A valve structure

By employing a hollow sleeve-shaped valve cap that is magnetically attached to the valve stem structure, combined with a snap-fit ​​and limiting part, the problems of easy loss and poor sealing of the valve cap are solved, thus improving the anti-theft and anti-loss capabilities as well as the sealing effect.

CN224283578UActive Publication Date: 2026-05-26NINGBO KAISHENG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO KAISHENG AUTO PARTS CO LTD
Filing Date
2025-07-09
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing valve caps are easy to lose and cannot be prevented from being stolen, and the thin cord may break after a long time, resulting in poor sealing performance.

Method used

Design a valve stem structure in which the valve stem cap is a hollow sleeve shape, which is connected to the magnet by a capping part and a limiting part to achieve anti-theft and anti-loss, and the sealing performance is improved by a rubber sealing ring.

Benefits of technology

It achieves convenient use and anti-theft and anti-loss effects for valve caps, while improving sealing performance to prevent dust and moisture from entering, thus enhancing the user experience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224283578U_ABST
Patent Text Reader

Abstract

This application relates to a valve structure, including a valve body, with a valve cap and a connecting seat connected to both ends of the valve body. The valve cap is a hollow sleeve and can slide on the valve body. A cap is movably provided at one end of the valve cap, which can close the valve body. A snap-fit ​​part is provided on the valve body, which can connect with the end of the valve cap away from the cap. This application, by providing a movably connected valve cap on the valve body, and by making the valve cap hollow sleeve, allows the valve cap to move, facilitating normal inflation of the valve body. By providing a movably provided cap on the valve cap, the valve body can be closed, preventing dust and water from entering and facilitating use. Simultaneously, the snap-fit ​​part on the valve body, which can connect with the valve cap, can restrict the position of the valve cap, achieving an anti-theft and anti-loss effect.
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Description

Technical Field

[0001] This application relates to the field of valve technology, and in particular to a valve structure. Background Technology

[0002] A valve is an independent valve body device that allows gas to enter the tire or inner tube when opened, and then automatically closes and seals to retain the gas, thereby ensuring the air pressure inside the tire and preventing gas from escaping from the tire or inner tube. Most valves on the market are cylindrical, but there are also valves with curved tubes. The end of the valve is equipped with a sealing rubber ring or sealing rubber head.

[0003] To prevent dust and water from entering the valve stem, a detachable valve stem cap is usually installed. Currently, most valve stems are split-type, but the existing valve stem caps are small in size and easy to lose.

[0004] There is also a valve stem in the prior art that prevents the valve stem cap from being lost. For example, Chinese Patent No. CN219903956U, with an authorization announcement date of October 27, 2023, discloses an automobile tire valve stem, which includes a valve stem body and a sealing mechanism. The sealing mechanism includes a valve core, a sealing ring, a push pin, a first fixing block, a spring, and a second fixing block. One end of the valve stem body is threaded with a valve stem cap. The valve stem body has a sealing mechanism inside, and the outer surface of the valve stem body has a valve stem cap anti-loss mechanism. The valve stem cap anti-loss mechanism includes a limiting ring, a first fixing ring, a thin rope, and a second fixing ring.

[0005] The above-mentioned valve cap is fixed to prevent loss by setting a first fixing ring, a second fixing ring and a thin rope on the outside of the valve body. However, the thin rope in this application will break after a long time, and the valve cap in this application cannot play an anti-theft role. Therefore, a valve structure that is easy to use and prevents theft and loss should be designed. Utility Model Content

[0006] This application provides a valve structure that is easy to use and prevents theft and loss.

[0007] The valve stem structure provided in this application adopts the following technical solution:

[0008] A valve stem structure includes a valve stem body, with a valve stem cap and a connecting seat connected to both ends of the valve stem body, the valve stem cap being a hollow sleeve shape and capable of sliding on the valve stem body, a cap being movably provided at one end of the valve stem cap, the cap being capable of sealing the valve stem body, and a snap-fit ​​part being provided on the valve stem body, the snap-fit ​​part being capable of engaging with the end of the valve stem cap away from the cap.

[0009] Preferably, the cap is rotatably connected to the valve stem cap.

[0010] Preferably, the cap is a circular plate structure, one side of the cap is rotatably connected to the valve cap, the cap is provided with a first magnet, and the valve cap is provided with a second magnet at the position corresponding to the first magnet, the second magnet and the first magnet attract each other.

[0011] Preferably, the first magnet is located inside the cap, and is disposed on the side away from the cap and the valve cap that is rotatably connected. Both the first magnet and the second magnet are arc-shaped sheet structures made of neodymium iron boron material, and the first magnet and the second magnet are respectively embedded in the cap and the valve cap.

[0012] Preferably, the locking part is annular, the inner diameter of the valve cap is equal to the outer diameter of the locking part, and an annular limiting part is provided at the end of the valve cap away from the cover, the inner diameter of the annular limiting part being smaller than the inner diameter of the locking part.

