CN218118715U - Multi-way ball valve, integrated valve, thermal management system and automobile - Google Patents

Abstract

The utility model discloses a multi-way ball valve, an integrated valve, a heat management system and an automobile, wherein the multi-way ball valve comprises a valve body, a valve core, an end cover and a valve seat, and the valve body is provided with a valve cavity and a plurality of channels communicated with the valve cavity; the valve core is positioned in the valve cavity; the end cover is arranged in the channel and comprises a bearing part and a main body part which are connected, the bearing part is close to the valve core, the end cover is provided with a flow channel communicated with the valve cavity, the flow channel penetrates through the bearing part and the main body part, and the distance from the peripheral wall of the bearing part to the central axis of the bearing part is increased along the direction far away from the valve core; the valve seat is arranged in the supporting part. The supporting part for supporting the valve seat of the end cover is designed into a pointed shape, namely the distance from the peripheral wall of the supporting part to the central axis of the supporting part is increased along the direction far away from the valve core, so that the installation interference phenomenon between the end covers in two adjacent channels can be avoided, the supporting force of the end cover on the valve seat is ensured, the size of the valve core does not need to be changed, the structure is simple and compact, and the miniaturization of the multi-way ball valve is facilitated.

Description

Multi-way ball valve, integrated valve, thermal management system and automobile

Technical Field

The utility model relates to a fluid control technical field especially relates to a ball valve, integrated valve, thermal management system and car lead to more.

Background

The ball valve is a very important part in an automobile thermal management system, in particular to a multi-way reversing ball valve for cold and hot switching in an air conditioning system. The multi-way ball valve is characterized in that a plurality of flow passages, such as two, three or four flow passages, are formed in the valve body, the valve core in the valve body is a spherical part, end covers are installed in some of the flow passages, a valve seat is arranged between each end cover and the valve core, and the valve seat compresses and seals the valve core to prevent leakage. When the end covers are arranged in two adjacent channels, an installation interference phenomenon exists between the two end covers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lead to ball valve more aims at avoiding having the installation interference phenomenon between the end cover in two adjacent passageways.

The utility model discloses further provide an integrated valve of ball valve is led to above-mentioned having more.

The utility model discloses still further provide a thermal management system who has above-mentioned integrated valve.

The utility model discloses still further provide an automobile that has above-mentioned thermal management system.

The multi-way ball valve comprises a valve body, a valve core, an end cover and a valve seat, wherein the valve body is provided with a valve cavity and a plurality of channels communicated with the valve cavity; the valve core is rotatably arranged in the valve cavity; the end cover is arranged in the passage and comprises a supporting part and a main body part which are connected, the supporting part is closer to the valve core than the main body part, the end cover is provided with a flow passage communicated with the valve cavity, the flow passage penetrates through the supporting part and the main body part, and the distance from the peripheral wall of the supporting part to the central axis of the supporting part is increased along the direction far away from the valve core; the valve seat is arranged in the bearing part.

According to the utility model discloses the ball valve that leads to more has following beneficial effect at least: this application is through the periphery wall with the supporting portion that is used for bearing disk seat of end cover extremely the distance of the central axis of supporting portion is along keeping away from the direction increase of case, supporting portion is the tip form promptly, alright avoid the installation interference phenomenon between the end cover in two adjacent passageways, had both guaranteed the supporting power of end cover to the disk seat simultaneously, need not change the size of case again, and simple structure is compact, is favorable to realizing the miniaturization of leading to the ball valve more.

According to some embodiments of the invention, the peripheral wall has a conical surface, the cross-sectional area of the conical surface increasing gradually in a direction away from the valve element.

According to some embodiments of the invention, the conical surface is provided with two, wherein one of the tail end of the conical surface is connected with the other of the head end of the conical surface through a plane.

According to some embodiments of the invention, the included angle between the generatrix of the conical surface and the central axis is 15 ° to 75 °.

According to some embodiments of the utility model, the end cover is equipped with a plurality ofly, and is a plurality of the end cover along the circumference setting of case.

According to some embodiments of the invention, the body portion is in threaded connection with the valve body.

According to some embodiments of the present invention, the peripheral wall of the main body portion has a mounting groove, and the seal ring is mounted to the mounting groove.

According to the utility model discloses an integrated valve of second aspect embodiment, including the valve island with the utility model discloses the many-way ball valve of above-mentioned first aspect embodiment, many-way ball valve install in the valve island.

