A valve stem for a valve faucet
By combining the large gear, small gear, and crank handle, along with the design of the box and cover plate, the problem of laborious valve stem rotation and easy label damage in valve faucets is solved, achieving labor-saving rotation and label protection, thus improving the safety and efficiency of valve operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU ZHONGYUECHENG PRECISION MASCH CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-05-29
AI Technical Summary
Existing valve stems require considerable effort to turn, have low power transmission efficiency, are prone to damage to labels, and are not convenient for indicating valve information and rotation direction, making them susceptible to misoperation.
The system uses a combination of large gears, small gears, and a crank handle to amplify torque through gear ratios. The design of the box, label, and cover plate clearly indicates valve information and rotation direction. Magnet blocks are used to secure the cover plate and protect the label from damage.
It enables labor-saving valve rotation, improves power transmission efficiency, avoids misoperation, ensures clear label content, and extends service life.
Smart Images

Figure CN224301467U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of valve stem technology, and in particular to a valve stem for a valve tap. Background Technology
[0002] The valve stem is a crucial component of a valve, used for transmission. It connects to the actuator or handle at the top and directly drives the valve core to move or rotate, thus achieving the valve's opening, closing, or regulating function. During valve opening and closing, the valve stem is not only a moving and load-bearing component but also a sealing component. Simultaneously, it is subjected to the impact and corrosion of the medium and friction with the packing. Therefore, when selecting valve stem materials, it is essential to ensure sufficient strength, good impact toughness, scratch resistance, and corrosion resistance at the specified temperature. As a vulnerable component, the valve stem's machinability and heat treatment properties should also be considered when selecting materials. During valve opening and closing, the valve stem withstands tensile, compressive, and torsional forces and is in direct contact with the medium, as well as friction with the packing. There is also relative frictional movement between them. Therefore, when selecting valve stem materials, the valve stem and ball joint and the valve stem and valve body contact points should have anti-static mechanisms. Some existing faucet valves are relatively heavy and require more effort to turn. For example, China has disclosed "A valve stem for a valve faucet" with the application number "CN202022108345.2". It uses a positioning rod and a vent hole. When the rod rotates, the lubricating oil in the vent hole will lubricate the rod, reduce corrosion on the rod surface, and extend its service life. However, it cannot achieve torque amplification to improve power transmission efficiency, so it cannot open or close the valve more easily. It cannot ensure that the valve label content is clear for a long time and will not be damaged after long-term use. Utility Model Content
[0003] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a valve stem for a valve faucet. Through the cooperation of a large gear, a small gear and a crank handle, the torque is amplified through the gear ratio, reducing the force required by the hand and improving the power transmission efficiency, thus making rotation more effortless. The crank handle is easy to operate, and combined with gear transmission, users can open or close the valve more easily. Through the cooperation of the box, label and cover plate, valve information and rotation direction can be marked to avoid misoperation, improve safety and efficiency, and the valve information is clear at a glance, which is convenient for maintenance and management. It can also protect the label, which is not easily damaged by mechanical friction, chemical corrosion or environmental factors, ensuring that the label content is clear for a long time and will not be damaged after long-term use.
[0004] This utility model also provides a valve stem for a valve faucet as described above, comprising: a valve stem, one end of which is fixedly connected to a rotating rod; a large gear is fixedly connected to the outer surface of the rotating rod; a housing is rotatably connected to the outer surface of the valve stem; a support rod is rotatably connected inside the housing; a small gear is fixedly connected to the outer surface of the support rod; a connecting rod is fixedly connected to the outer surface of the small gear; a crank is fixedly connected to the outer surface of the connecting rod; two boxes are fixedly connected to the outer surface of the housing; a label is placed inside each box; and a cover plate is rotatably connected to each box. Through the cooperation of the large gear, small gear, and crank, torque is amplified through the gear ratio, reducing hand force and improving power transmission efficiency, thus making rotation easier. The crank is simple to operate, and combined with gear transmission, users can more easily open or close the valve. The cooperation of the boxes, label, and cover plate can indicate valve information and rotation direction, avoiding misoperation, improving safety and efficiency. The valve information is clearly visible, facilitating maintenance and management, and protecting the label from mechanical friction, chemical corrosion, or environmental damage, ensuring the label content remains clear for a long time and is not damaged after prolonged use.
