Water valve sealing gasket
By designing an arc connection structure between the first and second sealing ribs, combined with reinforcing ribs, the problem of high torque during the switching process of traditional water valve sealing ribs is solved, achieving lower torque requirements and better sealing effect.
Patent Information
- Application Number
- CN202520773302.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-04-23
AI Technical Summary
The sealing ribs of traditional multi-way water valves cause significant resistance during mode switching, resulting in the need for very large torque.
A water valve sealing gasket was designed, which uses a first sealing rib and a second sealing rib arranged opposite each other and connected by an arc structure. Combined with a reinforcing rib, the sealing rib is guided to deform when the valve core rotates and cuts in, thereby reducing the torque.
The torque was reduced during mode switching without changing the sealing effect, thus achieving a lower torque requirement.
Smart Images
Figure CN223868530U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive thermal management technology, specifically to a water valve sealing gasket. Background Technology
[0002] like Figure 1 As shown, the multi-way water valve sealing gasket achieves a seal between the gasket and the valve body through the compression of the triangular sealing rib. Since the multi-way water valve requires mode switching, the valve core needs to switch from the sealing rib of another water port to this sealing rib. In this process, external energy is converted into the elastic potential energy and internal energy of the sealing rib, as well as frictional loss. The traditional triangular sealing rib greatly hinders this process, resulting in a very large torque required for the sealing rib to go from an uncompressed state to a compressed state during the water valve mode switching process.
[0003] Therefore, this application addresses the aforementioned technical problems. Utility Model Content
[0004] In view of the existing technical problems, this utility model provides a water valve sealing gasket to solve the problems in the prior art.
[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution:
[0006] A water valve sealing gasket includes a gasket body. A first sealing rib group is distributed on the outer peripheral surface of the gasket body. The first sealing rib group extends along the length direction of the gasket body and includes a first sealing rib and a second sealing rib. The first and second sealing ribs are symmetrically arranged, and at least a portion of the opposing surfaces of the first and second sealing ribs are connected near one end of the gasket body, forming an included angle at the connection point.
[0007] The sides of the first and second sealing ribs away from the included angle are connected to the sealing gasket body by a circular arc structure.
[0008] Preferably, the ends of the first and second sealing ribs away from the sealing gasket body have an arc-shaped protrusion structure.
[0009] Preferably, the radius of the arc structure connecting the first sealing rib and the second sealing rib to the sealing gasket body is greater than the radius of the arc-shaped protrusion structure on the first sealing rib and the second sealing rib.
[0010] Preferably, the included angle is in the range of 85° to 90°.
[0011] Preferably, the sealing gasket body has sealing openings evenly distributed on it, and the first sealing rib group is distributed on both sides of the sealing opening.
[0012] Preferably, a plurality of first reinforcing ribs are distributed along the length of the first sealing rib and the second sealing rib, and the upper surface of the first reinforcing rib is concave arc-shaped.
[0013] Preferably, at least two sets of second sealing ribs are provided on the outer circumferential surface of the sealing gasket body along its circumferential direction, and the second sealing ribs are respectively located near the two ends of the sealing gasket body.
[0014] Preferably, a plurality of second reinforcing ribs are provided on the outer peripheral surface of the sealing gasket body near its two ends. The second reinforcing ribs extend along the length direction of the sealing gasket body and are evenly distributed between the first sealing rib group.
[0015] Preferably, both ends of the first sealing rib and the second sealing rib are inclined surfaces, which are inclined from the end connected to the sealing gasket body to the end closer to the center of the sealing gasket body.
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: The structural design of the first sealing rib and the second sealing rib can guide the sealing rib to undergo structural deformation during the sealing process. When the valve core rotates and cuts in, the sealing rib rotates around the position where it connects with the sealing gasket body, and the sealing rib structure will sink, guiding the first sealing rib and the second sealing rib to deform to both sides respectively, thereby increasing the valve core's introduction angle and reducing the valve core's torque, realizing the transformation from the original rubber compression to rubber compression and sealing rib structural deformation. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the existing technology;
[0018] Figure 2 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 3 for Figure 2 A partial sectional view of the first sealing rib group in the middle;
[0020] Figure 4 This is a comparison diagram of torque fluctuations between the proposed solution and existing technical solutions during the water valve switching process;
[0021] Figure 5 This is a diagram of the inner contact pressure generated through finite element simulation.
[0022] Figure 6 This is a diagram of the outer contact pressure generated by finite element simulation. Detailed Implementation
[0023] The present invention will be further described in detail below with reference to experimental examples and specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following embodiments. All technologies implemented based on the content of the present invention fall within the scope of the present invention.
[0024] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] As attached Figure 2 - Appendix Figure 3 The water valve sealing gasket shown is installed between the valve body and the valve core. It includes a sealing gasket body 1, which can be a cylindrical structure with openings at the top and bottom, a semi-cylindrical structure, or an arc-shaped structure with an arc cross-section. A first sealing rib group 3 is distributed on the outer circumferential surface of the sealing gasket body 1. The first sealing rib group 3 extends along the length direction of the sealing gasket body 1. A plurality of sealing ports 2 are evenly and symmetrically distributed on the sealing gasket body 1. The first sealing rib group 3 is distributed on both sides of the sealing ports 2.
[0026] The first sealing rib group 3 includes a first sealing rib 31 and a second sealing rib 32, which are symmetrically arranged. The two opposing surfaces of the first sealing rib 31 and the second sealing rib 32 are connected at least partially near one end of the sealing gasket body 1, forming an angle at the connection point. The angle ranges from 85° to 90°. Both end faces of the first sealing rib 31 and the second sealing rib 32 are inclined surfaces 30, which slope from the end connected to the sealing gasket body 1 towards the end near the center of the sealing gasket body 1. A plurality of first reinforcing ribs 5 are distributed along the length of the first sealing ribs 31 and the second sealing rib 32. The first reinforcing ribs 5 are located within the angle formed at the connection point of the first sealing ribs 31 and the second sealing rib 32, and the upper surface of the first reinforcing rib 5 is concave.
