CN204241437U - High pressure liquid chromatography post stud bolt and high pressure liquid chromatography post - Google Patents
High pressure liquid chromatography post stud bolt and high pressure liquid chromatography post Download PDFInfo
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- CN204241437U CN204241437U CN201420735129.2U CN201420735129U CN204241437U CN 204241437 U CN204241437 U CN 204241437U CN 201420735129 U CN201420735129 U CN 201420735129U CN 204241437 U CN204241437 U CN 204241437U
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Abstract
The utility model discloses a kind of high pressure liquid chromatography post stud bolt, comprise main body, the two ends of main body are respectively arranged with the first groove and the second groove, are provided with the center pit run through between the first groove and the second groove.The bottom surface of the second groove is circular, and center pit is positioned at the home position of rounded bottom surface, and the bottom surface of the second groove is outwards dispersed direction from center pit and is provided with the identical and equally distributed boss of multiple height.When stud bolt and sieve plate with the use of time, the top of boss directly contacts with sieve plate, space between the part causing the bottom surface of sieve plate and the second groove not have a boss.And boss centrally outwards disperses setting in hole, namely the length direction of boss and the diametric(al) of rounded bottom surface consistent.When liquid stream enters chromatographic column from the center pit of stud bolt, the bootable liquid stream of boss evenly spreads from center to the clearance position of center pit surrounding, preventing assembling blocking in center causes post voltage rise high, improves durability and the life-span of high pressure liquid chromatography post.
Description
Technical field
The utility model relates to liquid chromatography technology field, particularly relates to a kind of high pressure liquid chromatography post stud bolt and uses the high pressure liquid chromatography post of this stud bolt.
Background technology
Liquid chromatography isolation technics is used to effectively be separated the blend sample with various ingredients, and core component is liquid chromatography separation column.Its separation principle is, blending ingredients sample is dissolved in a kind of mobile phase, mobile phase is under larger pressure condition, filling chromatograph packing material in chromatographic column is flow through with certain flow velocity, because chromatograph packing material is to the difference of the absorption affinity of different component, therefore different component flows through chromatograph packing material by with different flow velocitys, and in the detecting device of liquid chromatograph, detect that different component flows out the time of chromatographic column and the content of each component, thus the object reaching separation, detect.Liquid chromatography separation column comprises the elements such as stud bolt, column cap nut, column jecket, filler and sieve plate.
But traditional high pressure liquid chromatography post stud bolt and sieve plate mating part are plane, fit tightly with floor lever of sieve tray.When liquid stream enters chromatographic column from the center pit of stud bolt, with center position to sieve plate internal penetration.And when the bulky grain in liquid stream enters chromatographic column contact sieve plate, in the regional extent that center position is about 0.2mm ~ 0.3mm, very easily assemble blocking, once blocking, liquid stream cannot cause post voltage rise high to surrounding diffusion, thus cause the poor durability of high pressure liquid chromatography post, service life reduction.
Utility model content
Based on this, the high pressure liquid chromatography post stud bolt being necessary for traditional causes the problem of the poor durability of high pressure liquid chromatography post, provides a kind of stud bolt that can improve the durability of high pressure liquid chromatography post.
A kind of high pressure liquid chromatography post stud bolt, described stud bolt comprises main body, the two ends of described main body are respectively arranged with the first groove and the second groove, the center pit run through is provided with between described first groove and described second groove, the bottom surface of described second groove is circular, described center pit is positioned at the home position of described rounded bottom surface, and the bottom surface of described second groove is outwards dispersed direction from described center pit and is provided with the identical and equally distributed boss of multiple height.
Wherein in an embodiment, the height of described boss is 0.24mm ~ 0.36mm.
Wherein in an embodiment, described boss is rectangle or taper along the radial section of described center pit.
Wherein in an embodiment, the width of described boss is 0.4mm ~ 0.6mm.
Wherein in an embodiment, the ratio of the length of described boss and the rounded bottom surface diameter of described second groove is 4:15 ~ 2:5.
Wherein in an embodiment, the number of described boss is at least 3.
Wherein in an embodiment, described boss is stainless steel parts.
In addition, also provide a kind of high pressure liquid chromatography post, comprise above-mentioned high pressure liquid chromatography post stud bolt.
