Valve core structure of multi-interface water valve
By designing a combined structure of valve body, valve core, and fixed shaft, the problems of valve core wear and inconvenient operation in multi-port water valves were solved, and the stability and flexibility were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-19
- Publication Date
- 2026-04-03
AI Technical Summary
The valve core of a multi-port water valve wears down the sealing structure during long-term operation, resulting in decreased rotational stability and inconvenience when operating different ports.
A structure including a valve body, a valve core, and a fixed shaft was designed. By setting a turntable and a sealing sleeve, the fixed shaft drives the valve core to rotate. Combined with the design of vertical and horizontal flow channels, flexible connection of different interfaces can be achieved.
It improves the rotational stability of the valve core within the valve housing, simplifies the operation process for different interfaces, and ensures the durability and flexibility of the valve core structure.
Smart Images

Figure CN224079613U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of multi-port water valves, and in particular relates to a valve core structure for a multi-port water valve. Background Technology
[0002] A multi-port water valve is a valve device equipped with multiple inlets and outlets, specifically designed for systems requiring water flow diversion or merging. This innovative valve structure endows it with excellent water flow control capabilities, allowing for flexible adjustment of water flow direction and distribution according to different application scenarios, thereby meeting diverse water demand. New energy vehicle batteries are temperature-sensitive and require precise temperature control; motors and electronic control systems generate a large amount of heat during operation, requiring effective heat dissipation; and the thermal management system of new energy vehicles also needs to monitor the heating and cooling of the passenger compartment. However, multi-port water valves still have the following drawbacks in practical use:
[0003] During the operation of the water valve, the internal valve core is directly installed inside the valve body. Over a long period of operation, the valve core will wear down the sealing structure after rotating, causing a decrease in the stability of the valve core's rotation inside the valve body and affecting the durability of the valve core.
[0004] Secondly, when connecting different interfaces, different valve cores need to be operated separately to connect the corresponding number of interfaces. During operation, the applicable operation for connecting different interfaces is not convenient. Utility Model Content
[0005] The purpose of this utility model is to provide a valve core structure for a multi-port water valve. By setting a valve shell, a valve core, and a fixed shaft, it solves the problems that the valve core structure of a multi-port water valve will wear down the sealing structure after rotation, causing a decrease in the stability of the valve core rotation in the valve shell, and the valve core structure is not convenient for operation to connect different interfaces.
[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0007] This utility model relates to a valve core structure for a multi-port water valve, comprising a valve housing, a valve core, and a fixed shaft. A turntable is rotatably connected to the bottom of the valve housing, and the valve core is movably connected to the outside of the turntable. A fixed shaft is fixed to the bottom of the valve core. A vertical straight-flow channel is opened at the front periphery of the valve core. After dividing the periphery of the valve core into eleven equal parts from a top-view perspective, the lower periphery of the valve core, starting from the vertical straight-flow channel, sequentially opens a horizontal flow channel, a square flow channel, a sealing section consisting of a square flow channel span, and a horizontal... The valve core has three flow channels: a horizontal flow channel, a horizontal flow channel, and a square flow channel. Starting with a vertical straight flow channel on the upper part of the valve core, a square flow channel is opened counterclockwise in sequence: a sealing section with three square flow channel widths, a horizontal flow channel, a sealing section with one square flow channel width, a square flow channel, a sealing section with one square flow channel width, and a square flow channel. During operation, the valve core is installed in the valve body. As the valve core rotates, the connection port connected to the valve core changes. The fixed shaft rotates, driving the valve core to rotate, so that the different connection ports on the valve body are connected.
[0008] Furthermore, a sealing sleeve is fixed on the inner wall of the valve housing, and the sealing sleeve extends through the top of the valve housing. The front side of the valve housing has a connection port in a rectangular array of two rows and three columns, and the connection port extends through the periphery of the sealing sleeve. The sealing sleeve on the valve housing seals the gap between the valve core and the valve housing.
