Nine-way valve for heat management system of new energy automobile

Abstract

The utility model belongs to the technical field of multi-way fluid valves, and particularly relates to a nine-way valve for a heat management system of a new energy automobile, which comprises a main body, an actuator and a valve core rotatably mounted in the main body, a plurality of groups of pipe orifices are annularly distributed on the main body, and the output end of the actuator is in driving connection with the valve core. A shell of the actuator is detachably connected with the main body through a fastener, the valve element is sequentially provided with an upper-layer flow channel and a lower-layer flow channel, openings of the two layers of flow channels are located on the same end face, a plurality of sets of outlets are formed in the bottom wall of the valve element, the upper cover is fixedly connected with the valve element and seals the upper-layer flow channel, and a through hole is formed in the inner sealing piece. The nine-way valve has the advantages that the structure of a flow channel in the valve element is improved, end face sealing is matched, and the reliability of the nine-way valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-way fluid valves, and in particular to a nine-way valve used in a thermal management system of a new energy vehicle. Background Art

[0002] The core component of the thermal management system for new energy vehicles is the nine-way valve. This valve, through a combination of multiple valve ports and flow channels, enables multiple operating modes to meet diverse thermal management requirements. However, existing nine-way valves utilize traditional curved seals, which are prone to internal leakage caused by high valve torque, impacting system efficiency and reliability. Utility Model Content

[0003] The utility model aims to solve the above-mentioned problems and specifically designs a nine-way valve for the thermal management system of new energy vehicles. The structure of the flow channel in the valve core is improved, and the end face seal is used to improve the reliability of the nine-way valve.

[0004] To achieve the above-mentioned objectives, the utility model provides a nine-way valve for a thermal management system of a new energy vehicle, comprising a main body, an actuator and a valve core rotatably installed in the main body, the main body having multiple groups of pipe orifices distributed in a ring shape, the output end of the actuator drivingly connects to the valve core, and the outer shell of the actuator is detachably connected to the main body through fasteners; the valve core is sequentially provided with an upper flow channel and a lower flow channel, and the mouths of the two layers of flow channels are located on the same end face, and the bottom wall of the valve core is provided with multiple groups of outlets; it also includes an upper cover and an inner seal with a through hole, the upper cover is fixedly connected to the valve core and closes the upper flow channel, the inner seal is a flat sealing gasket, which is crimped between the main body and the valve core, and the through hole is adapted to the pipe orifice.

[0005] Furthermore, the main body is detachably connected to a flange via a fastener, and the flange is arranged between the actuator and the main body.

[0006] Preferably, an O-ring is installed between the main body and the flange.

[0007] Furthermore, the flange is provided with a limiting groove, a PTFE gasket is clamped in the limiting groove, and the other end surface of the PTFE gasket is pressed against the upper cover.

[0008] Furthermore, an outer sealing member is installed at the bottom of the main body.

[0009] Furthermore, there are 9 groups of pipe openings, including the first pipe opening, the second pipe opening, the third pipe opening, the fourth pipe opening, the fifth pipe opening, the sixth pipe opening, the seventh pipe opening, the eighth pipe opening and the ninth pipe opening. The first pipe opening, the second pipe opening, the third pipe opening, the fourth pipe opening, the fifth pipe opening, the sixth pipe opening and the eighth pipe opening are all double-position pipe openings, and the seventh pipe opening and the ninth pipe opening are single-position pipe openings.

[0010] Furthermore, there are 8 groups of outlets, and the outlets are connected to the through holes and the pipe openings in sequence.

[0011] Furthermore, the valve core is equipped with a shaft sealing ring.

[0012] Preferably, the shaft sealing ring is an X-shaped sealing ring.

[0013] In summary, the present invention has the following advantages and beneficial technical effects:

[0014] 1. The utility model adopts the form of end face dynamic sealing. Compared with traditional curved surface sealing, its geometric shape is simpler, so it is easier to perform precise processing, and the tools and processes required for processing are also simpler, reducing manufacturing costs; secondly, under dynamic working conditions, the end face seal can provide a more uniform and stable sealing surface, better sealing performance, and less internal leakage under the same system pressure conditions; in addition, due to the improvement of the sealing structure, the torque required for the valve body during operation is reduced, thereby reducing the output torque requirement of the actuator, reducing production costs and the working noise of the motor, and improving the NVH of the product.

