CN220047641U - Gas circuit communication assembly and gas adsorption device - Google Patents

Abstract

The utility model discloses a gas path communication assembly and a gas adsorption device, wherein the gas path communication assembly comprises: the mounting seat is internally provided with an air chamber and is provided with a first end, a first pipe hole is formed in the first end, and the first pipe hole is communicated with the air chamber; the mounting seat compresses tightly the piece, and the mounting seat compresses tightly the piece to have the second end, and the second end ends to support in first end, is equipped with the second tube hole on the second end, and the second tube hole runs through the compressing tightly the piece, and second tube hole and the coaxial setting of first tube hole, wherein, is equipped with the holding tank on at least one of second end and the first end, and the holding tank is used for installing the sealing member, compresses tightly the detachable setting of piece on the mounting seat. The gas circuit communication assembly compresses the mounting seat through the detachable compressing piece, so that the communication pipe is fixed and sealed, the number of parts of the joint assembly is reduced, the assembly and disassembly are convenient, the assembly is simple, and the tightness is improved.

Description

Gas circuit communication assembly and gas adsorption device

Technical Field

The utility model relates to the technical field of air passage communication, in particular to an air passage communication assembly and an air adsorption device.

Background

The gas adsorption industry uses capillary tubes when connecting gas paths, and uses stainless steel cutting sleeve joints when connecting the capillary tubes with the mounting blocks, so that the joints are required to be capable of connecting the metal mounting blocks with the capillary tubes and sealing the metal mounting blocks from air leakage. In the related art, through processing the internal thread hole on the installation piece, install on the installation piece after the public first external screw thread winding raw material area of cutting ferrule joint, capillary pipe cover upper seal circle and gasket install at cutting ferrule joint female head again, the public head and the female head screw thread cooperation of cutting ferrule joint to play the effect of fixed and sealed metal capillary.

However, in the above-mentioned mode of adopting cutting ferrule joint and installation piece threaded connection, because the conical tube screw thread of cutting ferrule joint is twisted the process and is more laborious, need twine the raw material area, its consuming time is long, inefficiency. When the clamping sleeve joint and the mounting block are mounted, the internal and external threads of the conical pipe thread of the clamping sleeve joint can be reaped, and metal plate fragments are easily generated in the gas path to influence and damage other instruments in the gas path. Moreover, in the installation mode, the compression degree of the sealing ring is inaccurate, and the tightness is at risk. The stainless steel cutting ferrule joint thread is conical pipe thread, and processing is more complicated to joint part is many, installs loaded down with trivial details, and joint part price is high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a gas path communication assembly, which can effectively solve the problems of laborious installation, low efficiency, easy generation of metal chips in the gas path, inaccurate compression degree of the sealing ring and high installation cost caused by threaded connection of the capillary tube and the installation block by adopting a clamping sleeve joint.

The utility model also aims to provide a gas adsorption device so as to apply the gas circuit communication assembly.

According to an embodiment of the utility model, a gas circuit communication assembly includes: the mounting seat is internally provided with an air chamber, the mounting seat is provided with a first end, a first pipe hole is formed in the first end, and the first pipe hole is communicated with the air chamber; the compressing element is provided with a second end, the second end is propped against the first end, a second pipe hole is formed in the second end, the second pipe hole penetrates through the compressing element, the second pipe hole and the first pipe hole are coaxially arranged, at least one of the second end and the first end is provided with a containing groove, the containing groove is used for installing a sealing element, and the compressing element is detachably arranged on the mounting seat.

According to the air passage communication assembly provided by the embodiment of the utility model, the mounting seat and the pressing piece are detachably connected, the end part is stopped, the mounting seat is provided with the first pipe hole, the pressing piece is provided with the second pipe hole, at least one of the second end and the first end is provided with the containing groove, the mounting and sealing of the connecting pipe and the sealing piece are facilitated, the air passage communication is further realized, the whole assembly is simple to mount and high in efficiency, the sealing effect of the sealing piece can be ensured, in addition, the number of whole parts is small, and the cost can be reduced.

