CN213064798U

CN213064798U - Inflation valve

Info

Publication number: CN213064798U
Application number: CN202021635406.4U
Authority: CN
Inventors: 王春峰; 李正桃; 刘峰; 宋琦
Original assignee: Changzhou Tongmin Machinery Technology Co ltd
Current assignee: Changzhou Tongmin Machinery Technology Co ltd
Priority date: 2020-08-09
Filing date: 2020-08-09
Publication date: 2021-04-27
Anticipated expiration: 2030-08-09

Abstract

The utility model relates to an inflation valve, which comprises a valve body and a valve core; the upper end of the valve body is an external thread cylinder which is connected with equipment to be inflated; the lower end of the valve body is also provided with an external thread cylinder, and a hexagonal nut can be connected to the external thread cylinder at the lower end of the valve body to play a role in dust prevention; the upper end of the center of the valve body is provided with an upper step hole, the lower end of the center of the valve body is provided with a lower step hole, and the upper step hole and the lower step hole are transited and communicated through a conical surface; the valve core is a standard valve core, one end of the valve core, which is provided with a rubber tube, upwards enters the valve body from the lower step hole and is fixed with the internal thread at the bottom of the lower step hole through the external thread of the valve core, and the sealing ring outside the fixed valve core and the conical surface inside the valve body form sealing connection. The utility model discloses utilize simple valve body structural design, make the inflation valve volume diminish, solved the complicated degree of difficulty of original inflation valve structure, when having simplified assembly process, guaranteed sealed fail safe nature.

Description

Inflation valve

Technical Field

The utility model relates to a valving field, especially an inflation valve.

Background

The inflation valve is a one-way valve for filling gas, and the inflation valve on the market has a complex structure, high requirements on the machining precision of the matching surface of the valve core and the valve body, high machining difficulty and difficult assembly.

Disclosure of Invention

The utility model aims to solve the technical problem that an inflation valve is provided, the structure is small and exquisite simple, and the processing is easy, opens the sensitivity, and the proclaim oneself can be good, can satisfy the requirement of aerifing completely.

In order to solve the technical problem, the utility model discloses a realize according to following mode: the utility model discloses an inflation valve, which comprises a valve body and a valve core; the upper end of the valve body is an external thread cylinder which is connected with equipment to be inflated; the lower end of the valve body is also provided with an external thread cylinder, and a hexagonal nut can be connected to the external thread cylinder at the lower end of the valve body to play a role in dust prevention; the upper end of the center of the valve body is provided with an upper step hole, the lower end of the center of the valve body is provided with a lower step hole, and the upper step hole and the lower step hole are transited and communicated through a conical surface; the valve core is a standard valve core, one end of the valve core, which is provided with a rubber tube, upwards enters the valve body from the lower step hole and is fixed with the internal thread at the bottom of the lower step hole through the external thread of the valve core, and the sealing ring outside the fixed valve core and the conical surface inside the valve body form sealing connection.

An annular groove is arranged on a step plane at the bottom of the thread of the external thread cylinder at the upper end of the valve body, and an O-shaped ring is arranged in the annular groove.

The upper end of the main body of the valve core is hollow, the lower end of the main body is a solid cylinder, a small hole and a hollow part are formed in the side face of the cylinder at the lower end, and a soft rubber pipe is sleeved on the cylinder at the lower end.

The outer thread cylinder at the upper end of the valve body is connected with the outer thread cylinder at the lower end of the valve body through a hexagonal boss.

The utility model discloses an actively the effect: an inflation valve, utilize simple valve body structural design, make the inflation valve volume diminish, solved the complicated degree of difficulty of original inflation valve structure, when having simplified assembly process, guaranteed sealed fail safe nature.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the valve body.

In the figure: 1 valve body, 2 valve cores, 3O type circle, 4 hex nut, 5 last step holes, 6 lower step holes, 7 conical surfaces, 8 screw holes.

Detailed Description

As shown in fig. 1 and fig. 2 in the drawings attached to the specification, the inflation valve of the present invention comprises a valve body 1 and a valve core 2; the upper end of the valve body 1 is an external thread cylinder which is connected with equipment to be inflated; the lower end of the valve body 1 is also an external thread cylinder, and a hexagonal nut 4 can be connected to the external thread cylinder at the lower end; the external thread cylinder at the upper end of the valve body 1 is connected with the external thread cylinder at the lower end through a hexagonal boss; the upper end of the center of the valve body 1 is provided with an upper step hole 5, the lower end of the center of the valve body is provided with a lower step hole 6, and the upper step hole 5 and the lower step hole 6 are transited and communicated through a conical surface 7; the valve core 2 is a standard valve core, one end of the valve core 2, which is provided with a rubber tube, upwards enters the valve body 1 from the lower step hole 6 and is fixed with the internal thread at the bottom of the lower step hole 6 through the external thread of the valve core 2, and the sealing ring outside the valve core 2 and the conical surface 7 inside the valve body 1 form sealing connection after the valve core is fixed.

An annular groove is formed in a step plane at the bottom of the thread of the external thread cylinder at the upper end of the valve body 1, an O-shaped ring 3 is placed in the annular groove, and the O-shaped ring 3 plays a role in sealing when the external thread cylinder is connected with a device needing inflation.

The upper end of the main body of the valve core 2 is hollow, the lower end of the main body is a solid cylinder, a small hole and a hollow part are formed in the side face of the cylinder at the lower end, a soft rubber pipe is sleeved on the cylinder at the lower end, and the soft rubber pipe covers the small hole.

The utility model discloses a working process is: a inflation valve, when using, unscrew hexagon nut 4, is connected this end and the inflation instrument of inflation valve, and the other end is connected with needs inflation equipment, and when inflation instrument moved, compressed gas got into case 2 through the hollow part of 2 main parts of case, and air pressure "jacks" elastic soft rubber tube, and during gas gets into and treats inflation equipment, soft rubber tube tightened up when the inflation instrument not moved, covers the aperture of 2 sides of case, makes gas can not discharge from having inflated equipment.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Claims

1. An inflation valve, characterized in that: comprises a valve body and a valve core; the upper end of the valve body is an external thread cylinder which is connected with equipment to be inflated; the lower end of the valve body is also provided with an external thread cylinder, and a hexagonal nut can be connected to the external thread cylinder at the lower end of the valve body to play a role in dust prevention; the upper end of the center of the valve body is provided with an upper step hole, the lower end of the center of the valve body is provided with a lower step hole, and the upper step hole and the lower step hole are transited and communicated through a conical surface; the valve core is a standard valve core, one end of the valve core, which is provided with a rubber tube, upwards enters the valve body from the lower step hole and is fixed with the internal thread at the bottom of the lower step hole through the external thread of the valve core, and the sealing ring outside the fixed valve core and the conical surface inside the valve body form sealing connection.

2. An inflation valve as claimed in claim 1, wherein: an annular groove is arranged on a step plane at the bottom of the thread of the external thread cylinder at the upper end of the valve body, and an O-shaped ring is arranged in the annular groove.

3. An inflation valve as claimed in claim 1, wherein: the upper end of the main body of the valve core is hollow, the lower end of the main body is a solid cylinder, a small hole and a hollow part are formed in the side face of the cylinder at the lower end, and a soft rubber pipe is sleeved on the cylinder at the lower end.

4. An inflation valve as claimed in claim 1, wherein: the outer thread cylinder at the upper end of the valve body is connected with the outer thread cylinder at the lower end of the valve body through a hexagonal boss.