[0005] According to the present invention, a valve stem for a valve faucet is provided, wherein the rotating rod is rotatably connected to the housing, and the housing is provided with a sealing layer to ensure a sealing effect.
[0006] According to the present invention, a valve stem for a valve faucet is provided, wherein a support column is fixedly connected to the outer surface of the large gear, and the support column is rotatably connected to the housing, which can improve the stability of the large gear.
[0007] According to the present invention, a valve stem for a valve faucet is provided, wherein the crank handle is rotatably connected to the housing, and the small gear is meshed with the large gear, thereby amplifying the torque through the gear ratio and reducing the force required by the hand.
[0008] According to the present invention, a valve stem for a valve faucet is provided, wherein a handle is fixedly connected to the other end of the crank handle, and the handle is provided with anti-slip texture to prevent the hand from slipping during operation.
[0009] According to the present invention, a valve stem for a valve faucet is provided, wherein a sealing element is fixedly connected to the other end of the valve stem, and an anti-corrosion coating is provided on the valve stem, which can effectively ensure the sealing effect and the anti-corrosion effect.
[0010] According to the present invention, a valve stem for a valve faucet is provided, wherein the cover plate and the box body are provided with magnetic blocks for easy adsorption and fixation, simplifying the operation and maintenance process. Magnetic adsorption ensures that the cover plate and the box body are tightly connected and are not easy to loosen or fall off. The outer surface of the cover plate is fixedly connected with a handle for easy opening and closing.
[0011] According to the present invention, a valve stem for a valve faucet is provided, wherein the cover plate and the box body are made of glass, which allows the internal label to be seen directly. Glass is not easily corroded, is suitable for various environments, and extends its service life. The label is made of metal, which is wear-resistant, corrosion-resistant, and does not easily fade or get damaged, ensuring that the information is clear for a long time. It is more durable than plastic or paper labels, avoiding accidental tearing or wear that could lead to information loss.
[0012] Beneficial effects
[0013] Compared with existing technologies, this valve faucet uses a valve stem that, through the cooperation of a large gear, a small gear, and a crank handle, amplifies torque through gear ratios, reduces hand force, and improves power transmission efficiency, making rotation easier. The crank handle is simple to operate, and combined with gear transmission, users can open or close the valve more easily.
[0014] Compared with existing technologies, this valve stem for the valve faucet, through the cooperation of the box, label and cover plate, can indicate valve information and rotation direction, avoid misoperation, improve safety and efficiency, and the valve information is clear at a glance, which is convenient for maintenance and management. It can also protect the label, which is not easily damaged by mechanical friction, chemical corrosion or environmental factors, ensuring that the label content is clear for a long time and will not be damaged after long-term use. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0016] Figure 1 This is a front view of the valve stem for the valve faucet of this utility model;
[0017] Figure 2 This is a schematic diagram of the valve stem connection structure for the valve stem of the valve faucet of this utility model;
[0018] Figure 3 This is a rear view structural diagram of the valve stem for the valve faucet of this utility model;
[0019] Figure 4 This is a structural diagram of the valve stem housing for the valve faucet of this utility model.
[0020] Legend:
[0021] 1. Valve stem; 2. Rotating rod; 3. Large gear; 4. Housing; 5. Support rod; 6. Small gear; 7. Connecting rod; 8. Handle; 9. Box body; 10. Label; 11. Cover plate; 12. Support column; 13. Handle; 14. Magnet block; 15. Seal. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Reference Figure 1 , Figure 2 and Figure 3 This utility model discloses a valve stem for a valve faucet, comprising: a valve stem 1, with a sealing element 15 fixedly connected to the other end of the valve stem 1; an anti-corrosion coating on the valve stem 1 to resist corrosion from the external environment; a rotating rod 2 fixedly connected to one end of the valve stem 1 to support a large gear; the rotating rod 2 being rotatably connected to a housing 4; a large gear 3 fixedly connected to the outer surface of the rotating rod 2; a support column 12 fixedly connected to the outer surface of the large gear 3; the support column 12 being rotatably connected to the housing 4 to support the upper end of the large gear 3; a housing 4 rotatably connected to the outer surface of the valve stem 1; a sealing layer on the housing 4 for sealing; a support rod 5 rotatably connected inside the housing 4; a small gear 6 fixedly connected to the outer surface of the support rod 5; the small gear 6 meshing with the large gear 3 to drive the large gear 3 to rotate; a connecting rod 7 fixedly connected to the outer surface of the small gear 6; a crank handle 8 fixedly connected to the outer surface of the connecting rod 7; the crank handle 8 being rotatably connected to the housing 4; and a grip 13 fixedly connected to the other end of the crank handle 8, with anti-slip texture on the grip 13.
