Air tap and air rod and valve core thereof

Abstract

The utility model provides an air tap which comprises an air rod and a valve core detachably connected to one end of the air rod, the air rod is provided with a first connecting part, the valve core is provided with a second connecting part, the outer wall of the first connecting part is provided with external threads, and the inner wall of the second connecting part is provided with internal threads. And the air rod and the valve core are screwed together through the first connecting part and the second connecting part. In addition, the utility model further provides an air rod and a valve core.

Description

Technical Field

[0001] The utility model relates to the technical field of gas nozzles, in particular to a gas nozzle and a gas rod and a valve core thereof. Background Art

[0002] A bicycle air valve is a key component for inflating a bicycle. It typically consists of a valve stem, a valve core, and a retaining ring, which secures the valve to the bicycle tire. Specifically, the valve stem has external threads, while the retaining ring has internal threads. These threads screw together to secure the valve to the tire.

[0003] However, existing air nozzles typically utilize a connection method in which the valve core is threaded onto the interior of the air stem. This involves threading the valve core onto the interior of the air stem using external threads and internal threads. This requires threads on both the inner and outer walls of the air stem, which results in a thinner air stem and makes it susceptible to breakage. Furthermore, as the valve core is threaded onto the interior of the air stem, the air stem must withstand the torque and axial forces generated by the valve core's rotation, which can also cause the air stem to break. Furthermore, since the valve core is fixed to the interior of the air stem, processing and maintenance of the valve core are also inconvenient. Utility Model Content

[0004] In view of this, the present application provides a gas nozzle, a gas stem and a valve core thereof, so as to reduce the risk of gas stem rupture and facilitate the processing and maintenance of the valve core.

[0005] In the first aspect, the present application provides an air nozzle, which includes an air rod and a valve core detachably connected to one end of the air rod, the air rod is provided with a first connecting part, the valve core is provided with a second connecting part, the outer wall of the first connecting part is provided with an external thread, and the inner wall of the second connecting part is provided with an internal thread, the air rod and the valve core are screwed together through the first connecting part and the second connecting part.

[0006] Furthermore, an outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

[0007] Furthermore, a limiting portion is protruded from an end of the second connecting portion away from the gas rod, so that the gas rod can be screwed in until it abuts against the limiting portion.

[0008] Furthermore, a sealing sleeve is provided inside the valve core, and the sealing sleeve is located on a side of the limiting portion close to the gas rod to fill the gap between the gas rod and the limiting portion.

[0009] In the second aspect, the present application provides a gas rod, which is provided with a first connecting part to be connected to the second connecting part of the valve core, the outer wall of the first connecting part is provided with an external thread, and the inner wall of the second connecting part is provided with an internal thread, and the gas rod and the valve core are screwed together through the first connecting part and the second connecting part.

[0010] Furthermore, an outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

[0011] In the third aspect, the present application provides a valve core, which is sleeved on a gas rod, the gas rod is provided with a first connecting part, and the valve core is provided with a second connecting part; the outer wall of the first connecting part is provided with an external thread, and the inner wall of the second connecting part is provided with an internal thread, and the gas rod and the valve core are screwed together through the first connecting part and the second connecting part.

[0012] Furthermore, an outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

[0013] Furthermore, a limiting portion is protruded from an end of the second connecting portion away from the gas rod, so that the gas rod can be screwed in until it abuts against the limiting portion.

[0014] Furthermore, a sealing sleeve is provided inside the valve core, and the sealing sleeve is located on a side of the limiting portion close to the gas rod to fill the gap between the gas rod and the limiting portion.

[0015] The aforementioned air nozzle, its air stem, and valve core are provided with external threads on the exterior of the air stem and internal threads on the interior of the valve core, so that the valve core is screwed onto the exterior of the air stem. That is, the air stem of the present application only needs to be provided with threads on the outer wall. Therefore, the air stem of the present application is thicker than a conventional air stem and is therefore less prone to breakage. During the process of screwing the valve core onto the exterior of the air stem, the torque and axial force between the valve core and the air stem act on the valve core rather than the air stem, thereby reducing the risk of the air stem breaking. Furthermore, since the valve core is screwed onto the exterior of the air stem, the valve core is easily repaired and processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0017] Figure 1 It is a schematic structural diagram of an air nozzle without a locking ring provided in an embodiment of the present application.

