CN214534664U

CN214534664U - Valve device

Info

Publication number: CN214534664U
Application number: CN202022808101.5U
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: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-29
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a valve device, including valve body part, power head spare, throttle valve core part, temperature sensor, valve device includes the valve body part, the valve body part includes valve first import, valve first export, valve second import, valve second export, patch socket, include valve first runner between valve first import and the valve first export, include valve second runner between valve second import and the valve second export, valve device includes first valve port, first valve port is located the valve second runner; the valve device also comprises a throttle valve core component, and the throttle valve core component can adjust the opening degree of the first valve port; the temperature sensor comprises a connecting part and a temperature sensing part, wherein at least part of the connecting part is positioned in the plug jack, the connecting part is fixedly connected with the valve body part, and at least part of the temperature sensing part is positioned in the first flow passage of the valve, so that the pipeline connection can be relatively reduced.

Description

Valve device

Technical Field

The utility model relates to a fluid control technical field, concretely relates to valve gear.

Background

Taking an automobile air conditioner as an example, a thermostatic expansion valve and a temperature sensor are important parts of an automobile air conditioning system. A thermal Expansion Valve (TXV), which is a commonly used throttling component of an automotive air conditioner, can throttle and depressurize liquid refrigerant from a condenser and adjust the flow rate of refrigerant fed from the condenser to an evaporator according to the superheat degree of an evaporator outlet to meet the requirement of a constantly changing refrigeration load. The temperature sensor is connected with an evaporator and a thermostatic expansion valve of the air conditioning system through pipelines, the management and connection structure is complex, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide an integrated valve device capable of simplifying piping connection of a system when the valve device is applied to the system.

In one aspect, an embodiment of the present technical solution provides a valve device, including a valve body component, a power head component, a throttle valve core component, and a temperature sensor, where the valve device includes a valve body component, the valve body component includes a first valve inlet, a first valve outlet, a second valve inlet, a second valve outlet, and a plug jack, a first valve passage is included between the first valve inlet and the first valve outlet, a second valve passage is included between the second valve inlet and the second valve outlet, and the valve device includes a first valve port, where the first valve port is located in the second valve passage; the valve device also comprises a throttle valve core component, and the throttle valve core component can adjust the opening degree of the first valve port; the temperature sensor comprises a connecting part and a temperature sensing part, wherein at least part of the connecting part is positioned in the plug jack, the connecting part is fixedly connected with the valve body part, and at least part of the temperature sensing part is positioned in the first valve flow passage.

The valve device comprises a valve body part, a power head part, a throttling valve core part and a temperature sensor, wherein the temperature sensor is integrated to the valve body part, and pipeline connection is relatively reduced.

Drawings

FIG. 1 is a schematic perspective view of a first embodiment of a valve assembly;

FIG. 2 is a schematic top view of the valve assembly of FIG. 1;

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

fig. 4 is a schematic cross-sectional view along B-B of fig. 2.

Detailed Description

Referring to fig. 1-4, the valve assembly 1000 further includes a valve assembly including a valve body member 1400, a one-way valve core member 1500, a throttle valve core member 1600, and a temperature sensor 1900. Valve body member 1400 comprises valve body 1401, and valve body 1401 comprises valve first inlet 1001, valve second outlet 1002, second port 1441, and first port 1442. Here, it should be noted that the drawing is only one of the specific embodiments of the second port 1441 and the first port 1442, and the second port 1441 and the first port 1442 may not be formed in the valve body 1401. For example, the second port 1441 may be formed in a third member other than the valve body and throttle body 1600.

Referring to fig. 3 and 4, the valve body 1401 includes a first valve outlet 1007 and a second valve inlet 1008, a first valve flow passage is disposed between the first valve inlet 1001 and the first valve outlet 1007, a second valve flow passage is disposed between the second valve outlet 1002 and the second valve inlet 1008, the second valve port 1441 is disposed in the first valve flow passage, the first valve port 1442 is disposed in the second valve flow passage, the one-way valve element 1500 is disposed in the first valve flow passage, the one-way valve element 1500 includes a first valve element 1510, a support 1520 and a snap ring 1530, and the first valve element 1510 can operate in the first valve flow passage. The first spool 1510 is capable of opening or closing the second port 1441, and when the pressure at the valve first inlet 1001 is less than the pressure of the first flow passage, the first spool 1510 is in the first position, and the first spool 1510 closes the second port 1441; when the pressure of the valve first inlet 1001 is greater than the pressure of the first flow passage, the first valve core 1510 is located at the second position, the first valve core 1510 opens the second port 1441, and the valve first inlet 1001 communicates with the valve first outlet 1007 through the second port 1441. The first valve spool 1510 is closer to the valve first outlet 1007 in the second position than the first position. The first valve core 1510 includes a valve core head 1511 and a valve stem 1512, and in the embodiment shown in fig. 4, the first valve core 1510 is a separate structure, and it should be understood that the first valve core 1510 may also be an integral structure, that is, the valve core head 1511 and the valve stem 1512 are integrally formed. The support 1520 has a stem bore with a portion of the stem 1512 located therein, the stem 1512 being slidable within the stem bore.