According to the utility model discloses pile-up valve has following beneficial effect at least: through adopting foretell many pass ball valve, be favorable to realizing the miniaturization of pile-up valve.

According to the utility model discloses a thermal management system of third aspect embodiment, include the integrated valve of the above-mentioned second aspect embodiment of the utility model.

According to the utility model discloses heat management system has following beneficial effect at least: by adopting the integrated valve, the size of the thermal management system is reduced.

According to the utility model discloses a car of fourth aspect embodiment, include the thermal management system of the above-mentioned third aspect embodiment of the utility model.

According to the utility model discloses car has following beneficial effect at least: by adopting the thermal management system, the internal structure of the automobile is compact.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

FIG. 1 is a perspective view of a prior art multi-way ball valve;

FIG. 2 is a schematic cross-sectional view of the multi-way ball valve shown in FIG. 1;

FIG. 3 is a perspective view of the first endcap of FIG. 2;

fig. 4 is a schematic cross-sectional view of a multi-way ball valve according to an embodiment of the present invention;

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a perspective view of the second endcap of FIG. 4;

fig. 7 is a schematic perspective view of a multi-way ball valve with an actuator according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an integrated valve according to an embodiment of the present invention.

Reference numerals: a multi-way ball valve 10; a valve body 100; a first channel 110; a second channel 120; a third channel 130; a fourth channel 140; a valve cartridge 200; a sixth channel 210; a seventh channel 220; a driving member 300; a valve stem 310; a first end cap 400; a valve cover 500; a second end cap 600; an annular step portion 610; a flow passage 620; a bearing portion 630; a conical surface 631; a plane 632; a main body portion 640; the mounting groove 641; a first valve seat 700; a second valve seat 800; a valve island 20.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the positional or positional relationship indicated with respect to the positional description, such as the front, rear, upper, lower, left or right, is based on the positional or positional relationship shown in the drawings, and is merely for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features.

In the description of the present invention, unless otherwise explicitly defined, the terms such as setting, installing, connecting, etc. should be understood broadly, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; the terms can be directly connected or indirectly connected through an intermediate medium, and for those skilled in the art, the specific meanings of the terms in the present invention can be reasonably determined by combining the specific contents of the technical scheme; the central axis of an object is the longitudinal axis of the object.

At present, one indispensable part of the cold and hot dual-purpose air conditioner is a four-way reversing valve, and the flow direction of a refrigerant can be changed by changing the valve position of a valve core of the four-way reversing valve, so that the functions of a condenser and an evaporator in the air conditioner are converted to realize the refrigeration and heating switching of the air conditioner. The common structural type of the four-way reversing valve is a ball valve, and the ball valve is characterized in that a valve core is spherical.

The following describes a multi-way ball valve 10 in the prior art with reference to fig. 1 to 3, including a square block-shaped valve body 100, a spherical valve core 200, three first end caps 400 and three first valve seats 700, a spherical valve cavity is defined in the valve body 100, at least four channels are opened in the valve cavity, wherein the first end caps 400 are installed in the adjacent three channels, the first valve seats 700 are arranged between the first end caps 400 and the valve core 200, and the first valve seats 700 are used for compressing and sealing the valve core 200 to prevent leakage. When the first end cap 400 is installed in both the rear channel and the right channel, because the outer peripheral wall of the region of the first end cap 400 for supporting the first valve seat 700 is a cylindrical surface, that is, the first end cap 400 is a flat end cap, an installation interference phenomenon exists between the two first end caps 400, specifically, as shown in fig. 1-2, when the first end cap 400 in the rear channel is installed in place, the first end cap 400 blocks the first end cap 400 in the right channel from continuing to approach the valve element 200, so that a certain gap exists between the first valve seat 700 in the right channel and the valve element 200, and the first valve seat 700 cannot press the valve element 200, that is, the first end cap 400 in the right channel cannot be installed in place, which is called installation interference. In order to avoid the installation interference phenomenon, the size of the ball valve element 200 is generally increased or the wall thickness of the first end cap 400 is generally decreased, but when the wall thickness is decreased, the supporting force of the first end cap 400 on the first valve seat 700 is insufficient, so that the first valve seat 700 is deformed and fails; when the size of the ball valve core 200 is increased, the volume, cost and weight of the multi-way ball valve 10 are increased, which is not favorable for the miniaturization development of the multi-way ball valve 10.

In order to avoid appearing above-mentioned installation interference phenomenon and doing benefit to the miniaturization that realizes leading to ball valve 10 more, the utility model provides a lead to ball valve 10 more.

