Lock control valve structure for heating system
By introducing sealing rings and spring buffer designs into the valve structure of the heating system, the problem of poor sealing in the existing technology is solved, realizing a lockable valve structure with double sealing and convenient operation, which is suitable for remote and automated control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANTAI KECHUANG JIENENG MECHANICAL & ELECTRICAL ENG CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-14
AI Technical Summary
The valve structure of the existing heating system lacks a double-seal design, resulting in poor sealing performance after locking.
Design a lock-controlled valve structure that achieves double sealing by inserting a sealing ring into the mounting groove, combined with spring buffering to ensure the stability of the sealing performance, and uses a motor to drive a worm gear to achieve valve opening and locking.
It achieves double sealing of the heating system, improving sealing effect and ease of operation, and is suitable for remote control or automated operation.
Smart Images

Figure CN224497436U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve technology, and in particular to a lock-control valve structure for a heating system. Background Technology
[0002] A heating system is a system that delivers heat from a heat source to users in a centralized or decentralized manner to meet the needs of building spaces for heating, hot water supply, and other services. Valves are control components in the fluid transport system of a heating system pipeline. They are used to change the cross-sectional area of the passage and the direction of medium flow, and have functions such as guiding, stopping, throttling, checking backflow, diverting, or overflowing and relieving pressure. The locking and opening functions of valves are very important and directly affect their actual use. There are many types of valves, and their locking methods also vary.
[0003] Existing technology, such as a valve locking structure (authorization number CN220870105U), achieves valve locking when the circular locking plate and protective washer are closed, solving the problems of inconvenient use and poor sealing effect after locking in current devices.
[0004] Currently, there is a lack of a lock-controlled valve structure that can achieve double sealing after the locking plate is locked, thereby shutting down the heating system.
[0005] Therefore, in order to address the above problems, a lock-controlled valve structure for heating systems is proposed to solve these problems. Utility Model Content
[0006] This invention addresses the shortcomings of existing technologies by developing a lock-controlled valve structure for heating systems. In this invention, the sealing ring enters the mounting groove simultaneously with the locking plate contacting the valve plate, thereby shutting down the heating system and achieving a double seal.
[0007] The technical solution to the technical problem solved by this utility model is as follows: This utility model provides a lockable valve structure for a heating system, comprising: a valve body, which serves as the outer shell of the entire valve, protecting internal components and forming a fluid channel; a valve plate connected inside the valve body; the valve plate connected to symmetrical mounting seats; a partition plate connected to the valve body, serving as a separator and support, and providing an installation position for the worm gear; a locking plate connected to a mounting shaft, which is rotatably connected to the symmetrical mounting seats; the mounting shaft passing through the valve body; and the opening and locking of the valve achieved by the swinging of the locking plate; and a power component including a worm gear, which is connected to the mounting shaft; the partition plate bearing connected to the central shaft of the worm gear; the worm gear meshing with the worm gear; and the movement of the locking plate when the worm gear rotates, thereby realizing the opening and locking functions of the valve.
[0008] As an optimization, an auxiliary sealing assembly is also included. The auxiliary sealing assembly includes a sealing ring connected to a mounting ring. The valve plate is connected to a set of U-shaped brackets, and the set of U-shaped brackets are respectively connected to an inner ring. The inner ring and the valve plate form a guide groove. The mounting ring is disposed in the guide groove. The locking plate is provided with a mounting groove. The sealing ring matches the mounting groove. When the locking plate contacts the valve plate, the sealing ring enters the mounting groove relative to the valve plate, achieving a double seal.
[0009] As an optimization, the mounting ring is connected to a set of guide rods, each guide rod passes through the corresponding U-frame, each guide rod is connected to a mounting circular plate, each mounting circular plate is connected to one end of a spring, each spring is looped around the corresponding guide rod, and the other end of each spring is connected to the corresponding U-frame. The spring can buffer and restore the position of the sealing ring, ensuring the continuous stability of the sealing performance.
[0010] As an optimization, the sealing ring and the mounting groove have isosceles trapezoidal cross-sections, and the angle of the hypotenuse of the mounting groove is smaller than the angle of the hypotenuse of the sealing ring. That is, the outermost width of the mounting groove is the same as the thickness of the thickest part of the sealing ring, and they are of equal height; the innermost width of the mounting groove is smaller than the thickness of the thinnest part of the sealing ring. This facilitates the separation of the sealing ring from the mounting groove when the locking plate is opened.