[0009] Furthermore, the valve shell top of the outer side of the sealing sleeve has mounting screw holes arranged in a ring array, and three movable arms are fixed in a ring array around the circumference of the turntable. The mounting screw holes on the sealing sleeve are used to install the sealing cover and other structures.
[0010] Furthermore, a movable port is provided at the center of the bottom end of the valve core, and the turntable is movably connected to the movable port. The movable port on the valve core is movably connected to the turntable.
[0011] Furthermore, the bottom end of the valve core on the outer side of the movable port is provided with slots in a circular array, and the movable arm is movably connected in the slots to stabilize the position of the valve core in the valve body.
[0012] Furthermore, a splined shaft is fixed to the top of the fixed shaft, and the splined shaft extends out of the top of the valve housing. After the splined shaft on the fixed shaft is engaged with the output shaft of the drive structure, when the drive structure rotates, it drives the fixed shaft and the valve core to rotate inside the valve housing.
[0013] This utility model has the following beneficial effects:
[0014] This invention solves the problem of reduced stability of the valve core rotation within the valve housing caused by wear on the sealing structure after the valve core rotates in multi-port water valves, by setting up a valve housing, valve core, and fixed shaft. When installing the valve core inside the valve housing, the bottom end of the valve core is aligned with the sealing sleeve at the top of the valve housing. After the valve core is inserted into the sealing sleeve, it is moved downwards until its bottom end contacts the top of the turntable at the bottom of the valve housing. The valve core is then rotated and pressed downwards. When the movable port at the bottom of the valve core aligns with the turntable, and the slot aligns with the movable arm, the movable arm engages in the slot, and the turntable engages in the movable port. This ensures the stability of the valve core rotation within the valve housing, preventing wear on the sealing structure after the valve core rotates in the multi-port water valve.
[0015] This invention solves the problem of inconvenient operation of multi-port water valves by setting a valve shell and valve core, which are not suitable for connecting different interfaces. After rotating the spline shaft, the fixed shaft and valve core are driven to rotate. After the valve core rotates, the vertical straight flow channel, horizontal flow channel and square flow channel on the periphery of the valve core correspond to the different connection ports on the valve shell, so that the different connection ports are connected to the valve shell to complete the work. This makes the valve core structure of the multi-port water valve suitable for connecting different interfaces. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A three-dimensional view of the valve core structure assembly of a multi-port water valve;
[0018] Figure 2 This is a three-dimensional structural view of the valve housing;
[0019] Figure 3 This is a three-dimensional structural diagram of the valve core;
[0020] Figure 4 A three-dimensional view of the structure with a fixed axis;
[0021] Figure 5 This is a split view of the valve core and valve body in their initial working positions.
[0022] Figure 6 This is a split view of the valve core after its first driven rotation and its working position relative to the valve body.
[0023] Figure 7 This is a split view of the valve core after its second driven rotation and its working position relative to the valve body.
[0024] Figure 8 This is a split view of the valve core's working position relative to the valve body after its third driven rotation.
[0025] Figure 9 This is a split view of the valve core after its fourth driven rotation and its working position relative to the valve body.