Above-mentioned high pressure liquid chromatography post stud bolt comprises main body, is communicated with between first groove at the two ends of main body and the second groove by center pit.The bottom surface of the second groove is circular, and center pit is positioned at the home position of rounded bottom surface, is provided with the identical and equally distributed boss of multiple height in the bottom surface of the second groove.When stud bolt and sieve plate with the use of time, the top of these boss directly contacts with sieve plate, space between the part causing the bottom surface of sieve plate and the second groove not have a boss.Meanwhile, because boss centrally outwards disperses setting in hole, namely the length direction of boss and the diametric(al) of rounded bottom surface consistent.Therefore, when liquid stream enters chromatographic column from the center pit of stud bolt, the bootable liquid stream of boss evenly spreads from center to the clearance position of center pit surrounding, prevents assembling blocking in center and causes post voltage rise high, thus improve durability and the life-span of high pressure liquid chromatography post.
Accompanying drawing explanation
Fig. 1 is the sectional view of stud bolt in the utility model embodiment;
Fig. 2 is the upward view of stud bolt in the utility model embodiment.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Traditional high pressure liquid chromatography post stud bolt and sieve plate mating part are plane, fit tightly with floor lever of sieve tray.When liquid stream enters chromatographic column from the center pit of stud bolt, with center position to sieve plate internal penetration, very easily assemble blocking, cause the poor durability of high pressure liquid chromatography post, service life reduction.Therefore, for solving the problem, the utility model provides and not easily occurs to block during a kind of use and improve the high pressure liquid chromatography post stud bolt of the durability of high pressure liquid chromatography post.
The utility model embodiment mesohigh liquid-phase chromatographic column stud bolt 100 is hex bolts, and its sectional view as shown in Figure 1.Stud bolt 100 comprises main body, and the two ends of main body are respectively arranged with the first groove 110 and the second groove 120.The center pit 130 run through is provided with between first groove 110 and the second groove 120.This center pit 130 is for being communicated with the first groove 110 and the second groove 120.
As shown in Figure 2, the bottom surface of the second groove 120 is circular to the upward view of stud bolt 100, and center pit 130 is positioned at the home position of rounded bottom surface.The bottom surface of the second groove 120 is outwards dispersed direction from center pit 130 and is provided with 6 highly identical and equally distributed boss 140.One end of boss 140 and the sidewall of the second groove 120 abut against, and the other end is towards the direction, the center of circle of center pit 130.Meanwhile, the height of boss 140 is 0.3mm.The radial section in boss 140 centrally hole 130 is rectangle.This rectangular width is 0.5mm, and length is 1/3rd of the rounded bottom surface diameter of the second groove 120, and namely the two ratio is 1:3.In the present embodiment, boss 140 is stainless steel parts.But not as limit, boss 140 can also can other elements passive for other.
When stud bolt 100 and sieve plate with the use of time, the top of these boss 130 directly contacts with sieve plate and abuts.Therefore, the bottom surface of sieve plate and the second groove 120 there is no a boss 130 part between space.
Liquid stream flows into center pit 130 from the first groove 110 of stud bolt 100, flow into the second groove 120 subsequently and from the second groove 120 with the use of sieve plate enter chromatographic column.Now, because boss 140 centrally outwards disperses setting in hole, namely the length direction of boss 140 and the diametric(al) of rounded bottom surface consistent, therefore the bootable liquid stream of boss 140 evenly spreads from center pit 130 position to the clearance position of center pit 130 surrounding, prevent from assembling blocking in center pit 130 position and causing post voltage rise high, thus improve durability and the life-span of high pressure liquid chromatography post.
It should be noted that, boss design of the present utility model is not as limit, and the two ends of boss all can not abut with the sidewall of the second groove, and it can be highly the arbitrary numerical value in 0.24mm ~ 0.36mm.Same, the width of boss of the present utility model can also be the arbitrary numerical value in 0.4mm ~ 0.6mm.The ratio of the length of boss of the present utility model and the rounded bottom surface diameter of the second groove can be the arbitrary numerical value in 4:15 ~ 2:5.The number of boss is at least 3, and is evenly distributed on the basal surface position of the second groove.In addition, the shape of the boss centrally radial section in hole can also for taper.Tapered tip points to the direction of central point, and design can be spread to surrounding by guided liquid-flow better like this.
The utility model also provides a kind of high pressure liquid chromatography post using above-mentioned stud bolt 100.Compared with traditional high pressure liquid chromatography post, use the durability of the high pressure liquid chromatography post of stud bolt 100 better, the life-span is higher.