[0011] As an optimization, the partition is connected to the motor, and the output shaft of the motor is connected to the worm gear to provide power to the worm gear, thereby improving the convenience and accuracy of operation and making it suitable for heating systems that require remote control or automated operation.
[0012] As an optimization, a protective cover is connected to the valve body to protect the motor, worm gear, and worm shaft.
[0013] The effects provided in the utility model description are merely those of the embodiments, and not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects:
[0014] (1) When the locking plate of this utility model contacts the valve plate, the sealing ring enters the mounting groove, thereby shutting down the heating system and achieving double sealing.
[0015] (2) The sealing ring of this utility model makes it easy to enter and exit the installation groove, which facilitates the operation of the locking plate and is easy to use.
[0016] (3) By using a spring, when the locking plate contacts the valve plate, the spring returns to its original position, allowing the sealing ring to enter the mounting groove and contact the locking plate, thereby achieving auxiliary sealing. Attached Figure Description
[0017] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0018] Figure 1 This is a three-dimensional structural diagram of the locking plate of this utility model in the locked state.
[0019] Figure 2 This is a three-dimensional structural diagram of the locking plate of this utility model in the open state.
[0020] Figure 3 This is a partial three-dimensional structural diagram of the present invention. Figure 1 .
[0021] Figure 4 This is a partially cut-away three-dimensional structural diagram of the present invention.
[0022] Figure 5 This is a partial three-dimensional structural diagram of the present invention. Figure 2 .
[0023] In the diagram: 1. Protective cover, 2. Valve body, 3. Motor, 4. Partition plate, 5. Locking plate, 6. Mounting shaft, 7. Mounting seat, 8. Valve plate, 9. Inner ring, 10. Guide groove, 11. U-frame, 12. Worm gear, 13. Worm wheel, 14. Mounting groove, 15. Sealing ring, 16. Guide rod, 17. Mounting round plate, 18. Spring, 19. Mounting ring. Detailed Implementation
[0024] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present invention omits descriptions of well-known components and processing techniques and processes to avoid unnecessarily limiting the present invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0025] like Figures 1 to 5 As shown in Embodiment 1: A locking valve structure for a heating system includes: a valve body 2, which serves as the outer shell of the entire valve, protecting internal components and forming a fluid passage, with a valve plate 8 connected inside. The valve plate 8 is connected to symmetrical mounting seats 7. The valve body 2 is connected to a partition 4, which serves to separate and support the valve, providing an installation position for the worm gear 12; a locking plate 5, connected to a mounting shaft 6, which is rotatably connected to the symmetrical mounting seats 7. The mounting shaft 6 passes through the valve body 2, and the valve can be opened and locked by the swinging of the locking plate 5; a power component, including a worm gear 13, which is connected to the mounting shaft 6. The partition 4 is bearing-connected to the central shaft of the worm gear 12, and the worm gear 12 meshes with the worm gear 13. When the worm gear 12 rotates, the locking plate 5 moves, realizing the opening and locking functions of the valve.
[0026] The partition 4 is connected to the motor 3, and the output shaft of the motor 3 is connected to the worm gear 12 to provide power to the worm gear 12, thereby improving the convenience and accuracy of operation. It is suitable for heating systems that require remote control or automated operation.
[0027] The valve housing 2 is connected to the protective cover 1, which protects the motor 3, worm gear 13, and worm 12.
[0028] The workflow of this embodiment is as follows:
[0029] When the valve is opened, closed, or the opening degree is adjusted, the control motor 3 rotates, the motor 3 drives the worm gear 12 to rotate, the worm gear 12 drives the worm wheel 13 to rotate, the worm wheel 13 drives the mounting shaft 6 to rotate, and the mounting shaft 6 drives the locking plate 5 to swing.
[0030] Example 2: This example further elaborates on Example 1 and includes an auxiliary sealing component. The auxiliary sealing component includes a sealing ring 15, which is connected to a mounting ring 19. The valve plate 8 is connected to a set of U-shaped brackets 11, which are respectively connected to an inner ring 9. The inner ring 9 and the valve plate 8 form a guide groove 10. The mounting ring 19 is disposed in the guide groove 10. The locking plate 5 is provided with a mounting groove 14. The sealing ring 15 matches the mounting groove 14. When the locking plate 5 contacts the valve plate 8, the sealing ring 15 enters the mounting groove 14, achieving a double seal.