[0015] 2. The setting of the central shaft sealing ring of the utility model is used to prevent fluid leakage at the valve core shaft and ensure the normal operation of the valve; the outer sealing gasket further ensures the sealing of the valve and prevents fluid leakage; the setting of the flange connects the main body and the actuator to improve the overall stability and sealing performance. The flange design makes installation and disassembly more convenient.

[0016] 3. The setting of the PTFE gasket in the utility model transfers the flange pressure to the valve core, plays a role in wear resistance and lubrication, reduces the torque of the valve body, significantly reduces the friction resistance, effectively extends the service life of components, and improves the reliability and durability of the system; the O-ring generates pressure through its elastic deformation, clings to the assembly gap between the main body and the flange, forming a sealing layer, thereby preventing fluid leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0019] Figure 2 It is an explosion diagram of the utility model;

[0020] Figure 3 It is a top view schematic diagram of the main body of the utility model;

[0021] Figure 4 It is a three-dimensional schematic diagram of the main body of the utility model;

[0022] Figure 5 It is a three-dimensional schematic diagram of the valve core in the utility model;

[0023] Figure 6 This is an exploded schematic diagram of the valve core in the utility model;

[0024] Figure 7 It is a cross-sectional schematic diagram of the present utility model.

[0025] The reference numerals in the accompanying drawings are:

[0026] 1. Main body; 11. First pipe opening; 12. Second pipe opening; 13. Third pipe opening; 14. Fourth pipe opening; 15. Fifth pipe opening; 16. Sixth pipe opening; 17. Seventh pipe opening; 18. Eighth pipe opening; 19. Ninth pipe opening; 2. Actuator; 3. Valve core; 31. Upper flow channel; 32. Lower flow channel; 33. Outlet; 34. Upper cover; 4. Inner seal; 41. Through hole; 5. Shaft seal ring; 6. Flange; 61. O-ring; 62. PTFE gasket; 7. Outer seal; 8. Fasteners. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-Figure 7 The utility model is described in further detail:

[0028] like Figure 1-Figure 2As shown, this embodiment discloses a nine-way valve for a thermal management system of a new energy vehicle, comprising a main body 1, an actuator 2 and a valve core 3 installed in the cavity of the main body 1, the valve core 3 is rotatably connected to the main body 1, and a plurality of pipe openings are provided in a ring-shaped bottom of the main body 1. The output end of the actuator 2 drives the shaft connected to the valve core 3, and the housing of the actuator 2 is detachably pressed on the top of the main body 1 by a fastener 8, and the fastener 8 is a bolt. The valve core 3 includes an upper flow channel 31 and a lower flow channel 32 opened in sequence, the upper flow channel 31 is an O-shaped double arc channel, and the lower flow channel 32 is an X-shaped double arc channel. The arc-shaped channels are symmetrical with each other, and the bottom wall of the valve core 3 is provided with multiple groups of outlets 33, including an outlet 33 that passes through the upper flow channel 31 and an outlet 33 that communicates with the lower flow channel 32, and the outlet 33 is connected to the pipe mouth, and the mouths of the two layers of flow channels converge at the same end face of the valve core 3. The nine-way valve also includes an upper cover 34 and an inner seal 4. The upper cover 34 is fixedly connected to the valve core 3 and closes the upper flow channel 31. The inner seal 4 is a flat sealing gasket, which is crimped between the main body 1 and the valve core 3. It has multiple groups of through holes 41 running through it, and the through holes 41 are adapted to the pipe mouth.

[0029] like Figure 2 As shown, a flange 6 is detachably mounted on the main body 1 via a fastener 8, and the flange 6 is arranged between the actuator 2 and the main body 1; an O-ring 61 is installed in the assembly gap between the main body 1 and the flange 6; a limiting groove is provided at the bottom of the flange 6, and a matching PTFE gasket 62 is clamped in the limiting groove, and the other end face of the PTFE gasket 62 is press-fitted to the upper cover 34; a matching outer seal 7 is also installed at the bottom of the main body 1, and the outer seal 7 is the same model as the inner seal 4.