In addition, as long as can with stud bolt 100 of the present utility model matching used high pressure liquid chromatography post all in protection domain of the present utility model.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. a high pressure liquid chromatography post stud bolt, described stud bolt comprises main body, it is characterized in that, the two ends of described main body are respectively arranged with the first groove and the second groove, the center pit run through is provided with between described first groove and described second groove, the bottom surface of described second groove is circular, and described center pit is positioned at the home position of described rounded bottom surface, and the bottom surface of described second groove is outwards dispersed direction from described center pit and is provided with the identical and equally distributed boss of multiple height.
2. high pressure liquid chromatography post stud bolt according to claim 1, is characterized in that, the height of described boss is 0.24mm ~ 0.36mm.
3. high pressure liquid chromatography post stud bolt according to claim 1, is characterized in that, described boss is rectangle or taper along the radial section of described center pit.
4. high pressure liquid chromatography post stud bolt according to claim 3, is characterized in that, the width of described boss is 0.4mm ~ 0.6mm.
5. high pressure liquid chromatography post stud bolt according to claim 3, is characterized in that, the ratio of the length of described boss and the rounded bottom surface diameter of described second groove is 4:15 ~ 2:5.
6. high pressure liquid chromatography post stud bolt according to claim 1, is characterized in that, the number of described boss is at least 3.
7. the high pressure liquid chromatography post stud bolt according to any one of claim 1 ~ 6, is characterized in that, described boss is stainless steel parts.
8. a high pressure liquid chromatography post, is characterized in that, comprises the high pressure liquid chromatography post stud bolt according to any one of claim 1 ~ 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735129.2U CN204241437U (en) | 2014-11-27 | 2014-11-27 | High pressure liquid chromatography post stud bolt and high pressure liquid chromatography post |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735129.2U CN204241437U (en) | 2014-11-27 | 2014-11-27 | High pressure liquid chromatography post stud bolt and high pressure liquid chromatography post |
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| CN204241437U true CN204241437U (en) | 2015-04-01 |
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| CN201420735129.2U Active CN204241437U (en) | 2014-11-27 | 2014-11-27 | High pressure liquid chromatography post stud bolt and high pressure liquid chromatography post |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108517575A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of conductive fiber composite spining module |
| CN111356917A (en) * | 2017-11-17 | 2020-06-30 | 生物辐射实验室股份有限公司 | Chromatographic stopper |
| CN113295811A (en) * | 2021-05-20 | 2021-08-24 | 西部宝德科技股份有限公司 | Chromatographic column sieve plate and preparation method thereof |
| CN113552157A (en) * | 2020-04-23 | 2021-10-26 | 北京安科慧生科技有限公司 | X-ray fluorescence spectrometer and sample cup protection piece thereof |
-
2014
- 2014-11-27 CN CN201420735129.2U patent/CN204241437U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111356917A (en) * | 2017-11-17 | 2020-06-30 | 生物辐射实验室股份有限公司 | Chromatographic stopper |
| US11839836B2 (en) | 2017-11-17 | 2023-12-12 | Bio-Rad Laboratories, Inc. | Chromatography plug |
| CN108517575A (en) * | 2018-06-12 | 2018-09-11 | 江苏中杰澳新材料有限公司 | A kind of conductive fiber composite spining module |
| CN113552157A (en) * | 2020-04-23 | 2021-10-26 | 北京安科慧生科技有限公司 | X-ray fluorescence spectrometer and sample cup protection piece thereof |
| CN113295811A (en) * | 2021-05-20 | 2021-08-24 | 西部宝德科技股份有限公司 | Chromatographic column sieve plate and preparation method thereof |
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Address after: 215123 Room 401, building C11, Biological Nanotechnology Park, 218 Xinghu street, industrial park, Suzhou, Jiangsu Province Patentee after: Suzhou saifen Technology Co.,Ltd. Address before: 215123 Room 401, building C11, Biological Nanotechnology Park, 218 Xinghu street, industrial park, Suzhou, Jiangsu Province Patentee before: SEPAX TECHNOLOGIES (SUZHOU) Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |
Address after: 215323 No. 11, Jixian street, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou saifen Technology Co.,Ltd. Address before: 215123 Room 401, building C11, Biological Nanotechnology Park, 218 Xinghu street, industrial park, Suzhou, Jiangsu Province Patentee before: Suzhou saifen Technology Co.,Ltd. |