CN218046592U - Accurate control solid phase extraction device - Google Patents
Accurate control solid phase extraction device Download PDFInfo
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- CN218046592U CN218046592U CN202220829725.1U CN202220829725U CN218046592U CN 218046592 U CN218046592 U CN 218046592U CN 202220829725 U CN202220829725 U CN 202220829725U CN 218046592 U CN218046592 U CN 218046592U
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- solid phase
- phase extraction
- extraction device
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Abstract
The utility model discloses an accurate control solid phase extraction device, including the solid phase extraction device body, the top of solid phase extraction device body is equipped with the apron, four end angles of apron surface all are equipped with an internal thread opening, four the other end of internal thread opening extends to the same annular that is located on the apron inner wall and accomodates the groove, the inside of internal thread opening is equipped with the screw rod, the fixed rotatory handle that is equipped with of one end of screw rod, the other end of screw rod is fixed and is equipped with T shape head, the outside of T shape head is equipped with T nature groove, the shape in T nature groove is T shape, the shape in T shape head also is T shape, be connected through roller bearing between T nature groove and the T shape head, T nature groove is located the surface that the inside rectangular seal strip of annular was accomodate to some. Through the utility model discloses accurate control solid phase extraction device can effectively guarantee the leakproofness of apron and solid phase extraction device junction to this accuracy of guaranteeing to detect the structure.
Description
Technical Field
The utility model relates to a solid phase extraction technical field specifically is an accurate control solid phase extraction device.
Background
With the rapid development of social economy, solid-Phase-Extraction (SPE) is a sample pretreatment technology developed in recent years, is developed by combining a liquid-Solid Extraction column and a liquid chromatography technology, is mainly used for separating, purifying and concentrating samples, can improve the recovery rate of analytes compared with the traditional liquid-liquid Extraction method, more effectively separates the analytes from interfering components, reduces the sample pretreatment process, is simple to operate, saves time and labor, and is widely applied to the fields of medicines, foods, environments, commercial inspection, chemical engineering and the like.
However, the existing solid-phase extraction device has poor sealing performance with the cover plate, and if gas enters the interior of the solid-phase extraction device from the joint between the two devices in the using process, the inspection precision of equipment is affected; therefore, the existing requirements are not met, and a precise control solid phase extraction device is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate control solid phase extraction device to the leakproofness between the solid phase extraction device that provides in solving above-mentioned background art and the apron is not strong, if there is gaseous inside that gets into the solid phase extraction device from the junction between the two at the in-process that uses, then can influence the inspection precision scheduling problem of equipment.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an accurate control solid phase extraction device, includes the solid phase extraction device body, the top of solid phase extraction device body is equipped with the apron, four end angles of apron surface all are equipped with an internal thread opening, four the other end of internal thread opening extends to the same annular that is located on the apron inner wall and accomodates the groove, the inside of internal thread opening is equipped with the screw rod, the fixed twist grip that is equipped with in one end of screw rod, the other end of screw rod is fixed and is equipped with T shape head, the outside of T shape head is equipped with T nature groove, the shape in T nature groove is T shape, the shape of T shape head also is T shape, be connected through roller bearing between T nature groove and the T shape head, T nature groove is located the surface that the inside rectangular seal strip of groove was accomodate to some, the outside of rectangular seal strip is equipped with the rectangular seal ring that is located the solid phase extraction device body surface, the lower terminal surface of apron is fixed and is equipped with square seal ring, the outside of square seal ring is equipped with the square seal groove that is located the apron up end.
Preferably, a sample bottle holder is disposed on the upper end surface of the cover plate, and the sample bottle holder penetrates through the cover plate.
Preferably, an extraction pipeline is fixedly installed on one side of the outer surface of the solid phase extraction device body, and the extraction pipeline is communicated with the inside of the solid phase extraction device body.
Preferably, the surface of screw rod is equipped with the external screw thread all over, it is equipped with the internal thread all over on the inner wall of internal thread opening, the external screw thread of screw rod and the internal thread of internal thread opening correspond each other.
Preferably, the shape of the rectangular sealing strip and the shape of the rectangular sealing ring correspond to each other, and the outer surface of the rectangular sealing strip is closely attached to the inner wall of the rectangular sealing ring.
