Multi-way valve for thermal management system of automobile air conditioner
By introducing a combination structure of sealing fasteners and sealing rings into the multi-way valve of the automotive air conditioning thermal management system, the problem of cumbersome sealing test operations is solved, achieving efficient sealing test and connection stability, and improving safety in use.
Patent Information
- Application Number
- CN202520001739.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-02
AI Technical Summary
The existing automotive air conditioning thermal management system uses multi-way valves, which are cumbersome to operate when checking the sealing of the connection points and require a sealing test, resulting in inconvenience in use.
A multi-way valve for automotive air conditioning thermal management system was designed. It adopts a combination structure of sealing fasteners and sealing rings to ensure the tightness of pipe joints and connecting pipes. It can also be quickly tested through a sealing test port, avoiding the need for traditional sealing tests.
It enables efficient sealing testing between pipe joints and connecting pipelines, simplifies the operation process, and improves the quality and safety of multi-way valves.
Smart Images

Figure CN223635401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile accessories, in particular to a multi-way valve for automobile air conditioning thermal management system. BACKGROUND
[0002] The automobile air conditioning thermal management system is an important system to ensure the comfort of passengers in the vehicle and the normal operation of various components of the vehicle. It is not only responsible for adjusting the temperature in the vehicle, but also involves the thermal management of the engine, battery (especially electric vehicles) and other key components. Through the multi-way valve, the flow of refrigerant or coolant between different components is adjusted to achieve multi-zone temperature control. The multi-way valve for automobile air conditioning thermal management system is a highly integrated assembly that combines mechanical, electronic and control technologies, and can achieve precise control of refrigerant or coolant.
[0003] The existing multi-way valve for automobile air conditioning thermal management system is connected to each pipeline through threaded connection, flange connection, and sleeve connection, and sealed with a sealing ring. However, to detect the sealing performance of the connection, a sealing performance test of the multi-way valve is usually required, which is relatively cumbersome to operate. SUMMARY
[0004] The utility model aims at providing a multi-way valve for automobile air conditioning thermal management system to solve the problem of cumbersome operation of sealing performance test of the multi-way valve for automobile air conditioning thermal management system on the market when detecting the sealing performance of the connection.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multi-way valve for automobile air conditioning thermal management system, comprising a multi-way valve body and a connecting pipeline, a plurality of pipe joints are integrally provided on the side surface of the multi-way valve body, a sealing fastener is provided outside the connection between the pipe joint and the connecting pipeline, a first sealing ring and a second sealing ring are clamped in the sealing fastener, and the first sealing ring and the second sealing ring are respectively fastened with the pipe joint and the connecting pipeline, a hollow protrusion is integrally provided outside the sealing fastener, a communication hole is further provided on the side surface of the sealing fastener and communicates with the hollow protrusion, a sealing performance detection port is integrally provided outside the hollow protrusion, and a plugging seat is clamped on the sealing performance detection port.
[0006] Preferably, a fastening protrusion is integrally provided at the end of the pipe joint, an external thread is integrally provided on the outer side of the pipe joint, and the fastening protrusion is respectively fastened and clamped with the sealing fastener and the connecting pipeline.
[0007] Preferably, the end of the pipe joint clamped with the sealing fastener is a variable diameter structure, and the end of the sealing fastener inserted with the connecting pipeline is an open structure.
[0008] Preferably, the inner side of the sealing fastener variable-diameter end is integrally provided with an internal thread, and the internal thread is used in cooperation with the external thread.
[0009] Preferably, the sealing fastener open end is clamped with two fastening end covers constituting a circular ring structure, and the fastening end covers are fastened and clamped with the connecting pipeline.
[0010] Preferably, the hollow protrusion is located between the first sealing ring and the connecting pipeline.
