CN218499929U

CN218499929U - Inert sealing near-zero-emission structure of nitrogen sealing gas circulation system

Info

Publication number: CN218499929U
Application number: CN202222899183.8U
Authority: CN
Inventors: 周蒙; 李海涛; 蔡鹏鹏; 李劲; 戴昊伦
Original assignee: Hunan Litai Environmental Engineering Co ltd
Current assignee: Hunan Litai Environmental Engineering Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-02-21
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses an inertia of nitrogen-sealed gas circulation system seals nearly zero release structure, including inlet pipe and the sealed lid with the inlet pipe adaptation, sealed bottom side middle part of the lid is provided with the central support body that extends toward the inlet pipe lower extreme, the upside inner of inlet pipe is provided with the support ring groove that extends down, the periphery of central support body lower extreme is provided with the sealed end that extends into the support ring groove, the face rigid coupling that sealed end and support ring groove contact has the sealed pad, forms the seal chamber between the central support body tip and the inlet pipe inboard simultaneously, the surface of sealed lid is provided with the intake pipe that communicates with the seal chamber; the utility model discloses the realization carries out the sealed protection of multilayer to the storage bin for the effect of the nearly zero release of nitrogen gas in the storage bin has prolonged the replacement cycle of nitrogen gas, reduces the number of times of opening of sealed lid, realizes prolonging its live time to the protection of sealed lid simultaneously.

Description

Inert sealing near-zero-emission structure of nitrogen sealing gas circulation system

Technical Field

The utility model relates to a sealed field of storage especially relates to a nitrogen seals nearly zero release structure of lazy seal of gas circulation system.

Background

The food adopts nitrogen seal to prevent the food from contacting with air and being corroded by oxidation, thereby achieving the purpose of fresh-keeping, the prior circulating nitrogen seal system with the publication number of CN203467562U can recycle nitrogen to the maximum extent, so as to achieve the purpose of saving resources, but because the feed inlet end of the food storage bin generally adopts the traditional sealing gasket sealing method, if a fine gap exists at the feed inlet, the nitrogen can escape from the gap, meanwhile, external oxygen enters the storage bin, when the oxygen reaches a certain amount, the nitrogen needs to be extracted out and separated from the oxygen and then led into the storage bin for recycling, thereby not only shortening the replacement period of the nitrogen, but also opening and closing the feed inlet each time, the sealing structure of the feed inlet is worn, and simultaneously, the replacement period of the sealing structure is increased, therefore, the inert seal near-zero emission structure of the nitrogen seal gas circulation system is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a nearly zero release structure of inert seal of nitrogen seal gas circulation system to the replacement cycle that has not only increased nitrogen gas that proposes in solving above-mentioned background art has increased the problem that seal structure changed the cycle simultaneously again.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a nitrogen seals nearly zero release structure of gas circulation system's inertia, including inlet pipe and with the sealed lid of inlet pipe adaptation, sealed bottom side middle part of the cover is provided with the central supporter that extends toward the inlet pipe lower extreme, the upside inner of inlet pipe is provided with down the support annular that extends, central supporter lower extreme periphery is provided with the sealed end that extends toward supporting in the annular, sealed end has sealed the pad with the face rigid coupling that supports the annular contact, simultaneously form sealed chamber between central supporter week end and the inlet pipe inboard, the surface of sealed lid is provided with the intake pipe that communicates with sealed chamber.

As a preferred technical scheme of the utility model, the tip of sealed lid downside has along the bracing piece that supports the annular inner wall toward the lower extreme extension along annular equidistance rigid coupling, bracing piece downside and sealed end butt, and the tip of bracing piece lower extreme is provided with the installation annular, the joint has the spring leaf to sealed end centre gripping in the installation annular.

As a preferred technical scheme of the utility model, the outer peripheral end of inlet pipe upper end is provided with supports the edge, sealed lid downside size with support along size adaptation, and the outer peripheral end of sealed lid is provided with along supporting the go-between that extends along the outside down the end, go-between and support connect soon between along.

As a preferred technical scheme of the utility model, sealed lid and support have the sealing washer along gomphosis between the contact surface.

As a preferred technical scheme of the utility model, the reinforcement that has X type structure is run through at central support body middle part.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model discloses a sealed lid of the integral type structure that sets up, central support body and sealed end support the sealed support of filling up sealed to sealed end of annular cooperation simultaneously for central support body week end forms sealed chamber, again toward filling inert gas in the sealed chamber, realize carrying out the sealed protection of multilayer to the storage storehouse, make the effect of the nearly zero release of nitrogen gas in the storage storehouse, prolonged the replacement cycle of nitrogen gas, reduce the number of times of opening of sealed lid, realize the protection to sealed lid simultaneously, prolong its live time.

Drawings

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

fig. 2 is a schematic structural view of the sealing end and the feeding pipe of the present invention.