Preferably, the square sealing ring and the cover plate are integrally manufactured, and the outer surface of the square sealing ring is closely attached to the inner wall of the square sealing groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the sealing structure can effectively ensure the sealing performance of the joint of the solid phase extraction device body and the cover plate, can effectively prevent gas from entering the interior of the solid phase extraction device body from the joint of the solid phase extraction device body and the cover plate in the using process, ensures the connection strength between the structures and the sealing performance between the structures, and can effectively ensure the precision of the detection device through the design;
2. the utility model discloses a fixed square sealing ring that is equipped with of lower terminal surface of apron, and square sealing ring's the outside is equipped with the square seal groove that is located solid-phase extraction device body up end to square sealing ring's surface is laminated closely with square seal groove's inner wall, the leakproofness of both junctions of improvement that can step forward through square sealing ring and square seal groove.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the whole of the present invention;
fig. 3 is a schematic view of the structure of part a in fig. 2 according to the present invention.
In the figure: 1. a solid phase extraction device body; 2. a cover plate; 3. extracting a pipeline; 4. a sample bottle holder; 5. an annular receiving groove; 6. an internal thread through opening; 7. a screw; 8. rotating the handle; 9. a rectangular sealing strip; 10. a T-shaped groove; 11. a T-shaped head; 12. a rectangular sealing ring; 13. a square sealing groove; 14. and (4) a square sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The utility model provides a solid phase extraction device body 1 (the model is KT-F240), screw rod 7 (the model is SZ00A 012-1) and extraction pipeline 3 (the model is lh-286-v) can obtain from market purchase or private customization.
Referring to fig. 1 to 3, the present invention provides an embodiment of: the utility model provides an accurate control solid phase extraction device, including solid phase extraction device body 1, the top of solid phase extraction device body 1 is equipped with apron 2, four end angles of apron 2 surface all are equipped with an internal thread opening 6, the other end of four internal thread openings 6 extends to the same annular that is located on apron 2 inner wall and accomodates groove 5, the inside of internal thread opening 6 is equipped with screw rod 7, the fixed rotatory handle 8 that is equipped with of one end of screw rod 7, the other end of screw rod 7 is fixed and is equipped with T shape head 11, the outside of T shape head 11 is equipped with T nature groove 10, the shape of T nature groove 10 is T shape, the shape of T shape head 11 also is T shape, be connected through roller bearing between T nature groove 10 and the T shape head 11, T nature groove 10 is located the surface that partly is located the inside rectangular seal strip 9 of annular of accomodating the groove 5, the outside of rectangular seal strip 9 is equipped with rectangular seal ring 12 that is located the outer surface of solid phase extraction device body 1, the lower terminal surface of apron 2 is fixed and is equipped with square seal ring 14, the outside of square seal ring 14 is equipped with square seal ring and is located the square seal groove 13 that is located the up end of apron 2.
Furthermore, the sample bottle fixer 4 is arranged on the upper end face of the cover plate 2, the sample bottle fixer 4 penetrates through the cover plate 2, and the sample bottle can be fixed through the sample bottle fixer 4.
Further, one side fixed mounting of solid phase extraction device body 1 surface has extraction pipeline 3, communicates with each other between the inside of extraction pipeline 3 and solid phase extraction device body 1, can connect the gas extractor through extraction pipeline 3.
Further, the outer surface of the screw 7 is provided with external threads, the inner wall of the internal thread through opening 6 is provided with internal threads, the external threads of the screw 7 correspond to the internal threads of the internal thread through opening 6, and the screw 7 can move inside the internal thread through opening 6.
Further, the shape of the rectangular sealing strip 9 corresponds to that of the rectangular sealing ring 12, the outer surface of the rectangular sealing strip 9 is closely attached to the inner wall of the rectangular sealing ring 12, and the sealing performance of the joint of the solid-phase extraction device body 1 and the cover plate 2 can be effectively improved through the rectangular sealing strip 9 and the rectangular sealing ring 12.
Further, the square sealing ring 14 and the cover plate 2 are integrally formed, the outer surface of the square sealing ring 14 is closely attached to the inner wall of the square sealing groove 13, and the sealing performance of the joint of the solid phase extraction device body 1 and the cover plate 2 can be further improved through the square sealing ring 14 and the square sealing groove 13.
