CN219573646U - Sealed collection system - Google Patents

Abstract

The utility model relates to a sealed collecting device which comprises a collecting cavity, a metal sealing part and a rubber sealing part, wherein the collecting cavity comprises a collecting cavity upper cover and a collecting cavity base, the collecting cavity upper cover is in butt joint with the collecting cavity base to form a cavity, two or more than two matching interfaces are sequentially formed between the collecting cavity upper cover and the collecting cavity base in the butt joint direction, and the metal sealing part and the rubber sealing part are respectively arranged on the matching interfaces. So set up, sealed collection system is complicated with the route of gas-liquid phase through setting up two and the cooperation interface more than two, and the gas-liquid phase of collection intracavity leaks the cavity or gathers the outside gas-liquid phase seepage of cavity and advance the cavity and all need pass through two and the cooperation interface more than two to strengthened the leakproofness that gathers the cavity, set up metal seal portion and rubber seal portion and form dual leak protection, thereby realize that the sealed collection system of inflammable and explosive micromolecular gas has higher security and leak protection.

Description

Sealed collection system

Technical Field

The utility model relates to the technical field of seal collection, in particular to a seal collection device.

Background

The sealing device for flammable and explosive small molecular gas generally has higher requirement on leakage rate, and the leakage rate is required to be ensured to be less than 10 ^-9 pa*m ³ At present, a metal flange sealing method is mostly used, however, a single metal sealing method is easily influenced by sealing environment when sealing inflammable and explosive micromolecule gas, so that leakage rate is influenced, and environmental factors such as vacuum degree, temperature and the like can influence the leakage rate of the metal seal.

Disclosure of Invention

Based on the above, it is necessary to provide a sealed collection device, and the purpose is to provide a sealed collection device for flammable and explosive small molecular gas with high safety and leak resistance.

In order to achieve the above object, the present utility model proposes a seal collecting device, which includes a collecting cavity, a metal seal portion, and a rubber seal portion; wherein, the liquid crystal display device comprises a liquid crystal display device,

the collecting cavity comprises a collecting cavity upper cover and a collecting cavity base, the collecting cavity upper cover is in butt joint with the collecting cavity base to form a cavity, two or more than two matching interfaces are sequentially formed between the collecting cavity upper cover and the collecting cavity base in the butt joint direction, the edges of the matching interfaces are exposed to the first matching interface of the cavity, and the edges of the matching interfaces are exposed to the second matching interface outside the collecting cavity;

the metal sealing part is arranged on one of the first matching interface or the second matching interface;

the rubber sealing portion is arranged on the other of the first matching interface or the second matching interface.

Through the technical scheme, the path of gas and liquid phases is complicated by arranging two or more than two matching interfaces of the sealing collecting device, namely, the gas and liquid phases in the collecting cavity are leaked out of the cavity or the gas and liquid phases outside the collecting cavity leak into the cavity, and the sealing performance of the collecting cavity is enhanced by arranging two or more than two matching interfaces, and the metal sealing part and the rubber sealing part are respectively arranged at the first matching interface and the second matching interface so that the sealing collecting device forms double leakage protection, the metal sealing part can ensure that the collecting cavity has lower leakage rate under a stable environment, and the rubber sealing part can provide second-layer protection when the sealing environment is changed or unstable, so that the sealing collecting device for flammable and explosive small molecular gas has higher safety and leakage resistance.

In some embodiments of the present utility model, the mating interfaces have a height difference and an angle difference with respect to a horizontal interface; the collecting cavity upper cover and the collecting cavity base form a matching interface with a step structure at the joint, the first matching interface is one of the lowest step surface or the highest step surface of the step structure, and the second matching interface is the other of the lowest step surface or the highest step surface of the step structure.

In some embodiments of the present utility model, the collecting cavity upper cover includes a collecting cavity top cover and a collecting cavity middle part, the collecting cavity top cover is in butt joint with the collecting cavity middle part, the collecting cavity top cover and the collecting cavity middle part form a mating interface with an obtuse angle structure at the butt joint position, the first mating interface is a surface where one side of the obtuse angle structure is located, and the second mating interface is a surface where the other side of the obtuse angle structure is located.

Through foretell technical scheme, set up height difference and angle difference between the cooperation interface can effectively avoid the cavity to link to each other with external world is direct, and step structure and obtuse angle structure can both complicate the leakage path of gas liquid phase, further improve sealed collection system's leakproofness.

In some embodiments of the utility model, the metal sealing material of the metal sealing part is indium.