[0013] Preferably, there is a gap between the snap-fit ​​portion and the end of the valve body, and the gap is equal to the length of the valve cap.

[0014] Preferably, the valve cap has a rubber sealing ring on its inner side, and the rubber sealing ring can be inserted into the end of the valve body.

[0015] Preferably, the valve body is an "L"-shaped bend, with the longer section of the valve body connected to the valve cap and the shorter section of the valve body connected to the connecting seat.

[0016] Preferably, both the valve cap and the connecting seat have anti-slip parts on their outer sides.

[0017] Preferably, the valve cap has a protrusion near the outer edge of the second magnet.

[0018] In summary, this application includes at least one of the following beneficial technical effects:

[0019] 1. This application provides a valve cap that is movably connected to the valve body. The valve cap is hollow and sleeve-shaped, allowing it to be moved for easy inflation of the valve body. A movable cap on the valve cap seals the valve body, preventing dust and water ingress and facilitating use. Additionally, a snap-fit ​​part on the valve body engages with the valve cap, restricting its position and preventing loss, thus preventing theft and loss.

[0020] 2. By rotating one side of the cap to the valve cap, and connecting the other side of the cap to the valve cap through the attraction of the first and second magnets, the valve cap can be opened and closed easily, making it convenient to use. By setting both the first and second magnets to be arc-shaped and embedded in the cap and valve cap respectively, the connection effect is guaranteed, while reducing the attraction of iron filings and other debris.

[0021] 3. By setting an annular snap-fit ​​part and ensuring that the inner diameter of the valve cap is equal to the outer diameter of the snap-fit ​​part, the inner side of the valve cap can be aligned with the snap-fit ​​part for easy positioning. The distance between the snap-fit ​​part and the end of the valve body is equal to the length of the valve cap. Simultaneously, an annular limiting part is provided at the end of the valve cap. When the annular limiting part engages with the snap-fit ​​part, the end of the valve cap corresponds to the end of the valve body, allowing the cap to seal the valve body and prevent dust and water ingress. Furthermore, by providing a rubber sealing ring on the inner side of the valve cap, which can be inserted into the end of the valve body, the sealing performance of the valve body is improved, enhancing the protective effect.

[0022] 4. By setting the valve body as an "L" shaped tube, the valve cap can be limited; by setting anti-slip parts on the outer side of both the valve cap and the connecting seat, it is easy to disassemble and assemble, and also easy to move the valve cap; by setting a protrusion on the outer side of the valve cap near the second magnet, it is easy to open the cap for inflation, making it convenient to use. Attached Figure Description

[0023] Figure 1 This is a perspective view of the valve structure in a preferred embodiment of this application.

[0024] Figure 2 This is a perspective view of the valve structure in use in a preferred embodiment of this application.

[0025] Figure 3 This is a perspective view of the valve structure in use in a preferred embodiment of this application.

[0026] Figure 4 This is a perspective view of the valve cap in a preferred embodiment of this application.

[0027] Figure 5 This is a perspective view of the valve cap from another angle in a preferred embodiment of this application.

[0028] Explanation of reference numerals in the attached drawings: 1. Valve body; 101. Snap-fit ​​part; 2. Valve cap; 201. Cover; 201a. First magnet; 202. Second magnet; 203. Annular limiting part; 204. Rubber sealing ring; 205. Protrusion; 3. Connecting seat. Detailed Implementation

[0029] The present application will be further described in detail below with reference to the accompanying drawings.

[0030] This application discloses a valve structure.

[0031] Reference Figures 1 to 5 A valve stem structure includes a valve stem body 1, with a valve stem cap 2 and a connecting seat 3 connected to both ends of the valve stem body 1. The valve stem cap 2 is a hollow sleeve and can slide on the valve stem body 1. Specifically, in this embodiment, the valve stem body 1 is an "L"-shaped bend, with the longer section of the valve stem body 1 connected to the valve stem cap 2 and the shorter section of the valve stem body 1 connected to the connecting seat 3. Anti-slip parts are provided on the outer sides of both the valve stem cap 2 and the connecting seat 3. The valve stem body can be configured as a bend to restrict the movement of the valve stem cap.

[0032] Reference Figures 2 to 5 One end of the valve cap 2 is movably provided with a cover 201. Specifically, the cover 201 is rotatably connected to the valve cap 2. The cover 201 can close the valve body 1. The cover 201 is a circular plate structure. One side of the cover 201 is rotatably connected to the valve cap 2. A first magnet 201a is provided on the cover 201. A second magnet 202 is provided on the valve cap 2 at the position corresponding to the first magnet 201a. The second magnet 202 and the first magnet 201a attract each other. A locking part 101 is provided on the valve body 1. The locking part 101 can connect with the end of the valve cap 2 away from the cover 201. The locking part 101 can restrict the valve cap 2 and prevent the valve cap 2 from falling off the valve body 1, thus playing a role in preventing theft and loss.