[0030] like Figure 3-Figure 4 As shown, there are nine groups of nozzles, including a first nozzle 11, a second nozzle 12, a third nozzle 13, a fourth nozzle 14, a fifth nozzle 15, a sixth nozzle 16, a seventh nozzle 17, an eighth nozzle 18 and a ninth nozzle 19. Among them, the first nozzle 11, the second nozzle 12, the third nozzle 13, the fourth nozzle 14, the fifth nozzle 15, the sixth nozzle 16 and the eighth nozzle 18 are all double-position nozzles, and the seventh nozzle 17 and the ninth nozzle 19 are single-position nozzles. The range formed by the two is uniformly circumferentially arranged with other double-position nozzles along the center line of the main body 1, and the size of the range is the same as the size of the double-position nozzles.

[0031] like Figure 5-Figure 7 As shown, the outlets 33 are arranged in a circumferential array on the bottom wall of the valve core 3 , with eight groups, and the outlets 33 are connected to the through hole 41 and the pipe orifice in sequence.

[0032] like Figure 7 As shown, a shaft sealing ring 5 is installed on the circumferential side of the rotating shaft of the valve core 3; the shaft sealing ring 5 is an X-shaped sealing ring.

[0033] The working principle of the nine-way valve used in the thermal management system of new energy vehicles in this utility model is as follows:

[0034] The nine-way valve drives the valve core 3 to rotate through the actuator 2, and the upper flow channel 31 and the lower flow channel 32 synchronously switch the direction of the fluid circuit. The utility model can realize multiple working modes, as follows:

[0035]

[0036] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A nine-way valve for a thermal management system of a new energy vehicle, characterized by: The valve comprises a main body, an actuator, and a valve core rotatably mounted within the main body. The main body is provided with a plurality of pipe openings distributed in an annular pattern. The output end of the actuator is drivenly connected to the valve core, and the housing of the actuator is detachably connected to the main body via fasteners. The valve core is provided with an upper flow channel and a lower flow channel in sequence, and the openings of the two flow channels are located on the same end surface. The bottom wall of the valve core is provided with a plurality of outlets. It also includes an upper cover and an inner seal with a through hole. The upper cover is fixedly connected to the valve core and closes the upper flow channel. The inner seal is a flat sealing gasket that is crimped between the main body and the valve core. The through hole is adapted to the pipe mouth.

2. A nine-way valve for a thermal management system of a new energy vehicle according to claim 1, characterized in that: The main body is detachably connected to a flange via a fastener, and the flange is arranged between the actuator and the main body.

3. The nine-way valve for a thermal management system of a new energy vehicle according to claim 2, characterized in that: An O-type sealing ring is installed between the main body and the flange.

4. The nine-way valve for a thermal management system of a new energy vehicle according to claim 3, characterized in that: The flange is provided with a limiting groove, a PTFE gasket is clamped in the limiting groove, and the other end surface of the PTFE gasket is pressed against the upper cover.

5. The nine-way valve for a thermal management system of a new energy vehicle according to claim 4, characterized in that: An outer sealing member is also installed at the bottom of the main body.

6. The nine-way valve for a thermal management system of a new energy vehicle according to claim 5, characterized in that: There are 9 groups of pipe openings, including the first pipe opening, the second pipe opening, the third pipe opening, the fourth pipe opening, the fifth pipe opening, the sixth pipe opening, the seventh pipe opening, the eighth pipe opening and the ninth pipe opening. The first pipe opening, the second pipe opening, the third pipe opening, the fourth pipe opening, the fifth pipe opening, the sixth pipe opening and the eighth pipe opening are all double-position pipe openings, and the seventh pipe opening and the ninth pipe opening are single-position pipe openings.

7. The nine-way valve for a thermal management system of a new energy vehicle according to claim 6, characterized in that: There are 8 groups of outlets, and the outlets are connected to the through holes and the pipe openings in sequence.

8. The nine-way valve for a thermal management system of a new energy vehicle according to claim 7, characterized in that: The valve core is additionally equipped with a shaft sealing ring.

9. The nine-way valve for a thermal management system of a new energy vehicle according to claim 8, characterized in that: The shaft sealing ring is an X-shaped sealing ring.

Images