Spiral sealing air tap

Abstract

According to the spiral sealing air tap, the sealing air tap is designed to be provided with the hard threaded base and the spiral cover, the sealing edge of the spiral cover is matched with the sealing gasket, the spiral cover is screwed clockwise, the sealing edge can tightly abut against the sealing gasket, at the moment, the interior of the air tap is closed, and air cannot flow outwards; when the screw cap is unscrewed anticlockwise, the sealing edge is not in tight contact with the sealing gasket, and airflow passes through the gap; by means of the design, the hard material cannot cause the air leakage phenomenon due to extrusion deformation, the rotary knob type operation can achieve the effect of controlling the air leakage speed and the air leakage amount by rotating the tightness degree of the spiral cover according to personal needs, and operation is easy and control is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing gas nozzles, in particular to a spiral sealing gas nozzle. Background Art

[0002] The existing sealing air nozzle design is generally made of soft material, and the air flow channel is blocked by a soft plug, which is prone to leakage due to extrusion and deformation. In addition, the soft plug needs to be pulled out when deflation, which is inconvenient to operate and difficult to control the deflation speed to achieve the purpose of controlling the deflation amount. Therefore, the structure of this type of sealing air nozzle needs to be further improved. Utility Model Content

[0003] In view of this, the utility model provides a spiral sealing gas nozzle. Aiming at the problems of the prior art, a spiral cover is designed to cooperate with the sealed gas nozzle to solve the existing technical problems.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A spiral sealing air nozzle comprises a threaded base, wherein the threaded base is provided with an air flow channel passing through the threaded base, and is characterized in that: a closing step for sealing the air flow channel is provided on the inner side of the top of the air flow channel, a sealing groove is formed between the outer edge of the through hole in the middle of the closing step and the inner side of the top of the air flow channel, a sealing gasket is provided in the sealing groove, an external thread is provided on the outer side of the upper part of the air flow channel, a corresponding spiral cover is provided on the upper part of the air flow channel, an internal thread corresponding to the external thread is provided on the inner side of the spiral cover, and a sealing edge corresponding to the sealing groove and against the sealing gasket is provided on the inner side of the top of the spiral cover.

[0006] Furthermore, at least one air leakage hole is arranged on the outer side of the top sealing edge of the screw cap.

[0007] Furthermore, a limiting protrusion capable of clamping the upper side of the inner thread of the screw cap is arranged at the top of the outer edge of the airflow channel.

[0008] Furthermore, the sealing gasket is made of rubber or silicone.

[0009] The beneficial effects of the utility model are:

[0010] The utility model designs the sealing gas nozzle into a hard threaded base and a screw cover, the sealing edge of the screw cover cooperates with the sealing gasket, and the screw cover is tightened clockwise, the sealing edge will tightly abut the sealing gasket, at this time the inside of the gas nozzle is closed, and the gas cannot flow out; the screw cover is loosened counterclockwise, at this time the sealing edge is no longer in close contact with the sealing gasket, and the gas flow passes through the gap; with this design, the hard material will not cause leakage due to extrusion deformation, and the twist-type operation can control the exhaust speed and exhaust amount according to personal needs by rotating the tightness of the screw cover, and the operation is simple and easy to control. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a cross-sectional schematic diagram of the spiral sealing gas nozzle in the utility model;

[0012] Figure 2 It is a schematic diagram of the disassembly of the spiral sealing gas nozzle in the utility model.

[0013] The following are the descriptions of the reference numerals:

[0014] 1 is a threaded base, 2 is an air flow channel, 3 is a closing step, 4 is a through hole, 5 is a sealing groove, 6 is a sealing gasket, 7 is a screw cover, 8 is a sealing edge, 9 is an air leakage hole, and 10 is a limiting protrusion. DETAILED DESCRIPTION

[0015] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0016] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0017] In order to reduce air leakage and facilitate operation and use, the specific contents of the utility model are as follows.