Referring to fig. 4, the valve body 1401 further includes a plug hole 1009, the temperature sensor 1900 includes a temperature sensing portion 1910 and a connecting portion 1920, and the connecting portion 1920 is partially located in the plug hole 1009 and is fixedly connected to the valve body 1401, which may be welded, screwed, or adhered, or a combination of welded, screwed, or adhered manners. Here, it should be noted that the connecting portion 1920 may be partially or entirely located in the patch hole 1009. The temperature sensing portion 1910 is partially or fully located within the valve first flow path a to sense the temperature of the fluid entering the valve first flow path at the valve first inlet 1001.

In the embodiment shown in fig. 3, the throttle valve member 1600 includes a second valve core 1602, the second valve core 1602 is a steel ball, the valve device further includes a power head part 2100, and the power head part 2100 is welded and fixed to the valve body 1401. Power head assembly 2100 includes a cover member 2101, a diaphragm member 2102, and a drive block 2103. The cover member 2101 includes a pressure-sensitive chamber between the diaphragm members 2102, and the transmission block 2103 can abut against the diaphragm members 2102. The diaphragm member 2102 is capable of moving in the axial direction of the transmission block 2103 relative to the valve body 1401 by being displaced in the axial direction in accordance with a change in pressure in the pressure sensing chamber. The valve device further includes a transmission rod 2104, an upper end of the transmission rod 2104 is engaged with the transmission block 2103, and a lower end of the transmission rod 2104 is abutted against the throttle cartridge assembly 1600, so that the throttle cartridge assembly 1600 can approach or move away from the first valve port 1442 according to a pressure change in the pressure sensing cavity, thereby adjusting a fluid flow rate of the valve second flow passage of the valve device. Here, the shapes and the fitting relationship of the power head part, the transmission lever, and the second valve body are not limited to the configuration shown in fig. 3, as long as the object of the present invention can be achieved.

The valve body 1401 comprises a first step portion 1460, a small diameter portion 1450 and a closing-in portion, wherein the small diameter portion 1450 is located between the first step portion 1460 and the closing-in portion along the axial direction of the valve first flow channel 1410, the first step portion 1460 is closer to the valve first inlet 1001 than the closing-in portion, the inner diameter of the small diameter portion 1450 is smaller than that of the closing-in portion, the valve core head 1511 can move in the area surrounded by the closing-in portion, the closing-in portion comprises a second valve opening portion 1440, a second valve opening 1441 is formed in the second valve opening portion 1440, and the valve core head 1511 can close the second valve opening 1441; the lower wall 1522 of the supporting member abuts against the first step portion 1460 to limit the supporting member 1520 and prevent the supporting member 1520 from moving toward the first plate body portion 1200; the valve body 1401 further includes a recess 1470, the recess 1470 is closer to the first inlet 1001 than the first stepped portion 1460, at least a portion of the retainer ring 1530 is located in the recess 1470, an upper wall 1523 of the support abuts against a lower wall of the retainer ring 1530 to limit the position of the support 1520 and prevent the support 1520 from moving toward the first inlet 1001, and the retainer ring 1530 is a limiting portion of the valve device. Of course, the support 1520 and the snap ring 1530 have a passage through which the refrigerant passes.

The engagement of the first valve core 1510 of the one-way spool member 1500 with the second valve port 1441 allows fluid flow only in the first valve flow passage in the direction from the first valve inlet 1001 to the first valve outlet 1007. The valve arrangement includes a first position in which the first spool 1510 closes the second port 1441 and a second position in which the first spool 1510 opens the second port 1441, the first spool 1510 being closer to the valve first outlet 1007 in the second position than the first spool 1510 is in the first position. When the second port 1441 is opened, fluid is able to flow from the first inlet 1001 to the first outlet 1007. Throttle spool member 1600 is capable of moving away from or closer to first port 1442 to adjust the opening of first port 1442, thereby controlling the flow of fluid exiting valve second outlet 1002.