Referring now to fig. 4-7, a multi-way ball valve 10 according to an embodiment of the present invention is described, the multi-way ball valve 10 includes a block-shaped valve body 100, a ball-shaped valve core 200, a driving member 300, three second end caps 600, three first valve seats 700, a second valve seat 800, a third valve seat (not shown), and a valve cover 500.

A spherical valve cavity is defined in the valve body 100, five channels which are arranged at intervals and are communicated with the valve cavity are arranged on the valve body 100, namely a first channel 110, a second channel 120, a third channel 130, a fourth channel 140 and a fifth channel (not shown in the figure), the minimum inner diameters of the first channel 110, the second channel 120 and the third channel 130 are more than or equal to the outer diameter of the valve core 200, the minimum inner diameters of the fourth channel 140 and the fifth channel are less than the outer diameter of the valve core 200, and the valve core 200 is arranged in the valve cavity from the first channel 110, the second channel 120 or the third channel 130.

The valve core 200 is rotatably installed in the valve chamber, and the valve core 200 is opened with two separate passages, which are a sixth passage 210 and a seventh passage 220. The multi-way ball valve 10 has at least a first position and a second position, in the first position, as shown in fig. 4, the sixth channel 210 communicates the third channel 130 with the fourth channel 140, the seventh channel 220 communicates the first channel 110 with the second channel 120, in the second position (not shown), the sixth channel 210 communicates the first channel 110 with the fourth channel 140, and the seventh channel 220 communicates the third channel 130 with the second channel 120.

The first channel 110, the second channel 120 and the third channel 130 are internally provided with a hollow second end cap 600, the second end cap 600 can prevent the valve core 200 from falling out of the first channel 110, the second channel 120 or the third channel 130 with larger opening area, the middle position of the second end cap 600 is provided with a flow passage 620, one end of the flow passage 620 is communicated with the valve cavity, the other end of the flow passage 620 is communicated with the outside of the valve body 100, each flow passage 620 comprises an outer opening formed on the outer end wall of the second end cap 600 and an inner opening formed on the inner end wall of the second end cap 600, and the outer end refers to the end part, far away from the valve core 200, of the second end cap 600; the opening area of the flow passage 620 is substantially the same as the opening areas of the sixth passage 210 and the seventh passage 220, reducing pressure loss. A hollow valve cover 500 is installed in the fifth passage, and the valve cover 500 has an escape passage (not shown).

In order to prevent leakage, a first valve seat 700 is provided between the valve body 200 and the second end cap 600, a second valve seat 800 is provided between the valve body 100 and the valve body 200, and a third valve seat is provided between the valve body 200 and the valve cap 500. The second valve seat 800 is installed at an inner opening of the fourth channel 140, the third valve seat is installed at an inner opening of the escape channel of the valve cover 500, the first valve seat 700 is installed at an inner opening of the flow channel 620 of the corresponding second end cap 600, the second end cap 600 supports the first valve seat 700, and thus, the second end cap 600 includes a supporting portion 630 and a main body portion 640 which are connected, the supporting portion 630 is used for supporting the first valve seat 700, and the supporting portion 630 is located inside the main body portion 640 and close to the valve element 200.

The driving member 300 acts on the valve plug 200 to drive the valve plug 200 to rotate, in this embodiment, one end of the valve rod 310 of the driving member 300 passes through the escape passage of the valve cover 500 and then is inserted into an installation groove (not shown) of the valve plug 200, and is fixedly connected to the valve plug 200, so that the driving member 300 can drive the valve plug 200 to switch between a first valve position and a second valve position, thereby changing the flow direction of the refrigerant, i.e., realizing the switching between the cooling mode and the heating mode. Further, the driving member 300 includes a motor (not shown) to control the multi-way ball valve 10 electrically. Further, the motor is connected to the valve stem 310 through a reduction gear (not shown) to increase torque.

