Water heating valve structure applied to narrow space

By adopting a folding plate linkage design and a flexible sealing pipe interference fit structure in the water heating valve, the problems of inconvenient operation and leakage in narrow spaces are solved, achieving convenient operation and efficient sealing.

CN223975632UActive Publication Date: 2026-03-06ZHEJIANG VALTEC PLUMBING & HEATING EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-28
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

Water valves are inconvenient to operate in confined spaces and are prone to leakage, a problem that is difficult to solve with existing technology.

Method used

It adopts a folding plate linkage design and a flexible sealing tube interference fit structure, and maintains the unfolded state through a damping bearing, which enhances the ease of operation and improves the sealing performance.

Benefits of technology

It enables convenient operation and effective sealing in confined spaces, solves the problems of difficult valve opening and leakage, and improves operational stability and pressure resistance and leak prevention performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of water heating valves, and particularly relates to a water heating valve structure applied to a narrow space, which comprises a water heating valve body. A rotating wheel is arranged at the top of the water heating valve body, the top of the rotating wheel is fixedly connected with a fixing column, the surface of the fixing column is sleeved with a folding plate A, a connecting block A is arranged at the top of one end of the folding plate A, damping bearings A are arranged on the two sides of the connecting block A, and the folding plate A is movably connected with a folding plate B through the connecting block A and the damping bearings A; a connecting block B is arranged at one end of the folding plate B, and damping bearings B are arranged on the two sides of the connecting block B; through the linkage folding design of the folding plate A, the folding plate B and the folding plate C, the telescopic adjusting function of the valve operating rod is achieved, the problem that a rotating wheel is difficult to operate in a narrow space is solved, the folding plates are kept in an unfolded state through the damping torque of the A / B damping bearing, the lengthened operating rod is formed after unfolding, and the operation convenience of opening and closing of the valve is improved.
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Description

Technical Field

[0001] This utility model relates to the field of plumbing valves, specifically a plumbing valve structure applicable to narrow spaces. Background Technology

[0002] Plumbing valves are an important component of plumbing systems, primarily used to control and regulate the direction, pressure, and flow rate of fluids within the pipes. Valves have multiple functions, including shut-off, regulation, flow diversion, backflow prevention, pressure stabilization, flow splitting, and pressure relief. They achieve precise control of fluid parameters by altering the cross-sectional area of ​​the passage and the direction of fluid flow.

[0003] In the prior art, such as in the publication number CN222416082U, a water heating valve is disclosed, which includes a valve, a connecting pipe fixedly connected to the valve, a fixed box fixedly connected to the top of the valve, a support component provided in the inner cavity of the fixed box, a motor component provided in the inner cavity of the fixed box, a sliding component provided on the motor component, a baffle component provided in the valve, and fixed components provided on both sides of the fixed box.

[0004] While the aforementioned patent regulates the heating temperature of the water heating system by controlling the opening degree of the valve, and when the water heating valve is damaged, the fixing box can be disassembled and the internal parts of the valve replaced by fixing components on both sides of the fixing box, thus saving costs, the water heating valve is located in a narrow space, which makes operation inconvenient when the valve needs to be operated, affecting the valve opening progress, and the valve ends are affected by environmental factors, resulting in leakage. Therefore, in order to address the above problems, a water heating valve structure for narrow spaces is proposed. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, water heating valves are located inside narrow spaces, which makes operation inconvenient and affects the valve opening progress. In addition, the valve ends are affected by environmental factors, resulting in leakage. This utility model proposes a water heating valve structure applicable to narrow spaces.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The water heating valve structure applied in narrow spaces according to this utility model includes a water heating valve body; a rotating wheel is provided on the top of the water heating valve body, a fixed column is fixedly connected to the top of the rotating wheel, an A-folding plate is sleeved on the surface of the fixed column, an A-connecting block is provided on the top of one end of the A-folding plate, A-damping bearings are provided on both sides of the A-connecting block, the A-folding plate is movably connected to a B-folding plate through the A-connecting block and the A-damping bearings, a B-connecting block is provided on one end of the B-folding plate, B-damping bearings are provided on both sides of the B-connecting block, and a C-folding plate is movably connected to the B-folding plate through the B-connecting block and the B-damping bearings; flexible sealing tubes are sleeved inside both ends of the water heating valve body, flexible inserts are inserted inside the flexible sealing tubes, trapezoidal grooves are formed in an annular array on the inner wall of the flexible sealing tubes, and trapezoidal protrusions adapted to the trapezoidal grooves are formed in an annular array on the outer wall of the flexible inserts.

[0007] Preferably, the lengths of the A folding plate, B folding plate, and C folding plate are equal, and their overall length after folding is reduced to a set multiple of the length of a single folding plate.

[0008] Preferably, the A damping bearing and the B damping bearing are rotary dampers, and the direction of their damping torque is opposite to the direction of rotation when the folding plate is unfolded.