Through the technical scheme, the indium metal sealing part with low Mohs hardness and good ductility can flow in all directions under the action of pressure after being subjected to external pressure, so that gaps between the metal sealing part and a matching interface are filled, and the leakage rate of the metal sealing part is further reduced.

In some embodiments of the utility model, the shape of the metal seal portion made of indium is set according to the shape of the junction between the collection chamber upper cover and the collection chamber base.

Through the technical scheme, the indium metal sealing part can effectively solve the problem that the manufacturing cost of the sealing part is high because the metal sealing part suitable for the non-standard sealing port needs special customization, and particularly the sealing port with large caliber and special shape is high in customization cost, the indium metal sealing part has good ductility, the indium metal sealing is not required to be specially customized and processed for the sealing port, and the adaptation between the indium metal sealing part and the sealing port can be realized through field installation lap joint.

In some embodiments of the utility model, the rubber seal is a rubber ring; the rubber sealing material of the rubber sealing part is fluororubber.

Through the technical scheme, the fluororubber is a high-density organic molecule with higher Shore hardness, has good rebound resilience, can be tightly attached to a matching interface and form a good sealing state, can effectively seal small-molecule gas, and can effectively solve the problem that the melting point of an indium metal sealing part is lower by using the fluororubber as a second layer for protection of the indium metal sealing part, and when a high-temperature environment appears on one side of the fluororubber sealing part, the fluororubber sealing part can be prevented from being directly damaged by high temperature.

In some embodiments of the present utility model, when the cavity is internally positive and the cavity is externally negative, the metal seal is disposed at the first mating interface and the rubber seal is disposed at the second mating interface; when the cavity is negative pressure and positive pressure is applied to the outside of the cavity, the metal sealing part is arranged at the second matching interface, and the rubber sealing part is arranged at the first matching interface.

Through the technical scheme, the inside of the cavity is positive pressure, and the gas-liquid phase is easy to leak out of the cavity from the inside of the cavity under the condition that the outside of the cavity is negative pressure, so that the metal sealing part with better sealing performance is arranged on the first matching interface, and the sealing effect is better; the inside negative pressure that is of cavity, the outside gas-liquid phase is easy under the condition of positive pressure that is outside the cavity leak into the cavity inside from the cavity outside, sets up the better metal seal portion of sealing performance in the second cooperation interface this moment and has better sealed effect.

According to the sealed collection device provided by the technical scheme of the utility model, the paths of gas and liquid phases are complicated by arranging two or more than two matched interfaces, namely, the gas and liquid phases in the collection cavity leak out of the cavity or the gas and liquid phases outside the collection cavity leak into the cavity, and the two or more than two matched interfaces are needed to pass through, so that the tightness of the collection cavity is enhanced, the metal sealing part and the rubber sealing part are respectively arranged at the first matched interface and the second matched interface, so that the sealed collection device forms dual leakage protection, the metal sealing part can ensure that the collection cavity has lower leakage rate in a stable environment, and the rubber sealing part can provide second-layer protection when the sealed environment is changed or unstable, so that the sealed collection device for flammable and explosive small molecular gas has higher safety and leakage resistance.

Drawings

FIG. 1 is a schematic view of a seal acquisition device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a first view angle structure of a positive pressure step structure inside a cavity of an embodiment of a seal acquisition device according to the present utility model;

FIG. 3 is a schematic view of a first view angle structure of an obtuse angle structure with positive pressure inside a cavity of an embodiment of a seal collecting device of the utility model;

fig. 4 is a schematic view of a first view angle structure of a step structure with negative pressure inside a cavity in an embodiment of a seal collecting device according to the present utility model.

Reference numerals illustrate:

1000. sealing the collection device; 100. a collection chamber; 110. an acquisition cavity upper cover; 111. a collection chamber top cover; 112. the middle part of the collecting cavity; 120. a collection cavity base; 130. a cavity; 140. a mating interface; 141. a first mating interface; 142. a second mating interface; 150. a pull-out assembly; 200. a metal seal portion; 300. and a rubber sealing part.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present utility model proposes a seal collection device 1000, and the seal collection device 1000 includes a collection chamber 100, a metal seal portion 200 and a rubber seal portion 300. The collecting cavity 100 comprises a collecting cavity upper cover 110 and a collecting cavity base 120, the collecting cavity upper cover 110 is in butt joint with the collecting cavity base 120 to form a cavity 130, two or more than two matching interfaces 140 are sequentially formed between the collecting cavity upper cover 110 and the collecting cavity base 120 in the butt joint direction, the edges of the matching interfaces 140 are exposed to the first matching interfaces 141 of the cavity 130, the edges of the matching interfaces 140 are exposed to the second matching interfaces 142 outside the collecting cavity 100, the metal sealing part 200 is arranged on one of the first matching interfaces 141 or the second matching interfaces 142, and the rubber sealing part 300 is arranged on the other of the first matching interfaces 141 or the second matching interfaces 142.

