CN218326174U - Sample pipe clamp sleeve joint, physical adsorption instrument and degasser - Google Patents
Sample pipe clamp sleeve joint, physical adsorption instrument and degasser Download PDFInfo
- Publication number
- CN218326174U CN218326174U CN202222769433.6U CN202222769433U CN218326174U CN 218326174 U CN218326174 U CN 218326174U CN 202222769433 U CN202222769433 U CN 202222769433U CN 218326174 U CN218326174 U CN 218326174U
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- fixing
- sample tube
- ring
- ferrule
- head seat
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- 238000001179 sorption measurement Methods 0.000 title abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004375 physisorption Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a technical field of physical adsorption appearance specifically provides a sample tube card cup joints, physical adsorption appearance and degasser, aims at solving the unreasonable problem of current sample tube card sleeve joint design. For this, the utility model discloses a sample cell cutting ferrule connects includes first fixing clip head seat, the sealing washer, clamping ring and locking cap, the sealing washer sets up to the inside that can imbed into the cylindrical first fixing clip head seat of cavity, the clamping ring sets up to the inside that can partially imbed into first fixing clip head seat, the outside of first fixing clip head seat is connected to partial joint, the locking cap sets up to promoting clamping ring extrusion sealing washer in the in-process that can be fixed to first fixing clip head seat, thereby make the inside of the partly embedding of first fixing clip head seat of sealing washer and clamping ring, above-mentioned structure makes the sample cell can pass the locking cap, the clamping ring, the inside of first fixing clip head seat is inserted to the sealing washer, thereby only need open the locking cap can realize the loading and unloading of sample cell, and is rational in infrastructure, and convenient for operation.
Description
Technical Field
The utility model relates to a field that the physical adsorption appearance was made specifically provides a sample pipe strap cup joints, physical adsorption appearance and degasser.
Background
Physical adsorption instruments generally measure the surface pore structure of porous materials by a static capacity method using nitrogen as an adsorbate. The instrument device comprises a sample tube, a vacuum pump, gas paths (nitrogen and helium), a pressure sensor and the like. A proper amount of sample is put into a sample tube, before testing, the vacuum pumping is firstly carried out to exhaust the gas absorbed in the device and the sample pores, and then the sample gradually absorbs the nitrogen at the temperature of liquid nitrogen (77K), thereby obtaining the absorption amount of the sample to the nitrogen under different relative pressures.
The sample tube clamping and sleeving joint is a key structure of a sample tube connection cabinet (physical adsorption instrument), and the existing sample tube clamping and sleeving joint is inconvenient in sample tube installation and disassembly due to unreasonable design, and the problems of easy damage, excessive threads and overlarge clamping and sleeving joint caused by inaccurate sample tube are common.
Therefore, there is a need in the art to provide a new sample tube ferrule adapter that solves the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving above-mentioned technical problem, promptly, solve current sample tube card and cup joint because the design is unreasonable to lead to the sample tube installation, dismantle inconvenient, it is common if the sample tube leads to easily damaging, the screw thread is too much, the too big problem of cutting ferrule joint to the misalignment.
In a first aspect, the utility model provides a sample cell cutting ferrule connects, sample cell cutting ferrule connects includes first fixed chuck seat, sealing washer, clamping ring and locking cap. The first fixing chuck seat is a hollow columnar body; the sealing ring is arranged to be embedded into the first fixing clamping head seat; the press ring is arranged such that one part of the press ring can be embedded into the first fixing chuck base and the other part of the press ring can be clamped outside the first fixing chuck base; the fixing cap is arranged to be capable of being fixed on the first fixing chuck base, and the fixing cap can push the press ring to press the seal ring in the process of being fixed on the first fixing chuck base, so that the seal ring and a part of the press ring are embedded into the first fixing chuck base; a sample tube of the physical adsorption instrument can penetrate through the fixing cap, the pressing ring and the sealing ring and is inserted into the first fixing chuck seat; the inner diameter of the sealing ring is smaller than or equal to the outer diameter of the sample tube.
In a specific embodiment of the above-mentioned sample tube bayonet joint, the inner cavity of the first fixing bayonet holder includes a tapered section, and the tapered section has a larger diameter near one end of the fixing cap, so that when the fixing cap pushes the press ring to press the seal ring, the seal ring contracts radially and thus seals the sample tube.
In a specific embodiment of the above-mentioned sample tube bayonet joint, an external thread is provided at an end of the first fixing bayonet seat, and correspondingly, an internal thread is provided on the fixing cap, and the fixing cap and the first fixing bayonet seat are fixed by a thread.