[0031] The mounting ring 19 is connected to a set of guide rods 16. Each guide rod 16 passes through the corresponding U-frame 11. Each guide rod 16 is connected to a mounting circular plate 17. Each mounting circular plate 17 is connected to one end of a spring 18. Each spring 18 is looped around the corresponding guide rod 16. The other end of each spring 18 is connected to the corresponding U-frame 11. The spring 18 can buffer and restore the position of the sealing ring 15 to ensure the continuous stability of the sealing performance.
[0032] The sealing ring 15 and the mounting groove 14 have isosceles trapezoidal cross sections, and the angle of the hypotenuse of the mounting groove 14 is smaller than the angle of the hypotenuse of the sealing ring 15. That is, the outermost width of the mounting groove 14 is the same as the thickness of the thickest part of the sealing ring 15, and they are of equal height; the innermost width of the mounting groove 14 is smaller than the thickness of the thinnest part of the sealing ring 15. This facilitates the separation of the sealing ring 15 from the mounting groove 14 when the locking plate 5 is opened.
[0033] The workflow of this embodiment is as follows:
[0034] When the valve is closed, the locking plate 5 swings to contact the sealing ring 15 when it is nearly vertical, causing the sealing ring 15 to move. The sealing ring 15 then moves the mounting ring 19 along the guide groove 10. The mounting ring 19 moves the guide rod 16, which in turn moves the mounting disc 17. The mounting disc 17 stretches the spring 18, and the sealing ring 15 gradually enters the mounting groove 14. When the locking plate 5 is vertical, it is in close contact with the valve plate 8. The spring 18 then returns to its original position, allowing the sealing ring 15 to enter the mounting groove 14 and contact the locking plate 5.
[0035] When opened, since the sealing ring 15 is in close contact with the locking plate 5, the locking plate 5 may move the sealing ring 15 when it swings. At this time, the spring 18 is compressed, and under its resistance, the sealing ring 15 is disengaged from the locking plate 5.
[0036] Although the specific embodiments of the utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the utility model. Based on the technical solution of the utility model, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the utility model.
Claims
1. A lock-controlled valve structure for a heating system, characterized in that, include: A valve housing (2) is connected to a valve plate (8) which is connected to a symmetrical mounting base (7). The valve housing (2) is connected to a partition plate (4). Locking plate (5), connected to mounting shaft (6), the mounting shaft (6) is rotatably connected to the symmetrical mounting seat (7), the mounting shaft (6) passes through the valve body (2); The power assembly includes a worm gear (13), the mounting shaft (6) is connected to the worm gear (13), the partition (4) is connected to the central shaft of the worm (12), and the worm (12) meshes with the worm gear (13).
2. The interlocking valve structure for a heating system according to claim 1, characterized in that: It also includes an auxiliary sealing assembly, which includes a sealing ring (15) connected to a mounting ring (19), a valve plate (8) connected to a set of U-frames (11), a set of U-frames (11) connected to an inner ring (9), the inner ring (9) and the valve plate (8) forming a guide groove (10), the mounting ring (19) being disposed in the guide groove (10), the locking plate (5) being provided with a mounting groove (14), and the sealing ring (15) matching the mounting groove (14).
3. The interlocking valve structure for a heating system according to claim 2, characterized in that: The mounting ring (19) is connected to a set of guide rods (16), each guide rod (16) passes through the corresponding U-frame (11), each guide rod (16) is connected to a mounting plate (17), each mounting plate (17) is connected to one end of a spring (18), each spring (18) is looped around the corresponding guide rod (16), and the other end of each spring (18) is connected to the corresponding U-frame (11).
4. The interlocking valve structure for a heating system according to claim 2, characterized in that: The sealing ring (15) and the mounting groove (14) have isosceles trapezoidal cross sections, and the angle of the hypotenuse of the mounting groove (14) is smaller than the angle of the hypotenuse of the sealing ring (15).
5. The interlocking valve structure for a heating system according to claim 1, characterized in that: The partition (4) is connected to the motor (3), and the output shaft of the motor (3) is connected to the worm (12).
6. The interlocking valve structure for a heating system according to claim 1, characterized in that: The valve body (2) is connected to the protective cover (1).