Sealing air tap with reverse pushing and abutting sealing structure

Abstract

The utility model provides a sealing air tap with a reverse pushing and abutting sealing structure, which comprises an upper contact rubber ring, an air tap main body and an air filter casing, and a group of upper supporting seats used for keeping the upper contact rubber ring stably installed are arranged at the lower end of the upper contact rubber ring. The lower end of the upper supporting seat is provided with a group of air tap main bodies used for keeping the air tap sealed in the air guide process, each air tap main body comprises an embedding seat, a spring, a sealing plug and a lower air guide groove, and the overlook cross section of the shell is of a hexagonal prismatic structure. Compared with the prior art, the air spring has the advantages that the spring is compressed through the inner limiting seat, and then pressure air passes through the lower air guide groove, passes through the embedding seat, the inner space of the inner core and the interior of the vent groove and is guided out; and the reverse action of the spring can actively drive the sealing plug head, the inner sealing ring and the inner limiting seat to be in sealing fit with the embedded seat and the inner connection position of the inner core, so that the air flowing space is reversely pushed and sealed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sealed gas nozzle technical field relates to a sealed gas nozzle with reverse push to seal structure. BACKGROUND

[0002] The existing sealed gas nozzle in reverse push to seal structure aspect existing defects mainly manifest in the sealing performance is unstable, durability is poor and the operation complexity. The reason of these shortcomings usually with the physical properties of sealing material, structure design and use environment are related. For example, sealing material can be deformed or aged under high temperature, high pressure or chemical corrosion environment, leading to the sealing effect to drop.

[0003] The conventional coping method includes using more high temperature and high pressure resistant material, optimizing the sealing structure design. However, these methods also have disadvantages. Although using higher grade material can improve the durability, the cost is often higher, and can increase the weight and complexity of the overall system;Optimization design although can reduce stress concentration, but can need to redesign the whole gas nozzle structure, leading to the increase of cost and time, therefore, now urgently needed a sealed gas nozzle with reverse push to seal structure to solve the above problems. SUMMARY

[0004] In view of the deficiencies existing in the prior art, the utility model aims at providing a sealed gas nozzle with reverse push to seal structure, solving the problems raised in the above background art.

[0005] The utility model realizes the following technical scheme: a sealed gas nozzle with reverse push to seal structure, comprising: upper contact rubber ring and air filter cover, the lower end of the upper contact rubber ring is provided with a group of upper support seats for keeping the stable installation of the upper contact rubber ring, the lower end of the upper support seat is provided with a group of gas nozzle main bodies for keeping the sealing of the gas nozzle during the gas guiding process;

[0006] The gas nozzle main body includes a seat and a lower gas guiding groove, and the gas nozzle main body further includes a shell, the shell has a hexagonal prismatic structure in the horizontal cross section, a group of inner embedding grooves with convex structures are arranged at the middle position of the shell, and a group of seats are arranged at the middle position of the shell for embedding and connecting with the inner side of the shell.

[0007] As a preferred embodiment, the lower end of the seat is provided with a group of inner cores for guiding air, the seat and the inner core are an integral structure, and the seat and the inner core are mutually sealed and embedded in the inner embedding groove, and the inner core and the seat are hollow structures.

[0008] As a preferred implementation, the inner core upper end inner side is provided with a group of pressure bearing grooves for bearing the reverse force of the external pressure environment air, the pressure bearing groove is an arc concave structure, and the inner core upper end inner side is provided with a group of air flow grooves for air flow.

[0009] As a preferred implementation, the air flow groove is a ring structure in the top view, and the inner core upper end inner side is provided with a group of inner cores for driving the inner limiting seat, the inner sealing ring and the sealing plug head to move up and down.

[0010] As a preferred implementation, the inner core lower end is provided with a group of inner limiting seats for limiting the lower end position of the spring, the front side of the inner limiting seat is a convex structure in the cross section, and the middle position of the inner limiting seat is provided with a group of inner sealing rings for sealing the inner connection between the inner core and the embedding seat.

[0011] As a preferred implementation, the inner sealing ring is sealingly connected with the inner connection between the inner core and the embedding seat, the lower end of the embedding seat is provided with a group of sealing plug heads for mutual positioning and embedding with the inner connection between the inner core and the embedding seat, the sealing plug head and the embedding seat are an integral structure, and the outer side of the inner limiting seat and the inner core is provided with a group of springs for limiting the positions of the inner limiting seat, the inner sealing ring and the sealing plug head.

[0012] As a preferred implementation, the lower threaded connection end of the air nozzle body is provided with a group of lower threaded connection ends for installing different air nozzle connectors, and the inner side of the lower threaded connection end is provided with a group of inner separation net racks for maintaining stable air flow distribution.

[0013] As a preferred implementation, the inner separation net rack is provided with a plurality of groups of air filter covers for filtering dust in the air, the inner side of the upper contact rubber ring is provided with a group of upper connection screw holes for threaded connection with the external air guide pipeline, and the inner wall of the upper connection screw hole is provided with an inner sealing rubber lining for maintaining threaded sealing connection. By using the air filter cover to filter the dust in the introduced pressure gas, the upper contact rubber ring can maintain the sealing effect during the pressure air conveying process to prevent air leakage during the inflation process.