[0011] Compared with the prior art, the automobile air conditioner thermal management system multi-way valve has the beneficial effects that: the automobile air conditioner thermal management system multi-way valve fastens the sealing fastener on the connecting pipeline, and then connects the connecting pipeline and the sealing fastener together with the pipeline joint, and the sealing fastener, the pipeline joint and the connecting pipeline are respectively provided with sealing rings, so that the sealing property of the connection is effectively ensured, and the use safety of the multi-way valve is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the automobile air conditioner thermal management system multi-way valve of the utility model.
[0013] Figure 2 It is the automobile air conditioner thermal management system multi-way valve of the utility model. Figure 1 It is an enlarged structural schematic view of position A.
[0014] Figure 3 It is a relative sealing fastener position structural schematic view of the sealing property detection port of the automobile air conditioner thermal management system multi-way valve of the utility model.
[0015] In the figure: 1, multi-way valve main body; 2, pipeline joint; 201, fastening protrusion; 202, external thread; 3, sealing fastener; 301, sealing property detection port; 302, fastening end cover; 303, hollow protrusion; 304, communication hole; 305, internal thread; 4, first sealing ring; 5, second sealing ring; 6, plugging seat; 7, connecting pipeline. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] Please refer to Figures 1-3 The utility model provides a technical scheme: a kind of multi-way valve for automobile air conditioner thermal management system, including multi-way valve main body 1 and connecting pipeline 7, multi-way valve main body 1 side is integrally provided with multiple pipe joints 2, and the outside of the connecting place of pipe joint 2 and connecting pipeline 7 is equipped with sealing fastener 3, pipe joint 2 end is integrally provided with fastening protrusion 201, and pipe joint 2 outside is integrally provided with external thread 202, and fastening protrusion 201 and sealing fastener 3 and connecting pipeline 7 are respectively fastened and clamped, this structure when pipe joint 2 and connecting pipeline 7 are connected, make sealing fastener 3 and connecting pipeline 7 in turn clamp fastening protrusion 201, sealing fastener 3 is fixed by the thread fastening of pipe joint 2 again, connecting pipeline 7 is directly clamped and fixed, first sealing ring 4 and second sealing ring 5 are connected to sealing fastener 3 and connecting pipeline 7 for connection fastening treatment, also realize the sealing treatment between connecting pipeline 7 and pipe joint 2 by first sealing ring 4, first sealing ring 4 and second sealing ring 5 are clamped in sealing fastener 3, and first sealing ring 4 and second sealing ring 5 are fastened with pipe joint 2 and connecting pipeline 7 respectively, the end of sealing fastener 3 and pipe joint 2 clamping is variable diameter structure, and the end of sealing fastener 3 and connecting pipeline 7 insertion is open structure, this structure sealing fastener 3 passes through variable diameter structure, ensure that sealing fastener 3 is not easy to fall off, sealing fastener 3 is inserted and fixed with connecting pipeline 7 through open end, sealing fastener 3 open end is clamped with two fastening end covers 302 of annular structure, and fastening end cover 302 is fastened and clamped with connecting pipeline 7, this structure makes fastening end cover 302 can be relatively stable to sealing fastener 3 and connecting pipeline 7 Handle, so that sealing fastener 3 is not easy to fall off, and sealing fastener 3 can also be rotated, so that subsequent sealing fastener 3 and pipe joint 2 are fixed, fastening end cover 302 and sealing fastener 3 are fixed using fusion, sealing fastener 3 is integrally provided with a circle of hollow protrusion 303 outside, and sealing fastener 3 side is also provided with the communication hole 304 that communicates with hollow protrusion 303, hollow protrusion 303 is integrally provided with sealing detection port 301 outside, and sealing detection port 301 is clamped with block seat 6, the inside of the variable diameter end of sealing fastener 3 is integrally provided with internal thread 305, and internal thread 305 is used in conjunction with external thread 202, this structure makes pipe joint 2 and sealing fastener 3 be fastened by thread structure, hollow protrusion 303 is located between first sealing ring 4 and connecting pipeline 7, this structure can conveniently detect the sealing property of pipe joint 2 and connecting pipeline 7 by sealing detection port 301.