[0027] refer to Figure 3The sides of the first sealing rib 31 and the second sealing rib 32 away from the included angle are connected to the sealing gasket body 1 by an arc-shaped transition structure. The ends of the first sealing rib 31 and the second sealing rib 32 away from the sealing gasket body 1 have an arc-shaped protrusion structure. The radius of the arc structure connecting the first sealing rib 31 and the second sealing rib 32 to the sealing gasket body 1 is larger than the radius of the arc-shaped protrusion structure on the first sealing rib 31 and the second sealing rib 32.
[0028] refer to Figure 2 At least two sets of second sealing ribs 4 are provided along the circumferential direction on the outer peripheral surface of the sealing gasket body 1. The second sealing ribs 4 are located near both ends of the sealing gasket body 1. In this embodiment, a total of three sets of second sealing ribs 4 are provided, located at both ends of the sealing gasket body 1 and at the middle of the sealing gasket body 1, respectively.
[0029] A plurality of second reinforcing ribs 6 are provided on the outer peripheral surface of the sealing gasket body 1 near its two ends. The second reinforcing ribs 6 extend along the length direction of the sealing gasket body 1 and are evenly distributed between the first sealing rib group 3.
[0030] To improve the sealing performance and stability of the overall structure, a third sealing rib group 7 is symmetrically distributed on the outer circumferential surface of the sealing gasket body 1. The third sealing rib group 7 is positioned away from the sealing port 2 and extends along the length of the sealing gasket body 1. Multiple third reinforcing ribs 8 are evenly distributed at intervals between the third sealing rib groups 7.
[0031] When the sealing gasket transitions from an uncompressed to a compressed state, external energy is converted into its own elastic potential energy and heat. This elastic potential energy has two directions: radial and tangential. Higher radial elastic potential energy results in a better seal. Tangential elastic potential energy is an objective requirement for the sealing transition process. When the valve core rotates and engages, the first sealing rib assembly rotates around the fulcrum and, under pressure, sinks, guiding the first and second sealing ribs to deform to both sides. This increases the valve core's inlet angle, reducing torque and transforming the original pure compression state into structural compression and guided deformation.
[0032] from Figures 4-6 It can be seen that, under the same compression, the sealing structure design of this application has the same sealing effect as the original structure. At the same time, the peak torque of a single vertical rib decreased by 0.2 N*m during the mode switching torque reduction, and the peak torque of the entire sealing gasket decreased by 1.2 N*m, reaching 15%.
[0033] Finite element simulation was used to simulate different design structures and compare them with the original scheme. The results showed that the torque decreased while the internal leakage effect remained consistent.
[0034] The preferred embodiments of this utility model have been described above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.
Claims
1. A water valve sealing gasket, comprising a sealing gasket body (1), wherein a first sealing rib group (3) is distributed on the outer peripheral surface of the sealing gasket body (1), the first sealing rib group (3) extending along the length direction of the sealing gasket body (1), characterized in that: The first sealing rib group (3) includes a first sealing rib (31) and a second sealing rib (32). The first sealing rib (31) and the second sealing rib (32) are symmetrically arranged. The two opposite faces of the first sealing rib (31) and the second sealing rib (32) are connected at least in a portion of one end near the sealing gasket body (1), so that the first sealing rib (31) and the second sealing rib (32) form an angle at the connection. The side of the first sealing rib (31) and the second sealing rib (32) away from the angle is connected to the sealing gasket body (1) by a circular arc structure.
2. A water valve sealing gasket according to claim 1, characterized in that: The first sealing rib (31) and the second sealing rib (32) have an arc-shaped protrusion at the end away from the sealing gasket body (1).
3. A water valve sealing gasket according to claim 2, characterized in that: The radius of the arc structure connecting the first sealing rib (31) and the second sealing rib (32) to the sealing gasket body (1) is greater than the radius of the arc-shaped protrusion structure on the first sealing rib (31) and the second sealing rib (32).
4. A water valve sealing gasket according to claim 1, characterized in that: The included angle is in the range of 85° to 90°.
5. A water valve sealing gasket according to any one of claims 1-4, characterized in that: The sealing gasket body (1) has sealing openings (2) evenly distributed on it, and the first sealing rib group (3) is distributed on both sides of the sealing opening (2).
6. A water valve sealing gasket according to claim 5, characterized in that: Multiple first reinforcing ribs (5) are distributed along the length of the first sealing rib (31) and the second sealing rib (32), and the upper surface of the first reinforcing rib (5) is concave arc-shaped.
7. A water valve sealing gasket according to claim 6, characterized in that: At least two sets of second sealing ribs (4) are provided along the circumference of the outer peripheral surface of the sealing gasket body (1), and the second sealing ribs (4) are located near the two ends of the sealing gasket body (1).
8. A water valve sealing gasket according to claim 7, characterized in that: The sealing gasket body (1) is provided with a plurality of second reinforcing ribs (6) near its two ends on its outer peripheral surface. The second reinforcing ribs (6) extend along the length direction of the sealing gasket body (1) and are evenly spaced between the first sealing rib group (3).
9. A water valve sealing gasket according to claim 8, characterized in that: Both ends of the first sealing rib (31) and the second sealing rib (32) are inclined surfaces (30), which are inclined from the end connected to the sealing gasket body (1) toward the end closer to the center of the sealing gasket body (1).