[0018] Figure 2 It is a schematic structural diagram of the gas nozzle with a locking ring provided in an embodiment of the present application.

[0019] Figure 3 This is an exploded view of the gas nozzle provided in an embodiment of the present application.

[0020] Figure 4 It is a cross-sectional view of the valve core provided in an embodiment of the present application.

[0021] Description of the accompanying drawings:

[0022] Gas nozzle-1 second connection part-121

[0023] Gas rod-11 internal thread-122

[0024] First connecting part-111 Limiting part-123

[0025] External thread-112 Sealing sleeve-124

[0026] Valve core-12 fixed ring 13

[0027] The realization of the objectives, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0029] The terms "first," "second," "third," "fourth," and the like (if any) in the specification and claims of this application and in the accompanying drawings are used to distinguish similar items of planning and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate; in other words, the embodiments described are implemented in an order other than that illustrated or described herein. In addition, the terms "including" and "having," and any variations thereof, may also encompass other content. For example, a process, method, system, product, or apparatus comprising a series of steps or units need not be limited to only those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to these processes, methods, products, or apparatus.

[0030] It should be noted that the descriptions of "first", "second", etc. in this application are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more of the said features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0031] Please see Figure 1 , Figure 1 The structure of a gas nozzle without a locking ring, provided in an embodiment of the present application, is illustrated. This application provides a gas nozzle 1 comprising a gas stem 11 and a valve core 12, which are detachably connected. In this embodiment, the gas stem 11 and valve core 12 are both made of metal. In some feasible embodiments, the gas stem 11 and valve core 12 can also be made of other materials to meet the requirements of the present application.

[0032] Please refer to Figure 3 , Figure 3 The structure of each part of the gas nozzle provided in the embodiment of the present application is illustrated. The gas stem 11 is provided with a first connecting portion 111, which is the portion of the gas stem 11 used to connect to the valve core 12. Correspondingly, the valve core 12 is provided with a second connecting portion 121, which is the portion of the valve core 12 used to connect to the gas stem 11. The first connecting portion 111 and the second connecting portion 121 cooperate with each other to detachably connect the gas stem 11 and the valve core 12 together. In this embodiment, the outer diameter of the first connecting portion 111 is smaller than the inner diameter of the second connecting portion 121. At the same time, the outer wall of the first connecting portion 111 is provided with an external thread 112, which is used to screw with the valve core 12. The inner wall of the second connecting portion 121 is provided with an internal thread 122, which is used to screw with the gas stem 11. In other words, the valve core 12 in the present application is screwed to the outside of the gas stem 11.

[0033] Please see Figure 2 , Figure 1The structure of the air nozzle with a locking ring provided in an embodiment of the present application is illustrated. It is understandable that, since the present application employs a connection method in which the valve core 12 is screwed to the exterior of the air stem 11, the present application provides external threads on the exterior of the air stem 11. Even if the air nozzle 1 also includes a retaining ring 13 for securing the air nozzle 1 to the bicycle tire, the external threads on the exterior of the air stem 11 can also be used to screw with the retaining ring 13, without affecting the use of the retaining ring 13. In other words, the air stem 11 of the present application only needs to be threaded on its outer wall. Therefore, the air stem 11 of the present application is thicker than a traditional air stem (one in which the valve core is screwed to the interior of the air stem), making it less prone to cracking. Furthermore, when the valve core 12 is screwed to the exterior of the air stem 11, the valve core must withstand the torque and axial force generated by the rotation of the air stem. This means that these torque and axial forces act on the valve core rather than the air stem, thereby reducing the risk of cracking the air stem 11. In addition, since the valve core 12 is screwed to the outside of the gas rod 11, the processing of the valve core 12 can be facilitated. At the same time, maintenance personnel can also easily check whether the valve core 12 has any faults, thereby facilitating the maintenance of the valve core 12.