In order to avoid the above-mentioned installation interference phenomenon between the second end cap 600 in the first channel 110 and the second end cap 600 in the second channel 120, the present application increases the distance from the outer peripheral wall of the support portion 630 of the second end cap 600 to the central axis of the support portion 630 along the direction away from the valve core 200, i.e. the support portion 630 is pointed, i.e. the installation interference phenomenon between the second end caps 600 in two adjacent channels can be avoided, specifically, the support portions 630 of the second end caps 600 in the first channel 110 and the third channel 130 are pointed, so they do not obstruct the installation of the second end caps 600 in the second channel 120, and the second end caps 600 in the second channel 120 can advance all the way toward the valve core 200 until the first valve seats 700 in the second end caps 600 in the second channel 120 tightly abut against the valve core 200 and the second end caps 600 in the second channel 120 are prevented from further advancing. Therefore, under the condition that the outer diameter of the valve core 200 does not need to be increased and the average wall thickness value of the supporting part 630 of the second end cover 600 does not need to be reduced (namely, the supporting force of the second end cover 600 to the first valve seat 700 is ensured), the installation interference phenomenon is avoided, the structure is simple and compact, and the multi-way ball valve 10 is beneficial to realizing miniaturization. In addition, the pointed shape of the retainer 630 serves as a guide for facilitating the quick installation of the second end cap 600 into the valve body 100.

It should be noted that the multi-way ball valve 10 can also be a two-way ball valve, a three-way ball valve, or a five-way ball valve, etc.; the number of the second end caps 600 in the multi-way ball valve 10 may be only one, two, four, etc., and is not limited in particular.

In some embodiments of the present invention, referring to fig. 4 and 5, the peripheral wall of the supporting portion 630 has a conical surface 631, and the cross-sectional area of the conical surface 631 gradually increases along a direction away from the valve element 200, so that the processing is convenient and the cost is low. The outer peripheral wall of the receiving portion 630 may be designed to have another area increasing structure, such as a spherical surface structure or an ellipsoidal surface structure.

In some embodiments of the present invention, referring to fig. 5 and 6, the mounting groove 641 is opened on the peripheral wall of the main body 640, and a sealing ring (not shown) is mounted on the mounting groove 641 to seal the gap between the second end cap 600 and the valve body 100, so as to improve the sealing performance of the multi-way ball valve 10.

In some embodiments of the present invention, referring to fig. 5 and 6, the two conical surfaces 631 are provided, and the two conical surfaces 631 are connected through a plane 632, specifically, the tail end of the conical surface 631 located inside is connected through a plane 632 with the head end of the conical surface 631 located outside, which not only increases the average wall thickness of the supporting portion 630, but also ensures the integrity of the two side walls of the mounting groove 641, thereby ensuring the mounting stability of the sealing ring.

In some embodiments of the present invention, referring to fig. 4 and 5, the generatrix of the conical surface 631 is at an angle of 15 ° to 75 ° with respect to the central axis of the support 630. In this embodiment, the taper angle of the inner conical surface 631 is 41 °, and the taper angle of the outer conical surface 631 is 45 °, so that the bearing strength and the structural strength of the second end cap 600 are balanced, that is, the performance of the second end cap 600 is excellent. It is understood that the taper angles of the conical surfaces 631 may also be 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, and the relationship between the taper angles of two conical surfaces 631 may be greater than, less than, or equal to.

In some embodiments of the present invention, referring to fig. 4, the main body 640 and the bonnet 500 of the second end cap 600 have external threads (not marked in the figure), the valve body 100 is provided with internal threads (not marked in the figure) matched with the external threads in the first channel 110, the second channel 120, the third channel 130 and the fifth channel, so as to realize the threaded connection of the second end cap 600 on the valve body 100 and the threaded connection of the bonnet 500 on the valve body 100, without using tools, the installation of the second end cap 600 and the bonnet 500 can be completed, and the assembly efficiency is improved. It should be noted that the second end cap 600 or the valve cap 500 may be connected to the valve body 100 by snapping, welding, riveting, or interference fit.

In some embodiments of the present invention, referring to fig. 4, the first channel 110, the second channel 120, and the third channel 130 are adjacently arranged along the circumference of the valve core 200, and the second end cap 600 is disposed in the first channel 110, the second channel 120, and the third channel 130, so that the valve core 200 can be loaded into the valve body 100 from a plurality of angles, which is beneficial to improving the assembly efficiency of the valve core 200, and also reduces the requirement of the installation position of the valve body 100, and in addition, with such a configuration, the driving member 300 can be installed at the top of the valve body 100, and does not occupy the installation area of the valve island 20, which is beneficial to realizing the miniaturization of the integrated valve.

In some embodiments of the present invention, referring to fig. 5 and 6, the inner circumferential wall of the main body 640 has an annular step portion 610, and the annular step portion 610 limits the first valve seat 700 and ensures that the valve seat 700 can be pressed against the valve plug 200. It should be noted that the annular step 610 may be replaced by a plurality of projections or a plurality of ribs extending along the circumferential direction of the flow passage 620.