In some embodiments, a detachable structure is disposed between the pressing member and the mounting base, and the detachable structure is disposed on at least two sides of the accommodating groove.

In some embodiments, the removable structure includes a threaded bore disposed on the first end, a through bore disposed on the second end and extending through the compression member, and a threaded fastener disposed through the through bore and disposed within the threaded bore.

In some embodiments, the detachable structure further includes a countersink, the through hole is disposed in the countersink, the threaded fastener includes a threaded portion and a limiting portion, the threaded portion is disposed in the through hole and the threaded hole, and the limiting portion is disposed in the countersink.

In some embodiments, the size of the threaded hole is larger than the size of the through hole in the axial direction of the first pipe hole.

In some embodiments, the two containers are a first container and a second container, the first container is disposed on the first end, the second container is disposed on the second end, the sealing element includes a first portion and a second portion that are connected, the first portion is disposed in the first container, and the second portion is disposed in the second container.

In some embodiments, a first conical surface is disposed at an end of the first container away from the second container, and a second conical surface is disposed at an end of the second container away from the first container.

In some embodiments, the first end has a first direction perpendicular to an axial direction of the first tube bore, and in the first direction, the compression member has a size smaller than a size of the mounting seat.

In some embodiments, the first end further has a second direction perpendicular to the first direction and the axial direction of the first tube bore, and in the second direction, the size of the compression member is smaller than the size of the mount.

The gas adsorption device according to the embodiment of the utility model comprises the gas path communication assembly.

According to the gas adsorption device provided by the embodiment of the utility model, the communicating pipe is installed by adopting the gas circuit communicating component, so that the installation and sealing are simpler, the installation efficiency is higher, the reliability is stronger, the cost is reduced, and the reliability of a gas adsorption device test is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a gas circuit communication assembly according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a gas circuit communication assembly in an embodiment of the utility model;

FIG. 3 is an enlarged schematic view of a portion of FIG. 2 at A;

FIG. 4 is a schematic view of a portion of a gas circuit communication assembly according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a compressing member according to an embodiment of the present utility model.

Reference numerals:

100. the air passage communication assembly;

1. a mounting base; 1a, an air chamber; 11. a first end; 111. a first container; 1111. a first conical surface; 112. a first tube hole;

2. a pressing member; 21. a second end; 211. a second accommodating groove; 2111. a second conical surface; 212. a second tube hole;

3. a seal; 31. a first portion; 32. a second portion;

4. a detachable structure; 41. a threaded hole; 42. a through hole; 43. sinking grooves; 5. and communicating pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring now to fig. 1-5, a gas circuit communication assembly 100 in accordance with an embodiment of the present utility model is described.

As shown in fig. 1, 2 and 3, the gas circuit communication assembly 100 according to the embodiment of the present utility model includes: a mounting seat 1 and a pressing piece 2. The inside of mount pad 1 is equipped with air chamber 1a, and mount pad 1 has first end 11, is equipped with first tube hole 112 on the first end 11, and first tube hole 112 intercommunication air chamber 1a. The pressing piece 2 is provided with a second end 21, the second end 21 is abutted against the first end 11, a second pipe hole 212 is formed in the second end 21, the second pipe hole 212 penetrates through the pressing piece 2, the second pipe hole 212 and the first pipe hole 112 are coaxially arranged, at least one of the second end 21 and the first end 11 is provided with a containing groove for installing the sealing piece 3, and the pressing piece 2 is detachably arranged on the mounting seat 1.

The air circuit communication assembly 100 is used for installing the communicating pipe 5, the communicating pipe 5 is sleeved with the sealing element 3, the communicating pipe 5 with the sealing element 3 is inserted into the first pipe hole 112 of the installation seat 1 and the second pipe hole 212 of the pressing element 2, the communicating pipe 5 is communicated with the air chamber 1a, the sealing element 3 is installed in the containing groove, the pressing element 2 is connected to the installation seat 1, the second end 21 of the pressing element 2 can press the first end 11 of the installation seat 1, the sealing element 3 is pressed and expanded in the containing groove, and therefore the sealing effect is achieved, and the communicating pipe 5 can be fixed.