[0024] Specifically, during use, the handle 8 is rotated, which in turn drives the connecting rod 7 to rotate. The connecting rod 7 drives the small gear 6 to rotate, and the small gear 6 drives the large gear 3 to rotate through the action of the gears, thus making it easy to rotate the valve stem 1.
[0025] Reference Figure 1 and Figure 4 Two boxes 9 are fixedly connected to the outer surface of the housing 4. Labels 10 are placed inside the boxes 9, one indicating valve information and the other indicating the rotation direction. The labels 10 are made of metal and have a long service life. A cover plate 11 is rotatably connected to the box 9. Magnet blocks 14 are provided on the cover plate 11 and the box 9 to fix the cover plate 11 and the box 9. A handle is fixedly connected to the outer surface of the cover plate 11. The cover plate 11 and the box 9 are made of glass.
[0026] Specifically, place the metal label 10 inside the box 9, indicating the valve information and rotation direction through the label 10, then cover it with the cover plate 11, and fix the cover plate 11 magnetically through the handle 13, so that the label 10 is protected by the cover plate 11 and the box 9.
[0027] Working principle: When in use, the connecting rod 7 is rotated by cranking the handle 8, which in turn drives the small gear 6 to rotate, and the small gear 6 drives the large gear 3 to rotate, thereby rotating the valve stem 1. At the same time, the label 10, which is marked with valve information and rotation direction, is placed inside the box 9. Then, the box 9 is covered by the cover plate 11, and the cover plate 11 is protected by the label 10 and the cover plate 11.
[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A valve stem for a valve faucet, characterized in that, include: A valve stem (1) is fixedly connected to a rotating rod (2) at one end. A large gear (3) is fixedly connected to the outer surface of the rotating rod (2). A housing (4) is rotatably connected to the outer surface of the valve stem (1). A support rod (5) is rotatably connected inside the housing (4). A small gear (6) is fixedly connected to the outer surface of the support rod (5). A connecting rod (7) is fixedly connected to the outer surface of the small gear (6). A crank (8) is fixedly connected to the outer surface of the connecting rod (7). Two boxes (9) are fixedly connected to the outer surface of the housing (4). A label (10) is placed inside the box (9). A cover plate (11) is rotatably connected to the box (9).
2. The valve stem for a valve faucet according to claim 1, characterized in that, The rotating rod (2) is rotatably connected to the housing (4), and a sealing layer is provided on the housing (4).
3. The valve stem for a valve faucet according to claim 1, characterized in that, A support column (12) is fixedly connected to the outer surface of the large gear (3), and the support column (12) is rotatably connected to the housing (4).
4. The valve stem for a valve faucet according to claim 1, characterized in that, The crank handle (8) is rotatably connected to the housing (4), and the small gear (6) is meshed with the large gear (3).
5. A valve stem for a valve faucet according to claim 1, characterized in that, The other end of the crank handle (8) is fixedly connected to a grip (13), and the grip (13) is provided with anti-slip texture.
6. A valve stem for a valve faucet according to claim 1, characterized in that, The other end of the valve stem (1) is fixedly connected to a sealing element (15), and the valve stem (1) is provided with an anti-corrosion coating.
7. A valve stem for a valve faucet according to claim 1, characterized in that, Magnet blocks (14) are provided on the cover plate (11) and the box body (9), and a handle is fixedly connected to the outer surface of the cover plate (11).
8. A valve stem for a valve faucet according to claim 1, characterized in that, The cover plate (11) and the box body (9) are made of glass, and the label (10) is made of metal.