The working principle is as follows: when in use, four end corners of the outer surface of the cover plate 2 are provided with an internal thread through hole 6, the other ends of the four internal thread through holes 6 extend to the inner wall of the same annular accommodating groove 5 positioned on the inner wall of the cover plate 2, a screw 7 is arranged inside the internal thread through hole 6, one end of the screw 7 is connected with a rectangular sealing strip 9 positioned inside a rectangular sealing ring 12 on the outer surface of the solid phase extraction device body 1 through a roller bearing, the outer surface of the rectangular sealing strip 9 is closely attached to the inner wall of the rectangular sealing ring 12, the sealing of the joint of the solid phase extraction device body 1 and the cover plate 2 can be effectively ensured through the four rectangular sealing strips 9 and the rectangular sealing ring 12, and when the rectangular sealing strip 9 connected with the cover plate 2 is fixed inside the rectangular sealing ring 12, the cover plate 2 can be fixed on the upper end surface of the solid phase extraction device body 1, the cover plate 2 can be effectively prevented from falling off under the external interference, when the cover plate 2 needs to be detached to clean the interior of the solid phase extraction device body 1, the rotary handle 8 fixedly connected with the screw 7 is held, then the rotary handle 8 is rotated, the screw 7 can also rotate along with the rotary handle 8 in the rotating process, the screw 7 rotating through threads can move in the internal thread through opening 6, the rectangular sealing strips 9 connected with the screw 7 through the roller bearings can only move along with the screw 7 in the rotating and moving process without rotating, when the four rectangular sealing strips 9 are completely separated from the interior of the rectangular sealing ring 12, the fixation is all released, and through the design, the solid phase extraction device body 1 can be effectively prevented from having gas entering the interior of the solid phase extraction device body 1 from the connection position between the two in the using process, thereby affecting the detection structure of the device;
the fixed square sealing ring 14 that is equipped with of lower terminal surface of apron 2, and the outside of square sealing ring 14 is equipped with the square seal groove 13 that is located the solid phase extraction device body 1 up end to square sealing ring 14's surface and square seal groove 13's inner wall laminate closely, through square sealing ring 14 and square seal groove 13 can be further the leakproofness of improvement both junctions, after the equipment is whole to be assembled and is accomplished, connect the equipment that corresponds and can use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. An accurate control solid phase extraction device comprises a solid phase extraction device body (1), the method is characterized in that: a cover plate (2) is arranged above the solid phase extraction device body (1), four end corners of the outer surface of the cover plate (2) are respectively provided with an internal thread through hole (6), the other ends of the four internal thread through holes (6) extend to the same annular accommodating groove (5) positioned on the inner wall of the cover plate (2), a screw rod (7) is arranged inside the internal thread through hole (6), one end of the screw rod (7) is fixedly provided with a rotating handle (8), the other end of the screw rod (7) is fixedly provided with a T-shaped head (11), a T-shaped groove (10) is arranged on the outer side of the T-shaped head (11), the T-shaped groove (10) is T-shaped, the T-shaped head (11) is also T-shaped, the T-shaped groove (10) is connected with the T-shaped head (11) through a roller bearing, the T-shaped groove (10) is positioned on the outer surface of a part of the rectangular sealing strip (9) positioned inside the annular receiving groove (5), the outer side of the rectangular sealing strip (9) is provided with a rectangular sealing ring (12) positioned on the outer surface of the solid phase extraction device body (1), a square sealing ring (14) is fixedly arranged on the lower end surface of the cover plate (2), the outer side of the square sealing ring (14) is provided with a square sealing groove (13) which is positioned on the upper end surface of the cover plate (2).
2. The apparatus of claim 1, wherein the apparatus further comprises: sample bottle holders (4) are arranged on the upper end face of the cover plate (2) in a spreading mode, and the sample bottle holders (4) penetrate through the cover plate (2).
3. A precision controlled solid phase extraction apparatus as claimed in claim 1 wherein: one side fixed mounting of solid phase extraction device body (1) surface has extraction pipeline (3), communicate with each other between the inside of extraction pipeline (3) and solid phase extraction device body (1).
4. A precision controlled solid phase extraction apparatus as claimed in claim 1 wherein: the surface of screw rod (7) is equipped with the external screw thread all over, it is equipped with the internal thread to all over on the inner wall of internal thread opening (6), the external screw thread of screw rod (7) corresponds each other with the internal thread of internal thread opening (6).
5. A precision controlled solid phase extraction apparatus as claimed in claim 1 wherein: the shape of the rectangular sealing strip (9) corresponds to that of the rectangular sealing ring (12), and the outer surface of the rectangular sealing strip (9) is closely attached to the inner wall of the rectangular sealing ring (12).
6. A precision controlled solid phase extraction apparatus as claimed in claim 1 wherein: the square sealing ring (14) and the cover plate (2) are integrally manufactured, and the outer surface of the square sealing ring (14) is closely attached to the inner wall of the square sealing groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220829725.1U CN218046592U (en) | 2022-04-12 | 2022-04-12 | Accurate control solid phase extraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220829725.1U CN218046592U (en) | 2022-04-12 | 2022-04-12 | Accurate control solid phase extraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218046592U true CN218046592U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220829725.1U Active CN218046592U (en) | 2022-04-12 | 2022-04-12 | Accurate control solid phase extraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218046592U (en) |
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2022
- 2022-04-12 CN CN202220829725.1U patent/CN218046592U/en active Active
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