fixed in the upper gland (3), the lower end rotating shaft of the valve core (2) is rotationally connected through a lower bearing (6) fixed in a lower gland (4), the lower part of the upper gland (3) is symmetrically provided with a left bulge (301) and a right bulge (302), a left annular groove (213) and a right annular groove (214) are symmetrically arranged at one end of the valve core (2) opposite to the upper gland (3), the left side bulge (301) corresponds to the left side annular groove (213), and the right side bulge (302) corresponds to the right side annular groove (214).

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