When the communicating pipe 5 needs to be disassembled, the communicating pipe 5 and the sealing element 3 can be disassembled only by disassembling the pressing element 2 from the mounting seat 1. Wherein, the container can be arranged on the first end 11, the container can also be arranged on the second end 21, and the container can also be arranged on the first end 11 and the second end 21 at the same time.

The hold-down member 2 may include, but is not limited to, a plate-like member having a smaller thickness, or a block-like member having a larger thickness. And the above-mentioned sealing member 3 includes, but is not limited to, one of a seal ring, a seal block, and a gasket.

The gas path communication assembly 100 may be applied to a gas adsorption apparatus, and the communication pipe 5 may be a capillary made of metal, and gas enters the gas chamber 1a from the capillary to perform a gas adsorption test.

The mount pad 1 can have a plurality of first ends 11, correspondingly, compress tightly piece 2 also can be a plurality of, and a plurality of compress tightly piece 2 and first ends 11 one-to-one setting can realize mount pad 1 and a plurality of communicating pipes 5 intercommunication. Also, taking the gas path communication assembly 100 as an example applied in the gas adsorption device, there may be a plurality of capillaries, for example, three capillaries, and correspondingly, the mounting seat 1 has three first ends 11, and the pressing members 2 are three, so that two capillaries can be used for air intake and one capillary can be used for air exhaust in the scheme. Of course, the number of the first ends 11 and the compressing members 2 may be specifically set according to needs, and the air passage communication assembly 100 is not limited to an air adsorption device, and may be applied to other air supply devices that need to be provided, which will not be described in detail herein.

Compared with the mode of threaded connection of the clamping sleeve joint and the mounting block in the related art, the air circuit communication assembly 100 can compress the sealing element 3 on the communication pipe 5 in the containing groove through the compression element 2 and the second end 21 and the first end 11 of the mounting seat 1, so that the mounting and sealing of the communication pipe 5 are simpler, the raw material tape is not required to be wound in the process, the time consumption is shorter, and the efficiency is higher. Secondly, because the screw thread structure is not involved on the compressing piece 2 and the mounting seat 1, the problem of twisting can not occur, and metal scraps can not be generated in the air passage, thereby being beneficial to ensuring the safety of other instruments in the air passage. Secondly, the compression degree of the sealing element 3 can be accurate after the compression element 2 is connected with the mounting seat 1, and the risk of loose sealing is reduced. Because the structures of the pressing piece 2 and the mounting seat 1 are simpler, a thread structure does not exist, the processing is simpler, the number of the whole parts is less, and the cost is reduced.

According to the air passage communication assembly 100 provided by the embodiment of the utility model, the mounting seat 1 and the pressing piece 2 are detachably connected and the end parts are stopped, the first pipe hole 112 is formed in the mounting seat 1, the second pipe hole 212 is formed in the pressing piece 2, and at least one of the second end 21 and the first end 11 is provided with the containing groove, so that the mounting and sealing of the connecting pipe 5 and the sealing piece 3 are facilitated, the air passage communication is realized, the whole assembly is simple to mount and high in efficiency, the sealing effect of the sealing piece 3 can be ensured, and the whole parts are fewer, so that the cost can be reduced.

In some embodiments, as shown in fig. 1 and 2, a detachable structure 4 is provided between the pressing member 2 and the mounting base 1, and the detachable structure 4 is provided on at least two sides of the accommodating groove.

In this technical scheme, can dismantle structure 4 can establish in the both sides of holding tank, three side or four sides etc. and at least two can dismantle structure 4 make compress tightly piece 2 and mount pad 1 by the effect that compresses tightly in the both sides of holding tank better, be favorable to improving the installation fastness between compress tightly piece 2 and the mount pad 1 to and the seal effect that compresses tightly of sealing member 3.