[0014] The beneficial effects of the utility model are that: the spring is compressed by the inner limiting seat, then the pressure air is guided out through the embedding seat, the inner core internal space and the air passage, when the pressure air release is stopped, the reverse action of the spring actively drives the sealing plug, the inner sealing ring and the inner limiting seat to seal the embedding seat and the inner core internal connection position, so as to reversely push and seal the air flow space;

[0015] The air filter cover is used to filter the dust in the guided pressure air, and the upper contact rubber ring can keep the sealing effect in the pressure air conveying process, so as to prevent air leakage in the inflation process. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the drawings without the creative labor for the ordinary skilled in the art.

[0017] Figure 1 It is a front view structure schematic diagram of the sealing air nozzle with the reverse push and seal structure of the utility model;

[0018] Figure 2 It is a bottom view structure position schematic diagram of the inner separation net frame in the sealing air nozzle with the reverse push and seal structure of the utility model;

[0019] Figure 3 It is a front side view structure schematic diagram of the embedding seat and the inner core in the sealing air nozzle with the reverse push and seal structure of the utility model;

[0020] Figure 4 It is a vertical sectional view of the embedding seat and the inner core internal structure in the sealing air nozzle with the reverse push and seal structure of the utility model;

[0021] In the drawing: 100-upper contact rubber ring, 110-upper connecting screw hole, 120-upper support seat, 130-air nozzle main body, 140-lower support seat, 150-inner separation net frame, 160-air filter cover;

[0022] 13a-embedding seat, 13b-inner core, 13c-pressure bearing groove, 13d-movable core, 13e-air passage, 13f-spring, 13g-inner limiting seat, 13h-inner sealing ring, 13i-sealing plug, 13j-lower air guide groove. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] Please refer to Figures 1-4 A sealing gas nozzle with reverse pushing sealing structure, comprising: an upper contact rubber ring 100, a gas nozzle body 130 and an air filter cover 160, the upper end of the upper contact rubber ring 100 is provided with a group of upper support seats 120 for stably installing the upper contact rubber ring 100, and the lower end of the upper support seat 120 is provided with a group of gas nozzle bodies 130 for keeping the sealing during the gas guiding process.

[0025] The gas nozzle body 130 comprises an embedding seat 13a, a spring 13f, an inner limiting seat 13g, a sealing plug 13i and a lower gas guiding groove 13j, and further comprises a shell, the horizontal cross section of the shell is a hexagonal structure, a group of inner embedding grooves with convex structures are arranged at the middle position of the inner part of the shell, and a group of embedding seats 13a for mutually embedding connection with the inner side of the shell are arranged at the middle position of the inner part of the shell.

[0026] The lower end of the embedding seat 13a is provided with a group of inner cores 13b for guiding air, the embedding seat 13a and the inner core 13b are integrated structures, and the embedding seat 13a and the inner core 13b are mutually sealed and embedded with the inner part of the inner embedding groove, and the inner core 13b and the embedding seat 13a are both hollow structures.

[0027] The inner side of the upper end of the inner core 13b is provided with a group of pressure bearing grooves 13c for bearing the reverse force of the air in the external pressure environment, the pressure bearing groove 13c is an arc concave structure, and a group of air passing grooves 13e for passing air are arranged at the middle position of the inner part of the pressure bearing groove 13c.

[0028] Please refer to Figures 1-4 As the first embodiment of the present application, when the staff guides the external pressure air into the sealing gas nozzle, the pressure air is guided into the inner part of the lower gas guiding groove 13j, then the pressure gas extrudes the sealing plug 13i, the inner sealing ring 13h and the inner limiting seat 13g upwards, and the spring 13f is compressed through the inner limiting seat 13g, then the pressure air is guided out through the inner space of the embedding seat 13a, the inner core 13b and the air passing groove 13e, and when the release of the pressure gas is stopped, the reverse action of the spring 13f actively drives the sealing plug 13i, the inner sealing ring 13h and the inner limiting seat 13g to be sealed and matched with the inner connection position of the embedding seat 13a and the inner core 13b, so as to reversely push and seal the air flowing space.

[0029] The air vent 13e is in a ring shape in a top view, and a group of inner cores 13b for driving the inner limiting seats 13g, the inner sealing rings 13h and the sealing plugs 13i to move up and down are arranged at the middle of the air vent 13e, and the diameter of the inner cores 13b in a top view is two-thirds of the diameter of the air vent 13e.

[0030] The inner limiting seats 13g are arranged at the lower end of the inner cores 13b for limiting the position of the lower end of the springs 13f, and the front side of the inner limiting seats 13g is in a convex shape, and a group of inner sealing rings 13h for keeping the inner cores 13b and the embedding seats 13a sealed are arranged at the outside of the middle of the inner limiting seats 13g.

[0031] The inner limiting seats 13g are arranged at the lower end of the inner cores 13b for limiting the position of the lower end of the springs 13f, and the front side of the inner limiting seats 13g is in a convex shape, and a group of inner sealing rings 13h for keeping the inner cores 13b and the embedding seats 13a sealed are arranged at the outside of the middle of the inner limiting seats 13g.