The collection chamber upper cover 110 may be provided in other shapes such as a cylinder, a hemisphere, and a different shape, and is not particularly limited herein. The collection chamber base 120 may be provided in other shapes such as rectangular, cylindrical, and irregular, and is not particularly limited herein. The junction of the collection chamber top cover 110 and the collection chamber base 120 has a shape that fits into each other to form a cavity 130. The mating interface 140 refers to the shape of the junction of the collection chamber top cover 110 and the shape of the junction of the collection chamber base 120. The material of the metal seal portion 200 may be a metal such as red copper, silver, or indium, and is not particularly limited. The material of the rubber sealing portion 300 may be a high-density organic material such as fluororubber or natural rubber, and is not particularly limited. The metal seal part 200 and the rubber seal part 300 may be provided in various places according to the design requirement of the collection chamber 100, and are not particularly limited herein. For example, referring to fig. 1, the collection chamber 100 may be provided with a pull-out assembly 150, with a metal seal 200 and a rubber seal 300 disposed at a mating interface 140 between the pull-out assembly 150 and the collection chamber 100.

By arranging the two or more matching interfaces 140, the path of gas and liquid phases is complicated by the sealing collecting device 1000, namely, the gas and liquid phases in the collecting cavity 100 leak out of the cavity 130 or the gas and liquid phases outside the collecting cavity 100 leak into the cavity 130, and the sealing performance of the collecting cavity 100 is enhanced by the two or more matching interfaces 140, the metal sealing part 200 and the rubber sealing part 300 are respectively arranged at the first matching interface 141 and the second matching interface 142, so that the sealing collecting device 1000 forms double leakage protection, the metal sealing part 200 can ensure that the collecting cavity 100 has lower leakage rate under a stable environment, and the rubber sealing part 300 can provide second-layer protection when the sealing environment is changed or unstable, thereby realizing higher safety and leakage protection of the sealing collecting device 1000 for flammable and explosive small molecular gas.

Specifically, the mating interfaces 140 have a height difference and an angle difference with respect to the horizontal interface. Illustratively, the collection chamber upper cover 110 and the collection chamber base 120 form a mating interface 140 having a stepped configuration at the interface, the first mating interface 141 being one of a lowest stepped surface or a highest stepped surface of the stepped configuration, and the second mating interface 142 being the other of the lowest stepped surface or the highest stepped surface of the stepped configuration. The number of the step surfaces of the step structure may be two or more, and is not particularly limited herein.

Illustratively, the collection chamber upper cover 110 includes a collection chamber top cover 111 and a collection chamber middle portion 112, the collection chamber top cover 111 is in butt joint with the collection chamber middle portion 112, the collection chamber top cover 111 and the collection chamber middle portion 112 form a mating interface 140 with an obtuse angle structure at the butt joint, the first mating interface 141 is a surface where one side of the obtuse angle structure is located, and the second mating interface 142 is a surface where the other side of the obtuse angle structure is located. It should be noted that, the top cover 111 of the collection chamber and the middle portion 112 of the collection chamber may also form a mating interface 140 having an acute angle structure and a right angle structure at the joint, and the height difference and the angle difference between the mating interfaces 140 may be determined according to the joint setting of the collection chamber 100, which is not particularly limited herein. So set up, set up the difference in height and angle between the cooperation interface 140 can effectively avoid cavity 130 to link to each other with external world is direct, and step structure and obtuse angle structure both can complicate the leakage path of gas liquid phase, further improve sealed collection system 1000's leakproofness.

Preferably, the metal sealing material of the metal sealing portion 200 is indium. The metal sealing material of the metal sealing portion 200 may be a metal having high ductility such as red copper or silver, and is not particularly limited. In this way, the indium metal seal part 200 with low mohs hardness and good ductility flows in all directions under the action of pressure after being subjected to external pressure, so that the gap between the metal seal part 200 and the matching interface 140 is filled, and the leakage rate of the metal seal part 200 is further reduced.