For example, the detachable structure 4 may be provided with two, three, etc., which is advantageous in improving the reliability of the assembly. As shown in fig. 1 and 2, the number of the detachable structures 4 may be two, and the detachable structures are respectively arranged on the front side and the rear side of the accommodating groove.

Alternatively, the removable structure 4 may include, but is not limited to, a snap-fit connection, a threaded connection.

In some embodiments, as shown in fig. 2, the removable structure 4 includes a threaded bore 41, the threaded bore 41 being provided on the first end 11, a through bore 42 being provided on the second end 21 and extending through the compression member 2, and a threaded fastener (not shown) that extends through the through bore 42 and is provided within the threaded bore 41. In this technical scheme, compress tightly piece 2 and mount pad 1 through threaded fastener and screw hole 41 and through-hole 42 mutually supporting and be connected, adopt this kind of connected mode relatively simple, connect the reliability relatively better, the dismouting is also more convenient.

In some embodiments, as shown in fig. 2, the detachable structure 4 further includes a countersink 43, the through hole 42 is disposed in the countersink 43, the threaded fastener includes a threaded portion and a limiting portion, the threaded portion is disposed in the through hole 42 and the threaded hole 41, and the limiting portion is disposed in the countersink 43. In this technical scheme, whole threaded fastener is in countersink 43, through-hole 42 and screw hole 41, and threaded fastener can not bulge and compress tightly piece 2 promptly, can guarantee on the one hand that the surface of compressing tightly piece 2 is level and smooth, on the other hand effectively avoided in gas circuit communication subassembly 100 work, assembly etc. in-process threaded fastener receives the condition such as bump and causes the damage.

Optionally, threaded fasteners include, but are not limited to, bolts and screws, and the like. For example, when the threaded fastener is a bolt, the limiting portion may be referred to as a bolt head, and the threaded portion may be referred to as a threaded post, in which case the bolt head can be hidden within the countersink 43.

In some embodiments, as shown in fig. 2, the size of the threaded bore 41 is greater than the size of the through bore 42 in the axial direction of the first bore 112. In this solution, the area of engagement of the threaded portion of the threaded fastener with the threaded hole 41 is greater, the threaded fastener is more tightly connected with the mounting seat 1, and the assembly between the pressing member 2 and the mounting seat 1 is more reliable.

In some embodiments, as shown in fig. 3 and 4, the number of the grooves is two, and the grooves are respectively a first groove 111 and a second groove 211, the first groove 111 is disposed on the first end 11, the second groove 211 is disposed on the second end 21, the sealing member 3 includes a first portion 31 and a second portion 32 connected to each other, the first portion 31 is disposed in the first groove 111, and the second portion 32 is disposed in the second groove 211.

In this technical scheme, all offered the holding groove on first end 11 and the second end 21, sealing member 3 can divide into two parts, namely first part 31 and second part 32, and first part 31 and first holding groove 111 cooperate, and second part 32 and second holding groove 211 cooperate, just so make sealing member 3 and holding groove's contact surface bigger, and the area of sealed face also is bigger, and sealing member 3's sealed effect also will be better.

In some embodiments, as shown in fig. 3, a first conical surface 1111 is disposed at an end of the first container 111 away from the second container 211, and a second conical surface 2111 is disposed at an end of the second container 211 away from the first container 111. In this technical solution, during the compression process of the compression member 2, the first conical surface 1111 and the second conical surface 2111 compress the sealing member 3, which increases the acting force of the sealing member 3 and the first container 111 and the second container 211, and is beneficial to improving the fastening and sealing effects.

In some embodiments, as shown in fig. 1 and 2, the first end 11 has a first direction perpendicular to the axial direction of the first tube hole 112, in which the size of the pressing member 2 is smaller than the size of the mounting seat 1.