Wherein: 1. a feed pipe; 2. a sealing cover; 3. a central support; 4. sealing the cavity; 5. sealing the end; 6. a support bar; 61. mounting a ring groove; 7. a gasket; 8. a spring plate; 9. a support ring groove; 10. a seal ring; 11. an air inlet pipe; 12. a reinforcing member.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, the present invention provides an inert sealing near zero emission structure of a nitrogen-sealed gas circulation system, including a feed pipe 1 and a sealing cover 2 adapted to the feed pipe 1, the outer peripheral end of the upper end of the feed pipe 1 is provided with a supporting edge, the lower side of the sealing cover 2 is adapted to the supporting edge in size, and the outer peripheral end of the sealing cover 2 is provided with a connecting ring extending from the outer side to the lower end along the supporting edge, the connecting ring is screwed to the supporting edge, a sealing ring 10 is embedded between the sealing cover 2 and the supporting edge contact surface, the middle part of the bottom side of the sealing cover 2 is provided with a central supporting body 3 extending to the lower end of the feed pipe 1, the inner end of the upper side of the feed pipe 1 is provided with a supporting ring groove 9 extending downwards, the periphery of the lower end of the central supporting body 3 is provided with a sealing end 5 extending into the supporting ring groove 9, the sealing ring groove 5 is fixedly connected to the surface contacting the supporting ring groove 9, a sealing pad 7 is formed between the inner side of the central supporting body 3 and the feed pipe 1, a sealing cavity 4 is provided on the surface of the feed pipe 2, the sealing cover 2, the sealing end 3 and the sealing ring 5 are of the sealing ring 11 communicated with the sealing ring 4, the sealing cover 2, and the sealing ring are of the sealing ring 5, thereby increasing the overall stability and the strength of the sealing cover 2;

in this embodiment, when the sealing cover 2 is installed, the central support body 3 is first placed at the coaxial position of the upper end of the feeding pipe 1, the sealing cover 2 is moved toward the lower end, the sealing end 5 at the lower end of the sealing cover 2 slides downward along the surface of the supporting ring groove 9, then the sealing end is screwed to the peripheral end of the supporting edge through the connecting ring of the sealing cover 2, the lower end of the sealing end 5 is placed at the inner upper side of the supporting ring groove 9, and the sealing between the sealing end 5 and the feeding pipe 1 is realized by matching with the use of the sealing gasket 7, then nitrogen is filled into the storage bin, inert gas is filled into the sealing chamber 4 by matching with the use of the air inlet pipe 11, the sealing between the sealing cover 2 and the feeding pipe 1 is realized through the inert gas, zero emission of nitrogen in the storage bin and inert gas in the sealing chamber 4 is separated by matching with the use of the sealing end 5 and the sealing gasket 7, multi-layer sealing protection is performed on the storage bin, the effect of the nitrogen in the storage bin close to the nitrogen in the nitrogen is realized, the nitrogen replacement period is prolonged, the opening times of the sealing cover 2 are reduced, and the protection of the sealing cover 2 is realized at the same time.

As shown in fig. 2, in the embodiment, the supporting rod 6 extending from the inner wall of the supporting ring groove 9 to the lower end is fixedly connected to the circumferential end of the lower side of the sealing cover 2 along the ring shape at equal intervals, the lower side of the supporting rod 6 abuts against the sealing end 5, the circumferential end of the lower end of the supporting rod 6 is provided with a mounting ring groove 61, and a spring piece 8 clamping the sealing end 5 is clamped in the mounting ring groove 61;

in this embodiment, through the bracing piece 6 that sets up and the spring leaf 8 of cooperation joint in installation annular 61, play the power that supports downwards to sealed end 5, and then make sealed end 5 downside closely laminate with the 9 downside of support annular, improve sealed effect between them.

As shown in fig. 1, the present embodiment discloses that a reinforcing member 12 of an X-shaped structure is inserted through the center support 3, and the strength of the center support 3 is increased by the reinforcing member 12 provided in the center support 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitrogen seals nearly zero release structure of lazy of gas circulation system, includes inlet pipe (1) and with sealed lid (2) of inlet pipe (1) adaptation, its characterized in that: sealed lid (2) bottom side middle part is provided with central supporter (3) toward inlet pipe (1) lower extreme extension, the upside inner of inlet pipe (1) is provided with support annular (9) down extending, central supporter (3) lower extreme periphery is provided with sealed end (5) toward supporting extension in annular (9), sealed end (5) have sealed the pad (7) with the face rigid coupling that supports annular (9) contact, simultaneously form sealed chamber (4) between central supporter (3) week end and inlet pipe (1) inboard, the surface of sealed lid (2) is provided with intake pipe (11) with sealed chamber (4) intercommunication.

2. An inert-sealing near-zero-emission structure of a nitrogen-sealed gas circulation system according to claim 1, characterized in that: the week end of sealed lid (2) downside has along supporting bracing piece (6) that annular (9) inner wall extended toward the lower extreme along annular equidistance rigid coupling, bracing piece (6) downside and sealed end (5) butt, and the week end of bracing piece (6) lower extreme is provided with installation annular (61), joint has spring leaf (8) to sealed end (5) centre gripping in installation annular (61).

3. An inert-sealing near-zero-emission structure of a nitrogen-sealed gas circulation system according to claim 1, characterized in that: the outer peripheral end of inlet pipe (1) upper end is provided with supports along, sealed lid (2) downside size with support along size adaptation, and the outer peripheral end of sealed lid (2) is provided with along supporting the go-between that extends along the outside toward the lower extreme, go-between and support connect soon between along.

4. An inert-sealing near-zero-emission structure of a nitrogen-sealed gas circulation system according to claim 2, characterized in that: and a sealing ring (10) is embedded between the sealing cover (2) and the supporting edge contact surface.

5. An inert-sealing near-zero-emission structure of a nitrogen-sealed gas circulation system according to claim 1, characterized in that: the middle part of the central supporting body (3) is penetrated with a reinforcing piece (12) with an X-shaped structure.