[0009] Preferably, the trapezoidal groove and the trapezoidal convex ridge have the same inclination angle, and the trapezoidal convex ridge forms an interference seal when inserted into the trapezoidal groove.

[0010] Preferably, the surface of the C-fold plate away from the B-fold plate is provided with anti-slip texture, and the texture direction is perpendicular to the unfolding direction of the fold plate.

[0011] Preferably, the flexible sealing tube and the flexible insertion tube are made of silicone rubber, and the inner wall of the flexible sealing tube is coated with a wear-resistant and lubricating coating.

[0012] The advantages of this utility model are:

[0013] 1. This utility model realizes the telescopic adjustment function of valve operating rod through the linkage folding design of folding plate A, folding plate B and folding plate C, which solves the problem of difficult operation of the rotating wheel in narrow space. The folding plate is kept in the unfolded state by the damping torque of the A / B damping bearing. After unfolding, it forms an extended operating rod, which improves the convenience of valve opening and closing.

[0014] 2. This utility model achieves radial elastic sealing function through the interference fit design of trapezoidal groove / convex ridge of flexible sealing tube and flexible insertion tube, which solves the leakage problem caused by vibration or deformation of valve interface. The elastic deformation of silicone rubber material and the principle of extrusion of trapezoidal structure inclined surface enhance the contact pressure of sealing surface and improve pressure resistance and leakage prevention performance. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the water heating valve body of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the A-fold plate, B-fold plate and C-fold plate of this utility model;

[0019] Figure 4 This is a schematic diagram of the flexible sealing tube and flexible insertion tube structure of this utility model.

[0020] In the diagram: 1. Plumbing valve body; 2. Rotary wheel; 3. Fixed column; 4. A folding plate; 5. A connecting block; 6. A damping bearing; 7. B folding plate; 8. B connecting block; 9. B damping bearing; 10. C folding plate; 11. Flexible sealing tube; 12. Flexible insertion tube; 13. Trapezoidal groove; 14. Trapezoidal protrusion. Detailed Implementation

[0021] 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 of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0022] Please see Figures 1-4As shown, the structure of a water heating valve applied in a narrow space includes a water heating valve body 1; a rotating wheel 2 is set on the top of the water heating valve body 1, a fixed column 3 is fixedly connected to the top of the rotating wheel 2, an A folding plate 4 is sleeved on the surface of the fixed column 3, an A connecting block 5 is set on the top of one end of the A folding plate 4, A damping bearings 6 are set on both sides of the A connecting block 5, the A folding plate 4 is movably connected to a B folding plate 7 through the A connecting block 5 and the A damping bearings 6, a B connecting block 8 is set on one end of the B folding plate 7, B damping bearings 9 are set on both sides of the B connecting block 8, and a C folding plate 10 is movably connected to the B folding plate 7 through the B connecting block 8 and the B damping bearings 9; flexible sealing tubes 11 are sleeved inside both ends of the water heating valve body 1, flexible insert tubes 12 are inserted inside the flexible sealing tubes 11, trapezoidal grooves 13 are arranged in an annular array on the inner wall of the flexible sealing tubes 11, and trapezoidal protrusions 14 adapted to the trapezoidal grooves 13 are arranged in an annular array on the outer wall of the flexible insert tubes 12;

[0023] During operation, folding plates A (4), B (7), and C (10) are unfolded. The folding plates are kept unfolded by the rotational damping action of damping bearings A (6) and B (9), forming an operating lever that extends beyond the narrow space. Rotating folding plate C (10) drives the rotating wheel 2 to open and close the valve. When the flexible insert 12 is inserted into the flexible sealing tube 11, the trapezoidal convex rib 14 and the trapezoidal groove 13 are interference-fitted to form a radial seal. The elasticity of the silicone rubber material compensates for installation errors. The folding plates are linked to expand the operating range, solving the problem of difficult operation in narrow spaces. The trapezoidal sealing structure improves the leakage prevention performance of the interface.

[0024] Furthermore, the lengths of folding plate A 4, folding plate B 7, and folding plate C 10 are equal, and their overall length after folding is reduced to a set multiple of the length of a single folding plate.

[0025] When in operation, the A folding plate 4, B folding plate 7, and C folding plate 10 are designed to be of equal length. When folding, they rotate and overlap along the damping bearing, reducing the overall length to an integer multiple of the length of a single folding plate. After storage, they fit snugly against the surface of the water heating valve body 1. The equal-length folding plates optimize the storage space occupied and solve the pain point that traditional operating levers cannot be folded compactly.

[0026] Furthermore, damping bearing 6 (A) and damping bearing 9 (B) are rotary dampers, and their damping torque direction is opposite to the rotation direction when the folding plate is unfolded.