[0026] Figure label:
[0027] 1. Valve housing; 101. Turntable; 102. Movable arm; 103. Connection port; 104. Sealing sleeve; 105. Mounting screw hole; 2. Valve core; 201. Movable port; 202. Slot; 203. Vertical flow channel port; 204. Horizontal flow channel port; 205. Square flow channel port; 3. Fixed shaft; 301. Splined shaft. Detailed Implementation
[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model. Specific Implementation Example 1
[0029] Please see Figure 1-9 This utility model relates to a valve core structure for a multi-port water valve, comprising a valve housing 1, a valve core 2, and a fixed shaft 3. A turntable 101 is rotatably connected to the bottom of the valve housing 1, and the valve core 2 is movably connected to the outside of the turntable 101. The turntable 101 works in conjunction with the rotation of the valve core 2 to stabilize the position of the valve core 2 within the valve housing 1. A fixed shaft 3 is fixed to the bottom of the valve core 2, transmitting the rotation of the spline shaft 301 to the valve core 2, thus driving the valve core 2 to rotate. A vertical straight-flow channel 203 is opened on the front of the circumference of the valve core 2. After dividing the circumference of the valve core 2 into eleven equal parts from a top-view perspective, the lower part of the circumference of the valve core 2, starting from the vertical straight-flow channel 203, sequentially opens a horizontal flow channel 204 and a square flow channel in a counterclockwise direction. 205. The sealing section consists of a square flow channel 205 span, a horizontal flow channel 204, a horizontal flow channel 204 and a square flow channel 205. The upper part of the valve core 2 is opened with a vertical straight flow channel 203 starting from the square flow channel 203 and opening a square flow channel 205 in a counterclockwise direction. The sealing section has three square flow channel 205 widths, a horizontal flow channel 204, a sealing section has one square flow channel 205 width, a square flow channel 205, a sealing section has one square flow channel 205 width and a square flow channel 205. When the valve core 2 is working, after passing through the vertical straight flow channel 203, the horizontal flow channel 204 and the square flow channel 205 at different positions, different connection ports 103 are formed for connection.
[0030] Specifically, a sealing sleeve 104 is fixed on the inner wall of the valve housing 1, and the sealing sleeve 104 is arranged through the top of the valve housing 1. The front side of the valve housing 1 has a connection port 103 arranged in a rectangular array of two rows and three columns, and the connection port 103 is arranged through the periphery of the sealing sleeve 104. When the valve housing 1 is working, the connection port 103 is connected and communicated with the external liquid circuit connector. By rotating the valve core 2, different liquid circuits are connected.
[0031] Furthermore, mounting screw holes 105 are arranged in a ring array on the top of the valve housing 1 outside the sealing sleeve 104, and three movable arms 102 are fixed in a ring array on the periphery of the turntable 101. The mounting screw holes 105 on the sealing sleeve 104 provide communication between the sealing cover above the valve housing 1 and the equipment for conveying liquid. The turntable 101 is connected to the groove 202 at the bottom of the valve core 2 through the movable arms 102.
[0032] The operation process of this embodiment is as follows: During operation, firstly, the connection port 103 on the front side of the valve housing 1 is connected as follows: Figure 5-9 The styles are numbered, and when the valve core 2 rotates inside the valve housing 1 to such a position... Figure 5 After the indicated position, connection ports 103 numbered 1 and 3 are connected through the vertical flow channel port 203 on the periphery of valve core 2; connection ports 103 numbered 4 and 6 are connected through the horizontal flow channel port 204 on the periphery of valve core 2; and connection port 103 numbered 2 is connected through the square flow channel port 205 on the periphery of valve core 2. When valve core 2 rotates within valve housing 1 to... Figure 6 After the indicated position, connection ports 103 numbered 1 and 6 are connected through vertical flow channel port 203 on the periphery of valve core 2; connection ports 103 numbered 4 and 3 are connected through horizontal flow channel port 204 on the periphery of valve core 2; and connection port 103 numbered 2 is connected through square flow channel port 205 on the periphery of valve core 2. When valve core 2 rotates within valve housing 1 to... Figure 7 After the indicated position, connection ports 103 numbered 4 and 6 are connected through the horizontal flow channel port 204 located below on the circumference of valve core 2, and connection ports 103 numbered 2 and 5 are connected through the horizontal flow channel port 204 located above on the circumference of valve core 2. When valve core 2 rotates within valve housing 1 to... Figure 8 After the indicated position, the connection ports 103 numbered 3 and 4 are connected through the horizontal flow channel port 204 on the periphery of the valve core 2, and the connection ports 103 numbered 2 and 6 are connected through the upper square flow channel port 205 and the lower square flow channel port 205 on the periphery of the valve core 2. When the valve core 2 rotates within the valve housing 1 to Figure 9 After the positions shown, the connection ports 103 numbered 5 and 6 are connected through the vertical direct flow channel port 203 on the circumference of the valve core 2, and the connection ports 103 numbered 2 and 3 are connected through the square flow channel port 205 on the circumference of the valve core 2. This allows the connection ports 103 with different numbers to be connected in different ways during operation, which is suitable for different working states. Specific Implementation Example 2
[0033] Please see Figure 1-4 Based on the first specific embodiment, a movable port 201 is provided at the center of the bottom end of the valve core 2, and the turntable 101 is movably connected in the movable port 201. The valve core 2 is movably connected to the turntable 101 through the movable port 201.