Structurally and positionally, the valve body 1401 is in the shape of an elongated block, the valve body 1401 comprises a first side 1403, a second side 1404 and a third side 1405, the first side 1403 is arranged opposite to the second side 1404, the third side 1405 connects the first side 1403 with the second side 1404, the first side 1403 comprises the valve first inlet 1001 and the valve second outlet 1002, the second side 1404 comprises the valve first outlet 1007 and the valve second inlet 1008, and the third side 1405 comprises the patch hole 1009. As shown in fig. 1, the temperature sensor 1900 is attached to the patch hole 1009, and the second flow path inlet 1003 and the first flow path outlet 1004 are located on the side opposite to the third side 1405.

Further, the third side portion 1405 includes a face portion 14051 and an annular projection 14052, the annular projection 14052 projects from the face portion 14051 in a direction away from the face portion 14051 and perpendicular to the face portion 14051, and the annular projection 14052 includes a patch hole 1009. The connecting portion 1920 of the temperature sensor 1900 may be screwed or welded with the annular protrusion 14052, or may be fixed by other fixing means such as adhesion.

Referring to fig. 4, along the axial direction of the first flow channel of the valve, the temperature sensing part 1910 is closer to the first inlet 1001 of the valve than the clamp ring 1530, and after the refrigerant enters the first inlet 1001 of the valve, the temperature sensing part senses the temperature of the refrigerant, so that a temperature signal of the refrigerant can be obtained. In another embodiment, the temperature sensing unit 1910 is closer to the first valve passage than the second valve opening 1440, and when the refrigerant enters the first valve passage 1410, the first valve 1510 opens the second valve opening 1441, and the temperature sensing unit 1910 acquires a temperature signal of the refrigerant. The temperature sensor 1900 is integrated in the valve device 1000, and improves the integration of the valve device 1000. When the valve device is applied to systems such as vehicle air conditioners and the like, the pipeline connection in the systems can be simplified, and the occupied space of the pipeline is saved.

In the present embodiment, the second valve passage includes a first sub-passage 1481 and a second sub-passage 1482, where the first sub-passage 1481 and the second sub-passage 1482 are formed in the valve body 1401, the second valve inlet 1008 is an inlet of the first sub-passage 1481, the first valve port 1008 is an outlet of the first sub-passage 1481, the first valve port 1008 is an inlet of the second sub-passage 1482, and the second valve outlet 1002 is an outlet of the second sub-passage 1482.

The valve device of the scheme comprises the throttling valve core component and the temperature sensor, and the temperature sensor connected with the throttling valve through the pipeline in the traditional refrigeration and heat pump system is integrated with the throttling valve in the aim, so that the pipeline connection is reduced, and the integration level of the valve is improved.

The valve arrangement described above may be used in connection with evaporators and intermediate heat exchangers in automotive air conditioning systems. Specifically, a first valve inlet 1001 is connected to the outlet of the evaporator and a second valve outlet is in communication with the inlet of the evaporation port. The valve first outlet 1007 is connected to one inlet of the intermediate heat exchanger and the valve second inlet 1008 is connected to one inlet of the intermediate heat exchanger. The refrigerant evaporated by the evaporator exchanges heat with the refrigerant before entering the evaporator, the temperature of the refrigerant to be throttled can be reduced by the refrigerant from the evaporator, and the supercooling degree of the refrigerant before evaporation can be improved by the aid of the energy of the refrigerant in the system.

And the refrigerant evaporated by the evaporator exchanges heat with the refrigerant before entering the evaporator, so that the temperature of the refrigerant to be throttled can be reduced by using the refrigerant from the evaporator, and the supercooling degree of the refrigerant before evaporation can be improved by using the energy of the refrigerant in the system.

It should be noted that: the above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solutions and modifications thereof without departing from the spirit and scope of the present invention can be modified or replaced by other technical solutions and modifications by those skilled in the art.

Claims

1. A valve device is characterized by comprising a valve body part, a power head part, a throttling valve core part and a temperature sensor, wherein the valve device comprises a valve body part, the valve body part comprises a valve first inlet, a valve first outlet, a valve second inlet, a valve second outlet and a plug jack, a valve first flow passage is arranged between the valve first inlet and the valve first outlet, a valve second flow passage is arranged between the valve second inlet and the valve second outlet, the valve device comprises a first valve port, and the first valve port is positioned in the valve second flow passage; the valve device also comprises a throttle valve core component, and the throttle valve core component can adjust the opening degree of the first valve port; the temperature sensor comprises a connecting part and a temperature sensing part, wherein at least part of the connecting part is positioned in the plug jack, the connecting part is fixedly connected with the valve body part, and at least part of the temperature sensing part is positioned in the first valve flow passage.

2. A valve arrangement according to claim 1 further comprising a one-way spool member, the valve arrangement including a second valve port located in the valve first flow passage, the one-way spool member being capable of opening or closing the second valve port.