In some embodiments of the present invention, the material of the first valve seat 700 is PTFE (Polytetrafluoroethylene), which has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electrical insulation property and good anti-aging endurance, can work at +250 ℃ to-180 ℃ for a long time, can resist all other chemicals except molten metal sodium and liquid fluorine, and does not change even when boiled in aqua regia.

An integrated valve provided according to an embodiment of the second aspect of the present invention is described below with reference to fig. 8, where the integrated valve includes a valve island 20 and the multi-way ball valve 10 according to any embodiment of the first aspect of the present invention, and the multi-way ball valve 10 is installed in the valve island 20. According to the utility model discloses the pile-up valve through adopting foretell many-way ball valve 10, helps realizing the pile-up valve miniaturization.

The valve island 20 is also called a valve block, a valve plate or an integrated block, a plurality of interfaces and a plurality of ducts are arranged on the valve island 20, the two interfaces can be communicated through the ducts in the valve island 20, and integrated installation of a plurality of valves is facilitated, on the premise that basic functions of a heat management system, a hydraulic system or a pneumatic control system and the like of an automobile are met, the valve island 20 achieves integrated arrangement, modular hoisting and compact structure of the valves, the integrated valve changes cobweb type pipeline distribution caused by split type valve arrangement of the heat management system of the automobile in the prior art, the layout is attractive, leakage points at pipeline joints are reduced, and maintenance is facilitated.

The utility model discloses the multi-pass ball valve 10 of the arbitrary embodiment of above-mentioned first aspect is the butt joint with valve island 20 connected mode, and the butt joint generally indicates that valve body 100 is connected or is welded through screw (not shown in the figure) with valve island 20, and the installation terminal surface of valve body 100 and the installation terminal surface of valve island 20 laminate the setting mutually.

In some embodiments of the present invention, referring to fig. 8, the multi-way ball valve 10 is fixedly installed at one side of the valve island 20, so that the overall height of the integrated valve can be reduced.

In some embodiments of the present invention, a sealing ring (not shown) is further included between the multi-way ball valve 10 and the valve island 20 to improve the connection sealing performance of the integrated valve.

A thermal management system (not shown) provided according to an embodiment of the third aspect of the present invention is described below, including the integrated valve of any of the embodiments of the second aspect of the present invention. According to the utility model discloses thermal management system through adopting foretell integrated valve, helps realizing the miniaturized design of thermal management system.

An automobile (not shown) provided according to an embodiment of the fourth aspect of the present invention is described below, including the thermal management system according to the embodiment of the third aspect of the present invention. According to the utility model discloses car through adopting foretell thermal management system, helps realizing the miniaturized design of car.

The utility model discloses an in some embodiments, the car is new forms of energy electric automobile, and the car type is dolly or bus.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (10)

1. A multiway ball valve, comprising:

the valve body is provided with a valve cavity and a plurality of passages communicated with the valve cavity;

the valve core is rotatably arranged in the valve cavity;

the end cover is arranged in the passage and comprises a supporting part and a main body part which are connected, the supporting part is closer to the valve core than the main body part, the end cover is provided with a flow passage communicated with the valve cavity, the flow passage penetrates through the supporting part and the main body part, and the distance from the peripheral wall of the supporting part to the central axis of the supporting part is increased along the direction far away from the valve core;

the valve seat is arranged in the bearing part.

2. The multiport ball valve of claim 1, wherein the peripheral wall has a conical surface with a cross-sectional area that increases in a direction away from the poppet.

3. The multiport ball valve of claim 2, wherein there are two of said conical surfaces, and wherein the trailing end of one of said conical surfaces is connected to the leading end of the other of said conical surfaces by a flat surface.

4. A multiway ball valve as in claim 2, wherein the generatrix of the conical surface forms an angle of 15 ° to 75 ° with the central axis.

5. The multi-way ball valve of claim 1, wherein the end cap is provided in plurality, the plurality of end caps being disposed along a circumference of the spool.

6. The multiport ball valve of claim 1, wherein the body portion is threadably connected to the valve body.

7. A multi-way ball valve according to any one of claims 1 to 6, wherein the peripheral wall of the body portion has a mounting groove to which a sealing ring is mounted.

8. An integrated valve comprising a valve island and the multi-way ball valve of any one of claims 1 to 7, the multi-way ball valve being mounted to the valve island.

9. A thermal management system comprising the integrated valve of claim 8.

10. An automobile comprising the thermal management system of claim 9.

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