CN209901338U - Chemical adsorption appearance sample cell strutting arrangement - Google Patents
Chemical adsorption appearance sample cell strutting arrangement Download PDFInfo
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- CN209901338U CN209901338U CN201920537004.1U CN201920537004U CN209901338U CN 209901338 U CN209901338 U CN 209901338U CN 201920537004 U CN201920537004 U CN 201920537004U CN 209901338 U CN209901338 U CN 209901338U
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Abstract
The utility model discloses a chemical adsorption instrument sample tube supporting device, which comprises a base and a supporting disk, wherein the supporting disk is arranged right above the base, the base is connected with the supporting disk through a supporting rod, one end of the supporting rod is uniformly connected with the upper end surface of the base, and the other end of the supporting rod is uniformly connected with the lower end surface of the supporting disk; the base is provided with a groove for placing a sample tube, and the groove is matched with the bottom of the sample tube; an opening used for enabling the sample tube to come in and go out and limiting the sample tube is formed in the supporting plate, and the opening is located right above the groove and parallel to the groove. The utility model discloses can guarantee that the sample cell focus is stable, avoid the unstable accuracy that influences analytical balance weighing result of sample cell focus to guarantee the accuracy of chemisorption appearance testing result.
Description
Technical Field
The utility model relates to an experimental device auxiliary assembly field, in particular to chemisorption appearance sample cell strutting arrangement.
Background
The chemical adsorption instrument is mainly used for carrying out various chemical adsorption and temperature programmed reaction researches to obtain the surface area, surface acidity, distribution and strength of active sites, specific surface area and other properties of active metals, and the chemical adsorption instrument sample tube is a container for chemical adsorption instrument samples. The sample to be detected is generally weighed by adopting a differential method, namely, the mass of the sample tube is weighed firstly, the weighed sample is put into the sample tube, then the total mass of the sample and the sample tube is weighed, and the final mass of the detected sample is obtained after the differential method.
The chemical adsorption appearance sample cell bottom is the column, wholly is the U-shaped, need have the support when using analytical balance to weigh, at present, generally adopt circular plastics to weigh in the experimentation and hold in the palm and support, but plastics weigh hold in the palm and can only fix sample cell bottom and yielding, and the centre of gravity is unstable when weighing after warping the sample cell, leads to weighing in-process analytical balance registration fluctuation great, and receives external disturbance influence obvious to influence the accuracy of sample weighing result. The accuracy of the sample weighing result directly influences the accuracy of the detection result of the chemical adsorption instrument.
Disclosure of Invention
To the technical problem among the prior art, the utility model provides a chemisorption appearance sample cell strutting arrangement, its aim at guarantee that the sample cell weighs under stable state, avoids the unstable accuracy that influences analytical balance weighing result of sample cell focus to guarantee the accuracy of physisorption appearance testing result.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a supporting device for a sample tube of a chemical adsorption instrument comprises a base and a supporting disk, wherein the supporting disk is arranged right above the base, the base is connected with the supporting disk through a supporting rod, one end of the supporting rod is connected with the upper end face of the base, and the other end of the supporting rod is connected with the lower end face of the supporting disk;
the base is provided with a groove for placing a sample tube, the supporting plate is provided with an opening for the sample tube to come in and go out and limiting the sample tube, and the opening is arranged right above the groove.
Further, the opening comprises a first through hole, a second through hole and a third through hole, the first through hole is communicated with the second through hole, and the second through hole is communicated with the third through hole; the small tube part of the sample tube is matched with the first through hole and can penetrate through the first through hole, and the large tube part of the sample tube is matched with the third through hole and can penetrate through the third through hole.
Further, first through-hole and third through-hole are the circular port, the second through-hole is the rectangular hole, and the width of second through-hole is less than the diameter of first through-hole.
The sample tube cover comprises a cover body, and a blind hole matched with the large tube part orifice of the sample tube is formed in the lower end face of the cover body; when the sample tube is in use, the large tube part orifice of the sample tube extends into the blind hole of the cover body.