[0032] The lower threaded connection end for installing different air nozzle connectors is arranged at the lower end of the air nozzle body 130, and a group of inner separation net racks 150 for keeping the air flow stable and separated are arranged in the lower threaded connection end.

[0033] The air filter covers 160 for filtering the dust in the air are arranged in the inner separation net racks 150, and a group of upper connecting screw holes 110 for being screwed with the external air guide pipes are arranged at the inner side of the upper contact rubber rings 100, and the inner sealing rubber liners for keeping the screwing sealed are arranged on the inner wall of the upper connecting screw holes 110.

[0034] Please refer to Figures 1-4 , as the first embodiment of the utility model: based on the above-mentioned embodiment, further, by using the air filter cover 160 to filter the dust in the imported pressure gas, and the upper contact rubber ring 100 can keep the sealing effect in the pressure air conveying process, so as to prevent air leakage in the inflation process.

[0035] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A seal gas nozzle having a reverse push-to-seal configuration, comprising: The upper contact rubber ring (100), the air nozzle main body (130) and the air filter cover (160) are characterized in that: the upper end of the upper contact rubber ring (100) is provided with a group of upper support seats (120) for stably installing the upper contact rubber ring (100), and the lower end of the upper support seat (120) is provided with a group of air nozzle main bodies (130) for sealing the air guiding process of the air nozzle. The air nozzle main body (130) comprises an embedding seat (13a), a spring (13f), a sealing plug (13i) and a lower air guiding groove (13j), the lower end of the embedding seat (13a) is provided with a group of inner cores (13b) for guiding air into the embedding seat (13a), the embedding seat (13a) and the inner core (13b) are integrated structures, and the embedding seat (13a) and the inner core (13b) are mutually sealed and embedded in the inner embedding groove, and the inner core (13b) and the embedding seat (13a) are hollow structures.

2. A seal gas nozzle having a reverse push-to-seal configuration according to claim 1, wherein: The air nozzle main body (130) further comprises an outer shell, the outer shell has a hexagonal cross-section when viewed from above, the inner middle part of the outer shell is provided with a group of inner embedding grooves with convex cross-sections, and the inner middle part of the outer shell is provided with a group of embedding seats (13a) for being embedded and connected with the inner side of the outer shell.

3. A seal gas nozzle having a reverse thrust seal according to claim 2, wherein: The inner side of the upper end of the inner core (13b) is provided with a group of pressure bearing grooves (13c) for bearing the reverse force of the air in the external pressure environment, the pressure bearing groove (13c) is an arc concave structure, and the inner middle part of the pressure bearing groove (13c) is provided with a group of air passing grooves (13e) for passing air.

4. A seal gas nozzle having a reverse thrust seal according to claim 3, wherein: The air passing groove (13e) has a ring-shaped cross-section when viewed from above, the inner middle part of the air passing groove (13e) is provided with a group of inner cores (13b) for driving the up-and-down movement of the inner limiting seat (13g), the inner sealing ring (13h) and the sealing plug (13i), and the cross-sectional diameter of the inner core (13b) is two-thirds of the cross-sectional diameter of the air passing groove (13e) when viewed from above.

5. A seal gas nozzle having a reverse thrust seal according to claim 4, wherein: The lower end of the inner core (13b) is provided with a group of inner limiting seats (13g) for limiting the position of the lower end of the spring (13f), the front side of the inner limiting seat (13g) has a convex cross-section, and the outer side of the middle part of the inner limiting seat (13g) is provided with a group of inner sealing rings (13h) for sealing the connection between the inner core (13b) and the embedding seat (13a).

6. A seal gas nozzle having a reverse thrust seal according to claim 5, wherein: The inner sealing ring (13h) is sealingly connected with the inner core (13b) and the embedding seat (13a), the lower end of the embedding seat (13a) is provided with a group of sealing plugs (13i) for being positioned and embedded with the connection between the inner core (13b) and the embedding seat (13a), the sealing plug (13i) and the embedding seat (13a) are integrated structures, and the outer side of the inner limiting seat (13g) and the inner core (13b) is provided with a group of springs (13f) for limiting the positions of the inner limiting seat (13g), the inner sealing ring (13h) and the sealing plug (13i).

7. A seal gas nozzle having a reverse thrust seal according to claim 1, wherein: The lower end of the air nozzle main body (130) is provided with a group of lower threaded connection ends for installing different air nozzle connectors, and the inner part of the lower threaded connection end is provided with a group of inner separating net racks (150) for stably separating the air flow.

8. A seal gas nozzle having a reverse thrust seal according to claim 7, wherein: The inner partition net frame (150) is internally distributed with several groups of air filter covers (160) for filtering air internal dust, the inner side of the upper contact rubber ring (100) is provided with a group of upper connecting screw holes (110) for threadedly connecting with external air guide pipes, and the inner wall of the upper connecting screw holes (110) is provided with an inner sealing rubber lining for maintaining thread sealing connection.

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