In a specific embodiment of the above-mentioned sample tube coupling, a vertical stripe is disposed on an outer side of the fixing cap.
In the above specific implementation of the sample tube ferrule adapter, the sample tube ferrule adapter further comprises a filter element and a filter element fixing ring.
The filter element can be embedded into the filter element fixing ring.
The filter element fixing ring can abut against the first fixing clamping head seat.
In a specific embodiment of the above sample tube ferrule adapter, the sample tube ferrule adapter further includes a second fixing ferrule holder, the second fixing ferrule holder is provided with an internal thread, and the second fixing ferrule holder is fixedly connected to the first fixing ferrule holder through a thread.
In a specific embodiment of the above sample tube ferrule adapter, the sample tube ferrule adapter further includes a second fixing ferrule seat, and the second fixing ferrule seat can fix the filter element fixing ring and the filter element to the first fixing ferrule seat.
In a specific embodiment of the above sample tube coupling, the sample tube coupling is made of stainless steel.
In a second aspect, the present invention further provides a physical adsorption apparatus, wherein the physical adsorption apparatus comprises any one of the above technical solutions, and the sample tube clamping sleeve joint.
In a third aspect, the present invention further provides a degasser, wherein the degasser comprises the ferrule joint for sample tube described in any one of the above technical solutions.
The technical personnel in the field can understand be, the utility model discloses a sample tube cutting ferrule connects includes first fixing clip headstock, the sealing washer, clamping ring and locking cap, when needs are installed the sample cell, the sample cell passes the locking cap in proper order, clamping ring and sealing washer, because the internal diameter of sealing washer is less than or equal to the external diameter of sample cell, therefore, sealing washer and sample cell can zonulae occludens, at first put into first fixing clip headstock with sample cell and sealing washer during the installation, because locking cap and first fixing clip headstock carry out threaded connection, in the in-process locking cap that the screw thread was screwed can push into the finer part of clamping ring in first fixing clip headstock and then promote sealing washer and sample cell and advance to first fixing clip headstock inside, because the inner chamber at first fixing clip headstock is provided with the toper district section, and the one end diameter that the toper district section is close to the locking cap is great, make when the locking cap promotes the extrusion sealing washer, the sealing washer radially contracts and consequently sealed sample cell, continue rotatory locking cap until inconvenient thicker part and first fixing clip headstock butt, accomplish the installation of sample cell, the utility model discloses a part cup joints the size and the reasonable design scheme, make the sample cell more convenient when the guide ring pushes away from the sample cell to the quick-mounting structure, the sample cell is not enough, the problem of the quick-easy-to be dismantled is solved, the sample cell is more.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of a sample tube ferrule adapter of the present invention;
fig. 2 is a right side view of a second fixing chuck base of the sample tube card socket joint of the present invention;
fig. 3 is a right side view of the first fixing clip head seat of the sample tube clip head of the present invention.
Reference numerals:
1-sample pipe clamp sleeve joint; 11-a first fixed chuck base; 12-a sealing ring; 13-pressing a ring; 14-a fixed cap; 15-a filter element; 16-a filter element fixing ring; 17-a second fixed carrier seat; 2-sample tube.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "left", "right", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g. as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following describes a specific embodiment of the present invention.
Referring to fig. 1, the sample tube ferrule adapter 1 of the present invention is depicted, and according to the orientation of fig. 1, the second fixing clip head seat 17, the filter element fixing ring 16, the filter element 15, the first fixing clip head seat 11, the sealing ring 12, the pressing ring 13, the fixing cap 14 and the sample tube 2 are arranged from left to right in sequence.
As shown in fig. 1 to 3, the second fixing clamping head seat 17 is a hollow cylindrical body, the outer diameter of the left end of the second fixing clamping head seat 17 is smaller than the outer diameter of the right end, an internal thread is provided at the right end of the second fixing clamping head seat 17, the filter core fixing ring 16 can be embedded into the right end of the second fixing clamping head seat 17, the filter core 15 can be embedded into the filter core fixing ring 16, the first fixing clamping head seat 11 is a hollow cylindrical body, the filter core fixing ring 16 can abut against the left end of the first fixing clamping head seat 11, external threads are provided at both the left and right ends of the first fixing clamping head seat 11, the sealing ring 12 can be embedded into the right end of the first fixing clamping head seat 11, the left end of the press ring 13 can be embedded into the right end of the first fixing clamping head seat 11, the outer diameter of the right end of the press ring 13 is larger than the inner diameter of the first fixing clamping head seat 11, the left end of the fixing cap 14 is provided with an internal thread, the right end is provided with a circular hole, the diameter of the circular hole is smaller than the outer diameter of the right end of the press ring 13, the sample tube 2 can pass through the fixing cap 14, the press ring 13, the sealing ring 12 and the inner diameter of the conical fixing clamping head seat is smaller than the inner diameter of the conical fixing clamping head seat, and smaller than the conical section of the conical fixing clamping head seat (the conical section), and smaller than the conical section of the conical fixing clamping head seat 11).