Furthermore, the sample tube cover also comprises two connecting parts, one end of each connecting part is respectively connected to two sides of the cover body, and each connecting part is provided with a through hole; and clamping columns are arranged on two sides of the third through hole and penetrate through the through holes in the connecting part to connect the supporting disc with the sample tube cover.
Further, the base and the supporting disc are circular or regular polygon, and the size of the supporting disc is smaller than that of the base.
Further, the vertical section of the groove is arc-shaped.
Further, the groove matches the bottom of the sample tube.
Further, the base with the supporting disk is connected through three spinal branch vaulting poles, and three the one end equipartition of bracing piece is connected the up end of base, and the other end equipartition is connected the lower terminal surface of supporting disk.
Further, a buffer layer is arranged in the groove and the opening.
Compared with the prior art, the utility model discloses following beneficial effect has at least: this real neotype sample cell strutting arrangement, when using, place the base inslot to the device with the sample cell from the opening on the supporting disk of device, and the opening on the supporting disk carries on spacingly to the sample cell, and the sample cell is stably placed in the device. Therefore, the utility model discloses can guarantee that the sample cell focus is stable, avoid the unstable accuracy that influences analytical balance weighing result of sample cell focus to guarantee the accuracy of chemisorption appearance testing result.
Furthermore, the opening comprises a first through hole, a second through hole and a third through hole, the first through hole is communicated with the second through hole, and the second through hole is communicated with the third through hole; the small tube part of the sample tube is matched with the first through hole and can penetrate through the first through hole, and the large tube part of the sample tube is matched with the third through hole and can penetrate through the third through hole; first through-hole and third through-hole are the circular port, and the second through-hole is the rectangular hole, and the width of second through-hole is less than the diameter of first through-hole, and such design for the tubule portion and the big pipe of sample cell correspond respectively by spacing and supporting disk in, have ensured that the sample cell focus is stable, avoid the unstable accuracy that influences analytical balance weighing result of sample cell focus, thereby guarantee the accuracy of chemisorption appearance testing result.
Furthermore, the supporting device further comprises a sample tube cover, the sample tube cover comprises a cover body, a blind hole matched with the large tube orifice of the sample tube is formed in the lower end face of the cover body, when the sample tube is in a use state, the large tube orifice of the sample tube extends into the blind hole of the cover body, the sample tube cover covers the tube orifice of the sample tube, impurities are prevented from entering the sample tube to influence the weighing result of the sample, the accuracy of the weighing result is further ensured, and therefore the accuracy of the detection result of the physical adsorption instrument is ensured.
Furthermore, the sample tube cover also comprises two connecting parts, one end of each connecting part is respectively connected to two sides of the cover body, and each connecting part is provided with a through hole; the two sides of the third through hole are provided with clamping columns which penetrate through the through holes in the connecting part to connect the supporting disc with the sample tube cover. The connection design further ensures that the sample tube can be stably placed in the supporting device, and the accuracy of the weighing result is ensured.
Furthermore, the base and the supporting disc are circular or regular polygon, and the size of the supporting disc is smaller than that of the base, so that the whole supporting device is more stable, and the sample tube is more stable after being placed in the supporting device.
Furthermore, the vertical section of the groove is arc-shaped, so that the bottom of the sample tube is better matched with the groove, and the bottom of the sample tube is prevented from being damaged by edges and corners.
Further, the groove matches the bottom of the sample tube, better ensuring the stability of the sample tube placement in the groove.
Further, the base is connected through three spinal branch vaulting poles with the supporting disk, and the one end equipartition of three spinal branch vaulting poles is connected at the up end of base, and the lower terminal surface at the supporting disk is connected to the other end equipartition, and the bracing piece of three equipartitions can guarantee the steadiness of device in the use with the even undertaking of weight of supporting disk, ensures safe in utilizationly.