Further, the shape of the metal sealing part 200 made of indium is set according to the shape of the junction of the collection chamber upper cover 110 and the collection chamber base 120. Illustratively, the indium metal seal 200 may be provided as indium filaments that are bent to shape in use according to the shape of the interface. By the arrangement, the problem that the manufacturing cost of the sealing piece is high due to the fact that the metal sealing piece suitable for the non-standard sealing port needs to be specially customized can be effectively solved, particularly, the large-caliber special-shaped sealing port is high in custom-made cost, the indium metal sealing portion 200 has good ductility, the sealing port is not required to be specially customized to be processed by indium metal sealing, and the adaptation between the indium metal sealing piece and the sealing port can be achieved through field installation lap joint.

Preferably, the rubber sealing portion 300 is a rubber ring; the rubber sealing material of the rubber sealing portion 300 is fluororubber. So set up, the fluororubber is the high density organic molecule that has higher shore hardness, has good resilience, can closely laminate and form good sealing state with the cooperation interface 140 between, can effectively seal small molecule gas, and the biggest high temperature resistant temperature of fluororubber can reach 300 ℃, uses fluororubber as the second floor protection of indium metal seal portion 200 can effectively solve the lower problem of indium metal seal portion 200 fusing point, when the high temperature environment appears in one side that is equipped with fluororubber seal portion 300, fluororubber seal portion 300 can avoid indium metal seal portion 200 directly to receive the high temperature and destroy.

Specifically, when the interior of the cavity 130 is positive pressure, the exterior of the cavity 130 is negative pressure, the metal seal part 200 is disposed at the first mating interface 141, and the rubber seal part 300 is disposed at the second mating interface 142; when the inside of the cavity 130 is negative pressure and the outside of the cavity 130 is positive pressure, the metal seal part 200 is disposed on the second mating interface 142, and the rubber seal part 300 is disposed on the first mating interface 141. The arrangement is that the inside of the cavity 130 is positive pressure, and the gas-liquid phase is easy to leak out of the cavity 130 from the inside of the cavity 130 under the condition that the outside of the cavity 130 is negative pressure, so that the metal sealing part 200 with better sealing performance is arranged on the first matching interface 141, and has better sealing effect; the inside of the cavity 130 is negative pressure, and the gas-liquid phase is easy to leak into the cavity 130 from the outside of the cavity 130 under the condition that the outside of the cavity 130 is positive pressure, and the metal sealing part 200 with better sealing performance is arranged on the second matching interface 142 at this time, so that a better sealing effect is achieved.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A seal acquisition device, the seal acquisition device comprising:

the collecting cavity comprises a collecting cavity upper cover and a collecting cavity base, wherein the collecting cavity upper cover is in butt joint with the collecting cavity base to form a cavity, two or more than two matching interfaces are sequentially formed between the collecting cavity upper cover and the collecting cavity base in the butt joint direction, the edges of the matching interfaces are exposed to the first matching interface of the cavity, and the edges of the matching interfaces are exposed to the second matching interface outside the collecting cavity;

a metal seal disposed at one of the first mating interface or the second mating interface;

and the rubber sealing part is arranged on the other of the first matching interface or the second matching interface.

2. The seal acquisition device of claim 1, wherein the mating interfaces have a height difference and an angle difference with respect to a horizontal interface.

3. The seal collection device of claim 1, wherein the collection chamber upper cover and the collection chamber base form a mating interface with a stepped structure at a junction, the first mating interface being one of a lowest stepped surface or a highest stepped surface of the stepped structure, the second mating interface being the other of the lowest stepped surface or the highest stepped surface of the stepped structure.

4. The sealed collection device according to claim 1, wherein the collection chamber upper cover comprises a collection chamber top cover and a collection chamber middle part, the collection chamber top cover is in butt joint with the collection chamber middle part, the collection chamber top cover and the collection chamber middle part form a matching interface with an obtuse angle structure at a butt joint position, the first matching interface is a surface where one side of the obtuse angle structure is located, and the second matching interface is a surface where the other side of the obtuse angle structure is located.

5. The seal collection device of claim 1, wherein the rubber seal is a rubber ring.

6. The seal collection device according to claim 1, wherein the rubber seal material of the rubber seal portion is fluororubber.

7. The seal collection device of claim 1, wherein the metal seal material of the metal seal portion is indium.

8. The seal collection device of claim 7, wherein the shape of the metal seal portion of indium is configured according to the shape of the junction of the collection chamber top cover and the collection chamber base.

9. The seal collection device of any one of claims 1-8, wherein when positive pressure is provided within the cavity and negative pressure is provided outside the cavity, the metal seal is disposed at the first mating interface and the rubber seal is disposed at the second mating interface.

10. The seal collection device of any one of claims 1-8, wherein when a negative pressure is provided within the cavity and a positive pressure is provided outside the cavity, the metal seal is disposed at the second mating interface and the rubber seal is disposed at the first mating interface.