[0034] Specifically, the bottom end of the valve core 2 outside the movable port 201 is provided with a groove 202 in a ring array. The movable arm 102 is movably connected in the groove 202. When the movable arm 102 enters the groove 202 at the bottom end of the valve core 2, it stabilizes the position of the valve core 2 in the valve body 1.
[0035] Furthermore, a splined shaft 301 is fixed to the top of the fixed shaft 3. The splined shaft 301 extends out of the top of the valve housing 1. After the splined shaft 301 on the fixed shaft 3 is engaged with the output end of the rotating structure, it rotates and drives the fixed shaft 3 to rotate, which in turn drives the slot 202 to rotate.
[0036] The operation process of this embodiment is as follows: During operation, when installing the valve core 2 inside the valve housing 1, align the bottom end of the valve core 2 with the sealing sleeve 104 at the top of the valve housing 1. After the valve core 2 is inserted into the sealing sleeve 104, it is moved down to the bottom end to contact the top of the turntable 101 at the bottom of the valve housing 1. Then, rotate the valve core 2 and press it down. When the movable port 201 at the bottom of the valve core 2 is aligned with the position of the turntable 101, and the slot 202 is aligned with the position of the movable arm 102, the movable arm 102 is engaged in the slot 202, the turntable 101 is engaged in the movable port 201, and the gap between the valve core 2 and the valve housing 1 is sealed by the sealing sleeve 104. Rotate the spline shaft 301 to drive the fixed shaft 3 and the valve core 2 to rotate, so that during operation, the connection port 103 is changed.
[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A valve core structure of a multi-interface water valve, comprising a valve shell (1), a valve core (2) and a fixed shaft (3), characterized in that: The valve shell (1) is rotatably connected with a rotating disc (101) at the bottom, the rotating disc (101) is movably connected with a valve core (2) at the outside, the valve core (2) is fixed with a fixed shaft (3) at the bottom, a vertical flow port (203) is formed at the front of the valve core (2), the valve core (2) is divided into eleven parts from the vertical flow port (203) at the bottom, and the valve core (2) is divided into eleven parts from the vertical flow port (203) at the bottom.
2. A valve trim structure for a multi-port water valve according to claim 1, wherein: The inner wall of the valve shell (1) is fixed with a sealing sleeve (104), and the sealing sleeve (104) is arranged through the top end of the valve shell (1), the front side of the valve shell (1) is arranged with connecting ports (103) in a two-row three-column rectangular array, and the connecting ports (103) are arranged through the outer side of the sealing sleeve (104).
3. A valve trim structure for a multi-port water valve according to claim 2, wherein: The top end of the valve shell (1) is arranged with mounting screw holes (105) in an annular array at the outer side of the sealing sleeve (104), and the rotating disc (101) is fixed with three movable arms (102) in an annular array at the outer side.
4. A valve trim structure for a multi-port water valve according to claim 3, wherein: The bottom end of the valve core (2) is arranged with a movable port (201) in the center, and the rotating disc (101) is movably connected in the movable port (201).
5. A valve trim structure for a multi-port water valve according to claim 4, wherein: The bottom end of the valve core (2) is arranged with a movable port (201) in the center, and the rotating disc (101) is movably connected in the movable port (201).
6. A valve trim structure for a multi-port water valve according to claim 1, wherein: The top end of the valve shell (1) is arranged with mounting screw holes (105) in an annular array at the outer side of the sealing sleeve (104), and the rotating disc (101) is fixed with three movable arms (102) in an annular array at the outer side.