Further, the buffer layers are arranged in the grooves and the openings, and the buffer layers can prevent the sample tube from being damaged due to impact.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a base of the present invention;
fig. 3 is a schematic view of a support plate of the present invention;
fig. 4 is a schematic view of a sample tube cover according to the present invention;
FIG. 5 is a schematic diagram of a sample tube;
fig. 6 is a usage state diagram of the present invention.
In the figure: 1-a base; 2-a support rod; 3-a support disk; 4-sample tube cover; 5-sample tube; 6-groove; 7-opening; 71-a first via; 72-a second via; 73-a third via; 8-clamping column.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As a preferred embodiment of the present invention, as shown in fig. 1 and fig. 6, a supporting device for a sample tube of a chemical adsorption apparatus includes a base 1, a supporting rod 2, a supporting disk 3 and a sample tube cover 4, wherein the base 1 and the supporting disk 3 can be circular or regular polygon, in this embodiment, the base 1 and the supporting disk 3 are both circular, and the diameter of the base 1 is greater than the diameter of the supporting disk 3; the supporting plate 3 is arranged right above the base 1, the base 1 is connected with the supporting plate 3 through three supporting rods 2, one end of each supporting rod 2 is uniformly connected to the upper end face of the base 1, and the other end of each supporting rod 2 is uniformly connected to the lower end face of the supporting plate 3; the size of supporting disk 3 is less than the size of base 1, and whole strutting arrangement self can be more firm, and then ensures that the sample cell is more firm after placing in strutting arrangement. Of course, the number of the support rods 2 may be two or four, etc.
Referring to fig. 1, 2 and 6, a groove 6 for placing the sample tube 5 is formed in the base 1, the groove 6 is matched with the bottom of the sample tube 5, that is, the bottom of the sample tube 5 can be placed in the groove 6, preferably, the vertical section of the groove 6 is arc-shaped, so that the bottom of the sample tube 5 can be better matched with the groove 6, and a buffer layer, such as a cotton layer, is arranged in the groove 6, thereby preventing the bottom of the sample tube 5 from being damaged by edges or impacts or the like.
As shown in fig. 1, 3 and 6, an opening 7 for inserting and removing the sample tube 5 and limiting the sample tube 5 is formed in the support plate 3, and the opening 7 is directly above the groove 6 and parallel to the groove 6. Specifically, the opening 7 includes a first through hole 71, a second through hole 72, and a third through hole 73, as shown in fig. 3, the first through hole 71 and the third through hole 73 are circular holes, the second through hole 72 is a rectangular hole, and the width of the second through hole 72 is smaller than the diameter of the first through hole 71. The first through hole 71 is communicated with the second through hole 72, and the second through hole 72 is communicated with the third through hole 73; the small tube part of sample cell 5 matches and can pass first through-hole 71 with first through-hole 71, and the main tube part of sample cell 5 matches and can pass third through-hole 73 with third through-hole 73, when sample cell 5 puts the utility model discloses a during the device, first through-hole 71 and second through-hole 73 of opening 7 can be spacing to sample cell 5, have ensured that sample cell 5 can stabilize placing in strutting arrangement, ensure the accuracy of testing result.
Referring to fig. 1, 4 and 6, a sample tube cover 4 is further covered on the large tube mouth of the sample tube 5, as shown in fig. 4, the sample tube cover 4 includes a cover body 41 and two connecting portions 42, one end of each connecting portion 42 is respectively connected to two sides of the cover body 41, each connecting portion 42 is provided with a through hole, and the lower end surface of the cover body 41 is provided with a blind hole matched with the large tube mouth of the sample tube 5; in the use state, the large tube end of the sample tube 5 extends into the blind hole of the cover 41. As shown in fig. 3, the clamping columns 8 are disposed at two sides of the third through hole 73, and the clamping columns 8 pass through the through holes on the connecting portion 42 to connect the support plate 3 with the sample tube cover 4.