[0033] Reference Figures 3 to 5 The first magnet 201a is located inside the cover 201. The first magnet 201a is located on the side away from the cover 201 and rotatably connected to the valve cap 2. The first magnet 201a and the second magnet 202 are both arc-shaped sheet structures made of neodymium iron boron material. The first magnet 201a and the second magnet 202 are respectively embedded in the cover 201 and the valve cap 2. The valve cap 2 has a protrusion 205 near the outer edge of the second magnet 202. The protrusion 205 can easily open the cover.

[0034] Reference Figure 3 and Figure 5The locking part 101 is annular, and the inner diameter of the valve cap 2 is equal to the outer diameter of the locking part 101. The inner side of the valve cap 2 can be aligned with the locking part 101 for easy positioning. At the same time, an annular limiting part 203 is provided at the end of the valve cap 2 away from the cover 201. The inner diameter of the annular limiting part 203 is smaller than the inner diameter of the locking part 101. A gap is provided between the locking part 101 and the end of the valve body 1, and the gap is equal to the length of the valve cap 2. A rubber sealing ring 204 is provided on the inner side of the valve cap 2, and the rubber sealing ring 204 can be inserted into the end of the valve body 1. When the annular limiting part 203 is connected to the locking part 101, the end of the valve cap 2 corresponds to the end of the valve body 1. The rubber sealing ring 204 provided on the inner side of the cover 2 can seal the valve body 1 to prevent dust and water from entering.

[0035] The implementation principle is as follows: When this application is in use, when inflation is required, the cap 201 on the valve cap 2 is opened through the protrusion 205, and then the valve cap 2 is moved along the valve body 1. After the end of the valve body 1 is exposed, inflation is performed. The valve cap 2 is on the valve body 1 and will not be lost or omitted. After inflation is completed, the valve cap 2 is moved to the end of the valve body 1. Since the valve body 1 is provided with a snap-fit ​​part 101, and the valve cap 2 is provided with an annular limiting part 203, when the annular limiting part 203 is connected to the snap-fit ​​part 101, the cap 201 can be attracted by the first magnet 201a and the second magnet 202 to seal the valve cap 2. At this time, the rubber sealing ring 204 on the inner side of the cap 201 is connected to the end of the valve body 1, which achieves a good sealing effect.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A valve structure, characterized in that: The valve body includes a valve stem body (1), with a valve stem cap (2) and a connecting seat (3) connected to both ends of the valve stem body (1). The valve stem cap (2) is a hollow sleeve and can slide on the valve stem body (1). A cap (201) is movably provided at one end of the valve stem cap (2), which can close the valve stem body (1). A snap-fit ​​part (101) is provided on the valve stem body (1), which can connect with the end of the valve stem cap (2) away from the cap (201).

2. The valve structure according to claim 1, characterized in that: The cap (201) is rotatably connected to the valve cap (2).

3. The valve structure according to claim 1, characterized in that: The cap (201) is a circular plate structure. One side of the cap (201) is rotatably connected to the valve cap (2). A first magnet (201a) is provided on the cap (201), and a second magnet (202) is provided on the valve cap (2) at the position corresponding to the first magnet (201a). The second magnet (202) and the first magnet (201a) attract each other.

4. The valve structure according to claim 3, characterized in that: The first magnet (201a) is located inside the cap (201). The first magnet (201a) is located away from the cap (201) and is rotatably connected to the valve cap (2). The first magnet (201a) and the second magnet (202) are both arc-shaped sheet structures made of neodymium iron boron material. The first magnet (201a) and the second magnet (202) are respectively embedded in the cap (201) and the valve cap (2).

5. A valve structure according to claim 1, characterized in that: The locking part (101) is annular, and the inner diameter of the valve cap (2) is equal to the outer diameter of the locking part (101). The valve cap (2) is provided with an annular limiting part (203) at one end away from the cover (201). The inner diameter of the annular limiting part (203) is smaller than the inner diameter of the locking part (101).

6. The valve structure according to claim 1, characterized in that: The latching part (101) and the end of the valve body (1) are provided with a gap, and the gap is equal to the length of the valve cap (2).

7. A valve structure according to claim 1, characterized in that: The valve cap (2) is provided with a rubber sealing ring (204) on its inner side, and the rubber sealing ring (204) can be inserted into the end of the valve body (1).

8. A valve structure according to claim 1, characterized in that: The valve body (1) is an "L" shaped bend. The longer section of the valve body (1) is connected to the valve cap (2), and the shorter section of the valve body (1) is connected to the connecting seat (3).

9. A valve structure according to claim 1, characterized in that: Both the valve cap (2) and the connecting seat (3) are provided with anti-slip parts on their outer sides.

10. A valve structure according to claim 3, characterized in that: The valve cap (2) has a protrusion (205) on its outer edge near the second magnet (202).