In the case of the above embodiment, the left end of the second fixing clamping head seat 17 is connected to the case of the physical adsorption instrument, which is not shown in the figure, the right end of the second fixing clamping head seat 17 is connected to the left end of the first fixing clamping head seat 11 through a screw, in the process of connecting the second fixing clamping head seat 17 to the first fixing clamping head seat 11, the second fixing clamping head seat 17 fixes the assembly of the filter core 15 and the filter core fixing member to the left end of the first fixing clamping head seat 11, the filter core 15 is aligned to the hollow portion of the first fixing clamping head seat 11, on the right side of the first fixing clamping head seat 11, the sample tube 2 sequentially passes through the fixing cap 14, the press ring 13 and the seal ring 12 and is finally inserted into the first fixing clamping head seat 11, the fixing cap 14 is matched with the external screw thread on the right end of the first fixing clamping head seat 11 through the fixing cap 14, so as to realize the connection between the fixing cap 14 and the first fixing clamping head seat 11, in the process of gradually screwing the fixing cap 14, the fixing cap 14 can push the press ring 13 to push the seal ring 12, and press the seal the sample tube 12 in the radial direction, and thus, when the sample tube 2 is installed in the first fixing clamping head seat 11, and the conical seal ring 12 is provided.
The advantage of above-mentioned embodiment is in, this scheme part is small in quantity, convenient operation, the leakproofness is good simultaneously, solve current sample tube cutting ferrule joint 1 because the design is unreasonable to lead to sample cell 2 installation, dismantle inconvenient problem to, owing to set up filter element 15 in sample cell cutting ferrule joint 1, also can realize preventing the sample departure in sample cell 2 at the in-process of physisorption appearance work, also avoided the problem that brings in impurity gets into physisorption appearance's the vacuum pump.
Regarding the connection mode of the second fixing clip head seat 17 and the first fixing clip head seat 11, although the above mentioned connection mode is threaded, this is not the only connection mode, if necessary, those skilled in the art can adopt other connection modes, such as clipping with a buckle, and the connection mode between these common parts does not exceed the principle of the present invention, and therefore, all will be within the protection scope of the present invention.
Having described the main embodiments of the present invention, some preferred embodiments of the present invention will be described.
In a preferred embodiment, the outside of the locking cap 14 is provided with vertical stripes.
The advantage of above-mentioned embodiment lies in, sets up the frictional force when vertical stripe can increase gripping locking cap 14 in the outside of locking cap 14 to can be more laborsaving when dismantling and installing sample cell 2, and, after sample cell 2 installs and accomplishes, when installing sample cell ferrule joint 1 and sample cell 2's sub-assembly on the quick-witted case of physical adsorption appearance, also more convenient gripping has reduced the risk of sample cell ferrule joint 1 and sample cell 2 sub-assembly landing.
In a preferred embodiment, the sample tube ferrule 1 is stainless steel.
Under the condition of adopting above-mentioned embodiment, because the physical adsorption appearance can work under perishable environment such as humidity under the normal conditions, consequently, including equal preferred choice corrosion-resistant material including quick-witted case of physical adsorption appearance and devices such as sample cell cutting ferrule joint 1, for example stainless steel, stainless steel not only can guarantee that the physical adsorption appearance can not corroded, can also provide sufficient intensity, simultaneously, because it is easy to draw materials, processing is convenient, has also guaranteed that the material selection cost of physical adsorption appearance can not be too high.
In a preferred embodiment, the outer side of the second fixing clip seat 17 is provided in a hexagonal shape.
The advantage of above-mentioned embodiment lies in, sets the outside of second fixing clip headstock 17 to the hexagon, compares in setting up second fixing clip headstock 17 to circular, when sample tube cutting ferrule connects 1 and does not install on the quick-witted case of physisorption appearance, can prevent to put sample tube cutting ferrule joint 1 on the desktop and fall ground because of rolling to, when needs are installed sample tube cutting ferrule joint 1, the hexagonal shape also facilitates the installer gripping, thereby can load and unload sample tube cutting ferrule joint 1 more conveniently.