3. The valve apparatus as claimed in any one of claims 1-2, wherein the valve body member comprises a valve body, the power head member is fixedly connected to the valve body, the power head member drives the throttling spool member to move away from or close to the first valve port, the valve body comprises a first side portion, a second side portion and a third side portion, the first side portion is opposite to the second side portion, the third side portion connects the first side portion to the second side portion, the first side portion comprises the first valve inlet and the second valve outlet, the second side portion comprises the first valve outlet and the second valve inlet, the third side portion comprises the connection hole, the temperature sensing portion extends from the connection hole into the first valve flow passage, a position-limiting portion is arranged in the first valve flow passage along an axial direction of the first valve flow passage, the temperature sensing portion is closer to the valve first inlet than the limiting portion or closer to the valve first outlet than the first valve port.

4. The valve arrangement of claim 2, wherein the valve second flow passage includes a first sub-passage and a second sub-passage, the valve second inlet being an inlet of the first sub-passage, the second valve port being an outlet of the first sub-passage, the second valve port being an inlet of the second sub-passage, the valve second outlet being an outlet of the second sub-passage; the valve body comprises a first side portion, a second side portion and a third side portion, the first side portion and the second side portion are arranged oppositely, the third side portion is connected with the first side portion and the second side portion, the first side portion comprises a first valve inlet and a second valve outlet, the second side portion comprises a first valve outlet and a second valve inlet, the third side portion comprises a face portion and an annular protruding portion, the annular protruding portion protrudes from the face portion in a direction far away from the face portion and perpendicular to the face portion, the annular protruding portion comprises the patch hole, the temperature sensing portion extends into the first valve flow channel from the patch hole, and the connecting portion is fixedly connected with the annular protruding portion.

5. The valve arrangement of claim 4, wherein the one-way spool component includes a first spool, the valve arrangement including a first position in which the first spool closes the second port and a second position in which the first spool opens the second port, the first spool in the second position being closer to a valve first outlet than the first spool in the first position.

6. The valve device according to claim 5, comprising a second valve port portion forming the second valve port, and a small diameter portion having an inner diameter smaller than that of the second valve port portion, the second valve port portion being closer to the valve first outlet than the small diameter portion; the valve device comprises a limiting part, at least part of the limiting part is positioned in the first valve flow passage, the one-way valve core component comprises a support piece, the support piece is provided with a valve rod hole, the first valve core comprises a valve rod, part of the valve rod is positioned in the valve rod hole, and one end part of the support piece is abutted to the limiting part.

7. The valve device according to claim 6, wherein the one-way spool member includes a snap ring, and the stopper portion is the snap ring; the valve body has a recess portion, and the second valve port portion is closer to the valve first outlet than the recess portion in the axial direction of the valve first flow passage; the clamping ring is positioned in the concave part, and the upper wall of the support is abutted with the lower wall of the clamping ring; the valve body includes a first step portion, the second valve port portion, and the small diameter portion, the small diameter portion is closer to the valve first outlet than the first step portion, and the lower wall of the support abuts against the first step portion.

8. The valve device according to claim 1, further comprising a one-way valve element, the valve device comprising a second valve port located in the first valve channel, the one-way valve element being capable of opening or closing the second valve port, the valve body comprising a valve body, the power head being fixedly connected to the valve body, the power head comprising a cover member, a diaphragm member, and a transmission block, the cover member and the diaphragm member comprising a pressure sensing chamber therebetween, the transmission block being capable of abutting against the diaphragm member, the diaphragm member being capable of axially displacing according to a change in pressure in the pressure sensing chamber, the valve device further comprising a transmission rod, an upper end of the transmission rod cooperating with the transmission block, a lower end of the transmission rod abutting against the throttle valve element to move the throttle valve element away from or close to the first valve port, the valve body comprises a first side part, a second side part and a third side part, the first side part and the second side part are oppositely arranged, the third side part connects the first side part and the second side part, the first side part comprises the valve first inlet and the valve second outlet, the second side part comprises the valve first outlet and the valve second inlet, the third side part comprises the patch jack, the temperature sensing part extends into the valve first flow passage from the patch jack, the valve second flow passage comprises a first sub-passage and a second sub-passage, the valve second inlet is an inlet of the first sub-passage, the second valve port is an outlet of the first sub-passage, the second valve port is an inlet of the second sub-passage, and the valve second outlet is an outlet of the second sub-passage; the third side portion comprises a face portion and an annular protruding portion, the annular protruding portion protrudes from the face portion in a direction far away from the face portion and perpendicular to the face portion, the annular protruding portion comprises the patch jack, the temperature sensing portion extends into the first flow passage of the valve from the patch jack, and the connecting portion is welded or in threaded connection with the annular protruding portion.