[0018] Working principle: when using the automobile air conditioning heat management system with multi-way valve, first, connect the pipeline 7 with the pipe joint 2 of the multi-way valve body 1, first, put the second sealing ring 5 on the end of the connecting pipeline 7, then put the sealing fastener 3 on the end of the connecting pipeline 7, make the second sealing ring 5 relative fastening effect on the sleeve connection of the connecting pipeline 7 and the sealing fastener 3, then make the fastening end cover 302 from both sides of the connecting pipeline 7 into the sealing fastener 3, prevent the sealing fastener 3 from falling off, then put the first sealing ring 4 into the sealing fastener 3, then make the sealing fastener 3 and the connecting pipeline 7 clamp the fastening protrusion 201 on the end of the pipe joint 2 in turn, at this time, the first sealing ring 4 is sleeved on the pipe joint 2, which plays a sealing role, then rotate the sealing fastener 3, make the sealing fastener 3 rotate relative to the connecting pipeline 7, the sealing fastener 3 is screwed relative to the pipe joint 2 through the cooperation of the internal thread 305 and the external thread 202, realize the fastening of the connection between the pipe joint 2 and the connecting pipeline 7, the hollow protrusion 303 is located at the joint of the first sealing ring 4 and the connecting pipeline 7, realize the communication between the sealing detection port 301 and the hollow protrusion 303 through the communication hole 304, after the connection of the multi-way valve body 1 is completed, the sealing detection of the connection is carried out at the sealing detection port 301, if the detection is unqualified, disassemble and test, if the detection is qualified, put the sealing seat 6 on the sealing detection port 301, thus a series of work is completed.
[0019] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A multi-way valve for use in a thermal management system of an automotive air conditioner, comprising a multi-way valve main body (1) and a connection line (7), characterized in that: The multi-way valve body (1) is integrally provided with a plurality of pipe joints (2) on the side, and the outer part of the connection part of the pipe joint (2) and the connecting pipeline (7) is provided with a sealing fastener (3), the sealing fastener (3) is clamped with a first sealing ring (4) and a second sealing ring (5) inside, and the first sealing ring (4) and the second sealing ring (5) are fastened with the pipe joint (2) and the connecting pipeline (7) respectively, the sealing fastener (3) is integrally provided with a hollow protrusion (303) on the outside, and the sealing fastener (3) is further provided with a communication hole (304) on the side, which is in communication with the hollow protrusion (303), the hollow protrusion (303) is integrally provided with a sealing detection port (301) on the outside, and the sealing detection port (301) is clamped with a blocking seat (6).
2. The multi-way valve for use in a thermal management system of an automotive air conditioner according to claim 1, characterized by: The pipe joint (2) is integrally provided with a fastening protrusion (201) at the end, and the outer side of the pipe joint (2) is integrally provided with an external thread (202), and the fastening protrusion (201) is fastened and clamped with the sealing fastener (3) and the connecting pipeline (7) respectively.
3. The multi-way valve for use in a thermal management system of an automotive air conditioner according to claim 2, characterized in that: The clamped end of the sealing fastener (3) and the pipe joint (2) is a variable diameter structure, and the inserted end of the sealing fastener (3) and the connecting pipeline (7) is an open structure.
4. The multi-way valve for use in a thermal management system of an automotive air conditioner according to claim 3, characterized by: The inner side of the variable diameter end of the sealing fastener (3) is integrally provided with an internal thread (305), and the internal thread (305) is used in cooperation with the external thread (202).
5. The multi-way valve for use in a thermal management system of an automotive air conditioner according to claim 1, characterized by: The sealing fastener (3) is clamped with two fastening end covers (302) which constitute a circular ring structure at the open end, and the fastening end cover (302) is fastened and clamped with the connecting pipeline (7).
6. The multi-way valve for use in a thermal management system of an automotive air conditioner according to claim 1, characterized by: The hollow protrusion (303) is located between the first sealing ring (4) and the connecting pipeline (7).