[0034] Please refer to Figure 4 , Figure 4 The cross-sectional structure of the valve core provided in the embodiment of the application is shown. A limiting portion 123 and a sealing sleeve 124 are further provided inside the valve core 12. The limiting portion 123 is used to limit the position of the gas rod 11 screwed into the inside of the valve core 12, and the sealing sleeve 124 is used to improve the air tightness of the gas nozzle 1. Specifically, a limiting portion 123 is convexly provided on the end of the second connecting portion 121 away from the gas rod 11, so that the gas rod 11 is screwed in until it abuts against the limiting portion 123. The sealing sleeve 124 is located on the side of the limiting portion 123 close to the gas rod 11 to fill the gap between the gas rod 11 and the limiting portion 123, thereby improving the air tightness of the connection between the gas rod 11 and the valve core 12.

[0035] In the above-described embodiment, the valve core is screwed to the exterior of the gas stem by providing an external thread on the exterior of the gas stem and an internal thread on the interior of the valve core. That is, the gas stem of the present application only needs to be provided with threads on the outer wall. Therefore, the gas stem of the present application is thicker than a conventional gas stem and is therefore less susceptible to breakage. During the process of screwing the valve core to the exterior of the gas stem, the torque and axial force between the valve core and the gas stem act on the valve core rather than the gas stem, thereby reducing the risk of gas stem breakage. Furthermore, since the valve core is screwed to the exterior of the gas stem, maintenance and processing of the valve core are facilitated.

[0036] The above are only preferred embodiments of the present invention, but do not limit the scope of the patent of the present invention. Although the present invention has been described in detail with reference to the above embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the above embodiments or to replace some of the technical features therein with equivalents. Any equivalent structure made by using the contents of the present invention specification and drawings, directly or indirectly applied to other related technical fields, shall also fall within the scope of protection of the present invention patent.

Claims

1. A gas nozzle, characterized in that: The gas nozzle includes a gas rod and a valve core detachably connected to one end of the gas rod. The gas rod is provided with a first connecting part, and the valve core is provided with a second connecting part. The outer wall of the first connecting part is provided with an external thread, and the inner wall of the second connecting part is provided with an internal thread. The gas rod and the valve core are screwed together through the first connecting part and the second connecting part.

2. The gas nozzle according to claim 1, characterized in that An outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

3. The gas nozzle according to claim 1, characterized in that A limiting portion is protruded from the inner side of one end of the second connecting portion away from the gas rod, so that the gas rod can be screwed in until it abuts against the limiting portion.

4. The gas nozzle according to claim 3, characterized in that A sealing sleeve is further provided inside the valve core. The sealing sleeve is located on a side of the limiting portion close to the gas rod to fill the gap between the gas rod and the limiting portion.

5. A gas rod, characterized in that: The gas rod is provided with a first connection part to be connected to the second connection part of the valve core. The outer wall of the first connection part is provided with an external thread, and the inner wall of the second connection part is provided with an internal thread. The gas rod and the valve core are screwed together through the first connection part and the second connection part.

6. The gas rod according to claim 5, characterized in that An outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

7. A valve core, characterized in that: The valve core is sleeved on the gas rod, the gas rod is provided with a first connecting part, and the valve core is provided with a second connecting part; the outer wall of the first connecting part is provided with an external thread, and the inner wall of the second connecting part is provided with an internal thread, and the gas rod and the valve core are screwed together through the first connecting part and the second connecting part.

8. The valve core according to claim 7, characterized in that An outer diameter of the first connecting portion is smaller than an inner diameter of the second connecting portion.

9. The valve core according to claim 7, characterized in that: A limiting portion is protruded from the inner side of one end of the second connecting portion away from the gas rod, so that the gas rod can be screwed in until it abuts against the limiting portion.

10. The valve core according to claim 9, characterized in that A sealing sleeve is further provided inside the valve core. The sealing sleeve is located on a side of the limiting portion close to the gas rod to fill the gap between the gas rod and the limiting portion.

Images