In a preferred embodiment, the seal ring 12 is made of rubber.
The above embodiment has the advantages that the rubber material not only can realize the sealing effect well in the process of sealing the sample tube 2 due to the good elasticity of the rubber material, but also can protect the sample tube 2 and reduce the risk of breaking the sample tube 2, and on the other hand, the rubber material is easy to obtain, so that the cost of the physical adsorption instrument cannot be increased due to the fact that the rubber material sealing ring 12 is selected.
The utility model also provides a physical adsorption appearance and degasser, physical adsorption appearance and degasser all include any one's among the above-mentioned technical scheme sample cell cutting ferrule connects 1.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (10)
1. The sample tube clamping sleeve joint is characterized by comprising a first fixing clamping head seat, a sealing ring, a pressing ring and a fixing cap;
the first fixing clamping head seat is a hollow columnar body;
the sealing ring is arranged to be embedded into the first fixing clamping head seat;
the clamping ring is arranged in such a way that one part of the clamping ring can be embedded into the first fixing clamping head seat, and the other part of the clamping ring can be clamped outside the first fixing clamping head seat;
the fixing cap is arranged to be capable of being fixed on the first fixing chuck seat, and the fixing cap can push the press ring to press the seal ring in the process of being fixed on the first fixing chuck seat, so that the seal ring and a part of the press ring are embedded into the first fixing chuck seat;
the sample tube can penetrate through the fixing cap, the pressing ring and the sealing ring and is inserted into the first fixing clamping head seat;
the inner diameter of the sealing ring is smaller than or equal to the outer diameter of the sample tube.
2. Sample tube ferrule fitting according to claim 1, wherein the inner cavity of the first stationary ferrule holder comprises a tapered section having a larger diameter near one end of the stationary cap, such that when the stationary cap pushes the compression ring against the sealing ring, the sealing ring radially contracts and thereby seals the sample tube.
3. The sample tube ferrule adapter as in claim 2, wherein an end of the first fixing ferrule holder is provided with an external thread, and correspondingly, the fixing cap is provided with an internal thread, and the fixing cap is threadedly fixed with the first fixing ferrule holder.
4. The sample tube ferrule adapter of claim 1, wherein the outside of the retaining cap is provided with vertical striations.
5. The sample tube ferrule of claim 1, further comprising a filter cartridge and a filter cartridge retaining ring;
the filter element can be embedded into the filter element fixing ring;
the filter element fixing ring can abut against the first fixing clamping head seat.
6. The sample tube ferrule of claim 5, further comprising a second fixing ferrule base, wherein the second fixing ferrule base is provided with internal threads, and the second fixing ferrule base is fixedly connected with the first fixing ferrule base through threads.
7. The sample tube ferrule of claim 5, further comprising a second stationary ferrule holder capable of securing the filter cartridge retaining ring and the filter cartridge to the first stationary ferrule holder.
8. The sample tube ferrule adapter of claim 1, wherein the sample tube ferrule adapter is stainless steel.
9. A physisorptive device comprising the sample tube ferrule adapter of any of claims 1-8.
10. A degasser comprising the sample tube ferrule of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769433.6U CN218326174U (en) | 2022-10-20 | 2022-10-20 | Sample pipe clamp sleeve joint, physical adsorption instrument and degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222769433.6U CN218326174U (en) | 2022-10-20 | 2022-10-20 | Sample pipe clamp sleeve joint, physical adsorption instrument and degasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218326174U true CN218326174U (en) | 2023-01-17 |
Family
ID=84826333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222769433.6U Active CN218326174U (en) | 2022-10-20 | 2022-10-20 | Sample pipe clamp sleeve joint, physical adsorption instrument and degasser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218326174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539502A (en) * | 2023-07-05 | 2023-08-04 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
-
2022
- 2022-10-20 CN CN202222769433.6U patent/CN218326174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116539502A (en) * | 2023-07-05 | 2023-08-04 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
| CN116539502B (en) * | 2023-07-05 | 2023-10-03 | 北京国仪精测技术有限公司 | Plug connector of sample tube and specific surface area instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231121 Address after: Building D15-2-3, Saida International Industrial City, Economic and Technological Development Zone, Xiqing District, Tianjin, 300385 Patentee after: Tianjin Jingwei Gaobo Instrument Co.,Ltd. Address before: 101149 401, Building 10, Yard 10, West District of U Valley, Liandong, Jingsheng South 2nd Street, Tongzhou District, Beijing Patentee before: Beijing Jingwei Gaobo Instrument Co.,Ltd. |
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| TR01 | Transfer of patent right |