In this solution, the "first direction" may refer to the left-right direction in fig. 1 and 2, that is, the length direction of the mount 1, and the size of the pressing member 2 is smaller than that of the mount 1, which is advantageous for saving materials.

In some embodiments, as shown in fig. 1 and 2, the first end 11 further has a second direction perpendicular to the first direction and the axial direction of the first tube hole 112, and in the second direction, the size of the pressing member 2 is smaller than the size of the mounting seat 1. In this embodiment, the "second direction" may refer to the front-rear direction in fig. 1, that is, the length direction of the mounting base 1, that is, the width of the pressing member 2 is smaller than the width of the mounting base 1, and the length of the pressing member 2 is also smaller than the length of the mounting base 1, so that materials may be saved.

A gas adsorption apparatus according to an embodiment of the present utility model includes the gas circuit communication assembly 100 described above. As described above, the gas adsorption apparatus may further include the communication pipe 5, the sealing member 3 is provided on the communication pipe 5, and the communication pipe 5 and the sealing member 3 are installed in the gas path communication assembly 100. For example, the gas adsorption device may refer to a specific surface area adsorption instrument.

According to the gas adsorption device provided by the embodiment of the utility model, the communicating pipe 5 is installed through the gas circuit communicating assembly 100, so that the installation and sealing are simpler, the installation efficiency is higher, the reliability is stronger, the cost is reduced, and the reliability of the gas adsorption device test is improved.

Other constructions and operation of the air circuit communication assembly 100 according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present specification, reference to the terms "some embodiments," "what is to be construed as" or "optionally" and the like means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A gas circuit communication assembly, comprising:

the mounting seat is internally provided with an air chamber, the mounting seat is provided with a first end, a first pipe hole is formed in the first end, and the first pipe hole is communicated with the air chamber;

the compressing element is provided with a second end, the second end is propped against the first end, a second pipe hole is formed in the second end, the second pipe hole penetrates through the compressing element, the second pipe hole and the first pipe hole are coaxially arranged, a containing groove is formed in at least one of the second end and the first end, the containing groove is used for installing a sealing element, and the compressing element is detachably arranged on the mounting seat.

2. The air circuit communication assembly according to claim 1, wherein a detachable structure is arranged between the pressing piece and the mounting seat, and the detachable structure is arranged on at least two sides of the accommodating groove.

3. The gas circuit communication assembly of claim 2, wherein the removable structure includes a threaded bore provided on the first end, a through bore provided on the second end and extending through the compression member, and a threaded fastener disposed through the through bore and within the threaded bore.

4. A gas circuit communication assembly according to claim 3, wherein the removable structure further comprises a countersink, the through hole is disposed in the countersink, the threaded fastener comprises a threaded portion and a limit portion, the threaded portion is disposed in the through hole and the threaded hole, and the limit portion is disposed in the countersink.

5. A gas circuit communication assembly according to claim 3, wherein the size of the threaded hole is larger than the size of the through hole in the axial direction of the first tube hole.

6. The gas circuit communication assembly of claim 1, wherein the number of the first and second chambers is two, the first chamber is disposed at the first end, the second chamber is disposed at the second end, the seal comprises a first portion and a second portion connected to each other, the first portion is disposed in the first chamber, and the second portion is disposed in the second chamber.

7. The gas circuit communication assembly of claim 6, wherein a first conical surface is provided at an end of the first vessel remote from the second vessel, and a second conical surface is provided at an end of the second vessel remote from the first vessel.

8. The air circuit communication assembly of claim 1, wherein the first end has a first direction perpendicular to an axial direction of the first tube bore, and wherein the compression member has a size that is smaller than a size of the mounting seat in the first direction.

9. The gas circuit communication assembly of claim 8, wherein the first end further has a second direction perpendicular to the first direction and the axial direction of the first tube bore, the compression member having a dimension that is less than the dimension of the mounting seat in the second direction.

10. A gas adsorption apparatus comprising a gas circuit communication assembly according to any one of claims 1 to 9.