[0027] During operation, the damping torque of damping bearings A (6) and B (9) is opposite to the unfolding direction of the folding plate. When unfolding, the damping torque must be overcome. After unfolding, the damping force automatically locks the angle of the folding plate. The damping torque prevents the folding plate from accidentally retracting, solves the problem of the operating lever shaking, and ensures operational stability.

[0028] Furthermore, the slope angles of the trapezoidal groove 13 and the trapezoidal protrusion 14 are the same, and the trapezoidal protrusion 14 forms an interference seal fit when inserted into the trapezoidal groove 13.

[0029] During operation, the trapezoidal convex 14 and the inclined surface of the trapezoidal groove 13 have the same inclination angle. When inserted, the flexible sealing tube 11 made of silicone rubber is squeezed and deformed. The interference fit generates radial sealing pressure to prevent fluid leakage. The inclined surface interference fit enhances the contact strength of the sealing surface and solves the problem of sealing failure caused by vibration or deformation.

[0030] Furthermore, the surface of the C folding plate 10 away from the B folding plate 7 is provided with anti-slip texture, and the texture direction is perpendicular to the unfolding direction of the folding plate.

[0031] When in operation, the anti-slip texture at the end of the C-folding plate 10 is perpendicular to the unfolding direction of the folding plate. When gripping, the direction of the force applied by the fingers is perpendicular to the texture, increasing frictional resistance and preventing slippage.

[0032] Furthermore, the flexible sealing tube 11 and the flexible insertion tube 12 are made of silicone rubber, and the inner wall of the flexible sealing tube 11 is coated with a wear-resistant and lubricating coating.

[0033] During operation, the inner wall of the flexible sealing tube 11 is coated with a wear-resistant and lubricating coating. When the flexible insertion tube 12 is repeatedly inserted and removed, the coating reduces the wear of the silicone rubber and reduces the insertion and removal resistance.

[0034] Working principle: When the A folding plate 4, B folding plate 7, and C folding plate 10 are unfolded, the damping torque of the A / B damping bearings resists the rebound of the folding plates, forming a stable operating lever that extends out of the narrow space. Rotating the C folding plate 10 drives the rotating wheel 2 to open and close the valve. At the same time, the flexible insertion tube 12 is inserted into the flexible sealing tube 11. The trapezoidal protrusion 14 and the trapezoidal groove 13 press against the silicone rubber material to create a radial seal. When folded for storage, the damping bearing locks the angle of the folding plate to fit the water valve body 1. The wear-resistant lubricating coating of silicone rubber reduces insertion and removal wear, realizing the integrated functions of operation expansion in narrow spaces, sealing and leak prevention, and compact storage.

[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, or similar improvements made within the theoretical and principle content of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A water heating valve structure for use in confined spaces, characterized in that: The utility model provides a water heating valve structure applied to narrow and small space, including water heating valve body (1), water heating valve body (1) top sets up rotating wheel (2), rotating wheel (2) top fixed connection fixed column (3), fixed column (3) surface sleeve joint A folding board (4), A folding board (4) one end top sets up A connecting block (5), A connecting block (5) both sides set up A damping bearing (6), A folding board (4) is connected B folding board (7) through A connecting block (5) and A damping bearing (6), B folding board (7) one end sets up B connecting block (8), B connecting block (8) both sides set up B damping bearing (9), B folding board (7) is connected C folding board (10) through B connecting block (8) and B damping bearing (9); Water heating valve body (1) both ends inside sleeve joint flexible sealing pipe (11), flexible sealing pipe (11) inside insert flexible spout (12), the inner wall annular array of flexible sealing pipe (11) is set up trapezoidal groove (13), the outer wall annular array of flexible spout (12) sets up trapezoidal convex edge (14) suitable for trapezoidal groove (13).

2. The water heating valve structure for a narrow space according to claim 1, wherein: The length of the A folding board (4), B folding board (7) and C folding board (10) is equal, and the overall length of the folding board is reduced to a set multiple of the length of the single folding board after folding.

3. The water heating valve structure for a narrow space according to claim 1, wherein: The A damping bearing (6) and B damping bearing (9) are rotary dampers, and the damping torque direction is opposite to the rotation direction when the folding board is unfolded.

4. The water heating valve structure for a narrow space according to claim 1, wherein: The inclination angles of the trapezoidal groove (13) and trapezoidal convex edge (14) are the same, and the trapezoidal convex edge (14) forms an interference sealing fit when inserted into the trapezoidal groove (13).

5. The water heating valve structure for a narrow space according to claim 1, wherein: The surface of the C folding board (10) away from the B folding board (7) is provided with anti-slip lines, and the direction of the lines is perpendicular to the unfolding direction of the folding board.

6. The water heating valve structure applied to narrow and small space according to claim 1, wherein: The flexible sealing pipe (11) and flexible spout (12) are made of silicone rubber material, and the inner wall of the flexible sealing pipe (11) is coated with a wear-resistant lubricating coating.

Citation Information

Patent Citations

  • Water heating valve

    CN222416082U