[0018] Combination Figure 1 and Figure 2 As shown, the embodiment of the utility model is a spiral sealing gas nozzle, comprising a threaded base 1, the threaded base 1 is provided with an air flow channel 2 penetrating the threaded base 1, and importantly, a closing step 3 for sealing the air flow channel 2 is provided on the inner side of the top of the air flow channel 2, a sealing groove 5 is formed between the outer edge of the through hole 4 in the middle of the closing step 3 and the inner side of the top of the air flow channel 2, a sealing gasket 6 is provided in the sealing groove 5, an outer outer side of the upper part of the air flow channel 2 is provided, a corresponding spiral cover 7 is provided on the upper part of the air flow channel 2, an inner side of the spiral cover 7 is provided with an inner thread corresponding to the outer thread, and a sealing edge 8 corresponding to the sealing groove 5 and abutting against the sealing gasket 6 is provided on the inner side of the top of the spiral cover 7;

[0019] In this design, the sealing gas nozzle is designed to be a hard threaded base 1 and a screw cover 7. The sealing edge 8 of the screw cover 7 cooperates with the sealing gasket 6. When the screw cover 7 is tightened clockwise, the sealing edge 8 will tightly contact the sealing gasket 6. At this time, the inside of the gas nozzle is closed and the gas cannot flow out; when the screw cover 7 is loosened counterclockwise, the sealing edge 8 is no longer in close contact with the sealing gasket 6, and the air flow passes through the gap therebetween; its hard material will not cause leakage due to extrusion and deformation, and the twist-type operation can control the speed and amount of gas leakage by rotating the screw cover 7 according to personal needs. The operation is simple and easy to control.

[0020] Preferably, at least one air leakage hole 9 is provided on the outer side of the top sealing edge 8 of the screw cap 7, and the gas can be discharged directly from the air leakage hole 9 without the need to be discharged from the side, which is more convenient for discharge.

[0021] Preferably, a limiting protrusion 10 is provided at the top of the outer edge of the airflow channel 2, which can clamp the upper side of the inner thread of the screw cover 7, mainly clamping the inner side of the top of the screw cover 7 to prevent the screw cover 7 from falling off.

[0022] Preferably, the sealing pad 6 is made of rubber or silicone. When necessary, the soft material cooperates with the sealing edge 8 to achieve a good sealing effect.

[0023] The threaded base 1 and the screw cap 7 are made of ABS plastic or PVC plastic, and similar hard materials are required to prevent air leakage due to extrusion deformation.

[0024] The above is only for explaining the implementation mode of the utility model and is not used to limit the utility model. For those skilled in the art, any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the utility model without creative work should be included in the protection scope of the utility model.

Claims

1. A spiral sealing gas nozzle, comprising a threaded base, wherein the threaded base is provided with an air flow channel penetrating the threaded base, characterized in that: A closing step for sealing the airflow channel is arranged on the inner side of the top of the airflow channel, a sealing groove is formed between the outer edge of the through hole in the middle of the closing step and the inner side of the top of the airflow channel, a sealing gasket is arranged in the sealing groove, an external thread is arranged on the outer side of the upper part of the airflow channel, a corresponding screw cover is arranged on the upper part of the airflow channel, an internal thread corresponding to the external thread is arranged on the inner side of the screw cover, and a sealing edge corresponding to the sealing groove and against the sealing gasket is arranged on the inner side of the top of the screw cover.

2. The spiral sealing gas nozzle according to claim 1, characterized in that: At least one air leakage hole is arranged on the outer side of the top sealing edge of the screw cap.

3. The spiral sealing gas nozzle according to claim 1, characterized in that: The top of the outer edge of the airflow channel is provided with a limiting protrusion which can clamp the upper side of the inner thread of the screw cap.

4. The spiral sealing gas nozzle according to claim 1, characterized in that: The sealing gasket is made of rubber or silicone.

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