The utility model discloses a sample cell strutting arrangement does not have the restriction to the material of base 1, bracing piece 2, supporting disk 3 and sample tube lid 4, and the preparation principle should be less than analytical balance's range for the total mass of strutting arrangement, sample cell 5 and sample, recommends the polytetrafluoroethylene material, and this material has advantages such as workable, corrosion-resistant, non-deformable.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a chemisorption appearance sample cell strutting arrangement which characterized in that: the device comprises a base (1) and a supporting disk (3), wherein the supporting disk (3) is arranged right above the base (1), the base (1) is connected with the supporting disk (3) through a supporting rod (2), one end of the supporting rod (2) is connected to the upper end face of the base (1), and the other end of the supporting rod is connected to the lower end face of the supporting disk (3);
a groove (6) for placing a sample tube (5) is formed in the base (1), an opening (7) for enabling the sample tube (5) to come in and go out and limiting the sample tube (5) is formed in the supporting plate (3), and the opening (7) is located right above the groove (6).
2. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: the opening (7) comprises a first through hole (71), a second through hole (72) and a third through hole (73), the first through hole (71) is communicated with the second through hole (72), and the second through hole (72) is communicated with the third through hole (73); the small tube part of the sample tube (5) is matched with the first through hole (71) and can pass through the first through hole (71), and the large tube part of the sample tube (5) is matched with the third through hole (73) and can pass through the third through hole (73).
3. The supporting device for the sample tube of the chemical adsorption instrument according to claim 2, wherein: the first through hole (71) and the third through hole (73) are circular holes, the second through hole (72) is a rectangular hole, and the width of the second through hole (72) is smaller than the diameter of the first through hole (71).
4. The supporting device for the sample tube of the chemical adsorption instrument according to claim 3, wherein: the sample tube cover (4) comprises a cover body (41), and a blind hole matched with a large tube part pipe orifice of the sample tube (5) is formed in the lower end face of the cover body (41); when in use, the large tube mouth of the sample tube (5) extends into the blind hole of the cover body (41).
5. The supporting device for the sample tube of the chemical adsorption instrument according to claim 4, wherein: the sample tube cover (4) further comprises two connecting parts (42), one end of each connecting part (42) is connected to two sides of the cover body (41), and each connecting part (42) is provided with a through hole; the two sides of the third through hole (73) are provided with clamping columns (8), and the clamping columns (8) penetrate through the through holes in the connecting portion (42) to connect the supporting disc (3) with the sample tube cover (4).
6. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: the base (1) and the supporting disc (3) are circular or regular polygon, and the size of the supporting disc (3) is smaller than that of the base (1).
7. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: the vertical section of the groove (6) is arc-shaped.
8. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: the groove (6) is matched with the bottom of the sample tube (5).
9. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: base (1) with supporting disk (3) are connected through three spinal branch vaulting poles (2), three the one end equipartition of bracing piece (2) is connected the up end of base (1), other end equipartition is connected the lower terminal surface of supporting disk (3).
10. The supporting device for the sample tube of the chemical adsorption instrument according to claim 1, wherein: buffer layers are arranged in the groove (6) and the opening (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537004.1U CN209901338U (en) | 2019-04-18 | 2019-04-18 | Chemical adsorption appearance sample cell strutting arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537004.1U CN209901338U (en) | 2019-04-18 | 2019-04-18 | Chemical adsorption appearance sample cell strutting arrangement |
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| CN209901338U true CN209901338U (en) | 2020-01-07 |
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| CN201920537004.1U Active CN209901338U (en) | 2019-04-18 | 2019-04-18 | Chemical adsorption appearance sample cell strutting arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702213A (en) * | 2020-05-21 | 2021-11-26 | 上海梅山钢铁股份有限公司 | Device and method for detecting high-temperature impact crushing performance of bottom slag of aluminum-zinc molten pool |
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2019
- 2019-04-18 CN CN201920537004.1U patent/CN209901338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702213A (en) * | 2020-05-21 | 2021-11-26 | 上海梅山钢铁股份有限公司 | Device and method for detecting high-temperature impact crushing performance of bottom slag of aluminum-zinc molten pool |
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